annotate src/share/vm/classfile/javaClasses.cpp @ 21559:be896a1983c0

recast all Graal native code as JVMCI code (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 May 2015 15:36:48 +0200
parents 7848fc12602b
children
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1 /*
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "classfile/altHashing.hpp"
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27 #include "classfile/javaClasses.hpp"
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28 #include "classfile/symbolTable.hpp"
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29 #include "classfile/vmSymbols.hpp"
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30 #include "code/debugInfo.hpp"
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31 #include "code/pcDesc.hpp"
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32 #include "compiler/compilerOracle.hpp"
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33 #include "interpreter/interpreter.hpp"
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34 #include "memory/oopFactory.hpp"
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35 #include "memory/resourceArea.hpp"
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36 #include "memory/universe.inline.hpp"
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37 #include "oops/fieldStreams.hpp"
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38 #include "oops/instanceKlass.hpp"
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39 #include "oops/instanceMirrorKlass.hpp"
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40 #include "oops/klass.hpp"
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41 #include "oops/method.hpp"
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42 #include "oops/symbol.hpp"
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43 #include "oops/typeArrayOop.hpp"
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44 #include "prims/jvmtiRedefineClassesTrace.hpp"
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45 #include "runtime/fieldDescriptor.hpp"
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46 #include "runtime/handles.inline.hpp"
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47 #include "runtime/interfaceSupport.hpp"
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48 #include "runtime/java.hpp"
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49 #include "runtime/javaCalls.hpp"
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50 #include "runtime/safepoint.hpp"
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51 #include "runtime/thread.inline.hpp"
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52 #include "runtime/vframe.hpp"
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53 #include "utilities/preserveException.hpp"
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54
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55 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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56
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57 #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \
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58 klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum);
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59
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60 #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \
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61 { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java },
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62
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63 InjectedField JavaClasses::_injected_fields[] = {
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64 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD)
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65 };
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66
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67 int JavaClasses::compute_injected_offset(InjectedFieldID id) {
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68 return _injected_fields[id].compute_offset();
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69 }
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71
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72 InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) {
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73 *field_count = 0;
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74
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75 vmSymbols::SID sid = vmSymbols::find_sid(class_name);
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76 if (sid == vmSymbols::NO_SID) {
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77 // Only well known classes can inject fields
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78 return NULL;
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79 }
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80
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81 int count = 0;
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82 int start = -1;
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83
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84 #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \
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85 if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \
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86 count++; \
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87 if (start == -1) start = klass##_##name##_enum; \
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88 }
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89 ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD);
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90 #undef LOOKUP_INJECTED_FIELD
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91
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92 if (start != -1) {
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93 *field_count = count;
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94 return _injected_fields + start;
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95 }
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96 return NULL;
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97 }
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98
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99
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100 static bool find_field(InstanceKlass* ik,
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101 Symbol* name_symbol, Symbol* signature_symbol,
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102 fieldDescriptor* fd,
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103 bool allow_super = false) {
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104 if (allow_super)
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105 return ik->find_field(name_symbol, signature_symbol, fd) != NULL;
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106 else
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107 return ik->find_local_field(name_symbol, signature_symbol, fd);
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108 }
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109
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110 // Helpful routine for computing field offsets at run time rather than hardcoding them
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111 static void
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112 compute_offset(int &dest_offset,
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113 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol,
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114 bool allow_super = false) {
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115 fieldDescriptor fd;
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116 InstanceKlass* ik = InstanceKlass::cast(klass_oop);
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117 if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) {
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118 ResourceMark rm;
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119 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string());
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120 #ifndef PRODUCT
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121 klass_oop->print();
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122 tty->print_cr("all fields:");
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123 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
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124 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int());
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125 }
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126 #endif //PRODUCT
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127 fatal("Invalid layout of preloaded class");
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128 }
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129 dest_offset = fd.offset();
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130 }
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131
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132 // Same as above but for "optional" offsets that might not be present in certain JDK versions
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133 static void
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134 compute_optional_offset(int& dest_offset,
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135 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol,
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136 bool allow_super = false) {
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137 fieldDescriptor fd;
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138 InstanceKlass* ik = InstanceKlass::cast(klass_oop);
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139 if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) {
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140 dest_offset = fd.offset();
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141 }
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142 }
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143
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144
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145 int java_lang_String::value_offset = 0;
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146 int java_lang_String::offset_offset = 0;
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147 int java_lang_String::count_offset = 0;
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148 int java_lang_String::hash_offset = 0;
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149
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150 bool java_lang_String::initialized = false;
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151
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152 void java_lang_String::compute_offsets() {
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153 assert(!initialized, "offsets should be initialized only once");
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154
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155 Klass* k = SystemDictionary::String_klass();
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156 compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature());
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157 compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature());
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158 compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature());
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159 compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature());
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160
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161 initialized = true;
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162 }
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163
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164 Handle java_lang_String::basic_create(int length, TRAPS) {
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165 assert(initialized, "Must be initialized");
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166 // Create the String object first, so there's a chance that the String
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167 // and the char array it points to end up in the same cache line.
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168 oop obj;
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169 obj = InstanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH);
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170
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171 // Create the char array. The String object must be handlized here
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172 // because GC can happen as a result of the allocation attempt.
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173 Handle h_obj(THREAD, obj);
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174 typeArrayOop buffer;
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175 buffer = oopFactory::new_charArray(length, CHECK_NH);
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176
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177 // Point the String at the char array
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178 obj = h_obj();
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179 set_value(obj, buffer);
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180 // No need to zero the offset, allocation zero'ed the entire String object
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181 assert(offset(obj) == 0, "initial String offset should be zero");
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182 //set_offset(obj, 0);
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183 set_count(obj, length);
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184
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185 return h_obj;
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186 }
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187
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188 Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) {
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189 Handle h_obj = basic_create(length, CHECK_NH);
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190 typeArrayOop buffer = value(h_obj());
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191 for (int index = 0; index < length; index++) {
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192 buffer->char_at_put(index, unicode[index]);
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193 }
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194 return h_obj;
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195 }
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196
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197 oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) {
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198 Handle h_obj = create_from_unicode(unicode, length, CHECK_0);
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199 return h_obj();
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200 }
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201
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202 Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) {
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203 if (utf8_str == NULL) {
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204 return Handle();
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205 }
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206 int length = UTF8::unicode_length(utf8_str);
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207 Handle h_obj = basic_create(length, CHECK_NH);
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208 if (length > 0) {
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209 UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length);
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210 }
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211 return h_obj;
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212 }
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213
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214 oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) {
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215 Handle h_obj = create_from_str(utf8_str, CHECK_0);
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216 return h_obj();
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217 }
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218
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219 Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) {
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220 int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length());
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221 Handle h_obj = basic_create(length, CHECK_NH);
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222 if (length > 0) {
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223 UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length);
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224 }
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225 return h_obj;
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226 }
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227
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228 // Converts a C string to a Java String based on current encoding
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229 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
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230 assert(str != NULL, "bad arguments");
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231
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232 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
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233 static to_java_string_fn_t _to_java_string_fn = NULL;
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234
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235 if (_to_java_string_fn == NULL) {
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236 void *lib_handle = os::native_java_library();
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237 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform"));
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238 if (_to_java_string_fn == NULL) {
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239 fatal("NewStringPlatform missing");
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240 }
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241 }
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242
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243 jstring js = NULL;
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244 { JavaThread* thread = (JavaThread*)THREAD;
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245 assert(thread->is_Java_thread(), "must be java thread");
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246 HandleMark hm(thread);
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247 ThreadToNativeFromVM ttn(thread);
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248 js = (_to_java_string_fn)(thread->jni_environment(), str);
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249 }
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250 return Handle(THREAD, JNIHandles::resolve(js));
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251 }
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252
22
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253 // Converts a Java String to a native C string that can be used for
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254 // native OS calls.
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255 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
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256
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257 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
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258 static to_platform_string_fn_t _to_platform_string_fn = NULL;
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259
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260 if (_to_platform_string_fn == NULL) {
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261 void *lib_handle = os::native_java_library();
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262 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars"));
22
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263 if (_to_platform_string_fn == NULL) {
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264 fatal("GetStringPlatformChars missing");
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265 }
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266 }
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267
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268 char *native_platform_string;
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269 { JavaThread* thread = (JavaThread*)THREAD;
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270 assert(thread->is_Java_thread(), "must be java thread");
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271 JNIEnv *env = thread->jni_environment();
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272 jstring js = (jstring) JNIHandles::make_local(env, java_string());
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273 bool is_copy;
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274 HandleMark hm(thread);
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275 ThreadToNativeFromVM ttn(thread);
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276 native_platform_string = (_to_platform_string_fn)(env, js, &is_copy);
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277 assert(is_copy == JNI_TRUE, "is_copy value changed");
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278 JNIHandles::destroy_local(js);
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279 }
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280 return native_platform_string;
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281 }
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282
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283 Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) {
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284 oop obj = java_string();
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285 // Typical usage is to convert all '/' to '.' in string.
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286 typeArrayOop value = java_lang_String::value(obj);
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287 int offset = java_lang_String::offset(obj);
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288 int length = java_lang_String::length(obj);
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289
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290 // First check if any from_char exist
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291 int index; // Declared outside, used later
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292 for (index = 0; index < length; index++) {
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293 if (value->char_at(index + offset) == from_char) {
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294 break;
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295 }
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296 }
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297 if (index == length) {
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298 // No from_char, so do not copy.
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299 return java_string;
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300 }
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301
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302 // Create new UNICODE buffer. Must handlize value because GC
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303 // may happen during String and char array creation.
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304 typeArrayHandle h_value(THREAD, value);
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305 Handle string = basic_create(length, CHECK_NH);
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306
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307 typeArrayOop from_buffer = h_value();
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308 typeArrayOop to_buffer = java_lang_String::value(string());
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309
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310 // Copy contents
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311 for (index = 0; index < length; index++) {
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312 jchar c = from_buffer->char_at(index + offset);
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313 if (c == from_char) {
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314 c = to_char;
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315 }
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316 to_buffer->char_at_put(index, c);
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317 }
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318 return string;
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319 }
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320
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321 jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) {
0
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322 typeArrayOop value = java_lang_String::value(java_string);
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323 int offset = java_lang_String::offset(java_string);
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324 length = java_lang_String::length(java_string);
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325
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326 jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length);
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327 if (result != NULL) {
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328 for (int index = 0; index < length; index++) {
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329 result[index] = value->char_at(index + offset);
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330 }
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331 } else {
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332 THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string");
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333 }
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334 return result;
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335 }
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336
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337 unsigned int java_lang_String::hash_code(oop java_string) {
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338 int length = java_lang_String::length(java_string);
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339 // Zero length string will hash to zero with String.hashCode() function.
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340 if (length == 0) return 0;
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341
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342 typeArrayOop value = java_lang_String::value(java_string);
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343 int offset = java_lang_String::offset(java_string);
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344 return java_lang_String::hash_code(value->char_at_addr(offset), length);
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345 }
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346
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
347 char* java_lang_String::as_quoted_ascii(oop java_string) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
348 typeArrayOop value = java_lang_String::value(java_string);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
349 int offset = java_lang_String::offset(java_string);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
350 int length = java_lang_String::length(java_string);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
351
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
352 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
353 if (base == NULL) return NULL;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
354
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
355 int result_length = UNICODE::quoted_ascii_length(base, length) + 1;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
356 char* result = NEW_RESOURCE_ARRAY(char, result_length);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
357 UNICODE::as_quoted_ascii(base, length, result, result_length);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
358 assert(result_length >= length + 1, "must not be shorter");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
359 assert(result_length == (int)strlen(result) + 1, "must match");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
360 return result;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
361 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
362
6162
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
363 unsigned int java_lang_String::hash_string(oop java_string) {
2418
352622fd140a 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 2416
diff changeset
364 int length = java_lang_String::length(java_string);
6162
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
365 // Zero length string doesn't hash necessarily hash to zero.
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
366 if (length == 0) {
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
367 return StringTable::hash_string(NULL, 0);
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
368 }
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
369
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
370 typeArrayOop value = java_lang_String::value(java_string);
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
371 int offset = java_lang_String::offset(java_string);
e9140bf80b4a 7158800: Improve storage of symbol tables
coleenp
parents: 6057
diff changeset
372 return StringTable::hash_string(value->char_at_addr(offset), length);
2418
352622fd140a 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 2416
diff changeset
373 }
352622fd140a 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents: 2416
diff changeset
374
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
375 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
376 oop obj = java_string();
a61af66fc99e Initial load
duke
parents:
diff changeset
377 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
378 int offset = java_lang_String::offset(obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
379 int length = java_lang_String::length(obj);
949
489a4f8dcd0f 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 931
diff changeset
380 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
381 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
382 return sym;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
383 }
a61af66fc99e Initial load
duke
parents:
diff changeset
384
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
385 Symbol* java_lang_String::as_symbol_or_null(oop java_string) {
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
386 typeArrayOop value = java_lang_String::value(java_string);
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
387 int offset = java_lang_String::offset(java_string);
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
388 int length = java_lang_String::length(java_string);
949
489a4f8dcd0f 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents: 931
diff changeset
389 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
390 return SymbolTable::probe_unicode(base, length);
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
391 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
392
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
393
0
a61af66fc99e Initial load
duke
parents:
diff changeset
394 int java_lang_String::utf8_length(oop java_string) {
a61af66fc99e Initial load
duke
parents:
diff changeset
395 typeArrayOop value = java_lang_String::value(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
396 int offset = java_lang_String::offset(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
397 int length = java_lang_String::length(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
398 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
399 return UNICODE::utf8_length(position, length);
a61af66fc99e Initial load
duke
parents:
diff changeset
400 }
a61af66fc99e Initial load
duke
parents:
diff changeset
401
a61af66fc99e Initial load
duke
parents:
diff changeset
402 char* java_lang_String::as_utf8_string(oop java_string) {
a61af66fc99e Initial load
duke
parents:
diff changeset
403 typeArrayOop value = java_lang_String::value(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
404 int offset = java_lang_String::offset(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
405 int length = java_lang_String::length(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
406 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
407 return UNICODE::as_utf8(position, length);
a61af66fc99e Initial load
duke
parents:
diff changeset
408 }
a61af66fc99e Initial load
duke
parents:
diff changeset
409
1989
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
410 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) {
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
411 typeArrayOop value = java_lang_String::value(java_string);
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
412 int offset = java_lang_String::offset(java_string);
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
413 int length = java_lang_String::length(java_string);
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
414 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
415 return UNICODE::as_utf8(position, length, buf, buflen);
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
416 }
017cd8bce8a8 6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents: 1980
diff changeset
417
0
a61af66fc99e Initial load
duke
parents:
diff changeset
418 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
a61af66fc99e Initial load
duke
parents:
diff changeset
419 typeArrayOop value = java_lang_String::value(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
420 int offset = java_lang_String::offset(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
421 int length = java_lang_String::length(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
422 assert(start + len <= length, "just checking");
a61af66fc99e Initial load
duke
parents:
diff changeset
423 jchar* position = value->char_at_addr(offset + start);
a61af66fc99e Initial load
duke
parents:
diff changeset
424 return UNICODE::as_utf8(position, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
425 }
a61af66fc99e Initial load
duke
parents:
diff changeset
426
a61af66fc99e Initial load
duke
parents:
diff changeset
427 bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
6867
bdb5f8c9978b 7199068: NPG: SharedSkipVerify is meaningless
coleenp
parents: 6831
diff changeset
428 assert(java_string->klass() == SystemDictionary::String_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
429 "must be java_string");
a61af66fc99e Initial load
duke
parents:
diff changeset
430 typeArrayOop value = java_lang_String::value(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
431 int offset = java_lang_String::offset(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
432 int length = java_lang_String::length(java_string);
a61af66fc99e Initial load
duke
parents:
diff changeset
433 if (length != len) {
a61af66fc99e Initial load
duke
parents:
diff changeset
434 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
435 }
a61af66fc99e Initial load
duke
parents:
diff changeset
436 for (int i = 0; i < len; i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
437 if (value->char_at(i + offset) != chars[i]) {
a61af66fc99e Initial load
duke
parents:
diff changeset
438 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
439 }
a61af66fc99e Initial load
duke
parents:
diff changeset
440 }
a61af66fc99e Initial load
duke
parents:
diff changeset
441 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
442 }
a61af66fc99e Initial load
duke
parents:
diff changeset
443
12275
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
444 bool java_lang_String::equals(oop str1, oop str2) {
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
445 assert(str1->klass() == SystemDictionary::String_klass(),
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
446 "must be java String");
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
447 assert(str2->klass() == SystemDictionary::String_klass(),
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
448 "must be java String");
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
449 typeArrayOop value1 = java_lang_String::value(str1);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
450 int offset1 = java_lang_String::offset(str1);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
451 int length1 = java_lang_String::length(str1);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
452 typeArrayOop value2 = java_lang_String::value(str2);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
453 int offset2 = java_lang_String::offset(str2);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
454 int length2 = java_lang_String::length(str2);
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
455
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
456 if (length1 != length2) {
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
457 return false;
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
458 }
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
459 for (int i = 0; i < length1; i++) {
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
460 if (value1->char_at(i + offset1) != value2->char_at(i + offset2)) {
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
461 return false;
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
462 }
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
463 }
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
464 return true;
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
465 }
63147986a428 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 12010
diff changeset
466
20261
27188ae8bbbb 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 17937
diff changeset
467 void java_lang_String::print(oop java_string, outputStream* st) {
27188ae8bbbb 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 17937
diff changeset
468 assert(java_string->klass() == SystemDictionary::String_klass(), "must be java_string");
27188ae8bbbb 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 17937
diff changeset
469 typeArrayOop value = java_lang_String::value(java_string);
27188ae8bbbb 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 17937
diff changeset
470 int offset = java_lang_String::offset(java_string);
27188ae8bbbb 8035648: Don't use Handle in java_lang_String::print
stefank
parents: 17937
diff changeset
471 int length = java_lang_String::length(java_string);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
472
a61af66fc99e Initial load
duke
parents:
diff changeset
473 int end = MIN2(length, 100);
a61af66fc99e Initial load
duke
parents:
diff changeset
474 if (value == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
475 // This can happen if, e.g., printing a String
a61af66fc99e Initial load
duke
parents:
diff changeset
476 // object before its initializer has been called
a61af66fc99e Initial load
duke
parents:
diff changeset
477 st->print_cr("NULL");
a61af66fc99e Initial load
duke
parents:
diff changeset
478 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
479 st->print("\"");
a61af66fc99e Initial load
duke
parents:
diff changeset
480 for (int index = 0; index < length; index++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
481 st->print("%c", value->char_at(index + offset));
a61af66fc99e Initial load
duke
parents:
diff changeset
482 }
a61af66fc99e Initial load
duke
parents:
diff changeset
483 st->print("\"");
a61af66fc99e Initial load
duke
parents:
diff changeset
484 }
a61af66fc99e Initial load
duke
parents:
diff changeset
485 }
a61af66fc99e Initial load
duke
parents:
diff changeset
486
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
487
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
488 static void initialize_static_field(fieldDescriptor* fd, Handle mirror, TRAPS) {
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
489 assert(mirror.not_null() && fd->is_static(), "just checking");
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
490 if (fd->has_initial_value()) {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
491 BasicType t = fd->field_type();
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
492 switch (t) {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
493 case T_BYTE:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
494 mirror()->byte_field_put(fd->offset(), fd->int_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
495 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
496 case T_BOOLEAN:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
497 mirror()->bool_field_put(fd->offset(), fd->int_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
498 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
499 case T_CHAR:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
500 mirror()->char_field_put(fd->offset(), fd->int_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
501 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
502 case T_SHORT:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
503 mirror()->short_field_put(fd->offset(), fd->int_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
504 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
505 case T_INT:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
506 mirror()->int_field_put(fd->offset(), fd->int_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
507 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
508 case T_FLOAT:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
509 mirror()->float_field_put(fd->offset(), fd->float_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
510 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
511 case T_DOUBLE:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
512 mirror()->double_field_put(fd->offset(), fd->double_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
513 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
514 case T_LONG:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
515 mirror()->long_field_put(fd->offset(), fd->long_initial_value());
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
516 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
517 case T_OBJECT:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
518 {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
519 #ifdef ASSERT
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
520 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
521 assert(fd->signature() == sym, "just checking");
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
522 #endif
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
523 oop string = fd->string_initial_value(CHECK);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
524 mirror()->obj_field_put(fd->offset(), string);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
525 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
526 break;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
527 default:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
528 THROW_MSG(vmSymbols::java_lang_ClassFormatError(),
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
529 "Illegal ConstantValue attribute in class file");
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
530 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
531 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
532 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
533
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
534
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
535 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) {
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
536 assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already");
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
537
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
538 // If the offset was read from the shared archive, it was fixed up already
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
539 if (!k->is_shared()) {
10343
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
540 if (k->oop_is_instance()) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
541 // During bootstrap, java.lang.Class wasn't loaded so static field
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
542 // offsets were computed without the size added it. Go back and
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
543 // update all the static field offsets to included the size.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
544 for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
545 if (fs.access_flags().is_static()) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
546 int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields();
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
547 fs.set_offset(real_offset);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
548 }
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
549 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
550 }
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
551 }
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
552 create_mirror(k, Handle(NULL), Handle(NULL), CHECK);
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
553 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
554
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
555 void java_lang_Class::initialize_mirror_fields(KlassHandle k,
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
556 Handle mirror,
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
557 Handle protection_domain,
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
558 TRAPS) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
559 // Allocate a simple java object for a lock.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
560 // This needs to be a java object because during class initialization
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
561 // it can be held across a java call.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
562 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
563 set_init_lock(mirror(), r);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
564
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
565 // Set protection domain also
21559
be896a1983c0 recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 20804
diff changeset
566 #ifdef JVMCI
be896a1983c0 recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 20804
diff changeset
567 if (k->class_loader() == SystemDictionary::jvmci_loader()) {
18041
52b4284cb496 Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16778 17937
diff changeset
568 // Same protection domain as for classes loaded by the boot loader
52b4284cb496 Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16778 17937
diff changeset
569 protection_domain = Handle();
52b4284cb496 Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16778 17937
diff changeset
570 }
52b4284cb496 Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16778 17937
diff changeset
571 #endif
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
572 set_protection_domain(mirror(), protection_domain());
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
573
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
574 // Initialize static fields
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
575 InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, mirror, CHECK);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
576 }
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
577
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
578 void java_lang_Class::create_mirror(KlassHandle k, Handle class_loader,
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
579 Handle protection_domain, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
580 assert(k->java_mirror() == NULL, "should only assign mirror once");
a61af66fc99e Initial load
duke
parents:
diff changeset
581 // Use this moment of initialization to cache modifier_flags also,
a61af66fc99e Initial load
duke
parents:
diff changeset
582 // to support Class.getModifiers(). Instance classes recalculate
a61af66fc99e Initial load
duke
parents:
diff changeset
583 // the cached flags after the class file is parsed, but before the
a61af66fc99e Initial load
duke
parents:
diff changeset
584 // class is put into the system dictionary.
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
585 int computed_modifiers = k->compute_modifier_flags(CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
586 k->set_modifier_flags(computed_modifiers);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
587 // Class_klass has to be loaded because it is used to allocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
588 // the mirror.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
589 if (SystemDictionary::Class_klass_loaded()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
590 // Allocate mirror (java.lang.Class instance)
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
591 Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
592
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
593 // Setup indirection from mirror->klass
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
594 if (!k.is_null()) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
595 java_lang_Class::set_klass(mirror(), k());
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
596 }
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
597
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
598 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
599 assert(oop_size(mirror()) == mk->instance_size(k), "should have been set");
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
600
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
601 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror()));
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
602
0
a61af66fc99e Initial load
duke
parents:
diff changeset
603 // It might also have a component mirror. This mirror must already exist.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
604 if (k->oop_is_array()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
605 Handle comp_mirror;
a61af66fc99e Initial load
duke
parents:
diff changeset
606 if (k->oop_is_typeArray()) {
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
607 BasicType type = TypeArrayKlass::cast(k())->element_type();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
608 comp_mirror = Universe::java_mirror(type);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
609 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
610 assert(k->oop_is_objArray(), "Must be");
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
611 Klass* element_klass = ObjArrayKlass::cast(k())->element_klass();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
612 assert(element_klass != NULL, "Must have an element klass");
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
613 comp_mirror = element_klass->java_mirror();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
614 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
615 assert(comp_mirror.not_null(), "must have a mirror");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
616
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
617 // Two-way link between the array klass and its component mirror:
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
618 ArrayKlass::cast(k())->set_component_mirror(comp_mirror());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
619 set_array_klass(comp_mirror(), k());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
620 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
621 assert(k->oop_is_instance(), "Must be");
10343
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
622
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
623 initialize_mirror_fields(k, mirror, protection_domain, THREAD);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
624 if (HAS_PENDING_EXCEPTION) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
625 // If any of the fields throws an exception like OOM remove the klass field
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
626 // from the mirror so GC doesn't follow it after the klass has been deallocated.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
627 // This mirror looks like a primitive type, which logically it is because it
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
628 // it represents no class.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
629 java_lang_Class::set_klass(mirror(), NULL);
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
630 return;
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
631 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
632 }
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
633
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
634 // set the classLoader field in the java_lang_Class instance
20512
7d68a5b1069d 8058927: ATG throws ClassNotFoundException
coleenp
parents: 20415
diff changeset
635 assert(class_loader() == k->class_loader(), "should be same");
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
636 set_class_loader(mirror(), class_loader());
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
637
17883
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
638 // Setup indirection from klass->mirror last
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
639 // after any exceptions can happen during allocations.
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
640 if (!k.is_null()) {
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
641 k->set_java_mirror(mirror());
9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents: 12810
diff changeset
642 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
643 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
644 if (fixup_mirror_list() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
645 GrowableArray<Klass*>* list =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
646 new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
647 set_fixup_mirror_list(list);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
648 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
649 fixup_mirror_list()->push(k());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
650 }
a61af66fc99e Initial load
duke
parents:
diff changeset
651 }
a61af66fc99e Initial load
duke
parents:
diff changeset
652
a61af66fc99e Initial load
duke
parents:
diff changeset
653
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
654 int java_lang_Class::oop_size(oop java_class) {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
655 assert(_oop_size_offset != 0, "must be set");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
656 return java_class->int_field(_oop_size_offset);
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
657 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
658 void java_lang_Class::set_oop_size(oop java_class, int size) {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
659 assert(_oop_size_offset != 0, "must be set");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
660 java_class->int_field_put(_oop_size_offset, size);
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
661 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
662 int java_lang_Class::static_oop_field_count(oop java_class) {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
663 assert(_static_oop_field_count_offset != 0, "must be set");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
664 return java_class->int_field(_static_oop_field_count_offset);
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
665 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
666 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
667 assert(_static_oop_field_count_offset != 0, "must be set");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
668 java_class->int_field_put(_static_oop_field_count_offset, size);
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
669 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
670
10343
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
671 oop java_lang_Class::protection_domain(oop java_class) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
672 assert(_protection_domain_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
673 return java_class->obj_field(_protection_domain_offset);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
674 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
675 void java_lang_Class::set_protection_domain(oop java_class, oop pd) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
676 assert(_protection_domain_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
677 java_class->obj_field_put(_protection_domain_offset, pd);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
678 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
679
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
680 oop java_lang_Class::init_lock(oop java_class) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
681 assert(_init_lock_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
682 return java_class->obj_field(_init_lock_offset);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
683 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
684 void java_lang_Class::set_init_lock(oop java_class, oop init_lock) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
685 assert(_init_lock_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
686 java_class->obj_field_put(_init_lock_offset, init_lock);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
687 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
688
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
689 objArrayOop java_lang_Class::signers(oop java_class) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
690 assert(_signers_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
691 return (objArrayOop)java_class->obj_field(_signers_offset);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
692 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
693 void java_lang_Class::set_signers(oop java_class, objArrayOop signers) {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
694 assert(_signers_offset != 0, "must be set");
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
695 java_class->obj_field_put(_signers_offset, (oop)signers);
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
696 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
697
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
698
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
699 void java_lang_Class::set_class_loader(oop java_class, oop loader) {
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
700 // jdk7 runs Queens in bootstrapping and jdk8-9 has no coordinated pushes yet.
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
701 if (_class_loader_offset != 0) {
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
702 java_class->obj_field_put(_class_loader_offset, loader);
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
703 }
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
704 }
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
705
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
706 oop java_lang_Class::class_loader(oop java_class) {
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
707 assert(_class_loader_offset != 0, "must be set");
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
708 return java_class->obj_field(_class_loader_offset);
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
709 }
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
710
0
a61af66fc99e Initial load
duke
parents:
diff changeset
711 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
712 // This should be improved by adding a field at the Java level or by
a61af66fc99e Initial load
duke
parents:
diff changeset
713 // introducing a new VM klass (see comment in ClassFileParser)
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
714 oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
715 if (type != T_VOID) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
716 Klass* aklass = Universe::typeArrayKlassObj(type);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
717 assert(aklass != NULL, "correct bootstrap");
a61af66fc99e Initial load
duke
parents:
diff changeset
718 set_array_klass(java_class, aklass);
a61af66fc99e Initial load
duke
parents:
diff changeset
719 }
4009
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
720 #ifdef ASSERT
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
721 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass());
4009
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
722 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation");
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
723 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
724 return java_class;
a61af66fc99e Initial load
duke
parents:
diff changeset
725 }
a61af66fc99e Initial load
duke
parents:
diff changeset
726
a61af66fc99e Initial load
duke
parents:
diff changeset
727
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
728 Klass* java_lang_Class::as_Klass(oop java_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
729 //%note memory_2
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
730 assert(java_lang_Class::is_instance(java_class), "must be a Class object");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
731 Klass* k = ((Klass*)java_class->metadata_field(_klass_offset));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
732 assert(k == NULL || k->is_klass(), "type check");
a61af66fc99e Initial load
duke
parents:
diff changeset
733 return k;
a61af66fc99e Initial load
duke
parents:
diff changeset
734 }
a61af66fc99e Initial load
duke
parents:
diff changeset
735
a61af66fc99e Initial load
duke
parents:
diff changeset
736
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
737 void java_lang_Class::set_klass(oop java_class, Klass* klass) {
4009
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
738 assert(java_lang_Class::is_instance(java_class), "must be a Class object");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
739 java_class->metadata_field_put(_klass_offset, klass);
4009
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
740 }
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
741
e5928e7dab26 7098528: crash with java -XX:+ExtendedDTraceProbes
never
parents: 3960
diff changeset
742
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
743 void java_lang_Class::print_signature(oop java_class, outputStream* st) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
744 assert(java_lang_Class::is_instance(java_class), "must be a Class object");
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
745 Symbol* name = NULL;
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
746 bool is_instance = false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
747 if (is_primitive(java_class)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
748 name = vmSymbols::type_signature(primitive_type(java_class));
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
749 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
750 Klass* k = as_Klass(java_class);
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
751 is_instance = k->oop_is_instance();
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
752 name = k->name();
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
753 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
754 if (name == NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
755 st->print("<null>");
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
756 return;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
757 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
758 if (is_instance) st->print("L");
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
759 st->write((char*) name->base(), (int) name->utf8_length());
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
760 if (is_instance) st->print(";");
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
761 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
762
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
763 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) {
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
764 assert(java_lang_Class::is_instance(java_class), "must be a Class object");
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
765 Symbol* name;
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
766 if (is_primitive(java_class)) {
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
767 name = vmSymbols::type_signature(primitive_type(java_class));
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
768 // Because this can create a new symbol, the caller has to decrement
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
769 // the refcount, so make adjustment here and below for symbols returned
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
770 // that are not created or incremented due to a successful lookup.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
771 name->increment_refcount();
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
772 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
773 Klass* k = as_Klass(java_class);
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
774 if (!k->oop_is_instance()) {
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
775 name = k->name();
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
776 name->increment_refcount();
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
777 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
778 ResourceMark rm;
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
779 const char* sigstr = k->signature_name();
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
780 int siglen = (int) strlen(sigstr);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
781 if (!intern_if_not_found) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
782 name = SymbolTable::probe(sigstr, siglen);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
783 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
784 name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
785 }
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
786 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
787 }
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
788 return name;
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
789 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
790
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
791
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
792 Klass* java_lang_Class::array_klass(oop java_class) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
793 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
794 assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
795 return k;
a61af66fc99e Initial load
duke
parents:
diff changeset
796 }
a61af66fc99e Initial load
duke
parents:
diff changeset
797
a61af66fc99e Initial load
duke
parents:
diff changeset
798
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
799 void java_lang_Class::set_array_klass(oop java_class, Klass* klass) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
800 assert(klass->is_klass() && klass->oop_is_array(), "should be array klass");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
801 java_class->metadata_field_put(_array_klass_offset, klass);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
802 }
a61af66fc99e Initial load
duke
parents:
diff changeset
803
a61af66fc99e Initial load
duke
parents:
diff changeset
804
a61af66fc99e Initial load
duke
parents:
diff changeset
805 bool java_lang_Class::is_primitive(oop java_class) {
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
806 // should assert:
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
807 //assert(java_lang_Class::is_instance(java_class), "must be a Class object");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
808 bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
809
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
810 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
811 if (is_primitive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
812 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
813 assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()),
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
814 "Should be either the T_VOID primitive or a java primitive");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
815 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
816 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
817
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
818 return is_primitive;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
819 }
a61af66fc99e Initial load
duke
parents:
diff changeset
820
a61af66fc99e Initial load
duke
parents:
diff changeset
821
a61af66fc99e Initial load
duke
parents:
diff changeset
822 BasicType java_lang_Class::primitive_type(oop java_class) {
a61af66fc99e Initial load
duke
parents:
diff changeset
823 assert(java_lang_Class::is_primitive(java_class), "just checking");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
824 Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
825 BasicType type = T_VOID;
a61af66fc99e Initial load
duke
parents:
diff changeset
826 if (ak != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
827 // Note: create_basic_type_mirror above initializes ak to a non-null value.
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
828 type = ArrayKlass::cast(ak)->element_type();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
829 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
830 assert(java_class == Universe::void_mirror(), "only valid non-array primitive");
a61af66fc99e Initial load
duke
parents:
diff changeset
831 }
a61af66fc99e Initial load
duke
parents:
diff changeset
832 assert(Universe::java_mirror(type) == java_class, "must be consistent");
a61af66fc99e Initial load
duke
parents:
diff changeset
833 return type;
a61af66fc99e Initial load
duke
parents:
diff changeset
834 }
a61af66fc99e Initial load
duke
parents:
diff changeset
835
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
836 BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) {
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
837 assert(java_lang_Class::is_instance(java_class), "must be a Class object");
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
838 if (is_primitive(java_class)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
839 if (reference_klass != NULL)
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
840 (*reference_klass) = NULL;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
841 return primitive_type(java_class);
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
842 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
843 if (reference_klass != NULL)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
844 (*reference_klass) = as_Klass(java_class);
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
845 return T_OBJECT;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
846 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
847 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
848
0
a61af66fc99e Initial load
duke
parents:
diff changeset
849
a61af66fc99e Initial load
duke
parents:
diff changeset
850 oop java_lang_Class::primitive_mirror(BasicType t) {
a61af66fc99e Initial load
duke
parents:
diff changeset
851 oop mirror = Universe::java_mirror(t);
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1133
diff changeset
852 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
853 assert(java_lang_Class::is_primitive(mirror), "must be primitive");
a61af66fc99e Initial load
duke
parents:
diff changeset
854 return mirror;
a61af66fc99e Initial load
duke
parents:
diff changeset
855 }
a61af66fc99e Initial load
duke
parents:
diff changeset
856
a61af66fc99e Initial load
duke
parents:
diff changeset
857 bool java_lang_Class::offsets_computed = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
858 int java_lang_Class::classRedefinedCount_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
859
a61af66fc99e Initial load
duke
parents:
diff changeset
860 void java_lang_Class::compute_offsets() {
a61af66fc99e Initial load
duke
parents:
diff changeset
861 assert(!offsets_computed, "offsets should be initialized only once");
a61af66fc99e Initial load
duke
parents:
diff changeset
862 offsets_computed = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
863
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
864 Klass* klass_oop = SystemDictionary::Class_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
865 // The classRedefinedCount field is only present starting in 1.5,
a61af66fc99e Initial load
duke
parents:
diff changeset
866 // so don't go fatal.
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
867 compute_optional_offset(classRedefinedCount_offset,
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
868 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
869
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
870 // Needs to be optional because the old build runs Queens during bootstrapping
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
871 // and jdk8-9 doesn't have coordinated pushes yet.
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
872 compute_optional_offset(_class_loader_offset,
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
873 klass_oop, vmSymbols::classLoader_name(),
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
874 vmSymbols::classloader_signature());
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
875
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
876 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
877 }
a61af66fc99e Initial load
duke
parents:
diff changeset
878
a61af66fc99e Initial load
duke
parents:
diff changeset
879 int java_lang_Class::classRedefinedCount(oop the_class_mirror) {
a61af66fc99e Initial load
duke
parents:
diff changeset
880 if (!JDK_Version::is_gte_jdk15x_version()
a61af66fc99e Initial load
duke
parents:
diff changeset
881 || classRedefinedCount_offset == -1) {
a61af66fc99e Initial load
duke
parents:
diff changeset
882 // The classRedefinedCount field is only present starting in 1.5.
a61af66fc99e Initial load
duke
parents:
diff changeset
883 // If we don't have an offset for it then just return -1 as a marker.
a61af66fc99e Initial load
duke
parents:
diff changeset
884 return -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
885 }
a61af66fc99e Initial load
duke
parents:
diff changeset
886
a61af66fc99e Initial load
duke
parents:
diff changeset
887 return the_class_mirror->int_field(classRedefinedCount_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
888 }
a61af66fc99e Initial load
duke
parents:
diff changeset
889
a61af66fc99e Initial load
duke
parents:
diff changeset
890 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
891 if (!JDK_Version::is_gte_jdk15x_version()
a61af66fc99e Initial load
duke
parents:
diff changeset
892 || classRedefinedCount_offset == -1) {
a61af66fc99e Initial load
duke
parents:
diff changeset
893 // The classRedefinedCount field is only present starting in 1.5.
a61af66fc99e Initial load
duke
parents:
diff changeset
894 // If we don't have an offset for it then nothing to set.
a61af66fc99e Initial load
duke
parents:
diff changeset
895 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
896 }
a61af66fc99e Initial load
duke
parents:
diff changeset
897
a61af66fc99e Initial load
duke
parents:
diff changeset
898 the_class_mirror->int_field_put(classRedefinedCount_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
899 }
a61af66fc99e Initial load
duke
parents:
diff changeset
900
a61af66fc99e Initial load
duke
parents:
diff changeset
901
a61af66fc99e Initial load
duke
parents:
diff changeset
902 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the
a61af66fc99e Initial load
duke
parents:
diff changeset
903 // platform thread structure, and a eetop offset which was used for thread
a61af66fc99e Initial load
duke
parents:
diff changeset
904 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures
a61af66fc99e Initial load
duke
parents:
diff changeset
905 // merged, so in the HotSpot VM we just use the eetop field for the thread
a61af66fc99e Initial load
duke
parents:
diff changeset
906 // instead of the privateInfo_offset.
a61af66fc99e Initial load
duke
parents:
diff changeset
907 //
a61af66fc99e Initial load
duke
parents:
diff changeset
908 // Note: The stackSize field is only present starting in 1.4.
a61af66fc99e Initial load
duke
parents:
diff changeset
909
a61af66fc99e Initial load
duke
parents:
diff changeset
910 int java_lang_Thread::_name_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
911 int java_lang_Thread::_group_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
912 int java_lang_Thread::_contextClassLoader_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
913 int java_lang_Thread::_inheritedAccessControlContext_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
914 int java_lang_Thread::_priority_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
915 int java_lang_Thread::_eetop_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
916 int java_lang_Thread::_daemon_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
917 int java_lang_Thread::_stillborn_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
918 int java_lang_Thread::_stackSize_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
919 int java_lang_Thread::_tid_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
920 int java_lang_Thread::_thread_status_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
921 int java_lang_Thread::_park_blocker_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
922 int java_lang_Thread::_park_event_offset = 0 ;
a61af66fc99e Initial load
duke
parents:
diff changeset
923
a61af66fc99e Initial load
duke
parents:
diff changeset
924
a61af66fc99e Initial load
duke
parents:
diff changeset
925 void java_lang_Thread::compute_offsets() {
a61af66fc99e Initial load
duke
parents:
diff changeset
926 assert(_group_offset == 0, "offsets should be initialized only once");
a61af66fc99e Initial load
duke
parents:
diff changeset
927
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
928 Klass* k = SystemDictionary::Thread_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
929 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
930 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
931 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
932 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
933 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
934 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
935 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
936 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
937 // The stackSize field is only present starting in 1.4, so don't go fatal.
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
938 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
939 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal.
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
940 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
941 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
942 // The parkBlocker field is only present starting in 1.6, so don't go fatal.
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
943 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
944 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
945 vmSymbols::long_signature());
a61af66fc99e Initial load
duke
parents:
diff changeset
946 }
a61af66fc99e Initial load
duke
parents:
diff changeset
947
a61af66fc99e Initial load
duke
parents:
diff changeset
948
a61af66fc99e Initial load
duke
parents:
diff changeset
949 JavaThread* java_lang_Thread::thread(oop java_thread) {
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
950 return (JavaThread*)java_thread->address_field(_eetop_offset);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
951 }
a61af66fc99e Initial load
duke
parents:
diff changeset
952
a61af66fc99e Initial load
duke
parents:
diff changeset
953
a61af66fc99e Initial load
duke
parents:
diff changeset
954 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) {
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
955 java_thread->address_field_put(_eetop_offset, (address)thread);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
956 }
a61af66fc99e Initial load
duke
parents:
diff changeset
957
a61af66fc99e Initial load
duke
parents:
diff changeset
958
a61af66fc99e Initial load
duke
parents:
diff changeset
959 typeArrayOop java_lang_Thread::name(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
960 oop name = java_thread->obj_field(_name_offset);
6831
d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 6735
diff changeset
961 assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
962 return typeArrayOop(name);
a61af66fc99e Initial load
duke
parents:
diff changeset
963 }
a61af66fc99e Initial load
duke
parents:
diff changeset
964
a61af66fc99e Initial load
duke
parents:
diff changeset
965
a61af66fc99e Initial load
duke
parents:
diff changeset
966 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) {
a61af66fc99e Initial load
duke
parents:
diff changeset
967 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL");
a61af66fc99e Initial load
duke
parents:
diff changeset
968 java_thread->obj_field_put(_name_offset, name);
a61af66fc99e Initial load
duke
parents:
diff changeset
969 }
a61af66fc99e Initial load
duke
parents:
diff changeset
970
a61af66fc99e Initial load
duke
parents:
diff changeset
971
a61af66fc99e Initial load
duke
parents:
diff changeset
972 ThreadPriority java_lang_Thread::priority(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
973 return (ThreadPriority)java_thread->int_field(_priority_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
974 }
a61af66fc99e Initial load
duke
parents:
diff changeset
975
a61af66fc99e Initial load
duke
parents:
diff changeset
976
a61af66fc99e Initial load
duke
parents:
diff changeset
977 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) {
a61af66fc99e Initial load
duke
parents:
diff changeset
978 java_thread->int_field_put(_priority_offset, priority);
a61af66fc99e Initial load
duke
parents:
diff changeset
979 }
a61af66fc99e Initial load
duke
parents:
diff changeset
980
a61af66fc99e Initial load
duke
parents:
diff changeset
981
a61af66fc99e Initial load
duke
parents:
diff changeset
982 oop java_lang_Thread::threadGroup(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
983 return java_thread->obj_field(_group_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
984 }
a61af66fc99e Initial load
duke
parents:
diff changeset
985
a61af66fc99e Initial load
duke
parents:
diff changeset
986
a61af66fc99e Initial load
duke
parents:
diff changeset
987 bool java_lang_Thread::is_stillborn(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
988 return java_thread->bool_field(_stillborn_offset) != 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
989 }
a61af66fc99e Initial load
duke
parents:
diff changeset
990
a61af66fc99e Initial load
duke
parents:
diff changeset
991
a61af66fc99e Initial load
duke
parents:
diff changeset
992 // We never have reason to turn the stillborn bit off
a61af66fc99e Initial load
duke
parents:
diff changeset
993 void java_lang_Thread::set_stillborn(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
994 java_thread->bool_field_put(_stillborn_offset, true);
a61af66fc99e Initial load
duke
parents:
diff changeset
995 }
a61af66fc99e Initial load
duke
parents:
diff changeset
996
a61af66fc99e Initial load
duke
parents:
diff changeset
997
a61af66fc99e Initial load
duke
parents:
diff changeset
998 bool java_lang_Thread::is_alive(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
999 JavaThread* thr = java_lang_Thread::thread(java_thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 return (thr != NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1001 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1002
a61af66fc99e Initial load
duke
parents:
diff changeset
1003
a61af66fc99e Initial load
duke
parents:
diff changeset
1004 bool java_lang_Thread::is_daemon(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1005 return java_thread->bool_field(_daemon_offset) != 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1006 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1007
a61af66fc99e Initial load
duke
parents:
diff changeset
1008
a61af66fc99e Initial load
duke
parents:
diff changeset
1009 void java_lang_Thread::set_daemon(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1010 java_thread->bool_field_put(_daemon_offset, true);
a61af66fc99e Initial load
duke
parents:
diff changeset
1011 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1012
a61af66fc99e Initial load
duke
parents:
diff changeset
1013 oop java_lang_Thread::context_class_loader(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1014 return java_thread->obj_field(_contextClassLoader_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1015 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1016
a61af66fc99e Initial load
duke
parents:
diff changeset
1017 oop java_lang_Thread::inherited_access_control_context(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1018 return java_thread->obj_field(_inheritedAccessControlContext_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1019 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1020
a61af66fc99e Initial load
duke
parents:
diff changeset
1021
a61af66fc99e Initial load
duke
parents:
diff changeset
1022 jlong java_lang_Thread::stackSize(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 // The stackSize field is only present starting in 1.4
a61af66fc99e Initial load
duke
parents:
diff changeset
1024 if (_stackSize_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1025 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check");
a61af66fc99e Initial load
duke
parents:
diff changeset
1026 return java_thread->long_field(_stackSize_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1027 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1028 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1029 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1030 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1031
a61af66fc99e Initial load
duke
parents:
diff changeset
1032 // Write the thread status value to threadStatus field in java.lang.Thread java class.
a61af66fc99e Initial load
duke
parents:
diff changeset
1033 void java_lang_Thread::set_thread_status(oop java_thread,
a61af66fc99e Initial load
duke
parents:
diff changeset
1034 java_lang_Thread::ThreadStatus status) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1035 // The threadStatus is only present starting in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
1036 if (_thread_status_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1037 java_thread->int_field_put(_thread_status_offset, status);
a61af66fc99e Initial load
duke
parents:
diff changeset
1038 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1039 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1040
a61af66fc99e Initial load
duke
parents:
diff changeset
1041 // Read thread status value from threadStatus field in java.lang.Thread java class.
a61af66fc99e Initial load
duke
parents:
diff changeset
1042 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) {
10405
f2110083203d 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 10343
diff changeset
1043 assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() ||
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1044 JavaThread::current()->thread_state() == _thread_in_vm,
a61af66fc99e Initial load
duke
parents:
diff changeset
1045 "Java Thread is not running in vm");
a61af66fc99e Initial load
duke
parents:
diff changeset
1046 // The threadStatus is only present starting in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
1047 if (_thread_status_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1048 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1049 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1050 // All we can easily figure out is if it is alive, but that is
a61af66fc99e Initial load
duke
parents:
diff changeset
1051 // enough info for a valid unknown status.
a61af66fc99e Initial load
duke
parents:
diff changeset
1052 // These aren't restricted to valid set ThreadStatus values, so
a61af66fc99e Initial load
duke
parents:
diff changeset
1053 // use JVMTI values and cast.
a61af66fc99e Initial load
duke
parents:
diff changeset
1054 JavaThread* thr = java_lang_Thread::thread(java_thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
1055 if (thr == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 // the thread hasn't run yet or is in the process of exiting
a61af66fc99e Initial load
duke
parents:
diff changeset
1057 return NEW;
a61af66fc99e Initial load
duke
parents:
diff changeset
1058 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1059 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE;
a61af66fc99e Initial load
duke
parents:
diff changeset
1060 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1061 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1062
a61af66fc99e Initial load
duke
parents:
diff changeset
1063
a61af66fc99e Initial load
duke
parents:
diff changeset
1064 jlong java_lang_Thread::thread_id(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 // The thread ID field is only present starting in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
1066 if (_tid_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1067 return java_thread->long_field(_tid_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1068 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1069 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1070 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1071 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1072
a61af66fc99e Initial load
duke
parents:
diff changeset
1073 oop java_lang_Thread::park_blocker(oop java_thread) {
242
d95b224e9f17 6721093: -XX:AppendRatio=N not supported
kamg
parents: 196
diff changeset
1074 assert(JDK_Version::current().supports_thread_park_blocker() &&
d95b224e9f17 6721093: -XX:AppendRatio=N not supported
kamg
parents: 196
diff changeset
1075 _park_blocker_offset != 0, "Must support parkBlocker field");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1076
a61af66fc99e Initial load
duke
parents:
diff changeset
1077 if (_park_blocker_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1078 return java_thread->obj_field(_park_blocker_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1079 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1080
a61af66fc99e Initial load
duke
parents:
diff changeset
1081 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1082 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1083
a61af66fc99e Initial load
duke
parents:
diff changeset
1084 jlong java_lang_Thread::park_event(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1085 if (_park_event_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1086 return java_thread->long_field(_park_event_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1087 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1088 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1089 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1090
a61af66fc99e Initial load
duke
parents:
diff changeset
1091 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1092 if (_park_event_offset > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1093 java_thread->long_field_put(_park_event_offset, ptr);
a61af66fc99e Initial load
duke
parents:
diff changeset
1094 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
1095 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1098
a61af66fc99e Initial load
duke
parents:
diff changeset
1099
a61af66fc99e Initial load
duke
parents:
diff changeset
1100 const char* java_lang_Thread::thread_status_name(oop java_thread) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1101 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status");
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1103 switch (status) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1104 case NEW : return "NEW";
a61af66fc99e Initial load
duke
parents:
diff changeset
1105 case RUNNABLE : return "RUNNABLE";
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 case SLEEPING : return "TIMED_WAITING (sleeping)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1107 case IN_OBJECT_WAIT : return "WAITING (on object monitor)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1108 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1109 case PARKED : return "WAITING (parking)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 case PARKED_TIMED : return "TIMED_WAITING (parking)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1111 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)";
a61af66fc99e Initial load
duke
parents:
diff changeset
1112 case TERMINATED : return "TERMINATED";
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 default : return "UNKNOWN";
a61af66fc99e Initial load
duke
parents:
diff changeset
1114 };
a61af66fc99e Initial load
duke
parents:
diff changeset
1115 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 int java_lang_ThreadGroup::_parent_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1117 int java_lang_ThreadGroup::_name_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1118 int java_lang_ThreadGroup::_threads_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1119 int java_lang_ThreadGroup::_groups_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 int java_lang_ThreadGroup::_maxPriority_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1121 int java_lang_ThreadGroup::_destroyed_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1122 int java_lang_ThreadGroup::_daemon_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1123 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1124 int java_lang_ThreadGroup::_nthreads_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1125 int java_lang_ThreadGroup::_ngroups_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1126
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 oop java_lang_ThreadGroup::parent(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 return java_thread_group->obj_field(_parent_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1130 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1131
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 // ("name as oop" accessor is not necessary)
a61af66fc99e Initial load
duke
parents:
diff changeset
1133
a61af66fc99e Initial load
duke
parents:
diff changeset
1134 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1135 oop name = java_thread_group->obj_field(_name_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 // ThreadGroup.name can be null
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name);
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1139
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 int java_lang_ThreadGroup::nthreads(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1141 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 return java_thread_group->int_field(_nthreads_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1143 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1144
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1146 oop threads = java_thread_group->obj_field(_threads_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 assert(threads != NULL, "threadgroups should have threads");
a61af66fc99e Initial load
duke
parents:
diff changeset
1148 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code
a61af66fc99e Initial load
duke
parents:
diff changeset
1149 return objArrayOop(threads);
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1151
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 int java_lang_ThreadGroup::ngroups(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1153 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1154 return java_thread_group->int_field(_ngroups_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1155 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1156
a61af66fc99e Initial load
duke
parents:
diff changeset
1157 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1158 oop groups = java_thread_group->obj_field(_groups_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1159 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code
a61af66fc99e Initial load
duke
parents:
diff changeset
1160 return objArrayOop(groups);
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1162
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1166 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1167
a61af66fc99e Initial load
duke
parents:
diff changeset
1168 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1169 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1170 return java_thread_group->bool_field(_destroyed_offset) != 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1171 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1172
a61af66fc99e Initial load
duke
parents:
diff changeset
1173 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1174 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1175 return java_thread_group->bool_field(_daemon_offset) != 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1176 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1177
a61af66fc99e Initial load
duke
parents:
diff changeset
1178 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1179 assert(java_thread_group->is_oop(), "thread group must be oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1180 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1181 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1182
a61af66fc99e Initial load
duke
parents:
diff changeset
1183 void java_lang_ThreadGroup::compute_offsets() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1184 assert(_parent_offset == 0, "offsets should be initialized only once");
a61af66fc99e Initial load
duke
parents:
diff changeset
1185
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1186 Klass* k = SystemDictionary::ThreadGroup_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1187
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1188 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1189 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1190 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1191 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1192 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1193 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1194 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1195 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1196 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1197 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1198 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1199
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1200 oop java_lang_Throwable::unassigned_stacktrace() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1201 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass());
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1202 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset);
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1203 if (UseCompressedOops) {
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1204 return oopDesc::load_decode_heap_oop((narrowOop *)addr);
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1205 } else {
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1206 return oopDesc::load_decode_heap_oop((oop*)addr);
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1207 }
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1208 }
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1209
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1210 oop java_lang_Throwable::backtrace(oop throwable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 return throwable->obj_field_acquire(backtrace_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1213
a61af66fc99e Initial load
duke
parents:
diff changeset
1214
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 void java_lang_Throwable::set_backtrace(oop throwable, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1216 throwable->release_obj_field_put(backtrace_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1217 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1218
a61af66fc99e Initial load
duke
parents:
diff changeset
1219
a61af66fc99e Initial load
duke
parents:
diff changeset
1220 oop java_lang_Throwable::message(oop throwable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1221 return throwable->obj_field(detailMessage_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1222 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1223
a61af66fc99e Initial load
duke
parents:
diff changeset
1224
a61af66fc99e Initial load
duke
parents:
diff changeset
1225 oop java_lang_Throwable::message(Handle throwable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1226 return throwable->obj_field(detailMessage_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1227 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1228
a61af66fc99e Initial load
duke
parents:
diff changeset
1229
a61af66fc99e Initial load
duke
parents:
diff changeset
1230 void java_lang_Throwable::set_message(oop throwable, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1231 throwable->obj_field_put(detailMessage_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1232 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1233
a61af66fc99e Initial load
duke
parents:
diff changeset
1234
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1235 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) {
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1236 throwable->obj_field_put(stackTrace_offset, st_element_array);
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1237 }
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1238
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 void java_lang_Throwable::clear_stacktrace(oop throwable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1241 set_stacktrace(throwable, NULL);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1242 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1243
a61af66fc99e Initial load
duke
parents:
diff changeset
1244
a61af66fc99e Initial load
duke
parents:
diff changeset
1245 void java_lang_Throwable::print(oop throwable, outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1246 ResourceMark rm;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1247 Klass* k = throwable->klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1248 assert(k != NULL, "just checking");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1249 st->print("%s", InstanceKlass::cast(k)->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 oop msg = message(throwable);
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 if (msg != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1252 st->print(": %s", java_lang_String::as_utf8_string(msg));
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1255
a61af66fc99e Initial load
duke
parents:
diff changeset
1256
a61af66fc99e Initial load
duke
parents:
diff changeset
1257 void java_lang_Throwable::print(Handle throwable, outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 ResourceMark rm;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1259 Klass* k = throwable->klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1260 assert(k != NULL, "just checking");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1261 st->print("%s", InstanceKlass::cast(k)->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1262 oop msg = message(throwable);
a61af66fc99e Initial load
duke
parents:
diff changeset
1263 if (msg != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1264 st->print(": %s", java_lang_String::as_utf8_string(msg));
a61af66fc99e Initial load
duke
parents:
diff changeset
1265 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1266 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1267
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1268 // After this many redefines, the stack trace is unreliable.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1269 const int MAX_VERSION = USHRT_MAX;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1270
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1271 // Helper backtrace functions to store bci|version together.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1272 static inline int merge_bci_and_version(int bci, int version) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1273 // only store u2 for version, checking for overflow.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1274 if (version > USHRT_MAX || version < 0) version = MAX_VERSION;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1275 assert((jushort)bci == bci, "bci should be short");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1276 return build_int_from_shorts(version, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1277 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1278
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1279 static inline int bci_at(unsigned int merged) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1280 return extract_high_short_from_int(merged);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1281 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1282 static inline int version_at(unsigned int merged) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1283 return extract_low_short_from_int(merged);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1284 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1285
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1286 static inline bool version_matches(Method* method, int version) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1287 return (method->constants()->version() == version && version < MAX_VERSION);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1288 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1289
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1290 static inline int get_line_number(Method* method, int bci) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1291 int line_number = 0;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1292 if (method->is_native()) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1293 // Negative value different from -1 below, enabling Java code in
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1294 // class java.lang.StackTraceElement to distinguish "native" from
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1295 // "no LineNumberTable". JDK tests for -2.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1296 line_number = -2;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1297 } else {
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1298 // Returns -1 if no LineNumberTable, and otherwise actual line number
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1299 line_number = method->line_number_from_bci(bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1300 if (line_number == -1 && ShowHiddenFrames) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1301 line_number = bci + 1000000;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 }
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1304 return line_number;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1305 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1306
a61af66fc99e Initial load
duke
parents:
diff changeset
1307 // This class provides a simple wrapper over the internal structure of
a61af66fc99e Initial load
duke
parents:
diff changeset
1308 // exception backtrace to insulate users of the backtrace from needing
a61af66fc99e Initial load
duke
parents:
diff changeset
1309 // to know what it looks like.
a61af66fc99e Initial load
duke
parents:
diff changeset
1310 class BacktraceBuilder: public StackObj {
a61af66fc99e Initial load
duke
parents:
diff changeset
1311 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 Handle _backtrace;
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 objArrayOop _head;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1314 typeArrayOop _methods;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1315 typeArrayOop _bcis;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1316 objArrayOop _mirrors;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1317 int _index;
a61af66fc99e Initial load
duke
parents:
diff changeset
1318 No_Safepoint_Verifier _nsv;
a61af66fc99e Initial load
duke
parents:
diff changeset
1319
a61af66fc99e Initial load
duke
parents:
diff changeset
1320 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
1321
a61af66fc99e Initial load
duke
parents:
diff changeset
1322 enum {
a61af66fc99e Initial load
duke
parents:
diff changeset
1323 trace_methods_offset = java_lang_Throwable::trace_methods_offset,
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1324 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1325 trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 trace_next_offset = java_lang_Throwable::trace_next_offset,
a61af66fc99e Initial load
duke
parents:
diff changeset
1327 trace_size = java_lang_Throwable::trace_size,
a61af66fc99e Initial load
duke
parents:
diff changeset
1328 trace_chunk_size = java_lang_Throwable::trace_chunk_size
a61af66fc99e Initial load
duke
parents:
diff changeset
1329 };
a61af66fc99e Initial load
duke
parents:
diff changeset
1330
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1331 // get info out of chunks
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1332 static typeArrayOop get_methods(objArrayHandle chunk) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1333 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1334 assert(methods != NULL, "method array should be initialized in backtrace");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1335 return methods;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1336 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1337 static typeArrayOop get_bcis(objArrayHandle chunk) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1338 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1339 assert(bcis != NULL, "bci array should be initialized in backtrace");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1340 return bcis;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1341 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1342 static objArrayOop get_mirrors(objArrayHandle chunk) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1343 objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1344 assert(mirrors != NULL, "mirror array should be initialized in backtrace");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1345 return mirrors;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1346 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1347
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1348 // constructor for new backtrace
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1349 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1350 expand(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1351 _backtrace = _head;
a61af66fc99e Initial load
duke
parents:
diff changeset
1352 _index = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1353 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1354
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1355 BacktraceBuilder(objArrayHandle backtrace) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1356 _methods = get_methods(backtrace);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1357 _bcis = get_bcis(backtrace);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1358 _mirrors = get_mirrors(backtrace);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1359 assert(_methods->length() == _bcis->length() &&
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1360 _methods->length() == _mirrors->length(),
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1361 "method and source information arrays should match");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1362
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1363 // head is the preallocated backtrace
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1364 _backtrace = _head = backtrace();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1365 _index = 0;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1366 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1367
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1368 void expand(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 objArrayHandle old_head(THREAD, _head);
a61af66fc99e Initial load
duke
parents:
diff changeset
1370 Pause_No_Safepoint_Verifier pnsv(&_nsv);
a61af66fc99e Initial load
duke
parents:
diff changeset
1371
a61af66fc99e Initial load
duke
parents:
diff changeset
1372 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 objArrayHandle new_head(THREAD, head);
a61af66fc99e Initial load
duke
parents:
diff changeset
1374
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1375 typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1376 typeArrayHandle new_methods(THREAD, methods);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1377
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1378 typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 typeArrayHandle new_bcis(THREAD, bcis);
a61af66fc99e Initial load
duke
parents:
diff changeset
1380
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1381 objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1382 objArrayHandle new_mirrors(THREAD, mirrors);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1383
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 if (!old_head.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1385 old_head->obj_at_put(trace_next_offset, new_head());
a61af66fc99e Initial load
duke
parents:
diff changeset
1386 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1387 new_head->obj_at_put(trace_methods_offset, new_methods());
a61af66fc99e Initial load
duke
parents:
diff changeset
1388 new_head->obj_at_put(trace_bcis_offset, new_bcis());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1389 new_head->obj_at_put(trace_mirrors_offset, new_mirrors());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1390
a61af66fc99e Initial load
duke
parents:
diff changeset
1391 _head = new_head();
a61af66fc99e Initial load
duke
parents:
diff changeset
1392 _methods = new_methods();
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1393 _bcis = new_bcis();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1394 _mirrors = new_mirrors();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1395 _index = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1396 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1397
a61af66fc99e Initial load
duke
parents:
diff changeset
1398 oop backtrace() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1399 return _backtrace();
a61af66fc99e Initial load
duke
parents:
diff changeset
1400 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1401
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1402 inline void push(Method* method, int bci, TRAPS) {
4817
a81f60ddab06 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 4009
diff changeset
1403 // Smear the -1 bci to 0 since the array only holds unsigned
a81f60ddab06 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 4009
diff changeset
1404 // shorts. The later line number lookup would just smear the -1
a81f60ddab06 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 4009
diff changeset
1405 // to a 0 even if it could be recorded.
a81f60ddab06 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 4009
diff changeset
1406 if (bci == SynchronizationEntryBCI) bci = 0;
a81f60ddab06 7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents: 4009
diff changeset
1407
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 if (_index >= trace_chunk_size) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1409 methodHandle mhandle(THREAD, method);
a61af66fc99e Initial load
duke
parents:
diff changeset
1410 expand(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1411 method = mhandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1412 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1413
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1414 _methods->short_at_put(_index, method->method_idnum());
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1415 _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version()));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1416
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1417 // We need to save the mirrors in the backtrace to keep the class
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1418 // from being unloaded while we still have this stack trace.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1419 assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1420 _mirrors->obj_at_put(_index, method->method_holder()->java_mirror());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1421 _index++;
a61af66fc99e Initial load
duke
parents:
diff changeset
1422 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1423
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1424 };
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1425
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1426 // Print stack trace element to resource allocated buffer
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1427 char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror,
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1428 int method_id, int version, int bci) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1429
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1430 // Get strings and string lengths
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1431 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1432 const char* klass_name = holder->external_name();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1433 int buf_len = (int)strlen(klass_name);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1434
12810
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1435 // The method id may point to an obsolete method, can't get more stack information
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1436 Method* method = holder->method_with_idnum(method_id);
12810
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1437 if (method == NULL) {
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1438 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1439 // This is what the java code prints in this case - added Redefined
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1440 sprintf(buf, "\tat %s.null (Redefined)", klass_name);
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1441 return buf;
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1442 }
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1443
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1444 char* method_name = method->name()->as_C_string();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1445 buf_len += (int)strlen(method_name);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1446
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1447 char* source_file_name = NULL;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1448 if (version_matches(method, version)) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1449 Symbol* source = holder->source_file_name();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1450 if (source != NULL) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1451 source_file_name = source->as_C_string();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1452 buf_len += (int)strlen(source_file_name);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1453 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1454 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1455
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1456 // Allocate temporary buffer with extra space for formatting and line number
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1457 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1458
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1459 // Print stack trace line in buffer
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1460 sprintf(buf, "\tat %s.%s", klass_name, method_name);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1461
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1462 if (!version_matches(method, version)) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1463 strcat(buf, "(Redefined)");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1464 } else {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1465 int line_number = get_line_number(method, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1466 if (line_number == -2) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1467 strcat(buf, "(Native Method)");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1468 } else {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1469 if (source_file_name != NULL && (line_number != -1)) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1470 // Sourcename and linenumber
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1471 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1472 } else if (source_file_name != NULL) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1473 // Just sourcename
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1474 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1475 } else {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1476 // Neither sourcename nor linenumber
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1477 sprintf(buf + (int)strlen(buf), "(Unknown Source)");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1478 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1479 nmethod* nm = method->code();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1480 if (WizardMode && nm != NULL) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1481 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1482 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1483 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1484 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1485
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1486 return buf;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1487 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1488
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1489 void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror,
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1490 int method_id, int version, int bci) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1491 ResourceMark rm;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1492 char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1493 st->print_cr("%s", buf);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1494 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1495
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1496 void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1497 Handle mirror = method->method_holder()->java_mirror();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1498 int method_id = method->method_idnum();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1499 int version = method->constants()->version();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1500 print_stack_element(st, mirror, method_id, version, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1501 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1502
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1503 const char* java_lang_Throwable::no_stack_trace_message() {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1504 return "\t<<no stack trace available>>";
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1505 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1506
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1507
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1508 // Currently used only for exceptions occurring during startup
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1509 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1510 Thread *THREAD = Thread::current();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1511 Handle h_throwable(THREAD, throwable);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1512 while (h_throwable.not_null()) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1513 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable())));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1514 if (result.is_null()) {
18041
52b4284cb496 Merge with jdk8u20-b26
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16778 17937
diff changeset
1515 st->print_raw_cr(no_stack_trace_message());
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1516 return;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1517 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1518
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1519 while (result.not_null()) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1520
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1521 // Get method id, bci, version and mirror from chunk
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1522 typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1523 typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1524 objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1525
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1526 int length = methods()->length();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1527 for (int index = 0; index < length; index++) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1528 Handle mirror(THREAD, mirrors->obj_at(index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1529 // NULL mirror means end of stack trace
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1530 if (mirror.is_null()) goto handle_cause;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1531 int method = methods->short_at(index);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1532 int version = version_at(bcis->int_at(index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1533 int bci = bci_at(bcis->int_at(index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1534 print_stack_element(st, mirror, method, version, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1535 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1536 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset)));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1537 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1538 handle_cause:
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1539 {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1540 EXCEPTION_MARK;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1541 JavaValue cause(T_OBJECT);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1542 JavaCalls::call_virtual(&cause,
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1543 h_throwable,
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1544 KlassHandle(THREAD, h_throwable->klass()),
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1545 vmSymbols::getCause_name(),
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1546 vmSymbols::void_throwable_signature(),
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1547 THREAD);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1548 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1549 if (HAS_PENDING_EXCEPTION) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1550 CLEAR_PENDING_EXCEPTION;
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1551 h_throwable = Handle();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1552 } else {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1553 h_throwable = Handle(THREAD, (oop) cause.get_jobject());
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1554 if (h_throwable.not_null()) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1555 st->print("Caused by: ");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1556 print(h_throwable, st);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1557 st->cr();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1558 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1559 }
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1560 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1561 }
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1562 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1563
3272
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1564 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1565 if (!StackTraceInThrowable) return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1566 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1567
a61af66fc99e Initial load
duke
parents:
diff changeset
1568 // Start out by clearing the backtrace for this object, in case the VM
a61af66fc99e Initial load
duke
parents:
diff changeset
1569 // runs out of memory while allocating the stack trace
a61af66fc99e Initial load
duke
parents:
diff changeset
1570 set_backtrace(throwable(), NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1571 if (JDK_Version::is_gte_jdk14x_version()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1572 // New since 1.4, clear lazily constructed Java level stacktrace if
a61af66fc99e Initial load
duke
parents:
diff changeset
1573 // refilling occurs
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1574 // This is unnecessary in 1.7+ but harmless
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1575 clear_stacktrace(throwable());
a61af66fc99e Initial load
duke
parents:
diff changeset
1576 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1577
a61af66fc99e Initial load
duke
parents:
diff changeset
1578 int max_depth = MaxJavaStackTraceDepth;
a61af66fc99e Initial load
duke
parents:
diff changeset
1579 JavaThread* thread = (JavaThread*)THREAD;
a61af66fc99e Initial load
duke
parents:
diff changeset
1580 BacktraceBuilder bt(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1581
3272
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1582 // If there is no Java frame just return the method that was being called
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1583 // with bci 0
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1584 if (!thread->has_last_Java_frame()) {
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1585 if (max_depth >= 1 && method() != NULL) {
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1586 bt.push(method(), 0, CHECK);
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1587 set_backtrace(throwable(), bt.backtrace());
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1588 }
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1589 return;
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1590 }
14768
3e9a960f0da1 HSAIL: preliminary deopt support
Doug Simon <doug.simon@oracle.com>
parents: 14518
diff changeset
1591
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1592 // Instead of using vframe directly, this version of fill_in_stack_trace
a61af66fc99e Initial load
duke
parents:
diff changeset
1593 // basically handles everything by hand. This significantly improved the
a61af66fc99e Initial load
duke
parents:
diff changeset
1594 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
a61af66fc99e Initial load
duke
parents:
diff changeset
1595 // See bug 6333838 for more details.
a61af66fc99e Initial load
duke
parents:
diff changeset
1596 // The "ASSERT" here is to verify this method generates the exactly same stack
a61af66fc99e Initial load
duke
parents:
diff changeset
1597 // trace as utilizing vframe.
a61af66fc99e Initial load
duke
parents:
diff changeset
1598 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
1599 vframeStream st(thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
1600 methodHandle st_method(THREAD, st.method());
a61af66fc99e Initial load
duke
parents:
diff changeset
1601 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
1602 int total_count = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1603 RegisterMap map(thread, false);
a61af66fc99e Initial load
duke
parents:
diff changeset
1604 int decode_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1605 nmethod* nm = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1606 bool skip_fillInStackTrace_check = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1607 bool skip_throwableInit_check = false;
6267
977007096840 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 6266
diff changeset
1608 bool skip_hidden = !ShowHiddenFrames;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1609
a61af66fc99e Initial load
duke
parents:
diff changeset
1610 for (frame fr = thread->last_frame(); max_depth != total_count;) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1611 Method* method = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1612 int bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1613
a61af66fc99e Initial load
duke
parents:
diff changeset
1614 // Compiled java method case.
a61af66fc99e Initial load
duke
parents:
diff changeset
1615 if (decode_offset != 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1616 DebugInfoReadStream stream(nm, decode_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1617 decode_offset = stream.read_int();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1618 method = (Method*)nm->metadata_at(stream.read_int());
931
72088be4b386 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents: 900
diff changeset
1619 bci = stream.read_bci();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1620 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1621 if (fr.is_first_frame()) break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1622 address pc = fr.pc();
a61af66fc99e Initial load
duke
parents:
diff changeset
1623 if (fr.is_interpreted_frame()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1624 intptr_t bcx = fr.interpreter_frame_bcx();
a61af66fc99e Initial load
duke
parents:
diff changeset
1625 method = fr.interpreter_frame_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1626 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx);
a61af66fc99e Initial load
duke
parents:
diff changeset
1627 fr = fr.sender(&map);
a61af66fc99e Initial load
duke
parents:
diff changeset
1628 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1629 CodeBlob* cb = fr.cb();
a61af66fc99e Initial load
duke
parents:
diff changeset
1630 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL
a61af66fc99e Initial load
duke
parents:
diff changeset
1631 // but non nmethod
a61af66fc99e Initial load
duke
parents:
diff changeset
1632 fr = fr.sender(&map);
a61af66fc99e Initial load
duke
parents:
diff changeset
1633 if (cb == NULL || !cb->is_nmethod()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1634 continue;
a61af66fc99e Initial load
duke
parents:
diff changeset
1635 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1636 nm = (nmethod*)cb;
a61af66fc99e Initial load
duke
parents:
diff changeset
1637 if (nm->method()->is_native()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1638 method = nm->method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1639 bci = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1640 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1641 PcDesc* pd = nm->pc_desc_at(pc);
a61af66fc99e Initial load
duke
parents:
diff changeset
1642 decode_offset = pd->scope_decode_offset();
a61af66fc99e Initial load
duke
parents:
diff changeset
1643 // if decode_offset is not equal to 0, it will execute the
a61af66fc99e Initial load
duke
parents:
diff changeset
1644 // "compiled java method case" at the beginning of the loop.
a61af66fc99e Initial load
duke
parents:
diff changeset
1645 continue;
a61af66fc99e Initial load
duke
parents:
diff changeset
1646 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1647 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1648 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1649 #ifdef ASSERT
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1650 assert(st_method() == method && st.bci() == bci,
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1651 "Wrong stack trace");
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1652 st.next();
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1653 // vframeStream::method isn't GC-safe so store off a copy
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1654 // of the Method* in case we GC.
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1655 if (!st.at_end()) {
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1656 st_method = st.method();
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1657 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1658 #endif
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1659
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1660 // the format of the stacktrace will be:
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1661 // - 1 or more fillInStackTrace frames for the exception class (skipped)
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1662 // - 0 or more <init> methods for the exception class (skipped)
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1663 // - rest of the stack
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1664
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1665 if (!skip_fillInStackTrace_check) {
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1666 if ((method->name() == vmSymbols::fillInStackTrace_name() ||
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1667 method->name() == vmSymbols::fillInStackTrace0_name()) &&
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1668 throwable->is_a(method->method_holder())) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1669 continue;
a61af66fc99e Initial load
duke
parents:
diff changeset
1670 }
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1671 else {
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1672 skip_fillInStackTrace_check = true; // gone past them all
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1673 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1674 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1675 if (!skip_throwableInit_check) {
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1676 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering");
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1677
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1678 // skip <init> methods of the exception class and superclasses
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1679 // This is simlar to classic VM.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1680 if (method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
1681 throwable->is_a(method->method_holder())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1682 continue;
a61af66fc99e Initial load
duke
parents:
diff changeset
1683 } else {
2476
6a615eae2f34 7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents: 2379
diff changeset
1684 // there are none or we've seen them all - either way stop checking
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1685 skip_throwableInit_check = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
1686 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1687 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1688 if (method->is_hidden()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1689 if (skip_hidden) continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1690 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1691 bt.push(method, bci, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1692 total_count++;
a61af66fc99e Initial load
duke
parents:
diff changeset
1693 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1694
a61af66fc99e Initial load
duke
parents:
diff changeset
1695 // Put completed stack trace into throwable object
a61af66fc99e Initial load
duke
parents:
diff changeset
1696 set_backtrace(throwable(), bt.backtrace());
a61af66fc99e Initial load
duke
parents:
diff changeset
1697 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1698
3272
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1699 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1700 // No-op if stack trace is disabled
a61af66fc99e Initial load
duke
parents:
diff changeset
1701 if (!StackTraceInThrowable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1702 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1703 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1704
a61af66fc99e Initial load
duke
parents:
diff changeset
1705 // Disable stack traces for some preallocated out of memory errors
a61af66fc99e Initial load
duke
parents:
diff changeset
1706 if (!Universe::should_fill_in_stack_trace(throwable)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1707 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1708 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1709
a61af66fc99e Initial load
duke
parents:
diff changeset
1710 PRESERVE_EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1711
a61af66fc99e Initial load
duke
parents:
diff changeset
1712 JavaThread* thread = JavaThread::active();
3272
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2477
diff changeset
1713 fill_in_stack_trace(throwable, method, thread);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1714 // ignore exceptions thrown during stack trace filling
a61af66fc99e Initial load
duke
parents:
diff changeset
1715 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1716 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1717
a61af66fc99e Initial load
duke
parents:
diff changeset
1718 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1719 // Allocate stack trace - backtrace is created but not filled in
a61af66fc99e Initial load
duke
parents:
diff changeset
1720
a61af66fc99e Initial load
duke
parents:
diff changeset
1721 // No-op if stack trace is disabled
a61af66fc99e Initial load
duke
parents:
diff changeset
1722 if (!StackTraceInThrowable) return;
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1723 BacktraceBuilder bt(CHECK); // creates a backtrace
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1724 set_backtrace(throwable(), bt.backtrace());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1725 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1726
a61af66fc99e Initial load
duke
parents:
diff changeset
1727
a61af66fc99e Initial load
duke
parents:
diff changeset
1728 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1729 // Fill in stack trace into preallocated backtrace (no GC)
a61af66fc99e Initial load
duke
parents:
diff changeset
1730
a61af66fc99e Initial load
duke
parents:
diff changeset
1731 // No-op if stack trace is disabled
a61af66fc99e Initial load
duke
parents:
diff changeset
1732 if (!StackTraceInThrowable) return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1733
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1133
diff changeset
1734 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1735
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1736 JavaThread* THREAD = JavaThread::current();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1737
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1738 objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable()));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1739 assert(backtrace.not_null(), "backtrace should have been preallocated");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1740
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1741 ResourceMark rm(THREAD);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1742 vframeStream st(THREAD);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1743
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1744 BacktraceBuilder bt(backtrace);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1745
a61af66fc99e Initial load
duke
parents:
diff changeset
1746 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init
a61af66fc99e Initial load
duke
parents:
diff changeset
1747 // methods as preallocated errors aren't created by "java" code.
a61af66fc99e Initial load
duke
parents:
diff changeset
1748
a61af66fc99e Initial load
duke
parents:
diff changeset
1749 // fill in as much stack trace as possible
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1750 typeArrayOop methods = BacktraceBuilder::get_methods(backtrace);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1751 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth);
a61af66fc99e Initial load
duke
parents:
diff changeset
1752 int chunk_count = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1753
a61af66fc99e Initial load
duke
parents:
diff changeset
1754 for (;!st.at_end(); st.next()) {
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1755 bt.push(st.method(), st.bci(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1756 chunk_count++;
a61af66fc99e Initial load
duke
parents:
diff changeset
1757
a61af66fc99e Initial load
duke
parents:
diff changeset
1758 // Bail-out for deep stacks
a61af66fc99e Initial load
duke
parents:
diff changeset
1759 if (chunk_count >= max_chunks) break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1760 }
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1761
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1762 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1763 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1764 // can be removed in a JDK using this JVM version
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1765 if (JDK_Version::is_gte_jdk17x_version()) {
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1766 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace());
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1767 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized");
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
1768 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1769 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1770
a61af66fc99e Initial load
duke
parents:
diff changeset
1771
a61af66fc99e Initial load
duke
parents:
diff changeset
1772 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1773 if (throwable == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1774 THROW_0(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1775 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1776 objArrayOop chunk = objArrayOop(backtrace(throwable));
a61af66fc99e Initial load
duke
parents:
diff changeset
1777 int depth = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1778 if (chunk != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1779 // Iterate over chunks and count full ones
a61af66fc99e Initial load
duke
parents:
diff changeset
1780 while (true) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1781 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset));
a61af66fc99e Initial load
duke
parents:
diff changeset
1782 if (next == NULL) break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1783 depth += trace_chunk_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
1784 chunk = next;
a61af66fc99e Initial load
duke
parents:
diff changeset
1785 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1786 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check");
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1787 // Count element in remaining partial chunk. NULL value for mirror
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1788 // marks the end of the stack trace elements that are saved.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1789 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1790 assert(mirrors != NULL, "sanity check");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1791 for (int i = 0; i < mirrors->length(); i++) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1792 if (mirrors->obj_at(i) == NULL) break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1793 depth++;
a61af66fc99e Initial load
duke
parents:
diff changeset
1794 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1795 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1796 return depth;
a61af66fc99e Initial load
duke
parents:
diff changeset
1797 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1798
a61af66fc99e Initial load
duke
parents:
diff changeset
1799
a61af66fc99e Initial load
duke
parents:
diff changeset
1800 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1801 if (throwable == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1802 THROW_0(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1803 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1804 if (index < 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1805 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1806 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1807 // Compute how many chunks to skip and index into actual chunk
a61af66fc99e Initial load
duke
parents:
diff changeset
1808 objArrayOop chunk = objArrayOop(backtrace(throwable));
a61af66fc99e Initial load
duke
parents:
diff changeset
1809 int skip_chunks = index / trace_chunk_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
1810 int chunk_index = index % trace_chunk_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
1811 while (chunk != NULL && skip_chunks > 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1812 chunk = objArrayOop(chunk->obj_at(trace_next_offset));
a61af66fc99e Initial load
duke
parents:
diff changeset
1813 skip_chunks--;
a61af66fc99e Initial load
duke
parents:
diff changeset
1814 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1815 if (chunk == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1816 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1817 }
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1818 // Get method id, bci, version and mirror from chunk
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1819 typeArrayOop methods = BacktraceBuilder::get_methods(chunk);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1820 typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1821 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1822
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1823 assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check");
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1824
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1825 int method = methods->short_at(chunk_index);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1826 int version = version_at(bcis->int_at(chunk_index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1827 int bci = bci_at(bcis->int_at(chunk_index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1828 Handle mirror(THREAD, mirrors->obj_at(chunk_index));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1829
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1830 // Chunk can be partial full
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1831 if (mirror.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1832 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1833 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1834
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1835 oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1836 return element;
a61af66fc99e Initial load
duke
parents:
diff changeset
1837 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1838
12810
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1839 oop java_lang_StackTraceElement::create(Handle mirror, int method_id,
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1840 int version, int bci, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1841 // Allocate java.lang.StackTraceElement instance
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1842 Klass* k = SystemDictionary::StackTraceElement_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1843 assert(k != NULL, "must be loaded in 1.4+");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1844 instanceKlassHandle ik (THREAD, k);
a61af66fc99e Initial load
duke
parents:
diff changeset
1845 if (ik->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1846 ik->initialize(CHECK_0);
a61af66fc99e Initial load
duke
parents:
diff changeset
1847 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1848
a61af66fc99e Initial load
duke
parents:
diff changeset
1849 Handle element = ik->allocate_instance_handle(CHECK_0);
a61af66fc99e Initial load
duke
parents:
diff changeset
1850 // Fill in class name
a61af66fc99e Initial load
duke
parents:
diff changeset
1851 ResourceMark rm(THREAD);
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1852 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror()));
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1853 const char* str = holder->external_name();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1854 oop classname = StringTable::intern((char*) str, CHECK_0);
a61af66fc99e Initial load
duke
parents:
diff changeset
1855 java_lang_StackTraceElement::set_declaringClass(element(), classname);
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1856
12810
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1857 Method* method = holder->method_with_idnum(method_id);
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1858 // Method on stack may be obsolete because it was redefined so cannot be
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1859 // found by idnum.
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1860 if (method == NULL) {
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1861 // leave name and fileName null
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1862 java_lang_StackTraceElement::set_lineNumber(element(), -1);
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1863 return element();
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1864 }
07f8c2a453f8 8025238: nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 crashed with SIGSEGV
coleenp
parents: 12275
diff changeset
1865
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1866 // Fill in method name
a61af66fc99e Initial load
duke
parents:
diff changeset
1867 oop methodname = StringTable::intern(method->name(), CHECK_0);
a61af66fc99e Initial load
duke
parents:
diff changeset
1868 java_lang_StackTraceElement::set_methodName(element(), methodname);
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1869
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1870 if (!version_matches(method, version)) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1871 // The method was redefined, accurate line number information isn't available
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1872 java_lang_StackTraceElement::set_fileName(element(), NULL);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1873 java_lang_StackTraceElement::set_lineNumber(element(), -1);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1874 } else {
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1875 // Fill in source file name and line number.
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1876 Symbol* source = holder->source_file_name();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1877 if (ShowHiddenFrames && source == NULL)
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1878 source = vmSymbols::unknown_class_name();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1879 oop filename = StringTable::intern(source, CHECK_0);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1880 java_lang_StackTraceElement::set_fileName(element(), filename);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1881
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1882 int line_number = get_line_number(method, bci);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1883 java_lang_StackTraceElement::set_lineNumber(element(), line_number);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1884 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1885 return element();
a61af66fc99e Initial load
duke
parents:
diff changeset
1886 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1887
7624
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1888 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1889 Handle mirror (THREAD, method->method_holder()->java_mirror());
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1890 int method_id = method->method_idnum();
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1891 return create(mirror, method_id, method->constants()->version(), bci, THREAD);
b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents: 7462
diff changeset
1892 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1893
a61af66fc99e Initial load
duke
parents:
diff changeset
1894 void java_lang_reflect_AccessibleObject::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1895 Klass* k = SystemDictionary::reflect_AccessibleObject_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1896 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1897 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1898
a61af66fc99e Initial load
duke
parents:
diff changeset
1899 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1900 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1901 return (jboolean) reflect->bool_field(override_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1902 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1903
a61af66fc99e Initial load
duke
parents:
diff changeset
1904 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1905 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1906 reflect->bool_field_put(override_offset, (int) value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1907 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1908
a61af66fc99e Initial load
duke
parents:
diff changeset
1909 void java_lang_reflect_Method::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1910 Klass* k = SystemDictionary::reflect_Method_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1911 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1912 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1913 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1914 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1915 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1916 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1917 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1918 // The generic signature and annotations fields are only present in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
1919 signature_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
1920 annotations_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
1921 parameter_annotations_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
1922 annotation_default_offset = -1;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
1923 type_annotations_offset = -1;
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1924 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1925 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1926 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
1927 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature());
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
1928 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1929 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1930
a61af66fc99e Initial load
duke
parents:
diff changeset
1931 Handle java_lang_reflect_Method::create(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1932 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1933 Klass* klass = SystemDictionary::reflect_Method_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1934 // This class is eagerly initialized during VM initialization, since we keep a refence
a61af66fc99e Initial load
duke
parents:
diff changeset
1935 // to one of the methods
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1936 assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
1937 return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH);
0
a61af66fc99e Initial load
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parents:
diff changeset
1938 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1939
a61af66fc99e Initial load
duke
parents:
diff changeset
1940 oop java_lang_reflect_Method::clazz(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1941 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1942 return reflect->obj_field(clazz_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1943 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1944
a61af66fc99e Initial load
duke
parents:
diff changeset
1945 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1946 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1947 reflect->obj_field_put(clazz_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1948 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1949
a61af66fc99e Initial load
duke
parents:
diff changeset
1950 int java_lang_reflect_Method::slot(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1951 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1952 return reflect->int_field(slot_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1953 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1954
a61af66fc99e Initial load
duke
parents:
diff changeset
1955 void java_lang_reflect_Method::set_slot(oop reflect, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1956 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1957 reflect->int_field_put(slot_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1958 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1959
a61af66fc99e Initial load
duke
parents:
diff changeset
1960 oop java_lang_reflect_Method::name(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1961 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1962 return method->obj_field(name_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1963 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1964
a61af66fc99e Initial load
duke
parents:
diff changeset
1965 void java_lang_reflect_Method::set_name(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1966 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1967 method->obj_field_put(name_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1968 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1969
a61af66fc99e Initial load
duke
parents:
diff changeset
1970 oop java_lang_reflect_Method::return_type(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1971 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1972 return method->obj_field(returnType_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1973 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1974
a61af66fc99e Initial load
duke
parents:
diff changeset
1975 void java_lang_reflect_Method::set_return_type(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1976 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1977 method->obj_field_put(returnType_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1978 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1979
a61af66fc99e Initial load
duke
parents:
diff changeset
1980 oop java_lang_reflect_Method::parameter_types(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1981 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1982 return method->obj_field(parameterTypes_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1983 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1984
a61af66fc99e Initial load
duke
parents:
diff changeset
1985 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1986 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1987 method->obj_field_put(parameterTypes_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1988 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1989
a61af66fc99e Initial load
duke
parents:
diff changeset
1990 oop java_lang_reflect_Method::exception_types(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1991 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1992 return method->obj_field(exceptionTypes_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
1993 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1994
a61af66fc99e Initial load
duke
parents:
diff changeset
1995 void java_lang_reflect_Method::set_exception_types(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1996 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
1997 method->obj_field_put(exceptionTypes_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
1998 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1999
a61af66fc99e Initial load
duke
parents:
diff changeset
2000 int java_lang_reflect_Method::modifiers(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2001 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2002 return method->int_field(modifiers_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2003 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2004
a61af66fc99e Initial load
duke
parents:
diff changeset
2005 void java_lang_reflect_Method::set_modifiers(oop method, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2006 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2007 method->int_field_put(modifiers_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2008 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2009
a61af66fc99e Initial load
duke
parents:
diff changeset
2010 bool java_lang_reflect_Method::has_signature_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2011 return (signature_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2012 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2013
a61af66fc99e Initial load
duke
parents:
diff changeset
2014 oop java_lang_reflect_Method::signature(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2015 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2016 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2017 return method->obj_field(signature_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2018 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2019
a61af66fc99e Initial load
duke
parents:
diff changeset
2020 void java_lang_reflect_Method::set_signature(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2021 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2022 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2023 method->obj_field_put(signature_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2024 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2025
a61af66fc99e Initial load
duke
parents:
diff changeset
2026 bool java_lang_reflect_Method::has_annotations_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2027 return (annotations_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2028 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2029
a61af66fc99e Initial load
duke
parents:
diff changeset
2030 oop java_lang_reflect_Method::annotations(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2031 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2032 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2033 return method->obj_field(annotations_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2034 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2035
a61af66fc99e Initial load
duke
parents:
diff changeset
2036 void java_lang_reflect_Method::set_annotations(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2037 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2038 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2039 method->obj_field_put(annotations_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2040 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2041
a61af66fc99e Initial load
duke
parents:
diff changeset
2042 bool java_lang_reflect_Method::has_parameter_annotations_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2043 return (parameter_annotations_offset >= 0);
a61af66fc99e Initial load
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parents:
diff changeset
2044 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2045
a61af66fc99e Initial load
duke
parents:
diff changeset
2046 oop java_lang_reflect_Method::parameter_annotations(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2047 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2048 assert(has_parameter_annotations_field(), "parameter annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2049 return method->obj_field(parameter_annotations_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2050 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2051
a61af66fc99e Initial load
duke
parents:
diff changeset
2052 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2053 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2054 assert(has_parameter_annotations_field(), "parameter annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2055 method->obj_field_put(parameter_annotations_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2056 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2057
a61af66fc99e Initial load
duke
parents:
diff changeset
2058 bool java_lang_reflect_Method::has_annotation_default_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2059 return (annotation_default_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2060 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2061
a61af66fc99e Initial load
duke
parents:
diff changeset
2062 oop java_lang_reflect_Method::annotation_default(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2063 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2064 assert(has_annotation_default_field(), "annotation default field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2065 return method->obj_field(annotation_default_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2066 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2067
a61af66fc99e Initial load
duke
parents:
diff changeset
2068 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2069 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2070 assert(has_annotation_default_field(), "annotation default field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2071 method->obj_field_put(annotation_default_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2072 }
a61af66fc99e Initial load
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parents:
diff changeset
2073
7457
35431a769282 8004823: Add VM support for type annotation reflection
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parents: 7185
diff changeset
2074 bool java_lang_reflect_Method::has_type_annotations_field() {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2075 return (type_annotations_offset >= 0);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2076 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2077
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2078 oop java_lang_reflect_Method::type_annotations(oop method) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2079 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2080 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2081 return method->obj_field(type_annotations_offset);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2082 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2083
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2084 void java_lang_reflect_Method::set_type_annotations(oop method, oop value) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2085 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2086 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2087 method->obj_field_put(type_annotations_offset, value);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2088 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2089
0
a61af66fc99e Initial load
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parents:
diff changeset
2090 void java_lang_reflect_Constructor::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2091 Klass* k = SystemDictionary::reflect_Constructor_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2092 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2093 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2094 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2095 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2096 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2097 // The generic signature and annotations fields are only present in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
2098 signature_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
2099 annotations_offset = -1;
a61af66fc99e Initial load
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parents:
diff changeset
2100 parameter_annotations_offset = -1;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2101 type_annotations_offset = -1;
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2102 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2103 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2104 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2105 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2106 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2107
a61af66fc99e Initial load
duke
parents:
diff changeset
2108 Handle java_lang_reflect_Constructor::create(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2109 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2110 Symbol* name = vmSymbols::java_lang_reflect_Constructor();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2111 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2112 instanceKlassHandle klass (THREAD, k);
a61af66fc99e Initial load
duke
parents:
diff changeset
2113 // Ensure it is initialized
a61af66fc99e Initial load
duke
parents:
diff changeset
2114 klass->initialize(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2115 return klass->allocate_instance_handle(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2116 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2117
a61af66fc99e Initial load
duke
parents:
diff changeset
2118 oop java_lang_reflect_Constructor::clazz(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2119 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2120 return reflect->obj_field(clazz_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2121 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2122
a61af66fc99e Initial load
duke
parents:
diff changeset
2123 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2124 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2125 reflect->obj_field_put(clazz_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2126 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2127
a61af66fc99e Initial load
duke
parents:
diff changeset
2128 oop java_lang_reflect_Constructor::parameter_types(oop constructor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2129 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2130 return constructor->obj_field(parameterTypes_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2131 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2132
a61af66fc99e Initial load
duke
parents:
diff changeset
2133 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2134 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2135 constructor->obj_field_put(parameterTypes_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2136 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2137
a61af66fc99e Initial load
duke
parents:
diff changeset
2138 oop java_lang_reflect_Constructor::exception_types(oop constructor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2139 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2140 return constructor->obj_field(exceptionTypes_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2141 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2142
a61af66fc99e Initial load
duke
parents:
diff changeset
2143 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2144 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2145 constructor->obj_field_put(exceptionTypes_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2146 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2147
a61af66fc99e Initial load
duke
parents:
diff changeset
2148 int java_lang_reflect_Constructor::slot(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2149 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2150 return reflect->int_field(slot_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2151 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2152
a61af66fc99e Initial load
duke
parents:
diff changeset
2153 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2154 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2155 reflect->int_field_put(slot_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2156 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2157
a61af66fc99e Initial load
duke
parents:
diff changeset
2158 int java_lang_reflect_Constructor::modifiers(oop constructor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2159 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2160 return constructor->int_field(modifiers_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2161 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2162
a61af66fc99e Initial load
duke
parents:
diff changeset
2163 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2164 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2165 constructor->int_field_put(modifiers_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2166 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2167
a61af66fc99e Initial load
duke
parents:
diff changeset
2168 bool java_lang_reflect_Constructor::has_signature_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2169 return (signature_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2170 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2171
a61af66fc99e Initial load
duke
parents:
diff changeset
2172 oop java_lang_reflect_Constructor::signature(oop constructor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2173 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2174 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2175 return constructor->obj_field(signature_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2176 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2177
a61af66fc99e Initial load
duke
parents:
diff changeset
2178 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2179 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2180 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2181 constructor->obj_field_put(signature_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2182 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2183
a61af66fc99e Initial load
duke
parents:
diff changeset
2184 bool java_lang_reflect_Constructor::has_annotations_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2185 return (annotations_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2186 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2187
a61af66fc99e Initial load
duke
parents:
diff changeset
2188 oop java_lang_reflect_Constructor::annotations(oop constructor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2189 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2190 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2191 return constructor->obj_field(annotations_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2192 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2193
a61af66fc99e Initial load
duke
parents:
diff changeset
2194 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2195 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2196 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2197 constructor->obj_field_put(annotations_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2198 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2199
a61af66fc99e Initial load
duke
parents:
diff changeset
2200 bool java_lang_reflect_Constructor::has_parameter_annotations_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2201 return (parameter_annotations_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2202 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2203
a61af66fc99e Initial load
duke
parents:
diff changeset
2204 oop java_lang_reflect_Constructor::parameter_annotations(oop method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2205 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2206 assert(has_parameter_annotations_field(), "parameter annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2207 return method->obj_field(parameter_annotations_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2208 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2209
a61af66fc99e Initial load
duke
parents:
diff changeset
2210 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2211 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2212 assert(has_parameter_annotations_field(), "parameter annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2213 method->obj_field_put(parameter_annotations_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2214 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2215
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2216 bool java_lang_reflect_Constructor::has_type_annotations_field() {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2217 return (type_annotations_offset >= 0);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2218 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2219
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2220 oop java_lang_reflect_Constructor::type_annotations(oop constructor) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2221 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2222 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2223 return constructor->obj_field(type_annotations_offset);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2224 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2225
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2226 void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2227 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2228 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2229 constructor->obj_field_put(type_annotations_offset, value);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2230 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2231
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2232 void java_lang_reflect_Field::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2233 Klass* k = SystemDictionary::reflect_Field_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2234 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2235 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2236 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2237 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2238 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2239 // The generic signature and annotations fields are only present in 1.5
a61af66fc99e Initial load
duke
parents:
diff changeset
2240 signature_offset = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
2241 annotations_offset = -1;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2242 type_annotations_offset = -1;
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2243 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2244 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature());
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2245 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2246 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2247
a61af66fc99e Initial load
duke
parents:
diff changeset
2248 Handle java_lang_reflect_Field::create(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2249 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2250 Symbol* name = vmSymbols::java_lang_reflect_Field();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2251 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2252 instanceKlassHandle klass (THREAD, k);
a61af66fc99e Initial load
duke
parents:
diff changeset
2253 // Ensure it is initialized
a61af66fc99e Initial load
duke
parents:
diff changeset
2254 klass->initialize(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2255 return klass->allocate_instance_handle(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2256 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2257
a61af66fc99e Initial load
duke
parents:
diff changeset
2258 oop java_lang_reflect_Field::clazz(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2259 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2260 return reflect->obj_field(clazz_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2261 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2262
a61af66fc99e Initial load
duke
parents:
diff changeset
2263 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2264 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2265 reflect->obj_field_put(clazz_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2266 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2267
a61af66fc99e Initial load
duke
parents:
diff changeset
2268 oop java_lang_reflect_Field::name(oop field) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2269 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2270 return field->obj_field(name_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2272
a61af66fc99e Initial load
duke
parents:
diff changeset
2273 void java_lang_reflect_Field::set_name(oop field, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2274 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2275 field->obj_field_put(name_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2276 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2277
a61af66fc99e Initial load
duke
parents:
diff changeset
2278 oop java_lang_reflect_Field::type(oop field) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2279 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2280 return field->obj_field(type_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2281 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2282
a61af66fc99e Initial load
duke
parents:
diff changeset
2283 void java_lang_reflect_Field::set_type(oop field, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2284 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2285 field->obj_field_put(type_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2286 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2287
a61af66fc99e Initial load
duke
parents:
diff changeset
2288 int java_lang_reflect_Field::slot(oop reflect) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2289 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2290 return reflect->int_field(slot_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2291 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2292
a61af66fc99e Initial load
duke
parents:
diff changeset
2293 void java_lang_reflect_Field::set_slot(oop reflect, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2294 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2295 reflect->int_field_put(slot_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2296 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2297
a61af66fc99e Initial load
duke
parents:
diff changeset
2298 int java_lang_reflect_Field::modifiers(oop field) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2299 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2300 return field->int_field(modifiers_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2301 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2302
a61af66fc99e Initial load
duke
parents:
diff changeset
2303 void java_lang_reflect_Field::set_modifiers(oop field, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2304 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2305 field->int_field_put(modifiers_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2306 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2307
a61af66fc99e Initial load
duke
parents:
diff changeset
2308 bool java_lang_reflect_Field::has_signature_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2309 return (signature_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2310 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2311
a61af66fc99e Initial load
duke
parents:
diff changeset
2312 oop java_lang_reflect_Field::signature(oop field) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2313 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2314 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2315 return field->obj_field(signature_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2316 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2317
a61af66fc99e Initial load
duke
parents:
diff changeset
2318 void java_lang_reflect_Field::set_signature(oop field, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2319 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2320 assert(has_signature_field(), "signature field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2321 field->obj_field_put(signature_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2322 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2323
a61af66fc99e Initial load
duke
parents:
diff changeset
2324 bool java_lang_reflect_Field::has_annotations_field() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2325 return (annotations_offset >= 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
2326 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2327
a61af66fc99e Initial load
duke
parents:
diff changeset
2328 oop java_lang_reflect_Field::annotations(oop field) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2329 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2330 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2331 return field->obj_field(annotations_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2332 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2333
a61af66fc99e Initial load
duke
parents:
diff changeset
2334 void java_lang_reflect_Field::set_annotations(oop field, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2335 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
a61af66fc99e Initial load
duke
parents:
diff changeset
2336 assert(has_annotations_field(), "annotations field must be present");
a61af66fc99e Initial load
duke
parents:
diff changeset
2337 field->obj_field_put(annotations_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
2338 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2339
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2340 bool java_lang_reflect_Field::has_type_annotations_field() {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2341 return (type_annotations_offset >= 0);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2342 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2343
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2344 oop java_lang_reflect_Field::type_annotations(oop field) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2345 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2346 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2347 return field->obj_field(type_annotations_offset);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2348 }
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2349
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2350 void java_lang_reflect_Field::set_type_annotations(oop field, oop value) {
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2351 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2352 assert(has_type_annotations_field(), "type_annotations field must be present");
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2353 field->obj_field_put(type_annotations_offset, value);
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
2354 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2355
a61af66fc99e Initial load
duke
parents:
diff changeset
2356 void sun_reflect_ConstantPool::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2357 Klass* k = SystemDictionary::reflect_ConstantPool_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2358 // This null test can be removed post beta
a61af66fc99e Initial load
duke
parents:
diff changeset
2359 if (k != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2360 // The field is called ConstantPool* in the sun.reflect.ConstantPool class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2361 compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2362 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2363 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2364
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2365 void java_lang_reflect_Parameter::compute_offsets() {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2366 Klass* k = SystemDictionary::reflect_Parameter_klass();
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2367 if(NULL != k) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2368 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature());
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2369 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2370 compute_offset(index_offset, k, vmSymbols::index_name(), vmSymbols::int_signature());
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2371 compute_offset(executable_offset, k, vmSymbols::executable_name(), vmSymbols::executable_signature());
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2372 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2373 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2374
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2375 Handle java_lang_reflect_Parameter::create(TRAPS) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2376 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2377 Symbol* name = vmSymbols::java_lang_reflect_Parameter();
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2378 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2379 instanceKlassHandle klass (THREAD, k);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2380 // Ensure it is initialized
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2381 klass->initialize(CHECK_NH);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2382 return klass->allocate_instance_handle(CHECK_NH);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2383 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2384
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2385 oop java_lang_reflect_Parameter::name(oop param) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2386 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2387 return param->obj_field(name_offset);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2388 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2389
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2390 void java_lang_reflect_Parameter::set_name(oop param, oop value) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2391 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2392 param->obj_field_put(name_offset, value);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2393 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2394
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2395 int java_lang_reflect_Parameter::modifiers(oop param) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2396 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2397 return param->int_field(modifiers_offset);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2398 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2399
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2400 void java_lang_reflect_Parameter::set_modifiers(oop param, int value) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2401 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2402 param->int_field_put(modifiers_offset, value);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2403 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2404
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2405 int java_lang_reflect_Parameter::index(oop param) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2406 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2407 return param->int_field(index_offset);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2408 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2409
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2410 void java_lang_reflect_Parameter::set_index(oop param, int value) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2411 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2412 param->int_field_put(index_offset, value);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2413 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2414
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2415 oop java_lang_reflect_Parameter::executable(oop param) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2416 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2417 return param->obj_field(executable_offset);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2418 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2419
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2420 void java_lang_reflect_Parameter::set_executable(oop param, oop value) {
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2421 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2422 param->obj_field_put(executable_offset, value);
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2423 }
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
2424
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2425
a61af66fc99e Initial load
duke
parents:
diff changeset
2426 Handle sun_reflect_ConstantPool::create(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2427 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2428 Klass* k = SystemDictionary::reflect_ConstantPool_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2429 instanceKlassHandle klass (THREAD, k);
a61af66fc99e Initial load
duke
parents:
diff changeset
2430 // Ensure it is initialized
a61af66fc99e Initial load
duke
parents:
diff changeset
2431 klass->initialize(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2432 return klass->allocate_instance_handle(CHECK_NH);
a61af66fc99e Initial load
duke
parents:
diff changeset
2433 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2434
a61af66fc99e Initial load
duke
parents:
diff changeset
2435
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2436 void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2437 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2438 oop mirror = value->pool_holder()->java_mirror();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2439 // Save the mirror to get back the constant pool.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2440 reflect->obj_field_put(_oop_offset, mirror);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2441 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2442
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2443 ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2444 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2445
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2446 oop mirror = reflect->obj_field(_oop_offset);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2447 Klass* k = java_lang_Class::as_Klass(mirror);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2448 assert(k->oop_is_instance(), "Must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2449
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2450 // Get the constant pool back from the klass. Since class redefinition
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2451 // merges the new constant pool into the old, this is essentially the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2452 // same constant pool as the original. If constant pool merging is
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2453 // no longer done in the future, this will have to change to save
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2454 // the original.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2455 return InstanceKlass::cast(k)->constants();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2456 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2457
a61af66fc99e Initial load
duke
parents:
diff changeset
2458 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2459 Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2460 // This null test can be removed post beta
a61af66fc99e Initial load
duke
parents:
diff changeset
2461 if (k != NULL) {
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2462 compute_offset(_base_offset, k,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2463 vmSymbols::base_name(), vmSymbols::object_signature());
a61af66fc99e Initial load
duke
parents:
diff changeset
2464 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2465 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2466
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2467 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2468 Klass* k = SystemDictionary::box_klass(type);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2469 if (k == NULL) return NULL;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2470 instanceKlassHandle h (THREAD, k);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2471 if (!h->is_initialized()) h->initialize(CHECK_0);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2472 return h->allocate_instance(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2473 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2474
a61af66fc99e Initial load
duke
parents:
diff changeset
2475
a61af66fc99e Initial load
duke
parents:
diff changeset
2476 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) {
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2477 oop box = initialize_and_allocate(type, CHECK_0);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2478 if (box == NULL) return NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2479 switch (type) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2480 case T_BOOLEAN:
a61af66fc99e Initial load
duke
parents:
diff changeset
2481 box->bool_field_put(value_offset, value->z);
a61af66fc99e Initial load
duke
parents:
diff changeset
2482 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2483 case T_CHAR:
a61af66fc99e Initial load
duke
parents:
diff changeset
2484 box->char_field_put(value_offset, value->c);
a61af66fc99e Initial load
duke
parents:
diff changeset
2485 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2486 case T_FLOAT:
a61af66fc99e Initial load
duke
parents:
diff changeset
2487 box->float_field_put(value_offset, value->f);
a61af66fc99e Initial load
duke
parents:
diff changeset
2488 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2489 case T_DOUBLE:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2490 box->double_field_put(long_value_offset, value->d);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2491 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2492 case T_BYTE:
a61af66fc99e Initial load
duke
parents:
diff changeset
2493 box->byte_field_put(value_offset, value->b);
a61af66fc99e Initial load
duke
parents:
diff changeset
2494 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2495 case T_SHORT:
a61af66fc99e Initial load
duke
parents:
diff changeset
2496 box->short_field_put(value_offset, value->s);
a61af66fc99e Initial load
duke
parents:
diff changeset
2497 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2498 case T_INT:
a61af66fc99e Initial load
duke
parents:
diff changeset
2499 box->int_field_put(value_offset, value->i);
a61af66fc99e Initial load
duke
parents:
diff changeset
2500 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2501 case T_LONG:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2502 box->long_field_put(long_value_offset, value->j);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2503 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
2504 default:
a61af66fc99e Initial load
duke
parents:
diff changeset
2505 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
2506 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2507 return box;
a61af66fc99e Initial load
duke
parents:
diff changeset
2508 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2509
a61af66fc99e Initial load
duke
parents:
diff changeset
2510
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2511 BasicType java_lang_boxing_object::basic_type(oop box) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2512 if (box == NULL) return T_ILLEGAL;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2513 BasicType type = SystemDictionary::box_klass_type(box->klass());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2514 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2515 return T_ILLEGAL;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2516 return type;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2517 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2518
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2519
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2520 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) {
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2521 BasicType type = SystemDictionary::box_klass_type(box->klass());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2522 switch (type) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2523 case T_BOOLEAN:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2524 value->z = box->bool_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2525 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2526 case T_CHAR:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2527 value->c = box->char_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2528 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2529 case T_FLOAT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2530 value->f = box->float_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2531 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2532 case T_DOUBLE:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2533 value->d = box->double_field(long_value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2534 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2535 case T_BYTE:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2536 value->b = box->byte_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2537 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2538 case T_SHORT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2539 value->s = box->short_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2540 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2541 case T_INT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2542 value->i = box->int_field(value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2543 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2544 case T_LONG:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2545 value->j = box->long_field(long_value_offset);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2546 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2547 default:
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2548 return T_ILLEGAL;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2549 } // end switch
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2550 return type;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2551 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2552
a61af66fc99e Initial load
duke
parents:
diff changeset
2553
a61af66fc99e Initial load
duke
parents:
diff changeset
2554 BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) {
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2555 BasicType type = SystemDictionary::box_klass_type(box->klass());
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2556 switch (type) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2557 case T_BOOLEAN:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2558 box->bool_field_put(value_offset, value->z);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2559 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2560 case T_CHAR:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2561 box->char_field_put(value_offset, value->c);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2562 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2563 case T_FLOAT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2564 box->float_field_put(value_offset, value->f);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2565 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2566 case T_DOUBLE:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2567 box->double_field_put(long_value_offset, value->d);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2568 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2569 case T_BYTE:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2570 box->byte_field_put(value_offset, value->b);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2571 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2572 case T_SHORT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2573 box->short_field_put(value_offset, value->s);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2574 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2575 case T_INT:
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2576 box->int_field_put(value_offset, value->i);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2577 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2578 case T_LONG:
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
2579 box->long_field_put(long_value_offset, value->j);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2580 break;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2581 default:
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2582 return T_ILLEGAL;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2583 } // end switch
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
2584 return type;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2585 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2586
a61af66fc99e Initial load
duke
parents:
diff changeset
2587
665
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2588 void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2589 switch (type) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2590 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2591 case T_CHAR: st->print("%d", value->c); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2592 case T_BYTE: st->print("%d", value->b); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2593 case T_SHORT: st->print("%d", value->s); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2594 case T_INT: st->print("%d", value->i); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2595 case T_LONG: st->print(INT64_FORMAT, value->j); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2596 case T_FLOAT: st->print("%f", value->f); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2597 case T_DOUBLE: st->print("%lf", value->d); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2598 default: st->print("type %d?", type); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2599 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2600 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2601
c89f86385056 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 579
diff changeset
2602
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2603 // Support for java_lang_ref_Reference
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2604 HeapWord *java_lang_ref_Reference::pending_list_lock_addr() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2605 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2606 address addr = ik->static_field_addr(static_lock_offset);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2607 return (HeapWord*) addr;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2608 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2609
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2610 oop java_lang_ref_Reference::pending_list_lock() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2611 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2612 address addr = ik->static_field_addr(static_lock_offset);
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2613 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2614 return oopDesc::load_decode_heap_oop((narrowOop *)addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2615 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2616 return oopDesc::load_decode_heap_oop((oop*)addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2617 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2618 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2619
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2620 HeapWord *java_lang_ref_Reference::pending_list_addr() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2621 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass());
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2622 address addr = ik->static_field_addr(static_pending_offset);
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2623 // XXX This might not be HeapWord aligned, almost rather be char *.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2624 return (HeapWord*)addr;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2625 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2626
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2627 oop java_lang_ref_Reference::pending_list() {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2628 char *addr = (char *)pending_list_addr();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2629 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2630 return oopDesc::load_decode_heap_oop((narrowOop *)addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2631 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2632 return oopDesc::load_decode_heap_oop((oop*)addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
2633 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2634 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2635
a61af66fc99e Initial load
duke
parents:
diff changeset
2636
a61af66fc99e Initial load
duke
parents:
diff changeset
2637 // Support for java_lang_ref_SoftReference
a61af66fc99e Initial load
duke
parents:
diff changeset
2638
a61af66fc99e Initial load
duke
parents:
diff changeset
2639 jlong java_lang_ref_SoftReference::timestamp(oop ref) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2640 return ref->long_field(timestamp_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
2641 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2642
a61af66fc99e Initial load
duke
parents:
diff changeset
2643 jlong java_lang_ref_SoftReference::clock() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2644 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass());
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2645 jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2646 return *offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2647 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2648
a61af66fc99e Initial load
duke
parents:
diff changeset
2649 void java_lang_ref_SoftReference::set_clock(jlong value) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2650 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass());
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2651 jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2357
diff changeset
2652 *offset = value;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2653 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2654
12010
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2655 // Support for java_lang_invoke_DirectMethodHandle
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2656
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2657 int java_lang_invoke_DirectMethodHandle::_member_offset;
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2658
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2659 oop java_lang_invoke_DirectMethodHandle::member(oop dmh) {
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2660 oop member_name = NULL;
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2661 bool is_dmh = dmh->is_oop() && java_lang_invoke_DirectMethodHandle::is_instance(dmh);
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2662 assert(is_dmh, "a DirectMethodHandle oop is expected");
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2663 if (is_dmh) {
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2664 member_name = dmh->obj_field(member_offset_in_bytes());
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2665 }
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2666 return member_name;
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2667 }
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2668
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2669 void java_lang_invoke_DirectMethodHandle::compute_offsets() {
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2670 Klass* klass_oop = SystemDictionary::DirectMethodHandle_klass();
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2671 if (klass_oop != NULL && EnableInvokeDynamic) {
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2672 compute_offset(_member_offset, klass_oop, vmSymbols::member_name(), vmSymbols::java_lang_invoke_MemberName_signature());
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2673 }
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
2674 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2675
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2676 // Support for java_lang_invoke_MethodHandle
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2677
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2678 int java_lang_invoke_MethodHandle::_type_offset;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2679 int java_lang_invoke_MethodHandle::_form_offset;
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2680
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2681 int java_lang_invoke_MemberName::_clazz_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2682 int java_lang_invoke_MemberName::_name_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2683 int java_lang_invoke_MemberName::_type_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2684 int java_lang_invoke_MemberName::_flags_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2685 int java_lang_invoke_MemberName::_vmtarget_offset;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2686 int java_lang_invoke_MemberName::_vmloader_offset;
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2687 int java_lang_invoke_MemberName::_vmindex_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2688
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2689 int java_lang_invoke_LambdaForm::_vmentry_offset;
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3900
diff changeset
2690
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2691 void java_lang_invoke_MethodHandle::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2692 Klass* klass_oop = SystemDictionary::MethodHandle_klass();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2693 if (klass_oop != NULL && EnableInvokeDynamic) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2694 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2695 compute_optional_offset(_form_offset, klass_oop, vmSymbols::form_name(), vmSymbols::java_lang_invoke_LambdaForm_signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2696 if (_form_offset == 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2697 EnableInvokeDynamic = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2698 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2699 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2700 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2701
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2702 void java_lang_invoke_MemberName::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2703 Klass* klass_oop = SystemDictionary::MemberName_klass();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2704 if (klass_oop != NULL && EnableInvokeDynamic) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2705 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature());
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2706 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature());
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2707 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature());
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2708 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature());
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
2709 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2710 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2711 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2712
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2713 void java_lang_invoke_LambdaForm::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2714 Klass* klass_oop = SystemDictionary::LambdaForm_klass();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2715 if (klass_oop != NULL && EnableInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2716 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2717 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2718 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2719
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2720 oop java_lang_invoke_MethodHandle::type(oop mh) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2721 return mh->obj_field(_type_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2722 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2723
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2724 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2725 mh->obj_field_put(_type_offset, mtype);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2726 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2727
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2728 oop java_lang_invoke_MethodHandle::form(oop mh) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2729 assert(_form_offset != 0, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2730 return mh->obj_field(_form_offset);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2731 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2732
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2733 void java_lang_invoke_MethodHandle::set_form(oop mh, oop lform) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2734 assert(_form_offset != 0, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2735 mh->obj_field_put(_form_offset, lform);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2736 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2737
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2738 /// MemberName accessors
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2739
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2740 oop java_lang_invoke_MemberName::clazz(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2741 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2742 return mname->obj_field(_clazz_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2743 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2744
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2745 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2746 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2747 mname->obj_field_put(_clazz_offset, clazz);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2748 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2749
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2750 oop java_lang_invoke_MemberName::name(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2751 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2752 return mname->obj_field(_name_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2753 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2754
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2755 void java_lang_invoke_MemberName::set_name(oop mname, oop name) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2756 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2757 mname->obj_field_put(_name_offset, name);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2758 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2759
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2760 oop java_lang_invoke_MemberName::type(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2761 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2762 return mname->obj_field(_type_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2763 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2764
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2765 void java_lang_invoke_MemberName::set_type(oop mname, oop type) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2766 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2767 mname->obj_field_put(_type_offset, type);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2768 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2769
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2770 int java_lang_invoke_MemberName::flags(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2771 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2772 return mname->int_field(_flags_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2773 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2774
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2775 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2776 assert(is_instance(mname), "wrong type");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2777 mname->int_field_put(_flags_offset, flags);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2778 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2779
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2780 Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2781 assert(is_instance(mname), "wrong type");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2782 return (Metadata*)mname->address_field(_vmtarget_offset);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2783 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2784
20677
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2785 bool java_lang_invoke_MemberName::is_method(oop mname) {
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2786 assert(is_instance(mname), "must be MemberName");
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2787 return (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0;
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2788 }
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2789
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2790 #if INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2791 // Can be executed on VM thread only
20677
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2792 void java_lang_invoke_MemberName::adjust_vmtarget(oop mname, Method* old_method,
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2793 Method* new_method, bool* trace_name_printed) {
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2794 assert(is_method(mname), "wrong type");
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2795 assert(Thread::current()->is_VM_thread(), "not VM thread");
20677
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2796
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2797 Method* target = (Method*)mname->address_field(_vmtarget_offset);
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2798 if (target == old_method) {
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2799 mname->address_field_put(_vmtarget_offset, (address)new_method);
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2800
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2801 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2802 if (!(*trace_name_printed)) {
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2803 // RC_TRACE_MESG macro has an embedded ResourceMark
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2804 RC_TRACE_MESG(("adjust: name=%s",
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2805 old_method->method_holder()->external_name()));
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2806 *trace_name_printed = true;
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2807 }
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2808 // RC_TRACE macro has an embedded ResourceMark
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2809 RC_TRACE(0x00400000, ("MemberName method update: %s(%s)",
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2810 new_method->name()->as_C_string(),
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2811 new_method->signature()->as_C_string()));
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2812 }
fe34c5ab0b35 8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents: 20512
diff changeset
2813 }
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2814 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2815 #endif // INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 7629
diff changeset
2816
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2817 void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2818 assert(is_instance(mname), "wrong type");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2819 // check the type of the vmtarget
7185
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2820 oop dependency = NULL;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2821 if (ref != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2822 switch (flags(mname) & (MN_IS_METHOD |
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2823 MN_IS_CONSTRUCTOR |
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2824 MN_IS_FIELD)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2825 case MN_IS_METHOD:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2826 case MN_IS_CONSTRUCTOR:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2827 assert(ref->is_method(), "should be a method");
7185
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2828 dependency = ((Method*)ref)->method_holder()->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2829 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2830 case MN_IS_FIELD:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2831 assert(ref->is_klass(), "should be a class");
7185
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2832 dependency = ((Klass*)ref)->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2833 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2834 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2835 ShouldNotReachHere();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2836 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2837 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2838 mname->address_field_put(_vmtarget_offset, (address)ref);
7185
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2839 // Add a reference to the loader (actually mirror because anonymous classes will not have
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2840 // distinct loaders) to ensure the metadata is kept alive
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2841 // This mirror may be different than the one in clazz field.
90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 7180
diff changeset
2842 mname->obj_field_put(_vmloader_offset, dependency);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2843 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2844
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2845 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2846 assert(is_instance(mname), "wrong type");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2847 return (intptr_t) mname->address_field(_vmindex_offset);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2848 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2849
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2850 void java_lang_invoke_MemberName::set_vmindex(oop mname, intptr_t index) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2851 assert(is_instance(mname), "wrong type");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2852 mname->address_field_put(_vmindex_offset, (address) index);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2853 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2854
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2855 oop java_lang_invoke_LambdaForm::vmentry(oop lform) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2856 assert(is_instance(lform), "wrong type");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2857 return lform->obj_field(_vmentry_offset);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2858 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2859
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2860
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2861 // Support for java_lang_invoke_MethodType
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2862
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2863 int java_lang_invoke_MethodType::_rtype_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2864 int java_lang_invoke_MethodType::_ptypes_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2865
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2866 void java_lang_invoke_MethodType::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2867 Klass* k = SystemDictionary::MethodType_klass();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2868 if (k != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2869 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature());
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2870 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature());
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2871 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2872 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2873
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2874 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2875 st->print("(");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2876 objArrayOop pts = ptypes(mt);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2877 for (int i = 0, limit = pts->length(); i < limit; i++) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2878 java_lang_Class::print_signature(pts->obj_at(i), st);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2879 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2880 st->print(")");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2881 java_lang_Class::print_signature(rtype(mt), st);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2882 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2883
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2884 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2885 ResourceMark rm;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2886 stringStream buffer(128);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2887 print_signature(mt, &buffer);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2888 const char* sigstr = buffer.base();
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2889 int siglen = (int) buffer.size();
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2890 Symbol *name;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2891 if (!intern_if_not_found) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2892 name = SymbolTable::probe(sigstr, siglen);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2893 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2894 name = SymbolTable::new_symbol(sigstr, siglen, THREAD);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2895 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
2896 return name;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2897 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2898
3461
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2899 bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2900 if (mt1 == mt2)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2901 return true;
3461
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2902 if (rtype(mt1) != rtype(mt2))
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2903 return false;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2904 if (ptype_count(mt1) != ptype_count(mt2))
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2905 return false;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2906 for (int i = ptype_count(mt1) - 1; i >= 0; i--) {
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2907 if (ptype(mt1, i) != ptype(mt2, i))
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2908 return false;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2909 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2910 return true;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2911 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3363
diff changeset
2912
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2913 oop java_lang_invoke_MethodType::rtype(oop mt) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2914 assert(is_instance(mt), "must be a MethodType");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2915 return mt->obj_field(_rtype_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2916 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2917
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2918 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2919 assert(is_instance(mt), "must be a MethodType");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2920 return (objArrayOop) mt->obj_field(_ptypes_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2921 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2922
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2923 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2924 return ptypes(mt)->obj_at(idx);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2925 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2926
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2927 int java_lang_invoke_MethodType::ptype_count(oop mt) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 1096
diff changeset
2928 return ptypes(mt)->length();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 1096
diff changeset
2929 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 1096
diff changeset
2930
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2931 int java_lang_invoke_MethodType::ptype_slot_count(oop mt) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2932 objArrayOop pts = ptypes(mt);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2933 int count = pts->length();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2934 int slots = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2935 for (int i = 0; i < count; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2936 BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2937 slots += type2size[bt];
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2938 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2939 return slots;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2940 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2941
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2942 int java_lang_invoke_MethodType::rtype_slot_count(oop mt) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2943 BasicType bt = java_lang_Class::as_BasicType(rtype(mt));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
2944 return type2size[bt];
1793
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1552
diff changeset
2945 }
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1552
diff changeset
2946
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2947
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2948 // Support for java_lang_invoke_CallSite
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2949
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2950 int java_lang_invoke_CallSite::_target_offset;
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2951
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2952 void java_lang_invoke_CallSite::compute_offsets() {
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
2953 if (!EnableInvokeDynamic) return;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2954 Klass* k = SystemDictionary::CallSite_klass();
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
2955 if (k != NULL) {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2956 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
2957 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
2958 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
2959
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
2960
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2961 // Support for java_security_AccessControlContext
a61af66fc99e Initial load
duke
parents:
diff changeset
2962
a61af66fc99e Initial load
duke
parents:
diff changeset
2963 int java_security_AccessControlContext::_context_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
2964 int java_security_AccessControlContext::_privilegedContext_offset = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
2965 int java_security_AccessControlContext::_isPrivileged_offset = 0;
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2966 int java_security_AccessControlContext::_isAuthorized_offset = -1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2967
a61af66fc99e Initial load
duke
parents:
diff changeset
2968 void java_security_AccessControlContext::compute_offsets() {
a61af66fc99e Initial load
duke
parents:
diff changeset
2969 assert(_isPrivileged_offset == 0, "offsets should be initialized only once");
a61af66fc99e Initial load
duke
parents:
diff changeset
2970 fieldDescriptor fd;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
2971 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2972
a61af66fc99e Initial load
duke
parents:
diff changeset
2973 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2974 fatal("Invalid layout of java.security.AccessControlContext");
a61af66fc99e Initial load
duke
parents:
diff changeset
2975 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2976 _context_offset = fd.offset();
a61af66fc99e Initial load
duke
parents:
diff changeset
2977
a61af66fc99e Initial load
duke
parents:
diff changeset
2978 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2979 fatal("Invalid layout of java.security.AccessControlContext");
a61af66fc99e Initial load
duke
parents:
diff changeset
2980 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2981 _privilegedContext_offset = fd.offset();
a61af66fc99e Initial load
duke
parents:
diff changeset
2982
a61af66fc99e Initial load
duke
parents:
diff changeset
2983 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
2984 fatal("Invalid layout of java.security.AccessControlContext");
a61af66fc99e Initial load
duke
parents:
diff changeset
2985 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2986 _isPrivileged_offset = fd.offset();
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2987
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2988 // The offset may not be present for bootstrapping with older JDK.
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2989 if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) {
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2990 _isAuthorized_offset = fd.offset();
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2991 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
2992 }
a61af66fc99e Initial load
duke
parents:
diff changeset
2993
a61af66fc99e Initial load
duke
parents:
diff changeset
2994
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2995 bool java_security_AccessControlContext::is_authorized(Handle context) {
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2996 assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type");
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2997 assert(_isAuthorized_offset != -1, "should be set");
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2998 return context->bool_field(_isAuthorized_offset) != 0;
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
2999 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3000
a61af66fc99e Initial load
duke
parents:
diff changeset
3001 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3002 assert(_isPrivileged_offset != 0, "offsets should have been initialized");
a61af66fc99e Initial load
duke
parents:
diff changeset
3003 // Ensure klass is initialized
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3004 InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3005 // Allocate result
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3006 oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3007 // Fill in values
a61af66fc99e Initial load
duke
parents:
diff changeset
3008 result->obj_field_put(_context_offset, context());
a61af66fc99e Initial load
duke
parents:
diff changeset
3009 result->obj_field_put(_privilegedContext_offset, privileged_context());
a61af66fc99e Initial load
duke
parents:
diff changeset
3010 result->bool_field_put(_isPrivileged_offset, isPrivileged);
11011
be131aa5a529 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 11010
diff changeset
3011 // whitelist AccessControlContexts created by the JVM if present
be131aa5a529 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 11010
diff changeset
3012 if (_isAuthorized_offset != -1) {
be131aa5a529 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 11010
diff changeset
3013 result->bool_field_put(_isAuthorized_offset, true);
be131aa5a529 8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents: 11010
diff changeset
3014 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3015 return result;
a61af66fc99e Initial load
duke
parents:
diff changeset
3016 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3017
a61af66fc99e Initial load
duke
parents:
diff changeset
3018
a61af66fc99e Initial load
duke
parents:
diff changeset
3019 // Support for java_lang_ClassLoader
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3020
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3021 bool java_lang_ClassLoader::offsets_computed = false;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3022 int java_lang_ClassLoader::_loader_data_offset = -1;
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3023 int java_lang_ClassLoader::parallelCapable_offset = -1;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3024
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3025 ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3026 assert(loader != NULL && loader->is_oop(), "loader must be oop");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3027 return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3028 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3029
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3030 ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3031 return *java_lang_ClassLoader::loader_data_addr(loader);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3032 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3033
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3034 void java_lang_ClassLoader::compute_offsets() {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3035 assert(!offsets_computed, "offsets should be initialized only once");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3036 offsets_computed = true;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3037
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3038 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3039 Klass* k1 = SystemDictionary::ClassLoader_klass();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3040 compute_optional_offset(parallelCapable_offset,
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3041 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3042
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3043 CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET);
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3044 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3045
a61af66fc99e Initial load
duke
parents:
diff changeset
3046 oop java_lang_ClassLoader::parent(oop loader) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3047 assert(is_instance(loader), "loader must be oop");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3048 return loader->obj_field(parent_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
3049 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3050
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3051 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3052 assert(is_instance(loader), "loader must be oop");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3053 assert(cl == NULL || is_instance(cl), "cl argument must be oop");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3054 oop acl = loader;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3055 debug_only(jint loop_count = 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3056 // This loop taken verbatim from ClassLoader.java:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3057 do {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3058 acl = parent(acl);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3059 if (cl == acl) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3060 return true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3061 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3062 assert(++loop_count > 0, "loop_count overflow");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3063 } while (acl != NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3064 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3065 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3066
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3067
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3068 // For class loader classes, parallelCapable defined
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3069 // based on non-null field
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3070 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3071 bool java_lang_ClassLoader::parallelCapable(oop class_loader) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3072 if (!JDK_Version::is_gte_jdk17x_version()
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3073 || parallelCapable_offset == -1) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3074 // Default for backward compatibility is false
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3075 return false;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3076 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3077 return (class_loader->obj_field(parallelCapable_offset) != NULL);
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3078 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3079
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3080 bool java_lang_ClassLoader::is_trusted_loader(oop loader) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3081 // Fix for 4474172; see evaluation for more details
a61af66fc99e Initial load
duke
parents:
diff changeset
3082 loader = non_reflection_class_loader(loader);
a61af66fc99e Initial load
duke
parents:
diff changeset
3083
a61af66fc99e Initial load
duke
parents:
diff changeset
3084 oop cl = SystemDictionary::java_system_loader();
a61af66fc99e Initial load
duke
parents:
diff changeset
3085 while(cl != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3086 if (cl == loader) return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
3087 cl = parent(cl);
a61af66fc99e Initial load
duke
parents:
diff changeset
3088 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3089 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3090 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3091
a61af66fc99e Initial load
duke
parents:
diff changeset
3092 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3093 if (loader != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3094 // See whether this is one of the class loaders associated with
a61af66fc99e Initial load
duke
parents:
diff changeset
3095 // the generated bytecodes for reflection, and if so, "magically"
a61af66fc99e Initial load
duke
parents:
diff changeset
3096 // delegate to its parent to prevent class loading from occurring
a61af66fc99e Initial load
duke
parents:
diff changeset
3097 // in places where applications using reflection didn't expect it.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3098 Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3099 // This might be null in non-1.4 JDKs
a61af66fc99e Initial load
duke
parents:
diff changeset
3100 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3101 return parent(loader);
a61af66fc99e Initial load
duke
parents:
diff changeset
3102 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3103 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3104 return loader;
a61af66fc99e Initial load
duke
parents:
diff changeset
3105 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3106
a61af66fc99e Initial load
duke
parents:
diff changeset
3107
a61af66fc99e Initial load
duke
parents:
diff changeset
3108 // Support for java_lang_System
a61af66fc99e Initial load
duke
parents:
diff changeset
3109 int java_lang_System::in_offset_in_bytes() {
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
3110 return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3111 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3112
a61af66fc99e Initial load
duke
parents:
diff changeset
3113
a61af66fc99e Initial load
duke
parents:
diff changeset
3114 int java_lang_System::out_offset_in_bytes() {
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
3115 return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3116 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3117
a61af66fc99e Initial load
duke
parents:
diff changeset
3118
a61af66fc99e Initial load
duke
parents:
diff changeset
3119 int java_lang_System::err_offset_in_bytes() {
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
3120 return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3121 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3122
a61af66fc99e Initial load
duke
parents:
diff changeset
3123
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3124 bool java_lang_System::has_security_manager() {
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3125 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass());
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3126 address addr = ik->static_field_addr(static_security_offset);
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3127 if (UseCompressedOops) {
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3128 return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL;
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3129 } else {
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3130 return oopDesc::load_decode_heap_oop((oop*)addr) != NULL;
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3131 }
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3132 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3133
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3134 int java_lang_Class::_klass_offset;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3135 int java_lang_Class::_array_klass_offset;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3136 int java_lang_Class::_oop_size_offset;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3137 int java_lang_Class::_static_oop_field_count_offset;
20415
47e3110c47e8 6642881: Improve performance of Class.getClassLoader()
coleenp
parents: 20261
diff changeset
3138 int java_lang_Class::_class_loader_offset;
10343
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
3139 int java_lang_Class::_protection_domain_offset;
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
3140 int java_lang_Class::_init_lock_offset;
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents: 10155
diff changeset
3141 int java_lang_Class::_signers_offset;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3142 GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3143 int java_lang_Throwable::backtrace_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3144 int java_lang_Throwable::detailMessage_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3145 int java_lang_Throwable::cause_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3146 int java_lang_Throwable::stackTrace_offset;
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
3147 int java_lang_Throwable::static_unassigned_stacktrace_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3148 int java_lang_reflect_AccessibleObject::override_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3149 int java_lang_reflect_Method::clazz_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3150 int java_lang_reflect_Method::name_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3151 int java_lang_reflect_Method::returnType_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3152 int java_lang_reflect_Method::parameterTypes_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3153 int java_lang_reflect_Method::exceptionTypes_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3154 int java_lang_reflect_Method::slot_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3155 int java_lang_reflect_Method::modifiers_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3156 int java_lang_reflect_Method::signature_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3157 int java_lang_reflect_Method::annotations_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3158 int java_lang_reflect_Method::parameter_annotations_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3159 int java_lang_reflect_Method::annotation_default_offset;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
3160 int java_lang_reflect_Method::type_annotations_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3161 int java_lang_reflect_Constructor::clazz_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3162 int java_lang_reflect_Constructor::parameterTypes_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3163 int java_lang_reflect_Constructor::exceptionTypes_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3164 int java_lang_reflect_Constructor::slot_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3165 int java_lang_reflect_Constructor::modifiers_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3166 int java_lang_reflect_Constructor::signature_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3167 int java_lang_reflect_Constructor::annotations_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3168 int java_lang_reflect_Constructor::parameter_annotations_offset;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
3169 int java_lang_reflect_Constructor::type_annotations_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3170 int java_lang_reflect_Field::clazz_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3171 int java_lang_reflect_Field::name_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3172 int java_lang_reflect_Field::type_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3173 int java_lang_reflect_Field::slot_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3174 int java_lang_reflect_Field::modifiers_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3175 int java_lang_reflect_Field::signature_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3176 int java_lang_reflect_Field::annotations_offset;
7457
35431a769282 8004823: Add VM support for type annotation reflection
stefank
parents: 7185
diff changeset
3177 int java_lang_reflect_Field::type_annotations_offset;
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3178 int java_lang_reflect_Parameter::name_offset;
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3179 int java_lang_reflect_Parameter::modifiers_offset;
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3180 int java_lang_reflect_Parameter::index_offset;
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3181 int java_lang_reflect_Parameter::executable_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3182 int java_lang_boxing_object::value_offset;
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3183 int java_lang_boxing_object::long_value_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3184 int java_lang_ref_Reference::referent_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3185 int java_lang_ref_Reference::queue_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3186 int java_lang_ref_Reference::next_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3187 int java_lang_ref_Reference::discovered_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3188 int java_lang_ref_Reference::static_lock_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3189 int java_lang_ref_Reference::static_pending_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3190 int java_lang_ref_Reference::number_of_fake_oop_fields;
a61af66fc99e Initial load
duke
parents:
diff changeset
3191 int java_lang_ref_SoftReference::timestamp_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3192 int java_lang_ref_SoftReference::static_clock_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3193 int java_lang_ClassLoader::parent_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3194 int java_lang_System::static_in_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3195 int java_lang_System::static_out_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3196 int java_lang_System::static_err_offset;
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3197 int java_lang_System::static_security_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3198 int java_lang_StackTraceElement::declaringClass_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3199 int java_lang_StackTraceElement::methodName_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3200 int java_lang_StackTraceElement::fileName_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3201 int java_lang_StackTraceElement::lineNumber_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3202 int java_lang_AssertionStatusDirectives::classes_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3203 int java_lang_AssertionStatusDirectives::classEnabled_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3204 int java_lang_AssertionStatusDirectives::packages_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3205 int java_lang_AssertionStatusDirectives::packageEnabled_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3206 int java_lang_AssertionStatusDirectives::deflt_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3207 int java_nio_Buffer::_limit_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3208 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3209 int sun_reflect_ConstantPool::_oop_offset;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3210 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3211
a61af66fc99e Initial load
duke
parents:
diff changeset
3212
a61af66fc99e Initial load
duke
parents:
diff changeset
3213 // Support for java_lang_StackTraceElement
a61af66fc99e Initial load
duke
parents:
diff changeset
3214
a61af66fc99e Initial load
duke
parents:
diff changeset
3215 void java_lang_StackTraceElement::set_fileName(oop element, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3216 element->obj_field_put(fileName_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
3217 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3218
a61af66fc99e Initial load
duke
parents:
diff changeset
3219 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3220 element->obj_field_put(declaringClass_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
3221 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3222
a61af66fc99e Initial load
duke
parents:
diff changeset
3223 void java_lang_StackTraceElement::set_methodName(oop element, oop value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3224 element->obj_field_put(methodName_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
3225 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3226
a61af66fc99e Initial load
duke
parents:
diff changeset
3227 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3228 element->int_field_put(lineNumber_offset, value);
a61af66fc99e Initial load
duke
parents:
diff changeset
3229 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3230
a61af66fc99e Initial load
duke
parents:
diff changeset
3231
a61af66fc99e Initial load
duke
parents:
diff changeset
3232 // Support for java Assertions - java_lang_AssertionStatusDirectives.
a61af66fc99e Initial load
duke
parents:
diff changeset
3233
a61af66fc99e Initial load
duke
parents:
diff changeset
3234 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3235 o->obj_field_put(classes_offset, val);
a61af66fc99e Initial load
duke
parents:
diff changeset
3236 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3237
a61af66fc99e Initial load
duke
parents:
diff changeset
3238 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3239 o->obj_field_put(classEnabled_offset, val);
a61af66fc99e Initial load
duke
parents:
diff changeset
3240 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3241
a61af66fc99e Initial load
duke
parents:
diff changeset
3242 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3243 o->obj_field_put(packages_offset, val);
a61af66fc99e Initial load
duke
parents:
diff changeset
3244 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3245
a61af66fc99e Initial load
duke
parents:
diff changeset
3246 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3247 o->obj_field_put(packageEnabled_offset, val);
a61af66fc99e Initial load
duke
parents:
diff changeset
3248 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3249
a61af66fc99e Initial load
duke
parents:
diff changeset
3250 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3251 o->bool_field_put(deflt_offset, val);
a61af66fc99e Initial load
duke
parents:
diff changeset
3252 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3253
a61af66fc99e Initial load
duke
parents:
diff changeset
3254
a61af66fc99e Initial load
duke
parents:
diff changeset
3255 // Support for intrinsification of java.nio.Buffer.checkIndex
a61af66fc99e Initial load
duke
parents:
diff changeset
3256 int java_nio_Buffer::limit_offset() {
a61af66fc99e Initial load
duke
parents:
diff changeset
3257 return _limit_offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
3258 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3259
a61af66fc99e Initial load
duke
parents:
diff changeset
3260
a61af66fc99e Initial load
duke
parents:
diff changeset
3261 void java_nio_Buffer::compute_offsets() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3262 Klass* k = SystemDictionary::nio_Buffer_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3263 assert(k != NULL, "must be loaded in 1.4+");
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3264 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3265 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3266
a61af66fc99e Initial load
duke
parents:
diff changeset
3267 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3268 if (_owner_offset != 0) return;
a61af66fc99e Initial load
duke
parents:
diff changeset
3269
a61af66fc99e Initial load
duke
parents:
diff changeset
3270 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later");
a61af66fc99e Initial load
duke
parents:
diff changeset
3271 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3272 Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass();
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3273 compute_offset(_owner_offset, k,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3274 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature());
a61af66fc99e Initial load
duke
parents:
diff changeset
3275 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3276
a61af66fc99e Initial load
duke
parents:
diff changeset
3277 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3278 assert(_owner_offset != 0, "Must be initialized");
a61af66fc99e Initial load
duke
parents:
diff changeset
3279 return obj->obj_field(_owner_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
3280 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3281
a61af66fc99e Initial load
duke
parents:
diff changeset
3282 // Compute hard-coded offsets
a61af66fc99e Initial load
duke
parents:
diff changeset
3283 // Invoked before SystemDictionary::initialize, so pre-loaded classes
a61af66fc99e Initial load
duke
parents:
diff changeset
3284 // are not available to determine the offset_of_static_fields.
a61af66fc99e Initial load
duke
parents:
diff changeset
3285 void JavaClasses::compute_hard_coded_offsets() {
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 98
diff changeset
3286 const int x = heapOopSize;
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3287 const int header = instanceOopDesc::base_offset_in_bytes();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3288
a61af66fc99e Initial load
duke
parents:
diff changeset
3289 // Throwable Class
a61af66fc99e Initial load
duke
parents:
diff changeset
3290 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3291 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3292 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3293 java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header;
3820
0b80db433fcb 7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents: 3795
diff changeset
3294 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3295
a61af66fc99e Initial load
duke
parents:
diff changeset
3296 // java_lang_boxing_object
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3297 java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header;
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3298 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3299
a61af66fc99e Initial load
duke
parents:
diff changeset
3300 // java_lang_ref_Reference:
a61af66fc99e Initial load
duke
parents:
diff changeset
3301 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3302 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3303 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3304 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3305 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x;
a61af66fc99e Initial load
duke
parents:
diff changeset
3306 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x;
a61af66fc99e Initial load
duke
parents:
diff changeset
3307 // Artificial fields for java_lang_ref_Reference
a61af66fc99e Initial load
duke
parents:
diff changeset
3308 // The first field is for the discovered field added in 1.4
a61af66fc99e Initial load
duke
parents:
diff changeset
3309 java_lang_ref_Reference::number_of_fake_oop_fields = 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
3310
a61af66fc99e Initial load
duke
parents:
diff changeset
3311 // java_lang_ref_SoftReference Class
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3312 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3313 // Don't multiply static fields because they are always in wordSize units
a61af66fc99e Initial load
duke
parents:
diff changeset
3314 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x;
a61af66fc99e Initial load
duke
parents:
diff changeset
3315
a61af66fc99e Initial load
duke
parents:
diff changeset
3316 // java_lang_ClassLoader
a61af66fc99e Initial load
duke
parents:
diff changeset
3317 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3318
a61af66fc99e Initial load
duke
parents:
diff changeset
3319 // java_lang_System
a61af66fc99e Initial load
duke
parents:
diff changeset
3320 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x;
a61af66fc99e Initial load
duke
parents:
diff changeset
3321 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x;
a61af66fc99e Initial load
duke
parents:
diff changeset
3322 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x;
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3323 java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3324
a61af66fc99e Initial load
duke
parents:
diff changeset
3325 // java_lang_StackTraceElement
a61af66fc99e Initial load
duke
parents:
diff changeset
3326 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3327 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3328 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3329 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3330 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3331 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3332 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3333 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3334 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header;
a61af66fc99e Initial load
duke
parents:
diff changeset
3335
a61af66fc99e Initial load
duke
parents:
diff changeset
3336 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3337
a61af66fc99e Initial load
duke
parents:
diff changeset
3338
a61af66fc99e Initial load
duke
parents:
diff changeset
3339 // Compute non-hard-coded field offsets of all the classes in this file
a61af66fc99e Initial load
duke
parents:
diff changeset
3340 void JavaClasses::compute_offsets() {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3341 // java_lang_Class::compute_offsets was called earlier in bootstrap
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3342 java_lang_ClassLoader::compute_offsets();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3343 java_lang_Thread::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3344 java_lang_ThreadGroup::compute_offsets();
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 2379
diff changeset
3345 if (EnableInvokeDynamic) {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
3346 java_lang_invoke_MethodHandle::compute_offsets();
12010
ca0165daa6ec 7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents: 11020
diff changeset
3347 java_lang_invoke_DirectMethodHandle::compute_offsets();
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
3348 java_lang_invoke_MemberName::compute_offsets();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3349 java_lang_invoke_LambdaForm::compute_offsets();
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
3350 java_lang_invoke_MethodType::compute_offsets();
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
3351 java_lang_invoke_CallSite::compute_offsets();
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
3352 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3353 java_security_AccessControlContext::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3354 // Initialize reflection classes. The layouts of these classes
a61af66fc99e Initial load
duke
parents:
diff changeset
3355 // changed with the new reflection implementation in JDK 1.4, and
a61af66fc99e Initial load
duke
parents:
diff changeset
3356 // since the Universe doesn't know what JDK version it is until this
a61af66fc99e Initial load
duke
parents:
diff changeset
3357 // point we defer computation of these offsets until now.
a61af66fc99e Initial load
duke
parents:
diff changeset
3358 java_lang_reflect_AccessibleObject::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3359 java_lang_reflect_Method::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3360 java_lang_reflect_Constructor::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3361 java_lang_reflect_Field::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3362 if (JDK_Version::is_gte_jdk14x_version()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3363 java_nio_Buffer::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3364 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3365 if (JDK_Version::is_gte_jdk15x_version()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3366 sun_reflect_ConstantPool::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3367 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3368 }
7462
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3369 if (JDK_Version::is_jdk18x_version())
ade95d680b42 8004728: Add hotspot support for parameter reflection
coleenp
parents: 7458
diff changeset
3370 java_lang_reflect_Parameter::compute_offsets();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
3371
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
3372 // generated interpreter code wants to know about the offsets we just computed:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 665
diff changeset
3373 AbstractAssembler::update_delayed_values();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3374 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3375
a61af66fc99e Initial load
duke
parents:
diff changeset
3376 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
3377
a61af66fc99e Initial load
duke
parents:
diff changeset
3378 // These functions exist to assert the validity of hard-coded field offsets to guard
a61af66fc99e Initial load
duke
parents:
diff changeset
3379 // against changes in the class files
a61af66fc99e Initial load
duke
parents:
diff changeset
3380
a61af66fc99e Initial load
duke
parents:
diff changeset
3381 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3382 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
3383 fieldDescriptor fd;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3384 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3385 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3386 instanceKlassHandle h_klass (THREAD, k);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3387 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3388 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3389 if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3390 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
3391 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3392 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3393 if (fd.is_static()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3394 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
3395 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3396 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3397 if (fd.offset() == hardcoded_offset ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3398 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
3399 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
3400 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.",
a61af66fc99e Initial load
duke
parents:
diff changeset
3401 klass_name, field_name, hardcoded_offset, fd.offset());
a61af66fc99e Initial load
duke
parents:
diff changeset
3402 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3403 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3404 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3405
a61af66fc99e Initial load
duke
parents:
diff changeset
3406
a61af66fc99e Initial load
duke
parents:
diff changeset
3407 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3408 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
3409 fieldDescriptor fd;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3410 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3411 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3412 instanceKlassHandle h_klass (THREAD, k);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3413 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3414 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3415 if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3416 tty->print_cr("Static field %s.%s not found", klass_name, field_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
3417 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3418 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3419 if (!fd.is_static()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3420 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
3421 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3422 }
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
3423 if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3424 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
3425 } else {
6735
aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 6725
diff changeset
3426 tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - InstanceMirrorKlass::offset_of_static_fields());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3427 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
3428 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3429 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3430
a61af66fc99e Initial load
duke
parents:
diff changeset
3431
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3432 bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3433 EXCEPTION_MARK;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3434 fieldDescriptor fd;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3435 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3436 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3437 instanceKlassHandle h_klass (THREAD, k);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3438 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3439 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1989
diff changeset
3440 if (!h_klass->find_local_field(f_name, f_sig, &fd)) {
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3441 tty->print_cr("Static field %s.%s not found", klass_name, field_name);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3442 return false;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3443 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3444 if (!fd.is_static() || !fd.has_initial_value()) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3445 tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3446 return false;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3447 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3448 if (!fd.initial_value_tag().is_int()) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3449 tty->print_cr("Static field %s.%s is not an int", klass_name, field_name);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3450 return false;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3451 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3452 jint field_value = fd.int_initial_value();
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3453 if (field_value == hardcoded_constant) {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3454 return true;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3455 } else {
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3456 tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value);
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3457 return false;
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3458 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3459 }
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3460
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3461
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3462 // Check the hard-coded field offsets of all the classes in this file
a61af66fc99e Initial load
duke
parents:
diff changeset
3463
a61af66fc99e Initial load
duke
parents:
diff changeset
3464 void JavaClasses::check_offsets() {
a61af66fc99e Initial load
duke
parents:
diff changeset
3465 bool valid = true;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3466 HandleMark hm;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3467
a61af66fc99e Initial load
duke
parents:
diff changeset
3468 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
a61af66fc99e Initial load
duke
parents:
diff changeset
3469 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig)
a61af66fc99e Initial load
duke
parents:
diff changeset
3470
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3471 #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3472 valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig)
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3473
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3474 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
a61af66fc99e Initial load
duke
parents:
diff changeset
3475 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig)
a61af66fc99e Initial load
duke
parents:
diff changeset
3476
132
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3477 #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3478 valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig)
60b728ec77c1 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 113
diff changeset
3479
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3480 // java.lang.String
a61af66fc99e Initial load
duke
parents:
diff changeset
3481
a61af66fc99e Initial load
duke
parents:
diff changeset
3482 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C");
6057
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3483 if (java_lang_String::has_offset_field()) {
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3484 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I");
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3485 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I");
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3486 }
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3487 if (java_lang_String::has_hash_field()) {
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3488 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I");
8f972594effc 6924259: Remove String.count/String.offset
kvn
parents: 4817
diff changeset
3489 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3490
a61af66fc99e Initial load
duke
parents:
diff changeset
3491 // java.lang.Class
a61af66fc99e Initial load
duke
parents:
diff changeset
3492
a61af66fc99e Initial load
duke
parents:
diff changeset
3493 // Fake fields
a61af66fc99e Initial load
duke
parents:
diff changeset
3494 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked
a61af66fc99e Initial load
duke
parents:
diff changeset
3495 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked
a61af66fc99e Initial load
duke
parents:
diff changeset
3496
a61af66fc99e Initial load
duke
parents:
diff changeset
3497 // java.lang.Throwable
a61af66fc99e Initial load
duke
parents:
diff changeset
3498
a61af66fc99e Initial load
duke
parents:
diff changeset
3499 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3500 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3501 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3502 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3503
a61af66fc99e Initial load
duke
parents:
diff changeset
3504 // Boxed primitive objects (java_lang_boxing_object)
a61af66fc99e Initial load
duke
parents:
diff changeset
3505
a61af66fc99e Initial load
duke
parents:
diff changeset
3506 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z");
a61af66fc99e Initial load
duke
parents:
diff changeset
3507 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C");
a61af66fc99e Initial load
duke
parents:
diff changeset
3508 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F");
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3509 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3510 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B");
a61af66fc99e Initial load
duke
parents:
diff changeset
3511 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S");
a61af66fc99e Initial load
duke
parents:
diff changeset
3512 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I");
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 132
diff changeset
3513 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3514
a61af66fc99e Initial load
duke
parents:
diff changeset
3515 // java.lang.ClassLoader
a61af66fc99e Initial load
duke
parents:
diff changeset
3516
a61af66fc99e Initial load
duke
parents:
diff changeset
3517 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3518
a61af66fc99e Initial load
duke
parents:
diff changeset
3519 // java.lang.System
a61af66fc99e Initial load
duke
parents:
diff changeset
3520
a61af66fc99e Initial load
duke
parents:
diff changeset
3521 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3522 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3523 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;");
11010
b295e132102d 8001330: Improve on checking order
mullan
parents: 7629
diff changeset
3524 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3525
a61af66fc99e Initial load
duke
parents:
diff changeset
3526 // java.lang.StackTraceElement
a61af66fc99e Initial load
duke
parents:
diff changeset
3527
a61af66fc99e Initial load
duke
parents:
diff changeset
3528 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3529 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3530 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3531 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I");
a61af66fc99e Initial load
duke
parents:
diff changeset
3532
a61af66fc99e Initial load
duke
parents:
diff changeset
3533 // java.lang.ref.Reference
a61af66fc99e Initial load
duke
parents:
diff changeset
3534
a61af66fc99e Initial load
duke
parents:
diff changeset
3535 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3536 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3537 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3538 // Fake field
a61af66fc99e Initial load
duke
parents:
diff changeset
3539 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3540 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3541 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;");
a61af66fc99e Initial load
duke
parents:
diff changeset
3542
a61af66fc99e Initial load
duke
parents:
diff changeset
3543 // java.lang.ref.SoftReference
a61af66fc99e Initial load
duke
parents:
diff changeset
3544
a61af66fc99e Initial load
duke
parents:
diff changeset
3545 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J");
a61af66fc99e Initial load
duke
parents:
diff changeset
3546 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J");
a61af66fc99e Initial load
duke
parents:
diff changeset
3547
a61af66fc99e Initial load
duke
parents:
diff changeset
3548 // java.lang.AssertionStatusDirectives
a61af66fc99e Initial load
duke
parents:
diff changeset
3549 //
a61af66fc99e Initial load
duke
parents:
diff changeset
3550 // The CheckAssertionStatusDirectives boolean can be removed from here and
a61af66fc99e Initial load
duke
parents:
diff changeset
3551 // globals.hpp after the AssertionStatusDirectives class has been integrated
a61af66fc99e Initial load
duke
parents:
diff changeset
3552 // into merlin "for some time." Without it, the vm will fail with early
a61af66fc99e Initial load
duke
parents:
diff changeset
3553 // merlin builds.
a61af66fc99e Initial load
duke
parents:
diff changeset
3554
a61af66fc99e Initial load
duke
parents:
diff changeset
3555 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
3556 const char* nm = "java/lang/AssertionStatusDirectives";
a61af66fc99e Initial load
duke
parents:
diff changeset
3557 const char* sig = "[Ljava/lang/String;";
a61af66fc99e Initial load
duke
parents:
diff changeset
3558 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig);
a61af66fc99e Initial load
duke
parents:
diff changeset
3559 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z");
a61af66fc99e Initial load
duke
parents:
diff changeset
3560 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig);
a61af66fc99e Initial load
duke
parents:
diff changeset
3561 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z");
a61af66fc99e Initial load
duke
parents:
diff changeset
3562 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z");
a61af66fc99e Initial load
duke
parents:
diff changeset
3563 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3564
a61af66fc99e Initial load
duke
parents:
diff changeset
3565 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed");
a61af66fc99e Initial load
duke
parents:
diff changeset
3566 }
a61af66fc99e Initial load
duke
parents:
diff changeset
3567
a61af66fc99e Initial load
duke
parents:
diff changeset
3568 #endif // PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
3569
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3570 int InjectedField::compute_offset() {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3571 Klass* klass_oop = klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3572 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3573 if (!may_be_java && !fs.access_flags().is_internal()) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3574 // Only look at injected fields
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3575 continue;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3576 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3577 if (fs.name() == name() && fs.signature() == signature()) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3578 return fs.offset();
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3579 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3580 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3581 ResourceMark rm;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3582 tty->print_cr("Invalid layout of %s at %s/%s%s", InstanceKlass::cast(klass_oop)->external_name(), name()->as_C_string(), signature()->as_C_string(), may_be_java ? " (may_be_java)" : "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3583 #ifndef PRODUCT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3584 klass_oop->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3585 tty->print_cr("all fields:");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6267
diff changeset
3586 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3587 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3588 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
3589 #endif //PRODUCT
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3590 fatal("Invalid layout of preloaded class");
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3591 return -1;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3592 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 3932
diff changeset
3593
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3594 void javaClasses_init() {
a61af66fc99e Initial load
duke
parents:
diff changeset
3595 JavaClasses::compute_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3596 JavaClasses::check_offsets();
a61af66fc99e Initial load
duke
parents:
diff changeset
3597 FilteredFieldsMap::initialize(); // must be done after computing offsets.
a61af66fc99e Initial load
duke
parents:
diff changeset
3598 }