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annotate src/share/vm/interpreter/linkResolver.cpp @ 12885:8df6f123d35e

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8026124: JSR-292 bug: java.nio.file.Path.toString cores dump Summary: catch problem case, assert it matches valid input, new test Reviewed-by: jrose, twisti, kvn
author drchase
date Sat, 12 Oct 2013 17:26:41 -0400
parents ac9cb1d5a202
children 8f4bb1773fd9
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1 /*
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #include "precompiled.hpp"
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27 #include "classfile/defaultMethods.hpp"
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28 #include "classfile/systemDictionary.hpp"
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29 #include "classfile/vmSymbols.hpp"
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30 #include "compiler/compileBroker.hpp"
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31 #include "gc_interface/collectedHeap.inline.hpp"
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32 #include "interpreter/bytecode.hpp"
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33 #include "interpreter/interpreterRuntime.hpp"
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34 #include "interpreter/linkResolver.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/instanceKlass.hpp"
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38 #include "oops/objArrayOop.hpp"
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39 #include "prims/methodHandles.hpp"
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40 #include "prims/nativeLookup.hpp"
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41 #include "runtime/compilationPolicy.hpp"
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42 #include "runtime/fieldDescriptor.hpp"
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43 #include "runtime/frame.inline.hpp"
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44 #include "runtime/handles.inline.hpp"
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45 #include "runtime/reflection.hpp"
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46 #include "runtime/signature.hpp"
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47 #include "runtime/thread.inline.hpp"
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48 #include "runtime/vmThread.hpp"
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49
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50
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51 //------------------------------------------------------------------------------------------------------------------------
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52 // Implementation of CallInfo
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53
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54
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55 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) {
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56 int vtable_index = Method::nonvirtual_vtable_index;
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57 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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58 }
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59
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60
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61 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) {
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62 // This is only called for interface methods. If the resolved_method
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63 // comes from java/lang/Object, it can be the subject of a virtual call, so
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64 // we should pick the vtable index from the resolved method.
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65 // In that case, the caller must call set_virtual instead of set_interface.
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66 assert(resolved_method->method_holder()->is_interface(), "");
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67 assert(itable_index == resolved_method()->itable_index(), "");
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68 set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
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69 }
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70
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71 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) {
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72 assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index");
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73 assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), "");
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74 CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call);
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75 set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, vtable_index, CHECK);
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76 assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call");
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77 }
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78
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79 void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) {
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80 if (resolved_method.is_null()) {
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81 THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null");
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82 }
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83 KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass();
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84 assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic ||
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85 resolved_method->is_compiled_lambda_form(),
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86 "linkMethod must return one of these");
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87 int vtable_index = Method::nonvirtual_vtable_index;
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88 assert(!resolved_method->has_vtable_index(), "");
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89 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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90 _resolved_appendix = resolved_appendix;
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91 _resolved_method_type = resolved_method_type;
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92 }
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93
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94 void CallInfo::set_common(KlassHandle resolved_klass,
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95 KlassHandle selected_klass,
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96 methodHandle resolved_method,
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97 methodHandle selected_method,
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98 CallKind kind,
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99 int index,
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100 TRAPS) {
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101 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond");
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102 _resolved_klass = resolved_klass;
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103 _selected_klass = selected_klass;
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104 _resolved_method = resolved_method;
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105 _selected_method = selected_method;
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106 _call_kind = kind;
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107 _call_index = index;
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108 _resolved_appendix = Handle();
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109 DEBUG_ONLY(verify()); // verify before making side effects
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110
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111 if (CompilationPolicy::must_be_compiled(selected_method)) {
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112 // This path is unusual, mostly used by the '-Xcomp' stress test mode.
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113
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114 // Note: with several active threads, the must_be_compiled may be true
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115 // while can_be_compiled is false; remove assert
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116 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
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117 if (THREAD->is_Compiler_thread()) {
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118 // don't force compilation, resolve was on behalf of compiler
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119 return;
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120 }
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121 if (selected_method->method_holder()->is_not_initialized()) {
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122 // 'is_not_initialized' means not only '!is_initialized', but also that
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123 // initialization has not been started yet ('!being_initialized')
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124 // Do not force compilation of methods in uninitialized classes.
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125 // Note that doing this would throw an assert later,
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126 // in CompileBroker::compile_method.
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127 // We sometimes use the link resolver to do reflective lookups
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128 // even before classes are initialized.
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129 return;
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130 }
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131 CompileBroker::compile_method(selected_method, InvocationEntryBci,
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132 CompilationPolicy::policy()->initial_compile_level(),
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133 methodHandle(), 0, "must_be_compiled", CHECK);
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134 }
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135 }
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136
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137 // utility query for unreflecting a method
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138 CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) {
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139 Klass* resolved_method_holder = resolved_method->method_holder();
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140 if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st
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141 resolved_klass = resolved_method_holder;
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142 }
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143 _resolved_klass = resolved_klass;
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144 _selected_klass = resolved_klass;
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145 _resolved_method = resolved_method;
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146 _selected_method = resolved_method;
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147 // classify:
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148 CallKind kind = CallInfo::unknown_kind;
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149 int index = resolved_method->vtable_index();
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150 if (resolved_method->can_be_statically_bound()) {
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151 kind = CallInfo::direct_call;
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152 } else if (!resolved_method_holder->is_interface()) {
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153 // Could be an Object method inherited into an interface, but still a vtable call.
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154 kind = CallInfo::vtable_call;
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155 } else if (!resolved_klass->is_interface()) {
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156 // A miranda method. Compute the vtable index.
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157 ResourceMark rm;
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158 klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable();
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159 index = vt->index_of_miranda(resolved_method->name(),
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160 resolved_method->signature());
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161 kind = CallInfo::vtable_call;
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162 } else if (resolved_method->has_vtable_index()) {
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163 // Can occur if an interface redeclares a method of Object.
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164
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165 #ifdef ASSERT
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166 // Ensure that this is really the case.
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167 KlassHandle object_klass = SystemDictionary::Object_klass();
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168 Method * object_resolved_method = object_klass()->vtable()->method_at(index);
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169 assert(object_resolved_method->name() == resolved_method->name(),
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170 err_msg("Object and interface method names should match at vtable index %d, %s != %s",
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171 index, object_resolved_method->name()->as_C_string(), resolved_method->name()->as_C_string()));
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172 assert(object_resolved_method->signature() == resolved_method->signature(),
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173 err_msg("Object and interface method signatures should match at vtable index %d, %s != %s",
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174 index, object_resolved_method->signature()->as_C_string(), resolved_method->signature()->as_C_string()));
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175 #endif // ASSERT
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176
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177 kind = CallInfo::vtable_call;
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178 } else {
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179 // A regular interface call.
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180 kind = CallInfo::itable_call;
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181 index = resolved_method->itable_index();
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182 }
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183 assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index));
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184 _call_kind = kind;
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185 _call_index = index;
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186 _resolved_appendix = Handle();
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187 DEBUG_ONLY(verify());
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188 }
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189
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190 #ifdef ASSERT
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191 void CallInfo::verify() {
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192 switch (call_kind()) { // the meaning and allowed value of index depends on kind
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193 case CallInfo::direct_call:
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194 if (_call_index == Method::nonvirtual_vtable_index) break;
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195 // else fall through to check vtable index:
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196 case CallInfo::vtable_call:
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197 assert(resolved_klass()->verify_vtable_index(_call_index), "");
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198 break;
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199 case CallInfo::itable_call:
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200 assert(resolved_method()->method_holder()->verify_itable_index(_call_index), "");
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201 break;
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202 case CallInfo::unknown_kind:
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203 assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set");
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204 break;
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205 default:
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206 fatal(err_msg_res("Unexpected call kind %d", call_kind()));
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207 }
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208 }
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209 #endif //ASSERT
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210
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211
0
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212
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213 //------------------------------------------------------------------------------------------------------------------------
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214 // Klass resolution
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215
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216 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) {
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217 if (!Reflection::verify_class_access(ref_klass(),
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218 sel_klass(),
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219 true)) {
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220 ResourceMark rm(THREAD);
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221 Exceptions::fthrow(
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222 THREAD_AND_LOCATION,
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223 vmSymbols::java_lang_IllegalAccessError(),
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224 "tried to access class %s from class %s",
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225 sel_klass->external_name(),
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226 ref_klass->external_name()
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227 );
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228 return;
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229 }
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230 }
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231
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232 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
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233 Klass* result_oop = pool->klass_ref_at(index, CHECK);
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234 result = KlassHandle(THREAD, result_oop);
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235 }
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236
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237 //------------------------------------------------------------------------------------------------------------------------
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238 // Method resolution
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239 //
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240 // According to JVM spec. $5.4.3c & $5.4.3d
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241
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242 // Look up method in klasses, including static methods
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243 // Then look up local default methods
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244 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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245 Method* result_oop = klass->uncached_lookup_method(name, signature);
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246 if (result_oop == NULL) {
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247 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
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248 if (default_methods != NULL) {
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249 result_oop = InstanceKlass::find_method(default_methods, name, signature);
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250 }
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251 }
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252
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253 if (EnableInvokeDynamic && result_oop != NULL) {
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254 vmIntrinsics::ID iid = result_oop->intrinsic_id();
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255 if (MethodHandles::is_signature_polymorphic(iid)) {
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256 // Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
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257 return;
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258 }
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259 }
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260 result = methodHandle(THREAD, result_oop);
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261 }
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262
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263 // returns first instance method
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264 // Looks up method in classes, then looks up local default methods
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265 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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266 Method* result_oop = klass->uncached_lookup_method(name, signature);
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267 result = methodHandle(THREAD, result_oop);
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268 while (!result.is_null() && result->is_static()) {
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269 klass = KlassHandle(THREAD, result->method_holder()->super());
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270 result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature));
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271 }
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272
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273 if (result.is_null()) {
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274 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
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275 if (default_methods != NULL) {
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276 result = methodHandle(InstanceKlass::find_method(default_methods, name, signature));
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277 assert(result.is_null() || !result->is_static(), "static defaults not allowed");
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278 }
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279 }
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280 }
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281
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282 int LinkResolver::vtable_index_of_interface_method(KlassHandle klass,
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283 methodHandle resolved_method, TRAPS) {
0
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284
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285 int vtable_index = Method::invalid_vtable_index;
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286 Symbol* name = resolved_method->name();
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287 Symbol* signature = resolved_method->signature();
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288
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289 // First check in default method array
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290 if (!resolved_method->is_abstract() &&
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291 (InstanceKlass::cast(klass())->default_methods() != NULL)) {
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292 int index = InstanceKlass::find_method_index(InstanceKlass::cast(klass())->default_methods(), name, signature);
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293 if (index >= 0 ) {
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294 vtable_index = InstanceKlass::cast(klass())->default_vtable_indices()->at(index);
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295 }
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296 }
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297 if (vtable_index == Method::invalid_vtable_index) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
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diff changeset
298 // get vtable_index for miranda methods
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299 ResourceMark rm(THREAD);
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300 klassVtable *vt = InstanceKlass::cast(klass())->vtable();
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301 vtable_index = vt->index_of_miranda(name, signature);
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302 }
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303 return vtable_index;
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304 }
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305
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306 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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307 InstanceKlass *ik = InstanceKlass::cast(klass());
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diff changeset
308 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature));
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309 }
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310
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diff changeset
311 void LinkResolver::lookup_polymorphic_method(methodHandle& result,
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312 KlassHandle klass, Symbol* name, Symbol* full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
313 KlassHandle current_klass,
6822
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diff changeset
314 Handle *appendix_result_or_null,
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diff changeset
315 Handle *method_type_result,
6266
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diff changeset
316 TRAPS) {
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diff changeset
317 vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
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diff changeset
318 if (TraceMethodHandles) {
9082
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diff changeset
319 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
320 tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s",
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diff changeset
321 vmIntrinsics::name_at(iid), klass->external_name(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
322 name->as_C_string(), full_signature->as_C_string());
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diff changeset
323 }
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
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diff changeset
324 if (EnableInvokeDynamic &&
1507
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diff changeset
325 klass() == SystemDictionary::MethodHandle_klass() &&
6266
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diff changeset
326 iid != vmIntrinsics::_none) {
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diff changeset
327 if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) {
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diff changeset
328 // Most of these do not need an up-call to Java to resolve, so can be done anywhere.
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diff changeset
329 // Do not erase last argument type (MemberName) if it is a static linkTo method.
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diff changeset
330 bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
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diff changeset
331 TempNewSymbol basic_signature =
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diff changeset
332 MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK);
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diff changeset
333 if (TraceMethodHandles) {
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334 ResourceMark rm(THREAD);
6266
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335 tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
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diff changeset
336 name->as_C_string(),
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diff changeset
337 full_signature->as_C_string(),
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diff changeset
338 basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
339 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
340 result = SystemDictionary::find_method_handle_intrinsic(iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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341 basic_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
342 CHECK);
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diff changeset
343 if (result.not_null()) {
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344 assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic");
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345 assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this");
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346 assert(basic_signature == result->signature(), "predict the result signature");
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diff changeset
347 if (TraceMethodHandles) {
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diff changeset
348 tty->print("lookup_polymorphic_method => intrinsic ");
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349 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
350 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
351 return;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
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diff changeset
352 }
6266
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353 } else if (iid == vmIntrinsics::_invokeGeneric
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diff changeset
354 && !THREAD->is_Compiler_thread()
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
355 && appendix_result_or_null != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
356 // This is a method with type-checking semantics.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
357 // We will ask Java code to spin an adapter method for it.
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diff changeset
358 if (!MethodHandles::enabled()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
359 // Make sure the Java part of the runtime has been booted up.
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360 Klass* natives = SystemDictionary::MethodHandleNatives_klass();
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diff changeset
361 if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
362 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(),
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diff changeset
363 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
364 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
365 true,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
366 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
367 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
368 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
369
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
370 Handle appendix;
6822
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diff changeset
371 Handle method_type;
6266
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diff changeset
372 result = SystemDictionary::find_method_handle_invoker(name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
373 full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
374 current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
375 &appendix,
6822
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parents: 6729
diff changeset
376 &method_type,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
377 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
378 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
379 tty->print("lookup_polymorphic_method => (via Java) ");
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diff changeset
380 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
381 tty->print(" lookup_polymorphic_method => appendix = ");
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parents: 3960
diff changeset
382 if (appendix.is_null()) tty->print_cr("(none)");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
383 else appendix->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
384 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
385 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
386 #ifdef ASSERT
9082
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diff changeset
387 ResourceMark rm(THREAD);
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
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diff changeset
388
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
389 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
390 MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
391 int actual_size_of_params = result->size_of_parameters();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
392 int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
393 // +1 for MethodHandle.this, +1 for trailing MethodType
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
394 if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
395 if (appendix.not_null()) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
396 if (actual_size_of_params != expected_size_of_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
397 tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
398 tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
399 result->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
400 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
401 assert(actual_size_of_params == expected_size_of_params,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
402 err_msg("%d != %d", actual_size_of_params, expected_size_of_params));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
403 #endif //ASSERT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
404
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
405 assert(appendix_result_or_null != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
406 (*appendix_result_or_null) = appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
407 (*method_type_result) = method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
408 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
409 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
410 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
411 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
412 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
413
0
a61af66fc99e Initial load
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parents:
diff changeset
414 void LinkResolver::check_method_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
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parents:
diff changeset
415 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
416 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
417 methodHandle sel_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
418 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
419
a61af66fc99e Initial load
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parents:
diff changeset
420 AccessFlags flags = sel_method->access_flags();
a61af66fc99e Initial load
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parents:
diff changeset
421
a61af66fc99e Initial load
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parents:
diff changeset
422 // Special case: arrays always override "clone". JVMS 2.15.
a61af66fc99e Initial load
duke
parents:
diff changeset
423 // If the resolved klass is an array class, and the declaring class
a61af66fc99e Initial load
duke
parents:
diff changeset
424 // is java.lang.Object and the method is "clone", set the flags
a61af66fc99e Initial load
duke
parents:
diff changeset
425 // to public.
a61af66fc99e Initial load
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parents:
diff changeset
426 //
a61af66fc99e Initial load
duke
parents:
diff changeset
427 // We'll check for the method name first, as that's most likely
a61af66fc99e Initial load
duke
parents:
diff changeset
428 // to be false (so we'll short-circuit out of these tests).
a61af66fc99e Initial load
duke
parents:
diff changeset
429 if (sel_method->name() == vmSymbols::clone_name() &&
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1135
diff changeset
430 sel_klass() == SystemDictionary::Object_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
431 resolved_klass->oop_is_array()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
432 // We need to change "protected" to "public".
a61af66fc99e Initial load
duke
parents:
diff changeset
433 assert(flags.is_protected(), "clone not protected?");
a61af66fc99e Initial load
duke
parents:
diff changeset
434 jint new_flags = flags.as_int();
a61af66fc99e Initial load
duke
parents:
diff changeset
435 new_flags = new_flags & (~JVM_ACC_PROTECTED);
a61af66fc99e Initial load
duke
parents:
diff changeset
436 new_flags = new_flags | JVM_ACC_PUBLIC;
a61af66fc99e Initial load
duke
parents:
diff changeset
437 flags.set_flags(new_flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
438 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
439 // assert(extra_arg_result_or_null != NULL, "must be able to return extra argument");
0
a61af66fc99e Initial load
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parents:
diff changeset
440
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
441 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
442 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
443 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
444 flags,
a61af66fc99e Initial load
duke
parents:
diff changeset
445 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
446 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
447 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
448 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
449 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
450 "tried to access method %s.%s%s from class %s",
a61af66fc99e Initial load
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parents:
diff changeset
451 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
452 sel_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
453 sel_method->signature()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
454 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
455 );
a61af66fc99e Initial load
duke
parents:
diff changeset
456 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
457 }
a61af66fc99e Initial load
duke
parents:
diff changeset
458 }
a61af66fc99e Initial load
duke
parents:
diff changeset
459
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
460 void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
461 Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
462 // This method is used only
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
463 // (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call),
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
464 // and
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
465 // (2) in Bytecode_invoke::static_target
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
466 // It appears to fail when applied to an invokeinterface call site.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
467 // FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
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parents:
diff changeset
468 // resolve klass
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
469 if (code == Bytecodes::_invokedynamic) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
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parents: 6271
diff changeset
470 resolved_klass = SystemDictionary::MethodHandle_klass();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
471 Symbol* method_name = vmSymbols::invoke_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
472 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
473 KlassHandle current_klass(THREAD, pool->pool_holder());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
474 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
475 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
476 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
477
0
a61af66fc99e Initial load
duke
parents:
diff changeset
478 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
479
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
480 Symbol* method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
481 Symbol* method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
482 KlassHandle current_klass(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
483
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
484 if (pool->has_preresolution()
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
485 || (resolved_klass() == SystemDictionary::MethodHandle_klass() &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
486 MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
487 Method* result_oop = ConstantPool::method_at_if_loaded(pool, index);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
488 if (result_oop != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
489 resolved_method = methodHandle(THREAD, result_oop);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
490 return;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
491 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
492 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
493
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
494 if (code == Bytecodes::_invokeinterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
495 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
496 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
497 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
498 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
499 }
a61af66fc99e Initial load
duke
parents:
diff changeset
500
a61af66fc99e Initial load
duke
parents:
diff changeset
501 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
502 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
503 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
504
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
505 Handle nested_exception;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
506
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
507 // 1. lookup method in resolved klass and its super klasses
0
a61af66fc99e Initial load
duke
parents:
diff changeset
508 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
509
a61af66fc99e Initial load
duke
parents:
diff changeset
510 if (resolved_method.is_null()) { // not found in the class hierarchy
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
511 // 2. lookup method in all the interfaces implemented by the resolved klass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
512 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
513
a61af66fc99e Initial load
duke
parents:
diff changeset
514 if (resolved_method.is_null()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
515 // JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
516 lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
517 current_klass, (Handle*)NULL, (Handle*)NULL, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
518 if (HAS_PENDING_EXCEPTION) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
519 nested_exception = Handle(THREAD, PENDING_EXCEPTION);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
520 CLEAR_PENDING_EXCEPTION;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
521 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
522 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
523
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
524 if (resolved_method.is_null()) {
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
525 // 3. method lookup failed
0
a61af66fc99e Initial load
duke
parents:
diff changeset
526 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
527 THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
528 Method::name_and_sig_as_C_string(resolved_klass(),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
529 method_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
530 method_signature),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
531 nested_exception);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
532 }
a61af66fc99e Initial load
duke
parents:
diff changeset
533 }
a61af66fc99e Initial load
duke
parents:
diff changeset
534
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
535 // 4. check if klass is not interface
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
536 if (resolved_klass->is_interface() && resolved_method->is_abstract()) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
537 ResourceMark rm(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
538 char buf[200];
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
539 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
540 resolved_klass()->external_name());
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
541 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
542 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
543
0
a61af66fc99e Initial load
duke
parents:
diff changeset
544 // 5. check if method is concrete
a61af66fc99e Initial load
duke
parents:
diff changeset
545 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
546 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
547 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
548 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
549 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
550 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
551 }
a61af66fc99e Initial load
duke
parents:
diff changeset
552
a61af66fc99e Initial load
duke
parents:
diff changeset
553 // 6. access checks, access checking may be turned off when calling from within the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
554 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
555 assert(current_klass.not_null() , "current_klass should not be null");
a61af66fc99e Initial load
duke
parents:
diff changeset
556
a61af66fc99e Initial load
duke
parents:
diff changeset
557 // check if method can be accessed by the referring class
a61af66fc99e Initial load
duke
parents:
diff changeset
558 check_method_accessability(current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
559 resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
560 KlassHandle(THREAD, resolved_method->method_holder()),
a61af66fc99e Initial load
duke
parents:
diff changeset
561 resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
562 CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
563
a61af66fc99e Initial load
duke
parents:
diff changeset
564 // check loader constraints
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
565 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
566 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
567 {
a61af66fc99e Initial load
duke
parents:
diff changeset
568 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
569 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
570 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
571 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
572 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
573 const char* msg = "loader constraint violation: when resolving method"
a61af66fc99e Initial load
duke
parents:
diff changeset
574 " \"%s\" the class loader (instance of %s) of the current class, %s,"
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
575 " and the class loader (instance of %s) for the method's defining class, %s, have"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
576 " different Class objects for the type %s used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
577 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
578 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
579 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
580 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
581 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
582 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
583 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
584 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
585 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
586 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
587 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
588 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
589 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
590 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
591 }
a61af66fc99e Initial load
duke
parents:
diff changeset
592 }
a61af66fc99e Initial load
duke
parents:
diff changeset
593 }
a61af66fc99e Initial load
duke
parents:
diff changeset
594 }
a61af66fc99e Initial load
duke
parents:
diff changeset
595
a61af66fc99e Initial load
duke
parents:
diff changeset
596 void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
597 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
598 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
599 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
600 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
601 bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
602
a61af66fc99e Initial load
duke
parents:
diff changeset
603 // check if klass is interface
a61af66fc99e Initial load
duke
parents:
diff changeset
604 if (!resolved_klass->is_interface()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
605 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
606 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
607 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
608 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
609 }
a61af66fc99e Initial load
duke
parents:
diff changeset
610
a61af66fc99e Initial load
duke
parents:
diff changeset
611 // lookup method in this interface or its super, java.lang.Object
a61af66fc99e Initial load
duke
parents:
diff changeset
612 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
613
a61af66fc99e Initial load
duke
parents:
diff changeset
614 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
615 // lookup method in all the super-interfaces
a61af66fc99e Initial load
duke
parents:
diff changeset
616 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
617 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
618 // no method found
a61af66fc99e Initial load
duke
parents:
diff changeset
619 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
620 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
621 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
622 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
623 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
624 }
a61af66fc99e Initial load
duke
parents:
diff changeset
625 }
a61af66fc99e Initial load
duke
parents:
diff changeset
626
a61af66fc99e Initial load
duke
parents:
diff changeset
627 if (check_access) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
628 // JDK8 adds non-public interface methods, and accessability check requirement
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
629 assert(current_klass.not_null() , "current_klass should not be null");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
630
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
631 // check if method can be accessed by the referring class
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
632 check_method_accessability(current_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
633 resolved_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
634 KlassHandle(THREAD, resolved_method->method_holder()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
635 resolved_method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
636 CHECK);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
637
0
a61af66fc99e Initial load
duke
parents:
diff changeset
638 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
639 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
640 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
641 {
a61af66fc99e Initial load
duke
parents:
diff changeset
642 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
643 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
644 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
645 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
646 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
647 const char* msg = "loader constraint violation: when resolving "
a61af66fc99e Initial load
duke
parents:
diff changeset
648 "interface method \"%s\" the class loader (instance of %s) of the "
a61af66fc99e Initial load
duke
parents:
diff changeset
649 "current class, %s, and the class loader (instance of %s) for "
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
650 "the method's defining class, %s, have different Class objects for the type %s "
0
a61af66fc99e Initial load
duke
parents:
diff changeset
651 "used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
652 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
653 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
654 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
655 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
656 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
657 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
658 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
659 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
660 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
661 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
662 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
663 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
664 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
665 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
666 }
a61af66fc99e Initial load
duke
parents:
diff changeset
667 }
a61af66fc99e Initial load
duke
parents:
diff changeset
668 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
669
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
670 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
671 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
672 tty->print("invokeinterface resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
673 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
674 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
675 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
676 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
677 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
678 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
679 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
680 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
681 if (resolved_method->is_default_method()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
682 tty->print("default");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
683 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
684 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
685 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
686 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
687 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
688 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
689 }
a61af66fc99e Initial load
duke
parents:
diff changeset
690
a61af66fc99e Initial load
duke
parents:
diff changeset
691 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
692 // Field resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
693
a61af66fc99e Initial load
duke
parents:
diff changeset
694 void LinkResolver::check_field_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
695 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
696 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
697 fieldDescriptor& fd,
a61af66fc99e Initial load
duke
parents:
diff changeset
698 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
699 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
700 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
701 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
702 fd.access_flags(),
a61af66fc99e Initial load
duke
parents:
diff changeset
703 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
704 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
705 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
706 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
707 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
708 "tried to access field %s.%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
709 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
710 fd.name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
711 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
712 );
a61af66fc99e Initial load
duke
parents:
diff changeset
713 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
714 }
a61af66fc99e Initial load
duke
parents:
diff changeset
715 }
a61af66fc99e Initial load
duke
parents:
diff changeset
716
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
717 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
718 // Load these early in case the resolve of the containing klass fails
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
719 Symbol* field = pool->name_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
720 Symbol* sig = pool->signature_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
721
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
722 // resolve specified klass
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
723 KlassHandle resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
724 resolve_klass(resolved_klass, pool, index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
725
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
726 KlassHandle current_klass(THREAD, pool->pool_holder());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
727 resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
728 }
a61af66fc99e Initial load
duke
parents:
diff changeset
729
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
730 void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
731 KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
732 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
733 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
734 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
735 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
736
a61af66fc99e Initial load
duke
parents:
diff changeset
737 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
738 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
739
a61af66fc99e Initial load
duke
parents:
diff changeset
740 // Check if there's a resolved klass containing the field
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
741 if (resolved_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
742 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
743 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
744 }
a61af66fc99e Initial load
duke
parents:
diff changeset
745
a61af66fc99e Initial load
duke
parents:
diff changeset
746 // Resolve instance field
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
747 KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
748 // check if field exists; i.e., if a klass containing the field def has been selected
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
749 if (sel_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
750 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
751 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
752 }
a61af66fc99e Initial load
duke
parents:
diff changeset
753
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
754 if (!check_access)
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
755 // Access checking may be turned off when calling from within the VM.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
756 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
757
0
a61af66fc99e Initial load
duke
parents:
diff changeset
758 // check access
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
759 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
760
a61af66fc99e Initial load
duke
parents:
diff changeset
761 // check for errors
a61af66fc99e Initial load
duke
parents:
diff changeset
762 if (is_static != fd.is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
763 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
764 char msg[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
765 jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", resolved_klass()->external_name(), fd.name()->as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
766 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg);
a61af66fc99e Initial load
duke
parents:
diff changeset
767 }
a61af66fc99e Initial load
duke
parents:
diff changeset
768
a61af66fc99e Initial load
duke
parents:
diff changeset
769 // Final fields can only be accessed from its own class.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
770 if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
771 THROW(vmSymbols::java_lang_IllegalAccessError());
a61af66fc99e Initial load
duke
parents:
diff changeset
772 }
a61af66fc99e Initial load
duke
parents:
diff changeset
773
a61af66fc99e Initial load
duke
parents:
diff changeset
774 // initialize resolved_klass if necessary
a61af66fc99e Initial load
duke
parents:
diff changeset
775 // note 1: the klass which declared the field must be initialized (i.e, sel_klass)
a61af66fc99e Initial load
duke
parents:
diff changeset
776 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99)
a61af66fc99e Initial load
duke
parents:
diff changeset
777 //
a61af66fc99e Initial load
duke
parents:
diff changeset
778 // note 2: we don't want to force initialization if we are just checking
a61af66fc99e Initial load
duke
parents:
diff changeset
779 // if the field access is legal; e.g., during compilation
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
780 if (is_static && initialize_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
781 sel_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
782 }
a61af66fc99e Initial load
duke
parents:
diff changeset
783
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
784 if (sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
785 HandleMark hm(THREAD);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
786 Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
787 Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
788 {
a61af66fc99e Initial load
duke
parents:
diff changeset
789 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
790 Symbol* failed_type_symbol =
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
791 SystemDictionary::check_signature_loaders(sig,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
792 ref_loader, sel_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
793 false,
a61af66fc99e Initial load
duke
parents:
diff changeset
794 CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
795 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
796 const char* msg = "loader constraint violation: when resolving field"
a61af66fc99e Initial load
duke
parents:
diff changeset
797 " \"%s\" the class loader (instance of %s) of the referring class, "
a61af66fc99e Initial load
duke
parents:
diff changeset
798 "%s, and the class loader (instance of %s) for the field's resolved "
a61af66fc99e Initial load
duke
parents:
diff changeset
799 "type, %s, have different Class objects for that type";
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
800 char* field_name = field->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
801 const char* loader1 = SystemDictionary::loader_name(ref_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
802 char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
803 const char* loader2 = SystemDictionary::loader_name(sel_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
804 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
805 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
806 strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
807 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
808 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
a61af66fc99e Initial load
duke
parents:
diff changeset
809 failed_type_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
810 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
811 }
a61af66fc99e Initial load
duke
parents:
diff changeset
812 }
a61af66fc99e Initial load
duke
parents:
diff changeset
813 }
a61af66fc99e Initial load
duke
parents:
diff changeset
814
a61af66fc99e Initial load
duke
parents:
diff changeset
815 // return information. note that the klass is set to the actual klass containing the
a61af66fc99e Initial load
duke
parents:
diff changeset
816 // field, otherwise access of static fields in superclasses will not work.
a61af66fc99e Initial load
duke
parents:
diff changeset
817 }
a61af66fc99e Initial load
duke
parents:
diff changeset
818
a61af66fc99e Initial load
duke
parents:
diff changeset
819
a61af66fc99e Initial load
duke
parents:
diff changeset
820 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
821 // Invoke resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
822 //
a61af66fc99e Initial load
duke
parents:
diff changeset
823 // Naming conventions:
a61af66fc99e Initial load
duke
parents:
diff changeset
824 //
a61af66fc99e Initial load
duke
parents:
diff changeset
825 // resolved_method the specified method (i.e., static receiver specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
826 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class)
a61af66fc99e Initial load
duke
parents:
diff changeset
827 // resolved_klass the specified klass (i.e., specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
828 // recv_klass the receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
829
a61af66fc99e Initial load
duke
parents:
diff changeset
830
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
831 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
832 Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
833 bool check_access, bool initialize_class, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
834 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
835 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
836 resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
837
a61af66fc99e Initial load
duke
parents:
diff changeset
838 // Initialize klass (this should only happen if everything is ok)
a61af66fc99e Initial load
duke
parents:
diff changeset
839 if (initialize_class && resolved_klass->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
840 resolved_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
841 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
842 }
a61af66fc99e Initial load
duke
parents:
diff changeset
843
a61af66fc99e Initial load
duke
parents:
diff changeset
844 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
845 result.set_static(resolved_klass, resolved_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
846 }
a61af66fc99e Initial load
duke
parents:
diff changeset
847
a61af66fc99e Initial load
duke
parents:
diff changeset
848 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
849 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
850 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
851 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
852
a61af66fc99e Initial load
duke
parents:
diff changeset
853 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
854 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
855
a61af66fc99e Initial load
duke
parents:
diff changeset
856 // check if static
a61af66fc99e Initial load
duke
parents:
diff changeset
857 if (!resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
858 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
859 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
860 jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
861 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
862 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
863 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
864 }
a61af66fc99e Initial load
duke
parents:
diff changeset
865 }
a61af66fc99e Initial load
duke
parents:
diff changeset
866
a61af66fc99e Initial load
duke
parents:
diff changeset
867
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
868 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
869 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
870 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
871 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
872 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
873 }
a61af66fc99e Initial load
duke
parents:
diff changeset
874
a61af66fc99e Initial load
duke
parents:
diff changeset
875 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
876 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
877 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
878 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
879
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
880 // Invokespecial is called for multiple special reasons:
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
881 // <init>
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
882 // local private method invocation, for classes and interfaces
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
883 // superclass.method, which can also resolve to a default method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
884 // and the selected method is recalculated relative to the direct superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
885 // superinterface.method, which explicitly does not check shadowing
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
886
0
a61af66fc99e Initial load
duke
parents:
diff changeset
887 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
888
a61af66fc99e Initial load
duke
parents:
diff changeset
889 // check if method name is <init>, that it is found in same klass as static type
a61af66fc99e Initial load
duke
parents:
diff changeset
890 if (resolved_method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
891 resolved_method->method_holder() != resolved_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
892 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
893 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
894 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
895 vmSymbols::java_lang_NoSuchMethodError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
896 "%s: method %s%s not found",
a61af66fc99e Initial load
duke
parents:
diff changeset
897 resolved_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
898 resolved_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
899 resolved_method->signature()->as_C_string()
a61af66fc99e Initial load
duke
parents:
diff changeset
900 );
a61af66fc99e Initial load
duke
parents:
diff changeset
901 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
902 }
a61af66fc99e Initial load
duke
parents:
diff changeset
903
a61af66fc99e Initial load
duke
parents:
diff changeset
904 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
905 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
906 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
907 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
908 jio_snprintf(buf, sizeof(buf),
a61af66fc99e Initial load
duke
parents:
diff changeset
909 "Expecting non-static method %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
910 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
911 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
912 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
913 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
914 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
915
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
916 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
917 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
918 tty->print("invokespecial resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
919 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
920 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
921 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
922 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
923 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
924 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
925 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
926 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
927 if (resolved_method->is_default_method()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
928 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
929 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
930 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
931 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
932 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
933 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
934 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
935 }
a61af66fc99e Initial load
duke
parents:
diff changeset
936
a61af66fc99e Initial load
duke
parents:
diff changeset
937 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
938 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
939 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
940
a61af66fc99e Initial load
duke
parents:
diff changeset
941 // resolved method is selected method unless we have an old-style lookup
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
942 // for a superclass method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
943 // Invokespecial for a superinterface, resolved method is selected method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
944 // no checks for shadowing
0
a61af66fc99e Initial load
duke
parents:
diff changeset
945 methodHandle sel_method(THREAD, resolved_method());
a61af66fc99e Initial load
duke
parents:
diff changeset
946
a61af66fc99e Initial load
duke
parents:
diff changeset
947 // check if this is an old-style super call and do a new lookup if so
a61af66fc99e Initial load
duke
parents:
diff changeset
948 { KlassHandle method_klass = KlassHandle(THREAD,
a61af66fc99e Initial load
duke
parents:
diff changeset
949 resolved_method->method_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
950
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
951 if (check_access &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
952 // a) check if ACC_SUPER flag is set for the current class
8702
77443715ec55 8001307: Modify ACC_SUPER behavior
kamg
parents: 6822
diff changeset
953 (current_klass->is_super() || !AllowNonVirtualCalls) &&
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
954 // b) check if the class of the resolved_klass is a superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
955 // (not supertype in order to exclude interface classes) of the current class.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
956 // This check is not performed for super.invoke for interface methods
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
957 // in super interfaces.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
958 current_klass->is_subclass_of(resolved_klass()) &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
959 current_klass() != resolved_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
960 // c) check if the method is not <init>
a61af66fc99e Initial load
duke
parents:
diff changeset
961 resolved_method->name() != vmSymbols::object_initializer_name()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
962 // Lookup super method
a61af66fc99e Initial load
duke
parents:
diff changeset
963 KlassHandle super_klass(THREAD, current_klass->super());
a61af66fc99e Initial load
duke
parents:
diff changeset
964 lookup_instance_method_in_klasses(sel_method, super_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
965 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
966 resolved_method->signature(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
967 // check if found
a61af66fc99e Initial load
duke
parents:
diff changeset
968 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
969 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
970 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
971 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
972 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
973 resolved_method->signature()));
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
a61af66fc99e Initial load
duke
parents:
diff changeset
978 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
979 if (sel_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
980 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
981 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
982 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
983 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
984 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
985 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
986 }
a61af66fc99e Initial load
duke
parents:
diff changeset
987
a61af66fc99e Initial load
duke
parents:
diff changeset
988 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
989 if (sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
990 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
991 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
992 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
993 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
994 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
995 }
a61af66fc99e Initial load
duke
parents:
diff changeset
996
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
997 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
998 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
999 tty->print("invokespecial selected method: resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1000 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1001 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1002 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1003 sel_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1004 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1005 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1006 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1007 if (sel_method->is_default_method()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1008 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1009 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1010 if (sel_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1011 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1012 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1013 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1014 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1015
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1016 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1017 result.set_static(resolved_klass, sel_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1018 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1019
a61af66fc99e Initial load
duke
parents:
diff changeset
1020 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1021 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1022 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1024 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1025 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1026 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1027
a61af66fc99e Initial load
duke
parents:
diff changeset
1028 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1029 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1030 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1031 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1032 // normal method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1033 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1034
a61af66fc99e Initial load
duke
parents:
diff changeset
1035 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1036 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1037
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1038 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1039 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1040 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1041 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1042 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokevirtual: method %s, caller-class:%s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1043 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1044 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1045 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1046 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1047 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1048 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1049
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1050 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
1051 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1052 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1053 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1054 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1055 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1057 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1058 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1059
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1060 if (PrintVtables && Verbose) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1061 ResourceMark rm(THREAD);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1062 tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1063 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1064 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1065 Method::name_and_sig_as_C_string(resolved_klass(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1066 resolved_method->name(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1067 resolved_method->signature()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1068 resolved_method->method_holder()->internal_name()
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1069 );
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1070 resolved_method->access_flags().print_on(tty);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1071 if (resolved_method->is_default_method()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1072 tty->print("default");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1073 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1074 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1075 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1076 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1077 tty->cr();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1078 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1079 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1080
a61af66fc99e Initial load
duke
parents:
diff changeset
1081 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1082 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
a61af66fc99e Initial load
duke
parents:
diff changeset
1083 methodHandle resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
1084 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1085 Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1086 KlassHandle recv_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1087 bool check_null_and_abstract,
a61af66fc99e Initial load
duke
parents:
diff changeset
1088 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1089
a61af66fc99e Initial load
duke
parents:
diff changeset
1090 // setup default return values
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1091 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1092 methodHandle selected_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1093
a61af66fc99e Initial load
duke
parents:
diff changeset
1094 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1095
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 // runtime method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1099 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1100
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1101 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since
a61af66fc99e Initial load
duke
parents:
diff changeset
1103 // a missing receiver might result in a bogus lookup.
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
1104 assert(resolved_method->method_holder()->is_linked(), "must be linked");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1105
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 // do lookup based on receiver klass using the vtable index
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1107 if (resolved_method->method_holder()->is_interface()) { // miranda method
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1108 vtable_index = vtable_index_of_interface_method(resolved_klass,
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1109 resolved_method, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
a61af66fc99e Initial load
duke
parents:
diff changeset
1111
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1112 InstanceKlass* inst = InstanceKlass::cast(recv_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1114 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1115 // at this point we are sure that resolved_method is virtual and not
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 // a miranda method; therefore, it must have a valid vtable index.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1117 assert(!resolved_method->has_itable_index(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1118 vtable_index = resolved_method->vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1119 // We could get a negative vtable_index for final methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 // because as an optimization they are they are never put in the vtable,
a61af66fc99e Initial load
duke
parents:
diff changeset
1121 // unless they override an existing method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1122 // If we do get a negative, it means the resolved method is the the selected
a61af66fc99e Initial load
duke
parents:
diff changeset
1123 // method, and it can never be changed by an override.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1124 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1125 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
1126 selected_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 // recv_klass might be an arrayKlassOop but all vtables start at
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 // the same place. The cast is to avoid virtual call and assertion.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1130 InstanceKlass* inst = (InstanceKlass*)recv_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1131 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1133 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1134
a61af66fc99e Initial load
duke
parents:
diff changeset
1135 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 if (selected_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1139 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1141 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1143
a61af66fc99e Initial load
duke
parents:
diff changeset
1144 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 if (check_null_and_abstract && selected_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1146 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1148 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1149 selected_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 selected_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1151 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1152
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1153 if (PrintVtables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1154 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1155 tty->print("invokevirtual selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, vtable_index:%d, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1156 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1157 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1158 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1159 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1160 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1161 selected_method->method_holder()->internal_name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1162 vtable_index
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1163 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1164 selected_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1165 if (selected_method->is_default_method()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1166 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1167 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1168 if (selected_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1169 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1170 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1171 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1172 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1173 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1174 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1175 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1176
a61af66fc99e Initial load
duke
parents:
diff changeset
1177 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1178 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1179 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1180 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1181 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1182 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1183 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1184
a61af66fc99e Initial load
duke
parents:
diff changeset
1185 // throws linktime exceptions
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1186 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1187 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 // normal interface method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1189 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1190
a61af66fc99e Initial load
duke
parents:
diff changeset
1191 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1192 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1193 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1194
a61af66fc99e Initial load
duke
parents:
diff changeset
1195 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1196 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1197 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1198 // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1199 if (check_null_and_abstract && recv.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1200 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1201 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1202
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1203 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1204 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1205 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1206 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1207 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokeinterface: method %s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1208 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1209 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1210 resolved_method->signature()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1211 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1212 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1213
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1214 // check if receiver klass implements the resolved interface
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 if (!recv_klass->is_subtype_of(resolved_klass())) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1216 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1217 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
1218 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1219 recv_klass()->external_name(),
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1220 resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1221 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1222 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1223 // do lookup based on receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1224 methodHandle sel_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1225 lookup_instance_method_in_klasses(sel_method, recv_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1226 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1227 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1228 if (sel_method.is_null() && !check_null_and_abstract) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1229 // In theory this is a harmless placeholder value, but
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1230 // in practice leaving in null affects the nsk default method tests.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1231 // This needs further study.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1232 sel_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1233 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1234 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1235 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1236 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1237 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1238 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1241 }
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1242 // check access
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1243 // Throw Illegal Access Error if sel_method is not public.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1244 if (!sel_method->is_public()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1245 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1246 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1247 Method::name_and_sig_as_C_string(recv_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1248 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1249 sel_method->signature()));
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1250 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1252 if (check_null_and_abstract && sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1255 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1256 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1257 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1259 // setup result
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1260 if (!resolved_method->has_itable_index()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1261 int vtable_index = resolved_method->vtable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1262 assert(vtable_index == sel_method->vtable_index(), "sanity check");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1263 result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1264 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1265 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1266 int itable_index = resolved_method()->itable_index();
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1267
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1268 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1269 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1270 tty->print("invokeinterface selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1271 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1272 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1273 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1274 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1275 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1276 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1277 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1278 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1279 if (sel_method->is_default_method()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1280 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1281 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1282 if (sel_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1283 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1284 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1285 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1286 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1287 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1288 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1289
a61af66fc99e Initial load
duke
parents:
diff changeset
1290
a61af66fc99e Initial load
duke
parents:
diff changeset
1291 methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1292 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1293 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1294 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1295 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1296 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1297 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1298 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1299 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1300 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1301 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1304 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1305 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1306 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1307
a61af66fc99e Initial load
duke
parents:
diff changeset
1308 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1309 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1310 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1311 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1314 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1315 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1316 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1317 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1318 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1320 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1321 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1322 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1323 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1324
a61af66fc99e Initial load
duke
parents:
diff changeset
1325 methodHandle LinkResolver::resolve_virtual_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1327 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1328 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1329 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1330 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1331 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1332 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1333 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1334 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1335 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1336 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1337 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1338 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1339 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1340
a61af66fc99e Initial load
duke
parents:
diff changeset
1341 methodHandle LinkResolver::resolve_interface_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1342 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1343 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1344 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1345 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1346 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1347 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1348 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1349 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1350 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1351 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1352 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1353 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1354 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1355 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1356
a61af66fc99e Initial load
duke
parents:
diff changeset
1357 int LinkResolver::resolve_virtual_vtable_index(
a61af66fc99e Initial load
duke
parents:
diff changeset
1358 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1359 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1360 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1361 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1362 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1363 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1364 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1365 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1366 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1367 CLEAR_PENDING_EXCEPTION;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1368 return Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1370 return info.vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1371 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1372
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 methodHandle LinkResolver::resolve_static_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1374 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1375 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1376 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1377 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1378 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1380 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1381 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1382 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1383 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1385 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1386 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1387
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1388 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1389 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1390 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1391 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1392 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1393 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1394 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1395 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1396 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1397 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1398 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1399
a61af66fc99e Initial load
duke
parents:
diff changeset
1400
a61af66fc99e Initial load
duke
parents:
diff changeset
1401
a61af66fc99e Initial load
duke
parents:
diff changeset
1402 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1403 // ConstantPool entries
a61af66fc99e Initial load
duke
parents:
diff changeset
1404
a61af66fc99e Initial load
duke
parents:
diff changeset
1405 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1406 switch (byte) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1407 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1409 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1410 case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break;
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1411 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1412 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1413 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1414 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1415 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1416
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1417 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1418 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 // resolve klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1420 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1421
a61af66fc99e Initial load
duke
parents:
diff changeset
1422 // Get name, signature, and static klass
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1423 method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1424 method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1425 current_klass = KlassHandle(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1426 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1427
a61af66fc99e Initial load
duke
parents:
diff changeset
1428
a61af66fc99e Initial load
duke
parents:
diff changeset
1429 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1430 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1431 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1432 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1433 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1434 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1435 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1436 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1437
a61af66fc99e Initial load
duke
parents:
diff changeset
1438
a61af66fc99e Initial load
duke
parents:
diff changeset
1439 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1440 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1441 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1442 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1443 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1444 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1445 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1446 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1447
a61af66fc99e Initial load
duke
parents:
diff changeset
1448
a61af66fc99e Initial load
duke
parents:
diff changeset
1449 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1450 constantPoolHandle pool, int index,
a61af66fc99e Initial load
duke
parents:
diff changeset
1451 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1452
a61af66fc99e Initial load
duke
parents:
diff changeset
1453 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1454 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1455 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1456 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1457 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1458 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1459 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1460 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1461
a61af66fc99e Initial load
duke
parents:
diff changeset
1462
a61af66fc99e Initial load
duke
parents:
diff changeset
1463 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1464 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1465 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1466 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1467 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1468 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1469 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1470 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1471 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1472
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1473
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1474 void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1475 assert(EnableInvokeDynamic, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1476 // This guy is reached from InterpreterRuntime::resolve_invokehandle.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1477 KlassHandle resolved_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1478 Symbol* method_name = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1479 Symbol* method_signature = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1480 KlassHandle current_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1481 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1482 if (TraceMethodHandles) {
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1483 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1484 tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string());
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1485 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1486 resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1487 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1488
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1489 void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1490 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1491 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1492 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1493 // JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1494 assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1495 assert(MethodHandles::is_signature_polymorphic_name(method_name), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1496 methodHandle resolved_method;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1497 Handle resolved_appendix;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1498 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1499 lookup_polymorphic_method(resolved_method, resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1500 method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1501 current_klass, &resolved_appendix, &resolved_method_type, CHECK);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1502 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1503 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1504
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1505
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1506 void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1507 assert(EnableInvokeDynamic, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1508
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1509 //resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1510 Symbol* method_name = pool->name_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1511 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1512 KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1513
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1514 // Resolve the bootstrap specifier (BSM + optional arguments).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1515 Handle bootstrap_specifier;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1516 // Check if CallSite has been bound already:
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1517 ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1518 if (cpce->is_f1_null()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1519 int pool_index = cpce->constant_pool_index();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1520 oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1521 assert(bsm_info != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1522 // FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1523 bootstrap_specifier = Handle(THREAD, bsm_info);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1524 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1525 if (!cpce->is_f1_null()) {
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1526 methodHandle method( THREAD, cpce->f1_as_method());
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1527 Handle appendix( THREAD, cpce->appendix_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1528 Handle method_type(THREAD, cpce->method_type_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1529 result.set_handle(method, appendix, method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1530 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1531 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1532
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1533 if (TraceMethodHandles) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1534 ResourceMark rm(THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1535 tty->print_cr("resolve_invokedynamic #%d %s %s",
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1536 ConstantPool::decode_invokedynamic_index(index),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1537 method_name->as_C_string(), method_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1538 tty->print(" BSM info: "); bootstrap_specifier->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1539 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1540
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1541 resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1542 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1543
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1544 void LinkResolver::resolve_dynamic_call(CallInfo& result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1545 Handle bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1546 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1547 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1548 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1549 // JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1550 // The appendix argument is likely to be a freshly-created CallSite.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1551 Handle resolved_appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1552 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1553 methodHandle resolved_method =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1554 SystemDictionary::find_dynamic_call_site_invoker(current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1555 bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1556 method_name, method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1557 &resolved_appendix,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1558 &resolved_method_type,
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1559 THREAD);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1560 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1561 if (TraceMethodHandles) {
12316
190899198332 7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents: 12264
diff changeset
1562 tty->print_cr("invokedynamic throws BSME for "INTPTR_FORMAT, (void *)PENDING_EXCEPTION);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1563 PENDING_EXCEPTION->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1564 }
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1565 if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1566 // throw these guys, since they are already wrapped
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1567 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1568 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1569 if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1570 // intercept only LinkageErrors which might have failed to wrap
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1571 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1572 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1573 // See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1574 Handle nested_exception(THREAD, PENDING_EXCEPTION);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1575 CLEAR_PENDING_EXCEPTION;
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1576 THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception)
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1577 }
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1578 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1579 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1580
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1581 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1582 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1583
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1584 void CallInfo::print() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1585 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1586 const char* kindstr = "unknown";
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1587 switch (_call_kind) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1588 case direct_call: kindstr = "direct"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1589 case vtable_call: kindstr = "vtable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1590 case itable_call: kindstr = "itable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1591 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1592 tty->print_cr("Call %s@%d %s", kindstr, _call_index,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1593 _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1594 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1595
a61af66fc99e Initial load
duke
parents:
diff changeset
1596 #endif