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annotate src/share/vm/c1x/c1x_Compiler.cpp @ 1483:ba37b9335e1e

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New option "-graal" that sets up the correct boot class path and C1X options using only the two environment variables MAXINE and GRAAL. This greatly simplifies command line arguments necessary to start the Graal VM.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Mon, 29 Nov 2010 16:58:26 +0100
parents 1f81c0d18c75
children 48bbaead8b6c
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1 /*
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2 * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_c1x_Compiler.cpp.incl"
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27
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28 C1XCompiler* C1XCompiler::_instance = NULL;
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30 C1XCompiler::C1XCompiler() {
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31 _initialized = false;
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32 assert(_instance == NULL, "only one instance allowed");
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33 _instance = this;
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34 }
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35
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36 // Initialization
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37 void C1XCompiler::initialize() {
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38 if (_initialized) return;
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39 Thread* THREAD = Thread::current();
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40 _initialized = true;
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41 TRACE_C1X_1("C1XCompiler::initialize");
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42
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43 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment();
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44 jclass klass = env->FindClass("com/sun/hotspot/c1x/VMEntriesNative");
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45 if (klass == NULL) {
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46 fatal("c1x VMEntries class not found");
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47 }
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48 env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count());
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49
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50 {
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51 VM_ENTRY_MARK;
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52 check_pending_exception("Could not register natives");
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53 }
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54
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55 c1x_compute_offsets();
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57 {
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58 VM_ENTRY_MARK;
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59 HandleMark hm;
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60 for (int i = 0; i < Arguments::num_c1x_args(); ++i) {
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61 const char* arg = Arguments::c1x_args_array()[i];
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62 Handle option = java_lang_String::create_from_str(arg, THREAD);
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63 bool result = VMExits::setOption(option);
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64 if (!result) fatal("Invalid option for C1X!");
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65 }
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66 }
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67 }
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68
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69 // Compilation entry point for methods
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70 void C1XCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
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71 initialize();
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72 VM_ENTRY_MARK;
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73 ResourceMark rm;
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74 HandleMark hm;
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75
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76 VmIds::initializeObjects();
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77
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78 CompilerThread::current()->set_compiling(true);
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79 methodOop method = (methodOop) target->get_oop();
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80 VMExits::compileMethod(VmIds::add<methodOop>(method), VmIds::toString<Handle>(method->name(), THREAD), entry_bci);
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81 CompilerThread::current()->set_compiling(false);
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82
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83 VmIds::cleanupLocalObjects();
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84 }
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85
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86 // Print compilation timers and statistics
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87 void C1XCompiler::print_timers() {
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88 TRACE_C1X_1("C1XCompiler::print_timers");
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89 }
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90
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91 oop C1XCompiler::get_RiType(ciType *type, KlassHandle accessor, TRAPS) {
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92 if (type->is_loaded()) {
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93 if (type->is_primitive_type()) {
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94 return VMExits::createRiTypePrimitive((int) type->basic_type(), THREAD);
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95 }
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96 KlassHandle klass = (klassOop) type->get_oop();
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97 Handle name = VmIds::toString<Handle>(klass->name(), THREAD);
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98 return createHotSpotTypeResolved(klass, name, CHECK_NULL);
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99 } else {
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100 symbolOop name = ((ciKlass *) type)->name()->get_symbolOop();
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101 return VMExits::createRiTypeUnresolved(VmIds::toString<Handle>(name, THREAD), VmIds::add<klassOop>(accessor()), THREAD);
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102 }
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103 }
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104
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105 oop C1XCompiler::get_RiField(ciField *field, ciInstanceKlass* accessor_klass, KlassHandle accessor, Bytecodes::Code byteCode, TRAPS) {
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106 bool will_link = field->will_link_from_vm(accessor_klass, byteCode);
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107 int offset = (field->holder()->is_loaded() && will_link) ? field->offset() : -1;
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108 Handle field_name = VmIds::toString<Handle>(field->name()->get_symbolOop(), CHECK_0);
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109 Handle field_holder = get_RiType(field->holder(), accessor, CHECK_0);
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110 Handle field_type = get_RiType(field->type(), accessor, CHECK_0);
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111
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112 // TODO: implement caching
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113 return VMExits::createRiField(field_holder, field_name, field_type, offset, THREAD);
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114 }
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115
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116 oop C1XCompiler::createHotSpotTypeResolved(KlassHandle klass, Handle name, TRAPS) {
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117 instanceKlass::cast(HotSpotTypeResolved::klass())->initialize(CHECK_NULL);
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118 oop obj = instanceKlass::cast(HotSpotTypeResolved::klass())->allocate_instance(CHECK_NULL);
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119
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120 HotSpotTypeResolved::set_vmId(obj, VmIds::add(klass, VmIds::CLASS));
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121 HotSpotTypeResolved::set_javaMirror(obj, klass->java_mirror());
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122 HotSpotTypeResolved::set_name(obj, name());
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123 HotSpotTypeResolved::set_accessFlags(obj, klass->access_flags().as_int());
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124 HotSpotTypeResolved::set_isInterface(obj, klass->is_interface());
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125 HotSpotTypeResolved::set_isInstanceClass(obj, klass->oop_is_instance());
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126
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127 if (klass->oop_is_javaArray()) {
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128 HotSpotTypeResolved::set_isArrayClass(obj, true);
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129 HotSpotTypeResolved::set_componentType(obj, NULL);
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130 } else {
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131 HotSpotTypeResolved::set_isArrayClass(obj, false);
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132 HotSpotTypeResolved::set_componentType(obj, NULL);
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133 HotSpotTypeResolved::set_isInitialized(obj, instanceKlass::cast(klass())->is_initialized());
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134 HotSpotTypeResolved::set_instanceSize(obj, instanceKlass::cast(klass())->size_helper() * HeapWordSize);
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135 HotSpotTypeResolved::set_hasFinalizer(obj, klass->has_finalizer());
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136 }
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137
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138 // TODO replace these with correct values
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139 HotSpotTypeResolved::set_hasSubclass(obj, false);
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140 HotSpotTypeResolved::set_hasFinalizableSubclass(obj, false);
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141
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142 return obj;
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143 }
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144
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145 BasicType C1XCompiler::kindToBasicType(jchar ch) {
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146 switch(ch) {
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147 case 'z': return T_BOOLEAN;
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148 case 'b': return T_BYTE;
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149 case 's': return T_SHORT;
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150 case 'c': return T_CHAR;
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151 case 'i': return T_INT;
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152 case 'f': return T_FLOAT;
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153 case 'l': return T_LONG;
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154 case 'd': return T_DOUBLE;
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155 case 'a': return T_OBJECT;
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156 case 'r': return T_ADDRESS;
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157 case '-': return T_ILLEGAL;
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158 default:
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159 fatal1("unexpected CiKind: %c", ch);
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160 break;
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161 }
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162 }
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163