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annotate src/share/vm/c1x/c1x_Compiler.cpp @ 1434:72cfb36c6bb2

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* enabled all jtt tests * added proxy that counts jni calls * honor hotspot stackshadowpages * constant pool caching * monitor enter/exit * arithmetic stubs (frem, drem, ...) * create stack values for debug info * some doc
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 30 Sep 2010 17:19:48 -0700
parents efba53f86c4f
children 9e5e83ca2259
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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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29
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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 _initialized = true;
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40 TRACE_C1X_1("C1XCompiler::initialize");
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41
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42 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment();
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43 jclass klass = env->FindClass("com/sun/hotspot/c1x/VMEntriesNative");
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44 assert(klass != NULL, "c1x VMEntries class not found");
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45 env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count());
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46
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47 check_pending_exception("Could not register natives");
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48
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49 c1x_compute_offsets();
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50 }
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51
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52 // Compilation entry point for methods
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53 void C1XCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
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54 initialize();
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55 VM_ENTRY_MARK;
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56 ResourceMark rm;
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57 HandleMark hm;
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58
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59 VmIds::initializeObjects();
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60
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61 CompilerThread::current()->set_compiling(true);
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62 methodOop method = (methodOop) target->get_oop();
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63 VMExits::compileMethod(VmIds::add<methodOop>(method), VmIds::toString<Handle>(method->name(), THREAD), entry_bci);
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64 CompilerThread::current()->set_compiling(false);
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65
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66 VmIds::cleanupLocalObjects();
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67 }
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68
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69 // Print compilation timers and statistics
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70 void C1XCompiler::print_timers() {
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71 TRACE_C1X_1("C1XCompiler::print_timers");
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72 }
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73
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74 oop C1XCompiler::get_RiType(ciType *type, klassOop accessor, TRAPS) {
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75 if (type->is_loaded()) {
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76 if (type->is_primitive_type()) {
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77 return VMExits::createRiTypePrimitive((int) type->basic_type(), THREAD);
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78 }
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79 KlassHandle klass = (klassOop) type->get_oop();
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80 Handle name = VmIds::toString<Handle>(klass->name(), THREAD);
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81 return createHotSpotTypeResolved(klass, name, CHECK_NULL);
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82 } else {
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83 symbolOop name = ((ciKlass *) type)->name()->get_symbolOop();
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84 return VMExits::createRiTypeUnresolved(VmIds::toString<Handle>(name, THREAD), VmIds::add<klassOop>(accessor), THREAD);
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85 }
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86 }
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87
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88 oop C1XCompiler::get_RiField(ciField *field, klassOop accessor, TRAPS) {
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89 oop field_holder = get_RiType(field->holder(), accessor, CHECK_0);
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90 oop field_type = get_RiType(field->type(), accessor, CHECK_0);
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91 Handle field_name = VmIds::toString<Handle>(field->name()->get_symbolOop(), CHECK_0);
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92 int offset = field->holder()->is_loaded() ? field->offset() : -1;
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93
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94 // TODO: implement caching
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95 return VMExits::createRiField(field_holder, field_name, field_type, offset, THREAD);
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96 }
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97
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98 oop C1XCompiler::createHotSpotTypeResolved(KlassHandle klass, Handle name, TRAPS) {
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99 instanceKlass::cast(HotSpotTypeResolved::klass())->initialize(CHECK_NULL);
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100 oop obj = instanceKlass::cast(HotSpotTypeResolved::klass())->allocate_instance(CHECK_NULL);
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101
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102 HotSpotTypeResolved::set_vmId(obj, VmIds::add(klass, VmIds::CLASS));
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103 HotSpotTypeResolved::set_javaMirrorVmId(obj, VmIds::add(klass->java_mirror(), VmIds::CONSTANT));
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104 HotSpotTypeResolved::set_name(obj, name());
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105 HotSpotTypeResolved::set_accessFlags(obj, klass->access_flags().as_int());
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106 HotSpotTypeResolved::set_isInterface(obj, klass->is_interface());
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107 HotSpotTypeResolved::set_isInstanceClass(obj, klass->oop_is_instance());
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108
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109 if (klass->oop_is_javaArray()) {
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110 HotSpotTypeResolved::set_isArrayClass(obj, true);
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111 HotSpotTypeResolved::set_componentType(obj, NULL);
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112 } else {
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113 HotSpotTypeResolved::set_isArrayClass(obj, false);
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114 HotSpotTypeResolved::set_componentType(obj, NULL);
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115 HotSpotTypeResolved::set_isInitialized(obj, instanceKlass::cast(klass())->is_initialized());
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116 HotSpotTypeResolved::set_instanceSize(obj, instanceKlass::cast(klass())->size_helper() * HeapWordSize);
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117 HotSpotTypeResolved::set_hasFinalizer(obj, klass->has_finalizer());
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118 }
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119
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120 // TODO replace these with correct values
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121 HotSpotTypeResolved::set_hasSubclass(obj, false);
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122 HotSpotTypeResolved::set_hasFinalizableSubclass(obj, false);
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123
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124 return obj;
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125 }
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126
1434
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127 BasicType C1XCompiler::kindToBasicType(jchar ch) {
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128 switch(ch) {
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129 case 'z': return T_BOOLEAN;
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130 case 'b': return T_BYTE;
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131 case 's': return T_SHORT;
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132 case 'c': return T_CHAR;
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133 case 'i': return T_INT;
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134 case 'f': return T_FLOAT;
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135 case 'l': return T_LONG;
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136 case 'd': return T_DOUBLE;
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137 case 'a': return T_OBJECT;
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138 case '-': return T_ILLEGAL;
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139 default:
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140 fatal1("unexpected CiKind: %c", ch);
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141 break;
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142 }
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143 }
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144