Mercurial > hg > graal-jvmci-8
annotate src/share/vm/c1x/c1x_Compiler.cpp @ 1429:abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
* -Dc1x.debug=true turns on the logging proxies and lots of log output on the java side
* provide more information about types to the compiler (type hierarchy, etc)
* provide exception handler tables to the compiler
* add exception handlers to the nmethod
* correct implementation of ExceptionObject
* exception handling/unwinding entry points
* modified versions of handle/unwind exception stubs using standard calling conventions
* exception throwing
* implicit null pointer exception, implicit div by 0 exception
* arraystore/classcast/arrayindex exceptions
* checkcast implementation
* newarray, anewarray, multinewarray implementation
* correct new instance initialization
* access to java class mirrors (for ldc)
* unresolved methods
* class resolving - class patching (asssembly prototype copying)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Tue, 31 Aug 2010 22:13:30 -0700 |
parents | 695451afc619 |
children | b61a43cd1255 |
rev | line source |
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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 |
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26 # include "incls/_precompiled.incl" |
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27 # include "incls/_c1x_Compiler.cpp.incl" |
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28 |
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29 C1XCompiler* C1XCompiler::_instance = NULL; |
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30 |
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31 |
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32 C1XCompiler::C1XCompiler() { |
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33 _initialized = false; |
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34 assert(_instance == NULL, "only one instance allowed"); |
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35 _instance = this; |
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36 } |
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37 |
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38 |
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39 |
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40 // Initialization |
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41 void C1XCompiler::initialize() { |
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42 if (_initialized) return; |
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43 _initialized = true; |
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44 TRACE_C1X_1("C1XCompiler::initialize"); |
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45 |
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46 JNIEnv *env = ((JavaThread *)Thread::current())->jni_environment(); |
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47 jclass klass = env->FindClass("com/sun/hotspot/c1x/VMEntriesNative"); |
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48 assert(klass != NULL, "c1x VMEntries class not found"); |
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49 env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count() ); |
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50 |
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51 check_pending_exception("Could not register natives"); |
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52 |
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53 c1x_compute_offsets(); |
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54 } |
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55 |
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56 // Compilation entry point for methods |
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57 void C1XCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
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58 initialize(); |
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59 |
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60 VM_ENTRY_MARK; |
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61 ResourceMark rm; |
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62 HandleMark hm; |
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63 |
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64 VmIds::initializeObjects(); |
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65 |
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66 CompilerThread::current()->set_compiling(true); |
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67 methodOop method = (methodOop)target->get_oop(); |
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68 VMExits::compileMethod(VmIds::add<methodOop>(method), VmIds::toString<Handle>(method->name(), THREAD), entry_bci); |
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69 CompilerThread::current()->set_compiling(false); |
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70 |
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71 VmIds::cleanupLocalObjects(); |
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72 } |
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73 |
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74 // Print compilation timers and statistics |
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75 void C1XCompiler::print_timers() { |
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76 TRACE_C1X_1("C1XCompiler::print_timers"); |
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77 } |
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78 |
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79 oop C1XCompiler::get_RiType(ciType *type, klassOop accessor, TRAPS) { |
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80 if (type->is_loaded()) { |
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81 if (type->is_primitive_type()) { |
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82 return VMExits::createRiTypePrimitive((int)type->basic_type(), THREAD); |
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83 } |
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84 KlassHandle klass = (klassOop)type->get_oop(); |
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85 Handle name = VmIds::toString<Handle>(klass->name(), THREAD); |
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86 return createHotSpotTypeResolved(klass, name, CHECK_NULL); |
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87 } else { |
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88 symbolOop name = ((ciKlass *)type)->name()->get_symbolOop(); |
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89 return VMExits::createRiTypeUnresolved(VmIds::toString<Handle>(name, THREAD), VmIds::add<klassOop>(accessor), THREAD); |
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90 } |
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91 } |
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92 |
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93 oop C1XCompiler::get_RiField(ciField *field, TRAPS) { |
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94 oop field_holder = get_RiType(field->holder(), NULL, CHECK_0); |
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95 oop field_type = get_RiType(field->type(), NULL, CHECK_0); |
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96 Handle field_name = VmIds::toString<Handle>(field->name()->get_symbolOop(), CHECK_0); |
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97 int offset = field->offset(); |
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98 |
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99 // TODO: implement caching |
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100 return VMExits::createRiField(field_holder, field_name, field_type, offset, THREAD); |
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101 } |
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102 |
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103 |
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104 oop C1XCompiler::createHotSpotTypeResolved(KlassHandle klass, Handle name, TRAPS) { |
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105 instanceKlass::cast(HotSpotTypeResolved::klass())->initialize(CHECK_NULL); |
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106 oop obj = instanceKlass::cast(HotSpotTypeResolved::klass())->allocate_instance(CHECK_NULL); |
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107 |
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108 HotSpotTypeResolved::set_vmId(obj, VmIds::add(klass, VmIds::CLASS)); |
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109 HotSpotTypeResolved::set_javaMirrorVmId(obj, VmIds::add(klass->java_mirror(), VmIds::CONSTANT)); |
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110 HotSpotTypeResolved::set_name(obj, name()); |
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111 HotSpotTypeResolved::set_accessFlags(obj, klass->access_flags().as_int()); |
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112 HotSpotTypeResolved::set_isInterface(obj, klass->is_interface()); |
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113 HotSpotTypeResolved::set_isInstanceClass(obj, klass->oop_is_instance()); |
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114 |
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115 if (klass->oop_is_javaArray()) { |
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116 HotSpotTypeResolved::set_isArrayClass(obj, true); |
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117 } else { |
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118 HotSpotTypeResolved::set_isArrayClass(obj, false); |
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119 HotSpotTypeResolved::set_isInitialized(obj, instanceKlass::cast(klass())->is_initialized()); |
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120 HotSpotTypeResolved::set_instanceSize(obj, instanceKlass::cast(klass())->size_helper() * HeapWordSize); |
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121 HotSpotTypeResolved::set_hasFinalizer(obj, klass->has_finalizer()); |
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122 } |
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123 |
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124 // TODO replace these with correct values |
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125 HotSpotTypeResolved::set_hasSubclass(obj, false); |
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126 HotSpotTypeResolved::set_hasFinalizableSubclass(obj, false); |
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127 |
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128 return obj; |
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129 } |
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130 |
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131 |
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132 |