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annotate src/share/vm/c1x/c1x_Compiler.cpp @ 1413:1ecc8f0aad00

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Draft implementation of HotSpot CRI / first method compiling without exception.
author Thomas Wuerthinger <thomas.wuerthinger@gmail.com>
date Tue, 18 May 2010 17:43:37 +0200
parents 9195b99c841b
children e1a275dbc8cd
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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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29
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30 // Initialization
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31 void C1XCompiler::initialize() {
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32 TRACE_C1X_1("initialize");
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33
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34 JNIEnv *env = ((JavaThread *)Thread::current())->jni_environment();
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35 jclass klass = env->FindClass("com/sun/hotspot/c1x/VMEntries");
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36 env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count() );
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37
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38 if (Thread::current()->has_pending_exception()) {
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39
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40 Thread::current()->pending_exception()->print();
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41 fatal("Could not register natives");
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42 }
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43 }
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44
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45 // Compilation entry point for methods
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46 void C1XCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
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47
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48 initialize();
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49
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50 VM_ENTRY_MARK;
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51
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52
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53 ResourceMark rm;
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54 HandleMark hm;
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55
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56 CompilerThread::current()->set_compiling(true);
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57 oop rimethod = get_RiMethod(target);
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58 VMExits::compileMethod(rimethod, entry_bci);
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59 CompilerThread::current()->set_compiling(false);
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60 }
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61
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62 // Print compilation timers and statistics
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63 void C1XCompiler::print_timers() {
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64 TRACE_C1X_1("print_timers");
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65 }
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66
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67 oop C1XCompiler::get_RiMethod(ciMethod *method) {
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68 methodOop m = (methodOop)method->get_oop();
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69 return get_RiMethod(m);
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70 }
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71
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72 oop C1XCompiler::get_RiField(ciField *field) {
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73 oop field_holder = get_RiType(field->holder());
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74 oop field_type = get_RiType(field->type());
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75 symbolOop field_name = field->name()->get_symbolOop();
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76 int offset = field->offset();
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77
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78 // TODO: implement caching
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79 return VMExits::createRiField(field_holder, field_name, field_type, offset);
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80 }
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81
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82 oop C1XCompiler::get_RiMethod(methodOop m) {
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83 // TODO: implement caching
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84 return VMExits::createRiMethod(m);
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85 }
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86
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87 oop C1XCompiler::get_RiType(ciType *type) {
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88 if (type->is_loaded()) {
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89 if (type->is_primitive_type()) {
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90 return VMExits::createRiTypePrimitive((int)type->basic_type());
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91 }
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92 return get_RiType((klassOop)type->get_oop());
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93 } else {
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94 return get_unresolved_RiType(((ciKlass *)type)->name()->get_symbolOop(), NULL);
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95 }
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96 }
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97
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98 oop C1XCompiler::get_RiType(klassOop klass) {
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99 // TODO: implement caching
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100 return VMExits::createRiType(klass);
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101 }
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102
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103 oop C1XCompiler::get_RiConstantPool(constantPoolOop cp) {
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104 // TODO: implement caching
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105 return VMExits::createRiConstantPool(cp);
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106 }
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107
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108 oop C1XCompiler::get_RiType(symbolOop klass, klassOop accessingType) {
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109 klassOop resolved_type = SystemDictionary::resolve_or_null(klass, accessingType->klass_part()->class_loader(), accessingType->klass_part()->protection_domain(), Thread::current());
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110 if (resolved_type == NULL) {
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111 return get_RiType(resolved_type);
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112 } else {
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113 return get_unresolved_RiType(klass, accessingType);
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114 }
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115 }
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116
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117 oop C1XCompiler::get_unresolved_RiType(symbolOop klass, klassOop accessingType) {
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118 // TODO: implement caching
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119 return VMExits::createRiTypeUnresolved(klass, accessingType);
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120 }