Mercurial > hg > graal-compiler
annotate src/share/vm/graal/graalCompiler.cpp @ 6950:41938af2b3d8
modifications to support non-perm-gen changes in HotSpot
fixed issue when intrinsifying Class.getModifiers() for primitive classes
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 14 Nov 2012 11:28:02 +0100 |
parents | e522a00b91aa |
children | 9ba90252ce08 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 #include "precompiled.hpp" |
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25 #include "memory/oopFactory.hpp" |
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26 #include "runtime/javaCalls.hpp" |
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27 #include "graal/graalCompiler.hpp" |
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28 #include "graal/graalJavaAccess.hpp" |
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29 #include "graal/graalVMToCompiler.hpp" |
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30 #include "graal/graalCompilerToVM.hpp" |
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31 #include "graal/graalVmIds.hpp" |
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32 #include "graal/graalEnv.hpp" |
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33 #include "c1/c1_Runtime1.hpp" |
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34 #include "runtime/arguments.hpp" |
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35 #include "runtime/compilationPolicy.hpp" |
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36 |
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37 GraalCompiler* GraalCompiler::_instance = NULL; |
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38 |
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39 GraalCompiler::GraalCompiler() { |
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40 _initialized = false; |
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41 assert(_instance == NULL, "only one instance allowed"); |
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42 _instance = this; |
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43 } |
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44 |
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45 // Initialization |
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46 void GraalCompiler::initialize() { |
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47 |
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48 ThreadToNativeFromVM trans(JavaThread::current()); |
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49 JavaThread* THREAD = JavaThread::current(); |
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50 TRACE_graal_1("GraalCompiler::initialize"); |
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51 |
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52 _deopted_leaf_graph_count = 0; |
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53 |
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54 initialize_buffer_blob(); |
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55 Runtime1::initialize(THREAD->get_buffer_blob()); |
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56 |
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57 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); |
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58 jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl"); |
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59 if (klass == NULL) { |
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60 tty->print_cr("graal CompilerToVMImpl class not found"); |
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61 vm_abort(false); |
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62 } |
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63 env->RegisterNatives(klass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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64 |
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65 ResourceMark rm; |
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66 HandleMark hm; |
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67 { |
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68 VM_ENTRY_MARK; |
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69 check_pending_exception("Could not register natives"); |
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70 } |
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71 |
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72 graal_compute_offsets(); |
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73 |
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74 { |
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75 VM_ENTRY_MARK; |
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76 HandleMark hm; |
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77 VMToCompiler::setDefaultOptions(); |
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78 for (int i = 0; i < Arguments::num_graal_args(); ++i) { |
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79 const char* arg = Arguments::graal_args_array()[i]; |
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80 Handle option = java_lang_String::create_from_str(arg, THREAD); |
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81 jboolean result = VMToCompiler::setOption(option); |
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82 if (!result) { |
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83 tty->print_cr("Invalid option for graal: -G:%s", arg); |
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84 vm_abort(false); |
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85 } |
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86 } |
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87 if (UseCompiler) { |
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88 VMToCompiler::startCompiler(); |
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89 _initialized = true; |
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90 if (BootstrapGraal) { |
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91 VMToCompiler::bootstrap(); |
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92 } |
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93 } |
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94 } |
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95 } |
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96 |
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97 void GraalCompiler::deopt_leaf_graph(jlong leaf_graph_id) { |
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98 assert(leaf_graph_id != -1, "unexpected leaf graph id"); |
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99 |
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100 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) { |
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101 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag); |
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102 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) { |
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103 _deopted_leaf_graphs[_deopted_leaf_graph_count++] = leaf_graph_id; |
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104 } |
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105 } |
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106 } |
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107 |
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108 oop GraalCompiler::dump_deopted_leaf_graphs(TRAPS) { |
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109 if (_deopted_leaf_graph_count == 0) { |
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110 return NULL; |
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111 } |
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112 jlong* elements; |
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113 int length; |
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114 { |
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115 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag); |
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116 if (_deopted_leaf_graph_count == 0) { |
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117 return NULL; |
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118 } |
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119 if (_deopted_leaf_graph_count == LEAF_GRAPH_ARRAY_SIZE) { |
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120 length = 0; |
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121 } else { |
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122 length = _deopted_leaf_graph_count; |
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123 } |
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124 elements = new jlong[length]; |
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125 for (int i = 0; i < length; i++) { |
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126 elements[i] = _deopted_leaf_graphs[i]; |
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127 } |
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128 _deopted_leaf_graph_count = 0; |
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129 } |
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130 typeArrayOop array = oopFactory::new_longArray(length, CHECK_NULL); |
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131 for (int i = 0; i < length; i++) { |
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132 array->long_at_put(i, elements[i]); |
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133 } |
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134 delete elements; |
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135 return array; |
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136 } |
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137 |
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138 void GraalCompiler::initialize_buffer_blob() { |
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139 |
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140 JavaThread* THREAD = JavaThread::current(); |
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141 if (THREAD->get_buffer_blob() == NULL) { |
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142 // setup CodeBuffer. Preallocate a BufferBlob of size |
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143 // NMethodSizeLimit plus some extra space for constants. |
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144 int code_buffer_size = Compilation::desired_max_code_buffer_size() + |
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145 Compilation::desired_max_constant_size(); |
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146 BufferBlob* blob = BufferBlob::create("graal temporary CodeBuffer", |
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147 code_buffer_size); |
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148 guarantee(blob != NULL, "must create code buffer"); |
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149 THREAD->set_buffer_blob(blob); |
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150 } |
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151 } |
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152 |
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153 void GraalCompiler::compile_method(methodHandle method, int entry_bci, jboolean blocking) { |
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154 EXCEPTION_CONTEXT |
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155 if (!_initialized) { |
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156 method->clear_queued_for_compilation(); |
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157 method->invocation_counter()->reset(); |
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158 method->backedge_counter()->reset(); |
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159 return; |
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160 } |
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161 |
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162 assert(_initialized, "must already be initialized"); |
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163 ResourceMark rm; |
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164 ciEnv* current_env = JavaThread::current()->env(); |
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165 JavaThread::current()->set_env(NULL); |
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166 JavaThread::current()->set_compiling(true); |
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167 Handle holder = GraalCompiler::createHotSpotResolvedJavaType(method, CHECK); |
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168 jboolean success = VMToCompiler::compileMethod(method(), holder, entry_bci, blocking, method->graal_priority()); |
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169 JavaThread::current()->set_compiling(false); |
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170 JavaThread::current()->set_env(current_env); |
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171 if (success != JNI_TRUE) { |
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172 method->clear_queued_for_compilation(); |
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173 CompilationPolicy::policy()->delay_compilation(method()); |
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174 } |
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175 } |
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176 |
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177 // Compilation entry point for methods |
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178 void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
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179 ShouldNotReachHere(); |
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180 } |
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181 |
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182 void GraalCompiler::exit() { |
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183 if (_initialized) { |
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184 VMToCompiler::shutdownCompiler(); |
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185 } |
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186 } |
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187 |
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188 // Print compilation timers and statistics |
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189 void GraalCompiler::print_timers() { |
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190 TRACE_graal_1("GraalCompiler::print_timers"); |
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191 } |
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192 |
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193 Handle GraalCompiler::get_JavaType(Symbol* klass_name, TRAPS) { |
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194 return VMToCompiler::createUnresolvedJavaType(VmIds::toString<Handle>(klass_name, THREAD), THREAD); |
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195 } |
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196 |
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197 Handle GraalCompiler::get_JavaTypeFromSignature(Symbol* signature, KlassHandle loading_klass, TRAPS) { |
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198 |
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199 BasicType field_type = FieldType::basic_type(signature); |
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200 // If the field is a pointer type, get the klass of the |
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201 // field. |
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202 if (field_type == T_OBJECT || field_type == T_ARRAY) { |
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203 KlassHandle handle = GraalEnv::get_klass_by_name(loading_klass, signature, false); |
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204 if (handle.is_null()) { |
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205 return get_JavaType(signature, CHECK_NULL); |
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206 } else { |
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207 return get_JavaType(handle, CHECK_NULL); |
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208 } |
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209 } else { |
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210 return VMToCompiler::createPrimitiveJavaType(field_type, CHECK_NULL); |
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211 } |
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212 } |
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213 |
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214 Handle GraalCompiler::get_JavaType(constantPoolHandle cp, int index, KlassHandle loading_klass, TRAPS) { |
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215 bool is_accessible = false; |
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216 |
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217 KlassHandle klass = GraalEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); |
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218 oop catch_class = NULL; |
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219 if (klass.is_null()) { |
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220 Symbol* klass_name = NULL; |
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221 { |
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222 // We have to lock the cpool to keep the oop from being resolved |
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223 // while we are accessing it. But we must release the lock before |
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224 // calling up into Java. |
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225 MonitorLockerEx ml(cp->lock()); |
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226 constantTag tag = cp->tag_at(index); |
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227 if (tag.is_klass()) { |
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228 // The klass has been inserted into the constant pool |
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229 // very recently. |
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230 return GraalCompiler::get_JavaType(cp->resolved_klass_at(index), CHECK_NULL); |
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231 } else if (tag.is_symbol()) { |
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232 klass_name = cp->symbol_at(index); |
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233 } else { |
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234 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); |
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235 klass_name = cp->unresolved_klass_at(index); |
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236 } |
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237 } |
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238 return GraalCompiler::get_JavaType(klass_name, CHECK_NULL); |
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239 } else { |
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240 return GraalCompiler::get_JavaType(klass, CHECK_NULL); |
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241 } |
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242 } |
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243 |
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244 Handle GraalCompiler::get_JavaTypeFromClass(Handle java_class, TRAPS) { |
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245 oop graal_mirror = java_lang_Class::graal_mirror(java_class()); |
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246 if (graal_mirror != NULL) { |
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247 return graal_mirror; |
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248 } |
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249 |
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250 if (java_lang_Class::is_primitive(java_class())) { |
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251 BasicType basicType = java_lang_Class::primitive_type(java_class()); |
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252 return VMToCompiler::createPrimitiveJavaType((int) basicType, THREAD); |
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253 } else { |
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254 KlassHandle klass = java_lang_Class::as_Klass(java_class()); |
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255 Handle name = java_lang_String::create_from_symbol(klass->name(), CHECK_NULL); |
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256 return GraalCompiler::createHotSpotResolvedJavaType(klass, name, CHECK_NULL); |
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257 } |
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258 } |
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259 |
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260 Handle GraalCompiler::get_JavaType(KlassHandle klass, TRAPS) { |
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261 Handle name = VmIds::toString<Handle>(klass->name(), THREAD); |
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262 return createHotSpotResolvedJavaType(klass, name, CHECK_NULL); |
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263 } |
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264 |
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265 Handle GraalCompiler::get_JavaField(int offset, int flags, Symbol* field_name, Handle field_holder, Handle field_type, TRAPS) { |
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266 Handle name = VmIds::toString<Handle>(field_name, CHECK_NULL); |
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267 return VMToCompiler::createJavaField(field_holder, name, field_type, offset, flags, false, CHECK_NULL); |
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268 } |
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269 |
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270 Handle GraalCompiler::createHotSpotResolvedJavaType(methodHandle method, TRAPS) { |
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271 KlassHandle klass = method->method_holder(); |
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272 oop java_class = klass->java_mirror(); |
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273 oop graal_mirror = java_lang_Class::graal_mirror(java_class); |
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274 if (graal_mirror != NULL) { |
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275 assert(graal_mirror->is_a(HotSpotResolvedJavaType::klass()), "unexpected class..."); |
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276 return graal_mirror; |
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277 } |
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278 Handle name = java_lang_String::create_from_symbol(klass->name(), CHECK_NULL); |
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279 return GraalCompiler::createHotSpotResolvedJavaType(klass, name, CHECK_NULL); |
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280 } |
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281 |
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282 Handle GraalCompiler::createHotSpotResolvedJavaType(KlassHandle klass, Handle name, TRAPS) { |
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283 oop java_class = klass->java_mirror(); |
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284 oop graal_mirror = java_lang_Class::graal_mirror(java_class); |
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285 if (graal_mirror != NULL) { |
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286 assert(graal_mirror->is_a(HotSpotResolvedJavaType::klass()), "unexpected class..."); |
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287 return graal_mirror; |
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288 } |
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289 |
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290 Handle simpleName = name; |
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291 if (klass->oop_is_instance()) { |
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292 ResourceMark rm; |
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293 InstanceKlass* ik = (InstanceKlass*) klass(); |
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294 name = java_lang_String::create_from_str(ik->signature_name(), CHECK_NULL); |
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295 } |
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296 |
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297 // TODO replace this with the correct value |
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298 bool hasFinalizableSubclass = false; |
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299 |
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300 int sizeOrSpecies; |
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301 if (klass->is_interface()) { |
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302 sizeOrSpecies = (int) 0x80000000; // see HotSpotResolvedJavaType.INTERFACE_SPECIES_VALUE |
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303 } else if (klass->oop_is_array()) { |
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304 sizeOrSpecies = (int) 0x7fffffff; // see HotSpotResolvedJavaType.ARRAY_SPECIES_VALUE |
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305 } else { |
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306 sizeOrSpecies = InstanceKlass::cast(klass())->size_helper() * HeapWordSize; |
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307 if (!InstanceKlass::cast(klass())->can_be_fastpath_allocated()) { |
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308 sizeOrSpecies = -sizeOrSpecies; |
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309 } |
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310 } |
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311 |
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312 return VMToCompiler::createResolvedJavaType(klass(), name, simpleName, java_class, hasFinalizableSubclass, sizeOrSpecies, CHECK_NULL); |
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313 } |
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314 |
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315 BasicType GraalCompiler::kindToBasicType(jchar ch) { |
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316 switch(ch) { |
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317 case 'z': return T_BOOLEAN; |
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318 case 'b': return T_BYTE; |
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319 case 's': return T_SHORT; |
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320 case 'c': return T_CHAR; |
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321 case 'i': return T_INT; |
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322 case 'f': return T_FLOAT; |
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323 case 'j': return T_LONG; |
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324 case 'd': return T_DOUBLE; |
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325 case 'a': return T_OBJECT; |
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326 case 'r': return T_ADDRESS; |
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327 case '-': return T_ILLEGAL; |
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328 default: |
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329 fatal(err_msg("unexpected Kind: %c", ch)); |
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330 break; |
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331 } |
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332 return T_ILLEGAL; |
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333 } |