Mercurial > hg > truffle
annotate src/share/vm/graal/graalCompiler.cpp @ 13989:aaba5b41c953
Merge.
author | Christian Humer <christian.humer@gmail.com> |
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date | Thu, 20 Feb 2014 13:44:39 +0100 |
parents | 49db2c1e3bee |
children | 1f34717ccafa |
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/graalEnv.hpp" |
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32 #include "graal/graalRuntime.hpp" |
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33 #include "runtime/arguments.hpp" |
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34 #include "runtime/compilationPolicy.hpp" |
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35 |
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36 GraalCompiler* GraalCompiler::_instance = NULL; |
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37 |
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38 GraalCompiler::GraalCompiler() : AbstractCompiler(graal) { |
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39 _initialized = false; |
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40 assert(_instance == NULL, "only one instance allowed"); |
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41 _instance = this; |
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42 } |
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43 |
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44 // Initialization |
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45 void GraalCompiler::initialize() { |
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46 |
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47 ThreadToNativeFromVM trans(JavaThread::current()); |
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48 JavaThread* THREAD = JavaThread::current(); |
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49 TRACE_graal_1("GraalCompiler::initialize"); |
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50 |
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51 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); |
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52 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; |
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53 AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)")); |
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54 NOT_LP64(error("check TLAB allocation code for address space conflicts")); |
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55 |
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56 _deopted_leaf_graph_count = 0; |
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57 |
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58 BufferBlob* buffer_blob = initialize_buffer_blob(); |
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59 if (buffer_blob == NULL) { |
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60 // If we are called from JNI_CreateJavaVM we cannot use set_state yet because it takes a lock. |
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61 // set_state(failed); |
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62 } else { |
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63 // set_state(initialized); |
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64 } |
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65 |
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66 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); |
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67 jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl"); |
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68 if (klass == NULL) { |
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69 tty->print_cr("graal CompilerToVMImpl class not found"); |
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70 vm_abort(false); |
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71 } |
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72 env->RegisterNatives(klass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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73 |
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74 ResourceMark rm; |
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75 HandleMark hm; |
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76 { |
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77 GRAAL_VM_ENTRY_MARK; |
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78 check_pending_exception("Could not register natives"); |
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79 } |
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80 |
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81 graal_compute_offsets(); |
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82 |
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83 // Ensure _non_oop_bits is initialized |
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84 Universe::non_oop_word(); |
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85 |
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86 { |
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87 GRAAL_VM_ENTRY_MARK; |
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88 HandleMark hm; |
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89 VMToCompiler::initOptions(); |
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90 for (int i = 0; i < Arguments::num_graal_args(); ++i) { |
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91 const char* arg = Arguments::graal_args_array()[i]; |
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92 Handle option = java_lang_String::create_from_str(arg, THREAD); |
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93 jboolean result = VMToCompiler::setOption(option); |
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94 if (!result) { |
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95 tty->print_cr("Invalid option for graal: -G:%s", arg); |
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96 vm_abort(false); |
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97 } |
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98 } |
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99 VMToCompiler::finalizeOptions(CITime || CITimeEach); |
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100 |
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101 if (UseCompiler) { |
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102 bool bootstrap = GRAALVM_ONLY(BootstrapGraal) NOT_GRAALVM(false); |
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103 VMToCompiler::startCompiler(bootstrap); |
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104 _initialized = true; |
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105 CompilationPolicy::completed_vm_startup(); |
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106 if (bootstrap) { |
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107 // Avoid -Xcomp and -Xbatch problems by turning on interpreter and background compilation for bootstrapping. |
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108 FlagSetting a(UseInterpreter, true); |
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109 FlagSetting b(BackgroundCompilation, true); |
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110 #ifndef PRODUCT |
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111 // Turn off CompileTheWorld during bootstrap so that a counter overflow event |
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112 // triggers further compilation (see NonTieredCompPolicy::event()) hence |
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113 // allowing a complete bootstrap |
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114 FlagSetting c(CompileTheWorld, false); |
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115 #endif |
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116 VMToCompiler::bootstrap(); |
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117 } |
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118 |
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119 #ifndef PRODUCT |
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120 if (CompileTheWorld) { |
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121 // We turn off CompileTheWorld so that Graal can |
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122 // be compiled by C1/C2 when Graal does a CTW. |
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123 CompileTheWorld = false; |
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124 VMToCompiler::compileTheWorld(); |
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125 } |
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126 #endif |
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127 } |
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128 } |
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129 } |
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130 |
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131 void GraalCompiler::deopt_leaf_graph(jlong leaf_graph_id) { |
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132 assert(leaf_graph_id != -1, "unexpected leaf graph id"); |
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133 |
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134 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) { |
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135 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag); |
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136 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) { |
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137 _deopted_leaf_graphs[_deopted_leaf_graph_count++] = leaf_graph_id; |
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138 } |
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139 } |
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140 } |
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141 |
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142 oop GraalCompiler::dump_deopted_leaf_graphs(TRAPS) { |
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143 if (_deopted_leaf_graph_count == 0) { |
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144 return NULL; |
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145 } |
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146 jlong* elements; |
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147 int length; |
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148 { |
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149 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag); |
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150 if (_deopted_leaf_graph_count == 0) { |
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151 return NULL; |
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152 } |
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153 if (_deopted_leaf_graph_count == LEAF_GRAPH_ARRAY_SIZE) { |
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154 length = 0; |
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155 } else { |
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156 length = _deopted_leaf_graph_count; |
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157 } |
10409 | 158 elements = NEW_C_HEAP_ARRAY(jlong, length, mtCompiler); |
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159 for (int i = 0; i < length; i++) { |
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160 elements[i] = _deopted_leaf_graphs[i]; |
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161 } |
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162 _deopted_leaf_graph_count = 0; |
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163 } |
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164 typeArrayOop array = oopFactory::new_longArray(length, CHECK_NULL); |
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165 for (int i = 0; i < length; i++) { |
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166 array->long_at_put(i, elements[i]); |
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167 } |
10409 | 168 FREE_C_HEAP_ARRAY(jlong, elements, mtCompiler); |
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169 return array; |
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170 } |
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171 |
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172 BufferBlob* GraalCompiler::initialize_buffer_blob() { |
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173 JavaThread* THREAD = JavaThread::current(); |
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174 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); |
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175 if (buffer_blob == NULL) { |
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176 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); |
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177 if (buffer_blob != NULL) { |
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178 THREAD->set_buffer_blob(buffer_blob); |
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179 } |
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180 } |
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181 return buffer_blob; |
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182 } |
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183 |
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184 void GraalCompiler::compile_method(methodHandle method, int entry_bci, jboolean blocking) { |
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185 GRAAL_EXCEPTION_CONTEXT |
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186 if (!_initialized) { |
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187 CompilationPolicy::policy()->delay_compilation(method()); |
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188 return; |
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189 } |
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190 |
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191 assert(_initialized, "must already be initialized"); |
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192 ResourceMark rm; |
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193 thread->set_is_graal_compiling(true); |
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194 VMToCompiler::compileMethod(method(), entry_bci, blocking); |
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195 thread->set_is_graal_compiling(false); |
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196 } |
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197 |
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198 // Compilation entry point for methods |
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199 void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
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200 ShouldNotReachHere(); |
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201 } |
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202 |
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203 void GraalCompiler::exit() { |
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204 if (_initialized) { |
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205 VMToCompiler::shutdownCompiler(); |
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206 } |
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207 } |
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208 |
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209 // Print compilation timers and statistics |
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210 void GraalCompiler::print_timers() { |
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211 TRACE_graal_1("GraalCompiler::print_timers"); |
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212 } |
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213 |
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214 Handle GraalCompiler::get_JavaTypeFromSignature(Symbol* signature, KlassHandle loading_klass, TRAPS) { |
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Use GraalEnv to look up types.
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215 BasicType field_type = FieldType::basic_type(signature); |
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216 // If the field is a pointer type, get the klass of the |
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217 // field. |
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218 if (field_type == T_OBJECT || field_type == T_ARRAY) { |
13375 | 219 KlassHandle klass = GraalEnv::get_klass_by_name(loading_klass, signature, false); |
220 if (klass.is_null()) { | |
221 Handle signature_string = java_lang_String::create_from_symbol(signature, CHECK_NH); | |
222 return VMToCompiler::createUnresolvedJavaType(signature_string, CHECK_NH); | |
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223 } else { |
13479 | 224 return VMToCompiler::createResolvedJavaType(klass->java_mirror(), CHECK_NH); |
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225 } |
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226 } else { |
10770 | 227 return VMToCompiler::createPrimitiveJavaType(field_type, CHECK_NH); |
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228 } |
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229 } |
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230 |
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231 Handle GraalCompiler::get_JavaType(constantPoolHandle cp, int index, KlassHandle loading_klass, TRAPS) { |
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232 bool is_accessible = false; |
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233 |
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234 KlassHandle klass = GraalEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); |
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235 oop catch_class = NULL; |
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236 if (klass.is_null()) { |
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237 Symbol* klass_name = NULL; |
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238 { |
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239 // We have to lock the cpool to keep the oop from being resolved |
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240 // while we are accessing it. But we must release the lock before |
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241 // calling up into Java. |
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242 MonitorLockerEx ml(cp->lock()); |
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243 constantTag tag = cp->tag_at(index); |
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244 if (tag.is_klass()) { |
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245 // The klass has been inserted into the constant pool |
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246 // very recently. |
13479 | 247 return VMToCompiler::createResolvedJavaType(cp->resolved_klass_at(index)->java_mirror(), CHECK_NH); |
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248 } else if (tag.is_symbol()) { |
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249 klass_name = cp->symbol_at(index); |
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250 } else { |
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251 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); |
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252 klass_name = cp->unresolved_klass_at(index); |
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253 } |
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254 } |
13375 | 255 Handle klass_name_string = java_lang_String::create_from_symbol(klass_name, CHECK_NH); |
256 return VMToCompiler::createUnresolvedJavaType(klass_name_string, CHECK_NH); | |
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257 } else { |
13479 | 258 return VMToCompiler::createResolvedJavaType(klass->java_mirror(), CHECK_NH); |
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259 } |
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260 } |
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261 |
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262 Handle GraalCompiler::get_JavaField(int offset, int flags, Symbol* field_name, Handle field_holder, Handle field_type, TRAPS) { |
10770 | 263 Handle name = java_lang_String::create_from_symbol(field_name, CHECK_NH); |
264 return VMToCompiler::createJavaField(field_holder, name, field_type, offset, flags, false, CHECK_NH); | |
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265 } |
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266 |
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267 BasicType GraalCompiler::kindToBasicType(jchar ch) { |
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268 switch(ch) { |
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269 case 'z': return T_BOOLEAN; |
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270 case 'b': return T_BYTE; |
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271 case 's': return T_SHORT; |
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272 case 'c': return T_CHAR; |
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273 case 'i': return T_INT; |
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274 case 'f': return T_FLOAT; |
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275 case 'j': return T_LONG; |
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276 case 'd': return T_DOUBLE; |
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277 case 'a': return T_OBJECT; |
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278 case 'r': return T_ADDRESS; |
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279 case '-': return T_ILLEGAL; |
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280 default: |
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281 fatal(err_msg("unexpected Kind: %c", ch)); |
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282 break; |
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283 } |
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284 return T_ILLEGAL; |
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285 } |