Mercurial > hg > truffle
annotate src/share/vm/graal/graalRuntime.cpp @ 21211:6b11405f0279
Fix typo
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Mon, 04 May 2015 08:49:06 +0200 |
parents | 85b0935625c1 |
children | 93dc70e47fb0 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 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 "asm/codeBuffer.hpp" |
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26 #include "compiler/compileBroker.hpp" |
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27 #include "compiler/disassembler.hpp" |
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28 #include "graal/graalRuntime.hpp" |
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29 #include "graal/graalCompilerToVM.hpp" |
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30 #include "graal/graalCompiler.hpp" |
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31 #include "graal/graalJavaAccess.hpp" |
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32 #include "graal/graalEnv.hpp" |
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33 #include "memory/oopFactory.hpp" |
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34 #include "prims/jvm.h" |
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35 #include "runtime/biasedLocking.hpp" |
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36 #include "runtime/interfaceSupport.hpp" |
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37 #include "runtime/arguments.hpp" |
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38 #include "runtime/reflection.hpp" |
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39 #include "utilities/debug.hpp" |
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40 |
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41 jobject GraalRuntime::_HotSpotGraalRuntime_instance = NULL; |
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42 bool GraalRuntime::_HotSpotGraalRuntime_initialized = false; |
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43 bool GraalRuntime::_shutdown_called = false; |
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44 |
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45 void GraalRuntime::initialize_natives(JNIEnv *env, jclass c2vmClass) { |
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46 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); |
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47 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; |
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48 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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49 NOT_LP64(error("check TLAB allocation code for address space conflicts")); |
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50 |
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51 ensure_graal_class_loader_is_initialized(); |
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52 |
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53 JavaThread* THREAD = JavaThread::current(); |
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54 { |
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55 ThreadToNativeFromVM trans(THREAD); |
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56 |
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57 ResourceMark rm; |
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58 HandleMark hm; |
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59 |
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60 graal_compute_offsets(); |
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61 |
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62 // Ensure _non_oop_bits is initialized |
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63 Universe::non_oop_word(); |
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64 |
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65 env->RegisterNatives(c2vmClass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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66 } |
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67 if (HAS_PENDING_EXCEPTION) { |
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68 abort_on_pending_exception(PENDING_EXCEPTION, "Could not register natives"); |
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69 } |
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70 } |
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71 |
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72 BufferBlob* GraalRuntime::initialize_buffer_blob() { |
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73 JavaThread* THREAD = JavaThread::current(); |
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74 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); |
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75 if (buffer_blob == NULL) { |
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76 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); |
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77 if (buffer_blob != NULL) { |
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78 THREAD->set_buffer_blob(buffer_blob); |
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79 } |
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80 } |
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81 return buffer_blob; |
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82 } |
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83 |
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84 BasicType GraalRuntime::kindToBasicType(jchar ch) { |
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85 switch(ch) { |
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86 case 'z': return T_BOOLEAN; |
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87 case 'b': return T_BYTE; |
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88 case 's': return T_SHORT; |
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89 case 'c': return T_CHAR; |
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90 case 'i': return T_INT; |
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91 case 'f': return T_FLOAT; |
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92 case 'j': return T_LONG; |
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93 case 'd': return T_DOUBLE; |
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94 case 'a': return T_OBJECT; |
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95 case '-': return T_ILLEGAL; |
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96 default: |
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97 fatal(err_msg("unexpected Kind: %c", ch)); |
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98 break; |
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99 } |
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100 return T_ILLEGAL; |
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101 } |
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102 |
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103 // Simple helper to see if the caller of a runtime stub which |
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104 // entered the VM has been deoptimized |
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105 |
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106 static bool caller_is_deopted() { |
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107 JavaThread* thread = JavaThread::current(); |
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108 RegisterMap reg_map(thread, false); |
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109 frame runtime_frame = thread->last_frame(); |
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110 frame caller_frame = runtime_frame.sender(®_map); |
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111 assert(caller_frame.is_compiled_frame(), "must be compiled"); |
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112 return caller_frame.is_deoptimized_frame(); |
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113 } |
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114 |
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115 // Stress deoptimization |
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116 static void deopt_caller() { |
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117 if ( !caller_is_deopted()) { |
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118 JavaThread* thread = JavaThread::current(); |
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119 RegisterMap reg_map(thread, false); |
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120 frame runtime_frame = thread->last_frame(); |
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121 frame caller_frame = runtime_frame.sender(®_map); |
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122 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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123 assert(caller_is_deopted(), "Must be deoptimized"); |
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124 } |
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125 } |
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126 |
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127 JRT_BLOCK_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) |
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128 JRT_BLOCK; |
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129 assert(klass->is_klass(), "not a class"); |
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130 instanceKlassHandle h(thread, klass); |
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131 h->check_valid_for_instantiation(true, CHECK); |
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132 // make sure klass is initialized |
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133 h->initialize(CHECK); |
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134 // allocate instance and return via TLS |
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135 oop obj = h->allocate_instance(CHECK); |
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136 thread->set_vm_result(obj); |
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137 JRT_BLOCK_END; |
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138 |
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139 if (GraalDeferredInitBarriers) { |
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140 new_store_pre_barrier(thread); |
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141 } |
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142 JRT_END |
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143 |
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144 JRT_BLOCK_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) |
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145 JRT_BLOCK; |
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146 // Note: no handle for klass needed since they are not used |
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147 // anymore after new_objArray() and no GC can happen before. |
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148 // (This may have to change if this code changes!) |
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149 assert(array_klass->is_klass(), "not a class"); |
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150 oop obj; |
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151 if (array_klass->oop_is_typeArray()) { |
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152 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); |
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153 obj = oopFactory::new_typeArray(elt_type, length, CHECK); |
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154 } else { |
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155 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); |
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156 obj = oopFactory::new_objArray(elem_klass, length, CHECK); |
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157 } |
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158 thread->set_vm_result(obj); |
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159 // This is pretty rare but this runtime patch is stressful to deoptimization |
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160 // if we deoptimize here so force a deopt to stress the path. |
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161 if (DeoptimizeALot) { |
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162 static int deopts = 0; |
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163 // Alternate between deoptimizing and raising an error (which will also cause a deopt) |
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164 if (deopts++ % 2 == 0) { |
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165 ResourceMark rm(THREAD); |
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166 THROW(vmSymbols::java_lang_OutOfMemoryError()); |
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167 } else { |
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168 deopt_caller(); |
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169 } |
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170 } |
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171 JRT_BLOCK_END; |
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172 |
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173 if (GraalDeferredInitBarriers) { |
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174 new_store_pre_barrier(thread); |
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175 } |
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176 JRT_END |
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177 |
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178 void GraalRuntime::new_store_pre_barrier(JavaThread* thread) { |
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179 // After any safepoint, just before going back to compiled code, |
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180 // we inform the GC that we will be doing initializing writes to |
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181 // this object in the future without emitting card-marks, so |
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182 // GC may take any compensating steps. |
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183 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
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184 |
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185 oop new_obj = thread->vm_result(); |
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186 if (new_obj == NULL) return; |
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187 |
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188 assert(Universe::heap()->can_elide_tlab_store_barriers(), |
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189 "compiler must check this first"); |
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190 // GC may decide to give back a safer copy of new_obj. |
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191 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
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192 thread->set_vm_result(new_obj); |
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193 } |
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194 |
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195 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) |
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196 assert(klass->is_klass(), "not a class"); |
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197 assert(rank >= 1, "rank must be nonzero"); |
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198 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); |
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199 thread->set_vm_result(obj); |
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200 JRT_END |
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201 |
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202 JRT_ENTRY(void, GraalRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) |
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203 oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); |
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204 thread->set_vm_result(obj); |
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205 JRT_END |
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206 |
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207 JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) |
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208 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); |
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209 |
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210 if (klass == NULL) { |
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211 ResourceMark rm(THREAD); |
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212 THROW(vmSymbols::java_lang_InstantiationException()); |
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213 } |
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214 |
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215 // Create new instance (the receiver) |
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216 klass->check_valid_for_instantiation(false, CHECK); |
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217 |
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218 // Make sure klass gets initialized |
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219 klass->initialize(CHECK); |
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220 |
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221 oop obj = klass->allocate_instance(CHECK); |
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222 thread->set_vm_result(obj); |
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223 JRT_END |
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224 |
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225 extern void vm_exit(int code); |
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226 |
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227 // Enter this method from compiled code handler below. This is where we transition |
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228 // to VM mode. This is done as a helper routine so that the method called directly |
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229 // from compiled code does not have to transition to VM. This allows the entry |
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230 // method to see if the nmethod that we have just looked up a handler for has |
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231 // been deoptimized while we were in the vm. This simplifies the assembly code |
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232 // cpu directories. |
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233 // |
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234 // We are entering here from exception stub (via the entry method below) |
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235 // If there is a compiled exception handler in this method, we will continue there; |
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236 // otherwise we will unwind the stack and continue at the caller of top frame method |
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237 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to |
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238 // control the area where we can allow a safepoint. After we exit the safepoint area we can |
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239 // check to see if the handler we are going to return is now in a nmethod that has |
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240 // been deoptimized. If that is the case we return the deopt blob |
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241 // unpack_with_exception entry instead. This makes life for the exception blob easier |
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242 // because making that same check and diverting is painful from assembly language. |
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243 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) |
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244 // Reset method handle flag. |
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245 thread->set_is_method_handle_return(false); |
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246 |
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247 Handle exception(thread, ex); |
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248 nm = CodeCache::find_nmethod(pc); |
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249 assert(nm != NULL, "this is not an nmethod"); |
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250 // Adjust the pc as needed/ |
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251 if (nm->is_deopt_pc(pc)) { |
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252 RegisterMap map(thread, false); |
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253 frame exception_frame = thread->last_frame().sender(&map); |
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254 // if the frame isn't deopted then pc must not correspond to the caller of last_frame |
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255 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); |
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256 pc = exception_frame.pc(); |
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257 } |
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258 #ifdef ASSERT |
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259 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); |
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260 assert(exception->is_oop(), "just checking"); |
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261 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError |
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262 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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263 if (ExitVMOnVerifyError) vm_exit(-1); |
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264 ShouldNotReachHere(); |
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265 } |
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266 #endif |
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267 |
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268 // Check the stack guard pages and reenable them if necessary and there is |
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269 // enough space on the stack to do so. Use fast exceptions only if the guard |
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270 // pages are enabled. |
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271 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); |
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272 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); |
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273 |
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274 if (JvmtiExport::can_post_on_exceptions()) { |
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275 // To ensure correct notification of exception catches and throws |
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276 // we have to deoptimize here. If we attempted to notify the |
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277 // catches and throws during this exception lookup it's possible |
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278 // we could deoptimize on the way out of the VM and end back in |
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279 // the interpreter at the throw site. This would result in double |
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280 // notifications since the interpreter would also notify about |
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281 // these same catches and throws as it unwound the frame. |
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282 |
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283 RegisterMap reg_map(thread); |
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284 frame stub_frame = thread->last_frame(); |
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285 frame caller_frame = stub_frame.sender(®_map); |
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286 |
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287 // We don't really want to deoptimize the nmethod itself since we |
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288 // can actually continue in the exception handler ourselves but I |
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289 // don't see an easy way to have the desired effect. |
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290 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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291 assert(caller_is_deopted(), "Must be deoptimized"); |
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292 |
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293 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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294 } |
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295 |
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296 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions |
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297 if (guard_pages_enabled) { |
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298 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); |
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299 if (fast_continuation != NULL) { |
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300 // Set flag if return address is a method handle call site. |
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301 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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302 return fast_continuation; |
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303 } |
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304 } |
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305 |
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306 // If the stack guard pages are enabled, check whether there is a handler in |
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307 // the current method. Otherwise (guard pages disabled), force an unwind and |
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308 // skip the exception cache update (i.e., just leave continuation==NULL). |
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309 address continuation = NULL; |
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310 if (guard_pages_enabled) { |
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311 |
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312 // New exception handling mechanism can support inlined methods |
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313 // with exception handlers since the mappings are from PC to PC |
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314 |
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315 // debugging support |
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316 // tracing |
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317 if (TraceExceptions) { |
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318 ttyLocker ttyl; |
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319 ResourceMark rm; |
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320 tty->print_cr("Exception <%s> (" INTPTR_FORMAT ") thrown in compiled method <%s> at PC " INTPTR_FORMAT " for thread " INTPTR_FORMAT "", |
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321 exception->print_value_string(), p2i((address)exception()), nm->method()->print_value_string(), p2i(pc), p2i(thread)); |
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322 } |
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323 // for AbortVMOnException flag |
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324 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); |
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325 |
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326 // Clear out the exception oop and pc since looking up an |
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327 // exception handler can cause class loading, which might throw an |
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328 // exception and those fields are expected to be clear during |
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329 // normal bytecode execution. |
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330 thread->clear_exception_oop_and_pc(); |
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331 |
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332 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); |
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333 // If an exception was thrown during exception dispatch, the exception oop may have changed |
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334 thread->set_exception_oop(exception()); |
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335 thread->set_exception_pc(pc); |
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336 |
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337 // the exception cache is used only by non-implicit exceptions |
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338 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { |
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339 nm->add_handler_for_exception_and_pc(exception, pc, continuation); |
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340 } |
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341 } |
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342 |
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343 // Set flag if return address is a method handle call site. |
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344 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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345 |
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346 if (TraceExceptions) { |
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347 ttyLocker ttyl; |
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348 ResourceMark rm; |
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349 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, |
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350 p2i(thread), p2i(continuation), p2i(pc)); |
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351 } |
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352 |
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353 return continuation; |
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354 JRT_END |
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355 |
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356 // Enter this method from compiled code only if there is a Java exception handler |
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357 // in the method handling the exception. |
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358 // We are entering here from exception stub. We don't do a normal VM transition here. |
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359 // We do it in a helper. This is so we can check to see if the nmethod we have just |
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360 // searched for an exception handler has been deoptimized in the meantime. |
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361 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { |
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362 oop exception = thread->exception_oop(); |
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363 address pc = thread->exception_pc(); |
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364 // Still in Java mode |
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365 DEBUG_ONLY(ResetNoHandleMark rnhm); |
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366 nmethod* nm = NULL; |
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367 address continuation = NULL; |
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368 { |
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369 // Enter VM mode by calling the helper |
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370 ResetNoHandleMark rnhm; |
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371 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); |
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372 } |
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373 // Back in JAVA, use no oops DON'T safepoint |
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374 |
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375 // Now check to see if the nmethod we were called from is now deoptimized. |
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376 // If so we must return to the deopt blob and deoptimize the nmethod |
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377 if (nm != NULL && caller_is_deopted()) { |
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378 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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379 } |
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380 |
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381 assert(continuation != NULL, "no handler found"); |
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382 return continuation; |
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383 } |
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384 |
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385 JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) |
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386 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
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387 thread->set_vm_result(PENDING_EXCEPTION); |
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388 CLEAR_PENDING_EXCEPTION; |
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389 JRT_END |
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390 |
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391 JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) |
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392 char message[jintAsStringSize]; |
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393 sprintf(message, "%d", index); |
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394 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); |
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395 thread->set_vm_result(PENDING_EXCEPTION); |
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396 CLEAR_PENDING_EXCEPTION; |
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397 JRT_END |
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398 |
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399 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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400 if (TraceGraal >= 3) { |
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401 char type[O_BUFLEN]; |
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402 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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403 markOop mark = obj->mark(); |
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404 tty->print_cr("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(mark), p2i(lock)); |
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405 tty->flush(); |
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406 } |
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407 #ifdef ASSERT |
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408 if (PrintBiasedLockingStatistics) { |
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409 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
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410 } |
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411 #endif |
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412 Handle h_obj(thread, obj); |
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413 assert(h_obj()->is_oop(), "must be NULL or an object"); |
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414 if (UseBiasedLocking) { |
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415 // Retry fast entry if bias is revoked to avoid unnecessary inflation |
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416 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); |
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417 } else { |
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418 if (GraalUseFastLocking) { |
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419 // When using fast locking, the compiled code has already tried the fast case |
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420 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); |
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421 } else { |
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422 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); |
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423 } |
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424 } |
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425 if (TraceGraal >= 3) { |
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426 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), p2i(obj)); |
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427 } |
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428 JRT_END |
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429 |
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430 JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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431 assert(thread == JavaThread::current(), "threads must correspond"); |
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432 assert(thread->last_Java_sp(), "last_Java_sp must be set"); |
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433 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown |
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434 EXCEPTION_MARK; |
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435 |
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436 #ifdef DEBUG |
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437 if (!obj->is_oop()) { |
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438 ResetNoHandleMark rhm; |
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439 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); |
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440 if (method != NULL) { |
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441 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), p2i(obj)); |
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442 } |
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443 thread->print_stack_on(tty); |
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444 assert(false, "invalid lock object pointer dected"); |
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445 } |
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446 #endif |
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447 |
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448 if (GraalUseFastLocking) { |
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449 // When using fast locking, the compiled code has already tried the fast case |
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450 ObjectSynchronizer::slow_exit(obj, lock, THREAD); |
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451 } else { |
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452 ObjectSynchronizer::fast_exit(obj, lock, THREAD); |
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453 } |
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454 if (TraceGraal >= 3) { |
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455 char type[O_BUFLEN]; |
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456 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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457 tty->print_cr("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(obj->mark()), p2i(lock)); |
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458 tty->flush(); |
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459 } |
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460 JRT_END |
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461 |
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462 JRT_LEAF(void, GraalRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags)) |
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463 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
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464 bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); |
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465 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); |
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466 if (!string) { |
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467 if (!addr && obj->is_oop_or_null(true)) { |
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468 char buf[O_BUFLEN]; |
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469 tty->print("%s@" INTPTR_FORMAT, obj->klass()->name()->as_C_string(buf, O_BUFLEN), p2i(obj)); |
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470 } else { |
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471 tty->print(INTPTR_FORMAT, p2i(obj)); |
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472 } |
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473 } else { |
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474 ResourceMark rm; |
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475 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); |
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476 char *buf = java_lang_String::as_utf8_string(obj); |
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477 tty->print_raw(buf); |
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478 } |
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479 if (newline) { |
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480 tty->cr(); |
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481 } |
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482 JRT_END |
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483 |
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484 JRT_LEAF(void, GraalRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) |
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485 thread->satb_mark_queue().enqueue(obj); |
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486 JRT_END |
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487 |
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488 JRT_LEAF(void, GraalRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) |
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489 thread->dirty_card_queue().enqueue(card_addr); |
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490 JRT_END |
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491 |
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492 JRT_LEAF(jboolean, GraalRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) |
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493 bool ret = true; |
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494 if(!Universe::heap()->is_in_closed_subset(parent)) { |
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495 tty->print_cr("Parent Object "INTPTR_FORMAT" not in heap", p2i(parent)); |
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496 parent->print(); |
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497 ret=false; |
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498 } |
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499 if(!Universe::heap()->is_in_closed_subset(child)) { |
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500 tty->print_cr("Child Object "INTPTR_FORMAT" not in heap", p2i(child)); |
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501 child->print(); |
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502 ret=false; |
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503 } |
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504 return (jint)ret; |
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505 JRT_END |
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506 |
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507 JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) |
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508 ResourceMark rm; |
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509 const char *error_msg = where == 0L ? "<internal Graal error>" : (char*) (address) where; |
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510 char *detail_msg = NULL; |
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511 if (format != 0L) { |
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512 const char* buf = (char*) (address) format; |
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513 size_t detail_msg_length = strlen(buf) * 2; |
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514 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); |
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515 jio_snprintf(detail_msg, detail_msg_length, buf, value); |
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516 } |
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517 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); |
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518 JRT_END |
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519 |
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520 JRT_LEAF(oopDesc*, GraalRuntime::load_and_clear_exception(JavaThread* thread)) |
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521 oop exception = thread->exception_oop(); |
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522 assert(exception != NULL, "npe"); |
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523 thread->set_exception_oop(NULL); |
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524 thread->set_exception_pc(0); |
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525 return exception; |
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526 JRT_END |
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527 |
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528 JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) |
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529 ResourceMark rm; |
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530 assert(format != NULL && java_lang_String::is_instance(format), "must be"); |
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531 char *buf = java_lang_String::as_utf8_string(format); |
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532 tty->print(buf, v1, v2, v3); |
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533 JRT_END |
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534 |
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535 static void decipher(jlong v, bool ignoreZero) { |
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536 if (v != 0 || !ignoreZero) { |
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537 void* p = (void *)(address) v; |
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538 CodeBlob* cb = CodeCache::find_blob(p); |
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539 if (cb) { |
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540 if (cb->is_nmethod()) { |
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541 char buf[O_BUFLEN]; |
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542 tty->print("%s [" INTPTR_FORMAT "+" JLONG_FORMAT "]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), p2i(cb->code_begin()), (jlong)((address)v - cb->code_begin())); |
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543 return; |
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544 } |
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545 cb->print_value_on(tty); |
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546 return; |
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547 } |
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548 if (Universe::heap()->is_in(p)) { |
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549 oop obj = oop(p); |
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550 obj->print_value_on(tty); |
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551 return; |
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552 } |
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553 tty->print(INTPTR_FORMAT " [long: " JLONG_FORMAT ", double %lf, char %c]",p2i((void *)v), (jlong)v, (jdouble)v, (char)v); |
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554 } |
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555 } |
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556 |
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557 JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) |
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558 ResourceMark rm; |
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559 char *buf = (char*) (address) format; |
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560 if (vmError) { |
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561 if (buf != NULL) { |
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562 fatal(err_msg(buf, v1, v2, v3)); |
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563 } else { |
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564 fatal("<anonymous error>"); |
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565 } |
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566 } else if (buf != NULL) { |
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567 tty->print(buf, v1, v2, v3); |
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568 } else { |
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569 assert(v2 == 0, "v2 != 0"); |
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570 assert(v3 == 0, "v3 != 0"); |
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571 decipher(v1, false); |
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572 } |
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573 JRT_END |
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574 |
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575 JRT_LEAF(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
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576 union { |
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577 jlong l; |
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578 jdouble d; |
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579 jfloat f; |
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580 } uu; |
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581 uu.l = value; |
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582 switch (typeChar) { |
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583 case 'z': tty->print(value == 0 ? "false" : "true"); break; |
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584 case 'b': tty->print("%d", (jbyte) value); break; |
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585 case 'c': tty->print("%c", (jchar) value); break; |
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586 case 's': tty->print("%d", (jshort) value); break; |
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587 case 'i': tty->print("%d", (jint) value); break; |
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588 case 'f': tty->print("%f", uu.f); break; |
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589 case 'j': tty->print(JLONG_FORMAT, value); break; |
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590 case 'd': tty->print("%lf", uu.d); break; |
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591 default: assert(false, "unknown typeChar"); break; |
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592 } |
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593 if (newline) { |
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594 tty->cr(); |
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595 } |
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596 JRT_END |
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|
597 |
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598 JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) |
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599 return (jint) obj->identity_hash(); |
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600 JRT_END |
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|
601 |
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602 JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) |
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603 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate |
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604 Handle receiverHandle(thread, receiver); |
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605 MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); |
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606 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
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607 if (receiverThread == NULL) { |
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608 // The other thread may exit during this process, which is ok so return false. |
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609 return JNI_FALSE; |
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610 } else { |
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611 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
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612 } |
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613 JRT_END |
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614 |
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615 JRT_ENTRY(jint, GraalRuntime::test_deoptimize_call_int(JavaThread* thread, int value)) |
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616 deopt_caller(); |
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617 return value; |
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618 JRT_END |
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|
619 |
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620 // private static void Factory.init() |
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621 JVM_ENTRY(void, JVM_InitGraalClassLoader(JNIEnv *env, jclass c, jobject loader_handle)) |
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622 SystemDictionary::init_graal_loader(JNIHandles::resolve(loader_handle)); |
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623 SystemDictionary::WKID scan = SystemDictionary::FIRST_GRAAL_WKID; |
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624 SystemDictionary::initialize_wk_klasses_through(SystemDictionary::LAST_GRAAL_WKID, scan, CHECK); |
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625 JVM_END |
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626 |
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627 // private static GraalRuntime Graal.initializeRuntime() |
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628 JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c)) |
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629 GraalRuntime::initialize_HotSpotGraalRuntime(); |
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630 return GraalRuntime::get_HotSpotGraalRuntime_jobject(); |
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631 JVM_END |
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632 |
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633 // private static String[] Services.getServiceImpls(Class service) |
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634 JVM_ENTRY(jobject, JVM_GetGraalServiceImpls(JNIEnv *env, jclass c, jclass serviceClass)) |
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635 HandleMark hm; |
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636 ResourceMark rm; |
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637 KlassHandle serviceKlass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(serviceClass))); |
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638 return JNIHandles::make_local(THREAD, GraalRuntime::get_service_impls(serviceKlass, THREAD)()); |
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639 JVM_END |
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640 |
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641 // private static TruffleRuntime Truffle.createRuntime() |
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642 JVM_ENTRY(jobject, JVM_CreateTruffleRuntime(JNIEnv *env, jclass c)) |
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643 GraalRuntime::ensure_graal_class_loader_is_initialized(); |
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644 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", CHECK_NULL); |
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645 KlassHandle klass = GraalRuntime::resolve_or_fail(name, CHECK_NULL); |
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646 |
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647 TempNewSymbol makeInstance = SymbolTable::new_symbol("makeInstance", CHECK_NULL); |
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648 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/truffle/api/TruffleRuntime;", CHECK_NULL); |
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649 JavaValue result(T_OBJECT); |
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650 JavaCalls::call_static(&result, klass, makeInstance, sig, CHECK_NULL); |
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651 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); |
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652 JVM_END |
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653 |
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654 // private static NativeFunctionInterfaceRuntime.createInterface() |
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655 JVM_ENTRY(jobject, JVM_CreateNativeFunctionInterface(JNIEnv *env, jclass c)) |
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656 GraalRuntime::ensure_graal_class_loader_is_initialized(); |
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657 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", CHECK_NULL); |
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658 KlassHandle klass = GraalRuntime::resolve_or_fail(name, CHECK_NULL); |
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659 |
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660 TempNewSymbol makeInstance = SymbolTable::new_symbol("createNativeFunctionInterface", CHECK_NULL); |
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661 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/nfi/api/NativeFunctionInterface;", CHECK_NULL); |
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662 JavaValue result(T_OBJECT); |
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663 JavaCalls::call_static(&result, klass, makeInstance, sig, CHECK_NULL); |
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664 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); |
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665 JVM_END |
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666 |
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667 void GraalRuntime::check_generated_sources_sha1(TRAPS) { |
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668 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/sourcegen/GeneratedSourcesSha1", CHECK_ABORT); |
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669 KlassHandle klass = load_required_class(name); |
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670 fieldDescriptor fd; |
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671 if (!InstanceKlass::cast(klass())->find_field(vmSymbols::value_name(), vmSymbols::string_signature(), true, &fd)) { |
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672 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), "GeneratedSourcesSha1.value"); |
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673 } |
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674 |
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675 Symbol* value = java_lang_String::as_symbol(klass->java_mirror()->obj_field(fd.offset()), CHECK); |
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676 if (!value->equals(_generated_sources_sha1)) { |
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677 char buf[200]; |
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678 jio_snprintf(buf, sizeof(buf), "Generated sources SHA1 check failed (%s != %s) - need to rebuild the VM", value->as_C_string(), _generated_sources_sha1); |
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679 THROW_MSG(vmSymbols::java_lang_InternalError(), buf); |
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680 } |
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681 } |
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682 |
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683 Handle GraalRuntime::callInitializer(const char* className, const char* methodName, const char* returnType) { |
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684 guarantee(!_HotSpotGraalRuntime_initialized, "cannot reinitialize HotSpotGraalRuntime"); |
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685 Thread* THREAD = Thread::current(); |
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686 check_generated_sources_sha1(CHECK_ABORT_(Handle())); |
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687 |
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688 TempNewSymbol name = SymbolTable::new_symbol(className, CHECK_ABORT_(Handle())); |
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689 KlassHandle klass = load_required_class(name); |
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690 TempNewSymbol runtime = SymbolTable::new_symbol(methodName, CHECK_ABORT_(Handle())); |
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691 TempNewSymbol sig = SymbolTable::new_symbol(returnType, CHECK_ABORT_(Handle())); |
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692 JavaValue result(T_OBJECT); |
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693 JavaCalls::call_static(&result, klass, runtime, sig, CHECK_ABORT_(Handle())); |
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694 return Handle((oop)result.get_jobject()); |
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695 } |
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696 |
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697 void GraalRuntime::initialize_HotSpotGraalRuntime() { |
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698 if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) { |
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699 #ifdef ASSERT |
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700 // This should only be called in the context of the Graal class being initialized |
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701 Thread* THREAD = Thread::current(); |
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702 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/api/runtime/Graal", CHECK_ABORT); |
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703 instanceKlassHandle klass = InstanceKlass::cast(load_required_class(name)); |
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704 assert(klass->is_being_initialized() && klass->is_reentrant_initialization(THREAD), |
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705 "HotSpotGraalRuntime initialization should only be triggered through Graal initialization"); |
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706 #endif |
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707 |
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708 Handle result = callInitializer("com/oracle/graal/hotspot/HotSpotGraalRuntime", "runtime", |
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709 "()Lcom/oracle/graal/hotspot/HotSpotGraalRuntime;"); |
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710 _HotSpotGraalRuntime_initialized = true; |
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711 _HotSpotGraalRuntime_instance = JNIHandles::make_global(result()); |
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712 } |
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713 } |
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714 |
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715 void GraalRuntime::initialize_Graal() { |
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716 if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) { |
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717 callInitializer("com/oracle/graal/api/runtime/Graal", "getRuntime", "()Lcom/oracle/graal/api/runtime/GraalRuntime;"); |
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718 } |
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719 assert(_HotSpotGraalRuntime_initialized == true, "what?"); |
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720 } |
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721 |
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722 // private static void CompilerToVMImpl.init() |
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723 JVM_ENTRY(void, JVM_InitializeGraalNatives(JNIEnv *env, jclass c2vmClass)) |
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724 GraalRuntime::initialize_natives(env, c2vmClass); |
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725 JVM_END |
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726 |
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727 // private static boolean HotSpotOptions.parseVMOptions() |
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728 JVM_ENTRY(jboolean, JVM_ParseGraalOptions(JNIEnv *env, jclass c)) |
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729 HandleMark hm; |
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730 KlassHandle hotSpotOptionsClass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(c))); |
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731 bool result = GraalRuntime::parse_arguments(hotSpotOptionsClass, CHECK_false); |
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732 return result; |
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733 JVM_END |
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734 |
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735 |
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736 void GraalRuntime::ensure_graal_class_loader_is_initialized() { |
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737 // This initialization code is guarded by a static pointer to the Factory class. |
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738 // Once it is non-null, the Graal class loader and well known Graal classes are |
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739 // guaranteed to have been initialized. By going through the static |
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740 // initializer of Factory, we can rely on class initialization semantics to |
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741 // synchronize threads racing to do the initialization. |
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742 static Klass* _FactoryKlass = NULL; |
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743 if (_FactoryKlass == NULL) { |
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744 Thread* THREAD = Thread::current(); |
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745 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/loader/Factory", CHECK_ABORT); |
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746 KlassHandle klass = SystemDictionary::resolve_or_fail(name, true, THREAD); |
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747 if (HAS_PENDING_EXCEPTION) { |
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748 static volatile int seen_error = 0; |
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749 if (!seen_error && Atomic::cmpxchg(1, &seen_error, 0) == 0) { |
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750 // Only report the failure on the first thread that hits it |
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751 abort_on_pending_exception(PENDING_EXCEPTION, "Graal classes are not available"); |
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752 } else { |
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753 CLEAR_PENDING_EXCEPTION; |
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754 // Give first thread time to report the error. |
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755 os::sleep(THREAD, 100, false); |
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756 vm_abort(false); |
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757 } |
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758 } |
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759 |
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760 // We cannot use graalJavaAccess for this because we are currently in the |
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761 // process of initializing that mechanism. |
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762 TempNewSymbol field_name = SymbolTable::new_symbol("useGraalClassLoader", CHECK_ABORT); |
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763 fieldDescriptor field_desc; |
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764 if (klass->find_field(field_name, vmSymbols::bool_signature(), &field_desc) == NULL) { |
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765 ResourceMark rm; |
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766 fatal(err_msg("Invalid layout of %s at %s", field_name->as_C_string(), klass->external_name())); |
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767 } |
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768 |
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769 InstanceKlass* ik = InstanceKlass::cast(klass()); |
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770 address addr = ik->static_field_addr(field_desc.offset() - InstanceMirrorKlass::offset_of_static_fields()); |
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771 *((jboolean *) addr) = (jboolean) UseGraalClassLoader; |
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772 klass->initialize(CHECK_ABORT); |
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773 _FactoryKlass = klass(); |
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774 } |
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775 } |
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776 |
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777 jint GraalRuntime::check_arguments(TRAPS) { |
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778 KlassHandle nullHandle; |
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779 parse_arguments(nullHandle, THREAD); |
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780 if (HAS_PENDING_EXCEPTION) { |
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781 // Errors in parsing Graal arguments cause exceptions. |
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782 // We now load and initialize HotSpotOptions which in turn |
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783 // causes argument parsing to be redone with better error messages. |
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784 CLEAR_PENDING_EXCEPTION; |
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785 TempNewSymbol name = SymbolTable::new_symbol("Lcom/oracle/graal/hotspot/HotSpotOptions;", CHECK_ABORT_(JNI_ERR)); |
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786 instanceKlassHandle hotSpotOptionsClass = resolve_or_fail(name, CHECK_ABORT_(JNI_ERR)); |
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787 |
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788 parse_arguments(hotSpotOptionsClass, THREAD); |
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789 assert(HAS_PENDING_EXCEPTION, "must be"); |
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790 |
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791 ResourceMark rm; |
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792 Handle exception = PENDING_EXCEPTION; |
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793 CLEAR_PENDING_EXCEPTION; |
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794 oop message = java_lang_Throwable::message(exception); |
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795 if (message != NULL) { |
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796 tty->print_cr("Error parsing Graal options: %s", java_lang_String::as_utf8_string(message)); |
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797 } else { |
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798 call_printStackTrace(exception, THREAD); |
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799 } |
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800 return JNI_ERR; |
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801 } |
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802 return JNI_OK; |
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803 } |
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804 |
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805 bool GraalRuntime::parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS) { |
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806 ResourceMark rm(THREAD); |
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807 |
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808 // Process option overrides from graal.options first |
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809 parse_graal_options_file(hotSpotOptionsClass, CHECK_false); |
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810 |
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811 // Now process options on the command line |
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812 int numOptions = Arguments::num_graal_args(); |
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813 for (int i = 0; i < numOptions; i++) { |
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814 char* arg = Arguments::graal_args_array()[i]; |
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815 parse_argument(hotSpotOptionsClass, arg, CHECK_false); |
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816 } |
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817 return CITime || CITimeEach; |
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818 } |
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819 |
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820 void GraalRuntime::check_required_value(const char* name, size_t name_len, const char* value, TRAPS) { |
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|
821 if (value == NULL) { |
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|
822 char buf[200]; |
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|
823 jio_snprintf(buf, sizeof(buf), "Must use '-G:%.*s=<value>' format for %.*s option", name_len, name, name_len, name); |
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|
824 THROW_MSG(vmSymbols::java_lang_InternalError(), buf); |
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|
825 } |
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|
826 } |
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|
827 |
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828 void GraalRuntime::parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS) { |
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|
829 ensure_graal_class_loader_is_initialized(); |
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830 char first = arg[0]; |
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|
831 char* name; |
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|
832 size_t name_len; |
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833 bool recognized = true; |
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|
834 if (first == '+' || first == '-') { |
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835 name = arg + 1; |
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|
836 name_len = strlen(name); |
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|
837 recognized = set_option_bool(hotSpotOptionsClass, name, name_len, first, CHECK); |
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838 } else { |
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839 char* sep = strchr(arg, '='); |
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840 name = arg; |
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841 char* value = NULL; |
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842 if (sep != NULL) { |
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843 name_len = sep - name; |
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844 value = sep + 1; |
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845 } else { |
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846 name_len = strlen(name); |
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847 } |
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|
848 recognized = set_option(hotSpotOptionsClass, name, name_len, value, CHECK); |
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849 } |
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850 |
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851 if (!recognized) { |
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852 bool throw_err = hotSpotOptionsClass.is_null(); |
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|
853 if (!hotSpotOptionsClass.is_null()) { |
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|
854 set_option_helper(hotSpotOptionsClass, name, name_len, Handle(), ' ', Handle(), 0L); |
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855 if (!HAS_PENDING_EXCEPTION) { |
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856 throw_err = true; |
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|
857 } |
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|
858 } |
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|
859 |
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|
860 if (throw_err) { |
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|
861 char buf[200]; |
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|
862 jio_snprintf(buf, sizeof(buf), "Unrecognized Graal option %.*s", name_len, name); |
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|
863 THROW_MSG(vmSymbols::java_lang_InternalError(), buf); |
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|
864 } |
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|
865 } |
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|
866 } |
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867 |
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|
868 void GraalRuntime::parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS) { |
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869 const char* home = Arguments::get_java_home(); |
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870 size_t path_len = strlen(home) + strlen("/lib/graal.options") + 1; |
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871 char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len); |
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|
872 char sep = os::file_separator()[0]; |
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changeset
|
873 sprintf(path, "%s%clib%cgraal.options", home, sep, sep); |
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|
874 |
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changeset
|
875 struct stat st; |
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|
876 if (os::stat(path, &st) == 0) { |
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|
877 int file_handle = os::open(path, 0, 0); |
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changeset
|
878 if (file_handle != -1) { |
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|
879 char* buffer = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, st.st_size); |
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changeset
|
880 int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size); |
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|
881 if (num_read == -1) { |
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|
882 warning("Error reading file %s due to %s", path, strerror(errno)); |
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|
883 } else if (num_read != st.st_size) { |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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|
884 warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path); |
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|
885 } |
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changeset
|
886 os::close(file_handle); |
4527d2428f37
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changeset
|
887 if (num_read == st.st_size) { |
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changeset
|
888 char* line = buffer; |
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|
889 int lineNo = 1; |
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|
890 while (line - buffer < num_read) { |
4527d2428f37
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changeset
|
891 char* nl = strchr(line, '\n'); |
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changeset
|
892 if (nl != NULL) { |
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|
893 *nl = '\0'; |
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|
894 } |
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changeset
|
895 parse_argument(hotSpotOptionsClass, line, THREAD); |
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|
896 if (HAS_PENDING_EXCEPTION) { |
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|
897 warning("Error in %s:%d", path, lineNo); |
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|
898 return; |
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|
899 } |
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|
900 if (nl != NULL) { |
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changeset
|
901 line = nl + 1; |
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|
902 lineNo++; |
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|
903 } else { |
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|
904 // File without newline at the end |
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|
905 break; |
4527d2428f37
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changeset
|
906 } |
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|
907 } |
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|
908 } |
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|
909 } else { |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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changeset
|
910 warning("Error opening file %s due to %s", path, strerror(errno)); |
4527d2428f37
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changeset
|
911 } |
4527d2428f37
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|
912 } |
4527d2428f37
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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changeset
|
913 } |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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|
914 |
4527d2428f37
Convert graalRuntime.cpp to unix line delimiters
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changeset
|
915 jlong GraalRuntime::parse_primitive_option_value(char spec, const char* name, size_t name_len, const char* value, TRAPS) { |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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|
916 check_required_value(name, name_len, value, CHECK_(0L)); |
4527d2428f37
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changeset
|
917 union { |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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changeset
|
918 jint i; |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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changeset
|
919 jlong l; |
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Convert graalRuntime.cpp to unix line delimiters
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changeset
|
920 double d; |
4527d2428f37
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changeset
|
921 } uu; |
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changeset
|
922 uu.l = 0L; |
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changeset
|
923 char dummy; |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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|
924 switch (spec) { |
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|
925 case 'd': |
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changeset
|
926 case 'f': { |
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|
927 if (sscanf(value, "%lf%c", &uu.d, &dummy) == 1) { |
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|
928 return uu.l; |
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|
929 } |
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|
930 break; |
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|
931 } |
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|
932 case 'i': { |
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|
933 if (sscanf(value, "%d%c", &uu.i, &dummy) == 1) { |
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|
934 return (jlong)uu.i; |
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|
935 } |
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|
936 break; |
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|
937 } |
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|
938 default: |
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|
939 ShouldNotReachHere(); |
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940 } |
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|
941 ResourceMark rm(THREAD); |
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|
942 char buf[200]; |
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|
943 bool missing = strlen(value) == 0; |
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944 if (missing) { |
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945 jio_snprintf(buf, sizeof(buf), "Missing %s value for Graal option %.*s", (spec == 'i' ? "numeric" : "float/double"), name_len, name); |
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|
946 } else { |
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947 jio_snprintf(buf, sizeof(buf), "Invalid %s value for Graal option %.*s: %s", (spec == 'i' ? "numeric" : "float/double"), name_len, name, value); |
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|
948 } |
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949 THROW_MSG_(vmSymbols::java_lang_InternalError(), buf, 0L); |
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950 } |
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951 |
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952 void GraalRuntime::set_option_helper(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, Handle option, jchar spec, Handle stringValue, jlong primitiveValue) { |
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953 Thread* THREAD = Thread::current(); |
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954 Handle name_handle; |
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955 if (name != NULL) { |
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956 if (strlen(name) > name_len) { |
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957 // Temporarily replace '=' with NULL to create the Java string for the option name |
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958 char save = name[name_len]; |
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959 name[name_len] = '\0'; |
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960 name_handle = java_lang_String::create_from_str(name, THREAD); |
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961 name[name_len] = '='; |
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|
962 if (HAS_PENDING_EXCEPTION) { |
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963 return; |
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|
964 } |
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965 } else { |
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966 assert(strlen(name) == name_len, "must be"); |
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967 name_handle = java_lang_String::create_from_str(name, CHECK); |
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968 } |
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969 } |
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970 |
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971 TempNewSymbol setOption = SymbolTable::new_symbol("setOption", CHECK); |
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972 TempNewSymbol sig = SymbolTable::new_symbol("(Ljava/lang/String;Lcom/oracle/graal/options/OptionValue;CLjava/lang/String;J)V", CHECK); |
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973 JavaValue result(T_VOID); |
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974 JavaCallArguments args; |
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975 args.push_oop(name_handle()); |
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976 args.push_oop(option()); |
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977 args.push_int(spec); |
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978 args.push_oop(stringValue()); |
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|
979 args.push_long(primitiveValue); |
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980 JavaCalls::call_static(&result, hotSpotOptionsClass, setOption, sig, &args, CHECK); |
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981 } |
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982 |
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983 Handle GraalRuntime::get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS) { |
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984 TempNewSymbol name = SymbolTable::new_symbol(declaringClass, CHECK_NH); |
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985 Klass* klass = resolve_or_fail(name, CHECK_NH); |
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986 |
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987 // The class has been loaded so the field and signature should already be in the symbol |
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988 // table. If they're not there, the field doesn't exist. |
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989 TempNewSymbol fieldname = SymbolTable::probe(fieldName, (int)strlen(fieldName)); |
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990 TempNewSymbol signame = SymbolTable::probe(fieldSig, (int)strlen(fieldSig)); |
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991 if (fieldname == NULL || signame == NULL) { |
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992 THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); |
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993 } |
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994 // Make sure class is initialized before handing id's out to fields |
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995 klass->initialize(CHECK_NH); |
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|
996 |
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997 fieldDescriptor fd; |
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998 if (!InstanceKlass::cast(klass)->find_field(fieldname, signame, true, &fd)) { |
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999 THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); |
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1000 } |
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1001 |
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1002 Handle ret = klass->java_mirror()->obj_field(fd.offset()); |
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1003 return ret; |
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1004 } |
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|
1005 |
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1006 Handle GraalRuntime::create_Service(const char* name, TRAPS) { |
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1007 TempNewSymbol kname = SymbolTable::new_symbol(name, CHECK_NH); |
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1008 Klass* k = resolve_or_fail(kname, CHECK_NH); |
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1009 instanceKlassHandle klass(THREAD, k); |
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1010 klass->initialize(CHECK_NH); |
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1011 klass->check_valid_for_instantiation(true, CHECK_NH); |
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1012 JavaValue result(T_VOID); |
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1013 instanceHandle service = klass->allocate_instance_handle(CHECK_NH); |
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1014 JavaCalls::call_special(&result, service, klass, vmSymbols::object_initializer_name(), vmSymbols::void_method_signature(), THREAD); |
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1015 return service; |
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|
1016 } |
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|
1017 |
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|
1018 void GraalRuntime::shutdown() { |
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1019 if (_HotSpotGraalRuntime_instance != NULL) { |
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|
1020 _shutdown_called = true; |
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1021 JavaThread* THREAD = JavaThread::current(); |
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1022 HandleMark hm(THREAD); |
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1023 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", CHECK_ABORT); |
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1024 KlassHandle klass = load_required_class(name); |
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|
1025 JavaValue result(T_VOID); |
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|
1026 JavaCallArguments args; |
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|
1027 args.push_oop(get_HotSpotGraalRuntime()); |
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1028 JavaCalls::call_special(&result, klass, vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, CHECK_ABORT); |
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1029 |
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1030 JNIHandles::destroy_global(_HotSpotGraalRuntime_instance); |
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1031 _HotSpotGraalRuntime_instance = NULL; |
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1032 } |
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1033 } |
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1034 |
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1035 void GraalRuntime::call_printStackTrace(Handle exception, Thread* thread) { |
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1036 assert(exception->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected"); |
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1037 JavaValue result(T_VOID); |
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1038 JavaCalls::call_virtual(&result, |
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1039 exception, |
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1040 KlassHandle(thread, |
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1041 SystemDictionary::Throwable_klass()), |
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1042 vmSymbols::printStackTrace_name(), |
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1043 vmSymbols::void_method_signature(), |
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1044 thread); |
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1045 } |
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1046 |
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1047 void GraalRuntime::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) { |
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1048 Thread* THREAD = Thread::current(); |
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1049 CLEAR_PENDING_EXCEPTION; |
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1050 tty->print_raw_cr(message); |
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1051 call_printStackTrace(exception, THREAD); |
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1052 |
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1053 // Give other aborting threads to also print their stack traces. |
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1054 // This can be very useful when debugging class initialization |
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1055 // failures. |
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1056 os::sleep(THREAD, 200, false); |
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1057 |
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1058 vm_abort(dump_core); |
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1059 } |
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1060 |
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1061 Klass* GraalRuntime::resolve_or_null(Symbol* name, TRAPS) { |
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1062 return SystemDictionary::resolve_or_null(name, SystemDictionary::graal_loader(), Handle(), CHECK_NULL); |
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1063 } |
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1064 |
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1065 Klass* GraalRuntime::resolve_or_fail(Symbol* name, TRAPS) { |
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1066 return SystemDictionary::resolve_or_fail(name, SystemDictionary::graal_loader(), Handle(), true, CHECK_NULL); |
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1067 } |
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1068 |
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1069 Klass* GraalRuntime::load_required_class(Symbol* name) { |
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1070 Klass* klass = resolve_or_null(name, Thread::current()); |
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1071 if (klass == NULL) { |
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1072 tty->print_cr("Could not load class %s", name->as_C_string()); |
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1073 vm_abort(false); |
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1074 } |
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1075 return klass; |
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1076 } |
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1077 |
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1078 Handle GraalRuntime::get_service_impls(KlassHandle serviceKlass, TRAPS) { |
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1079 const char* home = Arguments::get_java_home(); |
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1080 const char* serviceName = serviceKlass->external_name(); |
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1081 size_t path_len = strlen(home) + strlen("/lib/graal/services/") + strlen(serviceName) + 1; |
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1082 char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len); |
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1083 char sep = os::file_separator()[0]; |
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1084 sprintf(path, "%s%clib%cgraal%cservices%c%s", home, sep, sep, sep, sep, serviceName); |
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1085 struct stat st; |
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1086 if (os::stat(path, &st) == 0) { |
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1087 int file_handle = os::open(path, 0, 0); |
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1088 if (file_handle != -1) { |
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1089 char* buffer = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, st.st_size + 1); |
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1090 int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size); |
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1091 if (num_read == -1) { |
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1092 warning("Error reading file %s due to %s", path, strerror(errno)); |
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1093 } else if (num_read != st.st_size) { |
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1094 warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path); |
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1095 } |
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1096 os::close(file_handle); |
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1097 if (num_read == st.st_size) { |
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1098 buffer[num_read] = '\0'; |
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1099 GrowableArray<char*>* implNames = new GrowableArray<char*>(); |
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1100 char* line = buffer; |
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1101 while (line - buffer < num_read) { |
21123
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1102 // find line end (\r, \n or \r\n) |
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1103 char* nextline = NULL; |
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1104 char* cr = strchr(line, '\r'); |
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1105 char* lf = strchr(line, '\n'); |
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1106 if (cr != NULL && lf != NULL) { |
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1107 char* min = MIN2(cr, lf); |
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1108 *min = '\0'; |
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1109 if (lf == cr + 1) { |
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1110 nextline = lf + 1; |
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1111 } else { |
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1112 nextline = min + 1; |
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1113 } |
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1114 } else if (cr != NULL) { |
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1115 *cr = '\0'; |
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1116 nextline = cr + 1; |
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1117 } else if (lf != NULL) { |
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1118 *lf = '\0'; |
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1119 nextline = lf + 1; |
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1120 } |
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1121 // trim left |
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1122 while (*line == ' ' || *line == '\t') line++; |
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1123 char* end = line + strlen(line); |
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1124 // trim right |
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1125 while (end > line && (*(end -1) == ' ' || *(end -1) == '\t')) end--; |
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1126 *end = '\0'; |
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1127 // skip comments and empty lines |
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1128 if (*line != '#' && strlen(line) > 0) { |
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1129 // Turn all '.'s into '/'s |
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1130 for (size_t index = 0; line[index] != '\0'; index++) { |
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1131 if (line[index] == '.') { |
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1132 line[index] = '/'; |
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1133 } |
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1134 } |
21123
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1135 implNames->append(line); |
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1136 } |
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1137 if (nextline != NULL) { |
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1138 line = nextline; |
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1139 } else { |
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1140 // File without newline at the end |
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1141 break; |
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1142 } |
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1143 } |
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1144 |
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1145 objArrayOop servicesOop = oopFactory::new_objArray(serviceKlass(), implNames->length(), CHECK_NH); |
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1146 objArrayHandle services(THREAD, servicesOop); |
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1147 for (int i = 0; i < implNames->length(); ++i) { |
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1148 char* implName = implNames->at(i); |
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1149 Handle service = create_Service(implName, CHECK_NH); |
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1150 services->obj_at_put(i, service()); |
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1151 } |
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1152 return services; |
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1153 } |
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1154 } else { |
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1155 warning("Error opening file %s due to %s", path, strerror(errno)); |
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1156 } |
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1157 } else { |
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1158 warning("Error opening file %s due to %s", path, strerror(errno)); |
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1159 } |
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1160 return Handle(); |
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1161 } |
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1162 |
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1163 #include "graalRuntime.inline.hpp" |