Mercurial > hg > graal-jvmci-8
annotate src/share/vm/graal/graalRuntime.cpp @ 21525:fad971028755
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 28 May 2015 21:26:54 +0200 |
parents | 923c37b10fb4 cecb4e39521c |
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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 #include "utilities/defaultStream.hpp" |
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41 |
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42 jobject GraalRuntime::_HotSpotGraalRuntime_instance = NULL; |
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43 bool GraalRuntime::_HotSpotGraalRuntime_initialized = false; |
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44 bool GraalRuntime::_shutdown_called = false; |
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45 |
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46 void GraalRuntime::initialize_natives(JNIEnv *env, jclass c2vmClass) { |
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47 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); |
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48 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; |
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49 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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50 NOT_LP64(error("check TLAB allocation code for address space conflicts")); |
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51 |
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52 ensure_graal_class_loader_is_initialized(); |
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53 |
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54 JavaThread* THREAD = JavaThread::current(); |
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55 { |
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56 ThreadToNativeFromVM trans(THREAD); |
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57 |
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58 ResourceMark rm; |
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59 HandleMark hm; |
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60 |
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61 graal_compute_offsets(); |
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62 |
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63 // Ensure _non_oop_bits is initialized |
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64 Universe::non_oop_word(); |
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65 |
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66 env->RegisterNatives(c2vmClass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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67 } |
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68 if (HAS_PENDING_EXCEPTION) { |
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69 abort_on_pending_exception(PENDING_EXCEPTION, "Could not register natives"); |
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70 } |
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71 } |
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72 |
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73 BufferBlob* GraalRuntime::initialize_buffer_blob() { |
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74 JavaThread* THREAD = JavaThread::current(); |
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75 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); |
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76 if (buffer_blob == NULL) { |
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77 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); |
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78 if (buffer_blob != NULL) { |
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79 THREAD->set_buffer_blob(buffer_blob); |
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80 } |
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81 } |
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82 return buffer_blob; |
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83 } |
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84 |
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85 BasicType GraalRuntime::kindToBasicType(jchar ch) { |
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86 switch(ch) { |
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87 case 'z': return T_BOOLEAN; |
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88 case 'b': return T_BYTE; |
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89 case 's': return T_SHORT; |
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90 case 'c': return T_CHAR; |
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91 case 'i': return T_INT; |
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92 case 'f': return T_FLOAT; |
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93 case 'j': return T_LONG; |
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94 case 'd': return T_DOUBLE; |
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95 case 'a': return T_OBJECT; |
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96 case '-': return T_ILLEGAL; |
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97 default: |
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98 fatal(err_msg("unexpected Kind: %c", ch)); |
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99 break; |
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100 } |
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101 return T_ILLEGAL; |
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102 } |
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103 |
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104 // Simple helper to see if the caller of a runtime stub which |
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105 // entered the VM has been deoptimized |
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106 |
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107 static bool caller_is_deopted() { |
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108 JavaThread* thread = JavaThread::current(); |
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109 RegisterMap reg_map(thread, false); |
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110 frame runtime_frame = thread->last_frame(); |
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111 frame caller_frame = runtime_frame.sender(®_map); |
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112 assert(caller_frame.is_compiled_frame(), "must be compiled"); |
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113 return caller_frame.is_deoptimized_frame(); |
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114 } |
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115 |
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116 // Stress deoptimization |
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117 static void deopt_caller() { |
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118 if ( !caller_is_deopted()) { |
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119 JavaThread* thread = JavaThread::current(); |
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120 RegisterMap reg_map(thread, false); |
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121 frame runtime_frame = thread->last_frame(); |
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122 frame caller_frame = runtime_frame.sender(®_map); |
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123 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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124 assert(caller_is_deopted(), "Must be deoptimized"); |
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125 } |
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126 } |
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127 |
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128 JRT_BLOCK_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) |
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129 JRT_BLOCK; |
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130 assert(klass->is_klass(), "not a class"); |
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131 instanceKlassHandle h(thread, klass); |
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132 h->check_valid_for_instantiation(true, CHECK); |
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133 // make sure klass is initialized |
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134 h->initialize(CHECK); |
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135 // allocate instance and return via TLS |
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136 oop obj = h->allocate_instance(CHECK); |
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137 thread->set_vm_result(obj); |
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138 JRT_BLOCK_END; |
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139 |
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140 if (GraalDeferredInitBarriers) { |
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141 new_store_pre_barrier(thread); |
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142 } |
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143 JRT_END |
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144 |
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145 JRT_BLOCK_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) |
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146 JRT_BLOCK; |
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147 // Note: no handle for klass needed since they are not used |
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148 // anymore after new_objArray() and no GC can happen before. |
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149 // (This may have to change if this code changes!) |
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150 assert(array_klass->is_klass(), "not a class"); |
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151 oop obj; |
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152 if (array_klass->oop_is_typeArray()) { |
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153 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); |
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154 obj = oopFactory::new_typeArray(elt_type, length, CHECK); |
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155 } else { |
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156 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); |
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157 obj = oopFactory::new_objArray(elem_klass, length, CHECK); |
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158 } |
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159 thread->set_vm_result(obj); |
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160 // This is pretty rare but this runtime patch is stressful to deoptimization |
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161 // if we deoptimize here so force a deopt to stress the path. |
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162 if (DeoptimizeALot) { |
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163 static int deopts = 0; |
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164 // Alternate between deoptimizing and raising an error (which will also cause a deopt) |
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165 if (deopts++ % 2 == 0) { |
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166 ResourceMark rm(THREAD); |
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167 THROW(vmSymbols::java_lang_OutOfMemoryError()); |
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168 } else { |
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169 deopt_caller(); |
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170 } |
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171 } |
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172 JRT_BLOCK_END; |
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173 |
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174 if (GraalDeferredInitBarriers) { |
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175 new_store_pre_barrier(thread); |
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176 } |
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177 JRT_END |
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178 |
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179 void GraalRuntime::new_store_pre_barrier(JavaThread* thread) { |
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180 // After any safepoint, just before going back to compiled code, |
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181 // we inform the GC that we will be doing initializing writes to |
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182 // this object in the future without emitting card-marks, so |
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183 // GC may take any compensating steps. |
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184 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
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185 |
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186 oop new_obj = thread->vm_result(); |
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187 if (new_obj == NULL) return; |
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188 |
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189 assert(Universe::heap()->can_elide_tlab_store_barriers(), |
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190 "compiler must check this first"); |
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191 // GC may decide to give back a safer copy of new_obj. |
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192 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
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193 thread->set_vm_result(new_obj); |
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194 } |
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195 |
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196 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) |
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197 assert(klass->is_klass(), "not a class"); |
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198 assert(rank >= 1, "rank must be nonzero"); |
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199 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); |
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200 thread->set_vm_result(obj); |
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201 JRT_END |
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202 |
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203 JRT_ENTRY(void, GraalRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) |
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204 oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); |
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205 thread->set_vm_result(obj); |
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206 JRT_END |
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207 |
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208 JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) |
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209 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); |
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210 |
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211 if (klass == NULL) { |
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212 ResourceMark rm(THREAD); |
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213 THROW(vmSymbols::java_lang_InstantiationException()); |
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214 } |
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215 |
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216 // Create new instance (the receiver) |
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217 klass->check_valid_for_instantiation(false, CHECK); |
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218 |
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219 // Make sure klass gets initialized |
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220 klass->initialize(CHECK); |
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221 |
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222 oop obj = klass->allocate_instance(CHECK); |
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223 thread->set_vm_result(obj); |
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224 JRT_END |
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225 |
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226 extern void vm_exit(int code); |
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227 |
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228 // Enter this method from compiled code handler below. This is where we transition |
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229 // to VM mode. This is done as a helper routine so that the method called directly |
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230 // from compiled code does not have to transition to VM. This allows the entry |
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231 // method to see if the nmethod that we have just looked up a handler for has |
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232 // been deoptimized while we were in the vm. This simplifies the assembly code |
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233 // cpu directories. |
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234 // |
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235 // We are entering here from exception stub (via the entry method below) |
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236 // If there is a compiled exception handler in this method, we will continue there; |
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237 // otherwise we will unwind the stack and continue at the caller of top frame method |
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238 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to |
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239 // control the area where we can allow a safepoint. After we exit the safepoint area we can |
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240 // check to see if the handler we are going to return is now in a nmethod that has |
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241 // been deoptimized. If that is the case we return the deopt blob |
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242 // unpack_with_exception entry instead. This makes life for the exception blob easier |
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243 // because making that same check and diverting is painful from assembly language. |
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244 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) |
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245 // Reset method handle flag. |
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246 thread->set_is_method_handle_return(false); |
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247 |
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248 Handle exception(thread, ex); |
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249 nm = CodeCache::find_nmethod(pc); |
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250 assert(nm != NULL, "this is not an nmethod"); |
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251 // Adjust the pc as needed/ |
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252 if (nm->is_deopt_pc(pc)) { |
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253 RegisterMap map(thread, false); |
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254 frame exception_frame = thread->last_frame().sender(&map); |
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255 // if the frame isn't deopted then pc must not correspond to the caller of last_frame |
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256 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); |
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257 pc = exception_frame.pc(); |
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258 } |
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259 #ifdef ASSERT |
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260 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); |
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261 assert(exception->is_oop(), "just checking"); |
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262 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError |
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263 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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264 if (ExitVMOnVerifyError) vm_exit(-1); |
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265 ShouldNotReachHere(); |
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266 } |
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267 #endif |
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268 |
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269 // Check the stack guard pages and reenable them if necessary and there is |
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270 // enough space on the stack to do so. Use fast exceptions only if the guard |
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271 // pages are enabled. |
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272 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); |
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273 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); |
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274 |
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275 if (JvmtiExport::can_post_on_exceptions()) { |
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276 // To ensure correct notification of exception catches and throws |
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277 // we have to deoptimize here. If we attempted to notify the |
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278 // catches and throws during this exception lookup it's possible |
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279 // we could deoptimize on the way out of the VM and end back in |
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280 // the interpreter at the throw site. This would result in double |
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281 // notifications since the interpreter would also notify about |
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282 // these same catches and throws as it unwound the frame. |
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283 |
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284 RegisterMap reg_map(thread); |
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285 frame stub_frame = thread->last_frame(); |
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286 frame caller_frame = stub_frame.sender(®_map); |
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287 |
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288 // We don't really want to deoptimize the nmethod itself since we |
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289 // can actually continue in the exception handler ourselves but I |
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290 // don't see an easy way to have the desired effect. |
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291 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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292 assert(caller_is_deopted(), "Must be deoptimized"); |
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293 |
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294 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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295 } |
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296 |
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297 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions |
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298 if (guard_pages_enabled) { |
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299 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); |
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300 if (fast_continuation != NULL) { |
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301 // Set flag if return address is a method handle call site. |
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302 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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303 return fast_continuation; |
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304 } |
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305 } |
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306 |
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307 // If the stack guard pages are enabled, check whether there is a handler in |
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308 // the current method. Otherwise (guard pages disabled), force an unwind and |
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309 // skip the exception cache update (i.e., just leave continuation==NULL). |
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310 address continuation = NULL; |
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311 if (guard_pages_enabled) { |
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312 |
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313 // New exception handling mechanism can support inlined methods |
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314 // with exception handlers since the mappings are from PC to PC |
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315 |
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316 // debugging support |
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317 // tracing |
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318 if (TraceExceptions) { |
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319 ttyLocker ttyl; |
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320 ResourceMark rm; |
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321 tty->print_cr("Exception <%s> (" INTPTR_FORMAT ") thrown in compiled method <%s> at PC " INTPTR_FORMAT " for thread " INTPTR_FORMAT "", |
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322 exception->print_value_string(), p2i((address)exception()), nm->method()->print_value_string(), p2i(pc), p2i(thread)); |
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323 } |
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324 // for AbortVMOnException flag |
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325 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); |
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326 |
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327 // Clear out the exception oop and pc since looking up an |
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328 // exception handler can cause class loading, which might throw an |
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329 // exception and those fields are expected to be clear during |
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330 // normal bytecode execution. |
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331 thread->clear_exception_oop_and_pc(); |
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332 |
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333 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); |
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334 // If an exception was thrown during exception dispatch, the exception oop may have changed |
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335 thread->set_exception_oop(exception()); |
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336 thread->set_exception_pc(pc); |
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337 |
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338 // the exception cache is used only by non-implicit exceptions |
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339 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { |
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340 nm->add_handler_for_exception_and_pc(exception, pc, continuation); |
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341 } |
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342 } |
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343 |
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344 // Set flag if return address is a method handle call site. |
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345 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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346 |
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347 if (TraceExceptions) { |
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348 ttyLocker ttyl; |
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349 ResourceMark rm; |
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350 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, |
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351 p2i(thread), p2i(continuation), p2i(pc)); |
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352 } |
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353 |
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354 return continuation; |
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355 JRT_END |
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356 |
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357 // Enter this method from compiled code only if there is a Java exception handler |
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358 // in the method handling the exception. |
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359 // We are entering here from exception stub. We don't do a normal VM transition here. |
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360 // We do it in a helper. This is so we can check to see if the nmethod we have just |
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361 // searched for an exception handler has been deoptimized in the meantime. |
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362 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { |
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363 oop exception = thread->exception_oop(); |
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364 address pc = thread->exception_pc(); |
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365 // Still in Java mode |
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366 DEBUG_ONLY(ResetNoHandleMark rnhm); |
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367 nmethod* nm = NULL; |
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368 address continuation = NULL; |
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369 { |
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370 // Enter VM mode by calling the helper |
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371 ResetNoHandleMark rnhm; |
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372 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); |
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373 } |
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374 // Back in JAVA, use no oops DON'T safepoint |
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375 |
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376 // Now check to see if the nmethod we were called from is now deoptimized. |
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377 // If so we must return to the deopt blob and deoptimize the nmethod |
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378 if (nm != NULL && caller_is_deopted()) { |
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379 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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380 } |
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381 |
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382 assert(continuation != NULL, "no handler found"); |
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383 return continuation; |
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384 } |
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385 |
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386 JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) |
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387 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
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388 thread->set_vm_result(PENDING_EXCEPTION); |
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389 CLEAR_PENDING_EXCEPTION; |
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390 JRT_END |
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391 |
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392 JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) |
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393 char message[jintAsStringSize]; |
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394 sprintf(message, "%d", index); |
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395 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); |
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396 thread->set_vm_result(PENDING_EXCEPTION); |
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397 CLEAR_PENDING_EXCEPTION; |
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398 JRT_END |
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399 |
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400 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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401 if (TraceGraal >= 3) { |
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402 char type[O_BUFLEN]; |
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403 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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404 markOop mark = obj->mark(); |
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405 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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406 tty->flush(); |
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407 } |
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408 #ifdef ASSERT |
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409 if (PrintBiasedLockingStatistics) { |
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410 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
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411 } |
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412 #endif |
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413 Handle h_obj(thread, obj); |
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414 assert(h_obj()->is_oop(), "must be NULL or an object"); |
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415 if (UseBiasedLocking) { |
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416 // Retry fast entry if bias is revoked to avoid unnecessary inflation |
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417 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); |
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418 } else { |
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419 if (GraalUseFastLocking) { |
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420 // When using fast locking, the compiled code has already tried the fast case |
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421 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); |
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422 } else { |
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423 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); |
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424 } |
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425 } |
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426 if (TraceGraal >= 3) { |
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427 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), p2i(obj)); |
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428 } |
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429 JRT_END |
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430 |
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431 JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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432 assert(thread == JavaThread::current(), "threads must correspond"); |
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433 assert(thread->last_Java_sp(), "last_Java_sp must be set"); |
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434 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown |
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435 EXCEPTION_MARK; |
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436 |
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437 #ifdef DEBUG |
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438 if (!obj->is_oop()) { |
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439 ResetNoHandleMark rhm; |
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440 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); |
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441 if (method != NULL) { |
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442 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), p2i(obj)); |
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443 } |
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444 thread->print_stack_on(tty); |
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445 assert(false, "invalid lock object pointer dected"); |
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446 } |
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447 #endif |
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448 |
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449 if (GraalUseFastLocking) { |
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450 // When using fast locking, the compiled code has already tried the fast case |
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451 ObjectSynchronizer::slow_exit(obj, lock, THREAD); |
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452 } else { |
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453 ObjectSynchronizer::fast_exit(obj, lock, THREAD); |
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454 } |
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455 if (TraceGraal >= 3) { |
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456 char type[O_BUFLEN]; |
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457 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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458 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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459 tty->flush(); |
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460 } |
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461 JRT_END |
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462 |
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463 JRT_LEAF(void, GraalRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags)) |
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464 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
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465 bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); |
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466 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); |
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467 if (!string) { |
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468 if (!addr && obj->is_oop_or_null(true)) { |
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469 char buf[O_BUFLEN]; |
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470 tty->print("%s@" INTPTR_FORMAT, obj->klass()->name()->as_C_string(buf, O_BUFLEN), p2i(obj)); |
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471 } else { |
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472 tty->print(INTPTR_FORMAT, p2i(obj)); |
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473 } |
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474 } else { |
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475 ResourceMark rm; |
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476 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); |
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477 char *buf = java_lang_String::as_utf8_string(obj); |
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478 tty->print_raw(buf); |
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479 } |
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480 if (newline) { |
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481 tty->cr(); |
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482 } |
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483 JRT_END |
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484 |
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485 JRT_LEAF(void, GraalRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) |
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486 thread->satb_mark_queue().enqueue(obj); |
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487 JRT_END |
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488 |
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489 JRT_LEAF(void, GraalRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) |
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490 thread->dirty_card_queue().enqueue(card_addr); |
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491 JRT_END |
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492 |
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493 JRT_LEAF(jboolean, GraalRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) |
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494 bool ret = true; |
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495 if(!Universe::heap()->is_in_closed_subset(parent)) { |
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496 tty->print_cr("Parent Object "INTPTR_FORMAT" not in heap", p2i(parent)); |
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497 parent->print(); |
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498 ret=false; |
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499 } |
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500 if(!Universe::heap()->is_in_closed_subset(child)) { |
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501 tty->print_cr("Child Object "INTPTR_FORMAT" not in heap", p2i(child)); |
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502 child->print(); |
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503 ret=false; |
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504 } |
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505 return (jint)ret; |
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506 JRT_END |
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507 |
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508 JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) |
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509 ResourceMark rm; |
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510 const char *error_msg = where == 0L ? "<internal Graal error>" : (char*) (address) where; |
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511 char *detail_msg = NULL; |
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512 if (format != 0L) { |
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513 const char* buf = (char*) (address) format; |
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514 size_t detail_msg_length = strlen(buf) * 2; |
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515 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); |
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516 jio_snprintf(detail_msg, detail_msg_length, buf, value); |
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517 } |
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518 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); |
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519 JRT_END |
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520 |
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521 JRT_LEAF(oopDesc*, GraalRuntime::load_and_clear_exception(JavaThread* thread)) |
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522 oop exception = thread->exception_oop(); |
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523 assert(exception != NULL, "npe"); |
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524 thread->set_exception_oop(NULL); |
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525 thread->set_exception_pc(0); |
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526 return exception; |
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527 JRT_END |
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528 |
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529 JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) |
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530 ResourceMark rm; |
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531 assert(format != NULL && java_lang_String::is_instance(format), "must be"); |
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532 char *buf = java_lang_String::as_utf8_string(format); |
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533 tty->print(buf, v1, v2, v3); |
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534 JRT_END |
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535 |
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536 static void decipher(jlong v, bool ignoreZero) { |
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537 if (v != 0 || !ignoreZero) { |
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538 void* p = (void *)(address) v; |
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539 CodeBlob* cb = CodeCache::find_blob(p); |
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540 if (cb) { |
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541 if (cb->is_nmethod()) { |
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542 char buf[O_BUFLEN]; |
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543 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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544 return; |
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545 } |
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546 cb->print_value_on(tty); |
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547 return; |
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548 } |
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549 if (Universe::heap()->is_in(p)) { |
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550 oop obj = oop(p); |
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551 obj->print_value_on(tty); |
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552 return; |
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553 } |
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554 tty->print(INTPTR_FORMAT " [long: " JLONG_FORMAT ", double %lf, char %c]",p2i((void *)v), (jlong)v, (jdouble)v, (char)v); |
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555 } |
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556 } |
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557 |
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558 JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) |
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559 ResourceMark rm; |
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560 char *buf = (char*) (address) format; |
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561 if (vmError) { |
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562 if (buf != NULL) { |
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563 fatal(err_msg(buf, v1, v2, v3)); |
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564 } else { |
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565 fatal("<anonymous error>"); |
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566 } |
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567 } else if (buf != NULL) { |
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568 tty->print(buf, v1, v2, v3); |
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569 } else { |
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570 assert(v2 == 0, "v2 != 0"); |
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571 assert(v3 == 0, "v3 != 0"); |
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572 decipher(v1, false); |
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573 } |
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574 JRT_END |
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575 |
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576 JRT_LEAF(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
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577 union { |
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578 jlong l; |
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579 jdouble d; |
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580 jfloat f; |
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581 } uu; |
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582 uu.l = value; |
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583 switch (typeChar) { |
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584 case 'z': tty->print(value == 0 ? "false" : "true"); break; |
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585 case 'b': tty->print("%d", (jbyte) value); break; |
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586 case 'c': tty->print("%c", (jchar) value); break; |
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587 case 's': tty->print("%d", (jshort) value); break; |
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588 case 'i': tty->print("%d", (jint) value); break; |
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589 case 'f': tty->print("%f", uu.f); break; |
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590 case 'j': tty->print(JLONG_FORMAT, value); break; |
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591 case 'd': tty->print("%lf", uu.d); break; |
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592 default: assert(false, "unknown typeChar"); break; |
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593 } |
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594 if (newline) { |
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595 tty->cr(); |
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596 } |
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597 JRT_END |
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598 |
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599 JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) |
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600 return (jint) obj->identity_hash(); |
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601 JRT_END |
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602 |
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603 JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) |
21207
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|
604 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate. |
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605 // This locking requires thread_in_vm which is why this method cannot be JRT_LEAF. |
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606 Handle receiverHandle(thread, receiver); |
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607 MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); |
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608 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
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609 if (receiverThread == NULL) { |
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610 // The other thread may exit during this process, which is ok so return false. |
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611 return JNI_FALSE; |
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612 } else { |
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613 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
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614 } |
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615 JRT_END |
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616 |
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617 JRT_ENTRY(jint, GraalRuntime::test_deoptimize_call_int(JavaThread* thread, int value)) |
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618 deopt_caller(); |
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619 return value; |
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620 JRT_END |
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621 |
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622 // private static void Factory.init() |
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623 JVM_ENTRY(void, JVM_InitGraalClassLoader(JNIEnv *env, jclass c, jobject loader_handle)) |
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624 SystemDictionary::init_graal_loader(JNIHandles::resolve(loader_handle)); |
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625 SystemDictionary::WKID scan = SystemDictionary::FIRST_GRAAL_WKID; |
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626 SystemDictionary::initialize_wk_klasses_through(SystemDictionary::LAST_GRAAL_WKID, scan, CHECK); |
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627 JVM_END |
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628 |
21519
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629 // boolean com.oracle.graal.hotspot.HotSpotOptions.isCITimingEnabled() |
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630 JVM_ENTRY(jboolean, JVM_IsCITimingEnabled(JNIEnv *env, jclass c)) |
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631 return CITime || CITimeEach; |
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632 JVM_END |
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633 |
21033
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634 // private static GraalRuntime Graal.initializeRuntime() |
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635 JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c)) |
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636 GraalRuntime::initialize_HotSpotGraalRuntime(); |
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637 return GraalRuntime::get_HotSpotGraalRuntime_jobject(); |
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638 JVM_END |
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639 |
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640 // private static String[] Services.getServiceImpls(Class service) |
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641 JVM_ENTRY(jobject, JVM_GetGraalServiceImpls(JNIEnv *env, jclass c, jclass serviceClass)) |
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642 HandleMark hm; |
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643 ResourceMark rm; |
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644 KlassHandle serviceKlass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(serviceClass))); |
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645 return JNIHandles::make_local(THREAD, GraalRuntime::get_service_impls(serviceKlass, THREAD)()); |
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646 JVM_END |
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647 |
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648 // private static TruffleRuntime Truffle.createRuntime() |
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649 JVM_ENTRY(jobject, JVM_CreateTruffleRuntime(JNIEnv *env, jclass c)) |
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650 GraalRuntime::ensure_graal_class_loader_is_initialized(); |
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651 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", CHECK_NULL); |
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652 KlassHandle klass = GraalRuntime::resolve_or_fail(name, CHECK_NULL); |
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653 |
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654 TempNewSymbol makeInstance = SymbolTable::new_symbol("makeInstance", CHECK_NULL); |
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655 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/truffle/api/TruffleRuntime;", CHECK_NULL); |
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656 JavaValue result(T_OBJECT); |
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657 JavaCalls::call_static(&result, klass, makeInstance, sig, CHECK_NULL); |
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658 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); |
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659 JVM_END |
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660 |
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661 // private static NativeFunctionInterfaceRuntime.createInterface() |
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662 JVM_ENTRY(jobject, JVM_CreateNativeFunctionInterface(JNIEnv *env, jclass c)) |
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663 GraalRuntime::ensure_graal_class_loader_is_initialized(); |
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664 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", CHECK_NULL); |
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665 KlassHandle klass = GraalRuntime::resolve_or_fail(name, CHECK_NULL); |
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666 |
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667 TempNewSymbol makeInstance = SymbolTable::new_symbol("createNativeFunctionInterface", CHECK_NULL); |
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668 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/nfi/api/NativeFunctionInterface;", CHECK_NULL); |
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669 JavaValue result(T_OBJECT); |
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670 JavaCalls::call_static(&result, klass, makeInstance, sig, CHECK_NULL); |
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671 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); |
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672 JVM_END |
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673 |
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674 Handle GraalRuntime::callInitializer(const char* className, const char* methodName, const char* returnType) { |
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675 guarantee(!_HotSpotGraalRuntime_initialized, "cannot reinitialize HotSpotGraalRuntime"); |
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676 Thread* THREAD = Thread::current(); |
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677 |
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678 TempNewSymbol name = SymbolTable::new_symbol(className, CHECK_ABORT_(Handle())); |
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679 KlassHandle klass = load_required_class(name); |
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680 TempNewSymbol runtime = SymbolTable::new_symbol(methodName, CHECK_ABORT_(Handle())); |
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681 TempNewSymbol sig = SymbolTable::new_symbol(returnType, CHECK_ABORT_(Handle())); |
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682 JavaValue result(T_OBJECT); |
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683 JavaCalls::call_static(&result, klass, runtime, sig, CHECK_ABORT_(Handle())); |
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684 return Handle((oop)result.get_jobject()); |
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685 } |
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686 |
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687 void GraalRuntime::initialize_HotSpotGraalRuntime() { |
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688 if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) { |
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689 #ifdef ASSERT |
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690 // This should only be called in the context of the Graal class being initialized |
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691 Thread* THREAD = Thread::current(); |
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692 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/api/runtime/Graal", CHECK_ABORT); |
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693 instanceKlassHandle klass = InstanceKlass::cast(load_required_class(name)); |
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694 assert(klass->is_being_initialized() && klass->is_reentrant_initialization(THREAD), |
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695 "HotSpotGraalRuntime initialization should only be triggered through Graal initialization"); |
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696 #endif |
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697 |
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698 Handle result = callInitializer("com/oracle/graal/hotspot/HotSpotGraalRuntime", "runtime", |
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699 "()Lcom/oracle/graal/hotspot/HotSpotGraalRuntime;"); |
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700 _HotSpotGraalRuntime_initialized = true; |
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701 _HotSpotGraalRuntime_instance = JNIHandles::make_global(result()); |
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702 } |
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703 } |
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704 |
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705 void GraalRuntime::initialize_Graal() { |
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706 if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) { |
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707 callInitializer("com/oracle/graal/api/runtime/Graal", "getRuntime", "()Lcom/oracle/graal/api/runtime/GraalRuntime;"); |
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708 } |
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709 assert(_HotSpotGraalRuntime_initialized == true, "what?"); |
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710 } |
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711 |
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712 // private static void CompilerToVMImpl.init() |
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713 JVM_ENTRY(void, JVM_InitializeGraalNatives(JNIEnv *env, jclass c2vmClass)) |
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714 GraalRuntime::initialize_natives(env, c2vmClass); |
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715 JVM_END |
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716 |
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717 void GraalRuntime::ensure_graal_class_loader_is_initialized() { |
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718 // This initialization code is guarded by a static pointer to the Factory class. |
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719 // Once it is non-null, the Graal class loader and well known Graal classes are |
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720 // guaranteed to have been initialized. By going through the static |
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721 // initializer of Factory, we can rely on class initialization semantics to |
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722 // synchronize threads racing to do the initialization. |
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723 static Klass* _FactoryKlass = NULL; |
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724 if (_FactoryKlass == NULL) { |
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725 Thread* THREAD = Thread::current(); |
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726 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/loader/Factory", CHECK_ABORT); |
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727 KlassHandle klass = SystemDictionary::resolve_or_fail(name, true, THREAD); |
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728 if (HAS_PENDING_EXCEPTION) { |
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729 static volatile int seen_error = 0; |
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730 if (!seen_error && Atomic::cmpxchg(1, &seen_error, 0) == 0) { |
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731 // Only report the failure on the first thread that hits it |
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732 abort_on_pending_exception(PENDING_EXCEPTION, "Graal classes are not available"); |
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733 } else { |
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734 CLEAR_PENDING_EXCEPTION; |
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735 // Give first thread time to report the error. |
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736 os::sleep(THREAD, 100, false); |
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737 vm_abort(false); |
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738 } |
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739 } |
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740 |
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741 // We cannot use graalJavaAccess for this because we are currently in the |
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742 // process of initializing that mechanism. |
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743 TempNewSymbol field_name = SymbolTable::new_symbol("useGraalClassLoader", CHECK_ABORT); |
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744 fieldDescriptor field_desc; |
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745 if (klass->find_field(field_name, vmSymbols::bool_signature(), &field_desc) == NULL) { |
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746 ResourceMark rm; |
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747 fatal(err_msg("Invalid layout of %s at %s", field_name->as_C_string(), klass->external_name())); |
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748 } |
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749 |
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750 InstanceKlass* ik = InstanceKlass::cast(klass()); |
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751 address addr = ik->static_field_addr(field_desc.offset() - InstanceMirrorKlass::offset_of_static_fields()); |
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752 *((jboolean *) addr) = (jboolean) UseGraalClassLoader; |
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753 klass->initialize(CHECK_ABORT); |
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754 _FactoryKlass = klass(); |
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755 assert(!UseGraalClassLoader || SystemDictionary::graal_loader() != NULL, "Graal classloader should have been initialized"); |
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756 } |
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757 } |
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758 |
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759 OptionsValueTable* GraalRuntime::parse_arguments() { |
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760 OptionsTable* table = OptionsTable::load_options(); |
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761 if (table == NULL) { |
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762 return NULL; |
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763 } |
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764 |
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765 OptionsValueTable* options = new OptionsValueTable(table); |
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766 |
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767 // Process option overrides from graal.options first |
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768 parse_graal_options_file(options); |
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769 |
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770 // Now process options on the command line |
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771 int numOptions = Arguments::num_graal_args(); |
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772 for (int i = 0; i < numOptions; i++) { |
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773 char* arg = Arguments::graal_args_array()[i]; |
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774 if (!parse_argument(options, arg)) { |
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775 delete options; |
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776 return NULL; |
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777 } |
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778 } |
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779 return options; |
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780 } |
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781 |
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782 void not_found(OptionsTable* table, const char* argname, size_t namelen) { |
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783 jio_fprintf(defaultStream::error_stream(),"Unrecognized VM option '%.*s'\n", namelen, argname); |
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784 OptionDesc* fuzzy_matched = table->fuzzy_match(argname, strlen(argname)); |
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785 if (fuzzy_matched != NULL) { |
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786 jio_fprintf(defaultStream::error_stream(), |
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787 "Did you mean '%s%s%s'?\n", |
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788 (fuzzy_matched->type == _boolean) ? "(+/-)" : "", |
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|
789 fuzzy_matched->name, |
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790 (fuzzy_matched->type == _boolean) ? "" : "=<value>"); |
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791 } |
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792 } |
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793 |
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794 bool GraalRuntime::parse_argument(OptionsValueTable* options, const char* arg) { |
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795 OptionsTable* table = options->options_table(); |
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796 char first = arg[0]; |
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797 const char* name; |
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798 size_t name_len; |
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799 if (first == '+' || first == '-') { |
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800 name = arg + 1; |
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801 OptionDesc* optionDesc = table->get(name); |
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802 if (optionDesc == NULL) { |
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803 not_found(table, name, strlen(name)); |
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804 return false; |
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805 } |
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806 if (optionDesc->type != _boolean) { |
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807 jio_fprintf(defaultStream::error_stream(), "Unexpected +/- setting in VM option '%s'\n", name); |
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808 return false; |
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809 } |
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810 OptionValue value; |
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811 value.desc = *optionDesc; |
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812 value.boolean_value = first == '+'; |
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813 options->put(value); |
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814 return true; |
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815 } else { |
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816 const char* sep = strchr(arg, '='); |
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817 name = arg; |
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818 const char* value = NULL; |
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|
819 if (sep != NULL) { |
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820 name_len = sep - name; |
4527d2428f37
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|
821 value = sep + 1; |
4527d2428f37
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|
822 } else { |
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Gilles Duboscq <gilles.m.duboscq@oracle.com>
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changeset
|
823 name_len = strlen(name); |
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824 } |
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825 OptionDesc* optionDesc = table->get(name, name_len); |
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826 if (optionDesc == NULL) { |
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827 not_found(table, name, name_len); |
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828 return false; |
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829 } |
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830 if (optionDesc->type == _boolean) { |
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831 jio_fprintf(defaultStream::error_stream(), "Missing +/- setting for VM option '%s'\n", name); |
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832 return false; |
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833 } |
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834 if (value == NULL) { |
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835 jio_fprintf(defaultStream::error_stream(), "Must use '-G:%.*s=<value>' format for %.*s option", name_len, name, name_len, name); |
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836 return false; |
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837 } |
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838 OptionValue optionValue; |
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839 optionValue.desc = *optionDesc; |
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840 char* check; |
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841 errno = 0; |
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842 switch(optionDesc->type) { |
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843 case _int: { |
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844 long int int_value = ::strtol(value, &check, 10); |
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845 if (*check != '\0' || errno == ERANGE || int_value > max_jint || int_value < min_jint) { |
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846 jio_fprintf(defaultStream::error_stream(), "Expected int value for VM option '%s'\n", name); |
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847 return false; |
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848 } |
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849 optionValue.int_value = int_value; |
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|
850 break; |
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851 } |
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852 case _long: { |
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853 long long int long_value = ::strtoll(value, &check, 10); |
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854 if (*check != '\0' || errno == ERANGE || long_value > max_jlong || long_value < min_jlong) { |
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855 jio_fprintf(defaultStream::error_stream(), "Expected long value for VM option '%s'\n", name); |
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856 return false; |
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857 } |
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858 optionValue.long_value = long_value; |
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859 break; |
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860 } |
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861 case _float: { |
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862 optionValue.float_value = ::strtof(value, &check); |
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863 if (*check != '\0' || errno == ERANGE) { |
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864 jio_fprintf(defaultStream::error_stream(), "Expected float value for VM option '%s'\n", name); |
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865 return false; |
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866 } |
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867 break; |
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868 } |
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869 case _double: { |
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|
870 optionValue.double_value = ::strtod(value, &check); |
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|
871 if (*check != '\0' || errno == ERANGE) { |
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|
872 jio_fprintf(defaultStream::error_stream(), "Expected double value for VM option '%s'\n", name); |
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|
873 return false; |
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|
874 } |
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|
875 break; |
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|
876 } |
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|
877 case _string: { |
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|
878 char* copy = NEW_C_HEAP_ARRAY(char, strlen(value) + 1, mtCompiler); |
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|
879 strcpy(copy, value); |
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|
880 optionValue.string_value = copy; |
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|
881 break; |
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|
882 } |
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|
883 default: |
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|
884 ShouldNotReachHere(); |
21033
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|
885 } |
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|
886 options->put(optionValue); |
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|
887 return true; |
21033
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|
888 } |
4527d2428f37
Convert graalRuntime.cpp to unix line delimiters
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|
889 } |
4527d2428f37
Convert graalRuntime.cpp to unix line delimiters
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|
890 |
21516
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|
891 class GraalOptionParseClosure : public ParseClosure { |
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|
892 OptionsValueTable* _options; |
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|
893 public: |
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|
894 GraalOptionParseClosure(OptionsValueTable* options) : _options(options) {} |
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|
895 void do_line(char* line) { |
21519
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|
896 if (!GraalRuntime::parse_argument(_options, line)) { |
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|
897 warn("There was an error parsing an argument. Skipping it."); |
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|
898 } |
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Use GraalRuntime::parse_lines in GraalRuntime::parse_graal_options_file
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|
899 } |
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Use GraalRuntime::parse_lines in GraalRuntime::parse_graal_options_file
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|
900 }; |
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Use GraalRuntime::parse_lines in GraalRuntime::parse_graal_options_file
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|
901 |
21519
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|
902 void GraalRuntime::parse_graal_options_file(OptionsValueTable* options) { |
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|
903 const char* home = Arguments::get_java_home(); |
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|
904 size_t path_len = strlen(home) + strlen("/lib/graal.options") + 1; |
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|
905 char path[JVM_MAXPATHLEN]; |
21033
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|
906 char sep = os::file_separator()[0]; |
21519
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|
907 jio_snprintf(path, JVM_MAXPATHLEN, "%s%clib%cgraal.options", home, sep, sep); |
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|
908 GraalOptionParseClosure closure(options); |
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909 parse_lines(path, &closure, false); |
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910 } |
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911 |
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912 #define CHECK_WARN_ABORT_(message) THREAD); \ |
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913 if (HAS_PENDING_EXCEPTION) { \ |
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914 warning(message); \ |
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915 char buf[512]; \ |
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916 jio_snprintf(buf, 512, "Uncaught exception at %s:%d", __FILE__, __LINE__); \ |
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917 GraalRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \ |
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918 return; \ |
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919 } \ |
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920 (void)(0 |
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921 |
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922 class SetOptionClosure : public ValueClosure<OptionValue> { |
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923 Thread* _thread; |
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924 public: |
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925 SetOptionClosure(TRAPS) : _thread(THREAD) {} |
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926 void do_value(OptionValue* optionValue) { |
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927 TRAPS = _thread; |
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928 const char* declaringClass = optionValue->desc.declaringClass; |
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929 if (declaringClass == NULL) { |
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930 // skip PrintFlags pseudo-option |
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931 return; |
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932 } |
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933 const char* fieldName = optionValue->desc.name; |
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934 const char* fieldClass = optionValue->desc.fieldClass; |
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935 |
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936 size_t fieldSigLen = 2 + strlen(fieldClass); |
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937 char* fieldSig = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, fieldSigLen + 1); |
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938 jio_snprintf(fieldSig, fieldSigLen + 1, "L%s;", fieldClass); |
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939 for (size_t i = 0; i < fieldSigLen; ++i) { |
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940 if (fieldSig[i] == '.') { |
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941 fieldSig[i] = '/'; |
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942 } |
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943 } |
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944 fieldSig[fieldSigLen] = '\0'; |
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945 size_t declaringClassLen = strlen(declaringClass); |
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946 char* declaringClassBinary = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, declaringClassLen + 1); |
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947 for (size_t i = 0; i < declaringClassLen; ++i) { |
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948 if (declaringClass[i] == '.') { |
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949 declaringClassBinary[i] = '/'; |
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950 } else { |
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951 declaringClassBinary[i] = declaringClass[i]; |
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952 } |
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953 } |
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954 declaringClassBinary[declaringClassLen] = '\0'; |
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955 |
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956 TempNewSymbol name = SymbolTable::new_symbol(declaringClassBinary, CHECK_WARN_ABORT_("Declaring class could not be found")); |
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957 Klass* klass = GraalRuntime::resolve_or_null(name, CHECK_WARN_ABORT_("Declaring class could not be resolved")); |
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958 |
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959 if (klass == NULL) { |
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960 warning("Declaring class for option %s could not be resolved", declaringClass); |
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|
961 abort(); |
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|
962 return; |
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963 } |
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964 |
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965 // The class has been loaded so the field and signature should already be in the symbol |
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966 // table. If they're not there, the field doesn't exist. |
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967 TempNewSymbol fieldname = SymbolTable::probe(fieldName, (int)strlen(fieldName)); |
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968 TempNewSymbol signame = SymbolTable::probe(fieldSig, (int)fieldSigLen); |
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969 if (fieldname == NULL || signame == NULL) { |
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970 warning("Symbols for field for option %s not found (in %s)", fieldName, declaringClass); |
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971 abort(); |
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972 return; |
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973 } |
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974 // Make sure class is initialized before handing id's out to fields |
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975 klass->initialize(CHECK_WARN_ABORT_("Error while initializing declaring class for option")); |
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976 |
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977 fieldDescriptor fd; |
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978 if (!InstanceKlass::cast(klass)->find_field(fieldname, signame, true, &fd)) { |
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979 warning("Field for option %s not found (in %s)", fieldName, declaringClass); |
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980 abort(); |
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|
981 return; |
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982 } |
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983 oop value; |
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984 switch(optionValue->desc.type) { |
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985 case _boolean: { |
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|
986 jvalue jv; |
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987 jv.z = optionValue->boolean_value; |
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988 value = java_lang_boxing_object::create(T_BOOLEAN, &jv, THREAD); |
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|
989 break; |
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990 } |
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991 case _int: { |
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992 jvalue jv; |
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993 jv.i = optionValue->int_value; |
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|
994 value = java_lang_boxing_object::create(T_INT, &jv, THREAD); |
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|
995 break; |
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996 } |
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997 case _long: { |
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|
998 jvalue jv; |
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999 jv.j = optionValue->long_value; |
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1000 value = java_lang_boxing_object::create(T_LONG, &jv, THREAD); |
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1001 break; |
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1002 } |
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1003 case _float: { |
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1004 jvalue jv; |
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1005 jv.f = optionValue->float_value; |
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1006 value = java_lang_boxing_object::create(T_FLOAT, &jv, THREAD); |
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1007 break; |
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1008 } |
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1009 case _double: { |
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1010 jvalue jv; |
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1011 jv.d = optionValue->double_value; |
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1012 value = java_lang_boxing_object::create(T_DOUBLE, &jv, THREAD); |
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1013 break; |
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1014 } |
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1015 case _string: |
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1016 value = java_lang_String::create_from_str(optionValue->string_value, THREAD)(); |
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1017 break; |
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1018 default: |
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1019 ShouldNotReachHere(); |
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1020 } |
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1021 |
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1022 oop optionValueOop = klass->java_mirror()->obj_field(fd.offset()); |
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1023 |
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1024 if (optionValueOop == NULL) { |
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1025 warning("Option field was null, can not set %s", fieldName); |
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1026 abort(); |
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1027 return; |
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1028 } |
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1029 |
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1030 if (!InstanceKlass::cast(optionValueOop->klass())->find_field(vmSymbols::value_name(), vmSymbols::object_signature(), false, &fd)) { |
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1031 warning("'Object value' field not found in option class %s, can not set option %s", fieldClass, fieldName); |
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1032 abort(); |
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1033 return; |
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1034 } |
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1035 |
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1036 optionValueOop->obj_field_put(fd.offset(), value); |
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1037 } |
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1038 }; |
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1039 |
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1040 void GraalRuntime::set_options(OptionsValueTable* options, TRAPS) { |
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1041 ensure_graal_class_loader_is_initialized(); |
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1042 { |
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1043 ResourceMark rm; |
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1044 SetOptionClosure closure(THREAD); |
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1045 options->for_each(&closure); |
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1046 if (closure.is_aborted()) { |
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1047 vm_abort(false); |
21033
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1048 } |
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1049 } |
21519
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1050 OptionValue* printFlags = options->get(PRINT_FLAGS_ARG); |
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1051 if (printFlags != NULL && printFlags->boolean_value) { |
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1052 print_flags_helper(CHECK_ABORT); |
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1053 } |
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1054 } |
21033
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|
1055 |
21519
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1056 void GraalRuntime::print_flags_helper(TRAPS) { |
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|
1057 // TODO(gd) write this in C++? |
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1058 HandleMark hm(THREAD); |
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1059 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotOptions", CHECK_ABORT); |
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1060 KlassHandle hotSpotOptionsClass = load_required_class(name); |
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1061 TempNewSymbol setOption = SymbolTable::new_symbol("printFlags", CHECK); |
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|
1062 JavaValue result(T_VOID); |
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|
1063 JavaCallArguments args; |
21519
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1064 JavaCalls::call_static(&result, hotSpotOptionsClass, setOption, vmSymbols::void_method_signature(), &args, CHECK); |
21033
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|
1065 } |
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|
1066 |
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|
1067 Handle GraalRuntime::create_Service(const char* name, TRAPS) { |
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1068 TempNewSymbol kname = SymbolTable::new_symbol(name, CHECK_NH); |
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1069 Klass* k = resolve_or_fail(kname, CHECK_NH); |
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1070 instanceKlassHandle klass(THREAD, k); |
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1071 klass->initialize(CHECK_NH); |
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1072 klass->check_valid_for_instantiation(true, CHECK_NH); |
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|
1073 JavaValue result(T_VOID); |
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1074 instanceHandle service = klass->allocate_instance_handle(CHECK_NH); |
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1075 JavaCalls::call_special(&result, service, klass, vmSymbols::object_initializer_name(), vmSymbols::void_method_signature(), THREAD); |
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1076 return service; |
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1077 } |
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|
1078 |
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|
1079 void GraalRuntime::shutdown() { |
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1080 if (_HotSpotGraalRuntime_instance != NULL) { |
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|
1081 _shutdown_called = true; |
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1082 JavaThread* THREAD = JavaThread::current(); |
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1083 HandleMark hm(THREAD); |
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1084 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", CHECK_ABORT); |
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1085 KlassHandle klass = load_required_class(name); |
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|
1086 JavaValue result(T_VOID); |
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|
1087 JavaCallArguments args; |
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|
1088 args.push_oop(get_HotSpotGraalRuntime()); |
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|
1089 JavaCalls::call_special(&result, klass, vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, CHECK_ABORT); |
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|
1090 |
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|
1091 JNIHandles::destroy_global(_HotSpotGraalRuntime_instance); |
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1092 _HotSpotGraalRuntime_instance = NULL; |
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|
1093 } |
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|
1094 } |
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|
1095 |
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1096 void GraalRuntime::call_printStackTrace(Handle exception, Thread* thread) { |
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1097 assert(exception->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected"); |
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1098 JavaValue result(T_VOID); |
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1099 JavaCalls::call_virtual(&result, |
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1100 exception, |
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1101 KlassHandle(thread, |
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1102 SystemDictionary::Throwable_klass()), |
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1103 vmSymbols::printStackTrace_name(), |
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1104 vmSymbols::void_method_signature(), |
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1105 thread); |
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1106 } |
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1107 |
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1108 void GraalRuntime::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) { |
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1109 Thread* THREAD = Thread::current(); |
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1110 CLEAR_PENDING_EXCEPTION; |
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1111 tty->print_raw_cr(message); |
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1112 call_printStackTrace(exception, THREAD); |
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1113 |
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1114 // Give other aborting threads to also print their stack traces. |
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1115 // This can be very useful when debugging class initialization |
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1116 // failures. |
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1117 os::sleep(THREAD, 200, false); |
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1118 |
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1119 vm_abort(dump_core); |
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1120 } |
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1121 |
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1122 Klass* GraalRuntime::resolve_or_null(Symbol* name, TRAPS) { |
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1123 return SystemDictionary::resolve_or_null(name, SystemDictionary::graal_loader(), Handle(), CHECK_NULL); |
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1124 } |
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1125 |
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1126 Klass* GraalRuntime::resolve_or_fail(Symbol* name, TRAPS) { |
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1127 return SystemDictionary::resolve_or_fail(name, SystemDictionary::graal_loader(), Handle(), true, CHECK_NULL); |
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1128 } |
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1129 |
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1130 Klass* GraalRuntime::load_required_class(Symbol* name) { |
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1131 Klass* klass = resolve_or_null(name, Thread::current()); |
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1132 if (klass == NULL) { |
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1133 tty->print_cr("Could not load class %s", name->as_C_string()); |
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1134 vm_abort(false); |
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1135 } |
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1136 return klass; |
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1137 } |
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1138 |
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1139 void GraalRuntime::parse_lines(char* path, ParseClosure* closure, bool warnStatFailure) { |
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1140 struct stat st; |
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1141 if (os::stat(path, &st) == 0 && (st.st_mode & S_IFREG) == S_IFREG) { // exists & is regular file |
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1142 int file_handle = os::open(path, 0, 0); |
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1143 if (file_handle != -1) { |
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1144 char* buffer = NEW_C_HEAP_ARRAY(char, st.st_size + 1, mtInternal); |
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1145 int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size); |
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1146 if (num_read == -1) { |
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1147 warning("Error reading file %s due to %s", path, strerror(errno)); |
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1148 } else if (num_read != st.st_size) { |
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1149 warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path); |
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1150 } |
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1151 os::close(file_handle); |
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1152 closure->set_filename(path); |
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1153 if (num_read == st.st_size) { |
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1154 buffer[num_read] = '\0'; |
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1155 |
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1156 char* line = buffer; |
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1157 while (line - buffer < num_read && !closure->is_aborted()) { |
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1158 // find line end (\r, \n or \r\n) |
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1159 char* nextline = NULL; |
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1160 char* cr = strchr(line, '\r'); |
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1161 char* lf = strchr(line, '\n'); |
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1162 if (cr != NULL && lf != NULL) { |
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1163 char* min = MIN2(cr, lf); |
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1164 *min = '\0'; |
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1165 if (lf == cr + 1) { |
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1166 nextline = lf + 1; |
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1167 } else { |
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1168 nextline = min + 1; |
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1169 } |
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1170 } else if (cr != NULL) { |
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1171 *cr = '\0'; |
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1172 nextline = cr + 1; |
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1173 } else if (lf != NULL) { |
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1174 *lf = '\0'; |
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1175 nextline = lf + 1; |
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1176 } |
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1177 // trim left |
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1178 while (*line == ' ' || *line == '\t') line++; |
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1179 char* end = line + strlen(line); |
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1180 // trim right |
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1181 while (end > line && (*(end -1) == ' ' || *(end -1) == '\t')) end--; |
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1182 *end = '\0'; |
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1183 // skip comments and empty lines |
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1184 if (*line != '#' && strlen(line) > 0) { |
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1185 closure->parse_line(line); |
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1186 } |
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1187 if (nextline != NULL) { |
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1188 line = nextline; |
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1189 } else { |
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1190 // File without newline at the end |
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1191 break; |
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1192 } |
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1193 } |
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1194 } |
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1195 FREE_C_HEAP_ARRAY(char, buffer, mtInternal); |
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1196 } else { |
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1197 warning("Error opening file %s due to %s", path, strerror(errno)); |
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1198 } |
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1199 } else if (warnStatFailure) { |
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1200 warning("Could not stat file %s due to %s", path, strerror(errno)); |
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1201 } |
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1202 } |
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1203 |
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1204 class ServiceParseClosure : public ParseClosure { |
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1205 GrowableArray<char*> _implNames; |
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1206 public: |
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1207 ServiceParseClosure() : _implNames() {} |
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1208 void do_line(char* line) { |
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1209 size_t lineLen = strlen(line); |
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1210 char* implName = NEW_C_HEAP_ARRAY(char, lineLen + 1, mtCompiler); // TODO (gd) i'm leaking |
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1211 // Turn all '.'s into '/'s |
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1212 for (size_t index = 0; index < lineLen; ++index) { |
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1213 if (line[index] == '.') { |
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1214 implName[index] = '/'; |
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1215 } else { |
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1216 implName[index] = line[index]; |
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1217 } |
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1218 } |
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1219 implName[lineLen] = '\0'; |
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1220 _implNames.append(implName); |
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1221 } |
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1222 GrowableArray<char*>* implNames() {return &_implNames;} |
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1223 }; |
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1224 |
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1225 |
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1226 Handle GraalRuntime::get_service_impls(KlassHandle serviceKlass, TRAPS) { |
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1227 const char* home = Arguments::get_java_home(); |
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1228 const char* serviceName = serviceKlass->external_name(); |
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1229 size_t path_len = strlen(home) + strlen("/lib/graal/services/") + strlen(serviceName) + 1; |
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1230 char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len); |
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1231 char sep = os::file_separator()[0]; |
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1232 sprintf(path, "%s%clib%cgraal%cservices%c%s", home, sep, sep, sep, sep, serviceName); |
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1233 ServiceParseClosure closure; |
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1234 parse_lines(path, &closure, true); // TODO(gd) cache parsing results? |
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1235 |
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1236 GrowableArray<char*>* implNames = closure.implNames(); |
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1237 objArrayOop servicesOop = oopFactory::new_objArray(serviceKlass(), implNames->length(), CHECK_NH); |
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1238 objArrayHandle services(THREAD, servicesOop); |
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1239 for (int i = 0; i < implNames->length(); ++i) { |
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1240 char* implName = implNames->at(i); |
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1241 Handle service = create_Service(implName, CHECK_NH); |
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1242 services->obj_at_put(i, service()); |
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1243 } |
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1244 return services; |
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1245 } |