Mercurial > hg > graal-jvmci-8
annotate src/share/vm/graal/graalRuntime.cpp @ 15582:063ec2920d21
made Graal runtime initialization in hosted mode lazy
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 09 May 2014 18:46:41 +0200 |
| parents | 0cb5c4d276d4 |
| children | ddb3ef30fcd2 |
| rev | line source |
|---|---|
| 7221 | 1 /* |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 #include "precompiled.hpp" | |
| 7735 | 25 #include "asm/codeBuffer.hpp" |
| 7221 | 26 #include "graal/graalRuntime.hpp" |
| 27 #include "graal/graalVMToCompiler.hpp" | |
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28 #include "graal/graalCompilerToVM.hpp" |
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29 #include "graal/graalJavaAccess.hpp" |
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30 #include "graal/graalEnv.hpp" |
| 7735 | 31 #include "memory/oopFactory.hpp" |
| 32 #include "prims/jvm.h" | |
| 7221 | 33 #include "runtime/biasedLocking.hpp" |
| 7735 | 34 #include "runtime/interfaceSupport.hpp" |
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35 #include "runtime/arguments.hpp" |
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36 #include "runtime/reflection.hpp" |
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37 #include "utilities/debug.hpp" |
| 7221 | 38 |
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39 address GraalRuntime::_external_deopt_i2c_entry = NULL; |
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40 volatile int GraalRuntime::_state = uninitialized; |
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41 |
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42 void GraalRuntime::initialize() { |
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43 { |
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44 MutexLocker locker(GraalInitialization_lock); |
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45 if (_state == uninitialized) { |
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46 _state = initializing; |
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47 } else { |
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48 while (_state == initializing) { |
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49 GraalInitialization_lock->wait(); |
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50 } |
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51 return; |
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52 } |
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53 } |
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54 |
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55 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); |
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56 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; |
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57 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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58 NOT_LP64(error("check TLAB allocation code for address space conflicts")); |
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59 |
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60 ThreadToNativeFromVM trans(JavaThread::current()); |
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61 JavaThread* THREAD = JavaThread::current(); |
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62 TRACE_graal_1("GraalRuntime::initialize"); |
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63 |
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64 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); |
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65 jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl"); |
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66 if (klass == NULL) { |
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67 tty->print_cr("graal CompilerToVMImpl class not found"); |
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68 vm_abort(false); |
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69 } |
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70 env->RegisterNatives(klass, CompilerToVM_methods, CompilerToVM_methods_count()); |
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71 |
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72 ResourceMark rm; |
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73 HandleMark hm; |
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74 { |
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75 GRAAL_VM_ENTRY_MARK; |
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76 check_pending_exception("Could not register natives"); |
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77 } |
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78 |
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79 graal_compute_offsets(); |
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80 |
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81 // Ensure _non_oop_bits is initialized |
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82 Universe::non_oop_word(); |
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83 |
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84 { |
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85 GRAAL_VM_ENTRY_MARK; |
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86 HandleMark hm; |
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87 VMToCompiler::initOptions(); |
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88 for (int i = 0; i < Arguments::num_graal_args(); ++i) { |
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89 const char* arg = Arguments::graal_args_array()[i]; |
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90 Handle option = java_lang_String::create_from_str(arg, THREAD); |
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91 jboolean result = VMToCompiler::setOption(option); |
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92 if (!result) { |
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93 tty->print_cr("Invalid option for graal: -G:%s", arg); |
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94 vm_abort(false); |
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95 } |
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96 } |
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97 VMToCompiler::finalizeOptions(CITime || CITimeEach); |
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98 |
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99 _external_deopt_i2c_entry = create_external_deopt_i2c(); |
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100 |
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101 VMToCompiler::startRuntime(); |
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102 |
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103 { |
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104 MutexLocker locker(GraalInitialization_lock); |
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105 _state = initialized; |
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106 } |
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107 |
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108 #if !defined(PRODUCT) && !defined(COMPILERGRAAL) |
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109 // In COMPILERGRAAL, we want to allow GraalBootstrap |
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110 // to happen first so GraalCompiler::initialize() |
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111 // duplicates the following code. |
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112 if (CompileTheWorld) { |
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113 VMToCompiler::compileTheWorld(); |
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114 } |
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115 #endif |
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116 } |
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117 } |
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118 |
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119 BufferBlob* GraalRuntime::initialize_buffer_blob() { |
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120 JavaThread* THREAD = JavaThread::current(); |
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121 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); |
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122 if (buffer_blob == NULL) { |
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123 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); |
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124 if (buffer_blob != NULL) { |
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125 THREAD->set_buffer_blob(buffer_blob); |
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126 } |
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127 } |
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128 return buffer_blob; |
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129 } |
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130 |
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131 address GraalRuntime::create_external_deopt_i2c() { |
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132 ResourceMark rm; |
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133 BufferBlob* buffer = BufferBlob::create("externalDeopt", 1*K); |
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134 CodeBuffer cb(buffer); |
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135 short buffer_locs[20]; |
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136 cb.insts()->initialize_shared_locs((relocInfo*)buffer_locs, sizeof(buffer_locs)/sizeof(relocInfo)); |
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137 MacroAssembler masm(&cb); |
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138 |
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139 int total_args_passed = 5; |
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140 |
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141 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
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142 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
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143 int i = 0; |
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144 sig_bt[i++] = T_INT; |
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145 sig_bt[i++] = T_LONG; |
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146 sig_bt[i++] = T_VOID; // long stakes 2 slots |
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147 sig_bt[i++] = T_INT; |
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148 sig_bt[i++] = T_OBJECT; |
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149 |
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150 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); |
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151 |
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152 SharedRuntime::gen_i2c_adapter(&masm, total_args_passed, comp_args_on_stack, sig_bt, regs); |
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153 masm.flush(); |
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154 |
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155 return AdapterBlob::create(&cb)->content_begin(); |
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156 } |
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157 |
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158 BasicType GraalRuntime::kindToBasicType(jchar ch) { |
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159 switch(ch) { |
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160 case 'z': return T_BOOLEAN; |
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161 case 'b': return T_BYTE; |
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162 case 's': return T_SHORT; |
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163 case 'c': return T_CHAR; |
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164 case 'i': return T_INT; |
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165 case 'f': return T_FLOAT; |
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166 case 'j': return T_LONG; |
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167 case 'd': return T_DOUBLE; |
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168 case 'a': return T_OBJECT; |
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169 case 'r': return T_ADDRESS; |
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170 case '-': return T_ILLEGAL; |
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171 default: |
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172 fatal(err_msg("unexpected Kind: %c", ch)); |
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173 break; |
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174 } |
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175 return T_ILLEGAL; |
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176 } |
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177 |
| 7221 | 178 // Simple helper to see if the caller of a runtime stub which |
| 179 // entered the VM has been deoptimized | |
| 180 | |
| 181 static bool caller_is_deopted() { | |
| 182 JavaThread* thread = JavaThread::current(); | |
| 183 RegisterMap reg_map(thread, false); | |
| 184 frame runtime_frame = thread->last_frame(); | |
| 185 frame caller_frame = runtime_frame.sender(®_map); | |
| 186 assert(caller_frame.is_compiled_frame(), "must be compiled"); | |
| 187 return caller_frame.is_deoptimized_frame(); | |
| 188 } | |
| 189 | |
| 190 // Stress deoptimization | |
| 191 static void deopt_caller() { | |
| 192 if ( !caller_is_deopted()) { | |
| 193 JavaThread* thread = JavaThread::current(); | |
| 194 RegisterMap reg_map(thread, false); | |
| 195 frame runtime_frame = thread->last_frame(); | |
| 196 frame caller_frame = runtime_frame.sender(®_map); | |
| 197 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 198 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 199 } | |
| 200 } | |
| 201 | |
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202 JRT_BLOCK_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) |
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203 JRT_BLOCK; |
| 7221 | 204 assert(klass->is_klass(), "not a class"); |
| 205 instanceKlassHandle h(thread, klass); | |
| 206 h->check_valid_for_instantiation(true, CHECK); | |
| 207 // make sure klass is initialized | |
| 208 h->initialize(CHECK); | |
| 209 // allocate instance and return via TLS | |
| 210 oop obj = h->allocate_instance(CHECK); | |
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211 thread->set_vm_result(obj); |
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212 JRT_BLOCK_END; |
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213 |
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214 if (GraalDeferredInitBarriers) { |
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215 new_store_pre_barrier(thread); |
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216 } |
| 7221 | 217 JRT_END |
| 218 | |
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219 JRT_BLOCK_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) |
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220 JRT_BLOCK; |
| 7221 | 221 // Note: no handle for klass needed since they are not used |
| 222 // anymore after new_objArray() and no GC can happen before. | |
| 223 // (This may have to change if this code changes!) | |
| 224 assert(array_klass->is_klass(), "not a class"); | |
| 225 oop obj; | |
| 226 if (array_klass->oop_is_typeArray()) { | |
| 227 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); | |
| 228 obj = oopFactory::new_typeArray(elt_type, length, CHECK); | |
| 229 } else { | |
| 230 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); | |
| 231 obj = oopFactory::new_objArray(elem_klass, length, CHECK); | |
| 232 } | |
| 233 thread->set_vm_result(obj); | |
| 234 // This is pretty rare but this runtime patch is stressful to deoptimization | |
| 235 // if we deoptimize here so force a deopt to stress the path. | |
| 236 if (DeoptimizeALot) { | |
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237 static int deopts = 0; |
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238 // Alternate between deoptimizing and raising an error (which will also cause a deopt) |
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239 if (deopts++ % 2 == 0) { |
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240 ResourceMark rm(THREAD); |
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241 THROW(vmSymbols::java_lang_OutOfMemoryError()); |
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242 } else { |
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243 deopt_caller(); |
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244 } |
| 7221 | 245 } |
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246 JRT_BLOCK_END; |
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247 |
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248 if (GraalDeferredInitBarriers) { |
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249 new_store_pre_barrier(thread); |
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250 } |
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251 JRT_END |
| 7221 | 252 |
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253 void GraalRuntime::new_store_pre_barrier(JavaThread* thread) { |
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254 // After any safepoint, just before going back to compiled code, |
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255 // we inform the GC that we will be doing initializing writes to |
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256 // this object in the future without emitting card-marks, so |
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257 // GC may take any compensating steps. |
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258 // NOTE: Keep this code consistent with GraphKit::store_barrier. |
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259 |
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260 oop new_obj = thread->vm_result(); |
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261 if (new_obj == NULL) return; |
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262 |
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263 assert(Universe::heap()->can_elide_tlab_store_barriers(), |
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264 "compiler must check this first"); |
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265 // GC may decide to give back a safer copy of new_obj. |
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266 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); |
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267 thread->set_vm_result(new_obj); |
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268 } |
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269 |
| 7221 | 270 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) |
| 271 assert(klass->is_klass(), "not a class"); | |
| 272 assert(rank >= 1, "rank must be nonzero"); | |
| 273 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); | |
| 274 thread->set_vm_result(obj); | |
| 275 JRT_END | |
| 276 | |
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277 JRT_ENTRY(void, GraalRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) |
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278 oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); |
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279 thread->set_vm_result(obj); |
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280 JRT_END |
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281 |
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282 JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) |
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283 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); |
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284 |
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285 if (klass == NULL) { |
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286 ResourceMark rm(THREAD); |
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287 THROW(vmSymbols::java_lang_InstantiationException()); |
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288 } |
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289 |
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290 // Create new instance (the receiver) |
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291 klass->check_valid_for_instantiation(false, CHECK); |
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292 |
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293 // Make sure klass gets initialized |
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294 klass->initialize(CHECK); |
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295 |
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296 oop obj = klass->allocate_instance(CHECK); |
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297 thread->set_vm_result(obj); |
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298 JRT_END |
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299 |
| 7221 | 300 extern void vm_exit(int code); |
| 301 | |
| 302 // Enter this method from compiled code handler below. This is where we transition | |
| 303 // to VM mode. This is done as a helper routine so that the method called directly | |
| 304 // from compiled code does not have to transition to VM. This allows the entry | |
| 305 // method to see if the nmethod that we have just looked up a handler for has | |
| 306 // been deoptimized while we were in the vm. This simplifies the assembly code | |
| 307 // cpu directories. | |
| 308 // | |
| 309 // We are entering here from exception stub (via the entry method below) | |
| 310 // If there is a compiled exception handler in this method, we will continue there; | |
| 311 // otherwise we will unwind the stack and continue at the caller of top frame method | |
| 312 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to | |
| 313 // control the area where we can allow a safepoint. After we exit the safepoint area we can | |
| 314 // check to see if the handler we are going to return is now in a nmethod that has | |
| 315 // been deoptimized. If that is the case we return the deopt blob | |
| 316 // unpack_with_exception entry instead. This makes life for the exception blob easier | |
| 317 // because making that same check and diverting is painful from assembly language. | |
| 318 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) | |
| 319 // Reset method handle flag. | |
| 320 thread->set_is_method_handle_return(false); | |
| 321 | |
| 322 Handle exception(thread, ex); | |
| 323 nm = CodeCache::find_nmethod(pc); | |
| 324 assert(nm != NULL, "this is not an nmethod"); | |
| 325 // Adjust the pc as needed/ | |
| 326 if (nm->is_deopt_pc(pc)) { | |
| 327 RegisterMap map(thread, false); | |
| 328 frame exception_frame = thread->last_frame().sender(&map); | |
| 329 // if the frame isn't deopted then pc must not correspond to the caller of last_frame | |
| 330 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); | |
| 331 pc = exception_frame.pc(); | |
| 332 } | |
| 333 #ifdef ASSERT | |
| 334 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); | |
| 335 assert(exception->is_oop(), "just checking"); | |
| 336 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError | |
| 337 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { | |
| 338 if (ExitVMOnVerifyError) vm_exit(-1); | |
| 339 ShouldNotReachHere(); | |
| 340 } | |
| 341 #endif | |
| 342 | |
| 343 // Check the stack guard pages and reenable them if necessary and there is | |
| 344 // enough space on the stack to do so. Use fast exceptions only if the guard | |
| 345 // pages are enabled. | |
| 346 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); | |
| 347 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); | |
| 348 | |
| 349 if (JvmtiExport::can_post_on_exceptions()) { | |
| 350 // To ensure correct notification of exception catches and throws | |
| 351 // we have to deoptimize here. If we attempted to notify the | |
| 352 // catches and throws during this exception lookup it's possible | |
| 353 // we could deoptimize on the way out of the VM and end back in | |
| 354 // the interpreter at the throw site. This would result in double | |
| 355 // notifications since the interpreter would also notify about | |
| 356 // these same catches and throws as it unwound the frame. | |
| 357 | |
| 358 RegisterMap reg_map(thread); | |
| 359 frame stub_frame = thread->last_frame(); | |
| 360 frame caller_frame = stub_frame.sender(®_map); | |
| 361 | |
| 362 // We don't really want to deoptimize the nmethod itself since we | |
| 363 // can actually continue in the exception handler ourselves but I | |
| 364 // don't see an easy way to have the desired effect. | |
| 365 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); | |
| 366 assert(caller_is_deopted(), "Must be deoptimized"); | |
| 367 | |
| 368 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 369 } | |
| 370 | |
| 371 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions | |
| 372 if (guard_pages_enabled) { | |
| 373 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); | |
| 374 if (fast_continuation != NULL) { | |
| 375 // Set flag if return address is a method handle call site. | |
| 376 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 377 return fast_continuation; | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 // If the stack guard pages are enabled, check whether there is a handler in | |
| 382 // the current method. Otherwise (guard pages disabled), force an unwind and | |
| 383 // skip the exception cache update (i.e., just leave continuation==NULL). | |
| 384 address continuation = NULL; | |
| 385 if (guard_pages_enabled) { | |
| 386 | |
| 387 // New exception handling mechanism can support inlined methods | |
| 388 // with exception handlers since the mappings are from PC to PC | |
| 389 | |
| 390 // debugging support | |
| 391 // tracing | |
| 392 if (TraceExceptions) { | |
| 393 ttyLocker ttyl; | |
| 394 ResourceMark rm; | |
| 395 int offset = pc - nm->code_begin(); | |
| 396 tty->print_cr("Exception <%s> (0x%x) thrown in compiled method <%s> at PC " PTR_FORMAT " [" PTR_FORMAT "+%d] for thread 0x%x", | |
| 397 exception->print_value_string(), (address)exception(), nm->method()->print_value_string(), pc, nm->code_begin(), offset, thread); | |
| 398 } | |
| 399 // for AbortVMOnException flag | |
| 400 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); | |
| 401 | |
| 402 // Clear out the exception oop and pc since looking up an | |
| 403 // exception handler can cause class loading, which might throw an | |
| 404 // exception and those fields are expected to be clear during | |
| 405 // normal bytecode execution. | |
| 406 thread->set_exception_oop(NULL); | |
| 407 thread->set_exception_pc(NULL); | |
| 408 | |
| 409 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); | |
| 410 // If an exception was thrown during exception dispatch, the exception oop may have changed | |
| 411 thread->set_exception_oop(exception()); | |
| 412 thread->set_exception_pc(pc); | |
| 413 | |
| 414 // the exception cache is used only by non-implicit exceptions | |
| 415 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { | |
| 416 nm->add_handler_for_exception_and_pc(exception, pc, continuation); | |
| 417 } | |
| 418 } | |
| 419 | |
| 420 // Set flag if return address is a method handle call site. | |
| 421 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); | |
| 422 | |
| 423 if (TraceExceptions) { | |
| 424 ttyLocker ttyl; | |
| 425 ResourceMark rm; | |
| 426 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, | |
| 427 thread, continuation, pc); | |
| 428 } | |
| 429 | |
| 430 return continuation; | |
| 431 JRT_END | |
| 432 | |
| 433 // Enter this method from compiled code only if there is a Java exception handler | |
| 434 // in the method handling the exception. | |
| 435 // We are entering here from exception stub. We don't do a normal VM transition here. | |
| 436 // We do it in a helper. This is so we can check to see if the nmethod we have just | |
| 437 // searched for an exception handler has been deoptimized in the meantime. | |
| 438 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { | |
| 439 oop exception = thread->exception_oop(); | |
| 440 address pc = thread->exception_pc(); | |
| 441 // Still in Java mode | |
| 442 DEBUG_ONLY(ResetNoHandleMark rnhm); | |
| 443 nmethod* nm = NULL; | |
| 444 address continuation = NULL; | |
| 445 { | |
| 446 // Enter VM mode by calling the helper | |
| 447 ResetNoHandleMark rnhm; | |
| 448 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); | |
| 449 } | |
| 450 // Back in JAVA, use no oops DON'T safepoint | |
| 451 | |
| 452 // Now check to see if the nmethod we were called from is now deoptimized. | |
| 453 // If so we must return to the deopt blob and deoptimize the nmethod | |
| 454 if (nm != NULL && caller_is_deopted()) { | |
| 455 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); | |
| 456 } | |
| 457 | |
| 458 assert(continuation != NULL, "no handler found"); | |
| 459 return continuation; | |
| 460 } | |
| 461 | |
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462 JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) |
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463 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
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464 thread->set_vm_result(PENDING_EXCEPTION); |
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465 CLEAR_PENDING_EXCEPTION; |
| 7221 | 466 JRT_END |
| 467 | |
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468 JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) |
| 7221 | 469 char message[jintAsStringSize]; |
| 470 sprintf(message, "%d", index); | |
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471 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); |
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472 thread->set_vm_result(PENDING_EXCEPTION); |
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473 CLEAR_PENDING_EXCEPTION; |
| 7221 | 474 JRT_END |
| 475 | |
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476 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 477 if (TraceGraal >= 3) { |
| 478 char type[O_BUFLEN]; | |
| 479 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 480 markOop mark = obj->mark(); | |
| 481 tty->print_cr("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, mark, lock); | |
| 482 tty->flush(); | |
| 483 } | |
| 484 #ifdef ASSERT | |
| 485 if (PrintBiasedLockingStatistics) { | |
| 486 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); | |
| 487 } | |
| 488 #endif | |
| 489 Handle h_obj(thread, obj); | |
| 490 assert(h_obj()->is_oop(), "must be NULL or an object"); | |
| 491 if (UseBiasedLocking) { | |
| 492 // Retry fast entry if bias is revoked to avoid unnecessary inflation | |
| 493 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); | |
| 494 } else { | |
| 7226 | 495 if (GraalUseFastLocking) { |
| 7221 | 496 // When using fast locking, the compiled code has already tried the fast case |
| 497 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); | |
| 498 } else { | |
| 499 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); | |
| 500 } | |
| 501 } | |
| 502 if (TraceGraal >= 3) { | |
| 503 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), obj); | |
| 504 } | |
| 505 JRT_END | |
| 506 | |
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507 JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
| 7221 | 508 assert(thread == JavaThread::current(), "threads must correspond"); |
| 509 assert(thread->last_Java_sp(), "last_Java_sp must be set"); | |
| 510 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown | |
| 511 EXCEPTION_MARK; | |
| 512 | |
| 513 #ifdef DEBUG | |
| 514 if (!obj->is_oop()) { | |
| 515 ResetNoHandleMark rhm; | |
| 516 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); | |
| 517 if (method != NULL) { | |
| 518 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), obj); | |
| 519 } | |
| 520 thread->print_stack_on(tty); | |
| 521 assert(false, "invalid lock object pointer dected"); | |
| 522 } | |
| 523 #endif | |
| 524 | |
| 7226 | 525 if (GraalUseFastLocking) { |
| 7221 | 526 // When using fast locking, the compiled code has already tried the fast case |
| 527 ObjectSynchronizer::slow_exit(obj, lock, THREAD); | |
| 528 } else { | |
| 529 ObjectSynchronizer::fast_exit(obj, lock, THREAD); | |
| 530 } | |
| 531 if (TraceGraal >= 3) { | |
| 532 char type[O_BUFLEN]; | |
| 533 obj->klass()->name()->as_C_string(type, O_BUFLEN); | |
| 534 tty->print_cr("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, obj->mark(), lock); | |
| 535 tty->flush(); | |
| 536 } | |
| 537 JRT_END | |
| 538 | |
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539 JRT_ENTRY(void, GraalRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags)) |
| 7221 | 540 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
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541 bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); |
| 7221 | 542 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); |
| 543 if (!string) { | |
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544 if (!addr && obj->is_oop_or_null(true)) { |
| 7221 | 545 char buf[O_BUFLEN]; |
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546 tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), (address)obj); |
| 7221 | 547 } else { |
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548 tty->print("%p", (address)obj); |
| 7221 | 549 } |
| 550 } else { | |
| 551 ResourceMark rm; | |
| 552 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); | |
| 553 char *buf = java_lang_String::as_utf8_string(obj); | |
| 554 tty->print(buf); | |
| 555 } | |
| 556 if (newline) { | |
| 557 tty->cr(); | |
| 558 } | |
| 559 JRT_END | |
| 560 | |
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561 JRT_LEAF(void, GraalRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) |
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562 thread->satb_mark_queue().enqueue(obj); |
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563 JRT_END |
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564 |
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565 JRT_LEAF(void, GraalRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) |
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566 thread->dirty_card_queue().enqueue(card_addr); |
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567 JRT_END |
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568 |
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569 JRT_LEAF(jboolean, GraalRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) |
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570 bool ret = true; |
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571 if(!Universe::heap()->is_in_closed_subset(parent)) { |
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572 tty->print_cr("Parent Object "INTPTR_FORMAT" not in heap", parent); |
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573 parent->print(); |
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574 ret=false; |
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575 } |
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576 if(!Universe::heap()->is_in_closed_subset(child)) { |
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577 tty->print_cr("Child Object "INTPTR_FORMAT" not in heap", child); |
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578 child->print(); |
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579 ret=false; |
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580 } |
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581 return (jint)ret; |
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582 JRT_END |
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583 |
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584 JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) |
| 7221 | 585 ResourceMark rm; |
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586 const char *error_msg = where == 0L ? "<internal Graal error>" : (char*) (address) where; |
| 7221 | 587 char *detail_msg = NULL; |
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588 if (format != 0L) { |
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589 const char* buf = (char*) (address) format; |
| 7221 | 590 size_t detail_msg_length = strlen(buf) * 2; |
| 591 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); | |
| 592 jio_snprintf(detail_msg, detail_msg_length, buf, value); | |
| 593 } | |
| 594 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); | |
| 595 JRT_END | |
| 596 | |
|
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597 JRT_LEAF(oopDesc*, GraalRuntime::load_and_clear_exception(JavaThread* thread)) |
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598 oop exception = thread->exception_oop(); |
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599 assert(exception != NULL, "npe"); |
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600 thread->set_exception_oop(NULL); |
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601 thread->set_exception_pc(0); |
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602 return exception; |
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603 JRT_END |
| 8506 | 604 |
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605 JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) |
| 7221 | 606 ResourceMark rm; |
| 607 assert(format != NULL && java_lang_String::is_instance(format), "must be"); | |
| 608 char *buf = java_lang_String::as_utf8_string(format); | |
|
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609 tty->print(buf, v1, v2, v3); |
| 7221 | 610 JRT_END |
| 611 | |
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612 static void decipher(jlong v, bool ignoreZero) { |
|
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613 if (v != 0 || !ignoreZero) { |
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614 void* p = (void *)(address) v; |
|
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615 CodeBlob* cb = CodeCache::find_blob(p); |
|
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616 if (cb) { |
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617 if (cb->is_nmethod()) { |
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618 char buf[O_BUFLEN]; |
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619 tty->print("%s [%p+%d]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), cb->code_begin(), (address)v - cb->code_begin()); |
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620 return; |
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621 } |
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622 cb->print_value_on(tty); |
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623 return; |
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624 } |
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625 if (Universe::heap()->is_in(p)) { |
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626 oop obj = oop(p); |
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627 obj->print_value_on(tty); |
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628 return; |
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629 } |
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630 tty->print("%p [long: %d, double %f, char %c]", v, v, v, v); |
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631 } |
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632 } |
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633 |
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634 JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) |
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635 ResourceMark rm; |
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636 char *buf = (char*) (address) format; |
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637 if (vmError) { |
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638 if (buf != NULL) { |
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639 fatal(err_msg(buf, v1, v2, v3)); |
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640 } else { |
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641 fatal("<anonymous error>"); |
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642 } |
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643 } else if (buf != NULL) { |
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644 tty->print(buf, v1, v2, v3); |
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645 } else { |
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646 assert(v2 == 0, "v2 != 0"); |
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647 assert(v3 == 0, "v3 != 0"); |
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648 decipher(v1, false); |
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649 } |
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650 JRT_END |
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651 |
|
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652 JRT_ENTRY(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
| 7221 | 653 union { |
| 654 jlong l; | |
| 655 jdouble d; | |
| 656 jfloat f; | |
| 657 } uu; | |
| 658 uu.l = value; | |
| 659 switch (typeChar) { | |
| 660 case 'z': tty->print(value == 0 ? "false" : "true"); break; | |
| 661 case 'b': tty->print("%d", (jbyte) value); break; | |
| 662 case 'c': tty->print("%c", (jchar) value); break; | |
| 663 case 's': tty->print("%d", (jshort) value); break; | |
| 664 case 'i': tty->print("%d", (jint) value); break; | |
| 665 case 'f': tty->print("%f", uu.f); break; | |
| 666 case 'j': tty->print(INT64_FORMAT, value); break; | |
| 667 case 'd': tty->print("%lf", uu.d); break; | |
| 668 default: assert(false, "unknown typeChar"); break; | |
| 669 } | |
| 670 if (newline) { | |
| 671 tty->cr(); | |
| 672 } | |
| 673 JRT_END | |
| 674 | |
|
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675 JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) |
| 7221 | 676 return (jint) obj->identity_hash(); |
| 677 JRT_END | |
| 678 | |
|
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679 JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) |
|
7220
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680 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate |
|
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681 Handle receiverHandle(thread, receiver); |
|
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|
682 MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); |
|
7386
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fixed HotSpot windows build
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|
683 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
|
14608
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684 if (receiverThread == NULL) { |
|
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685 // The other thread may exit during this process, which is ok so return false. |
|
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686 return JNI_FALSE; |
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687 } else { |
|
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688 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
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689 } |
| 7221 | 690 JRT_END |
| 691 | |
| 692 // JVM_InitializeGraalRuntime | |
| 693 JVM_ENTRY(jobject, JVM_InitializeGraalRuntime(JNIEnv *env, jclass graalclass)) | |
|
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694 GraalRuntime::initialize(); |
|
063ec2920d21
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695 return VMToCompiler::get_HotSpotGraalRuntime_jobject(); |
| 7221 | 696 JVM_END |
|
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Restructure the handling of HotSpotInstalledCode and their link to nmethods.
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697 |
|
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Restructure the handling of HotSpotInstalledCode and their link to nmethods.
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698 // JVM_InitializeTruffleRuntime |
|
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699 JVM_ENTRY(jobject, JVM_InitializeTruffleRuntime(JNIEnv *env, jclass graalclass)) |
|
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700 GraalRuntime::initialize(); |
|
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701 return JNIHandles::make_local(VMToCompiler::create_HotSpotTruffleRuntime()()); |
|
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Restructure the handling of HotSpotInstalledCode and their link to nmethods.
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702 JVM_END |