Mercurial > hg > graal-compiler
annotate src/share/vm/graal/graalRuntime.cpp @ 7220:fcae6d960acd
added more compiler intrinsics
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Tue, 11 Dec 2012 08:28:00 +0100 |
parents | 5a95c784febf |
children | 2ae3e26b7e9a |
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Added code to resolve GraalRuntime into HotSpot. Added graal.api.test project.
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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 |
861f8d5a5153
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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 |
861f8d5a5153
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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 "runtime/interfaceSupport.hpp" |
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26 #include "prims/jvm.h" |
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27 #include "graal/graalRuntime.hpp" |
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28 #include "graal/graalVMToCompiler.hpp" |
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29 #include "asm/codeBuffer.hpp" |
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30 #include "runtime/biasedLocking.hpp" |
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31 |
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32 // Implementation of GraalStubAssembler |
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33 |
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34 GraalStubAssembler::GraalStubAssembler(CodeBuffer* code, const char * name, int stub_id) : MacroAssembler(code) { |
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35 _name = name; |
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36 _must_gc_arguments = false; |
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37 _frame_size = no_frame_size; |
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38 _num_rt_args = 0; |
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39 _stub_id = stub_id; |
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40 } |
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41 |
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42 |
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43 void GraalStubAssembler::set_info(const char* name, bool must_gc_arguments) { |
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44 _name = name; |
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45 _must_gc_arguments = must_gc_arguments; |
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46 } |
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47 |
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48 |
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49 void GraalStubAssembler::set_frame_size(int size) { |
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50 if (_frame_size == no_frame_size) { |
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51 _frame_size = size; |
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52 } |
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53 assert(_frame_size == size, "can't change the frame size"); |
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54 } |
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55 |
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56 |
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57 void GraalStubAssembler::set_num_rt_args(int args) { |
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58 if (_num_rt_args == 0) { |
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59 _num_rt_args = args; |
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60 } |
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61 assert(_num_rt_args == args, "can't change the number of args"); |
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62 } |
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63 |
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64 // Implementation of GraalRuntime |
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65 |
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66 CodeBlob* GraalRuntime::_blobs[GraalRuntime::number_of_ids]; |
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67 const char *GraalRuntime::_blob_names[] = { |
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68 GRAAL_STUBS(STUB_NAME, LAST_STUB_NAME) |
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69 }; |
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70 |
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71 // Simple helper to see if the caller of a runtime stub which |
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72 // entered the VM has been deoptimized |
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73 |
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74 static bool caller_is_deopted() { |
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75 JavaThread* thread = JavaThread::current(); |
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76 RegisterMap reg_map(thread, false); |
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77 frame runtime_frame = thread->last_frame(); |
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78 frame caller_frame = runtime_frame.sender(®_map); |
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79 assert(caller_frame.is_compiled_frame(), "must be compiled"); |
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80 return caller_frame.is_deoptimized_frame(); |
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81 } |
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82 |
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83 // Stress deoptimization |
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84 static void deopt_caller() { |
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85 if ( !caller_is_deopted()) { |
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86 JavaThread* thread = JavaThread::current(); |
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87 RegisterMap reg_map(thread, false); |
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88 frame runtime_frame = thread->last_frame(); |
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89 frame caller_frame = runtime_frame.sender(®_map); |
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90 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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91 assert(caller_is_deopted(), "Must be deoptimized"); |
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92 } |
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93 } |
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94 |
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95 static bool setup_code_buffer(CodeBuffer* code) { |
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96 // Preinitialize the consts section to some large size: |
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97 int locs_buffer_size = 1 * (relocInfo::length_limit + sizeof(relocInfo)); |
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98 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); |
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99 code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, |
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100 locs_buffer_size / sizeof(relocInfo)); |
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101 |
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102 // Global stubs have neither constants nor local stubs |
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103 code->initialize_consts_size(0); |
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104 code->initialize_stubs_size(0); |
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105 |
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106 return true; |
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107 } |
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108 |
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109 void GraalRuntime::generate_blob_for(BufferBlob* buffer_blob, StubID id) { |
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110 assert(0 <= id && id < number_of_ids, "illegal stub id"); |
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111 ResourceMark rm; |
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112 // create code buffer for code storage |
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113 CodeBuffer code(buffer_blob); |
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114 |
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115 setup_code_buffer(&code); |
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116 |
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117 // create assembler for code generation |
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118 GraalStubAssembler* sasm = new GraalStubAssembler(&code, name_for(id), id); |
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119 // generate code for runtime stub |
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120 OopMapSet* oop_maps; |
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121 oop_maps = generate_code_for(id, sasm); |
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122 assert(oop_maps == NULL || sasm->frame_size() != no_frame_size, |
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123 "if stub has an oop map it must have a valid frame size"); |
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124 |
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125 #ifdef ASSERT |
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126 // Make sure that stubs that need oopmaps have them |
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127 switch (id) { |
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128 // These stubs don't need to have an oopmap |
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129 case graal_slow_subtype_check_id: |
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130 #if defined(SPARC) || defined(PPC) |
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131 case handle_exception_nofpu_id: // Unused on sparc |
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132 #endif |
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133 #ifdef GRAAL |
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134 case graal_verify_oop_id: |
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135 case graal_unwind_exception_call_id: |
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136 case graal_OSR_migration_end_id: |
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137 case graal_arithmetic_frem_id: |
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138 case graal_arithmetic_drem_id: |
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139 case graal_set_deopt_info_id: |
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140 #endif |
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141 break; |
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142 |
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143 // All other stubs should have oopmaps |
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144 default: |
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145 assert(oop_maps != NULL, "must have an oopmap"); |
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146 } |
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147 #endif |
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148 |
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149 // align so printing shows nop's instead of random code at the end (SimpleStubs are aligned) |
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150 sasm->align(BytesPerWord); |
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151 // make sure all code is in code buffer |
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152 sasm->flush(); |
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153 // create blob - distinguish a few special cases |
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154 CodeBlob* blob = RuntimeStub::new_runtime_stub(name_for(id), |
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155 &code, |
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156 CodeOffsets::frame_never_safe, |
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157 sasm->frame_size(), |
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158 oop_maps, |
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159 sasm->must_gc_arguments()); |
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160 // install blob |
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161 assert(blob != NULL, "blob must exist"); |
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162 _blobs[id] = blob; |
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163 } |
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164 |
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165 |
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166 void GraalRuntime::initialize(BufferBlob* blob) { |
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167 // generate stubs |
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168 for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id); |
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169 // printing |
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170 #ifndef PRODUCT |
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171 if (PrintSimpleStubs) { |
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172 ResourceMark rm; |
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173 for (int id = 0; id < number_of_ids; id++) { |
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174 _blobs[id]->print(); |
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175 if (_blobs[id]->oop_maps() != NULL) { |
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176 _blobs[id]->oop_maps()->print(); |
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177 } |
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178 } |
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179 } |
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180 #endif |
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181 } |
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182 |
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183 |
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184 CodeBlob* GraalRuntime::blob_for(StubID id) { |
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185 assert(0 <= id && id < number_of_ids, "illegal stub id"); |
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186 return _blobs[id]; |
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187 } |
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188 |
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189 |
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190 const char* GraalRuntime::name_for(StubID id) { |
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191 assert(0 <= id && id < number_of_ids, "illegal stub id"); |
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192 return _blob_names[id]; |
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193 } |
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194 |
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195 const char* GraalRuntime::name_for_address(address entry) { |
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196 for (int id = 0; id < number_of_ids; id++) { |
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197 if (entry == entry_for((StubID)id)) return name_for((StubID)id); |
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198 } |
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199 |
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200 #define FUNCTION_CASE(a, f) \ |
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201 if ((intptr_t)a == CAST_FROM_FN_PTR(intptr_t, f)) return #f |
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202 |
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203 FUNCTION_CASE(entry, os::javaTimeMillis); |
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204 FUNCTION_CASE(entry, os::javaTimeNanos); |
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205 FUNCTION_CASE(entry, SharedRuntime::OSR_migration_end); |
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206 FUNCTION_CASE(entry, SharedRuntime::d2f); |
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207 FUNCTION_CASE(entry, SharedRuntime::d2i); |
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208 FUNCTION_CASE(entry, SharedRuntime::d2l); |
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209 FUNCTION_CASE(entry, SharedRuntime::dcos); |
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210 FUNCTION_CASE(entry, SharedRuntime::dexp); |
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211 FUNCTION_CASE(entry, SharedRuntime::dlog); |
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212 FUNCTION_CASE(entry, SharedRuntime::dlog10); |
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213 FUNCTION_CASE(entry, SharedRuntime::dpow); |
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214 FUNCTION_CASE(entry, SharedRuntime::drem); |
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215 FUNCTION_CASE(entry, SharedRuntime::dsin); |
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216 FUNCTION_CASE(entry, SharedRuntime::dtan); |
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217 FUNCTION_CASE(entry, SharedRuntime::f2i); |
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218 FUNCTION_CASE(entry, SharedRuntime::f2l); |
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219 FUNCTION_CASE(entry, SharedRuntime::frem); |
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220 FUNCTION_CASE(entry, SharedRuntime::l2d); |
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221 FUNCTION_CASE(entry, SharedRuntime::l2f); |
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222 FUNCTION_CASE(entry, SharedRuntime::ldiv); |
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223 FUNCTION_CASE(entry, SharedRuntime::lmul); |
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224 FUNCTION_CASE(entry, SharedRuntime::lrem); |
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225 FUNCTION_CASE(entry, SharedRuntime::lrem); |
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226 FUNCTION_CASE(entry, SharedRuntime::dtrace_method_entry); |
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227 FUNCTION_CASE(entry, SharedRuntime::dtrace_method_exit); |
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228 #ifdef TRACE_HAVE_INTRINSICS |
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229 FUNCTION_CASE(entry, TRACE_TIME_METHOD); |
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230 #endif |
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231 |
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232 ShouldNotReachHere(); |
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233 return NULL; |
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234 |
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235 #undef FUNCTION_CASE |
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236 } |
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237 |
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238 |
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239 JRT_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) |
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240 assert(klass->is_klass(), "not a class"); |
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241 instanceKlassHandle h(thread, klass); |
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242 h->check_valid_for_instantiation(true, CHECK); |
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243 // make sure klass is initialized |
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244 h->initialize(CHECK); |
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245 // allocate instance and return via TLS |
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246 oop obj = h->allocate_instance(CHECK); |
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247 thread->set_vm_result(obj); |
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248 JRT_END |
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249 |
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250 |
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251 JRT_ENTRY(void, GraalRuntime::new_type_array(JavaThread* thread, Klass* klass, jint length)) |
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252 // Note: no handle for klass needed since they are not used |
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253 // anymore after new_typeArray() and no GC can happen before. |
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254 // (This may have to change if this code changes!) |
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255 assert(klass->is_klass(), "not a class"); |
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256 BasicType elt_type = TypeArrayKlass::cast(klass)->element_type(); |
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257 oop obj = oopFactory::new_typeArray(elt_type, length, CHECK); |
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258 thread->set_vm_result(obj); |
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259 // This is pretty rare but this runtime patch is stressful to deoptimization |
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260 // if we deoptimize here so force a deopt to stress the path. |
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261 if (DeoptimizeALot) { |
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262 deopt_caller(); |
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263 } |
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264 |
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265 JRT_END |
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266 |
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267 |
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268 JRT_ENTRY(void, GraalRuntime::new_object_array(JavaThread* thread, Klass* array_klass, jint length)) |
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269 // Note: no handle for klass needed since they are not used |
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270 // anymore after new_objArray() and no GC can happen before. |
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271 // (This may have to change if this code changes!) |
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272 assert(array_klass->is_klass(), "not a class"); |
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273 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); |
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274 objArrayOop obj = oopFactory::new_objArray(elem_klass, length, CHECK); |
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275 thread->set_vm_result(obj); |
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276 // This is pretty rare but this runtime patch is stressful to deoptimization |
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277 // if we deoptimize here so force a deopt to stress the path. |
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278 if (DeoptimizeALot) { |
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279 deopt_caller(); |
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280 } |
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281 JRT_END |
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282 |
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283 |
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284 JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) |
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285 assert(klass->is_klass(), "not a class"); |
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286 assert(rank >= 1, "rank must be nonzero"); |
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287 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); |
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288 thread->set_vm_result(obj); |
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289 JRT_END |
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290 |
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291 JRT_ENTRY(void, GraalRuntime::unimplemented_entry(JavaThread* thread, StubID id)) |
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292 tty->print_cr("GraalRuntime::entry_for(%d) returned unimplemented entry point", id); |
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293 JRT_END |
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294 |
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295 extern void vm_exit(int code); |
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296 |
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297 // Enter this method from compiled code handler below. This is where we transition |
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298 // to VM mode. This is done as a helper routine so that the method called directly |
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299 // from compiled code does not have to transition to VM. This allows the entry |
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300 // method to see if the nmethod that we have just looked up a handler for has |
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301 // been deoptimized while we were in the vm. This simplifies the assembly code |
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302 // cpu directories. |
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303 // |
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304 // We are entering here from exception stub (via the entry method below) |
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305 // If there is a compiled exception handler in this method, we will continue there; |
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306 // otherwise we will unwind the stack and continue at the caller of top frame method |
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307 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to |
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308 // control the area where we can allow a safepoint. After we exit the safepoint area we can |
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309 // check to see if the handler we are going to return is now in a nmethod that has |
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310 // been deoptimized. If that is the case we return the deopt blob |
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311 // unpack_with_exception entry instead. This makes life for the exception blob easier |
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312 // because making that same check and diverting is painful from assembly language. |
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313 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) |
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314 // Reset method handle flag. |
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315 thread->set_is_method_handle_return(false); |
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316 |
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317 Handle exception(thread, ex); |
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318 nm = CodeCache::find_nmethod(pc); |
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319 assert(nm != NULL, "this is not an nmethod"); |
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320 // Adjust the pc as needed/ |
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321 if (nm->is_deopt_pc(pc)) { |
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322 RegisterMap map(thread, false); |
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323 frame exception_frame = thread->last_frame().sender(&map); |
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324 // if the frame isn't deopted then pc must not correspond to the caller of last_frame |
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325 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); |
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326 pc = exception_frame.pc(); |
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327 } |
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328 #ifdef ASSERT |
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329 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); |
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330 assert(exception->is_oop(), "just checking"); |
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331 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError |
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332 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { |
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333 if (ExitVMOnVerifyError) vm_exit(-1); |
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334 ShouldNotReachHere(); |
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335 } |
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336 #endif |
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337 |
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338 // Check the stack guard pages and reenable them if necessary and there is |
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339 // enough space on the stack to do so. Use fast exceptions only if the guard |
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340 // pages are enabled. |
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341 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); |
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342 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); |
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343 |
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344 if (JvmtiExport::can_post_on_exceptions()) { |
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345 // To ensure correct notification of exception catches and throws |
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346 // we have to deoptimize here. If we attempted to notify the |
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347 // catches and throws during this exception lookup it's possible |
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348 // we could deoptimize on the way out of the VM and end back in |
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349 // the interpreter at the throw site. This would result in double |
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350 // notifications since the interpreter would also notify about |
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351 // these same catches and throws as it unwound the frame. |
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352 |
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353 RegisterMap reg_map(thread); |
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354 frame stub_frame = thread->last_frame(); |
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355 frame caller_frame = stub_frame.sender(®_map); |
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356 |
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357 // We don't really want to deoptimize the nmethod itself since we |
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358 // can actually continue in the exception handler ourselves but I |
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359 // don't see an easy way to have the desired effect. |
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360 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); |
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361 assert(caller_is_deopted(), "Must be deoptimized"); |
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362 |
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363 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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364 } |
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365 |
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366 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions |
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367 if (guard_pages_enabled) { |
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368 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); |
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369 if (fast_continuation != NULL) { |
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370 // Set flag if return address is a method handle call site. |
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371 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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372 return fast_continuation; |
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373 } |
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374 } |
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375 |
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376 // If the stack guard pages are enabled, check whether there is a handler in |
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377 // the current method. Otherwise (guard pages disabled), force an unwind and |
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378 // skip the exception cache update (i.e., just leave continuation==NULL). |
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379 address continuation = NULL; |
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380 if (guard_pages_enabled) { |
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381 |
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382 // New exception handling mechanism can support inlined methods |
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383 // with exception handlers since the mappings are from PC to PC |
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384 |
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385 // debugging support |
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386 // tracing |
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387 if (TraceExceptions) { |
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388 ttyLocker ttyl; |
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389 ResourceMark rm; |
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390 int offset = pc - nm->code_begin(); |
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391 tty->print_cr("Exception <%s> (0x%x) thrown in compiled method <%s> at PC " PTR_FORMAT " [" PTR_FORMAT "+%d] for thread 0x%x", |
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392 exception->print_value_string(), (address)exception(), nm->method()->print_value_string(), pc, nm->code_begin(), offset, thread); |
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393 } |
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394 // for AbortVMOnException flag |
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395 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); |
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396 |
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397 // Clear out the exception oop and pc since looking up an |
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398 // exception handler can cause class loading, which might throw an |
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399 // exception and those fields are expected to be clear during |
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400 // normal bytecode execution. |
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401 thread->set_exception_oop(NULL); |
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402 thread->set_exception_pc(NULL); |
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403 |
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404 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); |
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405 // If an exception was thrown during exception dispatch, the exception oop may have changed |
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406 thread->set_exception_oop(exception()); |
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407 thread->set_exception_pc(pc); |
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408 |
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409 // the exception cache is used only by non-implicit exceptions |
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410 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { |
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411 nm->add_handler_for_exception_and_pc(exception, pc, continuation); |
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412 } |
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413 } |
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414 |
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415 thread->set_vm_result(exception()); |
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416 // Set flag if return address is a method handle call site. |
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417 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); |
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418 |
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419 if (TraceExceptions) { |
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420 ttyLocker ttyl; |
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421 ResourceMark rm; |
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422 tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, |
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423 thread, continuation, pc); |
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424 } |
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425 |
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426 return continuation; |
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427 JRT_END |
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428 |
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429 // Enter this method from compiled code only if there is a Java exception handler |
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430 // in the method handling the exception. |
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431 // We are entering here from exception stub. We don't do a normal VM transition here. |
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432 // We do it in a helper. This is so we can check to see if the nmethod we have just |
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433 // searched for an exception handler has been deoptimized in the meantime. |
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434 address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { |
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435 oop exception = thread->exception_oop(); |
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436 address pc = thread->exception_pc(); |
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437 // Still in Java mode |
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438 DEBUG_ONLY(ResetNoHandleMark rnhm); |
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439 nmethod* nm = NULL; |
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440 address continuation = NULL; |
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441 { |
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442 // Enter VM mode by calling the helper |
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443 ResetNoHandleMark rnhm; |
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444 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); |
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445 } |
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446 // Back in JAVA, use no oops DON'T safepoint |
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447 |
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448 // Now check to see if the nmethod we were called from is now deoptimized. |
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449 // If so we must return to the deopt blob and deoptimize the nmethod |
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450 if (nm != NULL && caller_is_deopted()) { |
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451 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
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452 } |
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453 |
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454 assert(continuation != NULL, "no handler found"); |
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455 return continuation; |
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456 } |
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457 |
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458 JRT_ENTRY(void, GraalRuntime::graal_create_null_exception(JavaThread* thread)) |
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459 thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_NullPointerException(), NULL)()); |
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460 JRT_END |
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461 |
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462 JRT_ENTRY(void, GraalRuntime::graal_create_out_of_bounds_exception(JavaThread* thread, jint index)) |
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463 char message[jintAsStringSize]; |
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464 sprintf(message, "%d", index); |
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465 thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message)()); |
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466 JRT_END |
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467 |
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468 JRT_ENTRY_NO_ASYNC(void, GraalRuntime::graal_monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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469 if (TraceGraal >= 3) { |
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470 char type[O_BUFLEN]; |
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471 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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472 markOop mark = obj->mark(); |
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473 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); |
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474 tty->flush(); |
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475 } |
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476 #ifdef ASSERT |
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477 if (PrintBiasedLockingStatistics) { |
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478 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
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479 } |
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480 #endif |
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481 Handle h_obj(thread, obj); |
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482 assert(h_obj()->is_oop(), "must be NULL or an object"); |
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483 if (UseBiasedLocking) { |
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484 // Retry fast entry if bias is revoked to avoid unnecessary inflation |
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485 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); |
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486 } else { |
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487 if (UseFastLocking) { |
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488 // When using fast locking, the compiled code has already tried the fast case |
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489 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); |
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490 } else { |
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491 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); |
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492 } |
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493 } |
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494 if (TraceGraal >= 3) { |
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495 tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), obj); |
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496 } |
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497 JRT_END |
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498 |
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499 |
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500 JRT_LEAF(void, GraalRuntime::graal_monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) |
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501 assert(thread == JavaThread::current(), "threads must correspond"); |
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502 assert(thread->last_Java_sp(), "last_Java_sp must be set"); |
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503 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown |
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504 EXCEPTION_MARK; |
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505 |
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506 #ifdef DEBUG |
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507 if (!obj->is_oop()) { |
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508 ResetNoHandleMark rhm; |
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509 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); |
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510 if (method != NULL) { |
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511 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), obj); |
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512 } |
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513 thread->print_stack_on(tty); |
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514 assert(false, "invalid lock object pointer dected"); |
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515 } |
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516 #endif |
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517 |
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518 if (UseFastLocking) { |
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519 // When using fast locking, the compiled code has already tried the fast case |
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520 ObjectSynchronizer::slow_exit(obj, lock, THREAD); |
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521 } else { |
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522 ObjectSynchronizer::fast_exit(obj, lock, THREAD); |
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523 } |
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524 if (TraceGraal >= 3) { |
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525 char type[O_BUFLEN]; |
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526 obj->klass()->name()->as_C_string(type, O_BUFLEN); |
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527 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); |
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528 tty->flush(); |
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529 } |
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530 JRT_END |
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531 |
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532 JRT_ENTRY(void, GraalRuntime::graal_log_object(JavaThread* thread, oop obj, jint flags)) |
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533 bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); |
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534 bool address = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); |
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535 bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); |
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536 if (!string) { |
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537 if (!address && obj->is_oop_or_null(true)) { |
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538 char buf[O_BUFLEN]; |
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539 tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), obj); |
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540 } else { |
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541 tty->print("%p", obj); |
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542 } |
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543 } else { |
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544 ResourceMark rm; |
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545 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); |
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546 char *buf = java_lang_String::as_utf8_string(obj); |
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547 tty->print(buf); |
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548 } |
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549 if (newline) { |
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550 tty->cr(); |
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551 } |
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552 JRT_END |
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553 |
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554 JRT_ENTRY(void, GraalRuntime::graal_vm_error(JavaThread* thread, oop where, oop format, jlong value)) |
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555 ResourceMark rm; |
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556 assert(where == NULL || java_lang_String::is_instance(where), "must be"); |
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557 const char *error_msg = where == NULL ? "<internal Graal error>" : java_lang_String::as_utf8_string(where); |
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558 char *detail_msg = NULL; |
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559 if (format != NULL) { |
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560 const char* buf = java_lang_String::as_utf8_string(format); |
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561 size_t detail_msg_length = strlen(buf) * 2; |
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562 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); |
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563 jio_snprintf(detail_msg, detail_msg_length, buf, value); |
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564 } |
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565 report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); |
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566 JRT_END |
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567 |
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568 JRT_ENTRY(void, GraalRuntime::graal_log_printf(JavaThread* thread, oop format, jlong val)) |
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569 ResourceMark rm; |
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570 assert(format != NULL && java_lang_String::is_instance(format), "must be"); |
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571 char *buf = java_lang_String::as_utf8_string(format); |
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572 tty->print(buf, val); |
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573 JRT_END |
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574 |
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575 JRT_ENTRY(void, GraalRuntime::graal_log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) |
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576 union { |
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577 jlong l; |
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578 jdouble d; |
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579 jfloat f; |
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580 } uu; |
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581 uu.l = value; |
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582 switch (typeChar) { |
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583 case 'z': tty->print(value == 0 ? "false" : "true"); break; |
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584 case 'b': tty->print("%d", (jbyte) value); break; |
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585 case 'c': tty->print("%c", (jchar) value); break; |
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586 case 's': tty->print("%d", (jshort) value); break; |
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587 case 'i': tty->print("%d", (jint) value); break; |
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588 case 'f': tty->print("%f", uu.f); break; |
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589 case 'j': tty->print(INT64_FORMAT, value); break; |
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590 case 'd': tty->print("%lf", uu.d); break; |
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591 default: assert(false, "unknown typeChar"); break; |
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592 } |
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593 if (newline) { |
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594 tty->cr(); |
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595 } |
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596 JRT_END |
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597 |
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598 JRT_ENTRY(jint, GraalRuntime::graal_identity_hash_code(JavaThread* thread, oop obj)) |
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599 return (jint) obj->identity_hash(); |
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600 JRT_END |
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601 |
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602 JRT_ENTRY(jboolean, GraalRuntime::graal_thread_is_interrupted(JavaThread* thread, oop receiver, jboolean clear_interrupted)) |
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603 // TEMP: |
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604 tty->print_cr("ThreadIsInterruptedSlowCase"); |
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605 |
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606 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate |
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607 Handle receiverHandle(thread, receiver); |
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608 JRT_BLOCK |
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609 MutexLockerEx ml(thread->threadObj() == receiver ? NULL : Threads_lock); |
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610 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); |
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611 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); |
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612 JRT_BLOCK_END |
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613 JRT_END |
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614 |
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615 // JVM_InitializeGraalRuntime |
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616 JVM_ENTRY(jobject, JVM_InitializeGraalRuntime(JNIEnv *env, jclass graalclass)) |
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617 return VMToCompiler::graalRuntimePermObject(); |
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618 JVM_END |