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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/deoptimizer.h" | 8 #include "src/deoptimizer.h" |
9 #include "src/full-codegen.h" | 9 #include "src/full-codegen.h" |
10 #include "src/safepoint-table.h" | 10 #include "src/safepoint-table.h" |
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25 void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { | 25 void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { |
26 // Invalidate the relocation information, as it will become invalid by the | 26 // Invalidate the relocation information, as it will become invalid by the |
27 // code patching below, and is not needed any more. | 27 // code patching below, and is not needed any more. |
28 code->InvalidateRelocation(); | 28 code->InvalidateRelocation(); |
29 | 29 |
30 // TODO(jkummerow): if (FLAG_zap_code_space), make the code object's | 30 // TODO(jkummerow): if (FLAG_zap_code_space), make the code object's |
31 // entry sequence unusable (see other architectures). | 31 // entry sequence unusable (see other architectures). |
32 | 32 |
33 DeoptimizationInputData* deopt_data = | 33 DeoptimizationInputData* deopt_data = |
34 DeoptimizationInputData::cast(code->deoptimization_data()); | 34 DeoptimizationInputData::cast(code->deoptimization_data()); |
35 SharedFunctionInfo* shared = | |
36 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo()); | |
37 shared->EvictFromOptimizedCodeMap(code, "deoptimized code"); | |
38 Address code_start_address = code->instruction_start(); | 35 Address code_start_address = code->instruction_start(); |
39 #ifdef DEBUG | 36 #ifdef DEBUG |
40 Address prev_call_address = NULL; | 37 Address prev_call_address = NULL; |
41 #endif | 38 #endif |
42 // For each LLazyBailout instruction insert a call to the corresponding | 39 // For each LLazyBailout instruction insert a call to the corresponding |
43 // deoptimization entry. | 40 // deoptimization entry. |
44 for (int i = 0; i < deopt_data->DeoptCount(); i++) { | 41 for (int i = 0; i < deopt_data->DeoptCount(); i++) { |
45 if (deopt_data->Pc(i)->value() == -1) continue; | 42 if (deopt_data->Pc(i)->value() == -1) continue; |
46 | 43 |
47 Address call_address = code_start_address + deopt_data->Pc(i)->value(); | 44 Address call_address = code_start_address + deopt_data->Pc(i)->value(); |
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350 | 347 |
351 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { | 348 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { |
352 // No out-of-line constant pool support. | 349 // No out-of-line constant pool support. |
353 UNREACHABLE(); | 350 UNREACHABLE(); |
354 } | 351 } |
355 | 352 |
356 | 353 |
357 #undef __ | 354 #undef __ |
358 | 355 |
359 } } // namespace v8::internal | 356 } } // namespace v8::internal |
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