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| 1 | 1 |
| 2 // Copyright 2011 the V8 project authors. All rights reserved. | 2 // Copyright 2011 the V8 project authors. All rights reserved. |
| 3 // Redistribution and use in source and binary forms, with or without | 3 // Redistribution and use in source and binary forms, with or without |
| 4 // modification, are permitted provided that the following conditions are | 4 // modification, are permitted provided that the following conditions are |
| 5 // met: | 5 // met: |
| 6 // | 6 // |
| 7 // * Redistributions of source code must retain the above copyright | 7 // * Redistributions of source code must retain the above copyright |
| 8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
| 9 // * Redistributions in binary form must reproduce the above | 9 // * Redistributions in binary form must reproduce the above |
| 10 // copyright notice, this list of conditions and the following | 10 // copyright notice, this list of conditions and the following |
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| 62 | 62 |
| 63 DeoptimizationInputData* data = | 63 DeoptimizationInputData* data = |
| 64 DeoptimizationInputData::cast(code->deoptimization_data()); | 64 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 65 int osr_offset = data->OsrPcOffset()->value(); | 65 int osr_offset = data->OsrPcOffset()->value(); |
| 66 if (osr_offset > 0) { | 66 if (osr_offset > 0) { |
| 67 CodePatcher osr_patcher(code->instruction_start() + osr_offset, 1); | 67 CodePatcher osr_patcher(code->instruction_start() + osr_offset, 1); |
| 68 osr_patcher.masm()->break_(0xCC); | 68 osr_patcher.masm()->break_(0xCC); |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 | 71 |
| 72 // For each LLazyBailout instruction insert a call to the corresponding | |
| 73 // deoptimization entry. | |
| 74 DeoptimizationInputData* deopt_data = | 72 DeoptimizationInputData* deopt_data = |
| 75 DeoptimizationInputData::cast(code->deoptimization_data()); | 73 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 74 SharedFunctionInfo* shared = |
| 75 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo()); |
| 76 shared->EvictFromOptimizedCodeMap(code, "deoptimized code"); |
| 76 #ifdef DEBUG | 77 #ifdef DEBUG |
| 77 Address prev_call_address = NULL; | 78 Address prev_call_address = NULL; |
| 78 #endif | 79 #endif |
| 80 // For each LLazyBailout instruction insert a call to the corresponding |
| 81 // deoptimization entry. |
| 79 for (int i = 0; i < deopt_data->DeoptCount(); i++) { | 82 for (int i = 0; i < deopt_data->DeoptCount(); i++) { |
| 80 if (deopt_data->Pc(i)->value() == -1) continue; | 83 if (deopt_data->Pc(i)->value() == -1) continue; |
| 81 Address call_address = code_start_address + deopt_data->Pc(i)->value(); | 84 Address call_address = code_start_address + deopt_data->Pc(i)->value(); |
| 82 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); | 85 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); |
| 83 int call_size_in_bytes = MacroAssembler::CallSize(deopt_entry, | 86 int call_size_in_bytes = MacroAssembler::CallSize(deopt_entry, |
| 84 RelocInfo::NONE32); | 87 RelocInfo::NONE32); |
| 85 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; | 88 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; |
| 86 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); | 89 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); |
| 87 ASSERT(call_size_in_bytes <= patch_size()); | 90 ASSERT(call_size_in_bytes <= patch_size()); |
| 88 CodePatcher patcher(call_address, call_size_in_words); | 91 CodePatcher patcher(call_address, call_size_in_words); |
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| 388 | 391 |
| 389 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) { | 392 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) { |
| 390 SetFrameSlot(offset, value); | 393 SetFrameSlot(offset, value); |
| 391 } | 394 } |
| 392 | 395 |
| 393 | 396 |
| 394 #undef __ | 397 #undef __ |
| 395 | 398 |
| 396 | 399 |
| 397 } } // namespace v8::internal | 400 } } // namespace v8::internal |
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