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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 63 | 63 |
| 64 DeoptimizationInputData* data = | 64 DeoptimizationInputData* data = |
| 65 DeoptimizationInputData::cast(code->deoptimization_data()); | 65 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 66 int osr_offset = data->OsrPcOffset()->value(); | 66 int osr_offset = data->OsrPcOffset()->value(); |
| 67 if (osr_offset > 0) { | 67 if (osr_offset > 0) { |
| 68 CodePatcher osr_patcher(code->instruction_start() + osr_offset, 1); | 68 CodePatcher osr_patcher(code->instruction_start() + osr_offset, 1); |
| 69 osr_patcher.masm()->bkpt(0); | 69 osr_patcher.masm()->bkpt(0); |
| 70 } | 70 } |
| 71 } | 71 } |
| 72 | 72 |
| 73 // For each LLazyBailout instruction insert a call to the corresponding | |
| 74 // deoptimization entry. | |
| 75 DeoptimizationInputData* deopt_data = | 73 DeoptimizationInputData* deopt_data = |
| 76 DeoptimizationInputData::cast(code->deoptimization_data()); | 74 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 75 SharedFunctionInfo* shared = |
| 76 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo()); |
| 77 shared->EvictFromOptimizedCodeMap(code, "deoptimized code"); |
| 77 #ifdef DEBUG | 78 #ifdef DEBUG |
| 78 Address prev_call_address = NULL; | 79 Address prev_call_address = NULL; |
| 79 #endif | 80 #endif |
| 81 // For each LLazyBailout instruction insert a call to the corresponding |
| 82 // deoptimization entry. |
| 80 for (int i = 0; i < deopt_data->DeoptCount(); i++) { | 83 for (int i = 0; i < deopt_data->DeoptCount(); i++) { |
| 81 if (deopt_data->Pc(i)->value() == -1) continue; | 84 if (deopt_data->Pc(i)->value() == -1) continue; |
| 82 Address call_address = code_start_address + deopt_data->Pc(i)->value(); | 85 Address call_address = code_start_address + deopt_data->Pc(i)->value(); |
| 83 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); | 86 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); |
| 84 // We need calls to have a predictable size in the unoptimized code, but | 87 // We need calls to have a predictable size in the unoptimized code, but |
| 85 // this is optimized code, so we don't have to have a predictable size. | 88 // this is optimized code, so we don't have to have a predictable size. |
| 86 int call_size_in_bytes = | 89 int call_size_in_bytes = |
| 87 MacroAssembler::CallSizeNotPredictableCodeSize(deopt_entry, | 90 MacroAssembler::CallSizeNotPredictableCodeSize(deopt_entry, |
| 88 RelocInfo::NONE32); | 91 RelocInfo::NONE32); |
| 89 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; | 92 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; |
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| 366 | 369 |
| 367 | 370 |
| 368 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) { | 371 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) { |
| 369 SetFrameSlot(offset, value); | 372 SetFrameSlot(offset, value); |
| 370 } | 373 } |
| 371 | 374 |
| 372 | 375 |
| 373 #undef __ | 376 #undef __ |
| 374 | 377 |
| 375 } } // namespace v8::internal | 378 } } // namespace v8::internal |
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