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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 // 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 "v8.h" | 5 #include "v8.h" |
| 6 | 6 |
| 7 #include "codegen.h" | 7 #include "codegen.h" |
| 8 #include "deoptimizer.h" | 8 #include "deoptimizer.h" |
| 9 #include "full-codegen.h" | 9 #include "full-codegen.h" |
| 10 #include "safepoint-table.h" | 10 #include "safepoint-table.h" |
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| 57 #endif | 57 #endif |
| 58 // For each LLazyBailout instruction insert a call to the corresponding | 58 // For each LLazyBailout instruction insert a call to the corresponding |
| 59 // deoptimization entry. | 59 // deoptimization entry. |
| 60 for (int i = 0; i < deopt_data->DeoptCount(); i++) { | 60 for (int i = 0; i < deopt_data->DeoptCount(); i++) { |
| 61 if (deopt_data->Pc(i)->value() == -1) continue; | 61 if (deopt_data->Pc(i)->value() == -1) continue; |
| 62 Address call_address = code_start_address + deopt_data->Pc(i)->value(); | 62 Address call_address = code_start_address + deopt_data->Pc(i)->value(); |
| 63 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); | 63 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); |
| 64 // We need calls to have a predictable size in the unoptimized code, but | 64 // We need calls to have a predictable size in the unoptimized code, but |
| 65 // this is optimized code, so we don't have to have a predictable size. | 65 // this is optimized code, so we don't have to have a predictable size. |
| 66 int call_size_in_bytes = | 66 int call_size_in_bytes = |
| 67 MacroAssembler::CallSizeNotPredictableCodeSize(deopt_entry, | 67 MacroAssembler::CallSizeNotPredictableCodeSize(isolate, |
| 68 deopt_entry, |
| 68 RelocInfo::NONE32); | 69 RelocInfo::NONE32); |
| 69 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; | 70 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; |
| 70 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); | 71 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); |
| 71 ASSERT(call_size_in_bytes <= patch_size()); | 72 ASSERT(call_size_in_bytes <= patch_size()); |
| 72 CodePatcher patcher(call_address, call_size_in_words); | 73 CodePatcher patcher(call_address, call_size_in_words); |
| 73 patcher.masm()->Call(deopt_entry, RelocInfo::NONE32); | 74 patcher.masm()->Call(deopt_entry, RelocInfo::NONE32); |
| 74 ASSERT(prev_call_address == NULL || | 75 ASSERT(prev_call_address == NULL || |
| 75 call_address >= prev_call_address + patch_size()); | 76 call_address >= prev_call_address + patch_size()); |
| 76 ASSERT(call_address + patch_size() <= code->instruction_end()); | 77 ASSERT(call_address + patch_size() <= code->instruction_end()); |
| 77 #ifdef DEBUG | 78 #ifdef DEBUG |
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| 352 | 353 |
| 353 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { | 354 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { |
| 354 ASSERT(FLAG_enable_ool_constant_pool); | 355 ASSERT(FLAG_enable_ool_constant_pool); |
| 355 SetFrameSlot(offset, value); | 356 SetFrameSlot(offset, value); |
| 356 } | 357 } |
| 357 | 358 |
| 358 | 359 |
| 359 #undef __ | 360 #undef __ |
| 360 | 361 |
| 361 } } // namespace v8::internal | 362 } } // namespace v8::internal |
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