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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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| 68 // For each LLazyBailout instruction insert a call to the corresponding | 68 // For each LLazyBailout instruction insert a call to the corresponding |
| 69 // deoptimization entry. | 69 // deoptimization entry. |
| 70 DeoptimizationInputData* deopt_data = | 70 DeoptimizationInputData* deopt_data = |
| 71 DeoptimizationInputData::cast(code->deoptimization_data()); | 71 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 72 #ifdef DEBUG | 72 #ifdef DEBUG |
| 73 Address prev_call_address = NULL; | 73 Address prev_call_address = NULL; |
| 74 #endif | 74 #endif |
| 75 for (int i = 0; i < deopt_data->DeoptCount(); i++) { | 75 for (int i = 0; i < deopt_data->DeoptCount(); i++) { |
| 76 if (deopt_data->Pc(i)->value() == -1) continue; | 76 if (deopt_data->Pc(i)->value() == -1) continue; |
| 77 Address call_address = code_start_address + deopt_data->Pc(i)->value(); | 77 Address call_address = code_start_address + deopt_data->Pc(i)->value(); |
| 78 Address deopt_entry = GetDeoptimizationEntry(i, LAZY); | 78 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY); |
| 79 // We need calls to have a predictable size in the unoptimized code, but | 79 // We need calls to have a predictable size in the unoptimized code, but |
| 80 // this is optimized code, so we don't have to have a predictable size. | 80 // this is optimized code, so we don't have to have a predictable size. |
| 81 int call_size_in_bytes = | 81 int call_size_in_bytes = |
| 82 MacroAssembler::CallSizeNotPredictableCodeSize(deopt_entry, | 82 MacroAssembler::CallSizeNotPredictableCodeSize(deopt_entry, |
| 83 RelocInfo::NONE32); | 83 RelocInfo::NONE32); |
| 84 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; | 84 int call_size_in_words = call_size_in_bytes / Assembler::kInstrSize; |
| 85 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); | 85 ASSERT(call_size_in_bytes % Assembler::kInstrSize == 0); |
| 86 ASSERT(call_size_in_bytes <= patch_size()); | 86 ASSERT(call_size_in_bytes <= patch_size()); |
| 87 CodePatcher patcher(call_address, call_size_in_words); | 87 CodePatcher patcher(call_address, call_size_in_words); |
| 88 patcher.masm()->Call(deopt_entry, RelocInfo::NONE32); | 88 patcher.masm()->Call(deopt_entry, RelocInfo::NONE32); |
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| 1311 __ push(ip); | 1311 __ push(ip); |
| 1312 __ b(&done); | 1312 __ b(&done); |
| 1313 ASSERT(masm()->pc_offset() - start == table_entry_size_); | 1313 ASSERT(masm()->pc_offset() - start == table_entry_size_); |
| 1314 } | 1314 } |
| 1315 __ bind(&done); | 1315 __ bind(&done); |
| 1316 } | 1316 } |
| 1317 | 1317 |
| 1318 #undef __ | 1318 #undef __ |
| 1319 | 1319 |
| 1320 } } // namespace v8::internal | 1320 } } // namespace v8::internal |
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