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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/deoptimizer.h" | 5 #include "src/deoptimizer.h" |
| 6 | 6 |
| 7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
| 8 #include "src/ast/prettyprinter.h" | 8 #include "src/ast/prettyprinter.h" |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/disasm.h" | 10 #include "src/disasm.h" |
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| 2753 return deopt_messages_[deopt_reason]; | 2753 return deopt_messages_[deopt_reason]; |
| 2754 } | 2754 } |
| 2755 | 2755 |
| 2756 | 2756 |
| 2757 Deoptimizer::DeoptInfo Deoptimizer::GetDeoptInfo(Code* code, Address pc) { | 2757 Deoptimizer::DeoptInfo Deoptimizer::GetDeoptInfo(Code* code, Address pc) { |
| 2758 SourcePosition last_position = SourcePosition::Unknown(); | 2758 SourcePosition last_position = SourcePosition::Unknown(); |
| 2759 Deoptimizer::DeoptReason last_reason = Deoptimizer::kNoReason; | 2759 Deoptimizer::DeoptReason last_reason = Deoptimizer::kNoReason; |
| 2760 int last_deopt_id = Deoptimizer::DeoptInfo::kNoDeoptId; | 2760 int last_deopt_id = Deoptimizer::DeoptInfo::kNoDeoptId; |
| 2761 int mask = RelocInfo::ModeMask(RelocInfo::DEOPT_REASON) | | 2761 int mask = RelocInfo::ModeMask(RelocInfo::DEOPT_REASON) | |
| 2762 RelocInfo::ModeMask(RelocInfo::DEOPT_ID) | | 2762 RelocInfo::ModeMask(RelocInfo::DEOPT_ID) | |
| 2763 RelocInfo::ModeMask(RelocInfo::POSITION); | 2763 RelocInfo::ModeMask(RelocInfo::DEOPT_POSITION); |
| 2764 for (RelocIterator it(code, mask); !it.done(); it.next()) { | 2764 for (RelocIterator it(code, mask); !it.done(); it.next()) { |
| 2765 RelocInfo* info = it.rinfo(); | 2765 RelocInfo* info = it.rinfo(); |
| 2766 if (info->pc() >= pc) { | 2766 if (info->pc() >= pc) { |
| 2767 return DeoptInfo(last_position, last_reason, last_deopt_id); | 2767 return DeoptInfo(last_position, last_reason, last_deopt_id); |
| 2768 } | 2768 } |
| 2769 if (info->rmode() == RelocInfo::POSITION) { | 2769 if (info->rmode() == RelocInfo::DEOPT_POSITION) { |
| 2770 int raw_position = static_cast<int>(info->data()); | 2770 int raw_position = static_cast<int>(info->data()); |
| 2771 last_position = raw_position ? SourcePosition::FromRaw(raw_position) | 2771 last_position = raw_position ? SourcePosition::FromRaw(raw_position) |
| 2772 : SourcePosition::Unknown(); | 2772 : SourcePosition::Unknown(); |
| 2773 } else if (info->rmode() == RelocInfo::DEOPT_ID) { | 2773 } else if (info->rmode() == RelocInfo::DEOPT_ID) { |
| 2774 last_deopt_id = static_cast<int>(info->data()); | 2774 last_deopt_id = static_cast<int>(info->data()); |
| 2775 } else if (info->rmode() == RelocInfo::DEOPT_REASON) { | 2775 } else if (info->rmode() == RelocInfo::DEOPT_REASON) { |
| 2776 last_reason = static_cast<Deoptimizer::DeoptReason>(info->data()); | 2776 last_reason = static_cast<Deoptimizer::DeoptReason>(info->data()); |
| 2777 } | 2777 } |
| 2778 } | 2778 } |
| 2779 return DeoptInfo(SourcePosition::Unknown(), Deoptimizer::kNoReason, -1); | 2779 return DeoptInfo(SourcePosition::Unknown(), Deoptimizer::kNoReason, -1); |
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| 4021 CHECK(value_info->IsMaterializedObject()); | 4021 CHECK(value_info->IsMaterializedObject()); |
| 4022 | 4022 |
| 4023 value_info->value_ = | 4023 value_info->value_ = |
| 4024 Handle<Object>(previously_materialized_objects->get(i), isolate_); | 4024 Handle<Object>(previously_materialized_objects->get(i), isolate_); |
| 4025 } | 4025 } |
| 4026 } | 4026 } |
| 4027 } | 4027 } |
| 4028 | 4028 |
| 4029 } // namespace internal | 4029 } // namespace internal |
| 4030 } // namespace v8 | 4030 } // namespace v8 |
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