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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 "src/frames.h" | 5 #include "src/frames.h" |
6 | 6 |
7 #include <sstream> | 7 #include <sstream> |
8 | 8 |
9 #include "src/ast/ast.h" | 9 #include "src/ast/ast.h" |
10 #include "src/ast/scopeinfo.h" | 10 #include "src/ast/scopeinfo.h" |
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937 | 937 |
938 | 938 |
939 void JavaScriptFrame::SaveOperandStack(FixedArray* store) const { | 939 void JavaScriptFrame::SaveOperandStack(FixedArray* store) const { |
940 int operands_count = store->length(); | 940 int operands_count = store->length(); |
941 DCHECK_LE(operands_count, ComputeOperandsCount()); | 941 DCHECK_LE(operands_count, ComputeOperandsCount()); |
942 for (int i = 0; i < operands_count; i++) { | 942 for (int i = 0; i < operands_count; i++) { |
943 store->set(i, GetOperand(i)); | 943 store->set(i, GetOperand(i)); |
944 } | 944 } |
945 } | 945 } |
946 | 946 |
947 | |
948 void JavaScriptFrame::RestoreOperandStack(FixedArray* store) { | |
949 int operands_count = store->length(); | |
950 DCHECK_LE(operands_count, ComputeOperandsCount()); | |
951 for (int i = 0; i < operands_count; i++) { | |
952 DCHECK_EQ(GetOperand(i), isolate()->heap()->the_hole_value()); | |
953 Memory::Object_at(GetOperandSlot(i)) = store->get(i); | |
954 } | |
955 } | |
956 | |
957 namespace { | 947 namespace { |
958 | 948 |
959 bool CannotDeoptFromAsmCode(Code* code, JSFunction* function) { | 949 bool CannotDeoptFromAsmCode(Code* code, JSFunction* function) { |
960 return code->is_turbofanned() && function->shared()->asm_function() && | 950 return code->is_turbofanned() && function->shared()->asm_function() && |
961 !FLAG_turbo_asm_deoptimization; | 951 !FLAG_turbo_asm_deoptimization; |
962 } | 952 } |
963 | 953 |
964 } // namespace | 954 } // namespace |
965 | 955 |
966 FrameSummary::FrameSummary(Object* receiver, JSFunction* function, | 956 FrameSummary::FrameSummary(Object* receiver, JSFunction* function, |
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1738 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { | 1728 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { |
1739 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); | 1729 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); |
1740 list.Add(frame, zone); | 1730 list.Add(frame, zone); |
1741 } | 1731 } |
1742 return list.ToVector(); | 1732 return list.ToVector(); |
1743 } | 1733 } |
1744 | 1734 |
1745 | 1735 |
1746 } // namespace internal | 1736 } // namespace internal |
1747 } // namespace v8 | 1737 } // namespace v8 |
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