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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 #ifndef V8_FRAMES_H_ | 5 #ifndef V8_FRAMES_H_ |
6 #define V8_FRAMES_H_ | 6 #define V8_FRAMES_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/handles.h" | 9 #include "src/handles.h" |
10 #include "src/safepoint-table.h" | 10 #include "src/safepoint-table.h" |
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127 static const int kContextOffset = -1 * kPointerSize - kCPSlotSize; | 127 static const int kContextOffset = -1 * kPointerSize - kCPSlotSize; |
128 static const int kConstantPoolOffset = kCPSlotSize ? -1 * kPointerSize : 0; | 128 static const int kConstantPoolOffset = kCPSlotSize ? -1 * kPointerSize : 0; |
129 static const int kCallerFPOffset = 0 * kPointerSize; | 129 static const int kCallerFPOffset = 0 * kPointerSize; |
130 static const int kCallerPCOffset = +1 * kFPOnStackSize; | 130 static const int kCallerPCOffset = +1 * kFPOnStackSize; |
131 static const int kCallerSPOffset = kCallerPCOffset + 1 * kPCOnStackSize; | 131 static const int kCallerSPOffset = kCallerPCOffset + 1 * kPCOnStackSize; |
132 | 132 |
133 static const int kLastObjectOffset = kContextOffset; | 133 static const int kLastObjectOffset = kContextOffset; |
134 }; | 134 }; |
135 | 135 |
136 | 136 |
| 137 class ArgumentsAdaptorFrameConstants : public AllStatic { |
| 138 public: |
| 139 // FP-relative. |
| 140 static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset; |
| 141 |
| 142 static const int kFrameSize = |
| 143 StandardFrameConstants::kFixedFrameSize + kPointerSize; |
| 144 }; |
| 145 |
| 146 |
| 147 class InternalFrameConstants : public AllStatic { |
| 148 public: |
| 149 // FP-relative. |
| 150 static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset; |
| 151 }; |
| 152 |
| 153 |
| 154 class ConstructFrameConstants : public AllStatic { |
| 155 public: |
| 156 // FP-relative. |
| 157 static const int kImplicitReceiverOffset = |
| 158 StandardFrameConstants::kExpressionsOffset - 2 * kPointerSize; |
| 159 static const int kOriginalConstructorOffset = |
| 160 StandardFrameConstants::kExpressionsOffset - 2 * kPointerSize; |
| 161 static const int kLengthOffset = |
| 162 StandardFrameConstants::kExpressionsOffset - 1 * kPointerSize; |
| 163 static const int kCodeOffset = |
| 164 StandardFrameConstants::kExpressionsOffset - 0 * kPointerSize; |
| 165 |
| 166 static const int kFrameSize = |
| 167 StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize; |
| 168 }; |
| 169 |
| 170 |
137 // Abstract base class for all stack frames. | 171 // Abstract base class for all stack frames. |
138 class StackFrame BASE_EMBEDDED { | 172 class StackFrame BASE_EMBEDDED { |
139 public: | 173 public: |
140 #define DECLARE_TYPE(type, ignore) type, | 174 #define DECLARE_TYPE(type, ignore) type, |
141 enum Type { | 175 enum Type { |
142 NONE = 0, | 176 NONE = 0, |
143 STACK_FRAME_TYPE_LIST(DECLARE_TYPE) | 177 STACK_FRAME_TYPE_LIST(DECLARE_TYPE) |
144 NUMBER_OF_TYPES, | 178 NUMBER_OF_TYPES, |
145 // Used by FrameScope to indicate that the stack frame is constructed | 179 // Used by FrameScope to indicate that the stack frame is constructed |
146 // manually and the FrameScope does not need to emit code. | 180 // manually and the FrameScope does not need to emit code. |
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896 }; | 930 }; |
897 | 931 |
898 | 932 |
899 // Reads all frames on the current stack and copies them into the current | 933 // Reads all frames on the current stack and copies them into the current |
900 // zone memory. | 934 // zone memory. |
901 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); | 935 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); |
902 | 936 |
903 } } // namespace v8::internal | 937 } } // namespace v8::internal |
904 | 938 |
905 #endif // V8_FRAMES_H_ | 939 #endif // V8_FRAMES_H_ |
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