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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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| 169 static const int kCodeOffset = | 169 static const int kCodeOffset = |
| 170 StandardFrameConstants::kExpressionsOffset - 0 * kPointerSize; | 170 StandardFrameConstants::kExpressionsOffset - 0 * kPointerSize; |
| 171 | 171 |
| 172 static const int kFrameSize = | 172 static const int kFrameSize = |
| 173 StandardFrameConstants::kFixedFrameSize + 4 * kPointerSize; | 173 StandardFrameConstants::kFixedFrameSize + 4 * kPointerSize; |
| 174 }; | 174 }; |
| 175 | 175 |
| 176 | 176 |
| 177 class InterpreterFrameConstants : public AllStatic { | 177 class InterpreterFrameConstants : public AllStatic { |
| 178 public: | 178 public: |
| 179 // Fixed frame includes new.target and bytecode offset. |
| 180 static const int kFixedFrameSize = |
| 181 StandardFrameConstants::kFixedFrameSize + 2 * kPointerSize; |
| 182 static const int kFixedFrameSizeFromFp = |
| 183 StandardFrameConstants::kFixedFrameSizeFromFp + 2 * kPointerSize; |
| 184 |
| 179 // FP-relative. | 185 // FP-relative. |
| 180 static const int kRegisterFilePointerFromFp = | 186 static const int kRegisterFilePointerFromFp = |
| 181 -StandardFrameConstants::kFixedFrameSizeFromFp - 3 * kPointerSize; | 187 -StandardFrameConstants::kFixedFrameSizeFromFp - 3 * kPointerSize; |
| 182 | 188 |
| 183 // Register file pointer relative. | 189 // Register file pointer relative. |
| 184 static const int kLastParamFromRegisterPointer = | 190 static const int kLastParamFromRegisterPointer = |
| 185 StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize; | 191 StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize; |
| 186 | 192 |
| 187 static const int kBytecodeOffsetFromRegisterPointer = 1 * kPointerSize; | 193 static const int kBytecodeOffsetFromRegisterPointer = 1 * kPointerSize; |
| 188 static const int kNewTargetFromRegisterPointer = 2 * kPointerSize; | 194 static const int kNewTargetFromRegisterPointer = 2 * kPointerSize; |
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| 959 | 965 |
| 960 | 966 |
| 961 // Reads all frames on the current stack and copies them into the current | 967 // Reads all frames on the current stack and copies them into the current |
| 962 // zone memory. | 968 // zone memory. |
| 963 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); | 969 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); |
| 964 | 970 |
| 965 } // namespace internal | 971 } // namespace internal |
| 966 } // namespace v8 | 972 } // namespace v8 |
| 967 | 973 |
| 968 #endif // V8_FRAMES_H_ | 974 #endif // V8_FRAMES_H_ |
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