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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 // 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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62 class ExitFrameConstants : public AllStatic { | 62 class ExitFrameConstants : public AllStatic { |
63 public: | 63 public: |
64 static const int kFrameSize = 2 * kPointerSize; | 64 static const int kFrameSize = 2 * kPointerSize; |
65 | 65 |
66 static const int kCallerSPDisplacement = 2 * kPointerSize; | 66 static const int kCallerSPDisplacement = 2 * kPointerSize; |
67 static const int kCallerPCOffset = 1 * kPointerSize; | 67 static const int kCallerPCOffset = 1 * kPointerSize; |
68 static const int kCallerFPOffset = 0 * kPointerSize; // <- fp | 68 static const int kCallerFPOffset = 0 * kPointerSize; // <- fp |
69 static const int kSPOffset = -1 * kPointerSize; | 69 static const int kSPOffset = -1 * kPointerSize; |
70 static const int kCodeOffset = -2 * kPointerSize; | 70 static const int kCodeOffset = -2 * kPointerSize; |
71 static const int kLastExitFrameField = kCodeOffset; | 71 static const int kLastExitFrameField = kCodeOffset; |
72 | |
73 static const int kConstantPoolOffset = 0; // Not used | |
74 }; | 72 }; |
75 | 73 |
76 | 74 |
77 class JavaScriptFrameConstants : public AllStatic { | 75 class JavaScriptFrameConstants : public AllStatic { |
78 public: | 76 public: |
79 // FP-relative. | 77 // FP-relative. |
80 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; | 78 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; |
81 | 79 |
82 // There are two words on the stack (saved fp and saved lr) between fp and | 80 // There are two words on the stack (saved fp and saved lr) between fp and |
83 // the arguments. | 81 // the arguments. |
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124 | 122 |
125 | 123 |
126 inline void StackHandler::SetFp(Address slot, Address fp) { | 124 inline void StackHandler::SetFp(Address slot, Address fp) { |
127 Memory::Address_at(slot) = fp; | 125 Memory::Address_at(slot) = fp; |
128 } | 126 } |
129 | 127 |
130 | 128 |
131 } } // namespace v8::internal | 129 } } // namespace v8::internal |
132 | 130 |
133 #endif // V8_A64_FRAMES_A64_H_ | 131 #endif // V8_A64_FRAMES_A64_H_ |
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