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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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56 | 56 |
57 class EntryFrameConstants : public AllStatic { | 57 class EntryFrameConstants : public AllStatic { |
58 public: | 58 public: |
59 static const int kCallerFPOffset = -10 * kPointerSize; | 59 static const int kCallerFPOffset = -10 * kPointerSize; |
60 static const int kArgvOffset = 6 * kPointerSize; | 60 static const int kArgvOffset = 6 * kPointerSize; |
61 }; | 61 }; |
62 | 62 |
63 | 63 |
64 class ExitFrameConstants : public AllStatic { | 64 class ExitFrameConstants : public AllStatic { |
65 public: | 65 public: |
66 static const int kDebugMarkOffset = -2 * kPointerSize; | 66 static const int kCodeOffset = -2 * kPointerSize; |
67 static const int kSPOffset = -1 * kPointerSize; | 67 static const int kSPOffset = -1 * kPointerSize; |
68 | 68 |
69 static const int kCallerFPOffset = +0 * kPointerSize; | 69 static const int kCallerFPOffset = +0 * kPointerSize; |
70 static const int kCallerPCOffset = +1 * kPointerSize; | 70 static const int kCallerPCOffset = +1 * kPointerSize; |
71 | 71 |
72 // FP-relative displacement of the caller's SP. It points just | 72 // FP-relative displacement of the caller's SP. It points just |
73 // below the saved PC. | 73 // below the saved PC. |
74 static const int kCallerSPDisplacement = +2 * kPointerSize; | 74 static const int kCallerSPDisplacement = +2 * kPointerSize; |
75 }; | 75 }; |
76 | 76 |
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112 | 112 |
113 | 113 |
114 inline Object* JavaScriptFrame::function_slot_object() const { | 114 inline Object* JavaScriptFrame::function_slot_object() const { |
115 const int offset = JavaScriptFrameConstants::kFunctionOffset; | 115 const int offset = JavaScriptFrameConstants::kFunctionOffset; |
116 return Memory::Object_at(fp() + offset); | 116 return Memory::Object_at(fp() + offset); |
117 } | 117 } |
118 | 118 |
119 } } // namespace v8::internal | 119 } } // namespace v8::internal |
120 | 120 |
121 #endif // V8_X64_FRAMES_X64_H_ | 121 #endif // V8_X64_FRAMES_X64_H_ |
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