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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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77 static const int kCallerPCOffset = +1 * kPointerSize; | 77 static const int kCallerPCOffset = +1 * kPointerSize; |
78 | 78 |
79 // FP-relative displacement of the caller's SP. It points just | 79 // FP-relative displacement of the caller's SP. It points just |
80 // below the saved PC. | 80 // below the saved PC. |
81 static const int kCallerSPDisplacement = +2 * kPointerSize; | 81 static const int kCallerSPDisplacement = +2 * kPointerSize; |
82 }; | 82 }; |
83 | 83 |
84 | 84 |
85 class StandardFrameConstants : public AllStatic { | 85 class StandardFrameConstants : public AllStatic { |
86 public: | 86 public: |
87 static const int kExpressionsOffset = -1 * kPointerSize; | 87 static const int kExpressionsOffset = -3 * kPointerSize; |
88 static const int kMarkerOffset = -1 * kPointerSize; | 88 static const int kMarkerOffset = -2 * kPointerSize; |
89 static const int kContextOffset = -1 * kPointerSize; | 89 static const int kContextOffset = -1 * kPointerSize; |
90 static const int kCallerFPOffset = -1 * kPointerSize; | 90 static const int kCallerFPOffset = 0 * kPointerSize; |
91 static const int kCallerPCOffset = -1 * kPointerSize; | 91 static const int kCallerPCOffset = +1 * kPointerSize; |
92 static const int kCallerSPOffset = -1 * kPointerSize; | 92 static const int kCallerSPOffset = +2 * kPointerSize; |
93 }; | 93 }; |
94 | 94 |
95 | 95 |
96 class JavaScriptFrameConstants : public AllStatic { | 96 class JavaScriptFrameConstants : public AllStatic { |
97 public: | 97 public: |
98 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; | 98 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; |
99 static const int kSavedRegistersOffset = -1 * kPointerSize; | 99 static const int kSavedRegistersOffset = +2 * kPointerSize; |
100 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset; | 100 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset; |
101 | 101 |
102 static const int kParam0Offset = -1 * kPointerSize; | 102 static const int kParam0Offset = -2 * kPointerSize; |
103 static const int kReceiverOffset = -1 * kPointerSize; | 103 static const int kReceiverOffset = -1 * kPointerSize; |
104 }; | 104 }; |
105 | 105 |
106 | 106 |
107 class ArgumentsAdaptorFrameConstants : public AllStatic { | 107 class ArgumentsAdaptorFrameConstants : public AllStatic { |
108 public: | 108 public: |
109 static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset; | 109 static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset; |
110 }; | 110 }; |
111 | 111 |
112 | 112 |
113 class InternalFrameConstants : public AllStatic { | 113 class InternalFrameConstants : public AllStatic { |
114 public: | 114 public: |
115 static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset; | 115 static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset; |
116 }; | 116 }; |
117 | 117 |
118 | 118 |
119 inline Object* JavaScriptFrame::function_slot_object() const { | 119 inline Object* JavaScriptFrame::function_slot_object() const { |
120 const int offset = JavaScriptFrameConstants::kFunctionOffset; | 120 const int offset = JavaScriptFrameConstants::kFunctionOffset; |
121 return Memory::Object_at(fp() + offset); | 121 return Memory::Object_at(fp() + offset); |
122 } | 122 } |
123 | 123 |
124 } } // namespace v8::internal | 124 } } // namespace v8::internal |
125 | 125 |
126 #endif // V8_X64_FRAMES_X64_H_ | 126 #endif // V8_X64_FRAMES_X64_H_ |
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