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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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69 | 69 |
70 static const int kFunctionArgOffset = +3 * kPointerSize; | 70 static const int kFunctionArgOffset = +3 * kPointerSize; |
71 static const int kReceiverArgOffset = +4 * kPointerSize; | 71 static const int kReceiverArgOffset = +4 * kPointerSize; |
72 static const int kArgcOffset = +5 * kPointerSize; | 72 static const int kArgcOffset = +5 * kPointerSize; |
73 static const int kArgvOffset = +6 * kPointerSize; | 73 static const int kArgvOffset = +6 * kPointerSize; |
74 }; | 74 }; |
75 | 75 |
76 | 76 |
77 class ExitFrameConstants : public AllStatic { | 77 class ExitFrameConstants : public AllStatic { |
78 public: | 78 public: |
79 static const int kDebugMarkOffset = -2 * kPointerSize; | 79 static const int kCodeOffset = -2 * kPointerSize; |
80 static const int kSPOffset = -1 * kPointerSize; | 80 static const int kSPOffset = -1 * kPointerSize; |
81 | 81 |
82 static const int kCallerFPOffset = 0 * kPointerSize; | 82 static const int kCallerFPOffset = 0 * kPointerSize; |
83 static const int kCallerPCOffset = +1 * kPointerSize; | 83 static const int kCallerPCOffset = +1 * kPointerSize; |
84 | 84 |
85 // FP-relative displacement of the caller's SP. It points just | 85 // FP-relative displacement of the caller's SP. It points just |
86 // below the saved PC. | 86 // below the saved PC. |
87 static const int kCallerSPDisplacement = +2 * kPointerSize; | 87 static const int kCallerSPDisplacement = +2 * kPointerSize; |
88 }; | 88 }; |
89 | 89 |
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126 | 126 |
127 inline Object* JavaScriptFrame::function_slot_object() const { | 127 inline Object* JavaScriptFrame::function_slot_object() const { |
128 const int offset = JavaScriptFrameConstants::kFunctionOffset; | 128 const int offset = JavaScriptFrameConstants::kFunctionOffset; |
129 return Memory::Object_at(fp() + offset); | 129 return Memory::Object_at(fp() + offset); |
130 } | 130 } |
131 | 131 |
132 | 132 |
133 } } // namespace v8::internal | 133 } } // namespace v8::internal |
134 | 134 |
135 #endif // V8_IA32_FRAMES_IA32_H_ | 135 #endif // V8_IA32_FRAMES_IA32_H_ |
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