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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 // 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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41 | 41 |
42 const int kNumJSCallerSaved = 5; | 42 const int kNumJSCallerSaved = 5; |
43 | 43 |
44 typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved]; | 44 typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved]; |
45 | 45 |
46 // Number of registers for which space is reserved in safepoints. | 46 // Number of registers for which space is reserved in safepoints. |
47 const int kNumSafepointRegisters = 16; | 47 const int kNumSafepointRegisters = 16; |
48 | 48 |
49 // ---------------------------------------------------- | 49 // ---------------------------------------------------- |
50 | 50 |
51 class StackHandlerConstants : public AllStatic { | |
52 public: | |
53 static const int kNextOffset = 0 * kPointerSize; | |
54 static const int kCodeOffset = 1 * kPointerSize; | |
55 static const int kStateOffset = 2 * kPointerSize; | |
56 static const int kContextOffset = 3 * kPointerSize; | |
57 static const int kFPOffset = 4 * kPointerSize; | |
58 | |
59 static const int kSize = kFPOffset + kPointerSize; | |
60 }; | |
61 | |
62 | |
63 class EntryFrameConstants : public AllStatic { | 51 class EntryFrameConstants : public AllStatic { |
64 public: | 52 public: |
65 #ifdef _WIN64 | 53 #ifdef _WIN64 |
66 static const int kCallerFPOffset = -10 * kPointerSize; | 54 static const int kCallerFPOffset = -10 * kPointerSize; |
67 #else | 55 #else |
68 static const int kCallerFPOffset = -8 * kPointerSize; | 56 static const int kCallerFPOffset = -8 * kPointerSize; |
69 #endif | 57 #endif |
70 static const int kArgvOffset = 6 * kPointerSize; | 58 static const int kArgvOffset = 6 * kPointerSize; |
71 }; | 59 }; |
72 | 60 |
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129 | 117 |
130 | 118 |
131 inline Object* JavaScriptFrame::function_slot_object() const { | 119 inline Object* JavaScriptFrame::function_slot_object() const { |
132 const int offset = JavaScriptFrameConstants::kFunctionOffset; | 120 const int offset = JavaScriptFrameConstants::kFunctionOffset; |
133 return Memory::Object_at(fp() + offset); | 121 return Memory::Object_at(fp() + offset); |
134 } | 122 } |
135 | 123 |
136 } } // namespace v8::internal | 124 } } // namespace v8::internal |
137 | 125 |
138 #endif // V8_X64_FRAMES_X64_H_ | 126 #endif // V8_X64_FRAMES_X64_H_ |
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