src/ia32/frames-ia32.h - Issue 8540005: Revert "Add a level of indirection to exception handler addresses."

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Issue 8540005: Revert "Add a level of indirection to exception handler addresses." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 1 month ago

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1 // Copyright 2011 the V8 project authors. All rights reserved.	1 // Copyright 2011 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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52	52

53 // Number of registers for which space is reserved in safepoints.	53 // Number of registers for which space is reserved in safepoints.

54 static const int kNumSafepointRegisters = 8;	54 static const int kNumSafepointRegisters = 8;

55	55

56 // ----------------------------------------------------	56 // ----------------------------------------------------

57	57

58	58

59 class StackHandlerConstants : public AllStatic {	59 class StackHandlerConstants : public AllStatic {

60 public:	60 public:

61 static const int kNextOffset = 0 * kPointerSize;	61 static const int kNextOffset = 0 * kPointerSize;

62 static const int kCodeOffset = 1 * kPointerSize;	62 static const int kContextOffset = 1 * kPointerSize;

63 static const int kStateOffset = 2 * kPointerSize;	63 static const int kFPOffset = 2 * kPointerSize;

64 static const int kContextOffset = 3 * kPointerSize;	64 static const int kStateOffset = 3 * kPointerSize;

65 static const int kFPOffset = 4 * kPointerSize;	65 static const int kPCOffset = 4 * kPointerSize;

66	66

67 static const int kSize = kFPOffset + kPointerSize;	67 static const int kSize = kPCOffset + kPointerSize;

68 };	68 };

69	69

70	70

71 class EntryFrameConstants : public AllStatic {	71 class EntryFrameConstants : public AllStatic {

72 public:	72 public:

73 static const int kCallerFPOffset = -6 * kPointerSize;	73 static const int kCallerFPOffset = -6 * kPointerSize;

74	74

75 static const int kFunctionArgOffset = +3 * kPointerSize;	75 static const int kFunctionArgOffset = +3 * kPointerSize;

76 static const int kReceiverArgOffset = +4 * kPointerSize;	76 static const int kReceiverArgOffset = +4 * kPointerSize;

77 static const int kArgcOffset = +5 * kPointerSize;	77 static const int kArgcOffset = +5 * kPointerSize;

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134	134

135 inline Object* JavaScriptFrame::function_slot_object() const {	135 inline Object* JavaScriptFrame::function_slot_object() const {

136 const int offset = JavaScriptFrameConstants::kFunctionOffset;	136 const int offset = JavaScriptFrameConstants::kFunctionOffset;

137 return Memory::Object_at(fp() + offset);	137 return Memory::Object_at(fp() + offset);

138 }	138 }

139	139

140	140

141 } } // namespace v8::internal	141 } } // namespace v8::internal

142	142

143 #endif // V8_IA32_FRAMES_IA32_H_	143 #endif // V8_IA32_FRAMES_IA32_H_

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