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Issue 6759025: Version 3.2.6 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 9 years, 8 months ago
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1 // Copyright 2010 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
11 // with the distribution. 11 // with the distribution.
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30 30
31 #if defined(V8_TARGET_ARCH_MIPS) 31 #if defined(V8_TARGET_ARCH_MIPS)
32 32
33 #include "frames-inl.h" 33 #include "frames-inl.h"
34 #include "mips/assembler-mips-inl.h" 34 #include "mips/assembler-mips-inl.h"
35 35
36 namespace v8 { 36 namespace v8 {
37 namespace internal { 37 namespace internal {
38 38
39 39
40 StackFrame::Type StackFrame::ComputeType(State* state) { 40 Address ExitFrame::ComputeStackPointer(Address fp) {
41 ASSERT(state->fp != NULL); 41 UNIMPLEMENTED_MIPS();
42 if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) { 42 return fp;
43 return ARGUMENTS_ADAPTOR;
44 }
45 // The marker and function offsets overlap. If the marker isn't a
46 // smi then the frame is a JavaScript frame -- and the marker is
47 // really the function.
48 const int offset = StandardFrameConstants::kMarkerOffset;
49 Object* marker = Memory::Object_at(state->fp + offset);
50 if (!marker->IsSmi()) return JAVA_SCRIPT;
51 return static_cast<StackFrame::Type>(Smi::cast(marker)->value());
52 } 43 }
53 44
54 45
55 Address ExitFrame::ComputeStackPointer(Address fp) {
56 Address sp = fp + ExitFrameConstants::kSPDisplacement;
57 const int offset = ExitFrameConstants::kCodeOffset;
58 Object* code = Memory::Object_at(fp + offset);
59 bool is_debug_exit = code->IsSmi();
60 if (is_debug_exit) {
61 sp -= kNumJSCallerSaved * kPointerSize;
62 }
63 return sp;
64 }
65
66
67 void ExitFrame::Iterate(ObjectVisitor* v) const {
68 // Do nothing
69 }
70
71
72 int JavaScriptFrame::GetProvidedParametersCount() const {
73 return ComputeParametersCount();
74 }
75
76
77 Address JavaScriptFrame::GetCallerStackPointer() const {
78 UNIMPLEMENTED_MIPS();
79 return static_cast<Address>(NULL); // UNIMPLEMENTED RETURN
80 }
81
82
83 Address ArgumentsAdaptorFrame::GetCallerStackPointer() const {
84 UNIMPLEMENTED_MIPS();
85 return static_cast<Address>(NULL); // UNIMPLEMENTED RETURN
86 }
87
88
89 Address InternalFrame::GetCallerStackPointer() const {
90 return fp() + StandardFrameConstants::kCallerSPOffset;
91 }
92
93
94 } } // namespace v8::internal 46 } } // namespace v8::internal
95 47
96 #endif // V8_TARGET_ARCH_MIPS 48 #endif // V8_TARGET_ARCH_MIPS
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