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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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