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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. |
| (...skipping 18 matching lines...) Expand all Loading... |
| 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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