| OLD | NEW |
| 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 |
| (...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 58 | 58 |
| 59 | 59 |
| 60 class V8NameConverter: public disasm::NameConverter { | 60 class V8NameConverter: public disasm::NameConverter { |
| 61 public: | 61 public: |
| 62 explicit V8NameConverter(Code* code) : code_(code) {} | 62 explicit V8NameConverter(Code* code) : code_(code) {} |
| 63 virtual const char* NameOfAddress(byte* pc) const; | 63 virtual const char* NameOfAddress(byte* pc) const; |
| 64 virtual const char* NameInCode(byte* addr) const; | 64 virtual const char* NameInCode(byte* addr) const; |
| 65 Code* code() const { return code_; } | 65 Code* code() const { return code_; } |
| 66 private: | 66 private: |
| 67 Code* code_; | 67 Code* code_; |
| 68 |
| 69 EmbeddedVector<char, 128> v8_buffer_; |
| 68 }; | 70 }; |
| 69 | 71 |
| 70 | 72 |
| 71 const char* V8NameConverter::NameOfAddress(byte* pc) const { | 73 const char* V8NameConverter::NameOfAddress(byte* pc) const { |
| 72 static v8::internal::EmbeddedVector<char, 128> buffer; | 74 const char* name = Isolate::Current()->builtins()->Lookup(pc); |
| 73 | |
| 74 const char* name = Builtins::Lookup(pc); | |
| 75 if (name != NULL) { | 75 if (name != NULL) { |
| 76 OS::SNPrintF(buffer, "%s (%p)", name, pc); | 76 OS::SNPrintF(v8_buffer_, "%s (%p)", name, pc); |
| 77 return buffer.start(); | 77 return v8_buffer_.start(); |
| 78 } | 78 } |
| 79 | 79 |
| 80 if (code_ != NULL) { | 80 if (code_ != NULL) { |
| 81 int offs = static_cast<int>(pc - code_->instruction_start()); | 81 int offs = static_cast<int>(pc - code_->instruction_start()); |
| 82 // print as code offset, if it seems reasonable | 82 // print as code offset, if it seems reasonable |
| 83 if (0 <= offs && offs < code_->instruction_size()) { | 83 if (0 <= offs && offs < code_->instruction_size()) { |
| 84 OS::SNPrintF(buffer, "%d (%p)", offs, pc); | 84 OS::SNPrintF(v8_buffer_, "%d (%p)", offs, pc); |
| 85 return buffer.start(); | 85 return v8_buffer_.start(); |
| 86 } | 86 } |
| 87 } | 87 } |
| 88 | 88 |
| 89 return disasm::NameConverter::NameOfAddress(pc); | 89 return disasm::NameConverter::NameOfAddress(pc); |
| 90 } | 90 } |
| 91 | 91 |
| 92 | 92 |
| 93 const char* V8NameConverter::NameInCode(byte* addr) const { | 93 const char* V8NameConverter::NameInCode(byte* addr) const { |
| 94 // The V8NameConverter is used for well known code, so we can "safely" | 94 // The V8NameConverter is used for well known code, so we can "safely" |
| 95 // dereference pointers in generated code. | 95 // dereference pointers in generated code. |
| (...skipping 12 matching lines...) Expand all Loading... |
| 108 static const int kOutBufferSize = 2048 + String::kMaxShortPrintLength; | 108 static const int kOutBufferSize = 2048 + String::kMaxShortPrintLength; |
| 109 static const int kRelocInfoPosition = 57; | 109 static const int kRelocInfoPosition = 57; |
| 110 | 110 |
| 111 static int DecodeIt(FILE* f, | 111 static int DecodeIt(FILE* f, |
| 112 const V8NameConverter& converter, | 112 const V8NameConverter& converter, |
| 113 byte* begin, | 113 byte* begin, |
| 114 byte* end) { | 114 byte* end) { |
| 115 NoHandleAllocation ha; | 115 NoHandleAllocation ha; |
| 116 AssertNoAllocation no_alloc; | 116 AssertNoAllocation no_alloc; |
| 117 ExternalReferenceEncoder ref_encoder; | 117 ExternalReferenceEncoder ref_encoder; |
| 118 Heap* heap = HEAP; |
| 118 | 119 |
| 119 v8::internal::EmbeddedVector<char, 128> decode_buffer; | 120 v8::internal::EmbeddedVector<char, 128> decode_buffer; |
| 120 v8::internal::EmbeddedVector<char, kOutBufferSize> out_buffer; | 121 v8::internal::EmbeddedVector<char, kOutBufferSize> out_buffer; |
| 121 byte* pc = begin; | 122 byte* pc = begin; |
| 122 disasm::Disassembler d(converter); | 123 disasm::Disassembler d(converter); |
| 123 RelocIterator* it = NULL; | 124 RelocIterator* it = NULL; |
| 124 if (converter.code() != NULL) { | 125 if (converter.code() != NULL) { |
| 125 it = new RelocIterator(converter.code()); | 126 it = new RelocIterator(converter.code()); |
| 126 } else { | 127 } else { |
| 127 // No relocation information when printing code stubs. | 128 // No relocation information when printing code stubs. |
| (...skipping 121 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 249 } | 250 } |
| 250 if (code->ic_in_loop() == IN_LOOP) { | 251 if (code->ic_in_loop() == IN_LOOP) { |
| 251 out.AddFormatted(", in_loop"); | 252 out.AddFormatted(", in_loop"); |
| 252 } | 253 } |
| 253 if (kind == Code::CALL_IC || kind == Code::KEYED_CALL_IC) { | 254 if (kind == Code::CALL_IC || kind == Code::KEYED_CALL_IC) { |
| 254 out.AddFormatted(", argc = %d", code->arguments_count()); | 255 out.AddFormatted(", argc = %d", code->arguments_count()); |
| 255 } | 256 } |
| 256 } else if (kind == Code::STUB) { | 257 } else if (kind == Code::STUB) { |
| 257 // Reverse lookup required as the minor key cannot be retrieved | 258 // Reverse lookup required as the minor key cannot be retrieved |
| 258 // from the code object. | 259 // from the code object. |
| 259 Object* obj = Heap::code_stubs()->SlowReverseLookup(code); | 260 Object* obj = heap->code_stubs()->SlowReverseLookup(code); |
| 260 if (obj != Heap::undefined_value()) { | 261 if (obj != heap->undefined_value()) { |
| 261 ASSERT(obj->IsSmi()); | 262 ASSERT(obj->IsSmi()); |
| 262 // Get the STUB key and extract major and minor key. | 263 // Get the STUB key and extract major and minor key. |
| 263 uint32_t key = Smi::cast(obj)->value(); | 264 uint32_t key = Smi::cast(obj)->value(); |
| 264 uint32_t minor_key = CodeStub::MinorKeyFromKey(key); | 265 uint32_t minor_key = CodeStub::MinorKeyFromKey(key); |
| 265 CodeStub::Major major_key = CodeStub::GetMajorKey(code); | 266 CodeStub::Major major_key = CodeStub::GetMajorKey(code); |
| 266 ASSERT(major_key == CodeStub::MajorKeyFromKey(key)); | 267 ASSERT(major_key == CodeStub::MajorKeyFromKey(key)); |
| 267 out.AddFormatted(" %s, %s, ", | 268 out.AddFormatted(" %s, %s, ", |
| 268 Code::Kind2String(kind), | 269 Code::Kind2String(kind), |
| 269 CodeStub::MajorName(major_key, false)); | 270 CodeStub::MajorName(major_key, false)); |
| 270 switch (major_key) { | 271 switch (major_key) { |
| (...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 329 | 330 |
| 330 #else // ENABLE_DISASSEMBLER | 331 #else // ENABLE_DISASSEMBLER |
| 331 | 332 |
| 332 void Disassembler::Dump(FILE* f, byte* begin, byte* end) {} | 333 void Disassembler::Dump(FILE* f, byte* begin, byte* end) {} |
| 333 int Disassembler::Decode(FILE* f, byte* begin, byte* end) { return 0; } | 334 int Disassembler::Decode(FILE* f, byte* begin, byte* end) { return 0; } |
| 334 void Disassembler::Decode(FILE* f, Code* code) {} | 335 void Disassembler::Decode(FILE* f, Code* code) {} |
| 335 | 336 |
| 336 #endif // ENABLE_DISASSEMBLER | 337 #endif // ENABLE_DISASSEMBLER |
| 337 | 338 |
| 338 } } // namespace v8::internal | 339 } } // namespace v8::internal |
| OLD | NEW |