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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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58 explicit V8NameConverter(Code* code) : code_(code) {} | 58 explicit V8NameConverter(Code* code) : code_(code) {} |
59 virtual const char* NameOfAddress(byte* pc) const; | 59 virtual const char* NameOfAddress(byte* pc) const; |
60 virtual const char* NameInCode(byte* addr) const; | 60 virtual const char* NameInCode(byte* addr) const; |
61 Code* code() const { return code_; } | 61 Code* code() const { return code_; } |
62 private: | 62 private: |
63 Code* code_; | 63 Code* code_; |
64 }; | 64 }; |
65 | 65 |
66 | 66 |
67 const char* V8NameConverter::NameOfAddress(byte* pc) const { | 67 const char* V8NameConverter::NameOfAddress(byte* pc) const { |
68 static v8::internal::EmbeddedVector<char, 128> buffer; | 68 v8::internal::EmbeddedVector<char, 128> buffer = |
| 69 v8_context()->disassembler_data_->buffer_; |
69 | 70 |
70 const char* name = Builtins::Lookup(pc); | 71 const char* name = Builtins::Lookup(pc); |
71 if (name != NULL) { | 72 if (name != NULL) { |
72 OS::SNPrintF(buffer, "%s (%p)", name, pc); | 73 OS::SNPrintF(buffer, "%s (%p)", name, pc); |
73 return buffer.start(); | 74 return buffer.start(); |
74 } | 75 } |
75 | 76 |
76 if (code_ != NULL) { | 77 if (code_ != NULL) { |
77 int offs = static_cast<int>(pc - code_->instruction_start()); | 78 int offs = static_cast<int>(pc - code_->instruction_start()); |
78 // print as code offset, if it seems reasonable | 79 // print as code offset, if it seems reasonable |
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300 | 301 |
301 | 302 |
302 // Called by Code::CodePrint. | 303 // Called by Code::CodePrint. |
303 void Disassembler::Decode(FILE* f, Code* code) { | 304 void Disassembler::Decode(FILE* f, Code* code) { |
304 byte* begin = Code::cast(code)->instruction_start(); | 305 byte* begin = Code::cast(code)->instruction_start(); |
305 byte* end = begin + Code::cast(code)->instruction_size(); | 306 byte* end = begin + Code::cast(code)->instruction_size(); |
306 V8NameConverter v8NameConverter(code); | 307 V8NameConverter v8NameConverter(code); |
307 DecodeIt(f, v8NameConverter, begin, end); | 308 DecodeIt(f, v8NameConverter, begin, end); |
308 } | 309 } |
309 | 310 |
| 311 void Disassembler::PostConstruct() { |
| 312 v8_context()->disassembler_data_ = new disasm::DisassemblerData(); |
| 313 } |
| 314 |
| 315 void Disassembler::PreDestroy() { |
| 316 delete v8_context()->disassembler_data_; |
| 317 } |
| 318 |
310 #else // ENABLE_DISASSEMBLER | 319 #else // ENABLE_DISASSEMBLER |
311 | 320 |
312 void Disassembler::Dump(FILE* f, byte* begin, byte* end) {} | 321 void Disassembler::Dump(FILE* f, byte* begin, byte* end) {} |
313 int Disassembler::Decode(FILE* f, byte* begin, byte* end) { return 0; } | 322 int Disassembler::Decode(FILE* f, byte* begin, byte* end) { return 0; } |
314 void Disassembler::Decode(FILE* f, Code* code) {} | 323 void Disassembler::Decode(FILE* f, Code* code) {} |
315 | 324 |
316 #endif // ENABLE_DISASSEMBLER | 325 #endif // ENABLE_DISASSEMBLER |
317 | 326 |
318 } } // namespace v8::internal | 327 } } // namespace v8::internal |
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