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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef RUNTIME_VM_DISASSEMBLER_H_ | 5 #ifndef RUNTIME_VM_DISASSEMBLER_H_ |
| 6 #define RUNTIME_VM_DISASSEMBLER_H_ | 6 #define RUNTIME_VM_DISASSEMBLER_H_ |
| 7 | 7 |
| 8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
| 9 #include "vm/assembler.h" | 9 #include "vm/assembler.h" |
| 10 #include "vm/globals.h" | 10 #include "vm/globals.h" |
| 11 #include "vm/log.h" | 11 #include "vm/log.h" |
| 12 | 12 |
| 13 namespace dart { | 13 namespace dart { |
| 14 | 14 |
| 15 // Froward declaration. | 15 // Froward declaration. |
| 16 class MemoryRegion; | 16 class MemoryRegion; |
| 17 class JSONArray; | 17 class JSONArray; |
| 18 | 18 |
| 19 // Disassembly formatter interface, which consumes the | 19 // Disassembly formatter interface, which consumes the |
| 20 // disassembled instructions in any desired form. | 20 // disassembled instructions in any desired form. |
| 21 class DisassemblyFormatter { | 21 class DisassemblyFormatter { |
| 22 public: | 22 public: |
| 23 DisassemblyFormatter() { } | 23 DisassemblyFormatter() {} |
| 24 virtual ~DisassemblyFormatter() { } | 24 virtual ~DisassemblyFormatter() {} |
| 25 | 25 |
| 26 // Consume the decoded instruction at the given pc. | 26 // Consume the decoded instruction at the given pc. |
| 27 virtual void ConsumeInstruction(const Code& code, | 27 virtual void ConsumeInstruction(const Code& code, |
| 28 char* hex_buffer, | 28 char* hex_buffer, |
| 29 intptr_t hex_size, | 29 intptr_t hex_size, |
| 30 char* human_buffer, | 30 char* human_buffer, |
| 31 intptr_t human_size, | 31 intptr_t human_size, |
| 32 Object* object, | 32 Object* object, |
| 33 uword pc) = 0; | 33 uword pc) = 0; |
| 34 | 34 |
| 35 // Print a formatted message. | 35 // Print a formatted message. |
| 36 virtual void Print(const char* format, ...) = 0; | 36 virtual void Print(const char* format, ...) = 0; |
| 37 }; | 37 }; |
| 38 | 38 |
| 39 | 39 |
| 40 // Basic disassembly formatter that outputs the disassembled instruction | 40 // Basic disassembly formatter that outputs the disassembled instruction |
| 41 // to stdout. | 41 // to stdout. |
| 42 class DisassembleToStdout : public DisassemblyFormatter { | 42 class DisassembleToStdout : public DisassemblyFormatter { |
| 43 public: | 43 public: |
| 44 DisassembleToStdout() : DisassemblyFormatter() { } | 44 DisassembleToStdout() : DisassemblyFormatter() {} |
| 45 ~DisassembleToStdout() { } | 45 ~DisassembleToStdout() {} |
| 46 | 46 |
| 47 virtual void ConsumeInstruction(const Code& code, | 47 virtual void ConsumeInstruction(const Code& code, |
| 48 char* hex_buffer, | 48 char* hex_buffer, |
| 49 intptr_t hex_size, | 49 intptr_t hex_size, |
| 50 char* human_buffer, | 50 char* human_buffer, |
| 51 intptr_t human_size, | 51 intptr_t human_size, |
| 52 Object* object, | 52 Object* object, |
| 53 uword pc); | 53 uword pc); |
| 54 | 54 |
| 55 virtual void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); | 55 virtual void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); |
| 56 | 56 |
| 57 private: | 57 private: |
| 58 DISALLOW_ALLOCATION() | 58 DISALLOW_ALLOCATION() |
| 59 DISALLOW_COPY_AND_ASSIGN(DisassembleToStdout); | 59 DISALLOW_COPY_AND_ASSIGN(DisassembleToStdout); |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 | 62 |
| 63 // Disassemble into a JSONStream. | 63 // Disassemble into a JSONStream. |
| 64 class DisassembleToJSONStream : public DisassemblyFormatter { | 64 class DisassembleToJSONStream : public DisassemblyFormatter { |
| 65 public: | 65 public: |
| 66 explicit DisassembleToJSONStream(const JSONArray& jsarr) | 66 explicit DisassembleToJSONStream(const JSONArray& jsarr) |
| 67 : DisassemblyFormatter(), jsarr_(jsarr) { } | 67 : DisassemblyFormatter(), jsarr_(jsarr) {} |
| 68 ~DisassembleToJSONStream() { } | 68 ~DisassembleToJSONStream() {} |
| 69 | 69 |
| 70 virtual void ConsumeInstruction(const Code& code, | 70 virtual void ConsumeInstruction(const Code& code, |
| 71 char* hex_buffer, | 71 char* hex_buffer, |
| 72 intptr_t hex_size, | 72 intptr_t hex_size, |
| 73 char* human_buffer, | 73 char* human_buffer, |
| 74 intptr_t human_size, | 74 intptr_t human_size, |
| 75 Object* object, | 75 Object* object, |
| 76 uword pc); | 76 uword pc); |
| 77 | 77 |
| 78 virtual void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); | 78 virtual void Print(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); |
| (...skipping 15 matching lines...) Expand all Loading... |
| 94 uword end, | 94 uword end, |
| 95 DisassemblyFormatter* formatter, | 95 DisassemblyFormatter* formatter, |
| 96 const Code& code); | 96 const Code& code); |
| 97 | 97 |
| 98 static void Disassemble(uword start, | 98 static void Disassemble(uword start, |
| 99 uword end, | 99 uword end, |
| 100 DisassemblyFormatter* formatter) { | 100 DisassemblyFormatter* formatter) { |
| 101 Disassemble(start, end, formatter, Code::Handle()); | 101 Disassemble(start, end, formatter, Code::Handle()); |
| 102 } | 102 } |
| 103 | 103 |
| 104 static void Disassemble(uword start, | 104 static void Disassemble(uword start, uword end, const Code& code) { |
| 105 uword end, | |
| 106 const Code& code) { | |
| 107 DisassembleToStdout stdout_formatter; | 105 DisassembleToStdout stdout_formatter; |
| 108 LogBlock lb; | 106 LogBlock lb; |
| 109 Disassemble(start, end, &stdout_formatter, code); | 107 Disassemble(start, end, &stdout_formatter, code); |
| 110 } | 108 } |
| 111 | 109 |
| 112 static void Disassemble(uword start, uword end) { | 110 static void Disassemble(uword start, uword end) { |
| 113 DisassembleToStdout stdout_formatter; | 111 DisassembleToStdout stdout_formatter; |
| 114 LogBlock lb; | 112 LogBlock lb; |
| 115 Disassemble(start, end, &stdout_formatter); | 113 Disassemble(start, end, &stdout_formatter); |
| 116 } | 114 } |
| 117 | 115 |
| 118 // Decodes one instruction. | 116 // Decodes one instruction. |
| 119 // Writes a hexadecimal representation into the hex_buffer and a | 117 // Writes a hexadecimal representation into the hex_buffer and a |
| 120 // human-readable representation into the human_buffer. | 118 // human-readable representation into the human_buffer. |
| 121 // Writes the length of the decoded instruction in bytes in out_instr_len. | 119 // Writes the length of the decoded instruction in bytes in out_instr_len. |
| 122 static void DecodeInstruction(char* hex_buffer, intptr_t hex_size, | 120 static void DecodeInstruction(char* hex_buffer, |
| 123 char* human_buffer, intptr_t human_size, | 121 intptr_t hex_size, |
| 124 int* out_instr_len, const Code& code, | 122 char* human_buffer, |
| 125 Object** object, uword pc); | 123 intptr_t human_size, |
| 124 int* out_instr_len, |
| 125 const Code& code, |
| 126 Object** object, |
| 127 uword pc); |
| 126 | 128 |
| 127 static void DisassembleCode(const Function& function, bool optimized); | 129 static void DisassembleCode(const Function& function, bool optimized); |
| 128 static void DisassembleCodeUnoptimized( | 130 static void DisassembleCodeUnoptimized(const Function& function, |
| 129 const Function& function, bool optimized); | 131 bool optimized); |
| 130 | 132 |
| 131 private: | 133 private: |
| 132 static void DisassembleCodeHelper( | 134 static void DisassembleCodeHelper(const char* function_fullname, |
| 133 const char* function_fullname, const Code& code, bool optimized); | 135 const Code& code, |
| 136 bool optimized); |
| 134 | 137 |
| 135 static const int kHexadecimalBufferSize = 32; | 138 static const int kHexadecimalBufferSize = 32; |
| 136 static const int kUserReadableBufferSize = 256; | 139 static const int kUserReadableBufferSize = 256; |
| 137 }; | 140 }; |
| 138 | 141 |
| 139 } // namespace dart | 142 } // namespace dart |
| 140 | 143 |
| 141 #endif // RUNTIME_VM_DISASSEMBLER_H_ | 144 #endif // RUNTIME_VM_DISASSEMBLER_H_ |
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