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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "courgette/disassembler.h" | 5 #include "courgette/disassembler.h" |
| 6 | 6 |
| 7 #include <stddef.h> |
| 8 #include <stdint.h> |
| 9 |
| 7 #include <algorithm> | 10 #include <algorithm> |
| 8 #include <string> | 11 #include <string> |
| 9 #include <vector> | 12 #include <vector> |
| 10 | 13 |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/logging.h" | 14 #include "base/logging.h" |
| 13 | 15 |
| 14 #include "courgette/assembly_program.h" | 16 #include "courgette/assembly_program.h" |
| 15 #include "courgette/courgette.h" | 17 #include "courgette/courgette.h" |
| 16 #include "courgette/disassembler_elf_32_arm.h" | 18 #include "courgette/disassembler_elf_32_arm.h" |
| 17 #include "courgette/disassembler_elf_32_x86.h" | 19 #include "courgette/disassembler_elf_32_x86.h" |
| 18 #include "courgette/disassembler_win32_x64.h" | 20 #include "courgette/disassembler_win32_x64.h" |
| 19 #include "courgette/disassembler_win32_x86.h" | 21 #include "courgette/disassembler_win32_x86.h" |
| 20 #include "courgette/encoded_program.h" | 22 #include "courgette/encoded_program.h" |
| 21 | 23 |
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| 94 *output = program; | 96 *output = program; |
| 95 return C_OK; | 97 return C_OK; |
| 96 } | 98 } |
| 97 | 99 |
| 98 void DeleteAssemblyProgram(AssemblyProgram* program) { | 100 void DeleteAssemblyProgram(AssemblyProgram* program) { |
| 99 delete program; | 101 delete program; |
| 100 } | 102 } |
| 101 | 103 |
| 102 Disassembler::Disassembler(const void* start, size_t length) | 104 Disassembler::Disassembler(const void* start, size_t length) |
| 103 : failure_reason_("uninitialized") { | 105 : failure_reason_("uninitialized") { |
| 104 | 106 start_ = reinterpret_cast<const uint8_t*>(start); |
| 105 start_ = reinterpret_cast<const uint8*>(start); | |
| 106 length_ = length; | 107 length_ = length; |
| 107 end_ = start_ + length_; | 108 end_ = start_ + length_; |
| 108 }; | 109 }; |
| 109 | 110 |
| 110 Disassembler::~Disassembler() {}; | 111 Disassembler::~Disassembler() {}; |
| 111 | 112 |
| 112 const uint8* Disassembler::OffsetToPointer(size_t offset) const { | 113 const uint8_t* Disassembler::OffsetToPointer(size_t offset) const { |
| 113 assert(start_ + offset <= end_); | 114 assert(start_ + offset <= end_); |
| 114 return start_ + offset; | 115 return start_ + offset; |
| 115 } | 116 } |
| 116 | 117 |
| 117 bool Disassembler::Good() { | 118 bool Disassembler::Good() { |
| 118 failure_reason_ = NULL; | 119 failure_reason_ = NULL; |
| 119 return true; | 120 return true; |
| 120 } | 121 } |
| 121 | 122 |
| 122 bool Disassembler::Bad(const char* reason) { | 123 bool Disassembler::Bad(const char* reason) { |
| 123 failure_reason_ = reason; | 124 failure_reason_ = reason; |
| 124 return false; | 125 return false; |
| 125 } | 126 } |
| 126 | 127 |
| 127 void Disassembler::ReduceLength(size_t reduced_length) { | 128 void Disassembler::ReduceLength(size_t reduced_length) { |
| 128 CHECK_LE(reduced_length, length_); | 129 CHECK_LE(reduced_length, length_); |
| 129 length_ = reduced_length; | 130 length_ = reduced_length; |
| 130 end_ = start_ + length_; | 131 end_ = start_ + length_; |
| 131 } | 132 } |
| 132 | 133 |
| 133 } // namespace courgette | 134 } // namespace courgette |
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