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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project 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 // A Disassembler object is used to disassemble a block of code instruction by | 5 // A Disassembler object is used to disassemble a block of code instruction by |
| 6 // instruction. The default implementation of the NameConverter object can be | 6 // instruction. The default implementation of the NameConverter object can be |
| 7 // overriden to modify register names or to do symbol lookup on addresses. | 7 // overriden to modify register names or to do symbol lookup on addresses. |
| 8 // | 8 // |
| 9 // The example below will disassemble a block of code and print it to stdout. | 9 // The example below will disassemble a block of code and print it to stdout. |
| 10 // | 10 // |
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| 141 while (cur != '\0' && (out_buffer_pos_ < (out_buffer_.length() - 1))) { | 141 while (cur != '\0' && (out_buffer_pos_ < (out_buffer_.length() - 1))) { |
| 142 PrintChar(cur); | 142 PrintChar(cur); |
| 143 cur = *str++; | 143 cur = *str++; |
| 144 } | 144 } |
| 145 out_buffer_[out_buffer_pos_] = 0; | 145 out_buffer_[out_buffer_pos_] = 0; |
| 146 } | 146 } |
| 147 | 147 |
| 148 | 148 |
| 149 // These condition names are defined in a way to match the native disassembler | 149 // These condition names are defined in a way to match the native disassembler |
| 150 // formatting. See for example the command "objdump -d <binary file>". | 150 // formatting. See for example the command "objdump -d <binary file>". |
| 151 static const char* cond_names[kNumberOfConditions] = { | 151 static const char* const cond_names[kNumberOfConditions] = { |
| 152 "eq", "ne", "cs" , "cc" , "mi" , "pl" , "vs" , "vc" , | 152 "eq", "ne", "cs" , "cc" , "mi" , "pl" , "vs" , "vc" , |
| 153 "hi", "ls", "ge", "lt", "gt", "le", "", "invalid", | 153 "hi", "ls", "ge", "lt", "gt", "le", "", "invalid", |
| 154 }; | 154 }; |
| 155 | 155 |
| 156 | 156 |
| 157 // Print the condition guarding the instruction. | 157 // Print the condition guarding the instruction. |
| 158 void Decoder::PrintCondition(Instruction* instr) { | 158 void Decoder::PrintCondition(Instruction* instr) { |
| 159 Print(cond_names[instr->ConditionValue()]); | 159 Print(cond_names[instr->ConditionValue()]); |
| 160 } | 160 } |
| 161 | 161 |
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| 1792 v8::internal::PrintF( | 1792 v8::internal::PrintF( |
| 1793 f, "%p %08x %s\n", | 1793 f, "%p %08x %s\n", |
| 1794 prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start()); | 1794 prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start()); |
| 1795 } | 1795 } |
| 1796 } | 1796 } |
| 1797 | 1797 |
| 1798 | 1798 |
| 1799 } // namespace disasm | 1799 } // namespace disasm |
| 1800 | 1800 |
| 1801 #endif // V8_TARGET_ARCH_ARM | 1801 #endif // V8_TARGET_ARCH_ARM |
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