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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 #include <assert.h> | 5 #include <assert.h> |
| 6 #include <stdio.h> | 6 #include <stdio.h> |
| 7 #include <stdarg.h> | 7 #include <stdarg.h> |
| 8 | 8 |
| 9 #include "src/v8.h" | 9 #include "src/v8.h" |
| 10 | 10 |
| 11 #if V8_TARGET_ARCH_X64 | 11 #if V8_TARGET_ARCH_X64 |
| 12 | 12 |
| 13 #include "src/base/lazy-instance.h" |
| 13 #include "src/disasm.h" | 14 #include "src/disasm.h" |
| 14 #include "src/lazy-instance.h" | |
| 15 | 15 |
| 16 namespace disasm { | 16 namespace disasm { |
| 17 | 17 |
| 18 enum OperandType { | 18 enum OperandType { |
| 19 UNSET_OP_ORDER = 0, | 19 UNSET_OP_ORDER = 0, |
| 20 // Operand size decides between 16, 32 and 64 bit operands. | 20 // Operand size decides between 16, 32 and 64 bit operands. |
| 21 REG_OPER_OP_ORDER = 1, // Register destination, operand source. | 21 REG_OPER_OP_ORDER = 1, // Register destination, operand source. |
| 22 OPER_REG_OP_ORDER = 2, // Operand destination, register source. | 22 OPER_REG_OP_ORDER = 2, // Operand destination, register source. |
| 23 // Fixed 8-bit operands. | 23 // Fixed 8-bit operands. |
| 24 BYTE_SIZE_OPERAND_FLAG = 4, | 24 BYTE_SIZE_OPERAND_FLAG = 4, |
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| 241 void InstructionTable::AddJumpConditionalShort() { | 241 void InstructionTable::AddJumpConditionalShort() { |
| 242 for (byte b = 0x70; b <= 0x7F; b++) { | 242 for (byte b = 0x70; b <= 0x7F; b++) { |
| 243 InstructionDesc* id = &instructions_[b]; | 243 InstructionDesc* id = &instructions_[b]; |
| 244 ASSERT_EQ(NO_INSTR, id->type); // Information not already entered | 244 ASSERT_EQ(NO_INSTR, id->type); // Information not already entered |
| 245 id->mnem = NULL; // Computed depending on condition code. | 245 id->mnem = NULL; // Computed depending on condition code. |
| 246 id->type = JUMP_CONDITIONAL_SHORT_INSTR; | 246 id->type = JUMP_CONDITIONAL_SHORT_INSTR; |
| 247 } | 247 } |
| 248 } | 248 } |
| 249 | 249 |
| 250 | 250 |
| 251 static v8::internal::LazyInstance<InstructionTable>::type instruction_table = | 251 static v8::base::LazyInstance<InstructionTable>::type instruction_table = |
| 252 LAZY_INSTANCE_INITIALIZER; | 252 LAZY_INSTANCE_INITIALIZER; |
| 253 | 253 |
| 254 | 254 |
| 255 static InstructionDesc cmov_instructions[16] = { | 255 static InstructionDesc cmov_instructions[16] = { |
| 256 {"cmovo", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 256 {"cmovo", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
| 257 {"cmovno", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 257 {"cmovno", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
| 258 {"cmovc", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 258 {"cmovc", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
| 259 {"cmovnc", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 259 {"cmovnc", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
| 260 {"cmovz", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 260 {"cmovz", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
| 261 {"cmovnz", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, | 261 {"cmovnz", TWO_OPERANDS_INSTR, REG_OPER_OP_ORDER, false}, |
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| 1903 for (int i = 6 - static_cast<int>(pc - prev_pc); i >= 0; i--) { | 1903 for (int i = 6 - static_cast<int>(pc - prev_pc); i >= 0; i--) { |
| 1904 fprintf(f, " "); | 1904 fprintf(f, " "); |
| 1905 } | 1905 } |
| 1906 fprintf(f, " %s\n", buffer.start()); | 1906 fprintf(f, " %s\n", buffer.start()); |
| 1907 } | 1907 } |
| 1908 } | 1908 } |
| 1909 | 1909 |
| 1910 } // namespace disasm | 1910 } // namespace disasm |
| 1911 | 1911 |
| 1912 #endif // V8_TARGET_ARCH_X64 | 1912 #endif // V8_TARGET_ARCH_X64 |
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