| 81 | } |
| 82 | |
| 83 | bool x86MovHandler(Instruction* instruction) |
| 84 | { |
| 85 | std::vector<ZydisDecodedOperand> operandInfo = instruction->getOperandInfo(); |
| 86 | |
| 87 | switch (operandInfo[0].type) |
| 88 | { |
| 89 | case ZYDIS_OPERAND_TYPE_REGISTER: |
| 90 | { |
| 91 | switch (operandInfo[1].type) |
| 92 | { |
| 93 | case ZYDIS_OPERAND_TYPE_REGISTER: |
| 94 | { |
| 95 | if (operandInfo[0].size == 32) |
| 96 | zeroRegister(instruction, operandInfo[0].reg.value); |
| 97 | emitPushRegister(instruction, operandInfo[1].reg.value, operandInfo[0].size); |
| 98 | emitPopRegister(instruction, operandInfo[0].reg.value, operandInfo[0].size); |
| 99 | return 1; |
| 100 | } |
| 101 | case ZYDIS_OPERAND_TYPE_IMMEDIATE: |
| 102 | { |
| 103 | if (operandInfo[0].size == 32) |
| 104 | zeroRegister(instruction, operandInfo[0].reg.value); |
| 105 | emitPushImmediate(instruction, operandInfo[1].imm.value.s, operandInfo[0].size); |
| 106 | emitPopRegister(instruction, operandInfo[0].reg.value, operandInfo[0].size); |
| 107 | return 1; |
| 108 | } |
| 109 | case ZYDIS_OPERAND_TYPE_MEMORY: |
| 110 | { |
| 111 | calculateEffectiveAddress(instruction, operandInfo[1].mem); |
| 112 | if (operandInfo[0].size == 32) |
| 113 | zeroRegister(instruction, operandInfo[0].reg.value); |
| 114 | emitRead(instruction, operandInfo[0].size); |
| 115 | emitPopRegister(instruction, operandInfo[0].reg.value, operandInfo[0].size); |
| 116 | return 1; |
| 117 | } |
| 118 | case ZYDIS_OPERAND_TYPE_POINTER: return 0; |
| 119 | case ZYDIS_OPERAND_TYPE_UNUSED: return 0; |
| 120 | } |
| 121 | } |
| 122 | case ZYDIS_OPERAND_TYPE_IMMEDIATE: return 0; |
| 123 | case ZYDIS_OPERAND_TYPE_MEMORY: |
| 124 | { |
| 125 | calculateEffectiveAddress(instruction, operandInfo[0].mem); |
| 126 | emitPopRegister(instruction, R0, 64); |
| 127 | |
| 128 | switch (operandInfo[1].type) |
| 129 | { |
| 130 | case ZYDIS_OPERAND_TYPE_REGISTER: |
| 131 | { |
| 132 | emitPushRegister(instruction, operandInfo[1].reg.value, operandInfo[0].size); |
| 133 | emitPushRegister(instruction, R0, 64); |
| 134 | emitWrite(instruction, operandInfo[0].size); |
| 135 | return 1; |
| 136 | } |
| 137 | case ZYDIS_OPERAND_TYPE_IMMEDIATE: |
| 138 | { |
| 139 | emitPushImmediate(instruction, operandInfo[1].imm.value.s, operandInfo[0].size); |
| 140 | emitPushRegister(instruction, R0, 64); |
no test coverage detected