Function get_memory_operand

arch/arm64/disassembler/format.c:174–266

}

uint32_t get_memory_operand(
	const InstructionOperand *operand,
	char *outBuffer,
	uint32_t outBufferSize)
{
	char immBuff[64]= {0};
	char extendBuff[48] = {0};
	char paramBuff[32] = {0};

	char reg0[16]={'\0'}, reg1[16]={'\0'};
	if(get_register_full(operand->reg[0], operand, reg0))
		return FAILED_TO_DISASSEMBLE_REGISTER;

	const char *sign = "";
	int64_t imm = operand->immediate;
	if (operand->signedImm && (int64_t)imm < 0)
	{
		sign = "-";
		imm = -imm;
	}

	switch (operand->operandClass)
	{
		case MEM_REG:
			if (snprintf(outBuffer, outBufferSize, "[%s]", reg0) >= outBufferSize)
				return FAILED_TO_DISASSEMBLE_OPERAND;
			break;

		case MEM_PRE_IDX:
			if (snprintf(outBuffer, outBufferSize, "[%s, #%s%#" PRIx64 "]!", reg0, sign, (uint64_t)imm) >= outBufferSize)
				return FAILED_TO_DISASSEMBLE_OPERAND;
			break;

		case MEM_POST_IDX: // [<reg>], <reg|imm>
			if (operand->reg[1] != REG_NONE) {
				if(get_register_full((Register)operand->reg[1], operand, reg1))
					return FAILED_TO_DISASSEMBLE_REGISTER;

				snprintf(paramBuff, sizeof(paramBuff), ", %s", reg1);
			}
			else if (snprintf(paramBuff, sizeof(paramBuff), ", #%s%#" PRIx64, sign, (uint64_t)imm) >= sizeof(paramBuff))
				return FAILED_TO_DISASSEMBLE_OPERAND;

			if (snprintf(outBuffer, outBufferSize, "[%s]%s", reg0, paramBuff) >= outBufferSize)
				return FAILED_TO_DISASSEMBLE_OPERAND;

			break;

		case MEM_OFFSET: // [<reg> optional(imm)]
			if (operand->immediate != 0) {
				const char *mul_vl = operand->mul_vl ? ", mul vl" : "";
				if(snprintf(immBuff, sizeof(immBuff), ", #%s%#" PRIx64 "%s", sign, (uint64_t)imm, mul_vl) >= sizeof(immBuff)) {
					return FAILED_TO_DISASSEMBLE_OPERAND;
				}
			}

			if (snprintf(outBuffer, outBufferSize, "[%s%s]", reg0, immBuff) >= outBufferSize)
				return FAILED_TO_DISASSEMBLE_OPERAND;