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/* Capstone Disassembly Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MCInst.h"
#include "utils.h"
#define MCINST_CACHE (ARR_SIZE(mcInst->Operands) - 1)
void MCInst_Init(MCInst *inst)
{
inst->OpcodePub = 0;
inst->size = 0;
inst->has_imm = false;
inst->op1_size = 0;
inst->writeback = false;
}
void MCInst_clear(MCInst *inst)
{
inst->size = 0;
}
// do not free @Op
void MCInst_insert0(MCInst *inst, int index, MCOperand *Op)
{
int i;
for(i = inst->size; i > index; i--)
//memcpy(&(inst->Operands[i]), &(inst->Operands[i-1]), sizeof(MCOperand));
inst->Operands[i] = inst->Operands[i-1];
inst->Operands[index] = *Op;
inst->size++;
}
void MCInst_setOpcode(MCInst *inst, unsigned Op)
{
inst->Opcode = Op;
}
void MCInst_setOpcodePub(MCInst *inst, unsigned Op)
{
inst->OpcodePub = Op;
}
unsigned MCInst_getOpcode(const MCInst *inst)
{
return inst->Opcode;
}
unsigned MCInst_getOpcodePub(const MCInst *inst)
{
return inst->OpcodePub;
}
MCOperand *MCInst_getOperand(MCInst *inst, unsigned i)
{
return &inst->Operands[i];
}
unsigned MCInst_getNumOperands(const MCInst *inst)
{
return inst->size;
}
// This addOperand2 function doesnt free Op
void MCInst_addOperand2(MCInst *inst, MCOperand *Op)
{
inst->Operands[inst->size] = *Op;
inst->size++;
}
void MCOperand_Init(MCOperand *op)
{
op->Kind = kInvalid;
op->FPImmVal = 0.0;
}
bool MCOperand_isValid(const MCOperand *op)
{
return op->Kind != kInvalid;
}
bool MCOperand_isReg(const MCOperand *op)
{
return op->Kind == kRegister;
}
bool MCOperand_isImm(const MCOperand *op)
{
return op->Kind == kImmediate;
}
bool MCOperand_isFPImm(const MCOperand *op)
{
return op->Kind == kFPImmediate;
}
/// getReg - Returns the register number.
unsigned MCOperand_getReg(const MCOperand *op)
{
return op->RegVal;
}
/// setReg - Set the register number.
void MCOperand_setReg(MCOperand *op, unsigned Reg)
{
op->RegVal = Reg;
}
int64_t MCOperand_getImm(MCOperand *op)
{
return op->ImmVal;
}
void MCOperand_setImm(MCOperand *op, int64_t Val)
{
op->ImmVal = Val;
}
double MCOperand_getFPImm(const MCOperand *op)
{
return op->FPImmVal;
}
void MCOperand_setFPImm(MCOperand *op, double Val)
{
op->FPImmVal = Val;
}
MCOperand *MCOperand_CreateReg1(MCInst *mcInst, unsigned Reg)
{
MCOperand *op = &(mcInst->Operands[MCINST_CACHE]);
op->Kind = kRegister;
op->RegVal = Reg;
return op;
}
void MCOperand_CreateReg0(MCInst *mcInst, unsigned Reg)
{
MCOperand *op = &(mcInst->Operands[mcInst->size]);
mcInst->size++;
op->Kind = kRegister;
op->RegVal = Reg;
}
MCOperand *MCOperand_CreateImm1(MCInst *mcInst, int64_t Val)
{
MCOperand *op = &(mcInst->Operands[MCINST_CACHE]);
op->Kind = kImmediate;
op->ImmVal = Val;
return op;
}
void MCOperand_CreateImm0(MCInst *mcInst, int64_t Val)
{
MCOperand *op = &(mcInst->Operands[mcInst->size]);
mcInst->size++;
op->Kind = kImmediate;
op->ImmVal = Val;
}