Capstone disassembly/disassembler framework: Core (Arm, Arm64, BPF, EVM, M68K, M680X, MOS65xx, Mips, PPC, RISCV, Sparc, SystemZ, TMS320C64x, Web Assembly, X86, X86_64, XCore) + bindings. (bloaty 依赖)
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181 lines
2.9 KiB

/* Capstone Disassembler Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MCInst.h"
#include "utils.h"
void MCInst_Init(MCInst *inst)
{
memset(inst, 0, sizeof(*inst));
}
void MCInst_clear(MCInst *inst)
{
inst->size = 0;
}
// NOTE: this will free @Op argument
void MCInst_insert(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++;
cs_mem_free(Op);
}
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;
}
// NOTE: this will free @Op argument
int MCInst_addOperand(MCInst *inst, MCOperand *Op)
{
if (inst->size == ARR_SIZE(inst->Operands))
// full
return -1;
inst->Operands[inst->size] = *Op;
cs_mem_free(Op);
inst->size++;
return 0;
}
// This addOperand2 function doesnt free Op
int MCInst_addOperand2(MCInst *inst, MCOperand *Op)
{
if (inst->size == ARR_SIZE(inst->Operands))
// full
return -1;
inst->Operands[inst->size] = *Op;
inst->size++;
return 0;
}
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_CreateReg(unsigned Reg)
{
MCOperand *op = cs_mem_malloc(sizeof(*op));
op->Kind = kRegister;
op->RegVal = Reg;
return op;
}
MCOperand *MCOperand_CreateImm(int64_t Val)
{
MCOperand *op = cs_mem_malloc(sizeof(*op));
op->Kind = kImmediate;
op->ImmVal = Val;
return op;
}
MCOperand *MCOperand_CreateFPImm(double Val)
{
MCOperand *op = cs_mem_malloc(sizeof(*op));
op->Kind = kFPImmediate;
op->FPImmVal = Val;
return op;
}