an BGStackValue( type_def *tipe )
/************************************/
{
an addr;
addr = RegName( StackReg(), tipe );
return( addr );
}
an BGVarargsBasePtr( type_def *tipe )
/****************************************/
{
an addr;
addr = RegName( VarargsHomePtr(), tipe );
return( addr );
}
String Capstone::OperandText(int opindex) const
{
if(opindex >= mInstr->detail->x86.op_count)
return "";
const auto & op = mInstr->detail->x86.operands[opindex];
String result;
char temp[32] = "";
switch(op.type)
{
case X86_OP_REG:
{
result = RegName(x86_reg(op.reg));
}
break;
case X86_OP_IMM:
{
if(InGroup(CS_GRP_JUMP) || InGroup(CS_GRP_CALL) || IsLoop())
sprintf_s(temp, "%" fext "X", op.imm + mInstr->size);
else
sprintf_s(temp, "%" fext "X", op.imm);
result = temp;
}
break;
case X86_OP_MEM:
{
const auto & mem = op.mem;
if(op.mem.base == X86_REG_RIP) //rip-relative
{
sprintf_s(temp, "%" fext "X", mInstr->address + op.mem.disp + mInstr->size);
result += temp;
}
else //normal
{
bool prependPlus = false;
if(mem.base)
{
result += RegName(x86_reg(mem.base));
prependPlus = true;
}
if(mem.index)
{
if(prependPlus)
result += "+";
result += RegName(x86_reg(mem.index));
sprintf_s(temp, "*%X", mem.scale);
result += temp;
prependPlus = true;
}
if(mem.disp)
{
char operatorText = '+';
if(mem.disp < 0)
{
operatorText = '-';
sprintf_s(temp, "%" fext "X", mem.disp * -1);
}
else
sprintf_s(temp, "%" fext "X", mem.disp);
if(prependPlus)
result += operatorText;
result += temp;
}
}
}
break;
case X86_OP_FP:
case X86_OP_INVALID:
{
}
break;
}
return result;
}
