83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
#pragma once
|
|
#include <stdint.h>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <bitset>
|
|
|
|
/* Machine registers */
|
|
enum eReg
|
|
{
|
|
rUNDEF = 0,
|
|
rAX = 1, /* These are numbered relative to real 8086 */
|
|
rCX = 2,
|
|
rDX = 3,
|
|
rBX = 4,
|
|
rSP = 5,
|
|
rBP = 6,
|
|
rSI = 7,
|
|
rDI = 8,
|
|
|
|
rES = 9,
|
|
rCS = 10,
|
|
rSS = 11,
|
|
rDS = 12,
|
|
|
|
rAL = 13,
|
|
rCL = 14,
|
|
rDL = 15,
|
|
rBL = 16,
|
|
rAH = 17,
|
|
rCH = 18,
|
|
rDH = 19,
|
|
rBH = 20,
|
|
|
|
rTMP= 21, /* temp register for DIV/IDIV/MOD */
|
|
/* Indexed modes go from INDEXBASE to INDEXBASE+7 */
|
|
INDEX_BX_SI = 22, // "bx+si"
|
|
INDEX_BX_DI, // "bx+di"
|
|
INDEX_BP_SI, // "bp+si"
|
|
INDEX_BP_DI, // "bp+di"
|
|
INDEX_SI, // "si"
|
|
INDEX_DI, // "di"
|
|
INDEX_BP, // "bp"
|
|
INDEX_BX, // "bx"
|
|
LAST_REG
|
|
};
|
|
class SourceMachine
|
|
{
|
|
public:
|
|
// virtual bool physicalReg(eReg r)=0;
|
|
|
|
};
|
|
//class Machine_X86_Disassembler
|
|
//{
|
|
// void formatRM(std::ostringstream &p, uint32_t flg, const LLOperand &pm);
|
|
//};
|
|
class Machine_X86 : public SourceMachine
|
|
{
|
|
public:
|
|
Machine_X86();
|
|
virtual ~Machine_X86() {}
|
|
static const std::string ®Name(eReg r);
|
|
static const std::string &opcodeName(unsigned r);
|
|
static const std::string &floatOpName(unsigned r);
|
|
static bool physicalReg(eReg r);
|
|
/* Writes the registers that are set in the bitvector */
|
|
//TODO: move this into Machine_X86 ?
|
|
static void writeBitVector (std::ostream &ostr,const std::bitset<32> ®i)
|
|
{
|
|
int j;
|
|
for (j = rAX; j < INDEX_BX_SI; j++)
|
|
{
|
|
if (regi.test(j-1))
|
|
ostr << regName(eReg(j));
|
|
}
|
|
}
|
|
static eReg subRegH(eReg reg); //TODO: move these into machine_x86
|
|
static eReg subRegL(eReg reg);
|
|
|
|
static bool isMemOff(eReg r);
|
|
static bool isSubRegisterOf(eReg reg, eReg parent);
|
|
|
|
};
|