a740690e04
Added replaceExpr, which replaces expression, and deletes the old one. Moved subReg* family to Machine_X86, also moved there a few float op decoding parts. A few more usages of cCode global replaced with ostreams Refactored compoundCond().
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#pragma once
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#include <stdint.h>
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#include <string>
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#include <sstream>
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#include <bitset>
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/* Machine registers */
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enum eReg
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{
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rUNDEF = 0,
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rAX = 1, /* These are numbered relative to real 8086 */
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rCX = 2,
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rDX = 3,
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rBX = 4,
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rSP = 5,
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rBP = 6,
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rSI = 7,
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rDI = 8,
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rES = 9,
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rCS = 10,
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rSS = 11,
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rDS = 12,
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rAL = 13,
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rCL = 14,
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rDL = 15,
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rBL = 16,
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rAH = 17,
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rCH = 18,
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rDH = 19,
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rBH = 20,
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rTMP= 21, /* temp register for DIV/IDIV/MOD */
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/* Indexed modes go from INDEXBASE to INDEXBASE+7 */
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INDEX_BX_SI = 22, // "bx+si"
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INDEX_BX_DI, // "bx+di"
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INDEX_BP_SI, // "bp+si"
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INDEX_BP_DI, // "bp+di"
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INDEX_SI, // "si"
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INDEX_DI, // "di"
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INDEX_BP, // "bp"
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INDEX_BX, // "bx"
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LAST_REG
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};
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class Machine_X86
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{
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public:
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Machine_X86();
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static const std::string ®Name(eReg r);
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static const std::string &opcodeName(unsigned r);
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static const std::string &floatOpName(unsigned r);
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static bool physicalReg(eReg r);
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/* Writes the registers that are set in the bitvector */
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//TODO: move this into Machine_X86 ?
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static void writeBitVector (std::ostream &ostr,const std::bitset<32> ®i)
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{
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int j;
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for (j = rAX; j < INDEX_BX_SI; j++)
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{
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if (regi.test(j-1))
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ostr << regName(eReg(j));
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}
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}
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static eReg subRegH(eReg reg); //TODO: move these into machine_x86
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static eReg subRegL(eReg reg);
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static bool isMemOff(eReg r);
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static bool isSubRegisterOf(eReg reg, eReg parent);
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};
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