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llvm+

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This commit is contained in:
Artur K
2012-02-23 22:14:56 +01:00
parent 2b2eaeabe5
commit a51c5af87f
15 changed files with 242 additions and 258 deletions
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56
include/icode.h
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@@ -4,6 +4,8 @@
****************************************************************************/
#pragma once
#include <vector>
#include <llvm/MC/MCInst.h>
#include <llvm/MC/MCAsmInfo.h>
#include "Enums.h"
//enum condId;
struct LOCAL_ID;
@@ -254,17 +256,6 @@ struct DU_ICODE
#define MAX_USES 5
/* LOW_LEVEL icode operand record */
struct ICODEMEM
{
byte seg; /* CS, DS, ES, SS */
int16 segValue; /* Value of segment seg during analysis */
byte segOver; /* CS, DS, ES, SS if segment override */
byte regi; /* 0 < regs < INDEXBASE <= index modes */
int16 off; /* memory address offset */
} ;
struct COND_EXPR;
struct HLTYPE
{
@@ -281,22 +272,34 @@ struct HLTYPE
} call;
} oper; /* operand */
} ;
/* LOW_LEVEL icode operand record */
struct LLOpcode : public llvm::MCOperand
{
byte seg; /* CS, DS, ES, SS */
int16 segValue; /* Value of segment seg during analysis */
byte segOver; /* CS, DS, ES, SS if segment override */
byte regi; /* 0 < regs < INDEXBASE <= index modes */
int16 off; /* memory address offset */
dword opz; /* idx of immed src op */
//union {/* Source operand if (flg & I) */
//dword opz; /* idx of immed src op */
struct { /* Call & # actual arg bytes */
Function *proc; /* pointer to target proc (for CALL(F))*/
int cb; /* # actual arg bytes */
} proc;
//} immed;
dword op() const {return opz;}
void SetImmediateOp(dword dw) {opz=dw;}
struct LLTYPE
};
struct LLInst : public llvm::MCInst
{
llIcode opcode; /* llIcode instruction */
byte numBytes; /* Number of bytes this instr */
flags32 flg; /* icode flags */
dword label; /* offset in image (20-bit adr) */
ICODEMEM dst; /* destination operand */
ICODEMEM src; /* source operand */
union { /* Source operand if (flg & I) */
dword op; /* idx of immed src op */
struct { /* Call & # actual arg bytes */
Function *proc; /* pointer to target proc (for CALL(F))*/
int cb; /* # actual arg bytes */
} proc;
} immed;
LLOpcode dst; /* destination operand */
LLOpcode src; /* source operand */
DU flagDU; /* def/use of flags */
struct { /* Case table if op==JMP && !I */
Int numEntries; /* # entries in case table */
@@ -308,6 +311,7 @@ struct LLTYPE
{
return (opcode >= iJB) && (opcode < iJCXZ);
}
bool anyFlagSet(uint32_t x) const { return (flg & x)!=0;}
};
/* Icode definition: LOW_LEVEL and HIGH_LEVEL */
@@ -326,7 +330,7 @@ struct ICODE
DU1 du1; /* du chain 1 */
Int codeIdx; /* Index into cCode.code */
struct IC { /* Different types of icodes */
LLTYPE ll;
LLInst ll;
HLTYPE hl; /* For HIGH_LEVEL icodes */
};
IC ic;/* intermediate code */
@@ -337,6 +341,8 @@ struct ICODE
dword GetLlFlag() {return ic.ll.flg;}
bool isLlFlag(dword flg) {return (ic.ll.flg&flg)!=0;}
llIcode GetLlOpcode() const { return ic.ll.opcode; }
dword GetLlLabel() const { return ic.ll.label;}
void SetImmediateOp(dword dw) {ic.ll.src.SetImmediateOp(dw);}
void writeIntComment(std::ostringstream &s);
void setRegDU(byte regi, operDu du_in);
@@ -356,19 +362,13 @@ public:
};
// This is the icode array object.
// The bulk of this could well be done with a class library
class CIcodeRec : public std::vector<ICODE>
{
public:
CIcodeRec(); // Constructor
~CIcodeRec(); // Destructor
ICODE * addIcode(ICODE *pIcode);
// ICODE * GetNextIcode(ICODE * pCurIcode);
void SetInBB(int start, int end, BB* pnewBB);
void SetImmediateOp(int ip, dword dw);
dword GetLlLabel(int ip);
llIcode GetLlOpcode(int ip);
bool labelSrch(dword target, dword &pIndex);
ICODE * GetIcode(int ip);
};