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emitter: friend class OpArg with XEmitter

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Lioncash 2016-03-09 02:25:00 -05:00
parent 450c84c990
commit 77bcdafc94
1 changed files with 4 additions and 3 deletions
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7
src/common/x64/emitter.h
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@ -157,6 +157,8 @@ class XEmitter;
// RIP addressing does not benefit from micro op fusion on Core arch
struct OpArg
{
friend class XEmitter;
OpArg() {} // dummy op arg, used for storage
OpArg(u64 _offset, int _scale, X64Reg rmReg = RAX, X64Reg scaledReg = RAX)
{
@ -176,9 +178,6 @@ struct OpArg
void WriteVex(XEmitter* emit, X64Reg regOp1, X64Reg regOp2, int L, int pp, int mmmmm, int W = 0) const;
void WriteRest(XEmitter *emit, int extraBytes=0, X64Reg operandReg=INVALID_REG, bool warn_64bit_offset = true) const;
void WriteSingleByteOp(XEmitter *emit, u8 op, X64Reg operandReg, int bits);
// This one is public - must be written to
u64 offset; // use RIP-relative as much as possible - 64-bit immediates are not available.
u16 operandReg;
void WriteNormalOp(XEmitter *emit, bool toRM, NormalOp op, const OpArg &operand, int bits) const;
bool IsImm() const {return scale == SCALE_IMM8 || scale == SCALE_IMM16 || scale == SCALE_IMM32 || scale == SCALE_IMM64;}
@ -240,6 +239,8 @@ private:
u8 scale;
u16 offsetOrBaseReg;
u16 indexReg;
u64 offset; // use RIP-relative as much as possible - 64-bit immediates are not available.
u16 operandReg;
};
inline OpArg M(const void *ptr) {return OpArg((u64)ptr, (int)SCALE_RIP);}