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#include "Flags.h"
PNATIVE_CODE_LINK FlgEmitPushfqInst()
{
UCHAR RawData[] = { 0x9C };
PNATIVE_CODE_LINK Link = new NATIVE_CODE_LINK(CODE_FLAG_IS_INST, RawData, 1);
XedDecode(&Link->XedInstruction, Link->RawData, 1);
return Link;
}
PNATIVE_CODE_LINK FlgEmitPopfqInst()
{
UCHAR RawData[] = { 0x9D };
PNATIVE_CODE_LINK Link = new NATIVE_CODE_LINK(CODE_FLAG_IS_INST, RawData, 1);
XedDecode(&Link->XedInstruction, Link->RawData, 1);
return Link;
}
BOOL FlgAreFlagsClobbered(PNATIVE_CODE_LINK Inst, PNATIVE_CODE_LINK Stop)
{
XED_FLAG_SET Ledger;
CONST XED_SIMPLE_FLAG* SimpleFlags = XedDecodedInstGetRflagsInfo(&Inst->XedInstruction);
CONST XED_FLAG_SET* _Ledger1 = XedSimpleFlagGetWrittenFlagSet(SimpleFlags);
CONST XED_FLAG_SET* _Ledger2 = XedSimpleFlagGetUndefinedFlagSet(SimpleFlags);
Ledger.flat = (_Ledger1->flat | _Ledger2->flat);
for (PNATIVE_CODE_LINK T = Inst->Next; T && T != Stop; T = T->Next)
{
if (T->Flags & CODE_FLAG_IS_LABEL)
continue;
CONST XED_SIMPLE_FLAG* InstFlags = XedDecodedInstGetRflagsInfo(&T->XedInstruction);
CONST XED_FLAG_SET* FlagsRead = XedSimpleFlagGetReadFlagSet(InstFlags);
if (FlagsRead->flat & Ledger.flat)
return FALSE;
CONST XED_FLAG_SET* FlagsWritten = XedSimpleFlagGetWrittenFlagSet(InstFlags);
CONST XED_FLAG_SET* FlagsUndefined = XedSimpleFlagGetUndefinedFlagSet(InstFlags);
Ledger.flat &= ~(Ledger.flat & (FlagsWritten->flat | FlagsUndefined->flat));
}
return TRUE;
}