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Fix XBEGIN C7 F8 decoding #376

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Fix XBEGIN C7 F8 decoding #376

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4 changes: 2 additions & 2 deletions src/disasm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -755,9 +755,9 @@ PBYTE CDetourDis::CopyC7(REFCOPYENTRY pEntry, PBYTE pbDst, PBYTE pbSrc)
{
(void)pEntry;

// C7 /7 is XBEGIN rel32 (or rel16 with 66 prefix).
// C7 F8 is XBEGIN rel32 (or rel16 with 66 prefix).
// It has a relative displacement that must be relocated like CALL/JMP.
if (0x38 == (0x38 & pbSrc[1])) { // reg(bits 543) of ModR/M == 111
if (pbSrc[1] == 0xF8) {
static const COPYENTRY ce = /* c7 /7 */ { 6, 4, 0, 2, 0, &CDetourDis::CopyBytes };
return (this->*ce.pfCopy)(&ce, pbDst, pbSrc);
}
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