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Clear invalid selectors also in CallTo16 relay code.

This commit is contained in:
Ulrich Weigand 1999-04-10 16:30:12 +00:00 committed by Alexandre Julliard
parent 26ad2412f6
commit a95b4886e9
1 changed files with 13 additions and 9 deletions
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22
miscemu/instr.c
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@ -36,6 +36,7 @@
/* For invalid registers fixup */
extern DWORD CallFrom16_Start,CallFrom16_End;
extern DWORD CALLTO16_Start,CALLTO16_End;
/***********************************************************************
@ -51,15 +52,18 @@ extern DWORD CallFrom16_Start,CallFrom16_End;
*/
static BOOL INSTR_ReplaceSelector( SIGCONTEXT *context, WORD *sel )
{
if (IS_SELECTOR_SYSTEM(CS_sig(context)) &&
(EIP_sig(context) >= (DWORD)&CallFrom16_Start) &&
(EIP_sig(context) < (DWORD)&CallFrom16_End))
{
/* Saved selector may have become invalid when the relay code */
/* tries to restore it. We simply clear it. */
*sel = 0;
return TRUE;
}
if ( IS_SELECTOR_SYSTEM(CS_sig(context)) )
if ( ( EIP_sig(context) >= (DWORD)&CallFrom16_Start &&
EIP_sig(context) < (DWORD)&CallFrom16_End )
|| ( EIP_sig(context) >= (DWORD)&CALLTO16_Start &&
EIP_sig(context) < (DWORD)&CALLTO16_End ) )
{
/* Saved selector may have become invalid when the relay code */
/* tries to restore it. We simply clear it. */
*sel = 0;
return TRUE;
}
if (*sel == 0x40)
{
static WORD sys_timer = 0;