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ntdll: Save all segment registers on x86_64. Implement set_cpu_context.

This commit is contained in:
Alexandre Julliard 2009-05-01 18:01:51 +02:00
parent 9968d84973
commit a950910eec
1 changed files with 26 additions and 4 deletions
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30
dlls/ntdll/signal_x86_64.c
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@ -195,9 +195,21 @@ static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
context->SegFs = FS_sig(sigcontext);
context->SegGs = GS_sig(sigcontext);
context->EFlags = EFL_sig(sigcontext);
context->SegDs = 0; /* FIXME */
context->SegEs = 0; /* FIXME */
context->SegSs = 0; /* FIXME */
#ifdef DS_sig
context->SegDs = DS_sig(sigcontext);
#else
__asm__("movw %%ds,%0" : "=m" (context->SegDs));
#endif
#ifdef ES_sig
context->SegEs = ES_sig(sigcontext);
#else
__asm__("movw %%es,%0" : "=m" (context->SegEs));
#endif
#ifdef SS_sig
context->SegSs = SS_sig(sigcontext);
#else
__asm__("movw %%ss,%0" : "=m" (context->SegSs));
#endif
context->MxCsr = 0; /* FIXME */
if (FPU_sig(sigcontext))
{
@ -235,6 +247,15 @@ static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
FS_sig(sigcontext) = context->SegFs;
GS_sig(sigcontext) = context->SegGs;
EFL_sig(sigcontext) = context->EFlags;
#ifdef DS_sig
DS_sig(sigcontext) = context->SegDs;
#endif
#ifdef ES_sig
ES_sig(sigcontext) = context->SegEs;
#endif
#ifdef SS_sig
SS_sig(sigcontext) = context->SegSs;
#endif
if (FPU_sig(sigcontext)) *FPU_sig(sigcontext) = context->u.FltSave;
}
@ -256,7 +277,8 @@ DEFINE_REGS_ENTRYPOINT( RtlCaptureContext, 1 )
*/
void set_cpu_context( const CONTEXT *context )
{
FIXME("not implemented\n");
extern void CDECL __wine_restore_regs( const CONTEXT * ) DECLSPEC_NORETURN;
__wine_restore_regs( context );
}