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ntdll: Fix debug exceptions from VM86. 

- Set ContextFlags accordingly in save_vm86_context().
- Raise debug exceptions correctly for debug exceptions.
- Do not clear TF bit for VM86-generated debug exceptions.
This commit is contained in:
Petr Tesarik 2006-03-27 10:12:02 +02:00 committed by Alexandre Julliard
parent 2fb1ac8611
commit e748a77e1a
1 changed files with 3 additions and 3 deletions
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6
dlls/ntdll/signal_i386.c
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@ -531,6 +531,7 @@ static inline TEB *get_current_teb(void)
*/
static void save_vm86_context( CONTEXT *context, const struct vm86plus_struct *vm86 )
{
context->ContextFlags = CONTEXT_FULL;
context->Eax = vm86->regs.eax;
context->Ebx = vm86->regs.ebx;
context->Ecx = vm86->regs.ecx;
@ -1528,7 +1529,7 @@ void __wine_enter_vm86( CONTEXT *context )
case VM86_TRAP: /* return due to DOS-debugger request */
switch(VM86_ARG(res))
{
case TRAP_x86_TRCTRAP: /* Single-step exception, single step flag is cleared by raise_trap_exception */
case TRAP_x86_TRCTRAP: /* Single-step exception */
rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
break;
case TRAP_x86_BPTFLT: /* Breakpoint exception */
@ -1538,8 +1539,7 @@ void __wine_enter_vm86( CONTEXT *context )
rec.ExceptionCode = EXCEPTION_BREAKPOINT;
break;
}
raise_trap_exception( &rec, context );
continue;
break;
case VM86_INTx: /* int3/int x instruction (ARG = x) */
rec.ExceptionCode = EXCEPTION_VM86_INTx;
rec.NumberParameters = 1;