diogo/yap-6.3
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fix bad messup with program counter (obs from Ingo Molnar).q

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This commit is contained in:
Vitor Santos Costa 2010-08-17 13:02:50 +01:00
parent 3e6ce40eb1
commit ace9025c10
1 changed files with 18 additions and 11 deletions
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29
C/absmi.c
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@ -7563,21 +7563,28 @@ Yap_absmi(int inp)
}
/* for slots to work */
#endif /* FROZEN_STACKS */
Yap_StartSlots();
Yap_PrologMode = UserCCallMode;
{
PredEntry *p = PREG->u.Osbpp.p;
/* make sure that we can still have access to our old PREG after calling user defined goals and backtracking or failing */
yamop *savedP;
PREG = NEXTOP(PREG, Osbpp);
saveregs();
save_machine_regs();
Yap_StartSlots();
Yap_PrologMode = UserCCallMode;
{
PredEntry *p = PREG->u.Osbpp.p;
SREG = (CELL *) YAP_Execute(p, p->cs.f_code);
PREG = NEXTOP(PREG, Osbpp);
savedP = PREG;
saveregs();
save_machine_regs();
SREG = (CELL *) YAP_Execute(p, p->cs.f_code);
}
Yap_CloseSlots();
setregs();
Yap_PrologMode = UserMode;
restore_machine_regs();
PREG = savedP;
}
Yap_CloseSlots();
setregs();
Yap_PrologMode = UserMode;
restore_machine_regs();
if (EX) {
struct DB_TERM *exp = EX;
EX = NULL;