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stack overflow instructions could be wiped out by Restore.

This commit is contained in:
Vitor Santos Costa 2009-05-12 17:01:53 -05:00
parent 39ccbd345d
commit 13e2febd30
1 changed files with 20 additions and 15 deletions
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35
C/c_interface.c
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@ -1905,6 +1905,7 @@ YAP_CompileClause(Term t)
BACKUP_MACHINE_REGS();
/* allow expansion during stack initialization */
Yap_ErrorMessage = NULL;
ARG1 = t;
YAPEnterCriticalSection();
@ -2001,21 +2002,9 @@ YAP_Init(YAP_init_args *yap_init)
return YAP_BOOT_FROM_SAVED_ERROR;;
}
#endif
if (yap_init->MaxStackSize) {
Yap_AllowLocalExpansion = FALSE;
} else {
Yap_AllowLocalExpansion = TRUE;
}
if (yap_init->MaxGlobalSize) {
Yap_AllowGlobalExpansion = FALSE;
} else {
Yap_AllowGlobalExpansion = TRUE;
}
if (yap_init->MaxTrailSize) {
Yap_AllowTrailExpansion = FALSE;
} else {
Yap_AllowTrailExpansion = TRUE;
}
Yap_AllowGlobalExpansion = TRUE;
Yap_AllowLocalExpansion = TRUE;
Yap_AllowTrailExpansion = TRUE;
Yap_InitExStacks (Trail, Stack);
if (yap_init->QuietMode) {
yap_flags[QUIET_MODE_FLAG] = TRUE;
@ -2082,6 +2071,22 @@ YAP_Init(YAP_init_args *yap_init)
#endif /* YAPOR || TABLING */
RECOVER_MACHINE_REGS();
}
/* make sure we do this after restore */
if (yap_init->MaxStackSize) {
Yap_AllowLocalExpansion = FALSE;
} else {
Yap_AllowLocalExpansion = TRUE;
}
if (yap_init->MaxGlobalSize) {
Yap_AllowGlobalExpansion = FALSE;
} else {
Yap_AllowGlobalExpansion = TRUE;
}
if (yap_init->MaxTrailSize) {
Yap_AllowTrailExpansion = FALSE;
} else {
Yap_AllowTrailExpansion = TRUE;
}
if (yap_init->YapPrologRCFile) {
Yap_PutValue(AtomConsultOnBoot, MkAtomTerm(Yap_LookupAtom(yap_init->YapPrologRCFile)));
/*