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yap-6.3/H/rheap.h
2009-11-20 00:30:36 +00:00

1586 lines
40 KiB
C

/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: rheap.h *
* comments: walk through heap code *
* *
* Last rev: $Date: 2008-08-07 20:51:23 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.99 2008/07/22 23:34:49 vsc
* SWI and module fixes
*
* Revision 1.98 2008/05/12 22:31:37 vsc
* fix previous fixes
*
* Revision 1.97 2008/05/12 14:04:23 vsc
* updates to restore
*
* Revision 1.96 2008/04/11 16:58:17 ricroc
* yapor: seq_def initialization
*
* Revision 1.95 2008/04/06 12:06:48 vsc
* more small fixes
*
* Revision 1.94 2008/04/06 11:53:02 vsc
* fix some restore bugs
*
* Revision 1.93 2008/04/04 09:10:02 vsc
* restore was restoring twice
*
* Revision 1.92 2008/04/03 11:34:47 vsc
* fix restorebb in cases entry key is not an atom (obs from Nicos
* Angelopoulos)
*
* Revision 1.91 2008/04/01 15:31:43 vsc
* more saved state fixes
*
* Revision 1.90 2008/04/01 14:09:43 vsc
* improve restore
*
* Revision 1.89 2008/04/01 09:41:05 vsc
* more fixes to restore
*
* Revision 1.88 2008/04/01 08:42:46 vsc
* fix restore and small VISTA thingies
*
* Revision 1.87 2008/03/25 22:03:14 vsc
* fix some icc warnings
*
* Revision 1.86 2008/03/25 16:45:53 vsc
* make or-parallelism compile again
*
* Revision 1.85 2008/02/12 17:03:52 vsc
* SWI-portability changes
*
* Revision 1.84 2008/02/07 21:39:51 vsc
* fix case where predicate is for an integer (DBEntry).
*
* Revision 1.83 2008/01/23 17:57:55 vsc
* valgrind it!
* enable atom garbage collection.
*
* Revision 1.82 2007/12/05 12:17:23 vsc
* improve JT
* fix graph compatibility with SICStus
* re-export declaration.
*
* Revision 1.81 2007/11/26 23:43:09 vsc
* fixes to support threads and assert correctly, even if inefficiently.
*
* Revision 1.80 2007/11/07 09:35:53 vsc
* small fix
*
* Revision 1.79 2007/11/07 09:25:27 vsc
* speedup meta-calls
*
* Revision 1.78 2007/11/06 17:02:12 vsc
* compile ground terms away.
*
* Revision 1.77 2007/10/10 09:44:24 vsc
* some more fixes to make YAP swi compatible
* fix absolute_file_name (again)
* fix setarg
*
* Revision 1.76 2007/09/28 23:18:17 vsc
* handle learning from interpretations.
*
* Revision 1.75 2007/04/10 22:13:21 vsc
* fix max modules limitation
*
* Revision 1.74 2007/03/22 11:12:21 vsc
* make sure that YAP_Restart does not restart a failed goal.
*
* Revision 1.73 2007/02/18 00:26:36 vsc
* fix atom garbage collector (although it is still off by default)
* make valgrind feel better
*
* Revision 1.72 2007/01/08 08:27:19 vsc
* fix restore (Trevor)
* make indexing a bit faster on IDB
*
* Revision 1.71 2006/11/27 17:42:03 vsc
* support for UNICODE, and other bug fixes.
*
* Revision 1.70 2006/08/25 19:50:35 vsc
* global data structures
*
* Revision 1.69 2006/08/22 16:12:46 vsc
* global variables
*
* Revision 1.68 2006/08/02 18:18:30 vsc
* preliminary support for readutil library (SWI compatible).
*
* Revision 1.67 2006/05/17 18:38:11 vsc
* make system library use true file name
*
* Revision 1.66 2006/04/28 15:48:33 vsc
* do locking on streams
*
* Revision 1.65 2006/04/28 13:23:23 vsc
* fix number of overflow bugs affecting threaded version
* make current_op faster.
*
* Revision 1.64 2006/03/22 20:07:28 vsc
* take better care of zombies
*
* Revision 1.63 2006/03/06 14:04:56 vsc
* fixes to garbage collector
* fixes to debugger
*
* Revision 1.62 2006/02/24 14:03:42 vsc
* fix refs to old LogUpd implementation (pre 5).
*
* Revision 1.61 2006/01/02 02:16:18 vsc
* support new interface between YAP and GMP, so that we don't rely on our own
* allocation routines.
* Several big fixes.
*
* Revision 1.60 2005/12/17 03:25:39 vsc
* major changes to support online event-based profiling
* improve error discovery and restart on scanner.
*
* Revision 1.59 2005/12/05 17:16:11 vsc
* write_depth/3
* overflow handlings and garbage collection
* Several ipdates to CLPBN
* dif/2 could be broken in the presence of attributed variables.
*
* Revision 1.58 2005/11/23 03:01:33 vsc
* fix several bugs in save/restore.b
*
* Revision 1.57 2005/10/28 17:38:50 vsc
* sveral updates
*
* Revision 1.56 2005/10/21 16:09:03 vsc
* SWI compatible module only operators
*
* Revision 1.55 2005/10/19 19:00:48 vsc
* extend arrays with nb_terms so that we can implement nb_ builtins
* correctly.
*
* Revision 1.54 2005/09/09 17:24:39 vsc
* a new and hopefully much better implementation of atts.
*
* Revision 1.53 2005/08/01 15:40:38 ricroc
* TABLING NEW: better support for incomplete tabling
*
* Revision 1.52 2005/07/06 19:34:11 ricroc
* TABLING: answers for completed calls can now be obtained by loading (new option) or executing (default) them from the trie data structure.
*
* Revision 1.51 2005/07/06 15:10:15 vsc
* improvements to compiler: merged instructions and fixes for ->
*
* Revision 1.50 2005/06/01 13:53:46 vsc
* improve bb routines to use the DB efficiently
* change interface between DB and BB.
*
* Revision 1.49 2005/05/30 03:26:37 vsc
* add some atom gc fixes
*
* Revision 1.48 2005/01/04 02:50:21 vsc
* - allow MegaClauses with blobs
* - change Diffs to be thread specific
* - include Christian's updates
*
* Revision 1.47 2004/12/02 06:06:47 vsc
* fix threads so that they at least start
* allow error handling to work with threads
* replace heap_base by Yap_heap_base, according to Yap's convention for globals.
*
* Revision 1.46 2004/11/23 21:16:21 vsc
* A few extra fixes for saved states.
*
* Revision 1.45 2004/10/26 20:16:18 vsc
* More bug fixes for overflow handling
*
* Revision 1.44 2004/10/06 16:55:47 vsc
* change configure to support big mem configs
* get rid of extra globals
* fix trouble with multifile preds
*
* Revision 1.43 2004/09/27 20:45:04 vsc
* Mega clauses
* Fixes to sizeof(expand_clauses) which was being overestimated
* Fixes to profiling+indexing
* Fixes to reallocation of memory after restoring
* Make sure all clauses, even for C, end in _Ystop
* Don't reuse space for Streams
* Fix Stream_F on StreaNo+1
*
* Revision 1.42 2004/06/05 03:37:00 vsc
* coroutining is now a part of attvars.
* some more fixes.
*
* Revision 1.41 2004/04/29 03:45:50 vsc
* fix garbage collection in execute_tail
*
* Revision 1.40 2004/03/31 01:03:10 vsc
* support expand group of clauses
*
* Revision 1.39 2004/03/19 11:35:42 vsc
* trim_trail for default machine
* be more aggressive about try-retry-trust chains.
* - handle cases where block starts with a wait
* - don't use _killed instructions, just let the thing rot by itself.
* *
* *
*************************************************************************/
#ifdef SCCS
static char SccsId[] = "@(#)rheap.c 1.3 3/15/90";
#endif
#define Atomics 0
#define Funcs 1
static Term
ConstantTermAdjust (Term t)
{
if (IsAtomTerm(t))
return AtomTermAdjust(t);
else if (IsIntTerm(t))
return t;
else if (IsApplTerm(t))
return BlobTermAdjust(t);
else if (IsPairTerm(t))
return CodeComposedTermAdjust(t);
else return t;
}
/* Now, everything on its place so you must adjust the pointers */
static void
do_clean_susp_clauses(yamop *ipc) {
COUNT i;
yamop **st = (yamop **)NEXTOP(ipc,sssllp);
ipc->opc = Yap_opcode(_expand_clauses);
ipc->u.sssllp.p = PtoPredAdjust(ipc->u.sssllp.p);
if (ipc->u.sssllp.sprev) {
ipc->u.sssllp.sprev = PtoOpAdjust(ipc->u.sssllp.sprev);
}
if (ipc->u.sssllp.snext) {
ipc->u.sssllp.snext = PtoOpAdjust(ipc->u.sssllp.snext);
}
for (i = 0; i < ipc->u.sssllp.s1; i++, st++) {
if (*st) {
*st = PtoOpAdjust(*st);
}
}
}
static void
AdjustSwitchTable(op_numbers op, yamop *table, COUNT i)
{
CELL *startcode = (CELL *)table;
switch (op) {
case _switch_on_func:
{
COUNT j;
CELL *oldcode;
oldcode = startcode;
for (j = 0; j < i; j++) {
Functor oldfunc = (Functor)(oldcode[0]);
CODEADDR oldjmp = (CODEADDR)(oldcode[1]);
if (oldfunc) {
oldcode[0] = (CELL)FuncAdjust(oldfunc);
}
oldcode[1] = (CELL)CodeAddrAdjust(oldjmp);
oldcode += 2;
}
rehash(startcode, i, Funcs);
}
break;
case _switch_on_cons:
{
COUNT j;
CELL *oldcode;
#if !defined(USE_OFFSETS)
oldcode = startcode;
#endif
for (j = 0; j < i; j++) {
Term oldcons = oldcode[0];
CODEADDR oldjmp = (CODEADDR)(oldcode[1]);
if (oldcons != 0x0 && IsAtomTerm(oldcons)) {
oldcode[0] = AtomTermAdjust(oldcons);
}
oldcode[1] = (CELL)CodeAddrAdjust(oldjmp);
oldcode += 2;
}
#if !USE_OFFSETS
rehash(startcode, i, Atomics);
#endif
}
break;
case _go_on_func:
{
Functor oldfunc = (Functor)(startcode[0]);
startcode[0] = (CELL)FuncAdjust(oldfunc);
startcode[1] = (CELL)CodeAddrAdjust((CODEADDR)startcode[1]);
startcode[3] = (CELL)CodeAddrAdjust((CODEADDR)startcode[3]);
}
break;
case _go_on_cons:
{
Term oldcons = startcode[0];
if (IsAtomTerm(oldcons)) {
startcode[0] = AtomTermAdjust(oldcons);
}
startcode[1] = (CELL)CodeAddrAdjust((CODEADDR)startcode[1]);
startcode[3] = (CELL)CodeAddrAdjust((CODEADDR)startcode[3]);
}
break;
case _if_func:
{
Int j;
for (j = 0; j < i; j++) {
Functor oldfunc = (Functor)(startcode[0]);
CODEADDR oldjmp = (CODEADDR)(startcode[1]);
startcode[0] = (CELL)FuncAdjust(oldfunc);
startcode[1] = (CELL)CodeAddrAdjust(oldjmp);
startcode += 2;
}
/* adjust fail code */
startcode[1] = (CELL)CodeAddrAdjust((CODEADDR)startcode[1]);
}
break;
case _if_cons:
{
Int j;
for (j = 0; j < i; j++) {
Term oldcons = startcode[0];
CODEADDR oldjmp = (CODEADDR)(startcode[1]);
if (IsAtomTerm(oldcons)) {
startcode[0] = (CELL)AtomTermAdjust(oldcons);
}
startcode[1] = (CELL)CodeAddrAdjust(oldjmp);
startcode += 2;
}
/* adjust fail code */
startcode[1] = (CELL)CodeAddrAdjust((CODEADDR)startcode[1]);
}
break;
default:
Yap_Error(INTERNAL_ERROR,0L,"Opcode Not Implemented in AdjustSwitchTable");
}
}
STATIC_PROTO(void RestoreAtomList, (Atom));
STATIC_PROTO(void RestoreAtom, (AtomEntry *));
static void
RestoreAtoms(void)
{
AtomHashEntry *HashPtr;
register int i;
Yap_heap_regs->hash_chain =
PtoAtomHashEntryAdjust(Yap_heap_regs->hash_chain);
HashPtr = HashChain;
for (i = 0; i < AtomHashTableSize; ++i) {
HashPtr->Entry = AtomAdjust(HashPtr->Entry);
RestoreAtomList(HashPtr->Entry);
HashPtr++;
}
}
static void
RestoreWideAtoms(void)
{
AtomHashEntry *HashPtr;
register int i;
Yap_heap_regs->wide_hash_chain =
PtoAtomHashEntryAdjust(Yap_heap_regs->wide_hash_chain);
HashPtr = WideHashChain;
for (i = 0; i < WideAtomHashTableSize; ++i) {
HashPtr->Entry = AtomAdjust(HashPtr->Entry);
RestoreAtomList(HashPtr->Entry);
HashPtr++;
}
}
static void
RestoreInvisibleAtoms(void)
{
INVISIBLECHAIN.Entry = AtomAdjust(INVISIBLECHAIN.Entry);
RestoreAtomList(INVISIBLECHAIN.Entry);
RestoreAtom(RepAtom(AtomFoundVar));
RestoreAtom(RepAtom(AtomFreeTerm));
}
#include "rclause.h"
/* adjusts terms stored in the data base, when they have no variables */
static Term
AdjustDBTerm(Term trm, Term *p_base)
{
if (IsVarTerm(trm))
return CodeVarAdjust(trm);
if (IsAtomTerm(trm))
return AtomTermAdjust(trm);
if (IsPairTerm(trm)) {
Term *p;
Term out;
p = PtoHeapCellAdjust(RepPair(trm));
out = AbsPair(p);
loop:
if (p >= p_base) {
p[0] = AdjustDBTerm(p[0], p);
if (IsPairTerm(p[1])) {
/* avoid term recursion with very deep lists */
Term *newp = PtoHeapCellAdjust(RepPair(p[1]));
p[1] = AbsPair(newp);
p_base = p;
p = newp;
goto loop;
} else {
p[1] = AdjustDBTerm(p[1], p);
}
}
return out;
}
if (IsApplTerm(trm)) {
Term *p;
Functor f;
Term *p0 = p = PtoHeapCellAdjust(RepAppl(trm));
/* if it is before the current position, then we are looking
at old code */
if (p >= p_base) {
f = (Functor)p[0];
if (!IsExtensionFunctor(f)) {
UInt Arity, i;
f = FuncAdjust(f);
*p++ = (Term)f;
Arity = ArityOfFunctor(f);
for (i = 0; i < Arity; ++i) {
*p = AdjustDBTerm(*p, p0);
p++;
}
}
}
return AbsAppl(p0);
}
return trm;
}
static void
RestoreDBTerm(DBTerm *dbr, int attachments)
{
if (attachments) {
#ifdef COROUTINING
if (dbr->ag.attachments)
dbr->ag.attachments = AdjustDBTerm(dbr->ag.attachments, dbr->Contents);
#endif
} else {
if (dbr->ag.NextDBT)
dbr->ag.NextDBT = DBTermAdjust(dbr->ag.NextDBT);
}
if (dbr->DBRefs != NULL) {
DBRef *cp;
DBRef tm;
dbr->DBRefs = DBRefPAdjust(dbr->DBRefs);
cp = dbr->DBRefs;
while ((tm = *--cp) != 0)
*cp = DBRefAdjust(tm);
}
dbr->Entry = AdjustDBTerm(dbr->Entry, dbr->Contents);
}
/* Restoring the heap */
/* Restores a prolog clause, in its compiled form */
static void
RestoreStaticClause(StaticClause *cl)
/*
* Cl points to the start of the code, IsolFlag tells if we have a single
* clause for this predicate or not
*/
{
if (cl->ClFlags & FactMask) {
cl->usc.ClPred = PtoPredAdjust(cl->usc.ClPred);
} else {
cl->usc.ClSource = DBTermAdjust(cl->usc.ClSource);
}
if (cl->ClNext) {
cl->ClNext = PtoStCAdjust(cl->ClNext);
}
restore_opcodes(cl->ClCode, NULL);
}
/* Restores a prolog clause, in its compiled form */
static void
RestoreMegaClause(MegaClause *cl)
/*
* Cl points to the start of the code, IsolFlag tells if we have a single
* clause for this predicate or not
*/
{
UInt ncls, i;
yamop *ptr;
cl->ClPred = PtoPredAdjust(cl->ClPred);
if (cl->ClNext) {
cl->ClNext = (MegaClause *)AddrAdjust((ADDR)(cl->ClNext));
}
ncls = cl->ClPred->cs.p_code.NOfClauses;
for (i = 0, ptr = cl->ClCode; i < ncls; i++) {
yamop *nextptr = (yamop *)((char *)ptr + cl->ClItemSize);
restore_opcodes(ptr, nextptr);
ptr = nextptr;
}
}
/* Restores a prolog clause, in its compiled form */
static void
RestoreDynamicClause(DynamicClause *cl, PredEntry *pp)
/*
* Cl points to the start of the code, IsolFlag tells if we have a single
* clause for this predicate or not
*/
{
if (cl->ClPrevious != NULL) {
cl->ClPrevious = PtoOpAdjust(cl->ClPrevious);
}
INIT_LOCK(cl->ClLock);
restore_opcodes(cl->ClCode, NULL);
}
/* Restores a prolog clause, in its compiled form */
static void
RestoreLUClause(LogUpdClause *cl, PredEntry *pp)
/*
* Cl points to the start of the code, IsolFlag tells if we have a single
* clause for this predicate or not
*/
{
// INIT_LOCK(cl->ClLock);
if (cl->ClFlags & LogUpdRuleMask) {
cl->ClExt = PtoOpAdjust(cl->ClExt);
}
if (cl->ClSource) {
cl->ClSource = DBTermAdjust(cl->ClSource);
RestoreDBTerm(cl->ClSource, TRUE);
}
if (cl->ClPrev) {
cl->ClPrev = PtoLUCAdjust(cl->ClPrev);
}
if (cl->ClNext) {
cl->ClNext = PtoLUCAdjust(cl->ClNext);
}
cl->ClPred = PtoPredAdjust(cl->ClPred);
restore_opcodes(cl->ClCode, NULL);
}
static void
RestoreDBTermEntry(struct dbterm_list *dbl) {
DBTerm *dbt;
if (dbl->dbterms)
dbt = dbl->dbterms = DBTermAdjust(dbl->dbterms);
else
return;
dbl->clause_code = PtoOpAdjust(dbl->clause_code);
if (dbl->next_dbl)
dbl->next_dbl = PtoDBTLAdjust(dbl->next_dbl);
dbl->p = PredEntryAdjust(dbl->p);
while (dbt) {
RestoreDBTerm(dbt, FALSE);
dbt = dbt->ag.NextDBT;
}
}
static void
CleanLUIndex(LogUpdIndex *idx, int recurse)
{
// INIT_LOCK(idx->ClLock);
idx->ClPred = PtoPredAdjust(idx->ClPred);
if (idx->ParentIndex)
idx->ParentIndex = LUIndexAdjust(idx->ParentIndex);
if (idx->PrevSiblingIndex) {
idx->PrevSiblingIndex = LUIndexAdjust(idx->PrevSiblingIndex);
}
if (idx->SiblingIndex) {
idx->SiblingIndex = LUIndexAdjust(idx->SiblingIndex);
if (recurse)
CleanLUIndex(idx->SiblingIndex, TRUE);
}
if (idx->ChildIndex) {
idx->ChildIndex = LUIndexAdjust(idx->ChildIndex);
if (recurse)
CleanLUIndex(idx->ChildIndex, TRUE);
}
if (!(idx->ClFlags & SwitchTableMask)) {
restore_opcodes(idx->ClCode, NULL);
}
}
static void
CleanSIndex(StaticIndex *idx, int recurse)
{
idx->ClPred = PtoPredAdjust(idx->ClPred);
if (idx->SiblingIndex) {
idx->SiblingIndex = SIndexAdjust(idx->SiblingIndex);
if (recurse)
CleanSIndex(idx->SiblingIndex, TRUE);
}
if (idx->ChildIndex) {
idx->ChildIndex = SIndexAdjust(idx->ChildIndex);
if (recurse)
CleanSIndex(idx->ChildIndex, TRUE);
}
if (!(idx->ClFlags & SwitchTableMask)) {
restore_opcodes(idx->ClCode, NULL);
}
}
static void
RestorePredHash(void)
{
PredHash = PtoPtoPredAdjust(PredHash);
if (PredHash == NULL) {
Yap_Error(FATAL_ERROR,MkIntTerm(0),"restore should find predicate hash table");
}
REINIT_RWLOCK(PredHashRWLock);
/* RestoreHashPreds() does most of the work */
}
static void
RestoreEnvInst(yamop start[2], yamop **instp, op_numbers opc, PredEntry *pred)
{
yamop *ipc = start;
ipc->opc = Yap_opcode(_call);
ipc->u.Osbpp.p = pred;
ipc->u.Osbpp.p0 = pred;
ipc = NEXTOP(ipc, Osbpp);
ipc->opc = Yap_opcode(opc);
*instp = ipc;
}
static void
RestoreOtaplInst(yamop start[1], OPCODE opc, PredEntry *pe)
{
yamop *ipc = start;
/* this is a place holder, it should not really be used */
ipc->opc = Yap_opcode(opc);
ipc->u.Otapl.s = 0;
ipc->u.Otapl.p = pe;
if (ipc->u.Otapl.d)
ipc->u.Otapl.d = PtoOpAdjust(ipc->u.Otapl.d);
#ifdef YAPOR
INIT_YAMOP_LTT(ipc, 1);
#endif /* YAPOR */
#ifdef TABLING
ipc->u.Otapl.te = NULL;
#endif /* TABLING */
}
static void
RestoreDBTermsList(void)
{
if (Yap_heap_regs->dbterms_list) {
struct dbterm_list *dbl = PtoDBTLAdjust(Yap_heap_regs->dbterms_list);
Yap_heap_regs->dbterms_list = dbl;
while (dbl) {
RestoreDBTermEntry(dbl);
dbl = dbl->next_dbl;
}
}
}
static void
RestoreExpandList(void)
{
if (Yap_heap_regs->expand_clauses_first)
Yap_heap_regs->expand_clauses_first = PtoOpAdjust(Yap_heap_regs->expand_clauses_first);
if (Yap_heap_regs->expand_clauses_last)
Yap_heap_regs->expand_clauses_last = PtoOpAdjust(Yap_heap_regs->expand_clauses_last);
{
yamop *ptr = Yap_heap_regs->expand_clauses_first;
while (ptr) {
do_clean_susp_clauses(ptr);
ptr = ptr->u.sssllp.snext;
}
}
}
static void
RestoreUdiControlBlocks(void)
{
if (Yap_heap_regs->udi_control_blocks) {
Yap_Error(SYSTEM_ERROR, TermNil,
"YAP cannot restore UDI entries!!\n");
}
}
static void
RestoreIntKeys(void)
{
if (Yap_heap_regs->IntKeys != NULL) {
Yap_heap_regs->IntKeys = (Prop *)AddrAdjust((ADDR)(Yap_heap_regs->IntKeys));
{
UInt i;
for (i = 0; i < Yap_heap_regs->int_keys_size; i++) {
if (Yap_heap_regs->IntKeys[i] != NIL) {
Prop p0 = Yap_heap_regs->IntKeys[i] = PropAdjust(Yap_heap_regs->IntKeys[i]);
RestoreEntries(RepProp(p0), TRUE);
}
}
}
}
}
static void
RestoreIntLUKeys(void)
{
if (Yap_heap_regs->IntLUKeys != NULL) {
Yap_heap_regs->IntLUKeys = (Prop *)AddrAdjust((ADDR)(Yap_heap_regs->IntLUKeys));
{
Int i;
for (i = 0; i < INT_KEYS_SIZE; i++) {
Prop p0 = INT_LU_KEYS[i];
if (p0) {
p0 = PropAdjust(p0);
INT_LU_KEYS[i] = p0;
while (p0) {
PredEntry *pe = RepPredProp(p0);
pe->NextOfPE =
PropAdjust(pe->NextOfPE);
CleanCode(pe);
p0 = RepProp(pe->NextOfPE);
}
}
}
}
}
}
static void
RestoreIntBBKeys(void)
{
if (Yap_heap_regs->IntBBKeys != NULL) {
Yap_heap_regs->IntBBKeys = (Prop *)AddrAdjust((ADDR)(Yap_heap_regs->IntBBKeys));
{
UInt i;
for (i = 0; i < Yap_heap_regs->int_bb_keys_size; i++) {
if (Yap_heap_regs->IntBBKeys[i] != NIL) {
Prop p0 = Yap_heap_regs->IntBBKeys[i] = PropAdjust(Yap_heap_regs->IntBBKeys[i]);
RestoreEntries(RepProp(p0), TRUE);
}
}
}
}
}
static void
RestoreDBErasedMarker(void)
{
Yap_heap_regs->db_erased_marker =
DBRefAdjust(Yap_heap_regs->db_erased_marker);
Yap_heap_regs->db_erased_marker->id = FunctorDBRef;
Yap_heap_regs->db_erased_marker->Flags = ErasedMask;
Yap_heap_regs->db_erased_marker->Code = NULL;
Yap_heap_regs->db_erased_marker->DBT.DBRefs = NULL;
Yap_heap_regs->db_erased_marker->Parent = NULL;
}
static void
RestoreLogDBErasedMarker(void)
{
Yap_heap_regs->logdb_erased_marker =
PtoLUCAdjust(Yap_heap_regs->logdb_erased_marker);
Yap_heap_regs->logdb_erased_marker->Id = FunctorDBRef;
Yap_heap_regs->logdb_erased_marker->ClFlags = ErasedMask|LogUpdMask;
Yap_heap_regs->logdb_erased_marker->ClSource = NULL;
Yap_heap_regs->logdb_erased_marker->ClRefCount = 0;
Yap_heap_regs->logdb_erased_marker->ClPred = PredLogUpdClause;
Yap_heap_regs->logdb_erased_marker->ClExt = NULL;
Yap_heap_regs->logdb_erased_marker->ClPrev = NULL;
Yap_heap_regs->logdb_erased_marker->ClNext = NULL;
Yap_heap_regs->logdb_erased_marker->ClSize = (UInt)NEXTOP(((LogUpdClause *)NULL)->ClCode,e);
Yap_heap_regs->logdb_erased_marker->ClCode->opc = Yap_opcode(_op_fail);
INIT_CLREF_COUNT(Yap_heap_regs->logdb_erased_marker);
}
static void
RestoreDeadStaticClauses(void)
{
if (Yap_heap_regs->dead_static_clauses) {
StaticClause *sc = PtoStCAdjust(Yap_heap_regs->dead_static_clauses);
Yap_heap_regs->dead_static_clauses = sc;
while (sc) {
RestoreStaticClause(sc);
sc = sc->ClNext;
}
}
}
static void
RestoreDeadMegaClauses(void)
{
if (Yap_heap_regs->dead_mega_clauses) {
MegaClause *mc = (MegaClause *)AddrAdjust((ADDR)(Yap_heap_regs->dead_mega_clauses));
Yap_heap_regs->dead_mega_clauses = mc;
while (mc) {
RestoreMegaClause(mc);
mc = mc->ClNext;
}
}
}
static void
RestoreDeadStaticIndices(void)
{
if (Yap_heap_regs->dead_static_indices) {
StaticIndex *si = (StaticIndex *)AddrAdjust((ADDR)(Yap_heap_regs->dead_static_indices));
Yap_heap_regs->dead_static_indices = si;
while (si) {
CleanSIndex(si, FALSE);
si = si->SiblingIndex;
}
}
}
static void
RestoreDBErasedList(void)
{
if (Yap_heap_regs->db_erased_list) {
LogUpdClause *lcl = Yap_heap_regs->db_erased_list =
PtoLUCAdjust(Yap_heap_regs->db_erased_list);
while (lcl) {
RestoreLUClause(lcl, FALSE);
lcl = lcl->ClNext;
}
}
}
static void
RestoreDBErasedIList(void)
{
if (Yap_heap_regs->db_erased_ilist) {
LogUpdIndex *icl = Yap_heap_regs->db_erased_ilist =
LUIndexAdjust(Yap_heap_regs->db_erased_ilist);
while (icl) {
CleanLUIndex(icl, FALSE);
icl = icl->SiblingIndex;
}
}
}
static void
RestoreStreams(void)
{
if (Yap_heap_regs->yap_streams != NULL) {
int sno;
Yap_heap_regs->yap_streams =
(struct stream_desc *)AddrAdjust((ADDR)Yap_heap_regs->yap_streams);
for (sno = 0; sno < MaxStreams; ++sno) {
if (Stream[sno].status & Free_Stream_f)
continue;
if (Stream[sno].status & (Socket_Stream_f|Pipe_Stream_f|InMemory_Stream_f))
continue;
Stream[sno].u.file.user_name = AtomTermAdjust(Stream[sno].u.file.user_name);
Stream[sno].u.file.name = AtomAdjust(Stream[sno].u.file.name);
}
}
}
static void
RestoreAliases(void)
{
if (Yap_heap_regs->file_aliases != NULL) {
int i;
Yap_heap_regs->file_aliases =
(struct AliasDescS *)AddrAdjust((ADDR)Yap_heap_regs->file_aliases);
for (i = 0; i < NOfFileAliases; i++)
FileAliases[i].name = AtomAdjust(FileAliases[i].name);
}
}
static void
RestoreForeignCode(void)
{
ForeignObj *f_code;
if (!ForeignCodeLoaded)
return;
if (ForeignCodeLoaded != NULL)
ForeignCodeLoaded = (void *)AddrAdjust((ADDR)ForeignCodeLoaded);
f_code = ForeignCodeLoaded;
while (f_code != NULL) {
StringList objs, libs;
if (f_code->objs != NULL)
f_code->objs = (StringList)AddrAdjust((ADDR)f_code->objs);
objs = f_code->objs;
while (objs != NULL) {
if (objs->next != NULL)
objs->next = (StringList)AddrAdjust((ADDR)objs->next);
if (objs->s != NULL)
objs->s = (char *)AddrAdjust((ADDR)objs->s);
objs = objs->next;
}
if (f_code->libs != NULL)
f_code->libs = (StringList)AddrAdjust((ADDR)f_code->libs);
libs = f_code->libs;
while (libs != NULL) {
if (libs->next != NULL)
libs->next = (StringList)AddrAdjust((ADDR)libs->next);
if (libs->s != NULL)
libs->s = (char *)AddrAdjust((ADDR)libs->s);
libs = libs->next;
}
if (f_code->f != NULL)
f_code->f = (char *)AddrAdjust((ADDR)f_code->f);
if (f_code->next != NULL)
f_code->next = (ForeignObj *)AddrAdjust((ADDR)f_code->next);
f_code = f_code->next;
}
}
/* restore the failcodes */
static void
restore_codes(void)
{
Yap_heap_regs->heap_top = AddrAdjust(OldHeapTop);
#include "rhstruct.h"
#if !defined(THREADS) && !defined(YAPOR)
/* restore consult stack. It consists of heap pointers, so it
is easy to fix.
*/
Yap_heap_regs->wl.consultlow =
ConsultObjAdjust(Yap_heap_regs->wl.consultlow);
Yap_heap_regs->wl.consultbase =
ConsultObjAdjust(Yap_heap_regs->wl.consultbase);
Yap_heap_regs->wl.consultsp =
ConsultObjAdjust(Yap_heap_regs->wl.consultsp);
{
/* we assume all pointers have the same size */
register consult_obj *pt = Yap_heap_regs->wl.consultsp;
while (pt <
Yap_heap_regs->wl.consultlow+Yap_heap_regs->wl.consultcapacity) {
pt->p = PropAdjust(pt->p);
pt ++;
}
}
#endif
#if !defined(THREADS) && !defined(YAPOR)
if (Yap_heap_regs->wl.scratchpad.ptr) {
Yap_heap_regs->wl.scratchpad.ptr =
(char *)AddrAdjust((ADDR)Yap_heap_regs->wl.scratchpad.ptr);
}
Yap_heap_regs->wl.gc_generation =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.gc_generation)));
Yap_heap_regs->wl.gc_phase =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.gc_phase)));
/* current phase is an integer */
#endif
#ifdef COROUTINING
#if !defined(THREADS) && !defined(YAPOR)
Yap_heap_regs->wl.atts_mutable_list =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.atts_mutable_list)));
if (Yap_heap_regs->wl.dynamic_arrays) {
Yap_heap_regs->wl.dynamic_arrays =
PtoArrayEAdjust(Yap_heap_regs->wl.dynamic_arrays);
}
if (Yap_heap_regs->wl.static_arrays) {
Yap_heap_regs->wl.static_arrays =
PtoArraySAdjust(Yap_heap_regs->wl.static_arrays);
}
if (Yap_heap_regs->wl.global_variables) {
Yap_heap_regs->wl.global_variables =
PtoGlobalEAdjust(Yap_heap_regs->wl.global_variables);
}
if (Yap_heap_regs->wl.global_arena) {
if (IsAtomTerm(Yap_heap_regs->wl.global_arena)) {
Yap_heap_regs->wl.global_arena =
AtomTermAdjust(Yap_heap_regs->wl.global_arena);
} else {
Yap_heap_regs->wl.global_arena =
AbsAppl(PtoGloAdjust(RepAppl(Yap_heap_regs->wl.global_arena)));
}
}
if (Yap_heap_regs->wl.global_delay_arena) {
Yap_heap_regs->wl.global_delay_arena =
GlobalAdjust(Yap_heap_regs->wl.global_delay_arena);
}
Yap_heap_regs->wl.allow_restart = FALSE;
#endif
#endif
}
static void
RestoreDBEntry(DBRef dbr)
{
#ifdef DEBUG_RESTORE
fprintf(stderr, "Restoring at %x", dbr);
if (dbr->Flags & DBAtomic)
fprintf(stderr, " an atomic term\n");
else if (dbr->Flags & DBNoVars)
fprintf(stderr, " with no vars\n");
else if (dbr->Flags & DBComplex)
fprintf(stderr, " complex term\n");
else if (dbr->Flags & DBIsRef)
fprintf(stderr, " a ref\n");
else
fprintf(stderr, " a var\n");
#endif
RestoreDBTerm(&(dbr->DBT), TRUE);
if (dbr->Parent) {
dbr->Parent = (DBProp)AddrAdjust((ADDR)(dbr->Parent));
}
if (dbr->Code != NULL)
dbr->Code = PtoOpAdjust(dbr->Code);
if (dbr->Prev != NULL)
dbr->Prev = DBRefAdjust(dbr->Prev);
if (dbr->Next != NULL)
dbr->Next = DBRefAdjust(dbr->Next);
#ifdef DEBUG_RESTORE2
fprintf(stderr, "Recomputing masks\n");
#endif
recompute_mask(dbr);
}
/* Restores a DB structure, as it was saved in the heap */
static void
RestoreDB(DBEntry *pp)
{
register DBRef dbr;
if (pp->First != NULL)
pp->First = DBRefAdjust(pp->First);
if (pp->Last != NULL)
pp->Last = DBRefAdjust(pp->Last);
if (pp->ArityOfDB)
pp->FunctorOfDB = FuncAdjust(pp->FunctorOfDB);
else
pp->FunctorOfDB = (Functor) AtomAdjust((Atom)(pp->FunctorOfDB));
if (pp->F0 != NULL)
pp->F0 = DBRefAdjust(pp->F0);
if (pp->L0 != NULL)
pp->L0 = DBRefAdjust(pp->L0);
/* immediate update semantics */
dbr = pp->F0;
/* While we have something in the data base, even if erased, restore it */
while (dbr) {
RestoreDBEntry(dbr);
if (dbr->n != NULL)
dbr->n = DBRefAdjust(dbr->n);
if (dbr->p != NULL)
dbr->p = DBRefAdjust(dbr->p);
dbr = dbr->n;
}
}
/*
* Restores a group of clauses for the same predicate, starting with First
* and ending with Last, First may be equal to Last
*/
static void
CleanClauses(yamop *First, yamop *Last, PredEntry *pp)
{
if (pp->PredFlags & LogUpdatePredFlag) {
LogUpdClause *cl = ClauseCodeToLogUpdClause(First);
while (cl != NULL) {
RestoreLUClause(cl, pp);
cl = cl->ClNext;
}
} else if (pp->PredFlags & MegaClausePredFlag) {
MegaClause *cl = ClauseCodeToMegaClause(First);
RestoreMegaClause(cl);
} else if (pp->PredFlags & DynamicPredFlag) {
yamop *cl = First;
do {
RestoreDynamicClause(ClauseCodeToDynamicClause(cl), pp);
if (cl == Last) return;
cl = NextDynamicClause(cl);
} while (TRUE);
} else {
StaticClause *cl = ClauseCodeToStaticClause(First);
do {
RestoreStaticClause(cl);
if (cl->ClCode == Last) return;
cl = cl->ClNext;
} while (TRUE);
}
}
/* Restores a DB structure, as it was saved in the heap */
static void
RestoreBB(BlackBoardEntry *pp, int int_key)
{
Term t = pp->Element;
if (t) {
if (!IsVarTerm(t)) {
if (IsAtomicTerm(t)) {
if (IsAtomTerm(t)) {
pp->Element = AtomTermAdjust(t);
}
} else {
RestoreLUClause((LogUpdClause *)DBRefOfTerm(t),NULL);
}
}
}
if (!int_key) {
pp->KeyOfBB = AtomAdjust(pp->KeyOfBB);
}
if (pp->ModuleOfBB) {
pp->ModuleOfBB = AtomTermAdjust(pp->ModuleOfBB);
}
}
static void
restore_static_array(StaticArrayEntry *ae)
{
Int sz = -ae->ArrayEArity;
switch (ae->ArrayType) {
case array_of_ints:
case array_of_doubles:
case array_of_chars:
case array_of_uchars:
return;
case array_of_ptrs:
{
AtomEntry **base = (AtomEntry **)AddrAdjust((ADDR)(ae->ValueOfVE.ptrs));
Int i;
ae->ValueOfVE.ptrs = base;
if (ae != NULL) {
for (i=0; i<sz; i++) {
AtomEntry *reg = *base;
if (reg == NULL) {
base++;
} else if (IsOldCode((CELL)reg)) {
*base++ = AtomEntryAdjust(reg);
} else if (IsOldLocalInTR((CELL)reg)) {
*base++ = (AtomEntry *)LocalAddrAdjust((ADDR)reg);
} else if (IsOldGlobal((CELL)reg)) {
*base++ = (AtomEntry *)GlobalAddrAdjust((ADDR)reg);
} else if (IsOldTrail((CELL)reg)) {
*base++ = (AtomEntry *)TrailAddrAdjust((ADDR)reg);
} else {
/* oops */
base++;
}
}
}
}
return;
case array_of_atoms:
{
Term *base = (Term *)AddrAdjust((ADDR)(ae->ValueOfVE.atoms));
Int i;
ae->ValueOfVE.atoms = base;
if (ae != 0L) {
for (i=0; i<sz; i++) {
Term reg = *base;
if (reg == 0L) {
base++;
} else {
*base++ = AtomTermAdjust(reg);
}
}
}
}
return;
case array_of_dbrefs:
{
Term *base = (Term *)AddrAdjust((ADDR)(ae->ValueOfVE.dbrefs));
Int i;
ae->ValueOfVE.dbrefs = base;
if (ae != 0L) {
for (i=0; i<sz; i++) {
Term reg = *base;
if (reg == 0L) {
base++;
} else {
*base++ = AbsAppl(PtoHeapCellAdjust(RepAppl(reg)));
}
}
}
}
return;
case array_of_nb_terms:
{
live_term *base = (live_term *)AddrAdjust((ADDR)(ae->ValueOfVE.lterms));
Int i;
ae->ValueOfVE.lterms = base;
if (ae != 0L) {
for (i=0; i < sz; i++,base++) {
Term reg = base->tlive;
if (IsVarTerm(reg)) {
CELL *var = (CELL *)reg;
if (IsOldGlobalPtr(var)) {
base->tlive = (CELL)PtoGloAdjust(var);
} else {
base->tlive = (CELL)PtoHeapCellAdjust(var);
}
} else if (IsAtomTerm(reg)) {
base->tlive = AtomTermAdjust(reg);
} else if (IsApplTerm(reg)) {
CELL *db = RepAppl(reg);
db = PtoGloAdjust(db);
base->tlive = AbsAppl(db);
} else if (IsApplTerm(reg)) {
CELL *db = RepPair(reg);
db = PtoGloAdjust(db);
base->tlive = AbsPair(db);
}
reg = base->tstore;
if (IsVarTerm(reg)) {
base->tstore = (Term)GlobalAddrAdjust((ADDR)reg);
} else if (IsAtomTerm(reg)) {
base->tstore = AtomTermAdjust(reg);
} else {
DBTerm *db = (DBTerm *)RepAppl(reg);
db = DBTermAdjust(db);
RestoreDBTerm(db, TRUE);
base->tstore = AbsAppl((CELL *)db);
}
}
}
}
case array_of_terms:
{
DBTerm **base = (DBTerm **)AddrAdjust((ADDR)(ae->ValueOfVE.terms));
Int i;
ae->ValueOfVE.terms = base;
if (ae != 0L) {
for (i=0; i<sz; i++) {
DBTerm *reg = *base;
if (reg == NULL) {
base++;
} else {
*base++ = reg = DBTermAdjust(reg);
RestoreDBTerm(reg, TRUE);
}
}
}
}
return;
}
}
/*
* Clean all the code for a particular predicate, this can get a bit tricky,
* because of the indexing code
*/
static void
CleanCode(PredEntry *pp)
{
CELL flag;
/* Init takes care of the first 2 cases */
if (pp->ModuleOfPred) {
pp->ModuleOfPred = AtomTermAdjust(pp->ModuleOfPred);
}
if (pp->ArityOfPE) {
if (pp->ModuleOfPred == IDB_MODULE) {
if (pp->PredFlags & NumberDBPredFlag) {
/* it's an integer, do nothing */
} else if (pp->PredFlags & AtomDBPredFlag) {
pp->FunctorOfPred = (Functor)AtomAdjust((Atom)(pp->FunctorOfPred));
} else {
pp->FunctorOfPred = FuncAdjust(pp->FunctorOfPred);
}
} else {
pp->FunctorOfPred = FuncAdjust(pp->FunctorOfPred);
}
} else {
pp->FunctorOfPred = (Functor)AtomAdjust((Atom)(pp->FunctorOfPred));
}
if (!(pp->PredFlags & NumberDBPredFlag)) {
if (pp->PredFlags & MultiFileFlag) {
if (pp->src.file_srcs)
pp->src.file_srcs = MFileAdjust(pp->src.file_srcs);
} else {
if (pp->src.OwnerFile)
pp->src.OwnerFile = AtomAdjust(pp->src.OwnerFile);
}
}
pp->OpcodeOfPred = Yap_opcode(Yap_op_from_opcode(pp->OpcodeOfPred));
if (pp->NextPredOfModule) {
pp->NextPredOfModule = PtoPredAdjust(pp->NextPredOfModule);
}
if (pp->PredFlags & (AsmPredFlag|CPredFlag)) {
/* assembly */
if (pp->CodeOfPred) {
pp->CodeOfPred = PtoOpAdjust(pp->CodeOfPred);
CleanClauses(pp->CodeOfPred, pp->CodeOfPred, pp);
}
} else {
yamop *FirstC, *LastC;
/* Prolog code */
if (pp->cs.p_code.FirstClause)
pp->cs.p_code.FirstClause = PtoOpAdjust(pp->cs.p_code.FirstClause);
if (pp->cs.p_code.LastClause)
pp->cs.p_code.LastClause = PtoOpAdjust(pp->cs.p_code.LastClause);
pp->CodeOfPred =PtoOpAdjust(pp->CodeOfPred);
pp->cs.p_code.TrueCodeOfPred = PtoOpAdjust(pp->cs.p_code.TrueCodeOfPred);
pp->cs.p_code.ExpandCode = Yap_opcode(_expand_index);
flag = pp->PredFlags;
FirstC = pp->cs.p_code.FirstClause;
LastC = pp->cs.p_code.LastClause;
/* We just have a fail here */
if (FirstC == NULL && LastC == NULL) {
return;
}
#ifdef DEBUG_RESTORE2
fprintf(stderr, "at %ux Correcting clauses from %p to %p\n", *(OPCODE *) FirstC, FirstC, LastC);
#endif
CleanClauses(FirstC, LastC, pp);
if (flag & IndexedPredFlag) {
#ifdef DEBUG_RESTORE2
fprintf(stderr, "Correcting indexed code\n");
#endif
if (flag & LogUpdatePredFlag) {
CleanLUIndex(ClauseCodeToLogUpdIndex(pp->cs.p_code.TrueCodeOfPred), TRUE);
} else {
CleanSIndex(ClauseCodeToStaticIndex(pp->cs.p_code.TrueCodeOfPred), TRUE);
}
} else if (flag & DynamicPredFlag) {
#ifdef DEBUG_RESTORE2
fprintf(stderr, "Correcting dynamic code\n");
#endif
RestoreDynamicClause(ClauseCodeToDynamicClause(pp->cs.p_code.TrueCodeOfPred),pp);
}
}
/* we are pointing at ourselves */
}
/*
* Restores all of the entries, for a particular atom, we only have problems
* if we find code or data bases
*/
static void
RestoreEntries(PropEntry *pp, int int_key)
{
while (!EndOfPAEntr(pp)) {
switch(pp->KindOfPE) {
case FunctorProperty:
{
FunctorEntry *fe = (FunctorEntry *)pp;
Prop p0;
fe->NextOfPE =
PropAdjust(fe->NextOfPE);
fe->NameOfFE =
AtomAdjust(fe->NameOfFE);
p0 = fe->PropsOfFE =
PropAdjust(fe->PropsOfFE);
if (!EndOfPAEntr(p0)) {
/* at most one property */
CleanCode(RepPredProp(p0));
RepPredProp(p0)->NextOfPE =
PropAdjust(RepPredProp(p0)->NextOfPE);
}
}
break;
case ValProperty:
{
ValEntry *ve = (ValEntry *)pp;
Term tv = ve->ValueOfVE;
ve->NextOfPE =
PropAdjust(ve->NextOfPE);
if (IsAtomTerm(tv))
ve->ValueOfVE = AtomTermAdjust(tv);
}
break;
case HoldProperty:
{
HoldEntry *he = (HoldEntry *)pp;
he->NextOfPE =
PropAdjust(he->NextOfPE);
}
break;
case ArrayProperty:
{
ArrayEntry *ae = (ArrayEntry *)pp;
ae->NextOfPE =
PropAdjust(ae->NextOfPE);
if (ae->ArrayEArity < 0) {
/* static array entry */
StaticArrayEntry *sae = (StaticArrayEntry *)ae;
if (sae->NextAE)
sae->NextAE = PtoArraySAdjust(sae->NextAE);
restore_static_array(sae);
} else {
if (ae->NextAE)
ae->NextAE = PtoArrayEAdjust(ae->NextAE);
if (IsVarTerm(ae->ValueOfVE))
RESET_VARIABLE(&(ae->ValueOfVE));
else {
CELL *ptr = RepAppl(ae->ValueOfVE);
/* in fact it should just be a pointer to the global,
but we'll be conservative.
Notice that the variable should have been reset in restore_program mode.
*/
if (IsOldGlobalPtr(ptr)) {
ae->ValueOfVE = AbsAppl(PtoGloAdjust(ptr));
} else if (IsOldCodeCellPtr(ptr)) {
ae->ValueOfVE = AbsAppl(PtoHeapCellAdjust(ptr));
} else if (IsOldLocalInTRPtr(ptr)) {
ae->ValueOfVE = AbsAppl(PtoLocAdjust(ptr));
} else if (IsOldTrailPtr(ptr)) {
ae->ValueOfVE = AbsAppl(CellPtoTRAdjust(ptr));
}
}
}
}
break;
case PEProp:
{
PredEntry *pe = (PredEntry *) pp;
pe->NextOfPE =
PropAdjust(pe->NextOfPE);
CleanCode(pe);
}
break;
case DBProperty:
case CodeDBProperty:
#ifdef DEBUG_RESTORE2
fprintf(stderr, "Correcting data base clause at %p\n", pp);
#endif
{
DBEntry *de = (DBEntry *) pp;
de->NextOfPE =
PropAdjust(de->NextOfPE);
RestoreDB(de);
}
break;
case BBProperty:
{
BlackBoardEntry *bb = (BlackBoardEntry *) pp;
bb->NextOfPE =
PropAdjust(bb->NextOfPE);
RestoreBB(bb, int_key);
}
break;
case GlobalProperty:
{
GlobalEntry *gb = (GlobalEntry *) pp;
Term gbt = gb->global;
gb->NextOfPE =
PropAdjust(gb->NextOfPE);
gb->AtomOfGE =
AtomEntryAdjust(gb->AtomOfGE);
if (gb->NextGE) {
gb->NextGE =
GlobalEntryAdjust(gb->NextGE);
}
if (IsVarTerm(gbt)) {
CELL *gbp = VarOfTerm(gbt);
if (IsOldGlobalPtr(gbp))
gbp = PtoGloAdjust(gbp);
else
gbp = CellPtoHeapAdjust(gbp);
gb->global = (CELL)gbp;
} else if (IsPairTerm(gbt)) {
gb->global = AbsPair(PtoGloAdjust(RepPair(gbt)));
} else if (IsApplTerm(gbt)) {
CELL *gbp = RepAppl(gbt);
if (IsOldGlobalPtr(gbp))
gbp = PtoGloAdjust(gbp);
else
gbp = CellPtoHeapAdjust(gbp);
gb->global = AbsAppl(gbp);
} else if (IsAtomTerm(gbt)) {
gb->global = AtomTermAdjust(gbt);
} /* numbers need no adjusting */
}
break;
case OpProperty:
{
OpEntry *opp = (OpEntry *)pp;
if (opp->OpModule) {
opp->OpModule = AtomTermAdjust(opp->OpModule);
}
}
break;
case ModProperty:
{
ModEntry *me = (ModEntry *)pp;
if (me->NextOfPE) {
me->NextOfPE =
PropAdjust(me->NextOfPE);
}
if (me->PredForME) {
me->PredForME =
PtoPredAdjust(me->PredForME);
}
me->AtomOfME =
AtomAdjust(me->AtomOfME);
if (me->NextME)
me->NextME = (struct mod_entry *)
AddrAdjust((ADDR)me->NextME);
}
break;
case ExpProperty:
pp->NextOfPE =
PropAdjust(pp->NextOfPE);
break;
case WideAtomProperty:
pp->NextOfPE =
PropAdjust(pp->NextOfPE);
break;
default:
/* OOPS */
Yap_Error(SYSTEM_ERROR, TermNil,
"Invalid Atom Property %d at %p", pp->KindOfPE, pp);
return;
}
pp = RepProp(pp->NextOfPE);
}
}
static void
RestoreAtom(AtomEntry *at)
{
AtomEntry *nat;
#ifdef DEBUG_RESTORE2 /* useful during debug */
if (IsWideAtom(AbsAtom(at)))
fprintf(errout, "Restoring %S\n", at->WStrOfAE);
else
fprintf(errout, "Restoring %s\n", at->StrOfAE);
#endif
at->PropsOfAE = PropAdjust(at->PropsOfAE);
RestoreEntries(RepProp(at->PropsOfAE), FALSE);
/* cannot use AtomAdjust without breaking agc */
nat = RepAtom(at->NextOfAE);
if (nat)
at->NextOfAE = AbsAtom(AtomEntryAdjust(nat));
}