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yap-6.3/H/sshift.h

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/*************************************************************************
* *
* YAP Prolog %W% %G%
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: sshift.h *
* Last rev: 19/2/88 *
* mods: *
* comments: stack shifter functionality for YAP *
* *
*************************************************************************/
#define CharP(ptr) ((char *) (ptr))
inline EXTERN int IsHeapP (CELL *);
inline EXTERN int
IsHeapP (CELL * ptr)
{
return (int) ((ptr >= (CELL *) Yap_HeapBase && ptr <= (CELL *) HeapTop));
}
/* Adjusting cells and pointers to cells */
inline EXTERN CELL *PtoGloAdjust (CELL *);
inline EXTERN CELL *
PtoGloAdjust (CELL * ptr)
{
if (ptr < GSplit) {
return (CELL *) (((CELL *) (CharP (ptr) + GDiff0)));
} else {
return (CELL *) (((CELL *) (CharP (ptr) + GDiff)));
}
}
inline EXTERN CELL *PtoDelayAdjust (CELL *);
inline EXTERN CELL *
PtoDelayAdjust (CELL * ptr)
{
return (CELL *) (((CELL *) (CharP (ptr) + DelayDiff)));
}
inline EXTERN tr_fr_ptr PtoTRAdjust (tr_fr_ptr);
inline EXTERN tr_fr_ptr
PtoTRAdjust (tr_fr_ptr ptr)
{
return (tr_fr_ptr) (((tr_fr_ptr) (CharP (ptr) + TrDiff)));
}
inline EXTERN CELL *CellPtoTRAdjust (CELL *);
inline EXTERN CELL *
CellPtoTRAdjust (CELL * ptr)
{
return (CELL *) (((CELL *) (CharP (ptr) + TrDiff)));
}
inline EXTERN CELL *PtoLocAdjust (CELL *);
inline EXTERN CELL *
PtoLocAdjust (CELL * ptr)
{
return (CELL *) (((CELL *) (CharP (ptr) + LDiff)));
}
inline EXTERN choiceptr ChoicePtrAdjust (choiceptr);
inline EXTERN choiceptr
ChoicePtrAdjust (choiceptr ptr)
{
return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
}
#ifdef TABLING
inline EXTERN choiceptr ConsumerChoicePtrAdjust (choiceptr);
inline EXTERN choiceptr
ConsumerChoicePtrAdjust (choiceptr ptr)
{
return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
}
inline EXTERN choiceptr GeneratorChoicePtrAdjust (choiceptr);
inline EXTERN choiceptr
GeneratorChoicePtrAdjust (choiceptr ptr)
{
return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
}
#endif /* TABLING */
inline EXTERN CELL GlobalAdjust (CELL);
inline EXTERN CELL
GlobalAdjust (CELL val)
{
if ((CELL *)val < GSplit) {
return (CELL) ((val + GDiff0));
} else {
return (CELL) ((val + GDiff));
}
}
inline EXTERN CELL DelayAdjust (CELL);
inline EXTERN CELL
DelayAdjust (CELL val)
{
return (CELL) ((val + DelayDiff));
}
inline EXTERN ADDR GlobalAddrAdjust (ADDR);
inline EXTERN ADDR
GlobalAddrAdjust (ADDR ptr)
{
if ((CELL *)ptr < GSplit) {
return (ADDR) ((ptr + GDiff0));
} else {
return (ADDR) ((ptr + GDiff));
}
}
inline EXTERN ADDR DelayAddrAdjust (ADDR);
inline EXTERN ADDR
DelayAddrAdjust (ADDR ptr)
{
return (ADDR) ((ptr + DelayDiff));
}
inline EXTERN CELL LocalAdjust (CELL);
inline EXTERN CELL
LocalAdjust (CELL val)
{
return (CELL) ((val + LDiff));
}
inline EXTERN ADDR LocalAddrAdjust (ADDR);
inline EXTERN ADDR
LocalAddrAdjust (ADDR ptr)
{
return (ADDR) ((ptr + LDiff));
}
inline EXTERN CELL TrailAdjust (CELL);
inline EXTERN CELL
TrailAdjust (CELL val)
{
return (CELL) ((val + TrDiff));
}
inline EXTERN ADDR TrailAddrAdjust (ADDR);
inline EXTERN ADDR
TrailAddrAdjust (ADDR ptr)
{
return (ADDR) ((ptr + TrDiff));
}
inline EXTERN TokEntry *TokEntryAdjust (TokEntry *);
inline EXTERN TokEntry *
TokEntryAdjust (TokEntry * ptr)
{
return (TokEntry *) (((CELL) ptr + TrDiff));
}
inline EXTERN VarEntry *VarEntryAdjust (VarEntry *);
inline EXTERN VarEntry *
VarEntryAdjust (VarEntry * ptr)
{
return (VarEntry *) (((CELL) ptr + TrDiff));
}
/* heap data structures */
inline EXTERN Functor FuncAdjust (Functor);
inline EXTERN Functor
FuncAdjust (Functor f)
{
if (!IsExtensionFunctor(f))
return (Functor) ((CharP (f) + HDiff));
return f;
}
inline EXTERN CELL *CellPtoHeapAdjust (CELL *);
inline EXTERN CELL *
CellPtoHeapAdjust (CELL * ptr)
{
return (CELL *) (((CELL *) (CharP (ptr) + HDiff)));
}
#if USE_OFFSETS
inline EXTERN Atom AtomAdjust (Atom);
inline EXTERN Atom
AtomAdjust (Atom at)
{
return (Atom) ((at));
}
inline EXTERN Prop PropAdjust (Prop);
inline EXTERN Prop
PropAdjust (Prop p)
{
return (Prop) ((p));
}
#else
inline EXTERN Atom AtomAdjust (Atom);
inline EXTERN Atom
AtomAdjust (Atom at)
{
return (Atom) ((at == NULL ? (at) : (Atom) (CharP (at) + HDiff)));
}
inline EXTERN Prop PropAdjust (Prop);
inline EXTERN Prop
PropAdjust (Prop p)
{
return (Prop) ((p == NULL ? (p) : (Prop) (CharP (p) + HDiff)));
}
#endif
inline EXTERN Term AtomTermAdjust (Term);
inline EXTERN Term
AtomTermAdjust (Term at)
{
return at + HDiff;
}
#if TAGS_FAST_OPS
inline EXTERN Term BlobTermAdjust (Term);
inline EXTERN Term
BlobTermAdjust (Term t)
{
return (Term) ((t - HDiff));
}
#else
inline EXTERN Term BlobTermAdjust (Term);
inline EXTERN Term
BlobTermAdjust (Term t)
{
return (Term) ((t + HDiff));
}
#endif
inline EXTERN AtomEntry *AtomEntryAdjust (AtomEntry *);
inline EXTERN AtomEntry *
AtomEntryAdjust (AtomEntry * at)
{
return (AtomEntry *) ((AtomEntry *) (CharP (at) + HDiff));
}
inline EXTERN GlobalEntry *GlobalEntryAdjust (GlobalEntry *);
inline EXTERN GlobalEntry *
GlobalEntryAdjust (GlobalEntry * at)
{
return (GlobalEntry *) ((GlobalEntry *) (CharP (at) + HDiff));
}
inline EXTERN union CONSULT_OBJ *ConsultObjAdjust (union CONSULT_OBJ *);
inline EXTERN union CONSULT_OBJ *
ConsultObjAdjust (union CONSULT_OBJ *co)
{
return (union CONSULT_OBJ *) ((union CONSULT_OBJ *) (CharP (co) + HDiff));
}
inline EXTERN DBRef DBRefAdjust (DBRef);
inline EXTERN DBRef
DBRefAdjust (DBRef dbr)
{
return (DBRef) ((DBRef) (CharP (dbr) + HDiff));
}
inline EXTERN DBRef *DBRefPAdjust (DBRef *);
inline EXTERN DBRef *
DBRefPAdjust (DBRef * dbrp)
{
return (DBRef *) ((DBRef *) (CharP (dbrp) + HDiff));
}
inline EXTERN DBTerm *DBTermAdjust (DBTerm *);
inline EXTERN DBTerm *
DBTermAdjust (DBTerm * dbtp)
{
return (DBTerm *) ((DBTerm *) (CharP (dbtp) + HDiff));
}
inline EXTERN struct static_index *SIndexAdjust (struct static_index *);
inline EXTERN struct static_index *
SIndexAdjust (struct static_index *si)
{
return (struct static_index
*) ((struct static_index *) (CharP (si) + HDiff));
}
inline EXTERN struct logic_upd_index *LUIndexAdjust (struct logic_upd_index
*);
inline EXTERN struct logic_upd_index *
LUIndexAdjust (struct logic_upd_index *lui)
{
return (struct logic_upd_index
*) ((struct logic_upd_index *) (CharP (lui) + HDiff));
}
inline EXTERN Term CodeAdjust (Term);
inline EXTERN Term
CodeAdjust (Term dbr)
{
return (Term) (((Term) (dbr) + HDiff));
}
inline EXTERN ADDR AddrAdjust (ADDR);
inline EXTERN ADDR
AddrAdjust (ADDR addr)
{
return (ADDR) ((ADDR) (CharP (addr) + HDiff));
}
inline EXTERN CODEADDR CodeAddrAdjust (CODEADDR);
inline EXTERN CODEADDR
CodeAddrAdjust (CODEADDR addr)
{
return (CODEADDR) ((CODEADDR) (CharP (addr) + HDiff));
}
inline EXTERN char * CodeCharPAdjust (char *);
inline EXTERN char *
CodeCharPAdjust (char * addr)
{
return addr + HDiff;
}
inline EXTERN BlockHeader *BlockAdjust (BlockHeader *);
inline EXTERN BlockHeader *
BlockAdjust (BlockHeader * addr)
{
return (BlockHeader *) ((BlockHeader *) (CharP (addr) + HDiff));
}
inline EXTERN yamop *PtoOpAdjust (yamop *);
inline EXTERN yamop *
PtoOpAdjust (yamop * ptr)
{
return (yamop *) (CharP (ptr) + HDiff);
}
inline EXTERN struct logic_upd_clause *PtoLUClauseAdjust (struct logic_upd_clause *);
inline EXTERN struct logic_upd_clause *
PtoLUClauseAdjust (struct logic_upd_clause * ptr)
{
return (struct logic_upd_clause *) (CharP (ptr) + HDiff);
}
inline EXTERN struct logic_upd_index *PtoLUIndexAdjust (struct logic_upd_index *);
inline EXTERN struct logic_upd_index *
PtoLUIndexAdjust (struct logic_upd_index * ptr)
{
return (struct logic_upd_index *) (CharP (ptr) + HDiff);
}
inline EXTERN CELL *PtoHeapCellAdjust (CELL *);
inline EXTERN CELL *
PtoHeapCellAdjust (CELL * ptr)
{
return (CELL *) (((CELL *) (CharP (ptr) + HDiff)));
}
inline EXTERN PredEntry *PtoPredAdjust (PredEntry *);
inline EXTERN PredEntry *
PtoPredAdjust (PredEntry * ptr)
{
return (PredEntry *) (((PredEntry *) (CharP (ptr) + HDiff)));
}
inline EXTERN ArrayEntry *PtoArrayEAdjust (ArrayEntry *);
inline EXTERN ArrayEntry *
PtoArrayEAdjust (ArrayEntry * ptr)
{
return (ArrayEntry *) (((ArrayEntry *) (CharP (ptr) + HDiff)));
}
inline EXTERN GlobalEntry *PtoGlobalEAdjust (GlobalEntry *);
inline EXTERN GlobalEntry *
PtoGlobalEAdjust (GlobalEntry * ptr)
{
return (GlobalEntry *) (((GlobalEntry *) (CharP (ptr) + HDiff)));
}
inline EXTERN StaticArrayEntry *PtoArraySAdjust (StaticArrayEntry *);
inline EXTERN StaticArrayEntry *
PtoArraySAdjust (StaticArrayEntry * ptr)
{
return (StaticArrayEntry *) (((StaticArrayEntry *) (CharP (ptr) + HDiff)));
}
inline EXTERN struct logic_upd_clause *PtoLUCAdjust (struct logic_upd_clause
*);
inline EXTERN struct logic_upd_clause *
PtoLUCAdjust (struct logic_upd_clause *ptr)
{
return (struct logic_upd_clause
*) (((struct logic_upd_clause *) (CharP (ptr) + HDiff)));
}
inline EXTERN struct static_clause *PtoStCAdjust (struct static_clause *);
inline EXTERN struct static_clause *
PtoStCAdjust (struct static_clause *ptr)
{
return (struct static_clause
*) (((struct static_upd_clause *) (CharP (ptr) + HDiff)));
}
#if PRECOMPUTE_REGADDRESS
inline EXTERN wamreg XAdjust (wamreg);
inline EXTERN wamreg
XAdjust (wamreg reg)
{
return (wamreg) ((wamreg) ((reg) + XDiff));
}
#else
inline EXTERN wamreg XAdjust (wamreg);
inline EXTERN wamreg
XAdjust (wamreg reg)
{
return (wamreg) ((reg));
}
#endif
inline EXTERN yslot YAdjust (yslot);
inline EXTERN yslot
YAdjust (yslot reg)
{
return (yslot) ((reg));
}
inline EXTERN int IsOldLocal (CELL);
inline EXTERN int
IsOldLocal (CELL reg)
{
return (int) (IN_BETWEEN (OldASP, reg, OldLCL0));
}
inline EXTERN int IsOldLocalPtr (CELL *);
inline EXTERN int
IsOldLocalPtr (CELL * ptr)
{
return (int) (IN_BETWEEN (OldASP, ptr, OldLCL0));
}
/* require because the trail might contain dangling pointers */
inline EXTERN int IsOldLocalInTR (CELL);
inline EXTERN int
IsOldLocalInTR (CELL reg)
{
return (int) (IN_BETWEEN (OldH, reg, OldLCL0));
}
inline EXTERN int IsOldLocalInTRPtr (CELL *);
inline EXTERN int
IsOldLocalInTRPtr (CELL * ptr)
{
return (int) (IN_BETWEEN (OldH, ptr, OldLCL0));
}
inline EXTERN int IsOldH (CELL);
inline EXTERN int
IsOldH (CELL reg)
{
return (int) ((CharP (reg) == CharP (OldH)));
}
inline EXTERN int IsOldGlobal (CELL);
inline EXTERN int
IsOldGlobal (CELL reg)
{
return (int) (IN_BETWEEN (OldGlobalBase, reg, OldH));
}
inline EXTERN int IsOldGlobalPtr (CELL *);
inline EXTERN int
IsOldGlobalPtr (CELL * ptr)
{
return (int) (IN_BETWEEN (OldGlobalBase, ptr, OldH));
}
inline EXTERN int IsOldTrail (CELL);
inline EXTERN int
IsOldTrail (CELL reg)
{
return (int) (IN_BETWEEN (OldTrailBase, reg, OldTR));
}
inline EXTERN int IsOldTrailPtr (CELL *);
inline EXTERN int
IsOldTrailPtr (CELL * ptr)
{
return (int) (IN_BETWEEN (OldTrailBase, ptr, OldTR));
}
inline EXTERN int IsOldVarTableTrailPtr (struct VARSTRUCT *);
inline EXTERN int
IsOldVarTableTrailPtr (struct VARSTRUCT *ptr)
{
return (int) (IN_BETWEEN (OldTrailBase, ptr, OldTR));
}
inline EXTERN int IsOldTokenTrailPtr (struct TOKEN *);
inline EXTERN int
IsOldTokenTrailPtr (struct TOKEN *ptr)
{
return (int) (IN_BETWEEN (OldTrailBase, ptr, OldTR));
}
inline EXTERN int IsOldCode (CELL);
inline EXTERN int
IsOldCode (CELL reg)
{
return (int) (IN_BETWEEN (OldHeapBase, reg, OldHeapTop));
}
inline EXTERN int IsOldCodeCellPtr (CELL *);
inline EXTERN int
IsOldCodeCellPtr (CELL * ptr)
{
return (int) (IN_BETWEEN (OldHeapBase, ptr, OldHeapTop));
}
inline EXTERN int IsGlobal (CELL);
inline EXTERN int
IsGlobal (CELL reg)
{
return (int) (IN_BETWEEN (Yap_GlobalBase, reg, H));
}
void STD_PROTO (Yap_AdjustStacksAndTrail, (void));
void STD_PROTO (Yap_AdjustRegs, (int));