860 lines
14 KiB
C
860 lines
14 KiB
C
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/*************************************************************************
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* *
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* YAP Prolog %W% %G%
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: sshift.h *
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* Last rev: 19/2/88 *
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* mods: *
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* comments: stack shifter functionality for YAP *
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* *
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*************************************************************************/
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#define CharP(ptr) ((char *) (ptr))
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inline EXTERN int IsHeapP (CELL *);
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inline EXTERN int
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IsHeapP (CELL * ptr)
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{
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#if USE_SYSTEM_MALLOC
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return (int) ((ptr < (CELL *) Yap_GlobalBase || ptr > (CELL *) Yap_TrailTop));
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#else
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return (int) ((ptr >= (CELL *) Yap_HeapBase && ptr <= (CELL *) HeapTop));
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#endif
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}
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#define OrArgAdjust(P)
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#define TabEntryAdjust(P)
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/* Adjusting cells and pointers to cells */
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inline EXTERN CELL *PtoGloAdjust (CELL *);
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inline EXTERN CELL *
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PtoGloAdjust (CELL * ptr)
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{
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if (ptr < GSplit) {
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return (CELL *) (((CELL *) (CharP (ptr) + GDiff0)));
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} else {
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return (CELL *) (((CELL *) (CharP (ptr) + GDiff)));
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}
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}
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inline EXTERN CELL *PtoDelayAdjust (CELL *);
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inline EXTERN CELL *
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PtoDelayAdjust (CELL * ptr)
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{
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return (CELL *) (((CELL *) (CharP (ptr) + DelayDiff)));
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}
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inline EXTERN tr_fr_ptr PtoTRAdjust (tr_fr_ptr);
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inline EXTERN tr_fr_ptr
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PtoTRAdjust (tr_fr_ptr ptr)
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{
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return (tr_fr_ptr) (((tr_fr_ptr) (CharP (ptr) + TrDiff)));
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}
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inline EXTERN CELL *CellPtoTRAdjust (CELL *);
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inline EXTERN CELL *
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CellPtoTRAdjust (CELL * ptr)
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{
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return (CELL *) (((CELL *) (CharP (ptr) + TrDiff)));
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}
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inline EXTERN CELL *PtoLocAdjust (CELL *);
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inline EXTERN CELL *
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PtoLocAdjust (CELL * ptr)
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{
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return (CELL *) (((CELL *) (CharP (ptr) + LDiff)));
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}
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inline EXTERN choiceptr ChoicePtrAdjust (choiceptr);
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inline EXTERN choiceptr
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ChoicePtrAdjust (choiceptr ptr)
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{
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return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
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}
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#ifdef TABLING
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inline EXTERN choiceptr ConsumerChoicePtrAdjust (choiceptr);
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inline EXTERN choiceptr
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ConsumerChoicePtrAdjust (choiceptr ptr)
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{
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return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
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}
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inline EXTERN choiceptr GeneratorChoicePtrAdjust (choiceptr);
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inline EXTERN choiceptr
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GeneratorChoicePtrAdjust (choiceptr ptr)
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{
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return (choiceptr) (((choiceptr) (CharP (ptr) + LDiff)));
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}
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#endif /* TABLING */
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inline EXTERN CELL GlobalAdjust (CELL);
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inline EXTERN CELL
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GlobalAdjust (CELL val)
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{
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if ((CELL *)val < GSplit) {
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return (CELL) ((val + GDiff0));
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} else {
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return (CELL) ((val + GDiff));
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}
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}
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inline EXTERN CELL DelayAdjust (CELL);
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inline EXTERN CELL
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DelayAdjust (CELL val)
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{
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return (CELL) (val + DelayDiff);
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}
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inline EXTERN ADDR GlobalAddrAdjust (ADDR);
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inline EXTERN ADDR
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GlobalAddrAdjust (ADDR ptr)
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{
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if ((CELL *)ptr < GSplit) {
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return (ADDR) ((ptr + GDiff0));
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} else {
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return (ADDR) ((ptr + GDiff));
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}
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}
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inline EXTERN ADDR DelayAddrAdjust (ADDR);
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inline EXTERN ADDR
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DelayAddrAdjust (ADDR ptr)
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{
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return (ADDR) ((ptr + DelayDiff));
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}
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inline EXTERN CELL LocalAdjust (CELL);
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inline EXTERN CELL
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LocalAdjust (CELL val)
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{
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return (CELL) ((val + LDiff));
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}
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inline EXTERN ADDR LocalAddrAdjust (ADDR);
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inline EXTERN ADDR
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LocalAddrAdjust (ADDR ptr)
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{
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return (ADDR) ((ptr + LDiff));
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}
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inline EXTERN CELL TrailAdjust (CELL);
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inline EXTERN CELL
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TrailAdjust (CELL val)
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{
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return (CELL) ((val + TrDiff));
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}
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inline EXTERN ADDR TrailAddrAdjust (ADDR);
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inline EXTERN ADDR
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TrailAddrAdjust (ADDR ptr)
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{
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return (ADDR) ((ptr + TrDiff));
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}
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inline EXTERN TokEntry *TokEntryAdjust (TokEntry *);
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inline EXTERN TokEntry *
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TokEntryAdjust (TokEntry * ptr)
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{
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return (TokEntry *) (((CELL) ptr + TrDiff));
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}
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inline EXTERN VarEntry *VarEntryAdjust (VarEntry *);
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inline EXTERN VarEntry *
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VarEntryAdjust (VarEntry * ptr)
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{
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return (VarEntry *) (((CELL) ptr + TrDiff));
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}
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/* heap data structures */
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inline EXTERN Functor FuncAdjust (Functor);
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inline EXTERN Functor
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FuncAdjust (Functor f)
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{
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if (!IsExtensionFunctor(f))
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return (Functor) ((CharP (f) + HDiff));
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return f;
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}
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inline EXTERN CELL *CellPtoHeapAdjust (CELL *);
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inline EXTERN CELL *
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CellPtoHeapAdjust (CELL * ptr)
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{
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if (!ptr)
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return ptr;
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return (CELL *) (((CELL *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN HoldEntry *HoldEntryAdjust (HoldEntry *);
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inline EXTERN HoldEntry *
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HoldEntryAdjust (HoldEntry * ptr)
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{
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return (HoldEntry *) (((HoldEntry *) (CharP (ptr) + HDiff)));
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}
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#if USE_OFFSETS
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inline EXTERN Atom AtomAdjust (Atom);
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inline EXTERN Atom
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AtomAdjust (Atom at)
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{
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return (Atom) ((at));
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}
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inline EXTERN Prop PropAdjust (Prop);
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inline EXTERN Prop
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PropAdjust (Prop p)
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{
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return (Prop) ((p));
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}
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#else
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inline EXTERN Atom AtomAdjust (Atom);
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inline EXTERN Atom
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AtomAdjust (Atom at)
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{
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return (Atom) ((at == NULL ? (at) : (Atom) (CharP (at) + HDiff)));
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}
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inline EXTERN Prop PropAdjust (Prop);
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inline EXTERN Prop
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PropAdjust (Prop p)
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{
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return (Prop) ((p == NULL ? (p) : (Prop) (CharP (p) + HDiff)));
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}
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#endif
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inline EXTERN PredEntry *PredEntryAdjust (PredEntry *);
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inline EXTERN PredEntry *
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PredEntryAdjust (PredEntry *p)
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{
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return (PredEntry *) ((p == NULL ? (p) : (PredEntry *) (CharP (p) + HDiff)));
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}
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inline EXTERN COUNT ConstantAdjust (COUNT);
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inline EXTERN COUNT
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ConstantAdjust (COUNT val)
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{
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return val;
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}
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inline EXTERN Int ArityAdjust (Int);
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inline EXTERN Int
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ArityAdjust (Int val)
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{
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return val;
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}
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inline EXTERN OPCODE OpcodeAdjust (OPCODE);
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inline EXTERN OPCODE
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OpcodeAdjust (OPCODE val)
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{
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return Yap_opcode(Yap_op_from_opcode(val));
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}
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#define DoubleInCodeAdjust(D)
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#define IntegerInCodeAdjust(D)
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#define IntegerAdjust(D) (D)
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#define ExternalFunctionAdjust(D) (D);
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inline EXTERN Term AtomTermAdjust (Term);
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inline EXTERN Term
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AtomTermAdjust (Term at)
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{
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return at + HDiff;
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}
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inline EXTERN Term ModuleAdjust (Term);
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inline EXTERN Term
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ModuleAdjust (Term t)
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{
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return AtomTermAdjust(t);
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}
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inline EXTERN Term CodeVarAdjust (Term);
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inline EXTERN Term
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CodeVarAdjust (Term var)
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{
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return var + HDiff;
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}
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#if TAGS_FAST_OPS
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inline EXTERN Term BlobTermAdjust (Term);
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inline EXTERN Term
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BlobTermAdjust (Term t)
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{
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return (Term) ((t - HDiff));
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}
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inline EXTERN Term CodeComposedTermAdjust (Term);
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inline EXTERN Term
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CodeComposedTermAdjust (Term t)
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{
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return (Term) ((t - HDiff));
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}
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#else
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inline EXTERN Term BlobTermAdjust (Term);
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inline EXTERN Term
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BlobTermAdjust (Term t)
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{
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return (Term) ((t + HDiff));
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}
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inline EXTERN Term CodeComposedTermAdjust (Term);
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inline EXTERN Term
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CodeComposedTermAdjust (Term t)
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{
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return (Term) ((t + HDiff));
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}
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#endif
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inline EXTERN AtomEntry *AtomEntryAdjust (AtomEntry *);
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inline EXTERN AtomEntry *
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AtomEntryAdjust (AtomEntry * at)
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{
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return (AtomEntry *) ((AtomEntry *) (CharP (at) + HDiff));
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}
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inline EXTERN struct mfile *MFileAdjust (struct mfile *);
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inline EXTERN struct mfile *
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MFileAdjust (struct mfile * at)
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{
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return (struct mfile *) (CharP (at) + HDiff);
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}
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inline EXTERN GlobalEntry *GlobalEntryAdjust (GlobalEntry *);
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inline EXTERN GlobalEntry *
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GlobalEntryAdjust (GlobalEntry * at)
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{
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return (GlobalEntry *) ((GlobalEntry *) (CharP (at) + HDiff));
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}
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inline EXTERN union CONSULT_OBJ *ConsultObjAdjust (union CONSULT_OBJ *);
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inline EXTERN union CONSULT_OBJ *
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ConsultObjAdjust (union CONSULT_OBJ *co)
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{
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return (union CONSULT_OBJ *) ((union CONSULT_OBJ *) (CharP (co) + HDiff));
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}
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inline EXTERN DBRef DBRefAdjust (DBRef);
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inline EXTERN DBRef
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DBRefAdjust (DBRef dbr)
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{
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return (DBRef) ((DBRef) (CharP (dbr) + HDiff));
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}
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inline EXTERN DBRef *DBRefPAdjust (DBRef *);
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inline EXTERN DBRef *
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DBRefPAdjust (DBRef * dbrp)
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{
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return (DBRef *) ((DBRef *) (CharP (dbrp) + HDiff));
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}
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inline EXTERN DBTerm *DBTermAdjust (DBTerm *);
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inline EXTERN DBTerm *
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DBTermAdjust (DBTerm * dbtp)
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{
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return (DBTerm *) ((DBTerm *) (CharP (dbtp) + HDiff));
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}
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inline EXTERN struct static_index *SIndexAdjust (struct static_index *);
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inline EXTERN struct static_index *
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SIndexAdjust (struct static_index *si)
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{
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return (struct static_index
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*) ((struct static_index *) (CharP (si) + HDiff));
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}
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inline EXTERN struct logic_upd_index *LUIndexAdjust (struct logic_upd_index
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*);
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inline EXTERN struct logic_upd_index *
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LUIndexAdjust (struct logic_upd_index *lui)
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{
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return (struct logic_upd_index
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*) ((struct logic_upd_index *) (CharP (lui) + HDiff));
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}
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inline EXTERN Term CodeAdjust (Term);
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inline EXTERN Term
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CodeAdjust (Term dbr)
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{
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return (Term) (((Term) (dbr) + HDiff));
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}
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inline EXTERN ADDR AddrAdjust (ADDR);
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inline EXTERN ADDR
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AddrAdjust (ADDR addr)
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{
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return (ADDR) ((ADDR) (CharP (addr) + HDiff));
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}
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inline EXTERN CODEADDR CodeAddrAdjust (CODEADDR);
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inline EXTERN CODEADDR
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CodeAddrAdjust (CODEADDR addr)
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{
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return (CODEADDR) ((CODEADDR) (CharP (addr) + HDiff));
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}
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inline EXTERN char * CodeCharPAdjust (char *);
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inline EXTERN char *
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CodeCharPAdjust (char * addr)
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{
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return addr + HDiff;
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}
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inline EXTERN BlockHeader *BlockAdjust (BlockHeader *);
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inline EXTERN BlockHeader *
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BlockAdjust (BlockHeader * addr)
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{
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return (BlockHeader *) ((BlockHeader *) (CharP (addr) + HDiff));
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}
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inline EXTERN yamop *PtoOpAdjust (yamop *);
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inline EXTERN yamop *
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PtoOpAdjust (yamop * ptr)
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{
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return (yamop *) (CharP (ptr) + HDiff);
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}
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inline EXTERN struct logic_upd_clause *PtoLUClauseAdjust (struct logic_upd_clause *);
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inline EXTERN struct logic_upd_clause *
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PtoLUClauseAdjust (struct logic_upd_clause * ptr)
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{
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return (struct logic_upd_clause *) (CharP (ptr) + HDiff);
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}
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inline EXTERN struct logic_upd_index *PtoLUIndexAdjust (struct logic_upd_index *);
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inline EXTERN struct logic_upd_index *
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PtoLUIndexAdjust (struct logic_upd_index * ptr)
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{
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return (struct logic_upd_index *) (CharP (ptr) + HDiff);
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}
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inline EXTERN CELL *PtoHeapCellAdjust (CELL *);
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inline EXTERN CELL *
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PtoHeapCellAdjust (CELL * ptr)
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{
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return (CELL *) (((CELL *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN AtomHashEntry *PtoAtomHashEntryAdjust (AtomHashEntry *);
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inline EXTERN AtomHashEntry *
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PtoAtomHashEntryAdjust (AtomHashEntry * ptr)
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{
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return (AtomHashEntry *) (((AtomHashEntry *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN PredEntry *PtoPredAdjust (PredEntry *);
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inline EXTERN PredEntry *
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PtoPredAdjust (PredEntry * ptr)
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{
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return (PredEntry *) (((PredEntry *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN ArrayEntry *PtoArrayEAdjust (ArrayEntry *);
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inline EXTERN ArrayEntry *
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PtoArrayEAdjust (ArrayEntry * ptr)
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{
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return (ArrayEntry *) (((ArrayEntry *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN GlobalEntry *PtoGlobalEAdjust (GlobalEntry *);
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inline EXTERN GlobalEntry *
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PtoGlobalEAdjust (GlobalEntry * ptr)
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{
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return (GlobalEntry *) (((GlobalEntry *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN StaticArrayEntry *PtoArraySAdjust (StaticArrayEntry *);
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inline EXTERN StaticArrayEntry *
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PtoArraySAdjust (StaticArrayEntry * ptr)
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{
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return (StaticArrayEntry *) (((StaticArrayEntry *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN struct logic_upd_clause *PtoLUCAdjust (struct logic_upd_clause
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*);
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inline EXTERN struct logic_upd_clause *
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PtoLUCAdjust (struct logic_upd_clause *ptr)
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{
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return (struct logic_upd_clause
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*) (((struct logic_upd_clause *) (CharP (ptr) + HDiff)));
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}
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inline EXTERN struct static_clause *PtoStCAdjust (struct static_clause *);
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inline EXTERN struct static_clause *
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PtoStCAdjust (struct static_clause *ptr)
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{
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return (struct static_clause
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|
*) (((struct static_upd_clause *) (CharP (ptr) + HDiff)));
|
|
}
|
|
|
|
|
|
inline EXTERN struct dbterm_list *PtoDBTLAdjust (struct dbterm_list *);
|
|
|
|
inline EXTERN struct dbterm_list *
|
|
PtoDBTLAdjust (struct dbterm_list * addr)
|
|
{
|
|
return (struct dbterm_list *) ((ADDR) (CharP (addr) + 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)
|
|
{
|
|
#if USE_SYSTEM_MALLOC
|
|
return reg < (CELL)OldGlobalBase || reg > (CELL)OldTrailTop;
|
|
#else
|
|
return (int) (IN_BETWEEN (OldHeapBase, reg, OldHeapTop));
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
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));
|
|
|