1 /*-------------------------------------------------------------------------
2 SDCCsymt.c - Code file for Symbols table related structures and MACRO's.
3 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding!
22 -------------------------------------------------------------------------*/
26 bucket *SymbolTab [256] ; /* the symbol table */
27 bucket *StructTab [256] ; /* the structure table */
28 bucket *TypedefTab[256] ; /* the typedef table */
29 bucket *LabelTab [256] ; /* the Label table */
30 bucket *enumTab [256] ; /* enumerated table */
32 /*------------------------------------------------------------------*/
33 /* initSymt () - initialises symbol table related stuff */
34 /*------------------------------------------------------------------*/
39 for ( i = 0 ; i < 256 ; i++ )
40 SymbolTab[i] = StructTab[i] = (void *) NULL ;
44 /*-----------------------------------------------------------------*/
45 /* newBucket - allocates & returns a new bucket */
46 /*-----------------------------------------------------------------*/
51 ALLOC(bp,sizeof(bucket));
56 /*-----------------------------------------------------------------*/
57 /* hashKey - computes the hashkey given a symbol name */
58 /*-----------------------------------------------------------------*/
59 int hashKey (const char *s)
61 unsigned long key = 0;
68 /*-----------------------------------------------------------------*/
69 /* addSym - adds a symbol to the hash Table */
70 /*-----------------------------------------------------------------*/
71 void addSym ( bucket **stab ,
77 int i ; /* index into the hash Table */
78 bucket *bp ; /* temp bucket * */
80 /* the symbols are always added at the head of the list */
82 /* get a free entry */
83 ALLOC(bp,sizeof(bucket));
85 bp->sym = sym ; /* update the symbol pointer */
86 bp->level = level; /* update the nest level */
88 strcpy(bp->name,sname); /* copy the name into place */
90 /* if this is the first entry */
91 if (stab[i] == NULL) {
92 bp->prev = bp->next = (void *) NULL ; /* point to nothing */
95 /* not first entry then add @ head of list */
104 /*-----------------------------------------------------------------*/
105 /* deleteSym - deletes a symbol from the hash Table entry */
106 /*-----------------------------------------------------------------*/
107 void deleteSym ( bucket **stab, void *sym, char *sname)
115 /* find the symbol */
117 if (bp->sym == sym) /* found it then break out */
118 break ; /* of the loop */
122 if (!bp) /* did not find it */
124 /* if this is the first one in the chain */
127 if ( stab[i] ) /* if chain ! empty */
128 stab[i]->prev = (void *) NULL ;
130 /* middle || end of chain */
132 if ( bp->next ) /* if not end of chain */
133 bp->next->prev = bp->prev ;
135 bp->prev->next = bp->next ;
140 /*-----------------------------------------------------------------*/
141 /* findSym - finds a symbol in a table */
142 /*-----------------------------------------------------------------*/
143 void *findSym ( bucket **stab, void *sym, const char *sname)
147 bp = stab[hashKey(sname)] ;
150 if ( bp->sym == sym || strcmp (bp->name,sname) == 0 )
155 return ( bp ? bp->sym : (void *) NULL ) ;
158 /*-----------------------------------------------------------------*/
159 /* findSymWithLevel - finds a symbol with a name & level */
160 /*-----------------------------------------------------------------*/
161 void *findSymWithLevel ( bucket **stab, symbol *sym)
165 bp = stab[hashKey(sym->name)];
168 ** do the search from the head of the list since the
169 ** elements are added at the head it is ensured that
170 ** we will find the deeper definitions before we find
171 ** the global ones. we need to check for symbols with
172 ** level <= to the level given, if levels match then block
173 ** numbers need to match as well
177 if ( strcmp(bp->name,sym->name) == 0 && bp->level <= sym->level) {
178 /* if this is parameter then nothing else need to be checked */
179 if (((symbol *)(bp->sym))->_isparm)
181 /* if levels match then block numbers hsould also match */
182 if (bp->level && bp->level == sym->level && bp->block == sym->block )
184 /* if levels don't match then we are okay */
185 if (bp->level && bp->level != sym->level)
187 /* if this is a global variable then we are ok too */
195 return (void *) NULL ;
198 /*-----------------------------------------------------------------*/
199 /* findSymWithBlock - finds a symbol with name in with a block */
200 /*-----------------------------------------------------------------*/
201 void *findSymWithBlock ( bucket **stab, symbol *sym, int block)
205 bp = stab[hashKey(sym->name)] ;
208 if ( strcmp (bp->name,sym->name) == 0 &&
214 return ( bp ? bp->sym : (void *) NULL ) ;
217 /*------------------------------------------------------------------*/
218 /* newSymbol () - returns a new pointer to a symbol */
219 /*------------------------------------------------------------------*/
220 symbol *newSymbol (char *name, int scope )
224 ALLOC(sym,sizeof(symbol));
226 strcpy(sym->name,name); /* copy the name */
227 sym->level = scope ; /* set the level */
228 sym->block = currBlockno ;
229 sym->lineDef = yylineno ; /* set the line number */
233 /*------------------------------------------------------------------*/
234 /* newLink - creates a new link (declarator,specifier) */
235 /*------------------------------------------------------------------*/
240 ALLOC(p,sizeof(link));
245 /*------------------------------------------------------------------*/
246 /* newStruct - creats a new structdef from the free list */
247 /*------------------------------------------------------------------*/
248 structdef *newStruct ( char *tag )
252 ALLOC(s,sizeof(structdef));
254 strcpy(s->tag,tag) ; /* copy the tag */
258 /*------------------------------------------------------------------*/
259 /* pointerTypes - do the computation for the pointer types */
260 /*------------------------------------------------------------------*/
261 void pointerTypes (link *ptr, link *type)
266 /* find the first pointer type */
267 while (ptr && !IS_PTR(ptr))
270 /* could not find it */
271 if (!ptr || IS_SPEC(ptr) ||
272 DCL_TYPE(ptr) != UPOINTER)
275 /* change the pointer type depending on the
276 storage class of the type */
278 DCL_PTR_CONST(ptr) = SPEC_CONST(type);
279 DCL_PTR_VOLATILE(ptr) = SPEC_VOLATILE(type);
280 switch (SPEC_SCLS(type)) {
282 DCL_TYPE(ptr) = FPOINTER;
285 DCL_TYPE(ptr) = IPOINTER ;
288 DCL_TYPE(ptr) = PPOINTER ;
291 DCL_TYPE(ptr) = POINTER ;
294 DCL_PTR_CONST(ptr) = port->mem.code_ro;
295 DCL_TYPE(ptr) = CPOINTER ;
298 DCL_TYPE(ptr) = EEPPOINTER;
301 DCL_TYPE(ptr) = GPOINTER;
304 /* the storage class of type ends here */
307 SPEC_VOLATILE(type) = 0;
310 /* now change all the remaining unknown pointers
311 to generic pointers */
313 if (!IS_SPEC(ptr) && DCL_TYPE(ptr) == UPOINTER)
314 DCL_TYPE(ptr) = GPOINTER;
318 /* same for the type although it is highly unlikely that
319 type will have a pointer */
321 if (!IS_SPEC(type) && DCL_TYPE(type) == UPOINTER)
322 DCL_TYPE(type) = GPOINTER;
328 /*------------------------------------------------------------------*/
329 /* addDecl - adds a declarator @ the end of a chain */
330 /*------------------------------------------------------------------*/
331 void addDecl ( symbol *sym, int type , link *p )
337 /* if we are passed a link then set head & tail */
344 head = tail = newLink() ;
345 DCL_TYPE(head) = type ;
348 /* if this is the first entry */
354 if ( IS_SPEC(sym->etype) && IS_SPEC(head) && head == tail ) {
355 sym->etype = mergeSpec(sym->etype,head);
358 if ( IS_SPEC(sym->etype) && !IS_SPEC(head) && head == tail ) {
360 while (t->next != sym->etype) t = t->next ;
362 tail->next = sym->etype;
364 sym->etype->next = head;
370 /* if the type is a unknown pointer and has
371 a tspec then take the storage class const & volatile
372 attribute from the tspec & make it those of this
376 DCL_TYPE(p) == UPOINTER &&
378 if (!IS_SPEC(sym->etype)) {
379 sym->etype = sym->etype->next = newLink();
380 sym->etype->class = SPECIFIER;
382 SPEC_SCLS(sym->etype) = SPEC_SCLS(DCL_TSPEC(p));
383 SPEC_CONST(sym->etype) = SPEC_CONST(DCL_TSPEC(p));
384 SPEC_VOLATILE(sym->etype) = SPEC_VOLATILE(DCL_TSPEC(p));
390 /*------------------------------------------------------------------*/
391 /* mergeSpec - merges two specifiers and returns the new one */
392 /*------------------------------------------------------------------*/
393 link *mergeSpec ( link *dest, link *src )
395 /* if noun different then src overrides */
396 if ( SPEC_NOUN(dest) != SPEC_NOUN(src) && !SPEC_NOUN(dest))
397 SPEC_NOUN(dest) = SPEC_NOUN(src) ;
399 if (! SPEC_SCLS(dest)) /* if destination has no storage class */
400 SPEC_SCLS(dest) = SPEC_SCLS(src) ;
402 /* copy all the specifications */
403 SPEC_LONG(dest) |= SPEC_LONG(src);
404 SPEC_SHORT(dest) |= SPEC_SHORT(src);
405 SPEC_USIGN(dest) |= SPEC_USIGN(src);
406 SPEC_STAT(dest) |= SPEC_STAT(src);
407 SPEC_EXTR(dest) |= SPEC_EXTR(src);
408 SPEC_ABSA(dest) |= SPEC_ABSA(src);
409 SPEC_RENT(dest) |= SPEC_RENT(src);
410 SPEC_INTN(dest) |= SPEC_INTN(src);
411 SPEC_BANK(dest) |= SPEC_BANK(src);
412 SPEC_VOLATILE(dest) |= SPEC_VOLATILE(src);
413 SPEC_CRTCL(dest) |= SPEC_CRTCL(src);
414 SPEC_ADDR(dest) |= SPEC_ADDR(src);
415 SPEC_OCLS(dest) = SPEC_OCLS(src);
416 SPEC_BLEN(dest) |= SPEC_BLEN(src);
417 SPEC_BSTR(dest) |= SPEC_BSTR(src);
418 SPEC_TYPEDEF(dest) |= SPEC_TYPEDEF(src);
419 SPEC_NONBANKED(dest) |= SPEC_NONBANKED(src);
421 if ( IS_STRUCT(dest) && SPEC_STRUCT(dest) == NULL )
422 SPEC_STRUCT(dest) = SPEC_STRUCT(src);
427 /*------------------------------------------------------------------*/
428 /* cloneSpec - copies the entire spec and returns a new spec */
429 /*------------------------------------------------------------------*/
430 link *cloneSpec ( link *src )
434 /* go thru chain till we find the specifier */
435 while ( src && src->class != SPECIFIER )
439 memcpy (spec,src,sizeof(link));
443 /*------------------------------------------------------------------*/
444 /* genSymName - generates and returns a name used for anonymous vars*/
445 /*------------------------------------------------------------------*/
446 char *genSymName ( int level )
448 static int gCount = 0 ;
449 static char gname[SDCC_NAME_MAX+1] ;
451 sprintf (gname,"__%04d%04d",level,gCount++);
455 /*------------------------------------------------------------------*/
456 /* getSpec - returns the specifier part from a declaration chain */
457 /*------------------------------------------------------------------*/
458 link *getSpec ( link *p )
463 while ( p && ! (IS_SPEC(p)))
469 /*------------------------------------------------------------------*/
470 /* newCharLink() - creates an int type */
471 /*------------------------------------------------------------------*/
477 p->class = SPECIFIER ;
478 SPEC_NOUN(p) = V_CHAR ;
483 /*------------------------------------------------------------------*/
484 /* newFloatLink - a new Float type */
485 /*------------------------------------------------------------------*/
491 p->class = SPECIFIER ;
492 SPEC_NOUN(p) = V_FLOAT ;
497 /*------------------------------------------------------------------*/
498 /* newLongLink() - new long type */
499 /*------------------------------------------------------------------*/
505 p->class = SPECIFIER ;
506 SPEC_NOUN(p) = V_INT ;
512 /*------------------------------------------------------------------*/
513 /* newIntLink() - creates an int type */
514 /*------------------------------------------------------------------*/
520 p->class = SPECIFIER ;
521 SPEC_NOUN(p) = V_INT ;
526 /*------------------------------------------------------------------*/
527 /* getSize - returns size of a type chain in bits */
528 /*------------------------------------------------------------------*/
529 unsigned int getSize ( link *p )
531 /* if nothing return 0 */
534 if ( IS_SPEC(p) ) { /* if this is the specifier then */
535 switch (SPEC_NOUN(p)) { /* depending on the specifier type */
537 return (IS_LONG(p) ? LONGSIZE : ( IS_SHORT(p) ? SHORTSIZE: INTSIZE)) ;
545 return SPEC_STRUCT(p)->size ;
551 return ((SPEC_BLEN(p) / 8) + (SPEC_BLEN(p) % 8 ? 1 : 0)) ;
557 /* this is a specifier */
558 switch (DCL_TYPE(p)) {
562 return DCL_ELEM(p) * getSize (p->next) ;
579 /*------------------------------------------------------------------*/
580 /* bitsForType - returns # of bits required to store this type */
581 /*------------------------------------------------------------------*/
582 unsigned int bitsForType ( link *p )
584 /* if nothing return 0 */
588 if ( IS_SPEC(p) ) { /* if this is the specifier then */
590 switch (SPEC_NOUN(p)) { /* depending on the specifier type */
592 return (IS_LONG(p) ? LONGSIZE*8 : ( IS_SHORT(p) ? SHORTSIZE*8: INTSIZE*8)) ;
600 return SPEC_STRUCT(p)->size*8 ;
612 /* this is a specifier */
613 switch (DCL_TYPE(p)) {
617 return DCL_ELEM(p) * getSize (p->next) *8 ;
621 return ( PTRSIZE * 8) ;
625 return ( FPTRSIZE * 8);
627 return ( GPTRSIZE * 8);
634 /*------------------------------------------------------------------*/
635 /* copySymbolChain - copies a symbol chain */
636 /*------------------------------------------------------------------*/
637 symbol *copySymbolChain (symbol *src)
644 dest = copySymbol(src);
645 dest->next = copySymbolChain(src->next);
649 /*------------------------------------------------------------------*/
650 /* copySymbol - makes a copy of a symbol */
651 /*------------------------------------------------------------------*/
652 symbol *copySymbol (symbol *src)
659 dest = newSymbol( src->name, src->level );
660 memcpy(dest,src,sizeof(symbol));
661 dest->level = src->level ;
662 dest->block = src->block ;
663 dest->ival = copyIlist(src->ival);
664 dest->type = copyLinkChain(src->type);
665 dest->etype= getSpec(dest->type);
667 dest->args = copyValueChain (src->args);
668 dest->key = src->key;
669 dest->calleeSave = src->calleeSave;
670 dest->allocreq = src->allocreq;
674 /*------------------------------------------------------------------*/
675 /* reverseSyms - reverses the links for a symbol chain */
676 /*------------------------------------------------------------------*/
677 symbol *reverseSyms ( symbol *sym)
679 symbol *prev , *curr, *next ;
694 sym->next = (void *) NULL ;
698 /*------------------------------------------------------------------*/
699 /* reverseLink - reverses the links for a type chain */
700 /*------------------------------------------------------------------*/
701 link *reverseLink ( link *type)
703 link *prev , *curr, *next ;
718 type->next = (void *) NULL ;
722 /*------------------------------------------------------------------*/
723 /* addSymChain - adds a symbol chain to the symboltable */
724 /*------------------------------------------------------------------*/
725 void addSymChain ( symbol *symHead )
727 symbol *sym = symHead ;
728 symbol *csym = NULL ;
730 for (;sym != NULL ; sym = sym->next ) {
732 /* if already exists in the symbol table then check if
733 the previous was an extern definition if yes then
734 then check if the type match, if the types match then
735 delete the current entry and add the new entry */
736 if ((csym = findSymWithLevel (SymbolTab,sym)) &&
737 csym->level == sym->level) {
739 /* previous definition extern ? */
740 if ( IS_EXTERN(csym->etype) ) {
741 /* do types match ? */
742 if (checkType ( csym->type,sym->type) != 1)
744 werror (E_DUPLICATE,csym->name);
746 /* delete current entry */
747 deleteSym (SymbolTab, csym, csym->name );
749 addSym (SymbolTab, sym, sym->name, sym->level,sym->block);
750 } else /* not extern */
751 werror(E_DUPLICATE,sym->name) ;
755 /* check if previously defined */
756 if (csym && csym->level == sym->level ) {
757 /* if the previous one was declared as extern */
758 /* then check the type with the current one */
759 if ( IS_EXTERN(csym->etype) ) {
760 if ( checkType (csym->type, sym->type ) <= 0 )
761 werror (W_EXTERN_MISMATCH,csym->name);
765 addSym (SymbolTab,sym,sym->name,sym->level,sym->block) ;
770 /*------------------------------------------------------------------*/
771 /* funcInChain - DCL Type 'FUNCTION' found in type chain */
772 /*------------------------------------------------------------------*/
773 int funcInChain (link *lnk)
783 /*------------------------------------------------------------------*/
784 /* structElemType - returns the type info of a sturct member */
785 /*------------------------------------------------------------------*/
786 link *structElemType (link *stype, value *id ,value **argsp)
788 symbol *fields = (SPEC_STRUCT(stype) ? SPEC_STRUCT(stype)->fields : NULL);
790 if ( ! fields || ! id)
793 /* look for the id */
795 if (strcmp(fields->rname,id->name) == 0) {
797 *argsp = fields->args;
799 return copyLinkChain (fields->type) ;
801 fields = fields->next ;
803 werror(E_NOT_MEMBER,id->name);
808 /*------------------------------------------------------------------*/
809 /* getStructElement - returns element of a tructure definition */
810 /*------------------------------------------------------------------*/
811 symbol *getStructElement ( structdef *sdef, symbol *sym)
815 for ( field = sdef->fields ; field ; field = field->next )
816 if ( strcmp(field->name,sym->name) == 0)
819 werror(E_NOT_MEMBER,sym->name);
821 return sdef->fields ;
824 /*------------------------------------------------------------------*/
825 /* compStructSize - computes the size of a structure */
826 /*------------------------------------------------------------------*/
827 int compStructSize (int su, structdef *sdef )
829 int sum = 0 , usum =0;
833 /* for the identifiers */
834 loop = sdef->fields ;
837 /* create the internal name for this variable */
838 sprintf (loop->rname,"_%s",loop->name);
839 loop->offset = ( su == UNION ? sum = 0 : sum ) ;
840 SPEC_VOLATILE(loop->etype) |= (su == UNION ? 1 : 0);
842 /* if this is a bit field */
845 /* change it to a unsigned bit */
846 SPEC_NOUN(loop->etype) = V_BIT ;
847 SPEC_USIGN(loop->etype) = 1 ;
848 /* check if this fit into the remaining */
849 /* bits of this byte else align it to the */
850 /* next byte boundary */
851 if ((SPEC_BLEN(loop->etype)=loop->bitVar) <= (8 - bitOffset)) {
852 SPEC_BSTR(loop->etype) = bitOffset ;
853 sum += (loop->bitVar / 8) ;
854 bitOffset += (loop->bitVar % 8);
856 else /* does not fit */
859 SPEC_BSTR(loop->etype) = bitOffset ;
860 sum += (loop->bitVar / 8) ;
861 bitOffset += (loop->bitVar % 8);
863 /* if this is the last field then pad */
864 if (!loop->next && bitOffset) {
871 sum += getSize (loop->type) ;
874 /* if function then do the arguments for it */
875 if (funcInChain(loop->type)) {
876 processFuncArgs (loop, 1);
881 /* if this is not a bitfield but the */
882 /* previous one was and did not take */
883 /* the whole byte then pad the rest */
884 if ((loop && !loop->bitVar) && bitOffset) {
889 /* if union then size = sizeof larget field */
891 usum = max(usum,sum);
895 return (su == UNION ? usum : sum);
898 /*------------------------------------------------------------------*/
899 /* checkSClass - check the storage class specification */
900 /*------------------------------------------------------------------*/
901 static void checkSClass ( symbol *sym )
903 /* type is literal can happen foe enums change
905 if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
906 SPEC_SCLS(sym->etype) = S_AUTO;
908 /* if sfr or sbit then must also be */
909 /* volatile the initial value will be xlated */
910 /* to an absolute address */
911 if (SPEC_SCLS(sym->etype) == S_SBIT ||
912 SPEC_SCLS(sym->etype) == S_SFR ) {
913 SPEC_VOLATILE(sym->etype) = 1;
914 /* if initial value given */
916 SPEC_ABSA(sym->etype) = 1;
917 SPEC_ADDR(sym->etype) =
918 (int) list2int(sym->ival);
923 /* if absolute address given then it mark it as
925 if (IS_ABSOLUTE(sym->etype))
926 SPEC_VOLATILE(sym->etype) = 1;
928 /* global variables declared const put into code */
929 if (sym->level == 0 &&
930 SPEC_SCLS(sym->etype) == S_CONSTANT) {
931 SPEC_SCLS(sym->etype) = S_CODE ;
932 SPEC_CONST(sym->etype) = 1;
935 /* global variable in code space is a constant */
936 if (sym->level == 0 &&
937 SPEC_SCLS(sym->etype) == S_CODE &&
939 SPEC_CONST(sym->etype) = 1;
942 /* if bit variable then no storage class can be */
943 /* specified since bit is already a storage */
944 if ( IS_BITVAR(sym->etype) &&
945 ( SPEC_SCLS(sym->etype) != S_FIXED &&
946 SPEC_SCLS(sym->etype) != S_SBIT &&
947 SPEC_SCLS(sym->etype) != S_BIT )
949 werror (E_BITVAR_STORAGE,sym->name);
950 SPEC_SCLS(sym->etype) = S_FIXED ;
953 /* extern variables cannot be initialized */
954 if (IS_EXTERN(sym->etype) && sym->ival) {
955 werror(E_EXTERN_INIT,sym->name);
959 /* if this is an automatic symbol then */
960 /* storage class will be ignored and */
961 /* symbol will be allocated on stack/ */
962 /* data depending on flag */
964 (options.stackAuto || reentrant ) &&
965 ( SPEC_SCLS(sym->etype) != S_AUTO &&
966 SPEC_SCLS(sym->etype) != S_FIXED &&
967 SPEC_SCLS(sym->etype) != S_REGISTER &&
968 SPEC_SCLS(sym->etype) != S_STACK &&
969 SPEC_SCLS(sym->etype) != S_XSTACK &&
970 SPEC_SCLS(sym->etype) != S_CONSTANT )) {
972 werror(E_AUTO_ASSUMED,sym->name) ;
973 SPEC_SCLS(sym->etype) = S_AUTO ;
976 /* automatic symbols cannot be given */
977 /* an absolute address ignore it */
979 SPEC_ABSA(sym->etype) &&
980 (options.stackAuto || reentrant) ) {
981 werror(E_AUTO_ABSA,sym->name);
982 SPEC_ABSA(sym->etype) = 0 ;
985 /* arrays & pointers cannot be defined for bits */
986 /* SBITS or SFRs or BIT */
987 if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
988 ( SPEC_NOUN(sym->etype) == V_BIT ||
989 SPEC_NOUN(sym->etype) == V_SBIT ||
990 SPEC_SCLS(sym->etype) == S_SFR ))
991 werror(E_BIT_ARRAY,sym->name);
993 /* if this is a bit|sbit then set length & start */
994 if (SPEC_NOUN(sym->etype) == V_BIT ||
995 SPEC_NOUN(sym->etype) == V_SBIT ) {
996 SPEC_BLEN(sym->etype) = 1 ;
997 SPEC_BSTR(sym->etype) = 0 ;
1000 /* variables declared in CODE space must have */
1001 /* initializers if not an extern */
1002 if (SPEC_SCLS(sym->etype) == S_CODE &&
1003 sym->ival == NULL &&
1005 port->mem.code_ro &&
1006 !IS_EXTERN(sym->etype))
1007 werror(E_CODE_NO_INIT,sym->name);
1009 /* if parameter or local variable then change */
1010 /* the storage class to reflect where the var will go */
1011 if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
1012 if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
1014 SPEC_SCLS(sym->etype) = (options.useXstack ?
1015 S_XSTACK : S_STACK ) ;
1019 /* hack-o-matic! I see no reason why the useXstack option should ever
1020 * control this allcoation, but the code was originally that way, and
1021 * changing it for non-390 ports breaks the compiler badly.
1023 bool useXdata = IS_DS390_PORT ? options.model : options.useXstack;
1024 SPEC_SCLS(sym->etype) = (useXdata ?
1025 S_XDATA : S_FIXED ) ;
1030 /*------------------------------------------------------------------*/
1031 /* changePointer - change pointer to functions */
1032 /*------------------------------------------------------------------*/
1033 void changePointer (symbol *sym)
1037 /* go thru the chain of declarations */
1038 /* if we find a pointer to a function */
1039 /* unconditionally change it to a ptr */
1041 for ( p = sym->type ; p ; p = p->next) {
1042 if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
1043 DCL_TYPE(p) = GPOINTER ;
1044 if ( IS_PTR(p) && IS_FUNC(p->next))
1045 DCL_TYPE(p) = CPOINTER ;
1049 /*------------------------------------------------------------------*/
1050 /* checkDecl - does semantic validation of a declaration */
1051 /*------------------------------------------------------------------*/
1052 int checkDecl ( symbol *sym )
1055 checkSClass (sym); /* check the storage class */
1056 changePointer(sym); /* change pointers if required */
1058 /* if this is an array without any dimension
1059 then update the dimension from the initial value */
1060 if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
1061 DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
1066 /*------------------------------------------------------------------*/
1067 /* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
1068 /*------------------------------------------------------------------*/
1069 link *copyLinkChain ( link *p)
1071 link *head, *curr , *loop;
1074 head = loop = ( curr ? newLink() : (void *) NULL) ;
1076 memcpy(loop,curr,sizeof(link)) ; /* copy it */
1077 loop->next = (curr->next ? newLink() : (void *) NULL) ;
1086 /*------------------------------------------------------------------*/
1087 /* cleanUpBlock - cleansup the symbol table specified for all the */
1088 /* symbols in the given block */
1089 /*------------------------------------------------------------------*/
1090 void cleanUpBlock ( bucket **table, int block)
1095 /* go thru the entire table */
1096 for ( i = 0 ; i < 256; i++ ) {
1097 for ( chain = table[i]; chain ; chain = chain->next ) {
1098 if (chain->block >= block) {
1099 deleteSym (table,chain->sym,chain->name);
1105 /*------------------------------------------------------------------*/
1106 /* cleanUpLevel - cleansup the symbol table specified for all the */
1107 /* symbols in the given level */
1108 /*------------------------------------------------------------------*/
1109 void cleanUpLevel (bucket **table, int level )
1114 /* go thru the entire table */
1115 for ( i = 0 ; i < 256; i++ ) {
1116 for ( chain = table[i]; chain ; chain = chain->next ) {
1117 if (chain->level >= level) {
1118 deleteSym (table,chain->sym,chain->name);
1124 /*------------------------------------------------------------------*/
1125 /* computeType - computes the resultant type from two types */
1126 /*------------------------------------------------------------------*/
1127 link *computeType ( link *type1, link *type2)
1131 link *etype1 = getSpec(type1);
1132 link *etype2 = getSpec(type2);
1134 /* if one of them is a float then result is a float */
1135 /* here we assume that the types passed are okay */
1136 /* and can be cast to one another */
1137 /* which ever is greater in size */
1138 if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
1139 rType = newFloatLink();
1141 /* if only one of them is a bit variable
1142 then the other one prevails */
1143 if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
1144 rType = copyLinkChain(type2);
1146 if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
1147 rType = copyLinkChain(type1);
1149 /* if one of them is a pointer then that
1152 rType = copyLinkChain(type1);
1155 rType = copyLinkChain(type2);
1157 if (getSize (type1) > getSize(type2) )
1158 rType = copyLinkChain(type1);
1160 rType = copyLinkChain(type2);
1162 reType = getSpec(rType);
1164 /* if either of them unsigned then make this unsigned */
1165 if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
1166 SPEC_USIGN(reType) = 1;
1168 /* if result is a literal then make not so */
1169 if (IS_LITERAL(reType))
1170 SPEC_SCLS(reType) = S_REGISTER ;
1175 /*------------------------------------------------------------------*/
1176 /* checkType - will do type check return 1 if match */
1177 /*------------------------------------------------------------------*/
1178 int checkType ( link *dest, link *src )
1189 /* if dest is a declarator then */
1190 if (IS_DECL(dest)) {
1192 if (DCL_TYPE(src) == DCL_TYPE(dest))
1193 return checkType(dest->next,src->next);
1195 if (IS_PTR(src) && IS_PTR(dest))
1198 if (IS_PTR(dest) && IS_ARRAY(src))
1201 if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
1202 return -1 * checkType (dest->next,src) ;
1207 if (IS_PTR(dest) && IS_INTEGRAL(src))
1213 /* if one is a specifier and the other is not */
1214 if ((IS_SPEC(src) && !IS_SPEC(dest)) ||
1215 (IS_SPEC(dest) && !IS_SPEC(src))) return 0;
1217 /* if one of them is a void then ok */
1218 if (SPEC_NOUN(dest) == V_VOID &&
1219 SPEC_NOUN(src) != V_VOID )
1222 if (SPEC_NOUN(dest) != V_VOID &&
1223 SPEC_NOUN(src) == V_VOID )
1226 /* char === to short */
1227 if (SPEC_NOUN(dest) == V_CHAR &&
1228 SPEC_NOUN(src) == V_INT &&
1230 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1232 if (SPEC_NOUN(src) == V_CHAR &&
1233 SPEC_NOUN(dest) == V_INT &&
1235 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1237 /* if they are both bitfields then if the lengths
1238 and starts don't match */
1239 if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
1240 (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
1241 SPEC_BSTR(dest) != SPEC_BSTR(src)))
1244 /* it is a specifier */
1245 if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
1246 if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
1247 IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
1248 getSize(dest) == getSize(src))
1251 if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
1257 if (IS_STRUCT(dest)) {
1258 if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
1263 if (SPEC_LONG(dest) != SPEC_LONG(src))
1266 if (SPEC_SHORT(dest) != SPEC_SHORT(src))
1269 if (SPEC_USIGN(dest) != SPEC_USIGN(src))
1275 /*------------------------------------------------------------------*/
1276 /* inCalleeSaveList - return 1 if found in calle save list */
1277 /*------------------------------------------------------------------*/
1278 bool inCalleeSaveList ( char *s)
1282 for (i = 0 ; options.calleeSaves[i] ; i++ )
1283 if (strcmp(options.calleeSaves[i],s) == 0)
1289 /*------------------------------------------------------------------*/
1290 /* checkFunction - does all kinds of check on a function */
1291 /*------------------------------------------------------------------*/
1292 int checkFunction (symbol *sym)
1295 value *exargs, *acargs ;
1298 /* if not type then some kind of error */
1302 /* if the function has no type then make it return int */
1303 if ( !sym->type->next )
1304 sym->type->next = sym->etype = newIntLink();
1306 /* function cannot return aggregate */
1307 if (IS_AGGREGATE(sym->type->next)) {
1308 werror(E_FUNC_AGGR,sym->name);
1312 /* function cannot return bit */
1313 if (IS_BITVAR(sym->type->next)) {
1314 werror(E_FUNC_BIT,sym->name);
1318 /* check if this function is defined as calleeSaves
1319 then mark it as such */
1320 sym->calleeSave = inCalleeSaveList(sym->name);
1322 /* if interrupt service routine */
1323 /* then it cannot have arguments */
1324 if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
1325 werror(E_INT_ARGS,sym->name);
1329 if (!(csym = findSym (SymbolTab, sym, sym->name )))
1330 return 1 ; /* not defined nothing more to check */
1332 /* check if body already present */
1333 if ( csym && csym->fbody ) {
1334 werror(E_FUNC_BODY,sym->name);
1338 /* check the return value type */
1339 if (checkType (csym->type,sym->type) <= 0) {
1340 werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
1341 werror (E_CONTINUE,"previous defintion type ");
1342 printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
1343 werror (E_CONTINUE,"current definition type ");
1344 printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
1348 if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
1349 werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
1353 if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
1354 werror (E_PREV_DEF_CONFLICT,csym->name,"using");
1358 /* compare expected agrs with actual args */
1359 exargs = csym->args ;
1360 acargs = sym->args ;
1362 /* for all the expected args do */
1365 exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
1366 if ( checkType(exargs->type,acargs->type) <= 0) {
1367 werror(E_ARG_TYPE,argCnt);
1372 /* if one them ended we have a problem */
1373 if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
1374 (!exargs && acargs && !IS_VOID(acargs->type)))
1375 werror(E_ARG_COUNT);
1377 /* replace with this defition */
1378 sym->cdef = csym->cdef;
1379 deleteSym (SymbolTab,csym,csym->name);
1380 addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
1381 if (IS_EXTERN(csym->etype) && !
1382 IS_EXTERN(sym->etype)) {
1383 addSet(&publics,sym);
1388 /*-----------------------------------------------------------------*/
1389 /* processFuncArgs - does some processing with function args */
1390 /*-----------------------------------------------------------------*/
1391 void processFuncArgs (symbol *func, int ignoreName)
1397 /* if this function has variable argument list */
1398 /* then make the function a reentrant one */
1400 SPEC_RENT(func->etype) = 1;
1402 /* check if this function is defined as calleeSaves
1403 then mark it as such */
1404 func->calleeSave = inCalleeSaveList(func->name);
1406 val = func->args; /* loop thru all the arguments */
1408 /* if it is void then remove parameters */
1409 if (val && IS_VOID(val->type)) {
1414 /* reset regparm for the port */
1415 (*port->reset_regparms)();
1416 /* if any of the arguments is an aggregate */
1417 /* change it to pointer to the same type */
1419 /* mark it as a register parameter if
1420 the function does not have VA_ARG
1421 and as port dictates
1422 not inhibited by command line option or #pragma */
1423 if (!func->hasVargs &&
1424 !options.noregparms &&
1425 !IS_RENT(func->etype) &&
1426 (*port->reg_parm)(val->type)) {
1427 SPEC_REGPARM(val->etype) = 1;
1430 if ( IS_AGGREGATE(val->type)) {
1431 /* if this is a structure */
1432 /* then we need to add a new link */
1433 if (IS_STRUCT(val->type)) {
1434 /* first lets add DECLARATOR type */
1435 link *p = val->type ;
1437 werror(W_STRUCT_AS_ARG,val->name);
1438 val->type = newLink();
1439 val->type->next = p ;
1442 /* change to a pointer depending on the */
1443 /* storage class specified */
1444 switch (SPEC_SCLS(val->etype)) {
1446 DCL_TYPE(val->type) = IPOINTER;
1449 DCL_TYPE(val->type) = PPOINTER;
1455 DCL_TYPE(val->type) = POINTER ;
1458 DCL_TYPE(val->type) = CPOINTER;
1461 DCL_TYPE(val->type) = FPOINTER;
1464 DCL_TYPE(val->type) = EEPPOINTER;
1467 DCL_TYPE(val->type) = GPOINTER;
1470 /* is there is a symbol associated then */
1471 /* change the type of the symbol as well*/
1473 val->sym->type = copyLinkChain(val->type);
1474 val->sym->etype = getSpec(val->sym->type);
1482 /* if this function is reentrant or */
1483 /* automatics r 2b stacked then nothing */
1484 if (IS_RENT(func->etype) || options.stackAuto )
1491 /* if a symbolname is not given */
1492 /* synthesize a variable name */
1495 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1496 val->sym = newSymbol(val->name,1);
1497 SPEC_OCLS(val->etype) = port->mem.default_local_map;
1498 val->sym->type = copyLinkChain (val->type);
1499 val->sym->etype = getSpec (val->sym->type);
1500 val->sym->_isparm = 1;
1501 strcpy (val->sym->rname,val->name);
1502 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1503 SPEC_STAT(func->etype);
1504 addSymChain(val->sym);
1507 else /* symbol name given create synth name */ {
1509 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1510 strcpy (val->sym->rname,val->name);
1511 val->sym->_isparm = 1;
1512 SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
1513 (options.model != MODEL_SMALL ? xdata : data);
1514 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1515 SPEC_STAT(func->etype);
1521 /*-----------------------------------------------------------------*/
1522 /* isSymbolEqual - compares two symbols return 1 if they match */
1523 /*-----------------------------------------------------------------*/
1524 int isSymbolEqual (symbol *dest, symbol *src)
1526 /* if pointers match then equal */
1530 /* if one of them is null then don't match */
1534 /* if both of them have rname match on rname */
1535 if (dest->rname[0] && src->rname[0])
1536 return (!strcmp(dest->rname,src->rname));
1538 /* otherwise match on name */
1539 return (!strcmp(dest->name,src->name));
1542 /*-----------------------------------------------------------------*/
1543 /* printTypeChain - prints the type chain in human readable form */
1544 /*-----------------------------------------------------------------*/
1545 void printTypeChain (link *type, FILE *of)
1555 if (IS_DECL(type)) {
1556 switch (DCL_TYPE(type)) {
1558 fprintf (of,"function ");
1561 fprintf (of,"_generic * ");
1562 if (DCL_PTR_CONST(type))
1563 fprintf(of,"const ");
1566 fprintf (of,"_code * ");
1567 if (DCL_PTR_CONST(type))
1568 fprintf(of,"const ");
1571 fprintf (of,"_far * ");
1572 if (DCL_PTR_CONST(type))
1573 fprintf(of,"const ");
1576 fprintf (of,"_eeprom * ");
1577 if (DCL_PTR_CONST(type))
1578 fprintf(of,"const ");
1582 fprintf (of,"_near * ");
1583 if (DCL_PTR_CONST(type))
1584 fprintf(of,"const ");
1587 fprintf (of,"_idata *");
1588 if (DCL_PTR_CONST(type))
1589 fprintf(of,"const ");
1592 fprintf (of,"_pdata *");
1593 if (DCL_PTR_CONST(type))
1594 fprintf(of,"const ");
1597 fprintf (of," _unkown *");
1598 if (DCL_PTR_CONST(type))
1599 fprintf(of,"const ");
1603 fprintf (of,"array of ");
1607 if (SPEC_VOLATILE(type))
1608 fprintf (of,"volatile ");
1609 if (SPEC_USIGN(type))
1610 fprintf (of,"unsigned ");
1612 switch (SPEC_NOUN(type)) {
1615 fprintf (of,"long ");
1618 fprintf (of,"short ");
1620 fprintf (of,"int ");
1624 fprintf(of,"char ");
1628 fprintf(of,"void ");
1632 fprintf(of,"float ");
1636 fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
1640 fprintf(of,"sbit ");
1644 fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
1657 /*-----------------------------------------------------------------*/
1658 /* cdbTypeInfo - print the type information for debugger */
1659 /*-----------------------------------------------------------------*/
1660 void cdbTypeInfo (link *type,FILE *of)
1662 fprintf(of,"{%d}",getSize(type));
1664 if (IS_DECL(type)) {
1665 switch (DCL_TYPE(type)) {
1691 fprintf (of,"DA%d,",DCL_ELEM(type));
1697 switch (SPEC_NOUN(type)) {
1721 fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
1729 fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
1736 if (SPEC_USIGN(type))
1744 /*-----------------------------------------------------------------*/
1745 /* cdbSymbol - prints a symbol & its type information for debugger */
1746 /*-----------------------------------------------------------------*/
1747 void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
1759 fprintf(of,"S:"); /* symbol record */
1760 /* if this is not a structure symbol then
1761 we need to figure out the scope information */
1765 if (IS_STATIC(sym->etype))
1766 fprintf(of,"F%s$",moduleName); /* scope is file */
1768 fprintf(of,"G$"); /* scope is global */
1771 /* symbol is local */
1772 fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
1774 fprintf(of,"S$"); /* scope is structure */
1776 /* print the name, & mangled name */
1777 fprintf(of,"%s$%d$%d(",sym->name,
1778 sym->level,sym->block);
1780 cdbTypeInfo(sym->type,of);
1783 /* print the address space */
1784 map = SPEC_OCLS(sym->etype);
1785 fprintf(of,"%c,%d,%d",
1786 (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
1788 /* if assigned to registers then output register names */
1789 /* if this is a function then print
1790 if is it an interrupt routine & interrupt number
1791 and the register bank it is using */
1793 fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
1794 SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
1795 /* alternate location to find this symbol @ : eg registers
1802 /*-----------------------------------------------------------------*/
1803 /* cdbStruct - print a structure for debugger */
1804 /*-----------------------------------------------------------------*/
1805 void cdbStruct ( structdef *sdef,int block,FILE *of,
1806 int inStruct, char *tag)
1811 /* if block # then must have function scope */
1812 fprintf(of,"F%s$",moduleName);
1813 fprintf(of,"%s[",(tag ? tag : sdef->tag));
1814 for (sym=sdef->fields ; sym ; sym = sym->next) {
1815 fprintf(of,"({%d}",sym->offset);
1816 cdbSymbol(sym,of,TRUE,FALSE);
1824 /*------------------------------------------------------------------*/
1825 /* cdbStructBlock - calls struct printing for a blcks */
1826 /*------------------------------------------------------------------*/
1827 void cdbStructBlock (int block , FILE *of)
1830 bucket **table = StructTab;
1834 /* go thru the entire table */
1835 for ( i = 0 ; i < 256; i++ ) {
1836 for ( chain = table[i]; chain ; chain = chain->next ) {
1837 if (chain->block >= block) {
1838 cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
1844 /*-----------------------------------------------------------------*/
1845 /* powof2 - returns power of two for the number if number is pow 2 */
1846 /*-----------------------------------------------------------------*/
1847 int powof2 (unsigned long num)
1853 if (num & 1) n1s++ ;
1858 if (n1s > 1 || nshifts == 0) return 0;
1859 return nshifts - 1 ;
1873 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
1874 symbol *__muldiv[3][3][2];
1875 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
1876 link *__multypes[3][2];
1877 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
1878 symbol *__conv[2][3][2];
1882 static void _makeRegParam(symbol *sym)
1886 val = sym->args; /* loop thru all the arguments */
1888 /* reset regparm for the port */
1889 (*port->reset_regparms)();
1891 SPEC_REGPARM(val->etype) = 1;
1892 sym->argStack -= getSize(val->type);
1897 /*-----------------------------------------------------------------*/
1898 /* initCSupport - create functions for C support routines */
1899 /*-----------------------------------------------------------------*/
1900 void initCSupport ()
1902 const char *smuldivmod[] = {
1905 const char *sbwd[] = {
1906 "char", "int", "long"
1908 const char *ssu[] = {
1912 int bwd, su, muldivmod, tofrom;
1914 floatType= newFloatLink();
1916 for (bwd = 0; bwd < 3; bwd++) {
1931 __multypes[bwd][0] = l;
1932 __multypes[bwd][1] = copyLinkChain(l);
1933 SPEC_USIGN(__multypes[bwd][1]) = 1;
1936 __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
1937 __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
1938 __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
1939 __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
1940 __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
1941 __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
1942 __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
1943 __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
1944 __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
1945 __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
1947 for (tofrom = 0; tofrom < 2; tofrom++) {
1948 for (bwd = 0; bwd < 3; bwd++) {
1949 for (su = 0; su < 2; su++) {
1951 sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
1952 __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
1955 sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
1956 __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
1962 for (muldivmod = 0; muldivmod < 3; muldivmod++) {
1963 for (bwd = 0; bwd < 3; bwd++) {
1964 for (su = 0; su < 2; su++) {
1965 sprintf(buffer, "_%s%s%s",
1966 smuldivmod[muldivmod],
1969 __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
1970 SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
1971 if (bwd < port->muldiv.force_reg_param_below)
1972 _makeRegParam(__muldiv[muldivmod][bwd][su]);