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 link *petype = getSpec(stype);
792 if ( ! fields || ! id)
795 /* look for the id */
797 if (strcmp(fields->rname,id->name) == 0) {
799 *argsp = fields->args;
801 type = copyLinkChain (fields->type) ;
803 SPEC_SCLS(etype) = SPEC_SCLS(petype);
806 fields = fields->next ;
808 werror(E_NOT_MEMBER,id->name);
813 /*------------------------------------------------------------------*/
814 /* getStructElement - returns element of a tructure definition */
815 /*------------------------------------------------------------------*/
816 symbol *getStructElement ( structdef *sdef, symbol *sym)
820 for ( field = sdef->fields ; field ; field = field->next )
821 if ( strcmp(field->name,sym->name) == 0)
824 werror(E_NOT_MEMBER,sym->name);
826 return sdef->fields ;
829 /*------------------------------------------------------------------*/
830 /* compStructSize - computes the size of a structure */
831 /*------------------------------------------------------------------*/
832 int compStructSize (int su, structdef *sdef )
834 int sum = 0 , usum =0;
838 /* for the identifiers */
839 loop = sdef->fields ;
842 /* create the internal name for this variable */
843 sprintf (loop->rname,"_%s",loop->name);
844 loop->offset = ( su == UNION ? sum = 0 : sum ) ;
845 SPEC_VOLATILE(loop->etype) |= (su == UNION ? 1 : 0);
847 /* if this is a bit field */
850 /* change it to a unsigned bit */
851 SPEC_NOUN(loop->etype) = V_BIT ;
852 SPEC_USIGN(loop->etype) = 1 ;
853 /* check if this fit into the remaining */
854 /* bits of this byte else align it to the */
855 /* next byte boundary */
856 if ((SPEC_BLEN(loop->etype)=loop->bitVar) <= (8 - bitOffset)) {
857 SPEC_BSTR(loop->etype) = bitOffset ;
858 if ((bitOffset += (loop->bitVar % 8)) == 8) sum++;
860 else /* does not fit */
863 SPEC_BSTR(loop->etype) = bitOffset ;
864 sum += (loop->bitVar / 8) ;
865 bitOffset += (loop->bitVar % 8);
867 /* if this is the last field then pad */
868 if (!loop->next && bitOffset && bitOffset != 8) {
875 sum += getSize (loop->type) ;
878 /* if function then do the arguments for it */
879 if (funcInChain(loop->type)) {
880 processFuncArgs (loop, 1);
885 /* if this is not a bitfield but the */
886 /* previous one was and did not take */
887 /* the whole byte then pad the rest */
888 if ((loop && !loop->bitVar) && bitOffset) {
893 /* if union then size = sizeof larget field */
895 usum = max(usum,sum);
899 return (su == UNION ? usum : sum);
902 /*------------------------------------------------------------------*/
903 /* checkSClass - check the storage class specification */
904 /*------------------------------------------------------------------*/
905 static void checkSClass ( symbol *sym )
907 /* type is literal can happen foe enums change
909 if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
910 SPEC_SCLS(sym->etype) = S_AUTO;
912 /* if sfr or sbit then must also be */
913 /* volatile the initial value will be xlated */
914 /* to an absolute address */
915 if (SPEC_SCLS(sym->etype) == S_SBIT ||
916 SPEC_SCLS(sym->etype) == S_SFR ) {
917 SPEC_VOLATILE(sym->etype) = 1;
918 /* if initial value given */
920 SPEC_ABSA(sym->etype) = 1;
921 SPEC_ADDR(sym->etype) =
922 (int) list2int(sym->ival);
927 /* if absolute address given then it mark it as
929 if (IS_ABSOLUTE(sym->etype))
930 SPEC_VOLATILE(sym->etype) = 1;
932 /* global variables declared const put into code */
933 if (sym->level == 0 &&
934 SPEC_SCLS(sym->etype) == S_CONSTANT) {
935 SPEC_SCLS(sym->etype) = S_CODE ;
936 SPEC_CONST(sym->etype) = 1;
939 /* global variable in code space is a constant */
940 if (sym->level == 0 &&
941 SPEC_SCLS(sym->etype) == S_CODE &&
943 SPEC_CONST(sym->etype) = 1;
946 /* if bit variable then no storage class can be */
947 /* specified since bit is already a storage */
948 if ( IS_BITVAR(sym->etype) &&
949 ( SPEC_SCLS(sym->etype) != S_FIXED &&
950 SPEC_SCLS(sym->etype) != S_SBIT &&
951 SPEC_SCLS(sym->etype) != S_BIT )
953 werror (E_BITVAR_STORAGE,sym->name);
954 SPEC_SCLS(sym->etype) = S_FIXED ;
957 /* extern variables cannot be initialized */
958 if (IS_EXTERN(sym->etype) && sym->ival) {
959 werror(E_EXTERN_INIT,sym->name);
963 /* if this is an automatic symbol then */
964 /* storage class will be ignored and */
965 /* symbol will be allocated on stack/ */
966 /* data depending on flag */
968 (options.stackAuto || reentrant ) &&
969 ( SPEC_SCLS(sym->etype) != S_AUTO &&
970 SPEC_SCLS(sym->etype) != S_FIXED &&
971 SPEC_SCLS(sym->etype) != S_REGISTER &&
972 SPEC_SCLS(sym->etype) != S_STACK &&
973 SPEC_SCLS(sym->etype) != S_XSTACK &&
974 SPEC_SCLS(sym->etype) != S_CONSTANT )) {
976 werror(E_AUTO_ASSUMED,sym->name) ;
977 SPEC_SCLS(sym->etype) = S_AUTO ;
980 /* automatic symbols cannot be given */
981 /* an absolute address ignore it */
983 SPEC_ABSA(sym->etype) &&
984 (options.stackAuto || reentrant) ) {
985 werror(E_AUTO_ABSA,sym->name);
986 SPEC_ABSA(sym->etype) = 0 ;
989 /* arrays & pointers cannot be defined for bits */
990 /* SBITS or SFRs or BIT */
991 if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
992 ( SPEC_NOUN(sym->etype) == V_BIT ||
993 SPEC_NOUN(sym->etype) == V_SBIT ||
994 SPEC_SCLS(sym->etype) == S_SFR ))
995 werror(E_BIT_ARRAY,sym->name);
997 /* if this is a bit|sbit then set length & start */
998 if (SPEC_NOUN(sym->etype) == V_BIT ||
999 SPEC_NOUN(sym->etype) == V_SBIT ) {
1000 SPEC_BLEN(sym->etype) = 1 ;
1001 SPEC_BSTR(sym->etype) = 0 ;
1004 /* variables declared in CODE space must have */
1005 /* initializers if not an extern */
1006 if (SPEC_SCLS(sym->etype) == S_CODE &&
1007 sym->ival == NULL &&
1009 port->mem.code_ro &&
1010 !IS_EXTERN(sym->etype))
1011 werror(E_CODE_NO_INIT,sym->name);
1013 /* if parameter or local variable then change */
1014 /* the storage class to reflect where the var will go */
1015 if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
1016 if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
1018 SPEC_SCLS(sym->etype) = (options.useXstack ?
1019 S_XSTACK : S_STACK ) ;
1023 /* hack-o-matic! I see no reason why the useXstack option should ever
1024 * control this allcoation, but the code was originally that way, and
1025 * changing it for non-390 ports breaks the compiler badly.
1027 bool useXdata = IS_DS390_PORT ? options.model : options.useXstack;
1028 SPEC_SCLS(sym->etype) = (useXdata ?
1029 S_XDATA : S_FIXED ) ;
1034 /*------------------------------------------------------------------*/
1035 /* changePointer - change pointer to functions */
1036 /*------------------------------------------------------------------*/
1037 void changePointer (symbol *sym)
1041 /* go thru the chain of declarations */
1042 /* if we find a pointer to a function */
1043 /* unconditionally change it to a ptr */
1045 for ( p = sym->type ; p ; p = p->next) {
1046 if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
1047 DCL_TYPE(p) = GPOINTER ;
1048 if ( IS_PTR(p) && IS_FUNC(p->next))
1049 DCL_TYPE(p) = CPOINTER ;
1053 /*------------------------------------------------------------------*/
1054 /* checkDecl - does semantic validation of a declaration */
1055 /*------------------------------------------------------------------*/
1056 int checkDecl ( symbol *sym )
1059 checkSClass (sym); /* check the storage class */
1060 changePointer(sym); /* change pointers if required */
1062 /* if this is an array without any dimension
1063 then update the dimension from the initial value */
1064 if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
1065 DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
1070 /*------------------------------------------------------------------*/
1071 /* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
1072 /*------------------------------------------------------------------*/
1073 link *copyLinkChain ( link *p)
1075 link *head, *curr , *loop;
1078 head = loop = ( curr ? newLink() : (void *) NULL) ;
1080 memcpy(loop,curr,sizeof(link)) ; /* copy it */
1081 loop->next = (curr->next ? newLink() : (void *) NULL) ;
1090 /*------------------------------------------------------------------*/
1091 /* cleanUpBlock - cleansup the symbol table specified for all the */
1092 /* symbols in the given block */
1093 /*------------------------------------------------------------------*/
1094 void cleanUpBlock ( bucket **table, int block)
1099 /* go thru the entire table */
1100 for ( i = 0 ; i < 256; i++ ) {
1101 for ( chain = table[i]; chain ; chain = chain->next ) {
1102 if (chain->block >= block) {
1103 deleteSym (table,chain->sym,chain->name);
1109 /*------------------------------------------------------------------*/
1110 /* cleanUpLevel - cleansup the symbol table specified for all the */
1111 /* symbols in the given level */
1112 /*------------------------------------------------------------------*/
1113 void cleanUpLevel (bucket **table, int level )
1118 /* go thru the entire table */
1119 for ( i = 0 ; i < 256; i++ ) {
1120 for ( chain = table[i]; chain ; chain = chain->next ) {
1121 if (chain->level >= level) {
1122 deleteSym (table,chain->sym,chain->name);
1128 /*------------------------------------------------------------------*/
1129 /* computeType - computes the resultant type from two types */
1130 /*------------------------------------------------------------------*/
1131 link *computeType ( link *type1, link *type2)
1135 link *etype1 = getSpec(type1);
1136 link *etype2 = getSpec(type2);
1138 /* if one of them is a float then result is a float */
1139 /* here we assume that the types passed are okay */
1140 /* and can be cast to one another */
1141 /* which ever is greater in size */
1142 if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
1143 rType = newFloatLink();
1145 /* if only one of them is a bit variable
1146 then the other one prevails */
1147 if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
1148 rType = copyLinkChain(type2);
1150 if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
1151 rType = copyLinkChain(type1);
1153 /* if one of them is a pointer then that
1156 rType = copyLinkChain(type1);
1159 rType = copyLinkChain(type2);
1161 if (getSize (type1) > getSize(type2) )
1162 rType = copyLinkChain(type1);
1164 rType = copyLinkChain(type2);
1166 reType = getSpec(rType);
1168 /* if either of them unsigned then make this unsigned */
1169 if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
1170 SPEC_USIGN(reType) = 1;
1172 /* if result is a literal then make not so */
1173 if (IS_LITERAL(reType))
1174 SPEC_SCLS(reType) = S_REGISTER ;
1179 /*------------------------------------------------------------------*/
1180 /* checkType - will do type check return 1 if match */
1181 /*------------------------------------------------------------------*/
1182 int checkType ( link *dest, link *src )
1193 /* if dest is a declarator then */
1194 if (IS_DECL(dest)) {
1196 if (DCL_TYPE(src) == DCL_TYPE(dest))
1197 return checkType(dest->next,src->next);
1199 if (IS_PTR(src) && IS_PTR(dest))
1202 if (IS_PTR(dest) && IS_ARRAY(src))
1205 if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
1206 return -1 * checkType (dest->next,src) ;
1211 if (IS_PTR(dest) && IS_INTEGRAL(src))
1217 /* if one is a specifier and the other is not */
1218 if ((IS_SPEC(src) && !IS_SPEC(dest)) ||
1219 (IS_SPEC(dest) && !IS_SPEC(src))) return 0;
1221 /* if one of them is a void then ok */
1222 if (SPEC_NOUN(dest) == V_VOID &&
1223 SPEC_NOUN(src) != V_VOID )
1226 if (SPEC_NOUN(dest) != V_VOID &&
1227 SPEC_NOUN(src) == V_VOID )
1230 /* char === to short */
1231 if (SPEC_NOUN(dest) == V_CHAR &&
1232 SPEC_NOUN(src) == V_INT &&
1234 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1236 if (SPEC_NOUN(src) == V_CHAR &&
1237 SPEC_NOUN(dest) == V_INT &&
1239 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1241 /* if they are both bitfields then if the lengths
1242 and starts don't match */
1243 if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
1244 (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
1245 SPEC_BSTR(dest) != SPEC_BSTR(src)))
1248 /* it is a specifier */
1249 if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
1250 if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
1251 IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
1252 getSize(dest) == getSize(src))
1255 if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
1261 if (IS_STRUCT(dest)) {
1262 if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
1267 if (SPEC_LONG(dest) != SPEC_LONG(src))
1270 if (SPEC_SHORT(dest) != SPEC_SHORT(src))
1273 if (SPEC_USIGN(dest) != SPEC_USIGN(src))
1279 /*------------------------------------------------------------------*/
1280 /* inCalleeSaveList - return 1 if found in calle save list */
1281 /*------------------------------------------------------------------*/
1282 bool inCalleeSaveList ( char *s)
1286 for (i = 0 ; options.calleeSaves[i] ; i++ )
1287 if (strcmp(options.calleeSaves[i],s) == 0)
1293 /*------------------------------------------------------------------*/
1294 /* checkFunction - does all kinds of check on a function */
1295 /*------------------------------------------------------------------*/
1296 int checkFunction (symbol *sym)
1299 value *exargs, *acargs ;
1302 /* if not type then some kind of error */
1306 /* if the function has no type then make it return int */
1307 if ( !sym->type->next )
1308 sym->type->next = sym->etype = newIntLink();
1310 /* function cannot return aggregate */
1311 if (IS_AGGREGATE(sym->type->next)) {
1312 werror(E_FUNC_AGGR,sym->name);
1316 /* function cannot return bit */
1317 if (IS_BITVAR(sym->type->next)) {
1318 werror(E_FUNC_BIT,sym->name);
1322 /* check if this function is defined as calleeSaves
1323 then mark it as such */
1324 sym->calleeSave = inCalleeSaveList(sym->name);
1326 /* if interrupt service routine */
1327 /* then it cannot have arguments */
1328 if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
1329 werror(E_INT_ARGS,sym->name);
1333 if (!(csym = findSym (SymbolTab, sym, sym->name )))
1334 return 1 ; /* not defined nothing more to check */
1336 /* check if body already present */
1337 if ( csym && csym->fbody ) {
1338 werror(E_FUNC_BODY,sym->name);
1342 /* check the return value type */
1343 if (checkType (csym->type,sym->type) <= 0) {
1344 werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
1345 werror (E_CONTINUE,"previous defintion type ");
1346 printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
1347 werror (E_CONTINUE,"current definition type ");
1348 printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
1352 if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
1353 werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
1357 if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
1358 werror (E_PREV_DEF_CONFLICT,csym->name,"using");
1362 /* compare expected agrs with actual args */
1363 exargs = csym->args ;
1364 acargs = sym->args ;
1366 /* for all the expected args do */
1369 exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
1370 if ( checkType(exargs->type,acargs->type) <= 0) {
1371 werror(E_ARG_TYPE,argCnt);
1376 /* if one them ended we have a problem */
1377 if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
1378 (!exargs && acargs && !IS_VOID(acargs->type)))
1379 werror(E_ARG_COUNT);
1381 /* replace with this defition */
1382 sym->cdef = csym->cdef;
1383 deleteSym (SymbolTab,csym,csym->name);
1384 addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
1385 if (IS_EXTERN(csym->etype) && !
1386 IS_EXTERN(sym->etype)) {
1387 addSet(&publics,sym);
1392 /*-----------------------------------------------------------------*/
1393 /* processFuncArgs - does some processing with function args */
1394 /*-----------------------------------------------------------------*/
1395 void processFuncArgs (symbol *func, int ignoreName)
1401 /* if this function has variable argument list */
1402 /* then make the function a reentrant one */
1404 SPEC_RENT(func->etype) = 1;
1406 /* check if this function is defined as calleeSaves
1407 then mark it as such */
1408 func->calleeSave = inCalleeSaveList(func->name);
1410 val = func->args; /* loop thru all the arguments */
1412 /* if it is void then remove parameters */
1413 if (val && IS_VOID(val->type)) {
1418 /* reset regparm for the port */
1419 (*port->reset_regparms)();
1420 /* if any of the arguments is an aggregate */
1421 /* change it to pointer to the same type */
1423 /* mark it as a register parameter if
1424 the function does not have VA_ARG
1425 and as port dictates
1426 not inhibited by command line option or #pragma */
1427 if (!func->hasVargs &&
1428 !options.noregparms &&
1429 !IS_RENT(func->etype) &&
1430 (*port->reg_parm)(val->type)) {
1431 SPEC_REGPARM(val->etype) = 1;
1434 if ( IS_AGGREGATE(val->type)) {
1435 /* if this is a structure */
1436 /* then we need to add a new link */
1437 if (IS_STRUCT(val->type)) {
1438 /* first lets add DECLARATOR type */
1439 link *p = val->type ;
1441 werror(W_STRUCT_AS_ARG,val->name);
1442 val->type = newLink();
1443 val->type->next = p ;
1446 /* change to a pointer depending on the */
1447 /* storage class specified */
1448 switch (SPEC_SCLS(val->etype)) {
1450 DCL_TYPE(val->type) = IPOINTER;
1453 DCL_TYPE(val->type) = PPOINTER;
1459 DCL_TYPE(val->type) = POINTER ;
1462 DCL_TYPE(val->type) = CPOINTER;
1465 DCL_TYPE(val->type) = FPOINTER;
1468 DCL_TYPE(val->type) = EEPPOINTER;
1471 DCL_TYPE(val->type) = GPOINTER;
1474 /* is there is a symbol associated then */
1475 /* change the type of the symbol as well*/
1477 val->sym->type = copyLinkChain(val->type);
1478 val->sym->etype = getSpec(val->sym->type);
1486 /* if this function is reentrant or */
1487 /* automatics r 2b stacked then nothing */
1488 if (IS_RENT(func->etype) || options.stackAuto )
1495 /* if a symbolname is not given */
1496 /* synthesize a variable name */
1499 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1500 val->sym = newSymbol(val->name,1);
1501 SPEC_OCLS(val->etype) = port->mem.default_local_map;
1502 val->sym->type = copyLinkChain (val->type);
1503 val->sym->etype = getSpec (val->sym->type);
1504 val->sym->_isparm = 1;
1505 strcpy (val->sym->rname,val->name);
1506 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1507 SPEC_STAT(func->etype);
1508 addSymChain(val->sym);
1511 else /* symbol name given create synth name */ {
1513 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1514 strcpy (val->sym->rname,val->name);
1515 val->sym->_isparm = 1;
1516 SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
1517 (options.model != MODEL_SMALL ? xdata : data);
1518 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1519 SPEC_STAT(func->etype);
1525 /*-----------------------------------------------------------------*/
1526 /* isSymbolEqual - compares two symbols return 1 if they match */
1527 /*-----------------------------------------------------------------*/
1528 int isSymbolEqual (symbol *dest, symbol *src)
1530 /* if pointers match then equal */
1534 /* if one of them is null then don't match */
1538 /* if both of them have rname match on rname */
1539 if (dest->rname[0] && src->rname[0])
1540 return (!strcmp(dest->rname,src->rname));
1542 /* otherwise match on name */
1543 return (!strcmp(dest->name,src->name));
1546 /*-----------------------------------------------------------------*/
1547 /* printTypeChain - prints the type chain in human readable form */
1548 /*-----------------------------------------------------------------*/
1549 void printTypeChain (link *type, FILE *of)
1559 if (IS_DECL(type)) {
1560 switch (DCL_TYPE(type)) {
1562 fprintf (of,"function ");
1565 fprintf (of,"_generic * ");
1566 if (DCL_PTR_CONST(type))
1567 fprintf(of,"const ");
1570 fprintf (of,"_code * ");
1571 if (DCL_PTR_CONST(type))
1572 fprintf(of,"const ");
1575 fprintf (of,"_far * ");
1576 if (DCL_PTR_CONST(type))
1577 fprintf(of,"const ");
1580 fprintf (of,"_eeprom * ");
1581 if (DCL_PTR_CONST(type))
1582 fprintf(of,"const ");
1586 fprintf (of,"_near * ");
1587 if (DCL_PTR_CONST(type))
1588 fprintf(of,"const ");
1591 fprintf (of,"_idata *");
1592 if (DCL_PTR_CONST(type))
1593 fprintf(of,"const ");
1596 fprintf (of,"_pdata *");
1597 if (DCL_PTR_CONST(type))
1598 fprintf(of,"const ");
1601 fprintf (of," _unkown *");
1602 if (DCL_PTR_CONST(type))
1603 fprintf(of,"const ");
1607 fprintf (of,"array of ");
1611 if (SPEC_VOLATILE(type))
1612 fprintf (of,"volatile ");
1613 if (SPEC_USIGN(type))
1614 fprintf (of,"unsigned ");
1616 switch (SPEC_NOUN(type)) {
1619 fprintf (of,"long ");
1622 fprintf (of,"short ");
1624 fprintf (of,"int ");
1628 fprintf(of,"char ");
1632 fprintf(of,"void ");
1636 fprintf(of,"float ");
1640 fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
1644 fprintf(of,"sbit ");
1648 fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
1661 /*-----------------------------------------------------------------*/
1662 /* cdbTypeInfo - print the type information for debugger */
1663 /*-----------------------------------------------------------------*/
1664 void cdbTypeInfo (link *type,FILE *of)
1666 fprintf(of,"{%d}",getSize(type));
1668 if (IS_DECL(type)) {
1669 switch (DCL_TYPE(type)) {
1695 fprintf (of,"DA%d,",DCL_ELEM(type));
1701 switch (SPEC_NOUN(type)) {
1725 fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
1733 fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
1740 if (SPEC_USIGN(type))
1748 /*-----------------------------------------------------------------*/
1749 /* cdbSymbol - prints a symbol & its type information for debugger */
1750 /*-----------------------------------------------------------------*/
1751 void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
1763 fprintf(of,"S:"); /* symbol record */
1764 /* if this is not a structure symbol then
1765 we need to figure out the scope information */
1769 if (IS_STATIC(sym->etype))
1770 fprintf(of,"F%s$",moduleName); /* scope is file */
1772 fprintf(of,"G$"); /* scope is global */
1775 /* symbol is local */
1776 fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
1778 fprintf(of,"S$"); /* scope is structure */
1780 /* print the name, & mangled name */
1781 fprintf(of,"%s$%d$%d(",sym->name,
1782 sym->level,sym->block);
1784 cdbTypeInfo(sym->type,of);
1787 /* print the address space */
1788 map = SPEC_OCLS(sym->etype);
1789 fprintf(of,"%c,%d,%d",
1790 (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
1792 /* if assigned to registers then output register names */
1793 /* if this is a function then print
1794 if is it an interrupt routine & interrupt number
1795 and the register bank it is using */
1797 fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
1798 SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
1799 /* alternate location to find this symbol @ : eg registers
1806 /*-----------------------------------------------------------------*/
1807 /* cdbStruct - print a structure for debugger */
1808 /*-----------------------------------------------------------------*/
1809 void cdbStruct ( structdef *sdef,int block,FILE *of,
1810 int inStruct, char *tag)
1815 /* if block # then must have function scope */
1816 fprintf(of,"F%s$",moduleName);
1817 fprintf(of,"%s[",(tag ? tag : sdef->tag));
1818 for (sym=sdef->fields ; sym ; sym = sym->next) {
1819 fprintf(of,"({%d}",sym->offset);
1820 cdbSymbol(sym,of,TRUE,FALSE);
1828 /*------------------------------------------------------------------*/
1829 /* cdbStructBlock - calls struct printing for a blcks */
1830 /*------------------------------------------------------------------*/
1831 void cdbStructBlock (int block , FILE *of)
1834 bucket **table = StructTab;
1838 /* go thru the entire table */
1839 for ( i = 0 ; i < 256; i++ ) {
1840 for ( chain = table[i]; chain ; chain = chain->next ) {
1841 if (chain->block >= block) {
1842 cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
1848 /*-----------------------------------------------------------------*/
1849 /* powof2 - returns power of two for the number if number is pow 2 */
1850 /*-----------------------------------------------------------------*/
1851 int powof2 (unsigned long num)
1857 if (num & 1) n1s++ ;
1862 if (n1s > 1 || nshifts == 0) return 0;
1863 return nshifts - 1 ;
1877 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
1878 symbol *__muldiv[3][3][2];
1879 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
1880 link *__multypes[3][2];
1881 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
1882 symbol *__conv[2][3][2];
1886 static void _makeRegParam(symbol *sym)
1890 val = sym->args; /* loop thru all the arguments */
1892 /* reset regparm for the port */
1893 (*port->reset_regparms)();
1895 SPEC_REGPARM(val->etype) = 1;
1896 sym->argStack -= getSize(val->type);
1901 /*-----------------------------------------------------------------*/
1902 /* initCSupport - create functions for C support routines */
1903 /*-----------------------------------------------------------------*/
1904 void initCSupport ()
1906 const char *smuldivmod[] = {
1909 const char *sbwd[] = {
1910 "char", "int", "long"
1912 const char *ssu[] = {
1916 int bwd, su, muldivmod, tofrom;
1918 floatType= newFloatLink();
1920 for (bwd = 0; bwd < 3; bwd++) {
1935 __multypes[bwd][0] = l;
1936 __multypes[bwd][1] = copyLinkChain(l);
1937 SPEC_USIGN(__multypes[bwd][1]) = 1;
1940 __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
1941 __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
1942 __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
1943 __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
1944 __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
1945 __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
1946 __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
1947 __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
1948 __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
1949 __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
1951 for (tofrom = 0; tofrom < 2; tofrom++) {
1952 for (bwd = 0; bwd < 3; bwd++) {
1953 for (su = 0; su < 2; su++) {
1955 sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
1956 __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
1959 sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
1960 __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
1966 for (muldivmod = 0; muldivmod < 3; muldivmod++) {
1967 for (bwd = 0; bwd < 3; bwd++) {
1968 for (su = 0; su < 2; su++) {
1969 sprintf(buffer, "_%s%s%s",
1970 smuldivmod[muldivmod],
1973 __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
1974 SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
1975 if (bwd < port->muldiv.force_reg_param_below)
1976 _makeRegParam(__muldiv[muldivmod][bwd][su]);