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 ;
843 /* create the internal name for this variable */
844 sprintf (loop->rname,"_%s",loop->name);
845 loop->offset = ( su == UNION ? sum = 0 : sum ) ;
846 SPEC_VOLATILE(loop->etype) |= (su == UNION ? 1 : 0);
848 /* if this is a bit field */
851 /* change it to a unsigned bit */
852 SPEC_NOUN(loop->etype) = V_BIT ;
853 SPEC_USIGN(loop->etype) = 1 ;
854 /* check if this fit into the remaining */
855 /* bits of this byte else align it to the */
856 /* next byte boundary */
857 if ((SPEC_BLEN(loop->etype)=loop->bitVar) <= (8 - bitOffset)) {
858 SPEC_BSTR(loop->etype) = bitOffset ;
859 sum += (loop->bitVar / 8) ;
860 bitOffset += (loop->bitVar % 8);
862 else /* does not fit */
865 SPEC_BSTR(loop->etype) = bitOffset ;
866 sum += (loop->bitVar / 8) ;
867 bitOffset += (loop->bitVar % 8);
869 /* if this is the last field then pad */
870 if (!loop->next && bitOffset) {
877 sum += getSize (loop->type) ;
880 /* if function then do the arguments for it */
881 if (funcInChain(loop->type)) {
882 processFuncArgs (loop, 1);
884 pbvar = loop->bitVar;
886 /* if this is a bitvar & the previous one was not */
887 if (loop && loop->bitVar && pbvar == 0) {
891 /* if this is not a bitfield but the */
892 /* previous one was and did not take */
893 /* the whole byte then pad the rest */
894 if ((loop && !loop->bitVar) && bitOffset) {
899 /* if union then size = sizeof larget field */
901 usum = max(usum,sum);
905 return (su == UNION ? usum : sum);
908 /*------------------------------------------------------------------*/
909 /* checkSClass - check the storage class specification */
910 /*------------------------------------------------------------------*/
911 static void checkSClass ( symbol *sym )
913 /* type is literal can happen foe enums change
915 if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
916 SPEC_SCLS(sym->etype) = S_AUTO;
918 /* if sfr or sbit then must also be */
919 /* volatile the initial value will be xlated */
920 /* to an absolute address */
921 if (SPEC_SCLS(sym->etype) == S_SBIT ||
922 SPEC_SCLS(sym->etype) == S_SFR ) {
923 SPEC_VOLATILE(sym->etype) = 1;
924 /* if initial value given */
926 SPEC_ABSA(sym->etype) = 1;
927 SPEC_ADDR(sym->etype) =
928 (int) list2int(sym->ival);
933 /* if absolute address given then it mark it as
935 if (IS_ABSOLUTE(sym->etype))
936 SPEC_VOLATILE(sym->etype) = 1;
938 /* global variables declared const put into code */
939 if (sym->level == 0 &&
940 SPEC_SCLS(sym->etype) == S_CONSTANT) {
941 SPEC_SCLS(sym->etype) = S_CODE ;
942 SPEC_CONST(sym->etype) = 1;
945 /* global variable in code space is a constant */
946 if (sym->level == 0 &&
947 SPEC_SCLS(sym->etype) == S_CODE &&
949 SPEC_CONST(sym->etype) = 1;
952 /* if bit variable then no storage class can be */
953 /* specified since bit is already a storage */
954 if ( IS_BITVAR(sym->etype) &&
955 ( SPEC_SCLS(sym->etype) != S_FIXED &&
956 SPEC_SCLS(sym->etype) != S_SBIT &&
957 SPEC_SCLS(sym->etype) != S_BIT )
959 werror (E_BITVAR_STORAGE,sym->name);
960 SPEC_SCLS(sym->etype) = S_FIXED ;
963 /* extern variables cannot be initialized */
964 if (IS_EXTERN(sym->etype) && sym->ival) {
965 werror(E_EXTERN_INIT,sym->name);
969 /* if this is an automatic symbol then */
970 /* storage class will be ignored and */
971 /* symbol will be allocated on stack/ */
972 /* data depending on flag */
974 (options.stackAuto || reentrant ) &&
975 ( SPEC_SCLS(sym->etype) != S_AUTO &&
976 SPEC_SCLS(sym->etype) != S_FIXED &&
977 SPEC_SCLS(sym->etype) != S_REGISTER &&
978 SPEC_SCLS(sym->etype) != S_STACK &&
979 SPEC_SCLS(sym->etype) != S_XSTACK &&
980 SPEC_SCLS(sym->etype) != S_CONSTANT )) {
982 werror(E_AUTO_ASSUMED,sym->name) ;
983 SPEC_SCLS(sym->etype) = S_AUTO ;
986 /* automatic symbols cannot be given */
987 /* an absolute address ignore it */
989 SPEC_ABSA(sym->etype) &&
990 (options.stackAuto || reentrant) ) {
991 werror(E_AUTO_ABSA,sym->name);
992 SPEC_ABSA(sym->etype) = 0 ;
995 /* arrays & pointers cannot be defined for bits */
996 /* SBITS or SFRs or BIT */
997 if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
998 ( SPEC_NOUN(sym->etype) == V_BIT ||
999 SPEC_NOUN(sym->etype) == V_SBIT ||
1000 SPEC_SCLS(sym->etype) == S_SFR ))
1001 werror(E_BIT_ARRAY,sym->name);
1003 /* if this is a bit|sbit then set length & start */
1004 if (SPEC_NOUN(sym->etype) == V_BIT ||
1005 SPEC_NOUN(sym->etype) == V_SBIT ) {
1006 SPEC_BLEN(sym->etype) = 1 ;
1007 SPEC_BSTR(sym->etype) = 0 ;
1010 /* variables declared in CODE space must have */
1011 /* initializers if not an extern */
1012 if (SPEC_SCLS(sym->etype) == S_CODE &&
1013 sym->ival == NULL &&
1015 port->mem.code_ro &&
1016 !IS_EXTERN(sym->etype))
1017 werror(E_CODE_NO_INIT,sym->name);
1019 /* if parameter or local variable then change */
1020 /* the storage class to reflect where the var will go */
1021 if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
1022 if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
1024 SPEC_SCLS(sym->etype) = (options.useXstack ?
1025 S_XSTACK : S_STACK ) ;
1029 /* hack-o-matic! I see no reason why the useXstack option should ever
1030 * control this allcoation, but the code was originally that way, and
1031 * changing it for non-390 ports breaks the compiler badly.
1033 bool useXdata = IS_DS390_PORT ? options.model : options.useXstack;
1034 SPEC_SCLS(sym->etype) = (useXdata ?
1035 S_XDATA : S_FIXED ) ;
1040 /*------------------------------------------------------------------*/
1041 /* changePointer - change pointer to functions */
1042 /*------------------------------------------------------------------*/
1043 void changePointer (symbol *sym)
1047 /* go thru the chain of declarations */
1048 /* if we find a pointer to a function */
1049 /* unconditionally change it to a ptr */
1051 for ( p = sym->type ; p ; p = p->next) {
1052 if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
1053 DCL_TYPE(p) = GPOINTER ;
1054 if ( IS_PTR(p) && IS_FUNC(p->next))
1055 DCL_TYPE(p) = CPOINTER ;
1059 /*------------------------------------------------------------------*/
1060 /* checkDecl - does semantic validation of a declaration */
1061 /*------------------------------------------------------------------*/
1062 int checkDecl ( symbol *sym )
1065 checkSClass (sym); /* check the storage class */
1066 changePointer(sym); /* change pointers if required */
1068 /* if this is an array without any dimension
1069 then update the dimension from the initial value */
1070 if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
1071 DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
1076 /*------------------------------------------------------------------*/
1077 /* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
1078 /*------------------------------------------------------------------*/
1079 link *copyLinkChain ( link *p)
1081 link *head, *curr , *loop;
1084 head = loop = ( curr ? newLink() : (void *) NULL) ;
1086 memcpy(loop,curr,sizeof(link)) ; /* copy it */
1087 loop->next = (curr->next ? newLink() : (void *) NULL) ;
1096 /*------------------------------------------------------------------*/
1097 /* cleanUpBlock - cleansup the symbol table specified for all the */
1098 /* symbols in the given block */
1099 /*------------------------------------------------------------------*/
1100 void cleanUpBlock ( bucket **table, int block)
1105 /* go thru the entire table */
1106 for ( i = 0 ; i < 256; i++ ) {
1107 for ( chain = table[i]; chain ; chain = chain->next ) {
1108 if (chain->block >= block) {
1109 deleteSym (table,chain->sym,chain->name);
1115 /*------------------------------------------------------------------*/
1116 /* cleanUpLevel - cleansup the symbol table specified for all the */
1117 /* symbols in the given level */
1118 /*------------------------------------------------------------------*/
1119 void cleanUpLevel (bucket **table, int level )
1124 /* go thru the entire table */
1125 for ( i = 0 ; i < 256; i++ ) {
1126 for ( chain = table[i]; chain ; chain = chain->next ) {
1127 if (chain->level >= level) {
1128 deleteSym (table,chain->sym,chain->name);
1134 /*------------------------------------------------------------------*/
1135 /* computeType - computes the resultant type from two types */
1136 /*------------------------------------------------------------------*/
1137 link *computeType ( link *type1, link *type2)
1141 link *etype1 = getSpec(type1);
1142 link *etype2 = getSpec(type2);
1144 /* if one of them is a float then result is a float */
1145 /* here we assume that the types passed are okay */
1146 /* and can be cast to one another */
1147 /* which ever is greater in size */
1148 if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
1149 rType = newFloatLink();
1151 /* if only one of them is a bit variable
1152 then the other one prevails */
1153 if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
1154 rType = copyLinkChain(type2);
1156 if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
1157 rType = copyLinkChain(type1);
1159 /* if one of them is a pointer then that
1162 rType = copyLinkChain(type1);
1165 rType = copyLinkChain(type2);
1167 if (getSize (type1) > getSize(type2) )
1168 rType = copyLinkChain(type1);
1170 rType = copyLinkChain(type2);
1172 reType = getSpec(rType);
1174 /* if either of them unsigned then make this unsigned */
1175 if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
1176 SPEC_USIGN(reType) = 1;
1178 /* if result is a literal then make not so */
1179 if (IS_LITERAL(reType))
1180 SPEC_SCLS(reType) = S_REGISTER ;
1185 /*------------------------------------------------------------------*/
1186 /* checkType - will do type check return 1 if match */
1187 /*------------------------------------------------------------------*/
1188 int checkType ( link *dest, link *src )
1199 /* if dest is a declarator then */
1200 if (IS_DECL(dest)) {
1202 if (DCL_TYPE(src) == DCL_TYPE(dest))
1203 return checkType(dest->next,src->next);
1205 if (IS_PTR(src) && IS_PTR(dest))
1208 if (IS_PTR(dest) && IS_ARRAY(src))
1211 if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
1212 return -1 * checkType (dest->next,src) ;
1217 if (IS_PTR(dest) && IS_INTEGRAL(src))
1223 /* if one is a specifier and the other is not */
1224 if ((IS_SPEC(src) && !IS_SPEC(dest)) ||
1225 (IS_SPEC(dest) && !IS_SPEC(src))) return 0;
1227 /* if one of them is a void then ok */
1228 if (SPEC_NOUN(dest) == V_VOID &&
1229 SPEC_NOUN(src) != V_VOID )
1232 if (SPEC_NOUN(dest) != V_VOID &&
1233 SPEC_NOUN(src) == V_VOID )
1236 /* char === to short */
1237 if (SPEC_NOUN(dest) == V_CHAR &&
1238 SPEC_NOUN(src) == V_INT &&
1240 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1242 if (SPEC_NOUN(src) == V_CHAR &&
1243 SPEC_NOUN(dest) == V_INT &&
1245 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1247 /* if they are both bitfields then if the lengths
1248 and starts don't match */
1249 if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
1250 (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
1251 SPEC_BSTR(dest) != SPEC_BSTR(src)))
1254 /* it is a specifier */
1255 if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
1256 if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
1257 IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
1258 getSize(dest) == getSize(src))
1261 if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
1267 if (IS_STRUCT(dest)) {
1268 if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
1273 if (SPEC_LONG(dest) != SPEC_LONG(src))
1276 if (SPEC_SHORT(dest) != SPEC_SHORT(src))
1279 if (SPEC_USIGN(dest) != SPEC_USIGN(src))
1285 /*------------------------------------------------------------------*/
1286 /* inCalleeSaveList - return 1 if found in calle save list */
1287 /*------------------------------------------------------------------*/
1288 bool inCalleeSaveList ( char *s)
1292 for (i = 0 ; options.calleeSaves[i] ; i++ )
1293 if (strcmp(options.calleeSaves[i],s) == 0)
1299 /*------------------------------------------------------------------*/
1300 /* checkFunction - does all kinds of check on a function */
1301 /*------------------------------------------------------------------*/
1302 int checkFunction (symbol *sym)
1305 value *exargs, *acargs ;
1308 /* if not type then some kind of error */
1312 /* if the function has no type then make it return int */
1313 if ( !sym->type->next )
1314 sym->type->next = sym->etype = newIntLink();
1316 /* function cannot return aggregate */
1317 if (IS_AGGREGATE(sym->type->next)) {
1318 werror(E_FUNC_AGGR,sym->name);
1322 /* function cannot return bit */
1323 if (IS_BITVAR(sym->type->next)) {
1324 werror(E_FUNC_BIT,sym->name);
1328 /* check if this function is defined as calleeSaves
1329 then mark it as such */
1330 sym->calleeSave = inCalleeSaveList(sym->name);
1332 /* if interrupt service routine */
1333 /* then it cannot have arguments */
1334 if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
1335 werror(E_INT_ARGS,sym->name);
1339 if (!(csym = findSym (SymbolTab, sym, sym->name )))
1340 return 1 ; /* not defined nothing more to check */
1342 /* check if body already present */
1343 if ( csym && csym->fbody ) {
1344 werror(E_FUNC_BODY,sym->name);
1348 /* check the return value type */
1349 if (checkType (csym->type,sym->type) <= 0) {
1350 werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
1351 werror (E_CONTINUE,"previous defintion type ");
1352 printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
1353 werror (E_CONTINUE,"current definition type ");
1354 printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
1358 if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
1359 werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
1363 if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
1364 werror (E_PREV_DEF_CONFLICT,csym->name,"using");
1368 /* compare expected agrs with actual args */
1369 exargs = csym->args ;
1370 acargs = sym->args ;
1372 /* for all the expected args do */
1375 exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
1376 if ( checkType(exargs->type,acargs->type) <= 0) {
1377 werror(E_ARG_TYPE,argCnt);
1382 /* if one them ended we have a problem */
1383 if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
1384 (!exargs && acargs && !IS_VOID(acargs->type)))
1385 werror(E_ARG_COUNT);
1387 /* replace with this defition */
1388 sym->cdef = csym->cdef;
1389 deleteSym (SymbolTab,csym,csym->name);
1390 addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
1391 if (IS_EXTERN(csym->etype) && !
1392 IS_EXTERN(sym->etype)) {
1393 addSet(&publics,sym);
1398 /*-----------------------------------------------------------------*/
1399 /* processFuncArgs - does some processing with function args */
1400 /*-----------------------------------------------------------------*/
1401 void processFuncArgs (symbol *func, int ignoreName)
1407 /* if this function has variable argument list */
1408 /* then make the function a reentrant one */
1410 SPEC_RENT(func->etype) = 1;
1412 /* check if this function is defined as calleeSaves
1413 then mark it as such */
1414 func->calleeSave = inCalleeSaveList(func->name);
1416 val = func->args; /* loop thru all the arguments */
1418 /* if it is void then remove parameters */
1419 if (val && IS_VOID(val->type)) {
1424 /* reset regparm for the port */
1425 (*port->reset_regparms)();
1426 /* if any of the arguments is an aggregate */
1427 /* change it to pointer to the same type */
1429 /* mark it as a register parameter if
1430 the function does not have VA_ARG
1431 and as port dictates
1432 not inhibited by command line option or #pragma */
1433 if (!func->hasVargs &&
1434 !options.noregparms &&
1435 !IS_RENT(func->etype) &&
1436 (*port->reg_parm)(val->type)) {
1437 SPEC_REGPARM(val->etype) = 1;
1440 if ( IS_AGGREGATE(val->type)) {
1441 /* if this is a structure */
1442 /* then we need to add a new link */
1443 if (IS_STRUCT(val->type)) {
1444 /* first lets add DECLARATOR type */
1445 link *p = val->type ;
1447 werror(W_STRUCT_AS_ARG,val->name);
1448 val->type = newLink();
1449 val->type->next = p ;
1452 /* change to a pointer depending on the */
1453 /* storage class specified */
1454 switch (SPEC_SCLS(val->etype)) {
1456 DCL_TYPE(val->type) = IPOINTER;
1459 DCL_TYPE(val->type) = PPOINTER;
1465 DCL_TYPE(val->type) = POINTER ;
1468 DCL_TYPE(val->type) = CPOINTER;
1471 DCL_TYPE(val->type) = FPOINTER;
1474 DCL_TYPE(val->type) = EEPPOINTER;
1477 DCL_TYPE(val->type) = GPOINTER;
1480 /* is there is a symbol associated then */
1481 /* change the type of the symbol as well*/
1483 val->sym->type = copyLinkChain(val->type);
1484 val->sym->etype = getSpec(val->sym->type);
1492 /* if this function is reentrant or */
1493 /* automatics r 2b stacked then nothing */
1494 if (IS_RENT(func->etype) || options.stackAuto )
1501 /* if a symbolname is not given */
1502 /* synthesize a variable name */
1505 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1506 val->sym = newSymbol(val->name,1);
1507 SPEC_OCLS(val->etype) = port->mem.default_local_map;
1508 val->sym->type = copyLinkChain (val->type);
1509 val->sym->etype = getSpec (val->sym->type);
1510 val->sym->_isparm = 1;
1511 strcpy (val->sym->rname,val->name);
1512 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1513 SPEC_STAT(func->etype);
1514 addSymChain(val->sym);
1517 else /* symbol name given create synth name */ {
1519 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1520 strcpy (val->sym->rname,val->name);
1521 val->sym->_isparm = 1;
1522 SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
1523 (options.model != MODEL_SMALL ? xdata : data);
1524 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1525 SPEC_STAT(func->etype);
1531 /*-----------------------------------------------------------------*/
1532 /* isSymbolEqual - compares two symbols return 1 if they match */
1533 /*-----------------------------------------------------------------*/
1534 int isSymbolEqual (symbol *dest, symbol *src)
1536 /* if pointers match then equal */
1540 /* if one of them is null then don't match */
1544 /* if both of them have rname match on rname */
1545 if (dest->rname[0] && src->rname[0])
1546 return (!strcmp(dest->rname,src->rname));
1548 /* otherwise match on name */
1549 return (!strcmp(dest->name,src->name));
1552 /*-----------------------------------------------------------------*/
1553 /* printTypeChain - prints the type chain in human readable form */
1554 /*-----------------------------------------------------------------*/
1555 void printTypeChain (link *type, FILE *of)
1565 if (IS_DECL(type)) {
1566 switch (DCL_TYPE(type)) {
1568 fprintf (of,"function ");
1571 fprintf (of,"_generic * ");
1572 if (DCL_PTR_CONST(type))
1573 fprintf(of,"const ");
1576 fprintf (of,"_code * ");
1577 if (DCL_PTR_CONST(type))
1578 fprintf(of,"const ");
1581 fprintf (of,"_far * ");
1582 if (DCL_PTR_CONST(type))
1583 fprintf(of,"const ");
1586 fprintf (of,"_eeprom * ");
1587 if (DCL_PTR_CONST(type))
1588 fprintf(of,"const ");
1592 fprintf (of,"_near * ");
1593 if (DCL_PTR_CONST(type))
1594 fprintf(of,"const ");
1597 fprintf (of,"_idata *");
1598 if (DCL_PTR_CONST(type))
1599 fprintf(of,"const ");
1602 fprintf (of,"_pdata *");
1603 if (DCL_PTR_CONST(type))
1604 fprintf(of,"const ");
1607 fprintf (of," _unkown *");
1608 if (DCL_PTR_CONST(type))
1609 fprintf(of,"const ");
1613 fprintf (of,"array of ");
1617 if (SPEC_VOLATILE(type))
1618 fprintf (of,"volatile ");
1619 if (SPEC_USIGN(type))
1620 fprintf (of,"unsigned ");
1622 switch (SPEC_NOUN(type)) {
1625 fprintf (of,"long ");
1628 fprintf (of,"short ");
1630 fprintf (of,"int ");
1634 fprintf(of,"char ");
1638 fprintf(of,"void ");
1642 fprintf(of,"float ");
1646 fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
1650 fprintf(of,"sbit ");
1654 fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
1667 /*-----------------------------------------------------------------*/
1668 /* cdbTypeInfo - print the type information for debugger */
1669 /*-----------------------------------------------------------------*/
1670 void cdbTypeInfo (link *type,FILE *of)
1672 fprintf(of,"{%d}",getSize(type));
1674 if (IS_DECL(type)) {
1675 switch (DCL_TYPE(type)) {
1701 fprintf (of,"DA%d,",DCL_ELEM(type));
1707 switch (SPEC_NOUN(type)) {
1731 fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
1739 fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
1746 if (SPEC_USIGN(type))
1754 /*-----------------------------------------------------------------*/
1755 /* cdbSymbol - prints a symbol & its type information for debugger */
1756 /*-----------------------------------------------------------------*/
1757 void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
1769 fprintf(of,"S:"); /* symbol record */
1770 /* if this is not a structure symbol then
1771 we need to figure out the scope information */
1775 if (IS_STATIC(sym->etype))
1776 fprintf(of,"F%s$",moduleName); /* scope is file */
1778 fprintf(of,"G$"); /* scope is global */
1781 /* symbol is local */
1782 fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
1784 fprintf(of,"S$"); /* scope is structure */
1786 /* print the name, & mangled name */
1787 fprintf(of,"%s$%d$%d(",sym->name,
1788 sym->level,sym->block);
1790 cdbTypeInfo(sym->type,of);
1793 /* print the address space */
1794 map = SPEC_OCLS(sym->etype);
1795 fprintf(of,"%c,%d,%d",
1796 (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
1798 /* if assigned to registers then output register names */
1799 /* if this is a function then print
1800 if is it an interrupt routine & interrupt number
1801 and the register bank it is using */
1803 fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
1804 SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
1805 /* alternate location to find this symbol @ : eg registers
1812 /*-----------------------------------------------------------------*/
1813 /* cdbStruct - print a structure for debugger */
1814 /*-----------------------------------------------------------------*/
1815 void cdbStruct ( structdef *sdef,int block,FILE *of,
1816 int inStruct, char *tag)
1821 /* if block # then must have function scope */
1822 fprintf(of,"F%s$",moduleName);
1823 fprintf(of,"%s[",(tag ? tag : sdef->tag));
1824 for (sym=sdef->fields ; sym ; sym = sym->next) {
1825 fprintf(of,"({%d}",sym->offset);
1826 cdbSymbol(sym,of,TRUE,FALSE);
1834 /*------------------------------------------------------------------*/
1835 /* cdbStructBlock - calls struct printing for a blcks */
1836 /*------------------------------------------------------------------*/
1837 void cdbStructBlock (int block , FILE *of)
1840 bucket **table = StructTab;
1844 /* go thru the entire table */
1845 for ( i = 0 ; i < 256; i++ ) {
1846 for ( chain = table[i]; chain ; chain = chain->next ) {
1847 if (chain->block >= block) {
1848 cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
1854 /*-----------------------------------------------------------------*/
1855 /* powof2 - returns power of two for the number if number is pow 2 */
1856 /*-----------------------------------------------------------------*/
1857 int powof2 (unsigned long num)
1863 if (num & 1) n1s++ ;
1868 if (n1s > 1 || nshifts == 0) return 0;
1869 return nshifts - 1 ;
1883 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
1884 symbol *__muldiv[3][3][2];
1885 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
1886 link *__multypes[3][2];
1887 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
1888 symbol *__conv[2][3][2];
1892 static void _makeRegParam(symbol *sym)
1896 val = sym->args; /* loop thru all the arguments */
1898 /* reset regparm for the port */
1899 (*port->reset_regparms)();
1901 SPEC_REGPARM(val->etype) = 1;
1902 sym->argStack -= getSize(val->type);
1907 /*-----------------------------------------------------------------*/
1908 /* initCSupport - create functions for C support routines */
1909 /*-----------------------------------------------------------------*/
1910 void initCSupport ()
1912 const char *smuldivmod[] = {
1915 const char *sbwd[] = {
1916 "char", "int", "long"
1918 const char *ssu[] = {
1922 int bwd, su, muldivmod, tofrom;
1924 floatType= newFloatLink();
1926 for (bwd = 0; bwd < 3; bwd++) {
1941 __multypes[bwd][0] = l;
1942 __multypes[bwd][1] = copyLinkChain(l);
1943 SPEC_USIGN(__multypes[bwd][1]) = 1;
1946 __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
1947 __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
1948 __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
1949 __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
1950 __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
1951 __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
1952 __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
1953 __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
1954 __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
1955 __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
1957 for (tofrom = 0; tofrom < 2; tofrom++) {
1958 for (bwd = 0; bwd < 3; bwd++) {
1959 for (su = 0; su < 2; su++) {
1961 sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
1962 __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
1965 sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
1966 __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
1972 for (muldivmod = 0; muldivmod < 3; muldivmod++) {
1973 for (bwd = 0; bwd < 3; bwd++) {
1974 for (su = 0; su < 2; su++) {
1975 sprintf(buffer, "_%s%s%s",
1976 smuldivmod[muldivmod],
1979 __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
1980 SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
1981 if (bwd < port->muldiv.force_reg_param_below)
1982 _makeRegParam(__muldiv[muldivmod][bwd][su]);