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) == S_REGISTER ?
804 SPEC_SCLS(etype) : SPEC_SCLS(petype));
807 fields = fields->next ;
809 werror(E_NOT_MEMBER,id->name);
814 /*------------------------------------------------------------------*/
815 /* getStructElement - returns element of a tructure definition */
816 /*------------------------------------------------------------------*/
817 symbol *getStructElement ( structdef *sdef, symbol *sym)
821 for ( field = sdef->fields ; field ; field = field->next )
822 if ( strcmp(field->name,sym->name) == 0)
825 werror(E_NOT_MEMBER,sym->name);
827 return sdef->fields ;
830 /*------------------------------------------------------------------*/
831 /* compStructSize - computes the size of a structure */
832 /*------------------------------------------------------------------*/
833 int compStructSize (int su, structdef *sdef )
835 int sum = 0 , usum =0;
839 /* for the identifiers */
840 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 if ((bitOffset += (loop->bitVar % 8)) == 8) sum++;
861 else /* does not fit */
864 SPEC_BSTR(loop->etype) = bitOffset ;
865 sum += (loop->bitVar / 8) ;
866 bitOffset += (loop->bitVar % 8);
868 /* if this is the last field then pad */
869 if (!loop->next && bitOffset && bitOffset != 8) {
876 sum += getSize (loop->type) ;
879 /* if function then do the arguments for it */
880 if (funcInChain(loop->type)) {
881 processFuncArgs (loop, 1);
886 /* if this is not a bitfield but the */
887 /* previous one was and did not take */
888 /* the whole byte then pad the rest */
889 if ((loop && !loop->bitVar) && bitOffset) {
894 /* if union then size = sizeof larget field */
896 usum = max(usum,sum);
900 return (su == UNION ? usum : sum);
903 /*------------------------------------------------------------------*/
904 /* checkSClass - check the storage class specification */
905 /*------------------------------------------------------------------*/
906 static void checkSClass ( symbol *sym )
908 /* type is literal can happen foe enums change
910 if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
911 SPEC_SCLS(sym->etype) = S_AUTO;
913 /* if sfr or sbit then must also be */
914 /* volatile the initial value will be xlated */
915 /* to an absolute address */
916 if (SPEC_SCLS(sym->etype) == S_SBIT ||
917 SPEC_SCLS(sym->etype) == S_SFR ) {
918 SPEC_VOLATILE(sym->etype) = 1;
919 /* if initial value given */
921 SPEC_ABSA(sym->etype) = 1;
922 SPEC_ADDR(sym->etype) =
923 (int) list2int(sym->ival);
928 /* if absolute address given then it mark it as
930 if (IS_ABSOLUTE(sym->etype))
931 SPEC_VOLATILE(sym->etype) = 1;
933 /* global variables declared const put into code */
934 if (sym->level == 0 &&
935 SPEC_SCLS(sym->etype) == S_CONSTANT) {
936 SPEC_SCLS(sym->etype) = S_CODE ;
937 SPEC_CONST(sym->etype) = 1;
940 /* global variable in code space is a constant */
941 if (sym->level == 0 &&
942 SPEC_SCLS(sym->etype) == S_CODE &&
944 SPEC_CONST(sym->etype) = 1;
947 /* if bit variable then no storage class can be */
948 /* specified since bit is already a storage */
949 if ( IS_BITVAR(sym->etype) &&
950 ( SPEC_SCLS(sym->etype) != S_FIXED &&
951 SPEC_SCLS(sym->etype) != S_SBIT &&
952 SPEC_SCLS(sym->etype) != S_BIT )
954 werror (E_BITVAR_STORAGE,sym->name);
955 SPEC_SCLS(sym->etype) = S_FIXED ;
958 /* extern variables cannot be initialized */
959 if (IS_EXTERN(sym->etype) && sym->ival) {
960 werror(E_EXTERN_INIT,sym->name);
964 /* if this is an automatic symbol then */
965 /* storage class will be ignored and */
966 /* symbol will be allocated on stack/ */
967 /* data depending on flag */
969 (options.stackAuto || reentrant ) &&
970 ( SPEC_SCLS(sym->etype) != S_AUTO &&
971 SPEC_SCLS(sym->etype) != S_FIXED &&
972 SPEC_SCLS(sym->etype) != S_REGISTER &&
973 SPEC_SCLS(sym->etype) != S_STACK &&
974 SPEC_SCLS(sym->etype) != S_XSTACK &&
975 SPEC_SCLS(sym->etype) != S_CONSTANT )) {
977 werror(E_AUTO_ASSUMED,sym->name) ;
978 SPEC_SCLS(sym->etype) = S_AUTO ;
981 /* automatic symbols cannot be given */
982 /* an absolute address ignore it */
984 SPEC_ABSA(sym->etype) &&
985 (options.stackAuto || reentrant) ) {
986 werror(E_AUTO_ABSA,sym->name);
987 SPEC_ABSA(sym->etype) = 0 ;
990 /* arrays & pointers cannot be defined for bits */
991 /* SBITS or SFRs or BIT */
992 if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
993 ( SPEC_NOUN(sym->etype) == V_BIT ||
994 SPEC_NOUN(sym->etype) == V_SBIT ||
995 SPEC_SCLS(sym->etype) == S_SFR ))
996 werror(E_BIT_ARRAY,sym->name);
998 /* if this is a bit|sbit then set length & start */
999 if (SPEC_NOUN(sym->etype) == V_BIT ||
1000 SPEC_NOUN(sym->etype) == V_SBIT ) {
1001 SPEC_BLEN(sym->etype) = 1 ;
1002 SPEC_BSTR(sym->etype) = 0 ;
1005 /* variables declared in CODE space must have */
1006 /* initializers if not an extern */
1007 if (SPEC_SCLS(sym->etype) == S_CODE &&
1008 sym->ival == NULL &&
1010 port->mem.code_ro &&
1011 !IS_EXTERN(sym->etype))
1012 werror(E_CODE_NO_INIT,sym->name);
1014 /* if parameter or local variable then change */
1015 /* the storage class to reflect where the var will go */
1016 if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
1017 if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
1019 SPEC_SCLS(sym->etype) = (options.useXstack ?
1020 S_XSTACK : S_STACK ) ;
1024 /* hack-o-matic! I see no reason why the useXstack option should ever
1025 * control this allcoation, but the code was originally that way, and
1026 * changing it for non-390 ports breaks the compiler badly.
1028 bool useXdata = IS_DS390_PORT ? options.model : options.useXstack;
1029 SPEC_SCLS(sym->etype) = (useXdata ?
1030 S_XDATA : S_FIXED ) ;
1035 /*------------------------------------------------------------------*/
1036 /* changePointer - change pointer to functions */
1037 /*------------------------------------------------------------------*/
1038 void changePointer (symbol *sym)
1042 /* go thru the chain of declarations */
1043 /* if we find a pointer to a function */
1044 /* unconditionally change it to a ptr */
1046 for ( p = sym->type ; p ; p = p->next) {
1047 if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
1048 DCL_TYPE(p) = GPOINTER ;
1049 if ( IS_PTR(p) && IS_FUNC(p->next))
1050 DCL_TYPE(p) = CPOINTER ;
1054 /*------------------------------------------------------------------*/
1055 /* checkDecl - does semantic validation of a declaration */
1056 /*------------------------------------------------------------------*/
1057 int checkDecl ( symbol *sym )
1060 checkSClass (sym); /* check the storage class */
1061 changePointer(sym); /* change pointers if required */
1063 /* if this is an array without any dimension
1064 then update the dimension from the initial value */
1065 if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
1066 DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
1071 /*------------------------------------------------------------------*/
1072 /* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
1073 /*------------------------------------------------------------------*/
1074 link *copyLinkChain ( link *p)
1076 link *head, *curr , *loop;
1079 head = loop = ( curr ? newLink() : (void *) NULL) ;
1081 memcpy(loop,curr,sizeof(link)) ; /* copy it */
1082 loop->next = (curr->next ? newLink() : (void *) NULL) ;
1091 /*------------------------------------------------------------------*/
1092 /* cleanUpBlock - cleansup the symbol table specified for all the */
1093 /* symbols in the given block */
1094 /*------------------------------------------------------------------*/
1095 void cleanUpBlock ( bucket **table, int block)
1100 /* go thru the entire table */
1101 for ( i = 0 ; i < 256; i++ ) {
1102 for ( chain = table[i]; chain ; chain = chain->next ) {
1103 if (chain->block >= block) {
1104 deleteSym (table,chain->sym,chain->name);
1110 /*------------------------------------------------------------------*/
1111 /* cleanUpLevel - cleansup the symbol table specified for all the */
1112 /* symbols in the given level */
1113 /*------------------------------------------------------------------*/
1114 void cleanUpLevel (bucket **table, int level )
1119 /* go thru the entire table */
1120 for ( i = 0 ; i < 256; i++ ) {
1121 for ( chain = table[i]; chain ; chain = chain->next ) {
1122 if (chain->level >= level) {
1123 deleteSym (table,chain->sym,chain->name);
1129 /*------------------------------------------------------------------*/
1130 /* computeType - computes the resultant type from two types */
1131 /*------------------------------------------------------------------*/
1132 link *computeType ( link *type1, link *type2)
1136 link *etype1 = getSpec(type1);
1137 link *etype2 = getSpec(type2);
1139 /* if one of them is a float then result is a float */
1140 /* here we assume that the types passed are okay */
1141 /* and can be cast to one another */
1142 /* which ever is greater in size */
1143 if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
1144 rType = newFloatLink();
1146 /* if only one of them is a bit variable
1147 then the other one prevails */
1148 if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
1149 rType = copyLinkChain(type2);
1151 if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
1152 rType = copyLinkChain(type1);
1154 /* if one of them is a pointer then that
1157 rType = copyLinkChain(type1);
1160 rType = copyLinkChain(type2);
1162 if (getSize (type1) > getSize(type2) )
1163 rType = copyLinkChain(type1);
1165 rType = copyLinkChain(type2);
1167 reType = getSpec(rType);
1169 /* if either of them unsigned then make this unsigned */
1170 if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
1171 SPEC_USIGN(reType) = 1;
1173 /* if result is a literal then make not so */
1174 if (IS_LITERAL(reType))
1175 SPEC_SCLS(reType) = S_REGISTER ;
1180 /*------------------------------------------------------------------*/
1181 /* checkType - will do type check return 1 if match */
1182 /*------------------------------------------------------------------*/
1183 int checkType ( link *dest, link *src )
1194 /* if dest is a declarator then */
1195 if (IS_DECL(dest)) {
1197 if (DCL_TYPE(src) == DCL_TYPE(dest))
1198 return checkType(dest->next,src->next);
1200 if (IS_PTR(src) && IS_PTR(dest))
1203 if (IS_PTR(dest) && IS_ARRAY(src))
1206 if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
1207 return -1 * checkType (dest->next,src) ;
1212 if (IS_PTR(dest) && IS_INTEGRAL(src))
1218 /* if one is a specifier and the other is not */
1219 if ((IS_SPEC(src) && !IS_SPEC(dest)) ||
1220 (IS_SPEC(dest) && !IS_SPEC(src))) return 0;
1222 /* if one of them is a void then ok */
1223 if (SPEC_NOUN(dest) == V_VOID &&
1224 SPEC_NOUN(src) != V_VOID )
1227 if (SPEC_NOUN(dest) != V_VOID &&
1228 SPEC_NOUN(src) == V_VOID )
1231 /* char === to short */
1232 if (SPEC_NOUN(dest) == V_CHAR &&
1233 SPEC_NOUN(src) == V_INT &&
1235 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1237 if (SPEC_NOUN(src) == V_CHAR &&
1238 SPEC_NOUN(dest) == V_INT &&
1240 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1242 /* if they are both bitfields then if the lengths
1243 and starts don't match */
1244 if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
1245 (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
1246 SPEC_BSTR(dest) != SPEC_BSTR(src)))
1249 /* it is a specifier */
1250 if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
1251 if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
1252 IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
1253 getSize(dest) == getSize(src))
1256 if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
1262 if (IS_STRUCT(dest)) {
1263 if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
1268 if (SPEC_LONG(dest) != SPEC_LONG(src))
1271 if (SPEC_SHORT(dest) != SPEC_SHORT(src))
1274 if (SPEC_USIGN(dest) != SPEC_USIGN(src))
1280 /*------------------------------------------------------------------*/
1281 /* inCalleeSaveList - return 1 if found in calle save list */
1282 /*------------------------------------------------------------------*/
1283 bool inCalleeSaveList ( char *s)
1287 for (i = 0 ; options.calleeSaves[i] ; i++ )
1288 if (strcmp(options.calleeSaves[i],s) == 0)
1294 /*------------------------------------------------------------------*/
1295 /* checkFunction - does all kinds of check on a function */
1296 /*------------------------------------------------------------------*/
1297 int checkFunction (symbol *sym)
1300 value *exargs, *acargs ;
1303 /* if not type then some kind of error */
1307 /* if the function has no type then make it return int */
1308 if ( !sym->type->next )
1309 sym->type->next = sym->etype = newIntLink();
1311 /* function cannot return aggregate */
1312 if (IS_AGGREGATE(sym->type->next)) {
1313 werror(E_FUNC_AGGR,sym->name);
1317 /* function cannot return bit */
1318 if (IS_BITVAR(sym->type->next)) {
1319 werror(E_FUNC_BIT,sym->name);
1323 /* check if this function is defined as calleeSaves
1324 then mark it as such */
1325 sym->calleeSave = inCalleeSaveList(sym->name);
1327 /* if interrupt service routine */
1328 /* then it cannot have arguments */
1329 if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
1330 werror(E_INT_ARGS,sym->name);
1334 if (!(csym = findSym (SymbolTab, sym, sym->name )))
1335 return 1 ; /* not defined nothing more to check */
1337 /* check if body already present */
1338 if ( csym && csym->fbody ) {
1339 werror(E_FUNC_BODY,sym->name);
1343 /* check the return value type */
1344 if (checkType (csym->type,sym->type) <= 0) {
1345 werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
1346 werror (E_CONTINUE,"previous defintion type ");
1347 printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
1348 werror (E_CONTINUE,"current definition type ");
1349 printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
1353 if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
1354 werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
1358 if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
1359 werror (E_PREV_DEF_CONFLICT,csym->name,"using");
1363 /* compare expected agrs with actual args */
1364 exargs = csym->args ;
1365 acargs = sym->args ;
1367 /* for all the expected args do */
1370 exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
1371 if ( checkType(exargs->type,acargs->type) <= 0) {
1372 werror(E_ARG_TYPE,argCnt);
1377 /* if one them ended we have a problem */
1378 if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
1379 (!exargs && acargs && !IS_VOID(acargs->type)))
1380 werror(E_ARG_COUNT);
1382 /* replace with this defition */
1383 sym->cdef = csym->cdef;
1384 deleteSym (SymbolTab,csym,csym->name);
1385 addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
1386 if (IS_EXTERN(csym->etype) && !
1387 IS_EXTERN(sym->etype)) {
1388 addSet(&publics,sym);
1393 /*-----------------------------------------------------------------*/
1394 /* processFuncArgs - does some processing with function args */
1395 /*-----------------------------------------------------------------*/
1396 void processFuncArgs (symbol *func, int ignoreName)
1402 /* if this function has variable argument list */
1403 /* then make the function a reentrant one */
1405 SPEC_RENT(func->etype) = 1;
1407 /* check if this function is defined as calleeSaves
1408 then mark it as such */
1409 func->calleeSave = inCalleeSaveList(func->name);
1411 val = func->args; /* loop thru all the arguments */
1413 /* if it is void then remove parameters */
1414 if (val && IS_VOID(val->type)) {
1419 /* reset regparm for the port */
1420 (*port->reset_regparms)();
1421 /* if any of the arguments is an aggregate */
1422 /* change it to pointer to the same type */
1424 /* mark it as a register parameter if
1425 the function does not have VA_ARG
1426 and as port dictates
1427 not inhibited by command line option or #pragma */
1428 if (!func->hasVargs &&
1429 !options.noregparms &&
1430 !IS_RENT(func->etype) &&
1431 (*port->reg_parm)(val->type)) {
1432 SPEC_REGPARM(val->etype) = 1;
1435 if ( IS_AGGREGATE(val->type)) {
1436 /* if this is a structure */
1437 /* then we need to add a new link */
1438 if (IS_STRUCT(val->type)) {
1439 /* first lets add DECLARATOR type */
1440 link *p = val->type ;
1442 werror(W_STRUCT_AS_ARG,val->name);
1443 val->type = newLink();
1444 val->type->next = p ;
1447 /* change to a pointer depending on the */
1448 /* storage class specified */
1449 switch (SPEC_SCLS(val->etype)) {
1451 DCL_TYPE(val->type) = IPOINTER;
1454 DCL_TYPE(val->type) = PPOINTER;
1460 DCL_TYPE(val->type) = POINTER ;
1463 DCL_TYPE(val->type) = CPOINTER;
1466 DCL_TYPE(val->type) = FPOINTER;
1469 DCL_TYPE(val->type) = EEPPOINTER;
1472 DCL_TYPE(val->type) = GPOINTER;
1475 /* is there is a symbol associated then */
1476 /* change the type of the symbol as well*/
1478 val->sym->type = copyLinkChain(val->type);
1479 val->sym->etype = getSpec(val->sym->type);
1487 /* if this function is reentrant or */
1488 /* automatics r 2b stacked then nothing */
1489 if (IS_RENT(func->etype) || options.stackAuto )
1496 /* if a symbolname is not given */
1497 /* synthesize a variable name */
1500 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1501 val->sym = newSymbol(val->name,1);
1502 SPEC_OCLS(val->etype) = port->mem.default_local_map;
1503 val->sym->type = copyLinkChain (val->type);
1504 val->sym->etype = getSpec (val->sym->type);
1505 val->sym->_isparm = 1;
1506 strcpy (val->sym->rname,val->name);
1507 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1508 SPEC_STAT(func->etype);
1509 addSymChain(val->sym);
1512 else /* symbol name given create synth name */ {
1514 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1515 strcpy (val->sym->rname,val->name);
1516 val->sym->_isparm = 1;
1517 SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
1518 (options.model != MODEL_SMALL ? xdata : data);
1519 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1520 SPEC_STAT(func->etype);
1526 /*-----------------------------------------------------------------*/
1527 /* isSymbolEqual - compares two symbols return 1 if they match */
1528 /*-----------------------------------------------------------------*/
1529 int isSymbolEqual (symbol *dest, symbol *src)
1531 /* if pointers match then equal */
1535 /* if one of them is null then don't match */
1539 /* if both of them have rname match on rname */
1540 if (dest->rname[0] && src->rname[0])
1541 return (!strcmp(dest->rname,src->rname));
1543 /* otherwise match on name */
1544 return (!strcmp(dest->name,src->name));
1547 /*-----------------------------------------------------------------*/
1548 /* printTypeChain - prints the type chain in human readable form */
1549 /*-----------------------------------------------------------------*/
1550 void printTypeChain (link *type, FILE *of)
1560 if (IS_DECL(type)) {
1561 switch (DCL_TYPE(type)) {
1563 fprintf (of,"function ");
1566 fprintf (of,"_generic * ");
1567 if (DCL_PTR_CONST(type))
1568 fprintf(of,"const ");
1571 fprintf (of,"_code * ");
1572 if (DCL_PTR_CONST(type))
1573 fprintf(of,"const ");
1576 fprintf (of,"_far * ");
1577 if (DCL_PTR_CONST(type))
1578 fprintf(of,"const ");
1581 fprintf (of,"_eeprom * ");
1582 if (DCL_PTR_CONST(type))
1583 fprintf(of,"const ");
1587 fprintf (of,"_near * ");
1588 if (DCL_PTR_CONST(type))
1589 fprintf(of,"const ");
1592 fprintf (of,"_idata *");
1593 if (DCL_PTR_CONST(type))
1594 fprintf(of,"const ");
1597 fprintf (of,"_pdata *");
1598 if (DCL_PTR_CONST(type))
1599 fprintf(of,"const ");
1602 fprintf (of," _unkown *");
1603 if (DCL_PTR_CONST(type))
1604 fprintf(of,"const ");
1608 fprintf (of,"array of ");
1612 if (SPEC_VOLATILE(type))
1613 fprintf (of,"volatile ");
1614 if (SPEC_USIGN(type))
1615 fprintf (of,"unsigned ");
1617 switch (SPEC_NOUN(type)) {
1620 fprintf (of,"long ");
1623 fprintf (of,"short ");
1625 fprintf (of,"int ");
1629 fprintf(of,"char ");
1633 fprintf(of,"void ");
1637 fprintf(of,"float ");
1641 fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
1645 fprintf(of,"sbit ");
1649 fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
1662 /*-----------------------------------------------------------------*/
1663 /* cdbTypeInfo - print the type information for debugger */
1664 /*-----------------------------------------------------------------*/
1665 void cdbTypeInfo (link *type,FILE *of)
1667 fprintf(of,"{%d}",getSize(type));
1669 if (IS_DECL(type)) {
1670 switch (DCL_TYPE(type)) {
1696 fprintf (of,"DA%d,",DCL_ELEM(type));
1702 switch (SPEC_NOUN(type)) {
1726 fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
1734 fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
1741 if (SPEC_USIGN(type))
1749 /*-----------------------------------------------------------------*/
1750 /* cdbSymbol - prints a symbol & its type information for debugger */
1751 /*-----------------------------------------------------------------*/
1752 void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
1764 fprintf(of,"S:"); /* symbol record */
1765 /* if this is not a structure symbol then
1766 we need to figure out the scope information */
1770 if (IS_STATIC(sym->etype))
1771 fprintf(of,"F%s$",moduleName); /* scope is file */
1773 fprintf(of,"G$"); /* scope is global */
1776 /* symbol is local */
1777 fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
1779 fprintf(of,"S$"); /* scope is structure */
1781 /* print the name, & mangled name */
1782 fprintf(of,"%s$%d$%d(",sym->name,
1783 sym->level,sym->block);
1785 cdbTypeInfo(sym->type,of);
1788 /* print the address space */
1789 map = SPEC_OCLS(sym->etype);
1790 fprintf(of,"%c,%d,%d",
1791 (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
1793 /* if assigned to registers then output register names */
1794 /* if this is a function then print
1795 if is it an interrupt routine & interrupt number
1796 and the register bank it is using */
1798 fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
1799 SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
1800 /* alternate location to find this symbol @ : eg registers
1807 /*-----------------------------------------------------------------*/
1808 /* cdbStruct - print a structure for debugger */
1809 /*-----------------------------------------------------------------*/
1810 void cdbStruct ( structdef *sdef,int block,FILE *of,
1811 int inStruct, char *tag)
1816 /* if block # then must have function scope */
1817 fprintf(of,"F%s$",moduleName);
1818 fprintf(of,"%s[",(tag ? tag : sdef->tag));
1819 for (sym=sdef->fields ; sym ; sym = sym->next) {
1820 fprintf(of,"({%d}",sym->offset);
1821 cdbSymbol(sym,of,TRUE,FALSE);
1829 /*------------------------------------------------------------------*/
1830 /* cdbStructBlock - calls struct printing for a blcks */
1831 /*------------------------------------------------------------------*/
1832 void cdbStructBlock (int block , FILE *of)
1835 bucket **table = StructTab;
1839 /* go thru the entire table */
1840 for ( i = 0 ; i < 256; i++ ) {
1841 for ( chain = table[i]; chain ; chain = chain->next ) {
1842 if (chain->block >= block) {
1843 cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
1849 /*-----------------------------------------------------------------*/
1850 /* powof2 - returns power of two for the number if number is pow 2 */
1851 /*-----------------------------------------------------------------*/
1852 int powof2 (unsigned long num)
1858 if (num & 1) n1s++ ;
1863 if (n1s > 1 || nshifts == 0) return 0;
1864 return nshifts - 1 ;
1878 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
1879 symbol *__muldiv[3][3][2];
1880 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
1881 link *__multypes[3][2];
1882 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
1883 symbol *__conv[2][3][2];
1887 static void _makeRegParam(symbol *sym)
1891 val = sym->args; /* loop thru all the arguments */
1893 /* reset regparm for the port */
1894 (*port->reset_regparms)();
1896 SPEC_REGPARM(val->etype) = 1;
1897 sym->argStack -= getSize(val->type);
1902 /*-----------------------------------------------------------------*/
1903 /* initCSupport - create functions for C support routines */
1904 /*-----------------------------------------------------------------*/
1905 void initCSupport ()
1907 const char *smuldivmod[] = {
1910 const char *sbwd[] = {
1911 "char", "int", "long"
1913 const char *ssu[] = {
1917 int bwd, su, muldivmod, tofrom;
1919 floatType= newFloatLink();
1921 for (bwd = 0; bwd < 3; bwd++) {
1936 __multypes[bwd][0] = l;
1937 __multypes[bwd][1] = copyLinkChain(l);
1938 SPEC_USIGN(__multypes[bwd][1]) = 1;
1941 __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
1942 __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
1943 __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
1944 __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
1945 __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
1946 __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
1947 __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
1948 __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
1949 __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
1950 __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
1952 for (tofrom = 0; tofrom < 2; tofrom++) {
1953 for (bwd = 0; bwd < 3; bwd++) {
1954 for (su = 0; su < 2; su++) {
1956 sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
1957 __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
1960 sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
1961 __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
1967 for (muldivmod = 0; muldivmod < 3; muldivmod++) {
1968 for (bwd = 0; bwd < 3; bwd++) {
1969 for (su = 0; su < 2; su++) {
1970 sprintf(buffer, "_%s%s%s",
1971 smuldivmod[muldivmod],
1974 __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
1975 SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
1976 if (bwd < port->muldiv.force_reg_param_below)
1977 _makeRegParam(__muldiv[muldivmod][bwd][su]);