1 /*-------------------------------------------------------------------------
3 SDCCglue.c - glues everything we have done together into one file.
4 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 In other words, you are welcome to use, share and improve this program.
21 You are forbidden to forbid anyone else to use, share and improve
22 what you give them. Help stamp out software-hoarding!
23 -------------------------------------------------------------------------*/
38 symbol *interrupts[256];
40 void printIval (symbol *, sym_link *, initList *, FILE *);
41 set *publics = NULL; /* public variables */
42 set *externs = NULL; /* Varibles that are declared as extern */
44 /* TODO: this should be configurable (DS803C90 uses more than 6) */
45 unsigned maxInterrupts = 6;
48 set *pipeSet = NULL; /* set of pipes */
49 set *tmpfileSet = NULL; /* set of tmp file created by the compiler */
50 set *tmpfileNameSet = NULL; /* All are unlinked at close. */
52 /*-----------------------------------------------------------------*/
53 /* closePipes - closes all pipes created by the compiler */
54 /*-----------------------------------------------------------------*/
55 DEFSETFUNC (closePipes)
68 /*-----------------------------------------------------------------*/
69 /* closeTmpFiles - closes all tmp files created by the compiler */
70 /* because of BRAIN DEAD MS/DOS & CYGNUS Libraries */
71 /*-----------------------------------------------------------------*/
72 DEFSETFUNC (closeTmpFiles)
85 /*-----------------------------------------------------------------*/
86 /* rmTmpFiles - unlinks all tmp files created by the compiler */
87 /* because of BRAIN DEAD MS/DOS & CYGNUS Libraries */
88 /*-----------------------------------------------------------------*/
89 DEFSETFUNC (rmTmpFiles)
103 /*-----------------------------------------------------------------*/
104 /* rm_tmpfiles - close and remove temporary files and delete sets */
105 /*-----------------------------------------------------------------*/
109 /* close temporary files */
110 applyToSet (pipeSet, closePipes);
111 /* close temporary files */
112 deleteSet (&pipeSet);
114 applyToSet (tmpfileSet, closeTmpFiles);
115 /* remove temporary files */
116 applyToSet (tmpfileNameSet, rmTmpFiles);
117 /* delete temorary file sets */
118 deleteSet (&tmpfileSet);
119 deleteSet (&tmpfileNameSet);
122 /*-----------------------------------------------------------------*/
123 /* copyFile - copies source file to destination file */
124 /*-----------------------------------------------------------------*/
126 copyFile (FILE * dest, FILE * src)
132 if ((ch = fgetc (src)) != EOF)
137 aopLiteralLong (value * val, int offset, int size)
146 // assuming we have been warned before
150 /* if it is a float then it gets tricky */
151 /* otherwise it is fairly simple */
152 if (!IS_FLOAT (val->type)) {
153 unsigned long v = (unsigned long) floatFromVal (val);
158 tsprintf (buffer, sizeof(buffer),
159 "!immedbyte", (unsigned int) v & 0xff);
162 tsprintf (buffer, sizeof(buffer),
163 "!immedword", (unsigned int) v & 0xffff);
166 /* Hmm. Too big for now. */
169 return Safe_strdup (buffer);
172 /* PENDING: For now size must be 1 */
175 /* it is type float */
176 fl.f = (float) floatFromVal (val);
177 #ifdef WORDS_BIGENDIAN
178 tsprintf (buffer, sizeof(buffer),
179 "!immedbyte", fl.c[3 - offset]);
181 tsprintf (buffer, sizeof(buffer),
182 "!immedbyte", fl.c[offset]);
184 return Safe_strdup (buffer);
187 /*-----------------------------------------------------------------*/
188 /* aopLiteral - string from a literal value */
189 /*-----------------------------------------------------------------*/
191 aopLiteral (value * val, int offset)
193 return aopLiteralLong (val, offset, 1);
196 /*-----------------------------------------------------------------*/
197 /* emitRegularMap - emit code for maps with no special cases */
198 /*-----------------------------------------------------------------*/
200 emitRegularMap (memmap * map, bool addPublics, bool arFlag)
210 /* PENDING: special case here - should remove */
211 if (!strcmp (map->sname, CODE_NAME))
212 tfprintf (map->oFile, "\t!areacode\n", map->sname);
213 else if (!strcmp (map->sname, DATA_NAME))
214 tfprintf (map->oFile, "\t!areadata\n", map->sname);
215 else if (!strcmp (map->sname, HOME_NAME))
216 tfprintf (map->oFile, "\t!areahome\n", map->sname);
218 tfprintf (map->oFile, "\t!area\n", map->sname);
221 for (sym = setFirstItem (map->syms); sym;
222 sym = setNextItem (map->syms))
226 /* if extern then add it into the extern list */
227 if (IS_EXTERN (sym->etype))
229 addSetHead (&externs, sym);
233 /* if allocation required check is needed
234 then check if the symbol really requires
235 allocation only for local variables */
237 if (arFlag && !IS_AGGREGATE (sym->type) &&
238 !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
239 !sym->allocreq && sym->level)
242 /* for bitvar locals and parameters */
243 if (!arFlag && !sym->allocreq && sym->level
244 && !SPEC_ABSA (sym->etype)) {
248 /* if global variable & not static or extern
249 and addPublics allowed then add it to the public set */
250 if ((sym->level == 0 ||
251 (sym->_isparm && !IS_REGPARM (sym->etype))) &&
253 !IS_STATIC (sym->etype) &&
254 (IS_FUNC(sym->type) ? (sym->used || IFFUNC_HASBODY(sym->type)) : 1))
256 addSetHead (&publics, sym);
259 /* if extern then do nothing or is a function
261 if (IS_FUNC (sym->type))
264 /* print extra debug info if required */
267 if (!sym->level) /* global */
269 if (IS_STATIC (sym->etype))
270 fprintf (map->oFile, "F%s$", moduleName); /* scope is file */
272 fprintf (map->oFile, "G$"); /* scope is global */
276 /* symbol is local */
277 fprintf (map->oFile, "L%s$", (sym->localof ? sym->localof->name : "-null-"));
279 fprintf (map->oFile, "%s$%d$%d", sym->name, sym->level, sym->block);
282 /* if it has an initial value then do it only if
283 it is a global variable */
284 if (sym->ival && sym->level == 0) {
285 if (SPEC_OCLS(sym->etype)==xidata) {
286 /* create a new "XINIT (CODE)" symbol, that will be emitted later
288 newSym=copySymbol (sym);
289 SPEC_OCLS(newSym->etype)=xinit;
290 SNPRINTF (newSym->name, sizeof(newSym->name), "__xinit_%s", sym->name);
291 SNPRINTF (newSym->rname, sizeof(newSym->rname), "__xinit_%s", sym->rname);
292 SPEC_CONST(newSym->etype)=1;
293 SPEC_STAT(newSym->etype)=1;
294 resolveIvalSym(newSym->ival);
296 // add it to the "XINIT (CODE)" segment
297 addSet(&xinit->syms, newSym);
300 if (IS_AGGREGATE (sym->type)) {
301 ival = initAggregates (sym, sym->ival, NULL);
303 if (getNelements(sym->type, sym->ival)>1) {
304 werror (W_EXCESS_INITIALIZERS, "scalar",
305 sym->name, sym->lineDef);
307 ival = newNode ('=', newAst_VALUE (symbolVal (sym)),
308 decorateType (resolveSymbols (list2expr (sym->ival))));
310 codeOutFile = statsg->oFile;
313 // set ival's lineno to where the symbol was defined
314 setAstLineno (ival, lineno=sym->lineDef);
315 // check if this is not a constant expression
316 if (!constExprTree(ival)) {
317 werror (E_CONST_EXPECTED, "found expression");
318 // but try to do it anyway
321 eBBlockFromiCode (iCodeFromAst (ival));
328 /* if is has an absolute address then generate
329 an equate for this no need to allocate space */
330 if (SPEC_ABSA (sym->etype))
334 fprintf (map->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
336 if (TARGET_IS_XA51) {
339 } else if (map==bit || map==sfrbit) {
343 fprintf (map->oFile, "%s\t%s\t0x%04x\n",
345 SPEC_ADDR (sym->etype));
348 int size = getSize (sym->type);
350 werror(E_UNKNOWN_SIZE,sym->name);
354 fprintf (map->oFile, "==.\n");
356 if (IS_STATIC (sym->etype))
357 tfprintf (map->oFile, "!slabeldef\n", sym->rname);
359 tfprintf (map->oFile, "!labeldef\n", sym->rname);
360 tfprintf (map->oFile, "\t!ds\n",
361 (unsigned int) size & 0xffff);
366 /*-----------------------------------------------------------------*/
367 /* initPointer - pointer initialization code massaging */
368 /*-----------------------------------------------------------------*/
370 initPointer (initList * ilist, sym_link *toType)
373 ast *expr = list2expr (ilist);
378 /* try it the oldway first */
379 if ((val = constExprValue (expr, FALSE)))
382 /* ( ptr + constant ) */
383 if (IS_AST_OP (expr) &&
384 (expr->opval.op == '+' || expr->opval.op == '-') &&
385 IS_AST_SYM_VALUE (expr->left) &&
386 (IS_ARRAY(expr->left->ftype) || IS_PTR(expr->left->ftype)) &&
387 compareType(toType, expr->left->ftype) &&
388 IS_AST_LIT_VALUE (expr->right)) {
389 return valForCastAggr (expr->left, expr->left->ftype,
395 if (IS_AST_OP(expr) && expr->opval.op==CAST &&
396 IS_AST_OP(expr->right) && expr->right->opval.op=='&') {
397 if (compareType(toType, expr->left->ftype)!=1) {
398 werror (W_INIT_WRONG);
399 printFromToType(expr->left->ftype, toType);
405 /* no then we have to do these cludgy checks */
406 /* pointers can be initialized with address of
407 a variable or address of an array element */
408 if (IS_AST_OP (expr) && expr->opval.op == '&') {
409 /* address of symbol */
410 if (IS_AST_SYM_VALUE (expr->left)) {
411 val = copyValue (AST_VALUE (expr->left));
412 val->type = newLink (DECLARATOR);
413 if (SPEC_SCLS (expr->left->etype) == S_CODE) {
414 DCL_TYPE (val->type) = CPOINTER;
415 DCL_PTR_CONST (val->type) = port->mem.code_ro;
417 else if (SPEC_SCLS (expr->left->etype) == S_XDATA)
418 DCL_TYPE (val->type) = FPOINTER;
419 else if (SPEC_SCLS (expr->left->etype) == S_XSTACK)
420 DCL_TYPE (val->type) = PPOINTER;
421 else if (SPEC_SCLS (expr->left->etype) == S_IDATA)
422 DCL_TYPE (val->type) = IPOINTER;
423 else if (SPEC_SCLS (expr->left->etype) == S_EEPROM)
424 DCL_TYPE (val->type) = EEPPOINTER;
426 DCL_TYPE (val->type) = POINTER;
427 val->type->next = expr->left->ftype;
428 val->etype = getSpec (val->type);
432 /* if address of indexed array */
433 if (IS_AST_OP (expr->left) && expr->left->opval.op == '[')
434 return valForArray (expr->left);
436 /* if address of structure element then
438 if (IS_AST_OP (expr->left) &&
439 expr->left->opval.op == '.') {
440 return valForStructElem (expr->left->left,
445 (&some_struct)->element */
446 if (IS_AST_OP (expr->left) &&
447 expr->left->opval.op == PTR_OP &&
448 IS_ADDRESS_OF_OP (expr->left->left)) {
449 return valForStructElem (expr->left->left->left,
453 /* case 3. (((char *) &a) +/- constant) */
454 if (IS_AST_OP (expr) &&
455 (expr->opval.op == '+' || expr->opval.op == '-') &&
456 IS_AST_OP (expr->left) && expr->left->opval.op == CAST &&
457 IS_AST_OP (expr->left->right) &&
458 expr->left->right->opval.op == '&' &&
459 IS_AST_LIT_VALUE (expr->right)) {
461 return valForCastAggr (expr->left->right->left,
462 expr->left->left->opval.lnk,
463 expr->right, expr->opval.op);
466 /* case 4. (char *)(array type) */
467 if (IS_CAST_OP(expr) && IS_AST_SYM_VALUE (expr->right) &&
468 IS_ARRAY(expr->right->ftype)) {
470 val = copyValue (AST_VALUE (expr->right));
471 val->type = newLink (DECLARATOR);
472 if (SPEC_SCLS (expr->right->etype) == S_CODE) {
473 DCL_TYPE (val->type) = CPOINTER;
474 DCL_PTR_CONST (val->type) = port->mem.code_ro;
476 else if (SPEC_SCLS (expr->right->etype) == S_XDATA)
477 DCL_TYPE (val->type) = FPOINTER;
478 else if (SPEC_SCLS (expr->right->etype) == S_XSTACK)
479 DCL_TYPE (val->type) = PPOINTER;
480 else if (SPEC_SCLS (expr->right->etype) == S_IDATA)
481 DCL_TYPE (val->type) = IPOINTER;
482 else if (SPEC_SCLS (expr->right->etype) == S_EEPROM)
483 DCL_TYPE (val->type) = EEPPOINTER;
485 DCL_TYPE (val->type) = POINTER;
486 val->type->next = expr->right->ftype->next;
487 val->etype = getSpec (val->type);
491 werror (E_INCOMPAT_PTYPES);
496 /*-----------------------------------------------------------------*/
497 /* printChar - formats and prints a characater string with DB */
498 /*-----------------------------------------------------------------*/
500 printChar (FILE * ofile, char *s, int plen)
503 int len = strlen (s);
508 while (len && pplen < plen)
511 while (i && *s && pplen < plen)
513 if (*s < ' ' || *s == '\"' || *s=='\\')
517 tfprintf (ofile, "\t!ascii\n", buf);
518 tfprintf (ofile, "\t!db !constbyte\n", (unsigned char)*s);
533 tfprintf (ofile, "\t!ascii\n", buf);
542 tfprintf (ofile, "\t!db !constbyte\n", 0);
545 /*-----------------------------------------------------------------*/
546 /* return the generic pointer high byte for a given pointer type. */
547 /*-----------------------------------------------------------------*/
549 pointerTypeToGPByte (const int p_type, const char *iname, const char *oname)
557 werror (E_CANNOT_USE_GENERIC_POINTER,
558 iname ? iname : "<null>",
559 oname ? oname : "<null>");
566 return GPTYPE_XSTACK;
568 fprintf (stderr, "*** internal error: unknown pointer type %d in GPByte.\n",
576 /*-----------------------------------------------------------------*/
577 /* printPointerType - generates ival for pointer type */
578 /*-----------------------------------------------------------------*/
580 _printPointerType (FILE * oFile, const char *name)
582 if (options.model == MODEL_FLAT24)
584 fprintf (oFile, "\t.byte %s,(%s >> 8),(%s >> 16)", name, name, name);
588 fprintf (oFile, "\t.byte %s,(%s >> 8)", name, name);
592 /*-----------------------------------------------------------------*/
593 /* printPointerType - generates ival for pointer type */
594 /*-----------------------------------------------------------------*/
596 printPointerType (FILE * oFile, const char *name)
598 _printPointerType (oFile, name);
599 fprintf (oFile, "\n");
602 /*-----------------------------------------------------------------*/
603 /* printGPointerType - generates ival for generic pointer type */
604 /*-----------------------------------------------------------------*/
606 printGPointerType (FILE * oFile, const char *iname, const char *oname,
607 const unsigned int type)
609 _printPointerType (oFile, iname);
610 fprintf (oFile, ",#0x%02x\n", pointerTypeToGPByte (type, iname, oname));
613 /*-----------------------------------------------------------------*/
614 /* printIvalType - generates ival for int/char */
615 /*-----------------------------------------------------------------*/
617 printIvalType (symbol *sym, sym_link * type, initList * ilist, FILE * oFile)
621 /* if initList is deep */
622 if (ilist->type == INIT_DEEP)
623 ilist = ilist->init.deep;
625 if (!(val = list2val (ilist))) {
626 // assuming a warning has been thrown
630 if (val->type != type) {
631 val = valCastLiteral(type, floatFromVal(val));
634 switch (getSize (type)) {
637 tfprintf (oFile, "\t!db !constbyte\n", 0);
639 tfprintf (oFile, "\t!dbs\n",
640 aopLiteral (val, 0));
644 if (port->use_dw_for_init)
645 tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, 2));
647 fprintf (oFile, "\t.byte %s,%s\n", aopLiteral (val, 0), aopLiteral (val, 1));
651 tfprintf (oFile, "\t!dw !constword\n", 0);
652 tfprintf (oFile, "\t!dw !constword\n", 0);
655 fprintf (oFile, "\t.byte %s,%s,%s,%s\n",
656 aopLiteral (val, 0), aopLiteral (val, 1),
657 aopLiteral (val, 2), aopLiteral (val, 3));
663 /*-----------------------------------------------------------------*/
664 /* printIvalBitFields - generate initializer for bitfields */
665 /*-----------------------------------------------------------------*/
666 void printIvalBitFields(symbol **sym, initList **ilist, FILE * oFile)
670 initList *lilist = *ilist ;
671 unsigned long ival = 0;
677 val = list2val(lilist);
679 if (SPEC_BLEN(lsym->etype) > 8) {
680 size += ((SPEC_BLEN (lsym->etype) / 8) +
681 (SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
684 size = ((SPEC_BLEN (lsym->etype) / 8) +
685 (SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
687 i = (unsigned long)floatFromVal(val);
688 i <<= SPEC_BSTR (lsym->etype);
690 if (! ( lsym->next &&
691 (IS_BITFIELD(lsym->next->type)) &&
692 (SPEC_BSTR(lsym->next->etype)))) break;
694 lilist = lilist->next;
698 tfprintf (oFile, "\t!db !constbyte\n",ival);
702 tfprintf (oFile, "\t!dw !constword\n",ival);
705 tfprintf (oFile, "\t!db !constword,!constword\n",
706 (ival >> 8) & 0xffff, (ival & 0xffff));
713 /*-----------------------------------------------------------------*/
714 /* printIvalStruct - generates initial value for structures */
715 /*-----------------------------------------------------------------*/
717 printIvalStruct (symbol * sym, sym_link * type,
718 initList * ilist, FILE * oFile)
723 sflds = SPEC_STRUCT (type)->fields;
724 if (ilist->type != INIT_DEEP) {
725 werror (E_INIT_STRUCT, sym->name);
729 iloop = ilist->init.deep;
731 for (; sflds; sflds = sflds->next, iloop = (iloop ? iloop->next : NULL)) {
732 if (IS_BITFIELD(sflds->type)) {
733 printIvalBitFields(&sflds,&iloop,oFile);
735 printIval (sym, sflds->type, iloop, oFile);
739 werror (W_EXCESS_INITIALIZERS, "struct", sym->name, sym->lineDef);
744 /*-----------------------------------------------------------------*/
745 /* printIvalChar - generates initital value for character array */
746 /*-----------------------------------------------------------------*/
748 printIvalChar (sym_link * type, initList * ilist, FILE * oFile, char *s)
756 val = list2val (ilist);
757 /* if the value is a character string */
758 if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
760 if (!DCL_ELEM (type))
761 DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
763 printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
765 if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
767 tfprintf (oFile, "\t!db !constbyte\n", 0);
775 printChar (oFile, s, strlen (s) + 1);
779 /*-----------------------------------------------------------------*/
780 /* printIvalArray - generates code for array initialization */
781 /*-----------------------------------------------------------------*/
783 printIvalArray (symbol * sym, sym_link * type, initList * ilist,
789 /* take care of the special case */
790 /* array of characters can be init */
792 if (IS_CHAR (type->next)) {
793 if (!IS_LITERAL(list2val(ilist)->etype)) {
794 werror (E_CONST_EXPECTED);
797 if (printIvalChar (type,
798 (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
799 oFile, SPEC_CVAL (sym->etype).v_char))
802 /* not the special case */
803 if (ilist->type != INIT_DEEP)
805 werror (E_INIT_STRUCT, sym->name);
809 for (iloop=ilist->init.deep; iloop; iloop=iloop->next)
811 printIval (sym, type->next, iloop, oFile);
813 if (++size > DCL_ELEM(type)) {
814 werror (W_EXCESS_INITIALIZERS, "array", sym->name, sym->lineDef);
819 if (DCL_ELEM(type)) {
820 // pad with zeros if needed
821 if (size<DCL_ELEM(type)) {
822 size = (DCL_ELEM(type) - size) * getSize(type->next);
824 tfprintf (oFile, "\t!db !constbyte\n", 0);
828 // we have not been given a size, but we now know it
829 DCL_ELEM (type) = size;
835 /*-----------------------------------------------------------------*/
836 /* printIvalFuncPtr - generate initial value for function pointers */
837 /*-----------------------------------------------------------------*/
839 printIvalFuncPtr (sym_link * type, initList * ilist, FILE * oFile)
844 val = list2val (ilist);
847 // an error has been thrown allready
851 if (IS_LITERAL(val->etype)) {
852 if (compareType(type,val->etype)==0) {
853 werror (E_INCOMPAT_TYPES);
854 printFromToType (val->type, type);
856 printIvalCharPtr (NULL, type, val, oFile);
860 /* check the types */
861 if ((dLvl = compareType (val->type, type->next)) <= 0)
863 tfprintf (oFile, "\t!dw !constword\n", 0);
867 /* now generate the name */
870 if (port->use_dw_for_init)
872 tfprintf (oFile, "\t!dws\n", val->name);
876 printPointerType (oFile, val->name);
879 else if (port->use_dw_for_init)
881 tfprintf (oFile, "\t!dws\n", val->sym->rname);
885 printPointerType (oFile, val->sym->rname);
891 /*-----------------------------------------------------------------*/
892 /* printIvalCharPtr - generates initial values for character pointers */
893 /*-----------------------------------------------------------------*/
895 printIvalCharPtr (symbol * sym, sym_link * type, value * val, FILE * oFile)
899 /* PENDING: this is _very_ mcs51 specific, including a magic
901 It's also endin specific.
903 size = getSize (type);
905 if (val->name && strlen (val->name))
907 if (size == 1) /* This appears to be Z80 specific?? */
910 "\t!dbs\n", val->name);
912 else if (size == FPTRSIZE)
914 if (port->use_dw_for_init)
916 tfprintf (oFile, "\t!dws\n", val->name);
920 printPointerType (oFile, val->name);
923 else if (size == GPTRSIZE)
926 if (IS_PTR (val->type)) {
927 type = DCL_TYPE (val->type);
929 type = PTR_TYPE (SPEC_OCLS (val->etype));
931 if (val->sym && val->sym->isstrlit) {
932 // this is a literal string
935 printGPointerType (oFile, val->name, sym->name, type);
939 fprintf (stderr, "*** internal error: unknown size in "
940 "printIvalCharPtr.\n");
945 // these are literals assigned to pointers
949 tfprintf (oFile, "\t!dbs\n", aopLiteral (val, 0));
952 if (port->use_dw_for_init)
953 tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, size));
955 tfprintf (oFile, "\t.byte %s,%s\n",
956 aopLiteral (val, 0), aopLiteral (val, 1));
959 if (IS_GENPTR(type) && floatFromVal(val)!=0) {
960 // non-zero mcs51 generic pointer
961 werror (E_LITERAL_GENERIC);
963 fprintf (oFile, "\t.byte %s,%s,%s\n",
966 aopLiteral (val, 2));
969 if (IS_GENPTR(type) && floatFromVal(val)!=0) {
970 // non-zero ds390 generic pointer
971 werror (E_LITERAL_GENERIC);
973 fprintf (oFile, "\t.byte %s,%s,%s,%s\n",
977 aopLiteral (val, 3));
984 if (val->sym && val->sym->isstrlit && !isinSet(statsg->syms, val->sym)) {
985 addSet (&statsg->syms, val->sym);
991 /*-----------------------------------------------------------------*/
992 /* printIvalPtr - generates initial value for pointers */
993 /*-----------------------------------------------------------------*/
995 printIvalPtr (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
1001 if (ilist->type == INIT_DEEP)
1002 ilist = ilist->init.deep;
1004 /* function pointer */
1005 if (IS_FUNC (type->next))
1007 printIvalFuncPtr (type, ilist, oFile);
1011 if (!(val = initPointer (ilist, type)))
1014 /* if character pointer */
1015 if (IS_CHAR (type->next))
1016 if (printIvalCharPtr (sym, type, val, oFile))
1019 /* check the type */
1020 if (compareType (type, val->type) == 0) {
1021 werror (W_INIT_WRONG);
1022 printFromToType (val->type, type);
1025 /* if val is literal */
1026 if (IS_LITERAL (val->etype))
1028 switch (getSize (type))
1031 tfprintf (oFile, "\t!db !constbyte\n", (unsigned int) floatFromVal (val) & 0xff);
1034 if (port->use_dw_for_init)
1035 tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, 2));
1037 tfprintf (oFile, "\t.byte %s,%s\n", aopLiteral (val, 0), aopLiteral (val, 1));
1039 case 3: // how about '390??
1040 fprintf (oFile, "\t.byte %s,%s,#0x%d\n",
1041 aopLiteral (val, 0), aopLiteral (val, 1), GPTYPE_CODE);
1047 size = getSize (type);
1049 if (size == 1) /* Z80 specific?? */
1051 tfprintf (oFile, "\t!dbs\n", val->name);
1053 else if (size == FPTRSIZE)
1055 if (port->use_dw_for_init) {
1056 tfprintf (oFile, "\t!dws\n", val->name);
1058 printPointerType (oFile, val->name);
1061 else if (size == GPTRSIZE)
1063 printGPointerType (oFile, val->name, sym->name,
1064 (IS_PTR (val->type) ? DCL_TYPE (val->type) :
1065 PTR_TYPE (SPEC_OCLS (val->etype))));
1070 /*-----------------------------------------------------------------*/
1071 /* printIval - generates code for initial value */
1072 /*-----------------------------------------------------------------*/
1074 printIval (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
1081 /* update line number for error msgs */
1082 lineno=sym->lineDef;
1084 /* if structure then */
1085 if (IS_STRUCT (type))
1087 printIvalStruct (sym, type, ilist, oFile);
1091 /* if this is an array */
1092 if (IS_ARRAY (type))
1094 printIvalArray (sym, type, ilist, oFile);
1098 // not an aggregate, ilist must be a node
1099 if (ilist->type!=INIT_NODE &&
1100 // or a 1-element list
1101 ilist->init.deep->next) {
1102 werror (W_EXCESS_INITIALIZERS, "scalar",
1103 sym->name, sym->lineDef);
1106 // and the type must match
1107 val=list2val(ilist);
1108 if (compareType(type, val->type)==0) {
1109 // special case for literal strings
1110 if (IS_ARRAY (val->type) && IS_CHAR (val->etype) &&
1111 // which are really code pointers
1112 IS_PTR(type) && DCL_TYPE(type)==CPOINTER) {
1115 werror (E_TYPE_MISMATCH, "assignment", " ");
1116 printFromToType(list2val(ilist)->type, type);
1120 /* if this is a pointer */
1123 printIvalPtr (sym, type, ilist, oFile);
1127 /* if type is SPECIFIER */
1130 printIvalType (sym, type, ilist, oFile);
1135 /*-----------------------------------------------------------------*/
1136 /* emitStaticSeg - emitcode for the static segment */
1137 /*-----------------------------------------------------------------*/
1139 emitStaticSeg (memmap * map, FILE * out)
1143 /* fprintf(out, "\t.area\t%s\n", map->sname); */
1145 /* for all variables in this segment do */
1146 for (sym = setFirstItem (map->syms); sym;
1147 sym = setNextItem (map->syms))
1150 /* if it is "extern" then do nothing */
1151 if (IS_EXTERN (sym->etype))
1154 /* if it is not static add it to the public
1156 if (!IS_STATIC (sym->etype))
1158 addSetHead (&publics, sym);
1161 /* print extra debug info if required */
1162 if (options.debug) {
1166 if (IS_STATIC (sym->etype))
1167 fprintf (out, "F%s$", moduleName); /* scope is file */
1169 fprintf (out, "G$"); /* scope is global */
1172 /* symbol is local */
1173 fprintf (out, "L%s$",
1174 (sym->localof ? sym->localof->name : "-null-"));
1175 fprintf (out, "%s$%d$%d", sym->name, sym->level, sym->block);
1178 /* if it has an absolute address */
1179 if (SPEC_ABSA (sym->etype))
1182 fprintf (out, " == 0x%04x\n", SPEC_ADDR (sym->etype));
1184 fprintf (out, "%s\t=\t0x%04x\n",
1186 SPEC_ADDR (sym->etype));
1191 fprintf (out, " == .\n");
1193 /* if it has an initial value */
1196 fprintf (out, "%s:\n", sym->rname);
1198 resolveIvalSym (sym->ival);
1199 printIval (sym, sym->type, sym->ival, out);
1201 /* if sym is a simple string and sym->ival is a string,
1202 WE don't need it anymore */
1203 if (IS_ARRAY(sym->type) && IS_CHAR(sym->type->next) &&
1204 IS_AST_SYM_VALUE(list2expr(sym->ival)) &&
1205 list2val(sym->ival)->sym->isstrlit) {
1206 freeStringSymbol(list2val(sym->ival)->sym);
1210 /* allocate space */
1211 int size = getSize (sym->type);
1214 werror(E_UNKNOWN_SIZE,sym->name);
1216 fprintf (out, "%s:\n", sym->rname);
1217 /* special case for character strings */
1218 if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
1219 SPEC_CVAL (sym->etype).v_char)
1221 SPEC_CVAL (sym->etype).v_char,
1222 strlen (SPEC_CVAL (sym->etype).v_char) + 1);
1224 tfprintf (out, "\t!ds\n", (unsigned int) size & 0xffff);
1230 /*-----------------------------------------------------------------*/
1231 /* emitMaps - emits the code for the data portion the code */
1232 /*-----------------------------------------------------------------*/
1237 /* no special considerations for the following
1238 data, idata & bit & xdata */
1239 emitRegularMap (data, TRUE, TRUE);
1240 emitRegularMap (idata, TRUE, TRUE);
1241 emitRegularMap (bit, TRUE, FALSE);
1242 emitRegularMap (xdata, TRUE, TRUE);
1243 if (port->genXINIT) {
1244 emitRegularMap (xidata, TRUE, TRUE);
1246 emitRegularMap (sfr, FALSE, FALSE);
1247 emitRegularMap (sfrbit, FALSE, FALSE);
1248 emitRegularMap (home, TRUE, FALSE);
1249 emitRegularMap (code, TRUE, FALSE);
1251 emitStaticSeg (statsg, code->oFile);
1252 if (port->genXINIT) {
1253 tfprintf (code->oFile, "\t!area\n", xinit->sname);
1254 emitStaticSeg (xinit, code->oFile);
1259 /*-----------------------------------------------------------------*/
1260 /* flushStatics - flush all currently defined statics out to file */
1261 /* and delete. Temporary function */
1262 /*-----------------------------------------------------------------*/
1266 emitStaticSeg (statsg, codeOutFile);
1267 statsg->syms = NULL;
1270 /*-----------------------------------------------------------------*/
1271 /* createInterruptVect - creates the interrupt vector */
1272 /*-----------------------------------------------------------------*/
1274 createInterruptVect (FILE * vFile)
1277 mainf = newSymbol ("main", 0);
1280 /* only if the main function exists */
1281 if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
1283 if (!options.cc_only && !noAssemble && !options.c1mode)
1288 /* if the main is only a prototype ie. no body then do nothing */
1289 if (!IFFUNC_HASBODY(mainf->type))
1291 /* if ! compile only then main function should be present */
1292 if (!options.cc_only && !noAssemble)
1297 tfprintf (vFile, "\t!areacode\n", CODE_NAME);
1298 fprintf (vFile, "__interrupt_vect:\n");
1301 if (!port->genIVT || !(port->genIVT (vFile, interrupts, maxInterrupts)))
1303 /* "generic" interrupt table header (if port doesn't specify one).
1304 * Look suspiciously like 8051 code to me...
1307 fprintf (vFile, "\tljmp\t__sdcc_gsinit_startup\n");
1310 /* now for the other interrupts */
1311 for (; i < maxInterrupts; i++)
1314 fprintf (vFile, "\tljmp\t%s\n\t.ds\t5\n", interrupts[i]->rname);
1316 fprintf (vFile, "\treti\n\t.ds\t7\n");
1323 ";--------------------------------------------------------\n"
1324 "; File Created by SDCC : FreeWare ANSI-C Compiler\n"};
1328 ";--------------------------------------------------------\n"};
1331 /*-----------------------------------------------------------------*/
1332 /* initialComments - puts in some initial comments */
1333 /*-----------------------------------------------------------------*/
1335 initialComments (FILE * afile)
1339 fprintf (afile, "%s", iComments1);
1340 fprintf (afile, "; Version " SDCC_VERSION_STR " %s\n", asctime (localtime (&t)));
1341 fprintf (afile, "%s", iComments2);
1344 /*-----------------------------------------------------------------*/
1345 /* printPublics - generates .global for publics */
1346 /*-----------------------------------------------------------------*/
1348 printPublics (FILE * afile)
1352 fprintf (afile, "%s", iComments2);
1353 fprintf (afile, "; Public variables in this module\n");
1354 fprintf (afile, "%s", iComments2);
1356 for (sym = setFirstItem (publics); sym;
1357 sym = setNextItem (publics))
1358 tfprintf (afile, "\t!global\n", sym->rname);
1361 /*-----------------------------------------------------------------*/
1362 /* printExterns - generates .global for externs */
1363 /*-----------------------------------------------------------------*/
1365 printExterns (FILE * afile)
1369 fprintf (afile, "%s", iComments2);
1370 fprintf (afile, "; Externals used\n");
1371 fprintf (afile, "%s", iComments2);
1373 for (sym = setFirstItem (externs); sym;
1374 sym = setNextItem (externs))
1375 tfprintf (afile, "\t!extern\n", sym->rname);
1378 /*-----------------------------------------------------------------*/
1379 /* emitOverlay - will emit code for the overlay stuff */
1380 /*-----------------------------------------------------------------*/
1382 emitOverlay (FILE * afile)
1386 if (!elementsInSet (ovrSetSets))
1387 tfprintf (afile, "\t!area\n", port->mem.overlay_name);
1389 /* for each of the sets in the overlay segment do */
1390 for (ovrset = setFirstItem (ovrSetSets); ovrset;
1391 ovrset = setNextItem (ovrSetSets))
1396 if (elementsInSet (ovrset))
1398 /* output the area informtion */
1399 fprintf (afile, "\t.area\t%s\n", port->mem.overlay_name); /* MOF */
1402 for (sym = setFirstItem (ovrset); sym;
1403 sym = setNextItem (ovrset))
1405 /* if extern then it is in the publics table: do nothing */
1406 if (IS_EXTERN (sym->etype))
1409 /* if allocation required check is needed
1410 then check if the symbol really requires
1411 allocation only for local variables */
1412 if (!IS_AGGREGATE (sym->type) &&
1413 !(sym->_isparm && !IS_REGPARM (sym->etype))
1414 && !sym->allocreq && sym->level)
1417 /* if global variable & not static or extern
1418 and addPublics allowed then add it to the public set */
1419 if ((sym->_isparm && !IS_REGPARM (sym->etype))
1420 && !IS_STATIC (sym->etype))
1422 addSetHead (&publics, sym);
1425 /* if extern then do nothing or is a function
1427 if (IS_FUNC (sym->type))
1430 /* print extra debug info if required */
1435 if (IS_STATIC (sym->etype))
1436 fprintf (afile, "F%s$", moduleName); /* scope is file */
1438 fprintf (afile, "G$"); /* scope is global */
1441 /* symbol is local */
1442 fprintf (afile, "L%s$",
1443 (sym->localof ? sym->localof->name : "-null-"));
1444 fprintf (afile, "%s$%d$%d", sym->name, sym->level, sym->block);
1447 /* if is has an absolute address then generate
1448 an equate for this no need to allocate space */
1449 if (SPEC_ABSA (sym->etype))
1453 fprintf (afile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
1455 fprintf (afile, "%s\t=\t0x%04x\n",
1457 SPEC_ADDR (sym->etype));
1460 int size = getSize(sym->type);
1463 werror(E_UNKNOWN_SIZE,sym->name);
1466 fprintf (afile, "==.\n");
1468 /* allocate space */
1469 tfprintf (afile, "!labeldef\n", sym->rname);
1470 tfprintf (afile, "\t!ds\n", (unsigned int) getSize (sym->type) & 0xffff);
1478 /*-----------------------------------------------------------------*/
1479 /* spacesToUnderscores - replace spaces with underscores */
1480 /*-----------------------------------------------------------------*/
1482 spacesToUnderscores (char *dest, const char *src, size_t len)
1487 assert(dest != NULL);
1488 assert(src != NULL);
1492 for (p = dest, i = 0; *src != '\0' && i < len; ++src, ++i) {
1493 *p++ = isspace(*src) ? '_' : *src;
1501 /*-----------------------------------------------------------------*/
1502 /* glue - the final glue that hold the whole thing together */
1503 /*-----------------------------------------------------------------*/
1509 FILE *ovrFile = tempfile ();
1510 char moduleBuf[PATH_MAX];
1512 addSetHead (&tmpfileSet, ovrFile);
1513 /* print the global struct definitions */
1517 vFile = tempfile ();
1518 /* PENDING: this isnt the best place but it will do */
1519 if (port->general.glue_up_main)
1521 /* create the interrupt vector table */
1522 createInterruptVect (vFile);
1525 addSetHead (&tmpfileSet, vFile);
1527 /* emit code for the all the variables declared */
1529 /* do the overlay segments */
1530 emitOverlay (ovrFile);
1532 outputDebugSymbols();
1534 /* now put it all together into the assembler file */
1535 /* create the assembler file name */
1537 /* -o option overrides default name? */
1538 if ((noAssemble || options.c1mode) && fullDstFileName)
1540 strncpyz (scratchFileName, fullDstFileName, PATH_MAX);
1544 strncpyz (scratchFileName, dstFileName, PATH_MAX);
1545 strncatz (scratchFileName, port->assembler.file_ext, PATH_MAX);
1548 if (!(asmFile = fopen (scratchFileName, "w")))
1550 werror (E_FILE_OPEN_ERR, scratchFileName);
1554 /* initial comments */
1555 initialComments (asmFile);
1557 /* print module name */
1558 tfprintf (asmFile, "\t!module\n",
1559 spacesToUnderscores (moduleBuf, moduleName, sizeof moduleBuf));
1560 tfprintf (asmFile, "\t!fileprelude\n");
1562 /* Let the port generate any global directives, etc. */
1563 if (port->genAssemblerPreamble)
1565 port->genAssemblerPreamble (asmFile);
1568 /* print the global variables in this module */
1569 printPublics (asmFile);
1570 if (port->assembler.externGlobal)
1571 printExterns (asmFile);
1573 /* copy the sfr segment */
1574 fprintf (asmFile, "%s", iComments2);
1575 fprintf (asmFile, "; special function registers\n");
1576 fprintf (asmFile, "%s", iComments2);
1577 copyFile (asmFile, sfr->oFile);
1579 /* copy the sbit segment */
1580 fprintf (asmFile, "%s", iComments2);
1581 fprintf (asmFile, "; special function bits \n");
1582 fprintf (asmFile, "%s", iComments2);
1583 copyFile (asmFile, sfrbit->oFile);
1585 /*JCF: Create the areas for the register banks*/
1586 if(port->general.glue_up_main &&
1587 (TARGET_IS_MCS51 || TARGET_IS_DS390 || TARGET_IS_XA51 || TARGET_IS_DS400))
1589 if(RegBankUsed[0]||RegBankUsed[1]||RegBankUsed[2]||RegBankUsed[3])
1591 fprintf (asmFile, "%s", iComments2);
1592 fprintf (asmFile, "; overlayable register banks \n");
1593 fprintf (asmFile, "%s", iComments2);
1595 fprintf (asmFile, "\t.area REG_BANK_0\t(REL,OVR,DATA)\n\t.ds 8\n");
1596 if(RegBankUsed[1]||options.parms_in_bank1)
1597 fprintf (asmFile, "\t.area REG_BANK_1\t(REL,OVR,DATA)\n\t.ds 8\n");
1599 fprintf (asmFile, "\t.area REG_BANK_2\t(REL,OVR,DATA)\n\t.ds 8\n");
1601 fprintf (asmFile, "\t.area REG_BANK_3\t(REL,OVR,DATA)\n\t.ds 8\n");
1605 /* copy the data segment */
1606 fprintf (asmFile, "%s", iComments2);
1607 fprintf (asmFile, "; internal ram data\n");
1608 fprintf (asmFile, "%s", iComments2);
1609 copyFile (asmFile, data->oFile);
1612 /* create the overlay segments */
1614 fprintf (asmFile, "%s", iComments2);
1615 fprintf (asmFile, "; overlayable items in internal ram \n");
1616 fprintf (asmFile, "%s", iComments2);
1617 copyFile (asmFile, ovrFile);
1620 /* create the stack segment MOF */
1621 if (mainf && IFFUNC_HASBODY(mainf->type))
1623 fprintf (asmFile, "%s", iComments2);
1624 fprintf (asmFile, "; Stack segment in internal ram \n");
1625 fprintf (asmFile, "%s", iComments2);
1626 fprintf (asmFile, "\t.area\tSSEG\t(DATA)\n"
1627 "__start__stack:\n\t.ds\t1\n\n");
1630 /* create the idata segment */
1632 fprintf (asmFile, "%s", iComments2);
1633 fprintf (asmFile, "; indirectly addressable internal ram data\n");
1634 fprintf (asmFile, "%s", iComments2);
1635 copyFile (asmFile, idata->oFile);
1638 /* copy the bit segment */
1639 fprintf (asmFile, "%s", iComments2);
1640 fprintf (asmFile, "; bit data\n");
1641 fprintf (asmFile, "%s", iComments2);
1642 copyFile (asmFile, bit->oFile);
1644 /* if external stack then reserve space of it */
1645 if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack)
1647 fprintf (asmFile, "%s", iComments2);
1648 fprintf (asmFile, "; external stack \n");
1649 fprintf (asmFile, "%s", iComments2);
1650 fprintf (asmFile, "\t.area XSEG (XDATA)\n"); /* MOF */
1651 fprintf (asmFile, "\t.ds 256\n");
1655 /* copy xtern ram data */
1656 fprintf (asmFile, "%s", iComments2);
1657 fprintf (asmFile, "; external ram data\n");
1658 fprintf (asmFile, "%s", iComments2);
1659 copyFile (asmFile, xdata->oFile);
1661 /* copy xternal initialized ram data */
1662 fprintf (asmFile, "%s", iComments2);
1663 fprintf (asmFile, "; external initialized ram data\n");
1664 fprintf (asmFile, "%s", iComments2);
1665 copyFile (asmFile, xidata->oFile);
1667 /* copy the interrupt vector table */
1668 if (mainf && IFFUNC_HASBODY(mainf->type))
1670 fprintf (asmFile, "%s", iComments2);
1671 fprintf (asmFile, "; interrupt vector \n");
1672 fprintf (asmFile, "%s", iComments2);
1673 copyFile (asmFile, vFile);
1676 /* copy global & static initialisations */
1677 fprintf (asmFile, "%s", iComments2);
1678 fprintf (asmFile, "; global & static initialisations\n");
1679 fprintf (asmFile, "%s", iComments2);
1681 /* Everywhere we generate a reference to the static_name area,
1682 * (which is currently only here), we immediately follow it with a
1683 * definition of the post_static_name area. This guarantees that
1684 * the post_static_name area will immediately follow the static_name
1687 tfprintf (asmFile, "\t!area\n", port->mem.static_name); /* MOF */
1688 tfprintf (asmFile, "\t!area\n", port->mem.post_static_name);
1689 tfprintf (asmFile, "\t!area\n", port->mem.static_name);
1691 if (mainf && IFFUNC_HASBODY(mainf->type))
1693 fprintf (asmFile, "__sdcc_gsinit_startup:\n");
1694 /* if external stack is specified then the
1695 higher order byte of the xdatalocation is
1696 going into P2 and the lower order going into
1698 if (options.useXstack)
1700 fprintf (asmFile, "\tmov\tP2,#0x%02x\n",
1701 (((unsigned int) options.xdata_loc) >> 8) & 0xff);
1702 fprintf (asmFile, "\tmov\t_spx,#0x%02x\n",
1703 (unsigned int) options.xdata_loc & 0xff);
1706 // This should probably be a port option, but I'm being lazy.
1707 // on the 400, the firmware boot loader gives us a valid stack
1708 // (see '400 data sheet pg. 85 (TINI400 ROM Initialization code)
1709 if (!TARGET_IS_DS400)
1711 /* initialise the stack pointer. JCF: aslink takes care of the location */
1712 fprintf (asmFile, "\tmov\tsp,#__start__stack - 1\n"); /* MOF */
1715 fprintf (asmFile, "\tlcall\t__sdcc_external_startup\n");
1716 fprintf (asmFile, "\tmov\ta,dpl\n");
1717 fprintf (asmFile, "\tjz\t__sdcc_init_data\n");
1718 fprintf (asmFile, "\tljmp\t__sdcc_program_startup\n");
1719 fprintf (asmFile, "__sdcc_init_data:\n");
1721 // if the port can copy the XINIT segment to XISEG
1722 if (port->genXINIT) {
1723 port->genXINIT(asmFile);
1727 copyFile (asmFile, statsg->oFile);
1729 if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type))
1731 /* This code is generated in the post-static area.
1732 * This area is guaranteed to follow the static area
1733 * by the ugly shucking and jiving about 20 lines ago.
1735 tfprintf (asmFile, "\t!area\n", port->mem.post_static_name);
1736 fprintf (asmFile, "\tljmp\t__sdcc_program_startup\n");
1742 "%s", iComments2, iComments2);
1743 tfprintf (asmFile, "\t!areahome\n", HOME_NAME);
1744 copyFile (asmFile, home->oFile);
1746 /* copy over code */
1747 fprintf (asmFile, "%s", iComments2);
1748 fprintf (asmFile, "; code\n");
1749 fprintf (asmFile, "%s", iComments2);
1750 tfprintf (asmFile, "\t!areacode\n", CODE_NAME);
1751 if (mainf && IFFUNC_HASBODY(mainf->type))
1754 /* entry point @ start of CSEG */
1755 fprintf (asmFile, "__sdcc_program_startup:\n");
1757 /* put in the call to main */
1758 fprintf (asmFile, "\tlcall\t_main\n");
1759 if (options.mainreturn)
1762 fprintf (asmFile, ";\treturn from main ; will return to caller\n");
1763 fprintf (asmFile, "\tret\n");
1769 fprintf (asmFile, ";\treturn from main will lock up\n");
1770 fprintf (asmFile, "\tsjmp .\n");
1773 copyFile (asmFile, code->oFile);
1775 if (port->genAssemblerEnd) {
1776 port->genAssemblerEnd(asmFile);
1784 /** Creates a temporary file with unoque file name
1786 - TMP, TEMP, TMPDIR env. varibles
1787 - if Un*x system: /usr/tmp and /tmp
1788 - root directory using mkstemp() if avaliable
1789 - default location using tempnam()
1792 tempfileandname(char *fname, size_t len)
1794 #define TEMPLATE "sdccXXXXXX"
1795 #define TEMPLATE_LEN ((sizeof TEMPLATE) - 1)
1797 const char *tmpdir = NULL;
1800 if ((tmpdir = getenv ("TMP")) == NULL)
1801 if ((tmpdir = getenv ("TEMP")) == NULL)
1802 tmpdir = getenv ("TMPDIR");
1806 /* try with /usr/tmp and /tmp on Un*x systems */
1807 struct stat statbuf;
1809 if (tmpdir == NULL) {
1810 if (stat("/usr/tmp", &statbuf) != -1)
1811 tmpdir = "/usr/tmp";
1812 else if (stat("/tmp", &statbuf) != -1)
1820 char fnamebuf[PATH_MAX];
1823 if (fname == NULL || len == 0) {
1825 len = sizeof fnamebuf;
1829 name_len = strlen(tmpdir) + 1 + TEMPLATE_LEN;
1831 assert(name_len < len);
1832 if (!(name_len < len)) /* in NDEBUG is defined */
1833 return -1; /* buffer too small, temporary file can not be created */
1835 sprintf(fname, "%s" DIR_SEPARATOR_STRING TEMPLATE, tmpdir);
1838 name_len = TEMPLATE_LEN;
1840 assert(name_len < len);
1841 if (!(name_len < len)) /* in NDEBUG is defined */
1842 return -1; /* buffer too small, temporary file can not be created */
1844 strcpy(fname, TEMPLATE);
1847 fd = mkstemp(fname);
1851 char *name = tempnam(tmpdir, "sdcc");
1854 perror("Can't create temporary file name");
1858 assert(strlen(name) < len);
1859 if (!(strlen(name) < len)) /* in NDEBUG is defined */
1860 return -1; /* buffer too small, temporary file can not be created */
1862 strcpy(fname, name);
1864 fd = open(name, O_CREAT | O_EXCL | O_RDWR, S_IREAD | S_IWRITE);
1866 fd = open(name, O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR);
1872 perror("Can't create temporary file");
1880 /** Create a temporary file name
1886 static char fnamebuf[PATH_MAX];
1888 if ((fd = tempfileandname(fnamebuf, sizeof fnamebuf)) == -1) {
1889 fprintf(stderr, "Can't create temporary file name!");
1900 /** Create a temporary file and add it to tmpfileNameSet,
1901 so that it is removed explicitly by rm_tmpfiles()
1902 or implicitly at program extit.
1910 char fnamebuf[PATH_MAX];
1912 if ((fd = tempfileandname(fnamebuf, sizeof fnamebuf)) == -1) {
1913 fprintf(stderr, "Can't create temporary file!");
1917 tmp = Safe_strdup(fnamebuf);
1919 addSetHead(&tmpfileNameSet, tmp);
1921 if ((fp = fdopen(fd, "w+b")) == NULL) {
1922 perror("Can't create temporary file!");