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 -------------------------------------------------------------------------*/
25 #include "../common.h"
32 #ifdef WORDS_BIGENDIAN
33 #define _ENDIAN(x) (3-x)
35 #define _ENDIAN(x) (x)
38 #define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
40 extern symbol *interrupts[256];
41 static void printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb);
44 extern unsigned maxInterrupts;
45 extern int maxRegBank;
47 extern char *VersionString;
48 extern FILE *codeOutFile;
49 extern set *tmpfileSet;
50 extern set *tmpfileNameSet;
51 extern char *iComments1;
52 extern char *iComments2;
53 //extern void emitStaticSeg (memmap * map);
55 extern DEFSETFUNC (closeTmpFiles);
56 extern DEFSETFUNC (rmTmpFiles);
58 extern void pic16_AnalyzeBanking (void);
59 extern void copyFile (FILE * dest, FILE * src);
60 extern void pic16_InlinepCode(void);
61 extern void pic16_writeUsedRegs(FILE *);
63 extern void initialComments (FILE * afile);
64 extern void printPublics (FILE * afile);
66 extern void printChar (FILE * ofile, char *s, int plen);
67 void pic16_pCodeInitRegisters(void);
69 /*-----------------------------------------------------------------*/
70 /* aopLiteral - string from a literal value */
71 /*-----------------------------------------------------------------*/
72 int pic16aopLiteral (value *val, int offset)
79 /* if it is a float then it gets tricky */
80 /* otherwise it is fairly simple */
81 if (!IS_FLOAT(val->type)) {
82 unsigned long v = (unsigned long) floatFromVal(val);
84 return ( (v >> (offset * 8)) & 0xff);
87 /* it is type float */
88 fl.f = (float) floatFromVal(val);
89 #ifdef WORDS_BIGENDIAN
90 return fl.c[3-offset];
98 /*-----------------------------------------------------------------*/
99 /* emitRegularMap - emit code for maps with no special cases */
100 /*-----------------------------------------------------------------*/
102 pic16emitRegularMap (memmap * map, bool addPublics, bool arFlag)
105 int i, size, bitvars = 0;;
108 fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
110 /* print the area name */
111 for (sym = setFirstItem (map->syms); sym;
112 sym = setNextItem (map->syms))
115 /* if extern then do nothing */
116 if (IS_EXTERN (sym->etype))
119 /* if allocation required check is needed
120 then check if the symbol really requires
121 allocation only for local variables */
122 if (arFlag && !IS_AGGREGATE (sym->type) &&
123 !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
124 !sym->allocreq && sym->level)
127 /* if global variable & not static or extern
128 and addPublics allowed then add it to the public set */
129 if ((sym->level == 0 ||
130 (sym->_isparm && !IS_REGPARM (sym->etype))) &&
132 !IS_STATIC (sym->etype))
133 addSetHead (&publics, sym);
135 /* if extern then do nothing or is a function
137 if (IS_FUNC (sym->type))
140 /* print extra debug info if required */
141 if (options.debug || sym->level == 0)
144 cdbSymbol (sym, cdbFile, FALSE, FALSE);
146 if (!sym->level) /* global */
147 if (IS_STATIC (sym->etype))
148 fprintf (map->oFile, "F%s_", moduleName); /* scope is file */
150 fprintf (map->oFile, "G_"); /* scope is global */
152 /* symbol is local */
153 fprintf (map->oFile, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
154 fprintf (map->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
158 /* if is has an absolute address then generate
159 an equate for this no need to allocate space */
160 if (SPEC_ABSA (sym->etype))
162 //if (options.debug || sym->level == 0)
163 //fprintf (map->oFile,"; == 0x%04x\n",SPEC_ADDR (sym->etype));
165 fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
167 SPEC_ADDR (sym->etype));
173 /* If this is a bit variable, then allocate storage after 8 bits have been declared */
174 /* unlike the 8051, the pic does not have a separate bit area. So we emulate bit ram */
175 /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
176 if (IS_BITVAR (sym->etype))
182 fprintf (map->oFile, "\t%s\n", sym->rname);
183 if ((size = (unsigned int) getSize (sym->type) & 0xffff) > 1)
185 for (i = 1; i < size; i++)
186 fprintf (map->oFile, "\t%s_%d\n", sym->rname, i);
189 //fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
192 /* if it has a initial value then do it only if
193 it is a global variable */
194 if (sym->ival && sym->level == 0) {
197 if (IS_AGGREGATE (sym->type))
198 ival = initAggregates (sym, sym->ival, NULL);
200 ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
201 decorateType (resolveSymbols (list2expr (sym->ival))));
202 codeOutFile = statsg->oFile;
204 eBBlockFromiCode (iCodeFromAst (ival));
211 /*-----------------------------------------------------------------*/
212 /* printIvalType - generates ival for int/char */
213 /*-----------------------------------------------------------------*/
215 printIvalType (symbol *sym, sym_link * type, initList * ilist, pBlock *pb)
220 //fprintf(stderr, "%s\n",__FUNCTION__);
222 /* if initList is deep */
223 if (ilist->type == INIT_DEEP)
224 ilist = ilist->init.deep;
226 if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
227 werror (W_EXCESS_INITIALIZERS, "scalar", sym->name, sym->lineDef);
230 if (!(val = list2val (ilist))) {
231 // assuming a warning has been thrown
235 if (val->type != type) {
236 val = valCastLiteral(type, floatFromVal(val));
240 ulval = (unsigned long) floatFromVal (val);
244 switch (getSize (type)) {
246 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
250 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
251 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
255 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
256 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
257 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
258 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
263 /*-----------------------------------------------------------------*/
264 /* printIvalChar - generates initital value for character array */
265 /*-----------------------------------------------------------------*/
267 printIvalChar (sym_link * type, initList * ilist, pBlock *pb, char *s)
275 fprintf(stderr, "%s\n",__FUNCTION__);
279 val = list2val (ilist);
280 /* if the value is a character string */
281 if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
283 if (!DCL_ELEM (type))
284 DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
286 //printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
287 //fprintf(stderr, "%s omitting call to printChar\n",__FUNCTION__);
288 pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";omitting call to printChar"));
290 if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
292 //tfprintf (oFile, "\t!db !constbyte\n", 0);
293 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(0)));
300 //printChar (oFile, s, strlen (s) + 1);
302 for(remain=0; remain<strlen(s); remain++) {
303 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(s[remain])));
304 //fprintf(stderr,"0x%02x ",s[remain]);
306 //fprintf(stderr,"\n");
311 /*-----------------------------------------------------------------*/
312 /* printIvalArray - generates code for array initialization */
313 /*-----------------------------------------------------------------*/
315 printIvalArray (symbol * sym, sym_link * type, initList * ilist,
319 int lcnt = 0, size = 0;
324 /* take care of the special case */
325 /* array of characters can be init */
327 if (IS_CHAR (type->next)) {
328 //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
329 if (!IS_LITERAL(list2val(ilist)->etype)) {
330 werror (W_INIT_WRONG);
333 if (printIvalChar (type,
334 (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
335 pb, SPEC_CVAL (sym->etype).v_char))
338 /* not the special case */
339 if (ilist->type != INIT_DEEP)
341 werror (E_INIT_STRUCT, sym->name);
345 iloop = ilist->init.deep;
346 lcnt = DCL_ELEM (type);
350 //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
352 printIval (sym, type->next, iloop, pb);
353 iloop = (iloop ? iloop->next : NULL);
356 /* if not array limits given & we */
357 /* are out of initialisers then */
358 if (!DCL_ELEM (type) && !iloop)
361 /* no of elements given and we */
362 /* have generated for all of them */
364 /* if initializers left */
366 werror (W_EXCESS_INITIALIZERS, "array", sym->name, sym->lineDef);
372 /* if we have not been given a size */
373 if (!DCL_ELEM (type))
374 DCL_ELEM (type) = size;
379 /*-----------------------------------------------------------------*/
380 /* printIval - generates code for initial value */
381 /*-----------------------------------------------------------------*/
383 printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
388 /* if structure then */
389 if (IS_STRUCT (type))
391 //fprintf(stderr,"%s struct\n",__FUNCTION__);
392 //printIvalStruct (sym, type, ilist, oFile);
396 /* if this is a pointer */
399 //fprintf(stderr,"%s pointer\n",__FUNCTION__);
400 //printIvalPtr (sym, type, ilist, oFile);
404 /* if this is an array */
407 //fprintf(stderr,"%s array\n",__FUNCTION__);
408 printIvalArray (sym, type, ilist, pb);
412 /* if type is SPECIFIER */
415 //fprintf(stderr,"%s spec\n",__FUNCTION__);
416 printIvalType (sym, type, ilist, pb);
421 extern void pic16_pCodeConstString(char *name, char *value);
422 /*-----------------------------------------------------------------*/
423 /* emitStaticSeg - emitcode for the static segment */
424 /*-----------------------------------------------------------------*/
426 pic16emitStaticSeg (memmap * map)
430 fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
432 //fprintf(stderr, "%s\n",__FUNCTION__);
434 /* for all variables in this segment do */
435 for (sym = setFirstItem (map->syms); sym;
436 sym = setNextItem (map->syms))
438 /* if it is "extern" then do nothing */
439 if (IS_EXTERN (sym->etype))
442 /* if it is not static add it to the public
444 if (!IS_STATIC (sym->etype))
445 addSetHead (&publics, sym);
448 /* print extra debug info if required */
449 if (options.debug || sym->level == 0)
451 /* NOTE to me - cdbFile may be null in which case,
452 * the sym name will be printed to stdout. oh well */
454 cdbSymbol (sym, cdbFile, FALSE, FALSE);
458 if (IS_STATIC (sym->etype))
459 fprintf (code->oFile, "F%s_", moduleName); /* scope is file */
461 fprintf (code->oFile, "G_"); /* scope is global */
464 /* symbol is local */
465 fprintf (code->oFile, "L%s_",
466 (sym->localof ? sym->localof->name : "-null-"));
467 fprintf (code->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
472 /* if it has an absolute address */
473 if (SPEC_ABSA (sym->etype))
475 if (options.debug || sym->level == 0)
476 fprintf (code->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
478 fprintf (code->oFile, "%s\t=\t0x%04x\n",
480 SPEC_ADDR (sym->etype));
484 if (options.debug || sym->level == 0)
485 fprintf (code->oFile, " == .\n");
487 /* if it has an initial value */
492 fprintf (code->oFile, "%s:\n", sym->rname);
494 resolveIvalSym (sym->ival);
495 //printIval (sym, sym->type, sym->ival, code->oFile);
496 pb = pic16_newpCodeChain(NULL, 'P',pic16_newpCodeCharP("; Starting pCode block for Ival"));
498 pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
500 printIval (sym, sym->type, sym->ival, pb);
507 fprintf (code->oFile, "%s:\n", sym->rname);
508 /* special case for character strings */
509 if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
510 SPEC_CVAL (sym->etype).v_char)
511 pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
512 /*printChar (code->oFile,
513 SPEC_CVAL (sym->etype).v_char,
514 strlen (SPEC_CVAL (sym->etype).v_char) + 1);*/
516 fprintf (code->oFile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
524 /*-----------------------------------------------------------------*/
525 /* emitMaps - emits the code for the data portion the code */
526 /*-----------------------------------------------------------------*/
530 /* no special considerations for the following
531 data, idata & bit & xdata */
532 pic16emitRegularMap (data, TRUE, TRUE);
533 pic16emitRegularMap (idata, TRUE, TRUE);
534 pic16emitRegularMap (bit, TRUE, FALSE);
535 pic16emitRegularMap (xdata, TRUE, TRUE);
536 pic16emitRegularMap (sfr, FALSE, FALSE);
537 pic16emitRegularMap (sfrbit, FALSE, FALSE);
538 pic16emitRegularMap (code, TRUE, FALSE);
539 pic16emitStaticSeg (statsg);
542 /*-----------------------------------------------------------------*/
543 /* createInterruptVect - creates the interrupt vector */
544 /*-----------------------------------------------------------------*/
546 pic16createInterruptVect (FILE * vFile)
549 mainf = newSymbol ("main", 0);
552 /* only if the main function exists */
553 if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
555 if (!options.cc_only)
560 /* if the main is only a prototype ie. no body then do nothing */
561 if (!IFFUNC_HASBODY(mainf->type))
563 /* if ! compile only then main function should be present */
564 if (!options.cc_only)
569 fprintf (vFile, ";\t.area\t%s\n", CODE_NAME);
570 fprintf (vFile, ";__interrupt_vect:\n");
573 if (!port->genIVT || !(port->genIVT (vFile, interrupts, maxInterrupts)))
575 /* "generic" interrupt table header (if port doesn't specify one).
577 * Look suspiciously like 8051 code to me...
580 fprintf (vFile, ";\tljmp\t__sdcc_gsinit_startup\n");
583 /* now for the other interrupts */
584 for (; i < maxInterrupts; i++)
587 fprintf (vFile, ";\tljmp\t%s\n;\t.ds\t5\n", interrupts[i]->rname);
589 fprintf (vFile, ";\treti\n;\t.ds\t7\n");
595 /*-----------------------------------------------------------------*/
596 /* initialComments - puts in some initial comments */
597 /*-----------------------------------------------------------------*/
599 pic16initialComments (FILE * afile)
601 initialComments (afile);
602 fprintf (afile, "; PIC port for the 16-bit core\n");
603 fprintf (afile, iComments2);
607 /*-----------------------------------------------------------------*/
608 /* printPublics - generates .global for publics */
609 /*-----------------------------------------------------------------*/
611 pic16printPublics (FILE * afile)
615 fprintf (afile, "%s", iComments2);
616 fprintf (afile, "; publics variables in this module\n");
617 fprintf (afile, "%s", iComments2);
619 for (sym = setFirstItem (publics); sym;
620 sym = setNextItem (publics))
621 fprintf (afile, ";\t.globl %s\n", sym->rname);
626 /*-----------------------------------------------------------------*/
627 /* emitOverlay - will emit code for the overlay stuff */
628 /*-----------------------------------------------------------------*/
630 pic16emitOverlay (FILE * afile)
634 if (!elementsInSet (ovrSetSets))
635 fprintf (afile, ";\t.area\t%s\n", port->mem.overlay_name);
637 /* for each of the sets in the overlay segment do */
638 for (ovrset = setFirstItem (ovrSetSets); ovrset;
639 ovrset = setNextItem (ovrSetSets))
644 if (elementsInSet (ovrset))
646 /* this dummy area is used to fool the assembler
647 otherwise the assembler will append each of these
648 declarations into one chunk and will not overlay
650 fprintf (afile, ";\t.area _DUMMY\n");
651 /* output the area informtion */
652 fprintf (afile, ";\t.area\t%s\n", port->mem.overlay_name); /* MOF */
655 for (sym = setFirstItem (ovrset); sym;
656 sym = setNextItem (ovrset))
659 /* if extern then do nothing */
660 if (IS_EXTERN (sym->etype))
663 /* if allocation required check is needed
664 then check if the symbol really requires
665 allocation only for local variables */
666 if (!IS_AGGREGATE (sym->type) &&
667 !(sym->_isparm && !IS_REGPARM (sym->etype))
668 && !sym->allocreq && sym->level)
671 /* if global variable & not static or extern
672 and addPublics allowed then add it to the public set */
673 if ((sym->_isparm && !IS_REGPARM (sym->etype))
674 && !IS_STATIC (sym->etype))
675 addSetHead (&publics, sym);
677 /* if extern then do nothing or is a function
679 if (IS_FUNC (sym->type))
683 /* print extra debug info if required */
684 if (options.debug || sym->level == 0)
687 cdbSymbol (sym, cdbFile, FALSE, FALSE);
691 if (IS_STATIC (sym->etype))
692 fprintf (afile, "F%s_", moduleName); /* scope is file */
694 fprintf (afile, "G_"); /* scope is global */
697 /* symbol is local */
698 fprintf (afile, "L%s_",
699 (sym->localof ? sym->localof->name : "-null-"));
700 fprintf (afile, "%s_%d_%d", sym->name, sym->level, sym->block);
704 /* if is has an absolute address then generate
705 an equate for this no need to allocate space */
706 if (SPEC_ABSA (sym->etype))
709 if (options.debug || sym->level == 0)
710 fprintf (afile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
712 fprintf (afile, "%s\t=\t0x%04x\n",
714 SPEC_ADDR (sym->etype));
718 if (options.debug || sym->level == 0)
719 fprintf (afile, "==.\n");
722 fprintf (afile, "%s:\n", sym->rname);
723 fprintf (afile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
731 /*-----------------------------------------------------------------*/
732 /* glue - the final glue that hold the whole thing together */
733 /*-----------------------------------------------------------------*/
740 FILE *ovrFile = tempfile();
742 addSetHead(&tmpfileSet,ovrFile);
743 pic16_pCodeInitRegisters();
745 if (mainf && IFFUNC_HASBODY(mainf->type)) {
747 pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
750 /* entry point @ start of CSEG */
751 pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
752 /* put in the call to main */
753 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
755 if (options.mainreturn) {
757 pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
758 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
762 pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
763 pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",PO_STR)));
769 /* At this point we've got all the code in the form of pCode structures */
770 /* Now it needs to be rearranged into the order it should be placed in the */
773 pic16_movepBlock2Head('P'); // Last
774 pic16_movepBlock2Head(code->dbName);
775 pic16_movepBlock2Head('X');
776 pic16_movepBlock2Head(statsg->dbName); // First
779 /* print the global struct definitions */
781 cdbStructBlock (0); //,cdbFile);
784 /* PENDING: this isnt the best place but it will do */
785 if (port->general.glue_up_main) {
786 /* create the interrupt vector table */
787 pic16createInterruptVect (vFile);
790 addSetHead(&tmpfileSet,vFile);
792 /* emit code for the all the variables declared */
794 /* do the overlay segments */
795 pic16emitOverlay(ovrFile);
798 pic16_AnalyzepCode('*');
801 //pic16_printCallTree(stderr);
806 pic16_AnalyzepCode('*');
811 /* now put it all together into the assembler file */
812 /* create the assembler file name */
814 if ((noAssemble || options.c1mode) && fullDstFileName)
816 sprintf (buffer, fullDstFileName);
820 sprintf (buffer, dstFileName);
821 strcat (buffer, ".asm");
824 if (!(asmFile = fopen (buffer, "w"))) {
825 werror (E_FILE_OPEN_ERR, buffer);
829 /* initial comments */
830 pic16initialComments (asmFile);
832 /* print module name */
833 fprintf (asmFile, ";\t.module %s\n", moduleName);
835 /* Let the port generate any global directives, etc. */
836 if (port->genAssemblerPreamble)
838 port->genAssemblerPreamble(asmFile);
841 /* print the global variables in this module */
842 pic16printPublics (asmFile);
845 /* copy the sfr segment */
846 fprintf (asmFile, "%s", iComments2);
847 fprintf (asmFile, "; special function registers\n");
848 fprintf (asmFile, "%s", iComments2);
849 copyFile (asmFile, sfr->oFile);
852 /* Put all variables into a cblock */
853 pic16_AnalyzeBanking();
854 pic16_writeUsedRegs(asmFile);
856 /* create the overlay segments */
857 fprintf (asmFile, "%s", iComments2);
858 fprintf (asmFile, "; overlayable items in internal ram \n");
859 fprintf (asmFile, "%s", iComments2);
860 copyFile (asmFile, ovrFile);
862 /* create the stack segment MOF */
863 if (mainf && IFFUNC_HASBODY(mainf->type)) {
864 fprintf (asmFile, "%s", iComments2);
865 fprintf (asmFile, "; Stack segment in internal ram \n");
866 fprintf (asmFile, "%s", iComments2);
867 fprintf (asmFile, ";\t.area\tSSEG\t(DATA)\n"
868 ";__start__stack:\n;\t.ds\t1\n\n");
871 /* create the idata segment */
872 fprintf (asmFile, "%s", iComments2);
873 fprintf (asmFile, "; indirectly addressable internal ram data\n");
874 fprintf (asmFile, "%s", iComments2);
875 copyFile (asmFile, idata->oFile);
877 /* if external stack then reserve space of it */
878 if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack ) {
879 fprintf (asmFile, "%s", iComments2);
880 fprintf (asmFile, "; external stack \n");
881 fprintf (asmFile, "%s", iComments2);
882 fprintf (asmFile,";\t.area XSEG (XDATA)\n"); /* MOF */
883 fprintf (asmFile,";\t.ds 256\n");
887 /* copy xtern ram data */
888 fprintf (asmFile, "%s", iComments2);
889 fprintf (asmFile, "; external ram data\n");
890 fprintf (asmFile, "%s", iComments2);
891 copyFile (asmFile, xdata->oFile);
894 /* copy the bit segment */
895 fprintf (asmFile, "%s", iComments2);
896 fprintf (asmFile, "; bit data\n");
897 fprintf (asmFile, "%s", iComments2);
898 copyFile (asmFile, bit->oFile);
901 fprintf (asmFile, "\tORG 0\n");
903 /* copy the interrupt vector table */
904 if (mainf && IFFUNC_HASBODY(mainf->type)) {
905 fprintf (asmFile, "%s", iComments2);
906 fprintf (asmFile, "; interrupt vector \n");
907 fprintf (asmFile, "%s", iComments2);
908 copyFile (asmFile, vFile);
911 /* copy global & static initialisations */
912 fprintf (asmFile, "%s", iComments2);
913 fprintf (asmFile, "; global & static initialisations\n");
914 fprintf (asmFile, "%s", iComments2);
916 /* Everywhere we generate a reference to the static_name area,
917 * (which is currently only here), we immediately follow it with a
918 * definition of the post_static_name area. This guarantees that
919 * the post_static_name area will immediately follow the static_name
922 fprintf (asmFile, ";\t.area %s\n", port->mem.static_name); /* MOF */
923 fprintf (asmFile, ";\t.area %s\n", port->mem.post_static_name);
924 fprintf (asmFile, ";\t.area %s\n", port->mem.static_name);
926 if (mainf && IFFUNC_HASBODY(mainf->type)) {
927 fprintf (asmFile,"__sdcc_gsinit_startup:\n");
928 /* if external stack is specified then the
929 higher order byte of the xdatalocation is
930 going into P2 and the lower order going into
932 if (options.useXstack) {
933 fprintf(asmFile,";\tmov\tP2,#0x%02x\n",
934 (((unsigned int)options.xdata_loc) >> 8) & 0xff);
935 fprintf(asmFile,";\tmov\t_spx,#0x%02x\n",
936 (unsigned int)options.xdata_loc & 0xff);
941 if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type))
943 /* This code is generated in the post-static area.
944 * This area is guaranteed to follow the static area
945 * by the ugly shucking and jiving about 20 lines ago.
947 fprintf(asmFile, ";\t.area %s\n", port->mem.post_static_name);
948 fprintf (asmFile,";\tljmp\t__sdcc_program_startup\n");
952 fprintf (asmFile, "%s", iComments2);
953 fprintf (asmFile, "; code\n");
954 fprintf (asmFile, "%s", iComments2);
955 fprintf (asmFile, ";\t.area %s\n", port->mem.code_name);
957 //copyFile (stderr, code->oFile);
959 pic16_copypCode(asmFile, 'I');
960 pic16_copypCode(asmFile, statsg->dbName);
961 pic16_copypCode(asmFile, 'X');
962 pic16_copypCode(asmFile, 'M');
963 pic16_copypCode(asmFile, code->dbName);
964 pic16_copypCode(asmFile, 'P');
967 fprintf (asmFile,"\tend\n");