1/*****************************************************************************/
2/* */
3/* main.c */
4/* */
5/* Main program for the ca65 macroassembler */
6/* */
7/* */
8/* */
9/* (C) 1998-2013, Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#include <stdio.h>
37#include <stdlib.h>
38#include <string.h>
39#include <time.h>
40
41/* common */
42#include "addrsize.h"
43#include "chartype.h"
44#include "cmdline.h"
45#include "debugflag.h"
46#include "mmodel.h"
47#include "print.h"
48#include "scopedefs.h"
49#include "strbuf.h"
50#include "target.h"
51#include "tgttrans.h"
52#include "version.h"
53
54/* ca65 */
55#include "abend.h"
56#include "asserts.h"
57#include "dbginfo.h"
58#include "error.h"
59#include "expr.h"
60#include "feature.h"
61#include "filetab.h"
62#include "global.h"
63#include "incpath.h"
64#include "instr.h"
65#include "istack.h"
66#include "lineinfo.h"
67#include "listing.h"
68#include "macro.h"
69#include "nexttok.h"
70#include "objfile.h"
71#include "options.h"
72#include "pseudo.h"
73#include "scanner.h"
74#include "segment.h"
75#include "sizeof.h"
76#include "span.h"
77#include "spool.h"
78#include "symbol.h"
79#include "symtab.h"
80#include "ulabel.h"
81
82
83
84/*****************************************************************************/
85/* Code */
86/*****************************************************************************/
87
88
89
90static void Usage (void)
91/* Print usage information and exit */
92{
93 printf ("Usage: %s [options] file\n"
94 "Short options:\n"
95 " -D name[=value]\t\tDefine a symbol\n"
96 " -I dir\t\t\tSet an include directory search path\n"
97 " -U\t\t\t\tMark unresolved symbols as import\n"
98 " -V\t\t\t\tPrint the assembler version\n"
99 " -W n\t\t\t\tSet warning level n\n"
100 " -d\t\t\t\tDebug mode\n"
101 " -g\t\t\t\tAdd debug info to object file\n"
102 " -h\t\t\t\tHelp (this text)\n"
103 " -i\t\t\t\tIgnore case of symbols\n"
104 " -l name\t\t\tCreate a listing file if assembly was ok\n"
105 " -mm model\t\t\tSet the memory model\n"
106 " -o name\t\t\tName the output file\n"
107 " -s\t\t\t\tEnable smart mode\n"
108 " -t sys\t\t\tSet the target system\n"
109 " -v\t\t\t\tIncrease verbosity\n"
110 "\n"
111 "Long options:\n"
112 " --auto-import\t\t\tMark unresolved symbols as import\n"
113 " --bin-include-dir dir\t\tSet a search path for binary includes\n"
114 " --cpu type\t\t\tSet cpu type\n"
115 " --create-dep name\t\tCreate a make dependency file\n"
116 " --create-full-dep name\tCreate a full make dependency file\n"
117 " --debug\t\t\tDebug mode\n"
118 " --debug-info\t\t\tAdd debug info to object file\n"
119 " --feature name\t\tSet an emulation feature\n"
120 " --help\t\t\tHelp (this text)\n"
121 " --ignore-case\t\t\tIgnore case of symbols\n"
122 " --include-dir dir\t\tSet an include directory search path\n"
123 " --large-alignment\t\tDon't warn about large alignments\n"
124 " --listing name\t\tCreate a listing file if assembly was ok\n"
125 " --list-bytes n\t\tMaximum number of bytes per listing line\n"
126 " --memory-model model\t\tSet the memory model\n"
127 " --pagelength n\t\tSet the page length for the listing\n"
128 " --relax-checks\t\tRelax some checks (see docs)\n"
129 " --smart\t\t\tEnable smart mode\n"
130 " --target sys\t\t\tSet the target system\n"
131 " --verbose\t\t\tIncrease verbosity\n"
132 " --version\t\t\tPrint the assembler version\n",
133 ProgName);
134}
135
136
137
138static void SetOptions (void)
139/* Set the option for the translator */
140{
141 StrBuf Buf = STATIC_STRBUF_INITIALIZER;
142
143 /* Set the translator */
144 SB_Printf (&Buf, "ca65 V%s", GetVersionAsString ());
145 OptTranslator (&Buf);
146
147 /* Set date and time */
148 OptDateTime ((unsigned long) time(0));
149
150 /* Release memory for the string */
151 SB_Done (&Buf);
152}
153
154
155
156static void NewSymbol (const char* SymName, long Val)
157/* Define a symbol with a fixed numeric value in the current scope */
158{
159 ExprNode* Expr;
160 SymEntry* Sym;
161
162 /* Convert the name to a string buffer */
163 StrBuf SymBuf = STATIC_STRBUF_INITIALIZER;
164 SB_CopyStr (&SymBuf, SymName);
165
166 /* Search for the symbol, allocate a new one if it doesn't exist */
167 Sym = SymFind (CurrentScope, &SymBuf, SYM_ALLOC_NEW);
168
169 /* Check if have already a symbol with this name */
170 if (SymIsDef (Sym)) {
171 AbEnd ("'%s' is already defined", SymName);
172 }
173
174 /* Generate an expression for the symbol */
175 Expr = GenLiteralExpr (Val);
176
177 /* Mark the symbol as defined */
178 SymDef (Sym, Expr, ADDR_SIZE_DEFAULT, SF_NONE);
179
180 /* Free string buffer memory */
181 SB_Done (&SymBuf);
182}
183
184
185
186static void CBMSystem (const char* Sys)
187/* Define a CBM system */
188{
189 NewSymbol ("__CBM__", 1);
190 NewSymbol (Sys, 1);
191}
192
193
194
195static void SetSys (const char* Sys)
196/* Define a target system */
197{
198 switch (Target = FindTarget (Sys)) {
199
200 case TGT_NONE:
201 break;
202
203 case TGT_MODULE:
204 AbEnd ("Cannot use 'module' as a target for the assembler");
205 break;
206
207 case TGT_ATARI2600:
208 NewSymbol ("__ATARI2600__", 1);
209 break;
210
211 case TGT_ATARI5200:
212 NewSymbol ("__ATARI5200__", 1);
213 break;
214
215 case TGT_ATARI:
216 NewSymbol ("__ATARI__", 1);
217 break;
218
219 case TGT_ATARIXL:
220 NewSymbol ("__ATARI__", 1);
221 NewSymbol ("__ATARIXL__", 1);
222 break;
223
224 case TGT_C16:
225 CBMSystem ("__C16__");
226 break;
227
228 case TGT_C64:
229 CBMSystem ("__C64__");
230 break;
231
232 case TGT_C65:
233 CBMSystem ("__C65__");
234 break;
235
236 case TGT_VIC20:
237 CBMSystem ("__VIC20__");
238 break;
239
240 case TGT_C128:
241 CBMSystem ("__C128__");
242 break;
243
244 case TGT_PLUS4:
245 CBMSystem ("__C16__");
246 NewSymbol ("__PLUS4__", 1);
247 break;
248
249 case TGT_CBM510:
250 CBMSystem ("__CBM510__");
251 break;
252
253 case TGT_CBM610:
254 CBMSystem ("__CBM610__");
255 break;
256
257 case TGT_PET:
258 CBMSystem ("__PET__");
259 break;
260
261 case TGT_BBC:
262 NewSymbol ("__BBC__", 1);
263 break;
264
265 case TGT_APPLE2:
266 NewSymbol ("__APPLE2__", 1);
267 break;
268
269 case TGT_APPLE2ENH:
270 NewSymbol ("__APPLE2__", 1);
271 NewSymbol ("__APPLE2ENH__", 1);
272 break;
273
274 case TGT_GAMATE:
275 NewSymbol ("__GAMATE__", 1);
276 break;
277
278 case TGT_GEOS_CBM:
279 /* Do not handle as a CBM system */
280 NewSymbol ("__GEOS__", 1);
281 NewSymbol ("__GEOS_CBM__", 1);
282 break;
283
284 case TGT_CREATIVISION:
285 NewSymbol ("__CREATIVISION__", 1);
286 break;
287
288 case TGT_GEOS_APPLE:
289 NewSymbol ("__GEOS__", 1);
290 NewSymbol ("__GEOS_APPLE__", 1);
291 break;
292
293 case TGT_LUNIX:
294 NewSymbol ("__LUNIX__", 1);
295 break;
296
297 case TGT_ATMOS:
298 NewSymbol ("__ATMOS__", 1);
299 break;
300
301 case TGT_TELESTRAT:
302 NewSymbol ("__TELESTRAT__", 1);
303 break;
304
305 case TGT_NES:
306 NewSymbol ("__NES__", 1);
307 break;
308
309 case TGT_SUPERVISION:
310 NewSymbol ("__SUPERVISION__", 1);
311 break;
312
313 case TGT_LYNX:
314 NewSymbol ("__LYNX__", 1);
315 break;
316
317 case TGT_SIM6502:
318 NewSymbol ("__SIM6502__", 1);
319 break;
320
321 case TGT_SIM65C02:
322 NewSymbol ("__SIM65C02__", 1);
323 break;
324
325 case TGT_OSIC1P:
326 NewSymbol ("__OSIC1P__", 1);
327 break;
328
329 case TGT_PCENGINE:
330 NewSymbol ("__PCE__", 1);
331 break;
332
333 default:
334 AbEnd ("Invalid target name: '%s'", Sys);
335
336 }
337
338 /* Initialize the translation tables for the target system */
339 TgtTranslateInit ();
340}
341
342
343
344static void FileNameOption (const char* Opt, const char* Arg, StrBuf* Name)
345/* Handle an option that remembers a file name for later */
346{
347 /* Cannot have the option twice */
348 if (SB_NotEmpty (Name)) {
349 AbEnd ("Cannot use option '%s' twice", Opt);
350 }
351 /* Remember the file name for later */
352 SB_CopyStr (Name, Arg);
353 SB_Terminate (Name);
354}
355
356
357
358static void DefineSymbol (const char* Def)
359/* Define a symbol from the command line */
360{
361 const char* P;
362 long Val;
363 StrBuf SymName = AUTO_STRBUF_INITIALIZER;
364
365
366 /* The symbol must start with a character or underline */
367 if (!IsIdStart (Def [0])) {
368 InvDef (Def);
369 }
370 P = Def;
371
372 /* Copy the symbol, checking the rest */
373 while (IsIdChar (*P)) {
374 SB_AppendChar (&SymName, *P++);
375 }
376 SB_Terminate (&SymName);
377
378 /* Do we have a value given? */
379 if (*P != '=') {
380 if (*P != '\0') {
381 InvDef (Def);
382 }
383 Val = 0;
384 } else {
385 /* We have a value */
386 ++P;
387 if (*P == '$') {
388 ++P;
389 if (sscanf (P, "%lx", &Val) != 1) {
390 InvDef (Def);
391 }
392 } else {
393 if (sscanf (P, "%li", &Val) != 1) {
394 InvDef (Def);
395 }
396 }
397 }
398
399 /* Define the new symbol */
400 NewSymbol (SB_GetConstBuf (&SymName), Val);
401
402 /* Release string memory */
403 SB_Done (&SymName);
404}
405
406
407
408static void OptAutoImport (const char* Opt attribute ((unused)),
409 const char* Arg attribute ((unused)))
410/* Mark unresolved symbols as imported */
411{
412 AutoImport = 1;
413}
414
415
416
417static void OptBinIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
418/* Add an include search path for binaries */
419{
420 AddSearchPath (BinSearchPath, Arg);
421}
422
423
424
425static void OptCPU (const char* Opt attribute ((unused)), const char* Arg)
426/* Handle the --cpu option */
427{
428 cpu_t CPU = FindCPU (Arg);
429 if (CPU == CPU_UNKNOWN) {
430 AbEnd ("Invalid CPU: '%s'", Arg);
431 } else {
432 SetCPU (CPU);
433 }
434}
435
436
437
438static void OptCreateDep (const char* Opt, const char* Arg)
439/* Handle the --create-dep option */
440{
441 FileNameOption (Opt, Arg, &DepName);
442}
443
444
445
446static void OptCreateFullDep (const char* Opt attribute ((unused)),
447 const char* Arg)
448/* Handle the --create-full-dep option */
449{
450 FileNameOption (Opt, Arg, &FullDepName);
451}
452
453
454
455static void OptDebug (const char* Opt attribute ((unused)),
456 const char* Arg attribute ((unused)))
457/* Compiler debug mode */
458{
459 ++Debug;
460}
461
462
463
464static void OptDebugInfo (const char* Opt attribute ((unused)),
465 const char* Arg attribute ((unused)))
466/* Add debug info to the object file */
467{
468 DbgSyms = 1;
469}
470
471
472
473static void OptFeature (const char* Opt attribute ((unused)), const char* Arg)
474/* Set an emulation feature */
475{
476 /* Make a string buffer from Arg */
477 StrBuf Feature;
478
479 /* Set the feature, check for errors */
480 if (SetFeature (SB_InitFromString (&Feature, Arg)) == FEAT_UNKNOWN) {
481 AbEnd ("Illegal emulation feature: '%s'", Arg);
482 }
483}
484
485
486
487static void OptHelp (const char* Opt attribute ((unused)),
488 const char* Arg attribute ((unused)))
489/* Print usage information and exit */
490{
491 Usage ();
492 exit (EXIT_SUCCESS);
493}
494
495
496
497static void OptIgnoreCase (const char* Opt attribute ((unused)),
498 const char* Arg attribute ((unused)))
499/* Ignore case on symbols */
500{
501 IgnoreCase = 1;
502}
503
504
505
506static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
507/* Add an include search path */
508{
509 AddSearchPath (IncSearchPath, Arg);
510}
511
512
513
514static void OptLargeAlignment (const char* Opt attribute ((unused)),
515 const char* Arg attribute ((unused)))
516/* Don't warn about large alignments */
517{
518 LargeAlignment = 1;
519}
520
521
522
523static void OptListBytes (const char* Opt, const char* Arg)
524/* Set the maximum number of bytes per listing line */
525{
526 unsigned Num;
527 char Check;
528
529 /* Convert the argument to a number */
530 if (sscanf (Arg, "%u%c", &Num, &Check) != 1) {
531 InvArg (Opt, Arg);
532 }
533
534 /* Check the bounds */
535 if (Num != 0 && (Num < MIN_LIST_BYTES || Num > MAX_LIST_BYTES)) {
536 AbEnd ("Argument for option '%s' is out of range", Opt);
537 }
538
539 /* Use the value */
540 SetListBytes (Num);
541}
542
543
544
545static void OptListing (const char* Opt, const char* Arg)
546/* Create a listing file */
547{
548 /* Since the meaning of -l and --listing has changed, print an error if
549 ** the filename is empty or begins with the option char.
550 */
551 if (Arg == 0 || *Arg == '\0' || *Arg == '-') {
552 Fatal ("The meaning of '%s' has changed. It does now "
553 "expect a file name as argument.", Opt);
554 }
555
556 /* Get the file name */
557 FileNameOption (Opt, Arg, &ListingName);
558}
559
560
561
562static void OptMemoryModel (const char* Opt, const char* Arg)
563/* Set the memory model */
564{
565 mmodel_t M;
566
567 /* Check the current memory model */
568 if (MemoryModel != MMODEL_UNKNOWN) {
569 AbEnd ("Cannot use option '%s' twice", Opt);
570 }
571
572 /* Translate the memory model name and check it */
573 M = FindMemoryModel (Arg);
574 if (M == MMODEL_UNKNOWN) {
575 AbEnd ("Unknown memory model: %s", Arg);
576 } else if (M == MMODEL_HUGE) {
577 AbEnd ("Unsupported memory model: %s", Arg);
578 }
579
580 /* Set the memory model */
581 SetMemoryModel (M);
582}
583
584
585
586static void OptPageLength (const char* Opt attribute ((unused)), const char* Arg)
587/* Handle the --pagelength option */
588{
589 int Len = atoi (Arg);
590 if (Len != -1 && (Len < MIN_PAGE_LEN || Len > MAX_PAGE_LEN)) {
591 AbEnd ("Invalid page length: %d", Len);
592 }
593 PageLength = Len;
594}
595
596
597
598static void OptRelaxChecks (const char* Opt attribute ((unused)),
599 const char* Arg attribute ((unused)))
600/* Handle the --relax-checks options */
601{
602 RelaxChecks = 1;
603}
604
605
606
607static void OptSmart (const char* Opt attribute ((unused)),
608 const char* Arg attribute ((unused)))
609/* Handle the -s/--smart options */
610{
611 SmartMode = 1;
612}
613
614
615
616static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
617/* Set the target system */
618{
619 SetSys (Arg);
620}
621
622
623
624static void OptVerbose (const char* Opt attribute ((unused)),
625 const char* Arg attribute ((unused)))
626/* Increase verbosity */
627{
628 ++Verbosity;
629}
630
631
632
633static void OptVersion (const char* Opt attribute ((unused)),
634 const char* Arg attribute ((unused)))
635/* Print the assembler version */
636{
637 fprintf (stderr, "%s V%s\n", ProgName, GetVersionAsString ());
638 exit(EXIT_SUCCESS);
639}
640
641
642
643static void DoPCAssign (void)
644/* Start absolute code */
645{
646 long PC = ConstExpression ();
647 if (PC < 0 || PC > 0xFFFFFF) {
648 Error ("Range error");
649 } else {
650 EnterAbsoluteMode (PC);
651 }
652}
653
654
655
656static void OneLine (void)
657/* Assemble one line */
658{
659 Segment* Seg = 0;
660 unsigned long PC = 0;
661 SymEntry* Sym = 0;
662 Macro* Mac = 0;
663 int Instr = -1;
664
665 /* Initialize the new listing line if we are actually reading from file
666 ** and not from internally pushed input.
667 */
668 if (!HavePushedInput ()) {
669 InitListingLine ();
670 }
671
672 /* Single colon means unnamed label */
673 if (CurTok.Tok == TOK_COLON) {
674 ULabDef ();
675 NextTok ();
676 }
677
678 /* If the first token on the line is an identifier, check for a macro or
679 ** an instruction.
680 */
681 if (CurTok.Tok == TOK_IDENT) {
682 if (UbiquitousIdents) {
683 /* Macros CAN be instructions, so check for them first */
684 Mac = FindMacro (&CurTok.SVal);
685 if (Mac == 0) {
686 Instr = FindInstruction (&CurTok.SVal);
687 }
688 } else {
689 /* Macros and symbols may NOT use the names of instructions */
690 Instr = FindInstruction (&CurTok.SVal);
691 if (Instr < 0) {
692 Mac = FindMacro (&CurTok.SVal);
693 }
694 }
695 }
696
697 /* Handle an identifier. This may be a cheap local symbol, or a fully
698 ** scoped identifier which may start with a namespace token (for global
699 ** namespace)
700 */
701 if (CurTok.Tok == TOK_LOCAL_IDENT ||
702 CurTok.Tok == TOK_NAMESPACE ||
703 (CurTok.Tok == TOK_IDENT && Instr < 0 && Mac == 0)) {
704
705 /* Did we have whitespace before the ident? */
706 int HadWS = CurTok.WS;
707
708 /* Generate the symbol table entry, then skip the name */
709 Sym = ParseAnySymName (SYM_ALLOC_NEW);
710
711 /* If a colon follows, this is a label definition. If there
712 ** is no colon, it's an assignment.
713 */
714 if (CurTok.Tok == TOK_EQ || CurTok.Tok == TOK_ASSIGN) {
715
716 /* Determine the symbol flags from the assignment token */
717 unsigned Flags = (CurTok.Tok == TOK_ASSIGN)? SF_LABEL : SF_NONE;
718
719 /* Skip the '=' */
720 NextTok ();
721
722 /* Define the symbol with the expression following the '=' */
723 SymDef (Sym, Expression(), ADDR_SIZE_DEFAULT, Flags);
724
725 /* Don't allow anything after a symbol definition */
726 ConsumeSep ();
727 return;
728
729 } else if (CurTok.Tok == TOK_SET) {
730
731 ExprNode* Expr;
732
733 /* .SET defines variables (= redefinable symbols) */
734 NextTok ();
735
736 /* Read the assignment expression, which must be constant */
737 Expr = GenLiteralExpr (ConstExpression ());
738
739 /* Define the symbol with the constant expression following
740 ** the '='
741 */
742 SymDef (Sym, Expr, ADDR_SIZE_DEFAULT, SF_VAR);
743
744 /* Don't allow anything after a symbol definition */
745 ConsumeSep ();
746 return;
747
748 } else {
749
750 /* A label. Remember the current segment, so we can later
751 ** determine the size of the data stored under the label.
752 */
753 Seg = ActiveSeg;
754 PC = GetPC ();
755
756 /* Define the label */
757 SymDef (Sym, GenCurrentPC (), ADDR_SIZE_DEFAULT, SF_LABEL);
758
759 /* Skip the colon. If NoColonLabels is enabled, allow labels
760 ** without a colon if there is no whitespace before the
761 ** identifier.
762 */
763 if (CurTok.Tok != TOK_COLON) {
764 if (HadWS || !NoColonLabels) {
765 Error ("':' expected");
766 /* Try some smart error recovery */
767 if (CurTok.Tok == TOK_NAMESPACE) {
768 NextTok ();
769 }
770 }
771 } else {
772 /* Skip the colon */
773 NextTok ();
774 }
775
776 /* If we come here, a new identifier may be waiting, which may
777 ** be a macro or instruction.
778 */
779 if (CurTok.Tok == TOK_IDENT) {
780 if (UbiquitousIdents) {
781 /* Macros CAN be instructions, so check for them first */
782 Mac = FindMacro (&CurTok.SVal);
783 if (Mac == 0) {
784 Instr = FindInstruction (&CurTok.SVal);
785 }
786 } else {
787 /* Macros and symbols may NOT use the names of instructions */
788 Instr = FindInstruction (&CurTok.SVal);
789 if (Instr < 0) {
790 Mac = FindMacro (&CurTok.SVal);
791 }
792 }
793 }
794 }
795 }
796
797 /* We've handled a possible label, now handle the remainder of the line */
798 if (CurTok.Tok >= TOK_FIRSTPSEUDO && CurTok.Tok <= TOK_LASTPSEUDO) {
799 /* A control command */
800 HandlePseudo ();
801 } else if (Mac != 0) {
802 /* A macro expansion */
803 MacExpandStart (Mac);
804 } else if (Instr >= 0) {
805 /* A mnemonic - assemble one instruction */
806 HandleInstruction (Instr);
807 } else if (PCAssignment && (CurTok.Tok == TOK_STAR || CurTok.Tok == TOK_PC)) {
808 NextTok ();
809 if (CurTok.Tok != TOK_EQ) {
810 Error ("'=' expected");
811 SkipUntilSep ();
812 } else {
813 /* Skip the equal sign */
814 NextTok ();
815 /* Enter absolute mode */
816 DoPCAssign ();
817 }
818 }
819
820 /* If we have defined a label, remember its size. Sym is also set by
821 ** a symbol assignment, but in this case Done is false, so we don't
822 ** come here.
823 */
824 if (Sym) {
825 unsigned long Size;
826 if (Seg == ActiveSeg) {
827 /* Same segment */
828 Size = GetPC () - PC;
829 } else {
830 /* The line has switched the segment */
831 Size = 0;
832 }
833 DefSizeOfSymbol (Sym, Size);
834 }
835
836 /* Line separator must come here */
837 ConsumeSep ();
838}
839
840
841
842static void Assemble (void)
843/* Start the ball rolling ... */
844{
845 /* Prime the pump */
846 NextTok ();
847
848 /* Assemble lines until end of file */
849 while (CurTok.Tok != TOK_EOF) {
850 OneLine ();
851 }
852}
853
854
855
856static void CreateObjFile (void)
857/* Create the object file */
858{
859 /* Open the object, write the header */
860 ObjOpen ();
861
862 /* Write the object file options */
863 WriteOptions ();
864
865 /* Write the list of input files */
866 WriteFiles ();
867
868 /* Write the segment data to the file */
869 WriteSegments ();
870
871 /* Write the import list */
872 WriteImports ();
873
874 /* Write the export list */
875 WriteExports ();
876
877 /* Write debug symbols if requested */
878 WriteDbgSyms ();
879
880 /* Write the scopes if requested */
881 WriteScopes ();
882
883 /* Write line infos if requested */
884 WriteLineInfos ();
885
886 /* Write the string pool */
887 WriteStrPool ();
888
889 /* Write the assertions */
890 WriteAssertions ();
891
892 /* Write the spans */
893 WriteSpans ();
894
895 /* Write an updated header and close the file */
896 ObjClose ();
897}
898
899
900
901int main (int argc, char* argv [])
902/* Assembler main program */
903{
904 /* Program long options */
905 static const LongOpt OptTab[] = {
906 { "--auto-import", 0, OptAutoImport },
907 { "--bin-include-dir", 1, OptBinIncludeDir },
908 { "--cpu", 1, OptCPU },
909 { "--create-dep", 1, OptCreateDep },
910 { "--create-full-dep", 1, OptCreateFullDep },
911 { "--debug", 0, OptDebug },
912 { "--debug-info", 0, OptDebugInfo },
913 { "--feature", 1, OptFeature },
914 { "--help", 0, OptHelp },
915 { "--ignore-case", 0, OptIgnoreCase },
916 { "--include-dir", 1, OptIncludeDir },
917 { "--large-alignment", 0, OptLargeAlignment },
918 { "--list-bytes", 1, OptListBytes },
919 { "--listing", 1, OptListing },
920 { "--memory-model", 1, OptMemoryModel },
921 { "--pagelength", 1, OptPageLength },
922 { "--relax-checks", 0, OptRelaxChecks },
923 { "--smart", 0, OptSmart },
924 { "--target", 1, OptTarget },
925 { "--verbose", 0, OptVerbose },
926 { "--version", 0, OptVersion },
927 };
928
929 /* Name of the global name space */
930 static const StrBuf GlobalNameSpace = STATIC_STRBUF_INITIALIZER;
931
932 unsigned I;
933
934 /* Initialize the cmdline module */
935 InitCmdLine (&argc, &argv, "ca65");
936
937 /* Initialize the string pool */
938 InitStrPool ();
939
940 /* Initialize the include search paths */
941 InitIncludePaths ();
942
943 /* Create the predefined segments */
944 SegInit ();
945
946 /* Enter the base lexical level. We must do that here, since we may
947 ** define symbols using -D.
948 */
949 SymEnterLevel (&GlobalNameSpace, SCOPE_FILE, ADDR_SIZE_DEFAULT, 0);
950
951 /* Initialize the line infos. Must be done here, since we need line infos
952 ** for symbol definitions.
953 */
954 InitLineInfo ();
955
956 /* Check the parameters */
957 I = 1;
958 while (I < ArgCount) {
959
960 /* Get the argument */
961 const char* Arg = ArgVec [I];
962
963 /* Check for an option */
964 if (Arg[0] == '-') {
965 switch (Arg[1]) {
966
967 case '-':
968 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
969 break;
970
971 case 'd':
972 OptDebug (Arg, 0);
973 break;
974
975 case 'g':
976 OptDebugInfo (Arg, 0);
977 break;
978
979 case 'h':
980 OptHelp (Arg, 0);
981 break;
982
983 case 'i':
984 OptIgnoreCase (Arg, 0);
985 break;
986
987 case 'l':
988 OptListing (Arg, GetArg (&I, 2));
989 break;
990
991 case 'm':
992 if (Arg[2] == 'm') {
993 OptMemoryModel (Arg, GetArg (&I, 3));
994 } else {
995 UnknownOption (Arg);
996 }
997 break;
998
999 case 'o':
1000 OutFile = GetArg (&I, 2);
1001 break;
1002
1003 case 's':
1004 OptSmart (Arg, 0);
1005 break;
1006
1007 case 't':
1008 OptTarget (Arg, GetArg (&I, 2));
1009 break;
1010
1011 case 'v':
1012 OptVerbose (Arg, 0);
1013 break;
1014
1015 case 'D':
1016 DefineSymbol (GetArg (&I, 2));
1017 break;
1018
1019 case 'I':
1020 OptIncludeDir (Arg, GetArg (&I, 2));
1021 break;
1022
1023 case 'U':
1024 OptAutoImport (Arg, 0);
1025 break;
1026
1027 case 'V':
1028 OptVersion (Arg, 0);
1029 break;
1030
1031 case 'W':
1032 WarnLevel = atoi (GetArg (&I, 2));
1033 break;
1034
1035 default:
1036 UnknownOption (Arg);
1037 break;
1038
1039 }
1040 } else {
1041 /* Filename. Check if we already had one */
1042 if (InFile) {
1043 fprintf (stderr, "%s: Don't know what to do with '%s'\n",
1044 ProgName, Arg);
1045 exit (EXIT_FAILURE);
1046 } else {
1047 InFile = Arg;
1048 }
1049 }
1050
1051 /* Next argument */
1052 ++I;
1053 }
1054
1055 /* Do we have an input file? */
1056 if (InFile == 0) {
1057 fprintf (stderr, "%s: No input files\n", ProgName);
1058 exit (EXIT_FAILURE);
1059 }
1060
1061 /* Add the default include search paths. */
1062 FinishIncludePaths ();
1063
1064 /* If no CPU given, use the default CPU for the target */
1065 if (GetCPU () == CPU_UNKNOWN) {
1066 if (Target != TGT_UNKNOWN) {
1067 SetCPU (GetTargetProperties (Target)->DefaultCPU);
1068 } else {
1069 SetCPU (CPU_6502);
1070 }
1071 }
1072
1073 /* If no memory model was given, use the default */
1074 if (MemoryModel == MMODEL_UNKNOWN) {
1075 SetMemoryModel (MMODEL_NEAR);
1076 }
1077
1078 /* Set the default segment sizes according to the memory model */
1079 SetSegmentSizes ();
1080
1081 /* Initialize the scanner, open the input file */
1082 InitScanner (InFile);
1083
1084 /* Define the default options */
1085 SetOptions ();
1086
1087 /* Assemble the input */
1088 Assemble ();
1089
1090 /* If we didn't have any errors, check the pseudo insn stacks */
1091 if (ErrorCount == 0) {
1092 CheckPseudo ();
1093 }
1094
1095 /* If we didn't have any errors, check and cleanup the unnamed labels */
1096 if (ErrorCount == 0) {
1097 ULabDone ();
1098 }
1099
1100 /* If we didn't have any errors, check the symbol table */
1101 if (ErrorCount == 0) {
1102 SymCheck ();
1103 }
1104
1105 /* If we didn't have any errors, check the hll debug symbols */
1106 if (ErrorCount == 0) {
1107 DbgInfoCheck ();
1108 }
1109
1110 /* If we didn't have any errors, close the file scope lexical level */
1111 if (ErrorCount == 0) {
1112 SymLeaveLevel ();
1113 }
1114
1115 /* If we didn't have any errors, check and resolve the segment data */
1116 if (ErrorCount == 0) {
1117 SegDone ();
1118 }
1119
1120 /* If we didn't have any errors, check the assertions */
1121 if (ErrorCount == 0) {
1122 CheckAssertions ();
1123 }
1124
1125 /* Dump the data */
1126 if (Verbosity >= 2) {
1127 SymDump (stdout);
1128 SegDump ();
1129 }
1130
1131 /* If we didn't have an errors, finish off the line infos */
1132 DoneLineInfo ();
1133
1134 /* If we didn't have any errors, create the object, listing and
1135 ** dependency files
1136 */
1137 if (ErrorCount == 0) {
1138 CreateObjFile ();
1139 if (SB_GetLen (&ListingName) > 0) {
1140 CreateListing ();
1141 }
1142 CreateDependencies ();
1143 }
1144
1145 /* Close the input file */
1146 DoneScanner ();
1147
1148 /* Return an apropriate exit code */
1149 return (ErrorCount == 0)? EXIT_SUCCESS : EXIT_FAILURE;
1150}
1151