1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2002 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@cc65.org */
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. */
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: */
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 */
32 /*****************************************************************************/
67 /*****************************************************************************/
69 /*****************************************************************************/
73 static void Usage (void)
76 "Usage: %s [options] file\n"
78 " -A\t\t\tStrict ANSI mode\n"
79 " -Cl\t\t\tMake local variables static\n"
80 " -Dsym[=defn]\t\tDefine a symbol\n"
81 " -I dir\t\tSet an include directory search path\n"
82 " -O\t\t\tOptimize code\n"
83 " -Oi\t\t\tOptimize code, inline more code\n"
84 " -Or\t\t\tEnable register variables\n"
85 " -Os\t\t\tInline some known functions\n"
86 " -T\t\t\tInclude source as comment\n"
87 " -V\t\t\tPrint the compiler version number\n"
88 " -W\t\t\tSuppress warnings\n"
89 " -d\t\t\tDebug mode\n"
90 " -g\t\t\tAdd debug info to object file\n"
91 " -h\t\t\tHelp (this text)\n"
92 " -j\t\t\tDefault characters are signed\n"
93 " -o name\t\tName the output file\n"
94 " -t sys\t\tSet the target system\n"
95 " -v\t\t\tIncrease verbosity\n"
98 " --add-source\t\tInclude source as comment\n"
99 " --ansi\t\tStrict ANSI mode\n"
100 " --bss-name seg\tSet the name of the BSS segment\n"
101 " --check-stack\t\tGenerate stack overflow checks\n"
102 " --code-name seg\tSet the name of the CODE segment\n"
103 " --codesize x\t\tAccept larger code by factor x\n"
104 " --cpu type\t\tSet cpu type\n"
105 " --create-dep\t\tCreate a make dependency file\n"
106 " --data-name seg\tSet the name of the DATA segment\n"
107 " --debug\t\tDebug mode\n"
108 " --debug-info\t\tAdd debug info to object file\n"
109 " --debug-opt name\tDebug optimization steps\n"
110 " --disable-opt name\tDisable an optimization step\n"
111 " --enable-opt name\tEnable an optimization step\n"
112 " --help\t\tHelp (this text)\n"
113 " --include-dir dir\tSet an include directory search path\n"
114 " --list-opt-steps\tList all optimizer steps and exit\n"
115 " --rodata-name seg\tSet the name of the RODATA segment\n"
116 " --signed-chars\tDefault characters are signed\n"
117 " --static-locals\tMake local variables static\n"
118 " --target sys\t\tSet the target system\n"
119 " --verbose\t\tIncrease verbosity\n"
120 " --version\t\tPrint the compiler version number\n",
126 static void cbmsys (const char* sys)
127 /* Define a CBM system */
129 DefineNumericMacro ("__CBM__", 1);
130 DefineNumericMacro (sys, 1);
135 static void SetSys (const char* Sys)
136 /* Define a target system */
138 switch (Target = FindTarget (Sys)) {
144 AbEnd ("Cannot use `module' as a target for the compiler");
148 DefineNumericMacro ("__ATARI__", 1);
164 cbmsys ("__PLUS4__");
168 cbmsys ("__CBM510__");
172 cbmsys ("__CBM610__");
180 DefineNumericMacro ("__BBC__", 1);
184 DefineNumericMacro ("__APPLE2__", 1);
188 /* Do not handle as a CBM system */
189 DefineNumericMacro ("__GEOS__", 1);
193 DefineNumericMacro ("__LUNIX__", 1);
197 AbEnd ("Unknown target system type");
200 /* Initialize the translation tables for the target system */
206 static void DoCreateDep (const char* OutputName)
207 /* Create the dependency file */
209 /* Make the dependency file name from the output file name */
210 char* DepName = MakeFilename (OutputName, ".u");
213 FILE* F = fopen (DepName, "w");
215 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
218 /* Write the dependencies to the file */
219 WriteDependencies (F, OutputName);
221 /* Close the file, check for errors */
222 if (fclose (F) != 0) {
224 Fatal ("Cannot write to dependeny file (disk full?)");
233 static void DefineSym (const char* Def)
234 /* Define a symbol on the command line */
238 /* The symbol must start with a character or underline */
239 if (Def [0] != '_' && !IsAlpha (Def [0])) {
243 /* Check the symbol name */
244 while (IsAlNum (*P) || *P == '_') {
248 /* Do we have a value given? */
253 /* No value given. Define the macro with the value 1 */
254 DefineNumericMacro (Def, 1);
256 /* We have a value, P points to the '=' character. Since the argument
257 * is const, create a copy and replace the '=' in the copy by a zero
261 unsigned Len = strlen (Def)+1;
262 char* S = (char*) xmalloc (Len);
263 memcpy (S, Def, Len);
267 /* Define this as a macro */
268 DefineTextMacro (S, Q);
270 /* Release the allocated memory */
277 static void CheckSegName (const char* Seg)
278 /* Abort if the given name is not a valid segment name */
280 /* Print an error and abort if the name is not ok */
281 if (!ValidSegName (Seg)) {
282 AbEnd ("Segment name `%s' is invalid", Seg);
288 static void OptAddSource (const char* Opt attribute ((unused)),
289 const char* Arg attribute ((unused)))
290 /* Add source lines as comments in generated assembler file */
297 static void OptAnsi (const char* Opt attribute ((unused)),
298 const char* Arg attribute ((unused)))
299 /* Compile in strict ANSI mode */
306 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
307 /* Handle the --bss-name option */
309 /* Check for a valid name */
313 NewSegName (SEG_BSS, Arg);
318 static void OptCheckStack (const char* Opt attribute ((unused)),
319 const char* Arg attribute ((unused)))
320 /* Handle the --check-stack option */
327 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
328 /* Handle the --code-name option */
330 /* Check for a valid name */
334 NewSegName (SEG_CODE, Arg);
339 static void OptCodeSize (const char* Opt, const char* Arg)
340 /* Handle the --codesize option */
342 /* Numeric argument expected */
343 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
344 CodeSizeFactor < 100 ||
345 CodeSizeFactor > 1000) {
346 AbEnd ("Argument for %s is invalid", Opt);
352 static void OptCreateDep (const char* Opt attribute ((unused)),
353 const char* Arg attribute ((unused)))
354 /* Handle the --create-dep option */
361 static void OptCPU (const char* Opt, const char* Arg)
362 /* Handle the --cpu option */
364 if (strcmp (Arg, "6502") == 0) {
366 } else if (strcmp (Arg, "65C02") == 0) {
369 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
375 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
376 /* Handle the --data-name option */
378 /* Check for a valid name */
382 NewSegName (SEG_DATA, Arg);
387 static void OptDebug (const char* Opt attribute ((unused)),
388 const char* Arg attribute ((unused)))
389 /* Compiler debug mode */
396 static void OptDebugInfo (const char* Opt attribute ((unused)),
397 const char* Arg attribute ((unused)))
398 /* Add debug info to the object file */
405 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
406 /* Debug optimization steps */
412 FILE* F = fopen (Arg, "r");
414 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
417 /* Read line by line, ignore empty lines and switch optimization
420 while (fgets (Buf, sizeof (Buf), F) != 0) {
422 /* Remove trailing control chars. This will also remove the
425 unsigned Len = strlen (Buf);
426 while (Len > 0 && IsControl (Buf[Len-1])) {
431 /* Get a pointer to the buffer and remove leading white space */
433 while (IsBlank (*Line)) {
437 /* Check the first character and enable/disable the step or
445 /* Empty or comment line */
464 /* Close the file, no error check here since we were just reading and
465 * this is only a debug function.
472 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
473 /* Disable an optimization step */
480 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
481 /* Enable an optimization step */
488 static void OptHelp (const char* Opt attribute ((unused)),
489 const char* Arg attribute ((unused)))
490 /* Print usage information and exit */
498 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
499 /* Add an include search path */
501 AddIncludePath (Arg, INC_SYS | INC_USER);
506 static void OptListOptSteps (const char* Opt attribute ((unused)),
507 const char* Arg attribute ((unused)))
508 /* List all optimizer steps */
510 /* List the optimizer steps */
511 ListOptSteps (stdout);
519 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
520 /* Handle the --rodata-name option */
522 /* Check for a valid name */
526 NewSegName (SEG_RODATA, Arg);
531 static void OptSignedChars (const char* Opt attribute ((unused)),
532 const char* Arg attribute ((unused)))
533 /* Make default characters signed */
540 static void OptStaticLocals (const char* Opt attribute ((unused)),
541 const char* Arg attribute ((unused)))
542 /* Place local variables in static storage */
549 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
550 /* Set the target system */
557 static void OptVerbose (const char* Opt attribute ((unused)),
558 const char* Arg attribute ((unused)))
559 /* Increase verbosity */
566 static void OptVersion (const char* Opt attribute ((unused)),
567 const char* Arg attribute ((unused)))
568 /* Print the assembler version */
572 VER_MAJOR, VER_MINOR, VER_PATCH);
577 int main (int argc, char* argv[])
579 /* Program long options */
580 static const LongOpt OptTab[] = {
581 { "--add-source", 0, OptAddSource },
582 { "--ansi", 0, OptAnsi },
583 { "--bss-name", 1, OptBssName },
584 { "--check-stack", 0, OptCheckStack },
585 { "--code-name", 1, OptCodeName },
586 { "--codesize", 1, OptCodeSize },
587 { "--cpu", 1, OptCPU },
588 { "--create-dep", 0, OptCreateDep },
589 { "--data-name", 1, OptDataName },
590 { "--debug", 0, OptDebug },
591 { "--debug-info", 0, OptDebugInfo },
592 { "--debug-opt", 1, OptDebugOpt },
593 { "--disable-opt", 1, OptDisableOpt },
594 { "--enable-opt", 1, OptEnableOpt, },
595 { "--help", 0, OptHelp },
596 { "--include-dir", 1, OptIncludeDir },
597 { "--list-opt-steps", 0, OptListOptSteps },
598 { "--rodata-name", 1, OptRodataName },
599 { "--signed-chars", 0, OptSignedChars },
600 { "--static-locals", 0, OptStaticLocals },
601 { "--target", 1, OptTarget },
602 { "--verbose", 0, OptVerbose },
603 { "--version", 0, OptVersion },
608 /* Initialize the output file name */
609 const char* OutputFile = 0;
610 const char* InputFile = 0;
612 /* Initialize the cmdline module */
613 InitCmdLine (&argc, &argv, "cc65");
615 /* Initialize the default segment names */
618 /* Parse the command line */
620 while (I < ArgCount) {
624 /* Get the argument */
625 const char* Arg = ArgVec[I];
627 /* Check for an option */
628 if (Arg [0] == '-') {
633 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
646 OptDebugInfo (Arg, 0);
650 OptSignedChars (Arg, 0);
654 OutputFile = GetArg (&I, 2);
658 OptTarget (Arg, GetArg (&I, 2));
662 OptCreateDep (Arg, 0);
678 OptStaticLocals (Arg, 0);
688 DefineSym (GetArg (&I, 2));
692 OptIncludeDir (Arg, GetArg (&I, 2));
701 sscanf (P, "%lx", (long*) &OptDisable);
705 CodeSizeFactor = 200;
718 OptAddSource (Arg, 0);
735 fprintf (stderr, "additional file specs ignored\n");
745 /* Did we have a file spec on the command line? */
746 if (InputFile == 0) {
747 AbEnd ("No input files");
750 /* Create the output file name if it was not explicitly given */
751 if (OutputFile == 0) {
752 OutputFile = MakeFilename (InputFile, ".s");
758 /* Create the output file if we didn't had any errors */
759 if (ErrorCount == 0 || Debug) {
764 /* Optimize the output if requested */
771 F = fopen (OutputFile, "w");
773 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
776 /* Write the output to the file */
779 /* Close the file, check for errors */
780 if (fclose (F) != 0) {
782 Fatal ("Cannot write to output file (disk full?)");
785 /* Create dependencies if requested */
787 DoCreateDep (OutputFile);
792 /* Return an apropriate exit code */
793 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;