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);
156 cbmsys ("__VIC20__");
168 cbmsys ("__PLUS4__");
172 cbmsys ("__CBM510__");
176 cbmsys ("__CBM610__");
184 DefineNumericMacro ("__BBC__", 1);
188 DefineNumericMacro ("__APPLE2__", 1);
192 /* Do not handle as a CBM system */
193 DefineNumericMacro ("__GEOS__", 1);
197 DefineNumericMacro ("__LUNIX__", 1);
201 DefineNumericMacro ("__ATMOS__", 1);
205 AbEnd ("Unknown target system type");
208 /* Initialize the translation tables for the target system */
214 static void DoCreateDep (const char* OutputName)
215 /* Create the dependency file */
217 /* Make the dependency file name from the output file name */
218 char* DepName = MakeFilename (OutputName, ".u");
221 FILE* F = fopen (DepName, "w");
223 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
226 /* Write the dependencies to the file */
227 WriteDependencies (F, OutputName);
229 /* Close the file, check for errors */
230 if (fclose (F) != 0) {
232 Fatal ("Cannot write to dependeny file (disk full?)");
241 static void DefineSym (const char* Def)
242 /* Define a symbol on the command line */
246 /* The symbol must start with a character or underline */
247 if (Def [0] != '_' && !IsAlpha (Def [0])) {
251 /* Check the symbol name */
252 while (IsAlNum (*P) || *P == '_') {
256 /* Do we have a value given? */
261 /* No value given. Define the macro with the value 1 */
262 DefineNumericMacro (Def, 1);
264 /* We have a value, P points to the '=' character. Since the argument
265 * is const, create a copy and replace the '=' in the copy by a zero
269 unsigned Len = strlen (Def)+1;
270 char* S = (char*) xmalloc (Len);
271 memcpy (S, Def, Len);
275 /* Define this as a macro */
276 DefineTextMacro (S, Q);
278 /* Release the allocated memory */
285 static void CheckSegName (const char* Seg)
286 /* Abort if the given name is not a valid segment name */
288 /* Print an error and abort if the name is not ok */
289 if (!ValidSegName (Seg)) {
290 AbEnd ("Segment name `%s' is invalid", Seg);
296 static void OptAddSource (const char* Opt attribute ((unused)),
297 const char* Arg attribute ((unused)))
298 /* Add source lines as comments in generated assembler file */
305 static void OptAnsi (const char* Opt attribute ((unused)),
306 const char* Arg attribute ((unused)))
307 /* Compile in strict ANSI mode */
314 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
315 /* Handle the --bss-name option */
317 /* Check for a valid name */
321 NewSegName (SEG_BSS, Arg);
326 static void OptCheckStack (const char* Opt attribute ((unused)),
327 const char* Arg attribute ((unused)))
328 /* Handle the --check-stack option */
335 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
336 /* Handle the --code-name option */
338 /* Check for a valid name */
342 NewSegName (SEG_CODE, Arg);
347 static void OptCodeSize (const char* Opt, const char* Arg)
348 /* Handle the --codesize option */
350 /* Numeric argument expected */
351 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
352 CodeSizeFactor < 100 ||
353 CodeSizeFactor > 1000) {
354 AbEnd ("Argument for %s is invalid", Opt);
360 static void OptCreateDep (const char* Opt attribute ((unused)),
361 const char* Arg attribute ((unused)))
362 /* Handle the --create-dep option */
369 static void OptCPU (const char* Opt, const char* Arg)
370 /* Handle the --cpu option */
372 if (strcmp (Arg, "6502") == 0) {
374 } else if (strcmp (Arg, "65C02") == 0) {
377 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
383 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
384 /* Handle the --data-name option */
386 /* Check for a valid name */
390 NewSegName (SEG_DATA, Arg);
395 static void OptDebug (const char* Opt attribute ((unused)),
396 const char* Arg attribute ((unused)))
397 /* Compiler debug mode */
404 static void OptDebugInfo (const char* Opt attribute ((unused)),
405 const char* Arg attribute ((unused)))
406 /* Add debug info to the object file */
413 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
414 /* Debug optimization steps */
420 FILE* F = fopen (Arg, "r");
422 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
425 /* Read line by line, ignore empty lines and switch optimization
428 while (fgets (Buf, sizeof (Buf), F) != 0) {
430 /* Remove trailing control chars. This will also remove the
433 unsigned Len = strlen (Buf);
434 while (Len > 0 && IsControl (Buf[Len-1])) {
439 /* Get a pointer to the buffer and remove leading white space */
441 while (IsBlank (*Line)) {
445 /* Check the first character and enable/disable the step or
453 /* Empty or comment line */
472 /* Close the file, no error check here since we were just reading and
473 * this is only a debug function.
480 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
481 /* Disable an optimization step */
488 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
489 /* Enable an optimization step */
496 static void OptHelp (const char* Opt attribute ((unused)),
497 const char* Arg attribute ((unused)))
498 /* Print usage information and exit */
506 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
507 /* Add an include search path */
509 AddIncludePath (Arg, INC_SYS | INC_USER);
514 static void OptListOptSteps (const char* Opt attribute ((unused)),
515 const char* Arg attribute ((unused)))
516 /* List all optimizer steps */
518 /* List the optimizer steps */
519 ListOptSteps (stdout);
527 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
528 /* Handle the --rodata-name option */
530 /* Check for a valid name */
534 NewSegName (SEG_RODATA, Arg);
539 static void OptSignedChars (const char* Opt attribute ((unused)),
540 const char* Arg attribute ((unused)))
541 /* Make default characters signed */
548 static void OptStaticLocals (const char* Opt attribute ((unused)),
549 const char* Arg attribute ((unused)))
550 /* Place local variables in static storage */
557 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
558 /* Set the target system */
565 static void OptVerbose (const char* Opt attribute ((unused)),
566 const char* Arg attribute ((unused)))
567 /* Increase verbosity */
574 static void OptVersion (const char* Opt attribute ((unused)),
575 const char* Arg attribute ((unused)))
576 /* Print the assembler version */
580 VER_MAJOR, VER_MINOR, VER_PATCH);
585 int main (int argc, char* argv[])
587 /* Program long options */
588 static const LongOpt OptTab[] = {
589 { "--add-source", 0, OptAddSource },
590 { "--ansi", 0, OptAnsi },
591 { "--bss-name", 1, OptBssName },
592 { "--check-stack", 0, OptCheckStack },
593 { "--code-name", 1, OptCodeName },
594 { "--codesize", 1, OptCodeSize },
595 { "--cpu", 1, OptCPU },
596 { "--create-dep", 0, OptCreateDep },
597 { "--data-name", 1, OptDataName },
598 { "--debug", 0, OptDebug },
599 { "--debug-info", 0, OptDebugInfo },
600 { "--debug-opt", 1, OptDebugOpt },
601 { "--disable-opt", 1, OptDisableOpt },
602 { "--enable-opt", 1, OptEnableOpt, },
603 { "--help", 0, OptHelp },
604 { "--include-dir", 1, OptIncludeDir },
605 { "--list-opt-steps", 0, OptListOptSteps },
606 { "--rodata-name", 1, OptRodataName },
607 { "--signed-chars", 0, OptSignedChars },
608 { "--static-locals", 0, OptStaticLocals },
609 { "--target", 1, OptTarget },
610 { "--verbose", 0, OptVerbose },
611 { "--version", 0, OptVersion },
616 /* Initialize the output file name */
617 const char* OutputFile = 0;
618 const char* InputFile = 0;
620 /* Initialize the cmdline module */
621 InitCmdLine (&argc, &argv, "cc65");
623 /* Initialize the default segment names */
626 /* Parse the command line */
628 while (I < ArgCount) {
632 /* Get the argument */
633 const char* Arg = ArgVec[I];
635 /* Check for an option */
636 if (Arg [0] == '-') {
641 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
654 OptDebugInfo (Arg, 0);
658 OptSignedChars (Arg, 0);
662 OutputFile = GetArg (&I, 2);
666 OptTarget (Arg, GetArg (&I, 2));
670 OptCreateDep (Arg, 0);
686 OptStaticLocals (Arg, 0);
696 DefineSym (GetArg (&I, 2));
700 OptIncludeDir (Arg, GetArg (&I, 2));
709 sscanf (P, "%lx", (long*) &OptDisable);
713 CodeSizeFactor = 200;
726 OptAddSource (Arg, 0);
743 fprintf (stderr, "additional file specs ignored\n");
753 /* Did we have a file spec on the command line? */
754 if (InputFile == 0) {
755 AbEnd ("No input files");
758 /* Create the output file name if it was not explicitly given */
759 if (OutputFile == 0) {
760 OutputFile = MakeFilename (InputFile, ".s");
766 /* Create the output file if we didn't had any errors */
767 if (ErrorCount == 0 || Debug) {
772 /* Optimize the output if requested */
779 F = fopen (OutputFile, "w");
781 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
784 /* Write the output to the file */
787 /* Close the file, check for errors */
788 if (fclose (F) != 0) {
790 Fatal ("Cannot write to output file (disk full?)");
793 /* Create dependencies if requested */
795 DoCreateDep (OutputFile);
800 /* Return an apropriate exit code */
801 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;