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 " -r\t\t\tEnable register variables\n"
95 " -t sys\t\tSet the target system\n"
96 " -v\t\t\tIncrease verbosity\n"
99 " --add-source\t\tInclude source as comment\n"
100 " --ansi\t\tStrict ANSI mode\n"
101 " --bss-name seg\tSet the name of the BSS segment\n"
102 " --check-stack\t\tGenerate stack overflow checks\n"
103 " --code-name seg\tSet the name of the CODE segment\n"
104 " --codesize x\t\tAccept larger code by factor x\n"
105 " --cpu type\t\tSet cpu type\n"
106 " --create-dep\t\tCreate a make dependency file\n"
107 " --data-name seg\tSet the name of the DATA segment\n"
108 " --debug\t\tDebug mode\n"
109 " --debug-info\t\tAdd debug info to object file\n"
110 " --debug-opt name\tDebug optimization steps\n"
111 " --disable-opt name\tDisable an optimization step\n"
112 " --enable-opt name\tEnable an optimization step\n"
113 " --help\t\tHelp (this text)\n"
114 " --include-dir dir\tSet an include directory search path\n"
115 " --list-opt-steps\tList all optimizer steps and exit\n"
116 " --register-space b\tSet space available for register variables\n"
117 " --register-vars\tEnable register variables\n"
118 " --rodata-name seg\tSet the name of the RODATA segment\n"
119 " --signed-chars\tDefault characters are signed\n"
120 " --static-locals\tMake local variables static\n"
121 " --target sys\t\tSet the target system\n"
122 " --verbose\t\tIncrease verbosity\n"
123 " --version\t\tPrint the compiler version number\n",
129 static void cbmsys (const char* sys)
130 /* Define a CBM system */
132 DefineNumericMacro ("__CBM__", 1);
133 DefineNumericMacro (sys, 1);
138 static void SetSys (const char* Sys)
139 /* Define a target system */
141 switch (Target = FindTarget (Sys)) {
147 AbEnd ("Cannot use `module' as a target for the compiler");
151 DefineNumericMacro ("__ATARI__", 1);
163 cbmsys ("__VIC20__");
175 cbmsys ("__PLUS4__");
179 cbmsys ("__CBM510__");
183 cbmsys ("__CBM610__");
191 DefineNumericMacro ("__BBC__", 1);
195 DefineNumericMacro ("__APPLE2__", 1);
199 /* Do not handle as a CBM system */
200 DefineNumericMacro ("__GEOS__", 1);
204 DefineNumericMacro ("__LUNIX__", 1);
208 DefineNumericMacro ("__ATMOS__", 1);
212 AbEnd ("Unknown target system type");
215 /* Initialize the translation tables for the target system */
221 static void DoCreateDep (const char* OutputName)
222 /* Create the dependency file */
224 /* Make the dependency file name from the output file name */
225 char* DepName = MakeFilename (OutputName, ".u");
228 FILE* F = fopen (DepName, "w");
230 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
233 /* Write the dependencies to the file */
234 WriteDependencies (F, OutputName);
236 /* Close the file, check for errors */
237 if (fclose (F) != 0) {
239 Fatal ("Cannot write to dependeny file (disk full?)");
248 static void DefineSym (const char* Def)
249 /* Define a symbol on the command line */
253 /* The symbol must start with a character or underline */
254 if (Def [0] != '_' && !IsAlpha (Def [0])) {
258 /* Check the symbol name */
259 while (IsAlNum (*P) || *P == '_') {
263 /* Do we have a value given? */
268 /* No value given. Define the macro with the value 1 */
269 DefineNumericMacro (Def, 1);
271 /* We have a value, P points to the '=' character. Since the argument
272 * is const, create a copy and replace the '=' in the copy by a zero
276 unsigned Len = strlen (Def)+1;
277 char* S = (char*) xmalloc (Len);
278 memcpy (S, Def, Len);
282 /* Define this as a macro */
283 DefineTextMacro (S, Q);
285 /* Release the allocated memory */
292 static void CheckSegName (const char* Seg)
293 /* Abort if the given name is not a valid segment name */
295 /* Print an error and abort if the name is not ok */
296 if (!ValidSegName (Seg)) {
297 AbEnd ("Segment name `%s' is invalid", Seg);
303 static void OptAddSource (const char* Opt attribute ((unused)),
304 const char* Arg attribute ((unused)))
305 /* Add source lines as comments in generated assembler file */
312 static void OptAnsi (const char* Opt attribute ((unused)),
313 const char* Arg attribute ((unused)))
314 /* Compile in strict ANSI mode */
321 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
322 /* Handle the --bss-name option */
324 /* Check for a valid name */
328 NewSegName (SEG_BSS, Arg);
333 static void OptCheckStack (const char* Opt attribute ((unused)),
334 const char* Arg attribute ((unused)))
335 /* Handle the --check-stack option */
342 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
343 /* Handle the --code-name option */
345 /* Check for a valid name */
349 NewSegName (SEG_CODE, Arg);
354 static void OptCodeSize (const char* Opt, const char* Arg)
355 /* Handle the --codesize option */
357 /* Numeric argument expected */
358 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
359 CodeSizeFactor < 100 ||
360 CodeSizeFactor > 1000) {
361 AbEnd ("Argument for %s is invalid", Opt);
367 static void OptCreateDep (const char* Opt attribute ((unused)),
368 const char* Arg attribute ((unused)))
369 /* Handle the --create-dep option */
376 static void OptCPU (const char* Opt, const char* Arg)
377 /* Handle the --cpu option */
379 if (strcmp (Arg, "6502") == 0) {
381 } else if (strcmp (Arg, "65C02") == 0) {
384 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
390 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
391 /* Handle the --data-name option */
393 /* Check for a valid name */
397 NewSegName (SEG_DATA, Arg);
402 static void OptDebug (const char* Opt attribute ((unused)),
403 const char* Arg attribute ((unused)))
404 /* Compiler debug mode */
411 static void OptDebugInfo (const char* Opt attribute ((unused)),
412 const char* Arg attribute ((unused)))
413 /* Add debug info to the object file */
420 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
421 /* Debug optimization steps */
427 FILE* F = fopen (Arg, "r");
429 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
432 /* Read line by line, ignore empty lines and switch optimization
435 while (fgets (Buf, sizeof (Buf), F) != 0) {
437 /* Remove trailing control chars. This will also remove the
440 unsigned Len = strlen (Buf);
441 while (Len > 0 && IsControl (Buf[Len-1])) {
446 /* Get a pointer to the buffer and remove leading white space */
448 while (IsBlank (*Line)) {
452 /* Check the first character and enable/disable the step or
460 /* Empty or comment line */
479 /* Close the file, no error check here since we were just reading and
480 * this is only a debug function.
487 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
488 /* Disable an optimization step */
495 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
496 /* Enable an optimization step */
503 static void OptHelp (const char* Opt attribute ((unused)),
504 const char* Arg attribute ((unused)))
505 /* Print usage information and exit */
513 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
514 /* Add an include search path */
516 AddIncludePath (Arg, INC_SYS | INC_USER);
521 static void OptListOptSteps (const char* Opt attribute ((unused)),
522 const char* Arg attribute ((unused)))
523 /* List all optimizer steps */
525 /* List the optimizer steps */
526 ListOptSteps (stdout);
534 static void OptRegisterSpace (const char* Opt, const char* Arg)
535 /* Handle the --register-space option */
537 /* Numeric argument expected */
538 if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
539 AbEnd ("Argument for option %s is invalid", Opt);
545 static void OptRegisterVars (const char* Opt attribute ((unused)),
546 const char* Arg attribute ((unused)))
547 /* Handle the --register-vars option */
554 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
555 /* Handle the --rodata-name option */
557 /* Check for a valid name */
561 NewSegName (SEG_RODATA, Arg);
566 static void OptSignedChars (const char* Opt attribute ((unused)),
567 const char* Arg attribute ((unused)))
568 /* Make default characters signed */
575 static void OptStaticLocals (const char* Opt attribute ((unused)),
576 const char* Arg attribute ((unused)))
577 /* Place local variables in static storage */
584 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
585 /* Set the target system */
592 static void OptVerbose (const char* Opt attribute ((unused)),
593 const char* Arg attribute ((unused)))
594 /* Increase verbosity */
601 static void OptVersion (const char* Opt attribute ((unused)),
602 const char* Arg attribute ((unused)))
603 /* Print the assembler version */
607 VER_MAJOR, VER_MINOR, VER_PATCH);
612 int main (int argc, char* argv[])
614 /* Program long options */
615 static const LongOpt OptTab[] = {
616 { "--add-source", 0, OptAddSource },
617 { "--ansi", 0, OptAnsi },
618 { "--bss-name", 1, OptBssName },
619 { "--check-stack", 0, OptCheckStack },
620 { "--code-name", 1, OptCodeName },
621 { "--codesize", 1, OptCodeSize },
622 { "--cpu", 1, OptCPU },
623 { "--create-dep", 0, OptCreateDep },
624 { "--data-name", 1, OptDataName },
625 { "--debug", 0, OptDebug },
626 { "--debug-info", 0, OptDebugInfo },
627 { "--debug-opt", 1, OptDebugOpt },
628 { "--disable-opt", 1, OptDisableOpt },
629 { "--enable-opt", 1, OptEnableOpt, },
630 { "--help", 0, OptHelp },
631 { "--include-dir", 1, OptIncludeDir },
632 { "--list-opt-steps", 0, OptListOptSteps },
633 { "--register-space", 1, OptRegisterSpace },
634 { "--register-vars", 0, OptRegisterVars },
635 { "--rodata-name", 1, OptRodataName },
636 { "--signed-chars", 0, OptSignedChars },
637 { "--static-locals", 0, OptStaticLocals },
638 { "--target", 1, OptTarget },
639 { "--verbose", 0, OptVerbose },
640 { "--version", 0, OptVersion },
645 /* Initialize the output file name */
646 const char* OutputFile = 0;
647 const char* InputFile = 0;
649 /* Initialize the cmdline module */
650 InitCmdLine (&argc, &argv, "cc65");
652 /* Initialize the default segment names */
655 /* Parse the command line */
657 while (I < ArgCount) {
661 /* Get the argument */
662 const char* Arg = ArgVec[I];
664 /* Check for an option */
665 if (Arg [0] == '-') {
670 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
683 OptDebugInfo (Arg, 0);
687 OptSignedChars (Arg, 0);
691 OutputFile = GetArg (&I, 2);
695 OptRegisterVars (Arg, 0);
699 OptTarget (Arg, GetArg (&I, 2));
703 OptCreateDep (Arg, 0);
719 OptStaticLocals (Arg, 0);
729 DefineSym (GetArg (&I, 2));
733 OptIncludeDir (Arg, GetArg (&I, 2));
742 sscanf (P, "%lx", (long*) &OptDisable);
746 CodeSizeFactor = 200;
759 OptAddSource (Arg, 0);
776 fprintf (stderr, "additional file specs ignored\n");
786 /* Did we have a file spec on the command line? */
787 if (InputFile == 0) {
788 AbEnd ("No input files");
791 /* Create the output file name if it was not explicitly given */
792 if (OutputFile == 0) {
793 OutputFile = MakeFilename (InputFile, ".s");
799 /* Create the output file if we didn't had any errors */
800 if (ErrorCount == 0 || Debug) {
805 /* Optimize the output if requested */
812 F = fopen (OutputFile, "w");
814 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
817 /* Write the output to the file */
820 /* Close the file, check for errors */
821 if (fclose (F) != 0) {
823 Fatal ("Cannot write to output file (disk full?)");
826 /* Create dependencies if requested */
828 DoCreateDep (OutputFile);
833 /* Return an apropriate exit code */
834 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;