1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2004 Ullrich von Bassewitz */
11 /* D-70794 Filderstadt */
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 /*****************************************************************************/
46 #include "debugflag.h"
70 /*****************************************************************************/
72 /*****************************************************************************/
76 static void Usage (void)
77 /* Print usage information to stderr */
80 "Usage: %s [options] file\n"
82 " -A\t\t\tStrict ANSI mode\n"
83 " -Cl\t\t\tMake local variables static\n"
84 " -Dsym[=defn]\t\tDefine a symbol\n"
85 " -I dir\t\tSet an include directory search path\n"
86 " -O\t\t\tOptimize code\n"
87 " -Oi\t\t\tOptimize code, inline more code\n"
88 " -Or\t\t\tEnable register variables\n"
89 " -Os\t\t\tInline some known functions\n"
90 " -T\t\t\tInclude source as comment\n"
91 " -V\t\t\tPrint the compiler version number\n"
92 " -W\t\t\tSuppress warnings\n"
93 " -d\t\t\tDebug mode\n"
94 " -g\t\t\tAdd debug info to object file\n"
95 " -h\t\t\tHelp (this text)\n"
96 " -j\t\t\tDefault characters are signed\n"
97 " -mm model\t\tSet the memory model\n"
98 " -o name\t\tName the output file\n"
99 " -r\t\t\tEnable register variables\n"
100 " -t sys\t\tSet the target system\n"
101 " -v\t\t\tIncrease verbosity\n"
104 " --add-source\t\tInclude source as comment\n"
105 " --ansi\t\tStrict ANSI mode\n"
106 " --bss-name seg\tSet the name of the BSS segment\n"
107 " --check-stack\t\tGenerate stack overflow checks\n"
108 " --code-name seg\tSet the name of the CODE segment\n"
109 " --codesize x\t\tAccept larger code by factor x\n"
110 " --cpu type\t\tSet cpu type (6502, 65c02)\n"
111 " --create-dep\t\tCreate a make dependency file\n"
112 " --data-name seg\tSet the name of the DATA segment\n"
113 " --debug\t\tDebug mode\n"
114 " --debug-info\t\tAdd debug info to object file\n"
115 " --debug-opt name\tDebug optimization steps\n"
116 " --disable-opt name\tDisable an optimization step\n"
117 " --enable-opt name\tEnable an optimization step\n"
118 " --forget-inc-paths\tForget include search paths\n"
119 " --help\t\tHelp (this text)\n"
120 " --include-dir dir\tSet an include directory search path\n"
121 " --list-opt-steps\tList all optimizer steps and exit\n"
122 " --memory-model model\tSet the memory model\n"
123 " --register-space b\tSet space available for register variables\n"
124 " --register-vars\tEnable register variables\n"
125 " --rodata-name seg\tSet the name of the RODATA segment\n"
126 " --signed-chars\tDefault characters are signed\n"
127 " --static-locals\tMake local variables static\n"
128 " --target sys\t\tSet the target system\n"
129 " --verbose\t\tIncrease verbosity\n"
130 " --version\t\tPrint the compiler version number\n",
136 static void cbmsys (const char* sys)
137 /* Define a CBM system */
139 DefineNumericMacro ("__CBM__", 1);
140 DefineNumericMacro (sys, 1);
145 static void SetSys (const char* Sys)
146 /* Define a target system */
148 switch (Target = FindTarget (Sys)) {
154 AbEnd ("Cannot use `module' as a target for the compiler");
158 DefineNumericMacro ("__ATARI__", 1);
170 cbmsys ("__VIC20__");
182 cbmsys ("__PLUS4__");
186 cbmsys ("__CBM510__");
190 cbmsys ("__CBM610__");
198 DefineNumericMacro ("__BBC__", 1);
202 DefineNumericMacro ("__APPLE2__", 1);
206 DefineNumericMacro ("__APPLE2ENH__", 1);
210 /* Do not handle as a CBM system */
211 DefineNumericMacro ("__GEOS__", 1);
215 DefineNumericMacro ("__LUNIX__", 1);
219 DefineNumericMacro ("__ATMOS__", 1);
223 DefineNumericMacro ("__NES__", 1);
226 case TGT_SUPERVISION:
227 DefineNumericMacro ("__SUPERVISION__", 1);
231 AbEnd ("Unknown target system type %d", Target);
234 /* Initialize the translation tables for the target system */
240 static void DoCreateDep (const char* OutputName)
241 /* Create the dependency file */
243 /* Make the dependency file name from the output file name */
244 char* DepName = MakeFilename (OutputName, ".u");
247 FILE* F = fopen (DepName, "w");
249 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
252 /* Write the dependencies to the file */
253 WriteDependencies (F, OutputName);
255 /* Close the file, check for errors */
256 if (fclose (F) != 0) {
258 Fatal ("Cannot write to dependeny file (disk full?)");
267 static void DefineSym (const char* Def)
268 /* Define a symbol on the command line */
272 /* The symbol must start with a character or underline */
273 if (Def [0] != '_' && !IsAlpha (Def [0])) {
277 /* Check the symbol name */
278 while (IsAlNum (*P) || *P == '_') {
282 /* Do we have a value given? */
287 /* No value given. Define the macro with the value 1 */
288 DefineNumericMacro (Def, 1);
290 /* We have a value, P points to the '=' character. Since the argument
291 * is const, create a copy and replace the '=' in the copy by a zero
295 unsigned Len = strlen (Def)+1;
296 char* S = (char*) xmalloc (Len);
297 memcpy (S, Def, Len);
301 /* Define this as a macro */
302 DefineTextMacro (S, Q);
304 /* Release the allocated memory */
311 static void CheckSegName (const char* Seg)
312 /* Abort if the given name is not a valid segment name */
314 /* Print an error and abort if the name is not ok */
315 if (!ValidSegName (Seg)) {
316 AbEnd ("Segment name `%s' is invalid", Seg);
322 static void OptAddSource (const char* Opt attribute ((unused)),
323 const char* Arg attribute ((unused)))
324 /* Add source lines as comments in generated assembler file */
331 static void OptAnsi (const char* Opt attribute ((unused)),
332 const char* Arg attribute ((unused)))
333 /* Compile in strict ANSI mode */
340 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
341 /* Handle the --bss-name option */
343 /* Check for a valid name */
347 SetSegName (SEG_BSS, Arg);
352 static void OptCheckStack (const char* Opt attribute ((unused)),
353 const char* Arg attribute ((unused)))
354 /* Handle the --check-stack option */
356 IS_Set (&CheckStack, 1);
361 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
362 /* Handle the --code-name option */
364 /* Check for a valid name */
368 SetSegName (SEG_CODE, Arg);
373 static void OptCodeSize (const char* Opt, const char* Arg)
374 /* Handle the --codesize option */
376 /* Numeric argument expected */
377 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
378 CodeSizeFactor < 100 ||
379 CodeSizeFactor > 1000) {
380 AbEnd ("Argument for %s is invalid", Opt);
386 static void OptCreateDep (const char* Opt attribute ((unused)),
387 const char* Arg attribute ((unused)))
388 /* Handle the --create-dep option */
395 static void OptCPU (const char* Opt, const char* Arg)
396 /* Handle the --cpu option */
398 /* Find the CPU from the given name */
400 if (CPU != CPU_6502 && CPU != CPU_65SC02 &&
401 CPU != CPU_65C02 && CPU != CPU_65816) {
402 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
408 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
409 /* Handle the --data-name option */
411 /* Check for a valid name */
415 SetSegName (SEG_DATA, Arg);
420 static void OptDebug (const char* Opt attribute ((unused)),
421 const char* Arg attribute ((unused)))
422 /* Compiler debug mode */
429 static void OptDebugInfo (const char* Opt attribute ((unused)),
430 const char* Arg attribute ((unused)))
431 /* Add debug info to the object file */
438 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
439 /* Debug optimization steps */
445 FILE* F = fopen (Arg, "r");
447 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
450 /* Read line by line, ignore empty lines and switch optimization
453 while (fgets (Buf, sizeof (Buf), F) != 0) {
455 /* Remove trailing control chars. This will also remove the
458 unsigned Len = strlen (Buf);
459 while (Len > 0 && IsControl (Buf[Len-1])) {
464 /* Get a pointer to the buffer and remove leading white space */
466 while (IsBlank (*Line)) {
470 /* Check the first character and enable/disable the step or
478 /* Empty or comment line */
497 /* Close the file, no error check here since we were just reading and
498 * this is only a debug function.
505 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
506 /* Disable an optimization step */
513 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
514 /* Enable an optimization step */
521 static void OptForgetIncPaths (const char* Opt attribute ((unused)),
522 const char* Arg attribute ((unused)))
523 /* Forget all currently defined include paths */
525 ForgetAllIncludePaths ();
530 static void OptHelp (const char* Opt attribute ((unused)),
531 const char* Arg attribute ((unused)))
532 /* Print usage information and exit */
540 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
541 /* Add an include search path */
543 AddIncludePath (Arg, INC_SYS | INC_USER);
548 static void OptListOptSteps (const char* Opt attribute ((unused)),
549 const char* Arg attribute ((unused)))
550 /* List all optimizer steps */
552 /* List the optimizer steps */
553 ListOptSteps (stdout);
561 static void OptMemoryModel (const char* Opt, const char* Arg)
562 /* Set the memory model */
566 /* Check the current memory model */
567 if (MemoryModel != MMODEL_UNKNOWN) {
568 AbEnd ("Cannot use option `%s' twice", Opt);
571 /* Translate the memory model name and check it */
572 M = FindMemoryModel (Arg);
573 if (M == MMODEL_UNKNOWN) {
574 AbEnd ("Unknown memory model: %s", Arg);
575 } else if (M == MMODEL_HUGE) {
576 AbEnd ("Unsupported memory model: %s", Arg);
579 /* Set the memory model */
585 static void OptRegisterSpace (const char* Opt, const char* Arg)
586 /* Handle the --register-space option */
588 /* Numeric argument expected */
589 if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
590 AbEnd ("Argument for option %s is invalid", Opt);
596 static void OptRegisterVars (const char* Opt attribute ((unused)),
597 const char* Arg attribute ((unused)))
598 /* Handle the --register-vars option */
600 IS_Set (&EnableRegVars, 1);
605 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
606 /* Handle the --rodata-name option */
608 /* Check for a valid name */
612 SetSegName (SEG_RODATA, Arg);
617 static void OptSignedChars (const char* Opt attribute ((unused)),
618 const char* Arg attribute ((unused)))
619 /* Make default characters signed */
621 IS_Set (&SignedChars, 1);
626 static void OptStaticLocals (const char* Opt attribute ((unused)),
627 const char* Arg attribute ((unused)))
628 /* Place local variables in static storage */
630 IS_Set (&StaticLocals, 1);
635 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
636 /* Set the target system */
643 static void OptVerbose (const char* Opt attribute ((unused)),
644 const char* Arg attribute ((unused)))
645 /* Increase verbosity */
652 static void OptVersion (const char* Opt attribute ((unused)),
653 const char* Arg attribute ((unused)))
654 /* Print the assembler version */
658 VER_MAJOR, VER_MINOR, VER_PATCH);
663 int main (int argc, char* argv[])
665 /* Program long options */
666 static const LongOpt OptTab[] = {
667 { "--add-source", 0, OptAddSource },
668 { "--ansi", 0, OptAnsi },
669 { "--bss-name", 1, OptBssName },
670 { "--check-stack", 0, OptCheckStack },
671 { "--code-name", 1, OptCodeName },
672 { "--codesize", 1, OptCodeSize },
673 { "--cpu", 1, OptCPU },
674 { "--create-dep", 0, OptCreateDep },
675 { "--data-name", 1, OptDataName },
676 { "--debug", 0, OptDebug },
677 { "--debug-info", 0, OptDebugInfo },
678 { "--debug-opt", 1, OptDebugOpt },
679 { "--disable-opt", 1, OptDisableOpt },
680 { "--enable-opt", 1, OptEnableOpt },
681 { "--forget-inc-paths", 0, OptForgetIncPaths },
682 { "--help", 0, OptHelp },
683 { "--include-dir", 1, OptIncludeDir },
684 { "--list-opt-steps", 0, OptListOptSteps },
685 { "--memory-model", 1, OptMemoryModel },
686 { "--register-space", 1, OptRegisterSpace },
687 { "--register-vars", 0, OptRegisterVars },
688 { "--rodata-name", 1, OptRodataName },
689 { "--signed-chars", 0, OptSignedChars },
690 { "--static-locals", 0, OptStaticLocals },
691 { "--target", 1, OptTarget },
692 { "--verbose", 0, OptVerbose },
693 { "--version", 0, OptVersion },
698 /* Initialize the output file name */
699 const char* OutputFile = 0;
700 const char* InputFile = 0;
702 /* Initialize the cmdline module */
703 InitCmdLine (&argc, &argv, "cc65");
705 /* Initialize the default segment names */
708 /* Initialize the include search paths */
711 /* Parse the command line */
713 while (I < ArgCount) {
717 /* Get the argument */
718 const char* Arg = ArgVec[I];
720 /* Check for an option */
721 if (Arg [0] == '-') {
726 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
739 OptDebugInfo (Arg, 0);
743 OptSignedChars (Arg, 0);
747 OutputFile = GetArg (&I, 2);
751 OptRegisterVars (Arg, 0);
755 OptTarget (Arg, GetArg (&I, 2));
759 OptCreateDep (Arg, 0);
775 OptStaticLocals (Arg, 0);
785 DefineSym (GetArg (&I, 2));
789 OptIncludeDir (Arg, GetArg (&I, 2));
798 sscanf (P, "%lx", (long*) &OptDisable);
802 CodeSizeFactor = 200;
805 IS_Set (&EnableRegVars, 1);
808 IS_Set (&InlineStdFuncs, 1);
815 OptAddSource (Arg, 0);
832 fprintf (stderr, "additional file specs ignored\n");
842 /* Did we have a file spec on the command line? */
843 if (InputFile == 0) {
844 AbEnd ("No input files");
847 /* Create the output file name if it was not explicitly given */
848 if (OutputFile == 0) {
849 OutputFile = MakeFilename (InputFile, ".s");
852 /* If no CPU given, use the default CPU for the target */
853 if (CPU == CPU_UNKNOWN) {
854 if (Target != TGT_UNKNOWN) {
855 CPU = DefaultCPU[Target];
861 /* If no memory model was given, use the default */
862 if (MemoryModel == MMODEL_UNKNOWN) {
863 SetMemoryModel (MMODEL_NEAR);
869 /* Create the output file if we didn't had any errors */
870 if (ErrorCount == 0 || Debug) {
873 FILE* F = fopen (OutputFile, "w");
875 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
877 Print (stdout, 1, "Opened output file `%s'\n", OutputFile);
879 /* Write the output to the file */
881 Print (stdout, 1, "Wrote output to `%s'\n", OutputFile);
883 /* Close the file, check for errors */
884 if (fclose (F) != 0) {
886 Fatal ("Cannot write to output file (disk full?)");
888 Print (stdout, 1, "Closed output file `%s'\n", OutputFile);
890 /* Create dependencies if requested */
892 DoCreateDep (OutputFile);
893 Print (stdout, 1, "Creating dependeny file");
898 /* Return an apropriate exit code */
899 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;