1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2012, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
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"
73 /*****************************************************************************/
75 /*****************************************************************************/
79 static void Usage (void)
80 /* Print usage information to stderr */
82 printf ("Usage: %s [options] file\n"
84 " -Cl\t\t\t\tMake local variables static\n"
85 " -Dsym[=defn]\t\t\tDefine a symbol\n"
86 " -E\t\t\t\tStop after the preprocessing stage\n"
87 " -I dir\t\t\tSet an include directory search path\n"
88 " -O\t\t\t\tOptimize code\n"
89 " -Oi\t\t\t\tOptimize code, inline more code\n"
90 " -Or\t\t\t\tEnable register variables\n"
91 " -Os\t\t\t\tInline some known functions\n"
92 " -T\t\t\t\tInclude source as comment\n"
93 " -V\t\t\t\tPrint the compiler version number\n"
94 " -W warning[,...]\t\tSuppress warnings\n"
95 " -d\t\t\t\tDebug mode\n"
96 " -g\t\t\t\tAdd debug info to object file\n"
97 " -h\t\t\t\tHelp (this text)\n"
98 " -j\t\t\t\tDefault characters are signed\n"
99 " -mm model\t\t\tSet the memory model\n"
100 " -o name\t\t\tName the output file\n"
101 " -r\t\t\t\tEnable register variables\n"
102 " -t sys\t\t\tSet the target system\n"
103 " -v\t\t\t\tIncrease verbosity\n"
106 " --add-source\t\t\tInclude source as comment\n"
107 " --bss-name seg\t\tSet the name of the BSS segment\n"
108 " --check-stack\t\t\tGenerate stack overflow checks\n"
109 " --code-name seg\t\tSet the name of the CODE segment\n"
110 " --codesize x\t\t\tAccept larger code by factor x\n"
111 " --cpu type\t\t\tSet cpu type (6502, 65c02)\n"
112 " --create-dep name\t\tCreate a make dependency file\n"
113 " --create-full-dep name\tCreate a full make dependency file\n"
114 " --data-name seg\t\tSet the name of the DATA segment\n"
115 " --debug\t\t\tDebug mode\n"
116 " --debug-info\t\t\tAdd debug info to object file\n"
117 " --debug-opt name\t\tDebug optimization steps\n"
118 " --dep-target target\t\tUse this dependency target\n"
119 " --disable-opt name\t\tDisable an optimization step\n"
120 " --enable-opt name\t\tEnable an optimization step\n"
121 " --forget-inc-paths\t\tForget include search paths\n"
122 " --help\t\t\tHelp (this text)\n"
123 " --include-dir dir\t\tSet an include directory search path\n"
124 " --list-opt-steps\t\tList all optimizer steps and exit\n"
125 " --list-warnings\t\tList available warning types for -W\n"
126 " --local-strings\t\tEmit string literals immediately\n"
127 " --memory-model model\t\tSet the memory model\n"
128 " --register-space b\t\tSet space available for register variables\n"
129 " --register-vars\t\tEnable register variables\n"
130 " --rodata-name seg\t\tSet the name of the RODATA segment\n"
131 " --signed-chars\t\tDefault characters are signed\n"
132 " --standard std\t\tLanguage standard (c89, c99, cc65)\n"
133 " --static-locals\t\tMake local variables static\n"
134 " --target sys\t\t\tSet the target system\n"
135 " --verbose\t\t\tIncrease verbosity\n"
136 " --version\t\t\tPrint the compiler version number\n"
137 " --writable-strings\t\tMake string literals writable\n",
143 static void cbmsys (const char* sys)
144 /* Define a CBM system */
146 DefineNumericMacro ("__CBM__", 1);
147 DefineNumericMacro (sys, 1);
152 static void SetSys (const char* Sys)
153 /* Define a target system */
155 switch (Target = FindTarget (Sys)) {
161 AbEnd ("Cannot use `module' as a target for the compiler");
165 DefineNumericMacro ("__ATARI__", 1);
177 cbmsys ("__VIC20__");
185 cbmsys ("__PLUS4__");
189 cbmsys ("__CBM510__");
193 cbmsys ("__CBM610__");
201 DefineNumericMacro ("__BBC__", 1);
205 DefineNumericMacro ("__APPLE2__", 1);
209 DefineNumericMacro ("__APPLE2ENH__", 1);
213 /* Do not handle as a CBM system */
214 DefineNumericMacro ("__GEOS__", 1);
215 DefineNumericMacro ("__GEOS_CBM__", 1);
219 DefineNumericMacro ("__GEOS__", 1);
220 DefineNumericMacro ("__GEOS_APPLE__", 1);
224 DefineNumericMacro ("__LUNIX__", 1);
228 DefineNumericMacro ("__ATMOS__", 1);
232 DefineNumericMacro ("__NES__", 1);
235 case TGT_SUPERVISION:
236 DefineNumericMacro ("__SUPERVISION__", 1);
240 DefineNumericMacro ("__LYNX__", 1);
244 AbEnd ("Unknown target system type %d", Target);
247 /* Initialize the translation tables for the target system */
253 static void FileNameOption (const char* Opt, const char* Arg, StrBuf* Name)
254 /* Handle an option that remembers a file name for later */
256 /* Cannot have the option twice */
257 if (SB_NotEmpty (Name)) {
258 AbEnd ("Cannot use option `%s' twice", Opt);
260 /* Remember the file name for later */
261 SB_CopyStr (Name, Arg);
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 OptBssName (const char* Opt attribute ((unused)), const char* Arg)
332 /* Handle the --bss-name option */
334 /* Check for a valid name */
338 SetSegName (SEG_BSS, Arg);
343 static void OptCheckStack (const char* Opt attribute ((unused)),
344 const char* Arg attribute ((unused)))
345 /* Handle the --check-stack option */
347 IS_Set (&CheckStack, 1);
352 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
353 /* Handle the --code-name option */
355 /* Check for a valid name */
359 SetSegName (SEG_CODE, Arg);
364 static void OptCodeSize (const char* Opt, const char* Arg)
365 /* Handle the --codesize option */
370 /* Numeric argument expected */
371 if (sscanf (Arg, "%u%c", &Factor, &BoundsCheck) != 1 ||
372 Factor < 10 || Factor > 1000) {
373 AbEnd ("Argument for %s is invalid", Opt);
375 IS_Set (&CodeSizeFactor, Factor);
380 static void OptCreateDep (const char* Opt, const char* Arg)
381 /* Handle the --create-dep option */
383 FileNameOption (Opt, Arg, &DepName);
388 static void OptCreateFullDep (const char* Opt attribute ((unused)),
390 /* Handle the --create-full-dep option */
392 FileNameOption (Opt, Arg, &FullDepName);
397 static void OptCPU (const char* Opt, const char* Arg)
398 /* Handle the --cpu option */
400 /* Find the CPU from the given name */
402 if (CPU != CPU_6502 && CPU != CPU_6502X && CPU != CPU_65SC02 &&
403 CPU != CPU_65C02 && CPU != CPU_65816 && CPU != CPU_HUC6280) {
404 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
410 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
411 /* Handle the --data-name option */
413 /* Check for a valid name */
417 SetSegName (SEG_DATA, Arg);
422 static void OptDebug (const char* Opt attribute ((unused)),
423 const char* Arg attribute ((unused)))
424 /* Compiler debug mode */
431 static void OptDebugInfo (const char* Opt attribute ((unused)),
432 const char* Arg attribute ((unused)))
433 /* Add debug info to the object file */
440 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
441 /* Debug optimization steps */
447 FILE* F = fopen (Arg, "r");
449 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
452 /* Read line by line, ignore empty lines and switch optimization
455 while (fgets (Buf, sizeof (Buf), F) != 0) {
457 /* Remove trailing control chars. This will also remove the
460 unsigned Len = strlen (Buf);
461 while (Len > 0 && IsControl (Buf[Len-1])) {
466 /* Get a pointer to the buffer and remove leading white space */
468 while (IsBlank (*Line)) {
472 /* Check the first character and enable/disable the step or
480 /* Empty or comment line */
499 /* Close the file, no error check here since we were just reading and
500 * this is only a debug function.
507 static void OptDebugOptOutput (const char* Opt attribute ((unused)),
508 const char* Arg attribute ((unused)))
509 /* Output optimization steps */
516 static void OptDepTarget (const char* Opt attribute ((unused)), const char* Arg)
517 /* Handle the --dep-target option */
519 FileNameOption (Opt, Arg, &DepTarget);
524 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
525 /* Disable an optimization step */
532 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
533 /* Enable an optimization step */
540 static void OptForgetIncPaths (const char* Opt attribute ((unused)),
541 const char* Arg attribute ((unused)))
542 /* Forget all currently defined include paths */
544 ForgetAllIncludePaths ();
549 static void OptHelp (const char* Opt attribute ((unused)),
550 const char* Arg attribute ((unused)))
551 /* Print usage information and exit */
559 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
560 /* Add an include search path */
562 AddSearchPath (SysIncSearchPath, Arg);
563 AddSearchPath (UsrIncSearchPath, Arg);
568 static void OptListOptSteps (const char* Opt attribute ((unused)),
569 const char* Arg attribute ((unused)))
570 /* List all optimizer steps */
572 /* List the optimizer steps */
573 ListOptSteps (stdout);
581 static void OptListWarnings (const char* Opt attribute ((unused)),
582 const char* Arg attribute ((unused)))
583 /* List all warning types */
585 /* List the warnings */
586 ListWarnings (stdout);
594 static void OptLocalStrings (const char* Opt attribute ((unused)),
595 const char* Arg attribute ((unused)))
596 /* Emit string literals immediately */
598 IS_Set (&LocalStrings, 1);
603 static void OptMemoryModel (const char* Opt, const char* Arg)
604 /* Set the memory model */
608 /* Check the current memory model */
609 if (MemoryModel != MMODEL_UNKNOWN) {
610 AbEnd ("Cannot use option `%s' twice", Opt);
613 /* Translate the memory model name and check it */
614 M = FindMemoryModel (Arg);
615 if (M == MMODEL_UNKNOWN) {
616 AbEnd ("Unknown memory model: %s", Arg);
617 } else if (M == MMODEL_HUGE) {
618 AbEnd ("Unsupported memory model: %s", Arg);
621 /* Set the memory model */
627 static void OptRegisterSpace (const char* Opt, const char* Arg)
628 /* Handle the --register-space option */
630 /* Numeric argument expected */
631 if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
632 AbEnd ("Argument for option %s is invalid", Opt);
638 static void OptRegisterVars (const char* Opt attribute ((unused)),
639 const char* Arg attribute ((unused)))
640 /* Handle the --register-vars option */
642 IS_Set (&EnableRegVars, 1);
647 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
648 /* Handle the --rodata-name option */
650 /* Check for a valid name */
654 SetSegName (SEG_RODATA, Arg);
659 static void OptSignedChars (const char* Opt attribute ((unused)),
660 const char* Arg attribute ((unused)))
661 /* Make default characters signed */
663 IS_Set (&SignedChars, 1);
668 static void OptStandard (const char* Opt, const char* Arg)
669 /* Handle the --standard option */
671 /* Find the standard from the given name */
672 standard_t Std = FindStandard (Arg);
673 if (Std == STD_UNKNOWN) {
674 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
675 } else if (IS_Get (&Standard) != STD_UNKNOWN) {
676 AbEnd ("Option %s given more than once", Opt);
678 IS_Set (&Standard, Std);
684 static void OptStaticLocals (const char* Opt attribute ((unused)),
685 const char* Arg attribute ((unused)))
686 /* Place local variables in static storage */
688 IS_Set (&StaticLocals, 1);
693 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
694 /* Set the target system */
701 static void OptVerbose (const char* Opt attribute ((unused)),
702 const char* Arg attribute ((unused)))
703 /* Increase verbosity */
710 static void OptVersion (const char* Opt attribute ((unused)),
711 const char* Arg attribute ((unused)))
712 /* Print the compiler version */
714 fprintf (stderr, "cc65 V%s\n", GetVersionAsString ());
720 static void OptWarning (const char* Opt attribute ((unused)), const char* Arg)
721 /* Handle the -W option */
723 StrBuf W = AUTO_STRBUF_INITIALIZER;
725 /* Arg is a list of suboptions, separated by commas */
732 /* The suboption may be prefixed with '-' or '+' */
736 } else if (*Arg == '+') {
737 /* This is the default */
741 /* Get the next suboption */
742 Pos = strchr (Arg, ',');
744 SB_CopyBuf (&W, Arg, Pos - Arg);
747 SB_CopyStr (&W, Arg);
752 /* Search for the warning */
753 S = FindWarning (SB_GetConstBuf (&W));
755 InvArg (Opt, SB_GetConstBuf (&W));
760 /* Free allocated memory */
766 static void OptWritableStrings (const char* Opt attribute ((unused)),
767 const char* Arg attribute ((unused)))
768 /* Make string literals writable */
770 IS_Set (&WritableStrings, 1);
775 int main (int argc, char* argv[])
777 /* Program long options */
778 static const LongOpt OptTab[] = {
779 { "--add-source", 0, OptAddSource },
780 { "--bss-name", 1, OptBssName },
781 { "--check-stack", 0, OptCheckStack },
782 { "--code-name", 1, OptCodeName },
783 { "--codesize", 1, OptCodeSize },
784 { "--cpu", 1, OptCPU },
785 { "--create-dep", 1, OptCreateDep },
786 { "--create-full-dep", 1, OptCreateFullDep },
787 { "--data-name", 1, OptDataName },
788 { "--debug", 0, OptDebug },
789 { "--debug-info", 0, OptDebugInfo },
790 { "--debug-opt", 1, OptDebugOpt },
791 { "--debug-opt-output", 0, OptDebugOptOutput },
792 { "--dep-target", 1, OptDepTarget },
793 { "--disable-opt", 1, OptDisableOpt },
794 { "--enable-opt", 1, OptEnableOpt },
795 { "--forget-inc-paths", 0, OptForgetIncPaths },
796 { "--help", 0, OptHelp },
797 { "--include-dir", 1, OptIncludeDir },
798 { "--list-opt-steps", 0, OptListOptSteps },
799 { "--list-warnings", 0, OptListWarnings },
800 { "--local-strings", 0, OptLocalStrings },
801 { "--memory-model", 1, OptMemoryModel },
802 { "--register-space", 1, OptRegisterSpace },
803 { "--register-vars", 0, OptRegisterVars },
804 { "--rodata-name", 1, OptRodataName },
805 { "--signed-chars", 0, OptSignedChars },
806 { "--standard", 1, OptStandard },
807 { "--static-locals", 0, OptStaticLocals },
808 { "--target", 1, OptTarget },
809 { "--verbose", 0, OptVerbose },
810 { "--version", 0, OptVersion },
811 { "--writable-strings", 0, OptWritableStrings },
816 /* Initialize the input file name */
817 const char* InputFile = 0;
819 /* Initialize the cmdline module */
820 InitCmdLine (&argc, &argv, "cc65");
822 /* Initialize the default segment names */
825 /* Initialize the include search paths */
828 /* Parse the command line */
830 while (I < ArgCount) {
834 /* Get the argument */
835 const char* Arg = ArgVec[I];
837 /* Check for an option */
843 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
856 OptDebugInfo (Arg, 0);
860 OptSignedChars (Arg, 0);
864 SetOutputName (GetArg (&I, 2));
868 OptRegisterVars (Arg, 0);
872 OptTarget (Arg, GetArg (&I, 2));
876 OptCreateDep (Arg, 0);
888 OptStaticLocals (Arg, 0);
898 DefineSym (GetArg (&I, 2));
906 OptIncludeDir (Arg, GetArg (&I, 2));
910 IS_Set (&Optimize, 1);
915 IS_Set (&CodeSizeFactor, 200);
918 IS_Set (&EnableRegVars, 1);
921 IS_Set (&InlineStdFuncs, 1);
928 OptAddSource (Arg, 0);
936 OptWarning (Arg, GetArg (&I, 2));
945 fprintf (stderr, "additional file specs ignored\n");
955 /* Did we have a file spec on the command line? */
956 if (InputFile == 0) {
957 AbEnd ("No input files");
960 /* Create the output file name if it was not explicitly given */
961 MakeDefaultOutputName (InputFile);
963 /* If no CPU given, use the default CPU for the target */
964 if (CPU == CPU_UNKNOWN) {
965 if (Target != TGT_UNKNOWN) {
966 CPU = GetTargetProperties (Target)->DefaultCPU;
972 /* If no memory model was given, use the default */
973 if (MemoryModel == MMODEL_UNKNOWN) {
974 SetMemoryModel (MMODEL_NEAR);
977 /* If no language standard was given, use the default one */
978 if (IS_Get (&Standard) == STD_UNKNOWN) {
979 IS_Set (&Standard, STD_DEFAULT);
985 /* Create the output file if we didn't had any errors */
986 if (PreprocessOnly == 0 && (ErrorCount == 0 || Debug)) {
988 /* Emit literals, externals, do cleanup and optimizations */
994 /* Write the output to the file */
996 Print (stdout, 1, "Wrote output to `%s'\n", OutputFilename);
998 /* Close the file, check for errors */
1001 /* Create dependencies if requested */
1002 CreateDependencies ();
1005 /* Return an apropriate exit code */
1006 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;