1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2009, 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"
70 #include "svnversion.h"
74 /*****************************************************************************/
76 /*****************************************************************************/
80 static void Usage (void)
81 /* Print usage information to stderr */
83 printf ("Usage: %s [options] file\n"
85 " -Cl\t\t\tMake local variables static\n"
86 " -Dsym[=defn]\t\tDefine a symbol\n"
87 " -E\t\t\tStop after the preprocessing stage\n"
88 " -I dir\t\tSet an include directory search path\n"
89 " -O\t\t\tOptimize code\n"
90 " -Oi\t\t\tOptimize code, inline more code\n"
91 " -Or\t\t\tEnable register variables\n"
92 " -Os\t\t\tInline some known functions\n"
93 " -T\t\t\tInclude source as comment\n"
94 " -V\t\t\tPrint the compiler version number\n"
95 " -W\t\t\tSuppress warnings\n"
96 " -d\t\t\tDebug mode\n"
97 " -g\t\t\tAdd debug info to object file\n"
98 " -h\t\t\tHelp (this text)\n"
99 " -j\t\t\tDefault characters are signed\n"
100 " -mm model\t\tSet the memory model\n"
101 " -o name\t\tName the output file\n"
102 " -r\t\t\tEnable register variables\n"
103 " -t sys\t\tSet the target system\n"
104 " -v\t\t\tIncrease verbosity\n"
107 " --add-source\t\tInclude source as comment\n"
108 " --bss-name seg\tSet the name of the BSS segment\n"
109 " --check-stack\t\tGenerate stack overflow checks\n"
110 " --code-name seg\tSet the name of the CODE segment\n"
111 " --codesize x\t\tAccept larger code by factor x\n"
112 " --cpu type\t\tSet cpu type (6502, 65c02)\n"
113 " --create-dep\t\tCreate a make dependency file\n"
114 " --data-name seg\tSet the name of the DATA segment\n"
115 " --debug\t\tDebug mode\n"
116 " --debug-info\t\tAdd debug info to object file\n"
117 " --debug-opt name\tDebug optimization steps\n"
118 " --disable-opt name\tDisable an optimization step\n"
119 " --enable-opt name\tEnable an optimization step\n"
120 " --forget-inc-paths\tForget include search paths\n"
121 " --help\t\tHelp (this text)\n"
122 " --include-dir dir\tSet an include directory search path\n"
123 " --list-opt-steps\tList all optimizer steps and exit\n"
124 " --memory-model model\tSet the memory model\n"
125 " --register-space b\tSet space available for register variables\n"
126 " --register-vars\tEnable register variables\n"
127 " --rodata-name seg\tSet the name of the RODATA segment\n"
128 " --signed-chars\tDefault characters are signed\n"
129 " --standard std\tLanguage standard (c89, c99, cc65)\n"
130 " --static-locals\tMake local variables static\n"
131 " --target sys\t\tSet the target system\n"
132 " --verbose\t\tIncrease verbosity\n"
133 " --version\t\tPrint the compiler version number\n"
134 " --writable-strings\tMake string literals writable\n",
140 static void cbmsys (const char* sys)
141 /* Define a CBM system */
143 DefineNumericMacro ("__CBM__", 1);
144 DefineNumericMacro (sys, 1);
149 static void SetSys (const char* Sys)
150 /* Define a target system */
152 switch (Target = FindTarget (Sys)) {
158 AbEnd ("Cannot use `module' as a target for the compiler");
162 DefineNumericMacro ("__ATARI__", 1);
174 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 DefineNumericMacro ("__LYNX__", 1);
235 AbEnd ("Unknown target system type %d", Target);
238 /* Initialize the translation tables for the target system */
244 static void DoCreateDep (const char* OutputName)
245 /* Create the dependency file */
247 /* Make the dependency file name from the output file name */
248 char* DepName = MakeFilename (OutputName, ".u");
251 FILE* F = fopen (DepName, "w");
253 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
256 /* Write the dependencies to the file */
257 WriteDependencies (F, OutputName);
259 /* Close the file, check for errors */
260 if (fclose (F) != 0) {
262 Fatal ("Cannot write to dependeny file (disk full?)");
271 static void DefineSym (const char* Def)
272 /* Define a symbol on the command line */
276 /* The symbol must start with a character or underline */
277 if (Def [0] != '_' && !IsAlpha (Def [0])) {
281 /* Check the symbol name */
282 while (IsAlNum (*P) || *P == '_') {
286 /* Do we have a value given? */
291 /* No value given. Define the macro with the value 1 */
292 DefineNumericMacro (Def, 1);
294 /* We have a value, P points to the '=' character. Since the argument
295 * is const, create a copy and replace the '=' in the copy by a zero
299 unsigned Len = strlen (Def)+1;
300 char* S = (char*) xmalloc (Len);
301 memcpy (S, Def, Len);
305 /* Define this as a macro */
306 DefineTextMacro (S, Q);
308 /* Release the allocated memory */
315 static void CheckSegName (const char* Seg)
316 /* Abort if the given name is not a valid segment name */
318 /* Print an error and abort if the name is not ok */
319 if (!ValidSegName (Seg)) {
320 AbEnd ("Segment name `%s' is invalid", Seg);
326 static void OptAddSource (const char* Opt attribute ((unused)),
327 const char* Arg attribute ((unused)))
328 /* Add source lines as comments in generated assembler file */
335 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
336 /* Handle the --bss-name option */
338 /* Check for a valid name */
342 SetSegName (SEG_BSS, Arg);
347 static void OptCheckStack (const char* Opt attribute ((unused)),
348 const char* Arg attribute ((unused)))
349 /* Handle the --check-stack option */
351 IS_Set (&CheckStack, 1);
356 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
357 /* Handle the --code-name option */
359 /* Check for a valid name */
363 SetSegName (SEG_CODE, Arg);
368 static void OptCodeSize (const char* Opt, const char* Arg)
369 /* Handle the --codesize option */
374 /* Numeric argument expected */
375 if (sscanf (Arg, "%u%c", &Factor, &BoundsCheck) != 1 ||
376 Factor < 10 || Factor > 1000) {
377 AbEnd ("Argument for %s is invalid", Opt);
379 IS_Set (&CodeSizeFactor, Factor);
384 static void OptCreateDep (const char* Opt attribute ((unused)),
385 const char* Arg attribute ((unused)))
386 /* Handle the --create-dep option */
393 static void OptCPU (const char* Opt, const char* Arg)
394 /* Handle the --cpu option */
396 /* Find the CPU from the given name */
398 if (CPU != CPU_6502 && CPU != CPU_6502X && CPU != CPU_65SC02 &&
399 CPU != CPU_65C02 && CPU != CPU_65816 && CPU != CPU_HUC6280) {
400 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
406 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
407 /* Handle the --data-name option */
409 /* Check for a valid name */
413 SetSegName (SEG_DATA, Arg);
418 static void OptDebug (const char* Opt attribute ((unused)),
419 const char* Arg attribute ((unused)))
420 /* Compiler debug mode */
427 static void OptDebugInfo (const char* Opt attribute ((unused)),
428 const char* Arg attribute ((unused)))
429 /* Add debug info to the object file */
436 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
437 /* Debug optimization steps */
443 FILE* F = fopen (Arg, "r");
445 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
448 /* Read line by line, ignore empty lines and switch optimization
451 while (fgets (Buf, sizeof (Buf), F) != 0) {
453 /* Remove trailing control chars. This will also remove the
456 unsigned Len = strlen (Buf);
457 while (Len > 0 && IsControl (Buf[Len-1])) {
462 /* Get a pointer to the buffer and remove leading white space */
464 while (IsBlank (*Line)) {
468 /* Check the first character and enable/disable the step or
476 /* Empty or comment line */
495 /* Close the file, no error check here since we were just reading and
496 * this is only a debug function.
503 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
504 /* Disable an optimization step */
511 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
512 /* Enable an optimization step */
519 static void OptForgetIncPaths (const char* Opt attribute ((unused)),
520 const char* Arg attribute ((unused)))
521 /* Forget all currently defined include paths */
523 ForgetAllIncludePaths ();
528 static void OptHelp (const char* Opt attribute ((unused)),
529 const char* Arg attribute ((unused)))
530 /* Print usage information and exit */
538 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
539 /* Add an include search path */
541 AddIncludePath (Arg, INC_SYS | INC_USER);
546 static void OptListOptSteps (const char* Opt attribute ((unused)),
547 const char* Arg attribute ((unused)))
548 /* List all optimizer steps */
550 /* List the optimizer steps */
551 ListOptSteps (stdout);
559 static void OptMemoryModel (const char* Opt, const char* Arg)
560 /* Set the memory model */
564 /* Check the current memory model */
565 if (MemoryModel != MMODEL_UNKNOWN) {
566 AbEnd ("Cannot use option `%s' twice", Opt);
569 /* Translate the memory model name and check it */
570 M = FindMemoryModel (Arg);
571 if (M == MMODEL_UNKNOWN) {
572 AbEnd ("Unknown memory model: %s", Arg);
573 } else if (M == MMODEL_HUGE) {
574 AbEnd ("Unsupported memory model: %s", Arg);
577 /* Set the memory model */
583 static void OptRegisterSpace (const char* Opt, const char* Arg)
584 /* Handle the --register-space option */
586 /* Numeric argument expected */
587 if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
588 AbEnd ("Argument for option %s is invalid", Opt);
594 static void OptRegisterVars (const char* Opt attribute ((unused)),
595 const char* Arg attribute ((unused)))
596 /* Handle the --register-vars option */
598 IS_Set (&EnableRegVars, 1);
603 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
604 /* Handle the --rodata-name option */
606 /* Check for a valid name */
610 SetSegName (SEG_RODATA, Arg);
615 static void OptSignedChars (const char* Opt attribute ((unused)),
616 const char* Arg attribute ((unused)))
617 /* Make default characters signed */
619 IS_Set (&SignedChars, 1);
624 static void OptStandard (const char* Opt, const char* Arg)
625 /* Handle the --standard option */
627 /* Find the standard from the given name */
628 standard_t Std = FindStandard (Arg);
629 if (Std == STD_UNKNOWN) {
630 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
631 } else if (IS_Get (&Standard) != STD_UNKNOWN) {
632 AbEnd ("Option %s given more than once", Opt);
634 IS_Set (&Standard, Std);
640 static void OptStaticLocals (const char* Opt attribute ((unused)),
641 const char* Arg attribute ((unused)))
642 /* Place local variables in static storage */
644 IS_Set (&StaticLocals, 1);
649 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
650 /* Set the target system */
657 static void OptVerbose (const char* Opt attribute ((unused)),
658 const char* Arg attribute ((unused)))
659 /* Increase verbosity */
666 static void OptVersion (const char* Opt attribute ((unused)),
667 const char* Arg attribute ((unused)))
668 /* Print the compiler version */
671 "cc65 V%s\nSVN version: %s\n",
672 GetVersionAsString (), SVNVersion);
678 static void OptWarning (const char* Opt attribute ((unused)), const char* Arg)
679 /* Handle the -W option */
681 StrBuf W = AUTO_STRBUF_INITIALIZER;
683 /* Arg is a list of suboptions, separated by commas */
690 /* The suboption may be prefixed with '-' or '+' */
694 } else if (*Arg == '+') {
695 /* This is the default */
699 /* Get the next suboption */
700 Pos = strchr (Arg, ',');
702 SB_CopyBuf (&W, Arg, Pos - Arg);
705 SB_CopyStr (&W, Arg);
710 /* Search for the warning */
711 S = FindWarning (SB_GetConstBuf (&W));
713 InvArg (Opt, SB_GetConstBuf (&W));
718 /* Free allocated memory */
724 static void OptWritableStrings (const char* Opt attribute ((unused)),
725 const char* Arg attribute ((unused)))
726 /* Make string literals writable */
728 IS_Set (&WritableStrings, 1);
733 int main (int argc, char* argv[])
735 /* Program long options */
736 static const LongOpt OptTab[] = {
737 { "--add-source", 0, OptAddSource },
738 { "--bss-name", 1, OptBssName },
739 { "--check-stack", 0, OptCheckStack },
740 { "--code-name", 1, OptCodeName },
741 { "--codesize", 1, OptCodeSize },
742 { "--cpu", 1, OptCPU },
743 { "--create-dep", 0, OptCreateDep },
744 { "--data-name", 1, OptDataName },
745 { "--debug", 0, OptDebug },
746 { "--debug-info", 0, OptDebugInfo },
747 { "--debug-opt", 1, OptDebugOpt },
748 { "--disable-opt", 1, OptDisableOpt },
749 { "--enable-opt", 1, OptEnableOpt },
750 { "--forget-inc-paths", 0, OptForgetIncPaths },
751 { "--help", 0, OptHelp },
752 { "--include-dir", 1, OptIncludeDir },
753 { "--list-opt-steps", 0, OptListOptSteps },
754 { "--memory-model", 1, OptMemoryModel },
755 { "--register-space", 1, OptRegisterSpace },
756 { "--register-vars", 0, OptRegisterVars },
757 { "--rodata-name", 1, OptRodataName },
758 { "--signed-chars", 0, OptSignedChars },
759 { "--standard", 1, OptStandard },
760 { "--static-locals", 0, OptStaticLocals },
761 { "--target", 1, OptTarget },
762 { "--verbose", 0, OptVerbose },
763 { "--version", 0, OptVersion },
764 { "--writable-strings", 0, OptWritableStrings },
769 /* Initialize the input file name */
770 const char* InputFile = 0;
772 /* Initialize the cmdline module */
773 InitCmdLine (&argc, &argv, "cc65");
775 /* Initialize the default segment names */
778 /* Initialize the include search paths */
781 /* Parse the command line */
783 while (I < ArgCount) {
787 /* Get the argument */
788 const char* Arg = ArgVec[I];
790 /* Check for an option */
796 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
809 OptDebugInfo (Arg, 0);
813 OptSignedChars (Arg, 0);
817 SetOutputName (GetArg (&I, 2));
821 OptRegisterVars (Arg, 0);
825 OptTarget (Arg, GetArg (&I, 2));
829 OptCreateDep (Arg, 0);
841 OptStaticLocals (Arg, 0);
851 DefineSym (GetArg (&I, 2));
859 OptIncludeDir (Arg, GetArg (&I, 2));
863 IS_Set (&Optimize, 1);
868 IS_Set (&CodeSizeFactor, 200);
871 IS_Set (&EnableRegVars, 1);
874 IS_Set (&InlineStdFuncs, 1);
881 OptAddSource (Arg, 0);
889 OptWarning (Arg, GetArg (&I, 2));
898 fprintf (stderr, "additional file specs ignored\n");
908 /* Did we have a file spec on the command line? */
909 if (InputFile == 0) {
910 AbEnd ("No input files");
913 /* Create the output file name if it was not explicitly given */
914 MakeDefaultOutputName (InputFile);
916 /* If no CPU given, use the default CPU for the target */
917 if (CPU == CPU_UNKNOWN) {
918 if (Target != TGT_UNKNOWN) {
919 CPU = DefaultCPU[Target];
925 /* If no memory model was given, use the default */
926 if (MemoryModel == MMODEL_UNKNOWN) {
927 SetMemoryModel (MMODEL_NEAR);
930 /* If no language standard was given, use the default one */
931 if (IS_Get (&Standard) == STD_UNKNOWN) {
932 IS_Set (&Standard, STD_DEFAULT);
938 /* Create the output file if we didn't had any errors */
939 if (PreprocessOnly == 0 && (ErrorCount == 0 || Debug)) {
944 /* Write the output to the file */
946 Print (stdout, 1, "Wrote output to `%s'\n", OutputFilename);
948 /* Close the file, check for errors */
951 /* Create dependencies if requested */
953 DoCreateDep (OutputFilename);
954 Print (stdout, 1, "Creating dependeny file\n");
959 /* Return an apropriate exit code */
960 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;