1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2010, 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\t\tMake local variables static\n"
86 " -Dsym[=defn]\t\t\tDefine a symbol\n"
87 " -E\t\t\t\tStop after the preprocessing stage\n"
88 " -I dir\t\t\tSet an include directory search path\n"
89 " -O\t\t\t\tOptimize code\n"
90 " -Oi\t\t\t\tOptimize code, inline more code\n"
91 " -Or\t\t\t\tEnable register variables\n"
92 " -Os\t\t\t\tInline some known functions\n"
93 " -T\t\t\t\tInclude source as comment\n"
94 " -V\t\t\t\tPrint the compiler version number\n"
95 " -W warning[,...]\t\tSuppress warnings\n"
96 " -d\t\t\t\tDebug mode\n"
97 " -g\t\t\t\tAdd debug info to object file\n"
98 " -h\t\t\t\tHelp (this text)\n"
99 " -j\t\t\t\tDefault characters are signed\n"
100 " -mm model\t\t\tSet the memory model\n"
101 " -o name\t\t\tName the output file\n"
102 " -r\t\t\t\tEnable register variables\n"
103 " -t sys\t\t\tSet the target system\n"
104 " -v\t\t\t\tIncrease verbosity\n"
107 " --add-source\t\t\tInclude source as comment\n"
108 " --bss-name seg\t\tSet the name of the BSS segment\n"
109 " --check-stack\t\t\tGenerate stack overflow checks\n"
110 " --code-name seg\t\tSet the name of the CODE segment\n"
111 " --codesize x\t\t\tAccept larger code by factor x\n"
112 " --cpu type\t\t\tSet cpu type (6502, 65c02)\n"
113 " --create-dep name\t\tCreate a make dependency file\n"
114 " --create-full-dep name\tCreate a full make dependency file\n"
115 " --data-name seg\t\tSet the name of the DATA segment\n"
116 " --debug\t\t\tDebug mode\n"
117 " --debug-info\t\t\tAdd debug info to object file\n"
118 " --debug-opt name\t\tDebug optimization steps\n"
119 " --dep-target target\t\tUse this dependency target\n"
120 " --disable-opt name\t\tDisable an optimization step\n"
121 " --enable-opt name\t\tEnable an optimization step\n"
122 " --forget-inc-paths\t\tForget include search paths\n"
123 " --help\t\t\tHelp (this text)\n"
124 " --include-dir dir\t\tSet an include directory search path\n"
125 " --list-opt-steps\t\tList all optimizer steps and exit\n"
126 " --list-warnings\t\tList available warning types for -W\n"
127 " --local-strings\t\tEmit string literals immediately\n"
128 " --memory-model model\t\tSet the memory model\n"
129 " --register-space b\t\tSet space available for register variables\n"
130 " --register-vars\t\tEnable register variables\n"
131 " --rodata-name seg\t\tSet the name of the RODATA segment\n"
132 " --signed-chars\t\tDefault characters are signed\n"
133 " --standard std\t\tLanguage standard (c89, c99, cc65)\n"
134 " --static-locals\t\tMake local variables static\n"
135 " --target sys\t\t\tSet the target system\n"
136 " --verbose\t\t\tIncrease verbosity\n"
137 " --version\t\t\tPrint the compiler version number\n"
138 " --writable-strings\t\tMake string literals writable\n",
144 static void cbmsys (const char* sys)
145 /* Define a CBM system */
147 DefineNumericMacro ("__CBM__", 1);
148 DefineNumericMacro (sys, 1);
153 static void SetSys (const char* Sys)
154 /* Define a target system */
156 switch (Target = FindTarget (Sys)) {
162 AbEnd ("Cannot use `module' as a target for the compiler");
166 DefineNumericMacro ("__ATARI__", 1);
178 cbmsys ("__VIC20__");
186 cbmsys ("__PLUS4__");
190 cbmsys ("__CBM510__");
194 cbmsys ("__CBM610__");
202 DefineNumericMacro ("__BBC__", 1);
206 DefineNumericMacro ("__APPLE2__", 1);
210 DefineNumericMacro ("__APPLE2ENH__", 1);
214 /* Do not handle as a CBM system */
215 DefineNumericMacro ("__GEOS__", 1);
219 DefineNumericMacro ("__LUNIX__", 1);
223 DefineNumericMacro ("__ATMOS__", 1);
227 DefineNumericMacro ("__NES__", 1);
230 case TGT_SUPERVISION:
231 DefineNumericMacro ("__SUPERVISION__", 1);
235 DefineNumericMacro ("__LYNX__", 1);
239 AbEnd ("Unknown target system type %d", Target);
242 /* Initialize the translation tables for the target system */
248 static void FileNameOption (const char* Opt, const char* Arg, StrBuf* Name)
249 /* Handle an option that remembers a file name for later */
251 /* Cannot have the option twice */
252 if (SB_NotEmpty (Name)) {
253 AbEnd ("Cannot use option `%s' twice", Opt);
255 /* Remember the file name for later */
256 SB_CopyStr (Name, Arg);
262 static void DefineSym (const char* Def)
263 /* Define a symbol on the command line */
267 /* The symbol must start with a character or underline */
268 if (Def [0] != '_' && !IsAlpha (Def [0])) {
272 /* Check the symbol name */
273 while (IsAlNum (*P) || *P == '_') {
277 /* Do we have a value given? */
282 /* No value given. Define the macro with the value 1 */
283 DefineNumericMacro (Def, 1);
285 /* We have a value, P points to the '=' character. Since the argument
286 * is const, create a copy and replace the '=' in the copy by a zero
290 unsigned Len = strlen (Def)+1;
291 char* S = (char*) xmalloc (Len);
292 memcpy (S, Def, Len);
296 /* Define this as a macro */
297 DefineTextMacro (S, Q);
299 /* Release the allocated memory */
306 static void CheckSegName (const char* Seg)
307 /* Abort if the given name is not a valid segment name */
309 /* Print an error and abort if the name is not ok */
310 if (!ValidSegName (Seg)) {
311 AbEnd ("Segment name `%s' is invalid", Seg);
317 static void OptAddSource (const char* Opt attribute ((unused)),
318 const char* Arg attribute ((unused)))
319 /* Add source lines as comments in generated assembler file */
326 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
327 /* Handle the --bss-name option */
329 /* Check for a valid name */
333 SetSegName (SEG_BSS, Arg);
338 static void OptCheckStack (const char* Opt attribute ((unused)),
339 const char* Arg attribute ((unused)))
340 /* Handle the --check-stack option */
342 IS_Set (&CheckStack, 1);
347 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
348 /* Handle the --code-name option */
350 /* Check for a valid name */
354 SetSegName (SEG_CODE, Arg);
359 static void OptCodeSize (const char* Opt, const char* Arg)
360 /* Handle the --codesize option */
365 /* Numeric argument expected */
366 if (sscanf (Arg, "%u%c", &Factor, &BoundsCheck) != 1 ||
367 Factor < 10 || Factor > 1000) {
368 AbEnd ("Argument for %s is invalid", Opt);
370 IS_Set (&CodeSizeFactor, Factor);
375 static void OptCreateDep (const char* Opt, const char* Arg)
376 /* Handle the --create-dep option */
378 FileNameOption (Opt, Arg, &DepName);
383 static void OptCreateFullDep (const char* Opt attribute ((unused)),
385 /* Handle the --create-full-dep option */
387 FileNameOption (Opt, Arg, &FullDepName);
392 static void OptCPU (const char* Opt, const char* Arg)
393 /* Handle the --cpu option */
395 /* Find the CPU from the given name */
397 if (CPU != CPU_6502 && CPU != CPU_6502X && CPU != CPU_65SC02 &&
398 CPU != CPU_65C02 && CPU != CPU_65816 && CPU != CPU_HUC6280) {
399 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
405 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
406 /* Handle the --data-name option */
408 /* Check for a valid name */
412 SetSegName (SEG_DATA, Arg);
417 static void OptDebug (const char* Opt attribute ((unused)),
418 const char* Arg attribute ((unused)))
419 /* Compiler debug mode */
426 static void OptDebugInfo (const char* Opt attribute ((unused)),
427 const char* Arg attribute ((unused)))
428 /* Add debug info to the object file */
435 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
436 /* Debug optimization steps */
442 FILE* F = fopen (Arg, "r");
444 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
447 /* Read line by line, ignore empty lines and switch optimization
450 while (fgets (Buf, sizeof (Buf), F) != 0) {
452 /* Remove trailing control chars. This will also remove the
455 unsigned Len = strlen (Buf);
456 while (Len > 0 && IsControl (Buf[Len-1])) {
461 /* Get a pointer to the buffer and remove leading white space */
463 while (IsBlank (*Line)) {
467 /* Check the first character and enable/disable the step or
475 /* Empty or comment line */
494 /* Close the file, no error check here since we were just reading and
495 * this is only a debug function.
502 static void OptDepTarget (const char* Opt attribute ((unused)), const char* Arg)
503 /* Handle the --dep-target option */
505 FileNameOption (Opt, Arg, &DepTarget);
510 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
511 /* Disable an optimization step */
518 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
519 /* Enable an optimization step */
526 static void OptForgetIncPaths (const char* Opt attribute ((unused)),
527 const char* Arg attribute ((unused)))
528 /* Forget all currently defined include paths */
530 ForgetAllIncludePaths ();
535 static void OptHelp (const char* Opt attribute ((unused)),
536 const char* Arg attribute ((unused)))
537 /* Print usage information and exit */
545 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
546 /* Add an include search path */
548 AddSearchPath (SysIncSearchPath, Arg);
549 AddSearchPath (UsrIncSearchPath, Arg);
554 static void OptListOptSteps (const char* Opt attribute ((unused)),
555 const char* Arg attribute ((unused)))
556 /* List all optimizer steps */
558 /* List the optimizer steps */
559 ListOptSteps (stdout);
567 static void OptListWarnings (const char* Opt attribute ((unused)),
568 const char* Arg attribute ((unused)))
569 /* List all warning types */
571 /* List the warnings */
572 ListWarnings (stdout);
580 static void OptLocalStrings (const char* Opt attribute ((unused)),
581 const char* Arg attribute ((unused)))
582 /* Emit string literals immediately */
584 IS_Set (&LocalStrings, 1);
589 static void OptMemoryModel (const char* Opt, const char* Arg)
590 /* Set the memory model */
594 /* Check the current memory model */
595 if (MemoryModel != MMODEL_UNKNOWN) {
596 AbEnd ("Cannot use option `%s' twice", Opt);
599 /* Translate the memory model name and check it */
600 M = FindMemoryModel (Arg);
601 if (M == MMODEL_UNKNOWN) {
602 AbEnd ("Unknown memory model: %s", Arg);
603 } else if (M == MMODEL_HUGE) {
604 AbEnd ("Unsupported memory model: %s", Arg);
607 /* Set the memory model */
613 static void OptRegisterSpace (const char* Opt, const char* Arg)
614 /* Handle the --register-space option */
616 /* Numeric argument expected */
617 if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
618 AbEnd ("Argument for option %s is invalid", Opt);
624 static void OptRegisterVars (const char* Opt attribute ((unused)),
625 const char* Arg attribute ((unused)))
626 /* Handle the --register-vars option */
628 IS_Set (&EnableRegVars, 1);
633 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
634 /* Handle the --rodata-name option */
636 /* Check for a valid name */
640 SetSegName (SEG_RODATA, Arg);
645 static void OptSignedChars (const char* Opt attribute ((unused)),
646 const char* Arg attribute ((unused)))
647 /* Make default characters signed */
649 IS_Set (&SignedChars, 1);
654 static void OptStandard (const char* Opt, const char* Arg)
655 /* Handle the --standard option */
657 /* Find the standard from the given name */
658 standard_t Std = FindStandard (Arg);
659 if (Std == STD_UNKNOWN) {
660 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
661 } else if (IS_Get (&Standard) != STD_UNKNOWN) {
662 AbEnd ("Option %s given more than once", Opt);
664 IS_Set (&Standard, Std);
670 static void OptStaticLocals (const char* Opt attribute ((unused)),
671 const char* Arg attribute ((unused)))
672 /* Place local variables in static storage */
674 IS_Set (&StaticLocals, 1);
679 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
680 /* Set the target system */
687 static void OptVerbose (const char* Opt attribute ((unused)),
688 const char* Arg attribute ((unused)))
689 /* Increase verbosity */
696 static void OptVersion (const char* Opt attribute ((unused)),
697 const char* Arg attribute ((unused)))
698 /* Print the compiler version */
701 "cc65 V%s\nSVN version: %s\n",
702 GetVersionAsString (), SVNVersion);
708 static void OptWarning (const char* Opt attribute ((unused)), const char* Arg)
709 /* Handle the -W option */
711 StrBuf W = AUTO_STRBUF_INITIALIZER;
713 /* Arg is a list of suboptions, separated by commas */
720 /* The suboption may be prefixed with '-' or '+' */
724 } else if (*Arg == '+') {
725 /* This is the default */
729 /* Get the next suboption */
730 Pos = strchr (Arg, ',');
732 SB_CopyBuf (&W, Arg, Pos - Arg);
735 SB_CopyStr (&W, Arg);
740 /* Search for the warning */
741 S = FindWarning (SB_GetConstBuf (&W));
743 InvArg (Opt, SB_GetConstBuf (&W));
748 /* Free allocated memory */
754 static void OptWritableStrings (const char* Opt attribute ((unused)),
755 const char* Arg attribute ((unused)))
756 /* Make string literals writable */
758 IS_Set (&WritableStrings, 1);
763 int main (int argc, char* argv[])
765 /* Program long options */
766 static const LongOpt OptTab[] = {
767 { "--add-source", 0, OptAddSource },
768 { "--bss-name", 1, OptBssName },
769 { "--check-stack", 0, OptCheckStack },
770 { "--code-name", 1, OptCodeName },
771 { "--codesize", 1, OptCodeSize },
772 { "--cpu", 1, OptCPU },
773 { "--create-dep", 1, OptCreateDep },
774 { "--create-full-dep", 1, OptCreateFullDep },
775 { "--data-name", 1, OptDataName },
776 { "--debug", 0, OptDebug },
777 { "--debug-info", 0, OptDebugInfo },
778 { "--debug-opt", 1, OptDebugOpt },
779 { "--dep-target", 1, OptDepTarget },
780 { "--disable-opt", 1, OptDisableOpt },
781 { "--enable-opt", 1, OptEnableOpt },
782 { "--forget-inc-paths", 0, OptForgetIncPaths },
783 { "--help", 0, OptHelp },
784 { "--include-dir", 1, OptIncludeDir },
785 { "--list-opt-steps", 0, OptListOptSteps },
786 { "--list-warnings", 0, OptListWarnings },
787 { "--local-strings", 0, OptLocalStrings },
788 { "--memory-model", 1, OptMemoryModel },
789 { "--register-space", 1, OptRegisterSpace },
790 { "--register-vars", 0, OptRegisterVars },
791 { "--rodata-name", 1, OptRodataName },
792 { "--signed-chars", 0, OptSignedChars },
793 { "--standard", 1, OptStandard },
794 { "--static-locals", 0, OptStaticLocals },
795 { "--target", 1, OptTarget },
796 { "--verbose", 0, OptVerbose },
797 { "--version", 0, OptVersion },
798 { "--writable-strings", 0, OptWritableStrings },
803 /* Initialize the input file name */
804 const char* InputFile = 0;
806 /* Initialize the cmdline module */
807 InitCmdLine (&argc, &argv, "cc65");
809 /* Initialize the default segment names */
812 /* Initialize the include search paths */
815 /* Parse the command line */
817 while (I < ArgCount) {
821 /* Get the argument */
822 const char* Arg = ArgVec[I];
824 /* Check for an option */
830 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
843 OptDebugInfo (Arg, 0);
847 OptSignedChars (Arg, 0);
851 SetOutputName (GetArg (&I, 2));
855 OptRegisterVars (Arg, 0);
859 OptTarget (Arg, GetArg (&I, 2));
863 OptCreateDep (Arg, 0);
875 OptStaticLocals (Arg, 0);
885 DefineSym (GetArg (&I, 2));
893 OptIncludeDir (Arg, GetArg (&I, 2));
897 IS_Set (&Optimize, 1);
902 IS_Set (&CodeSizeFactor, 200);
905 IS_Set (&EnableRegVars, 1);
908 IS_Set (&InlineStdFuncs, 1);
915 OptAddSource (Arg, 0);
923 OptWarning (Arg, GetArg (&I, 2));
932 fprintf (stderr, "additional file specs ignored\n");
942 /* Did we have a file spec on the command line? */
943 if (InputFile == 0) {
944 AbEnd ("No input files");
947 /* Create the output file name if it was not explicitly given */
948 MakeDefaultOutputName (InputFile);
950 /* If no CPU given, use the default CPU for the target */
951 if (CPU == CPU_UNKNOWN) {
952 if (Target != TGT_UNKNOWN) {
953 CPU = DefaultCPU[Target];
959 /* If no memory model was given, use the default */
960 if (MemoryModel == MMODEL_UNKNOWN) {
961 SetMemoryModel (MMODEL_NEAR);
964 /* If no language standard was given, use the default one */
965 if (IS_Get (&Standard) == STD_UNKNOWN) {
966 IS_Set (&Standard, STD_DEFAULT);
972 /* Create the output file if we didn't had any errors */
973 if (PreprocessOnly == 0 && (ErrorCount == 0 || Debug)) {
975 /* Emit literals, externals, do cleanup and optimizations */
981 /* Write the output to the file */
983 Print (stdout, 1, "Wrote output to `%s'\n", OutputFilename);
985 /* Close the file, check for errors */
988 /* Create dependencies if requested */
989 CreateDependencies ();
992 /* Return an apropriate exit code */
993 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;