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 " -t sys\t\tSet the target system\n"
95 " -v\t\t\tIncrease verbosity\n"
98 " --add-source\t\tInclude source as comment\n"
99 " --ansi\t\tStrict ANSI mode\n"
100 " --bss-name seg\tSet the name of the BSS segment\n"
101 " --check-stack\t\tGenerate stack overflow checks\n"
102 " --code-name seg\tSet the name of the CODE segment\n"
103 " --codesize x\t\tAccept larger code by factor x\n"
104 " --cpu type\t\tSet cpu type\n"
105 " --create-dep\t\tCreate a make dependency file\n"
106 " --data-name seg\tSet the name of the DATA segment\n"
107 " --debug\t\tDebug mode\n"
108 " --debug-info\t\tAdd debug info to object file\n"
109 " --debug-opt name\tDebug optimization steps\n"
110 " --disable-opt name\tDisable an optimization step\n"
111 " --enable-opt name\tEnable an optimization step\n"
112 " --help\t\tHelp (this text)\n"
113 " --include-dir dir\tSet an include directory search path\n"
114 " --list-opt-steps\tList all optimizer steps and exit\n"
115 " --rodata-name seg\tSet the name of the RODATA segment\n"
116 " --signed-chars\tDefault characters are signed\n"
117 " --static-locals\tMake local variables static\n"
118 " --target sys\t\tSet the target system\n"
119 " --verbose\t\tIncrease verbosity\n"
120 " --version\t\tPrint the compiler version number\n",
126 static void cbmsys (const char* sys)
127 /* Define a CBM system */
129 DefineNumericMacro ("__CBM__", 1);
130 DefineNumericMacro (sys, 1);
135 static void SetSys (const char* Sys)
136 /* Define a target system */
138 switch (Target = FindTarget (Sys)) {
144 AbEnd ("Cannot use `module' as a target for the compiler");
148 DefineNumericMacro ("__ATARI__", 1);
164 cbmsys ("__PLUS4__");
168 cbmsys ("__CBM510__");
172 cbmsys ("__CBM610__");
180 DefineNumericMacro ("__BBC__", 1);
184 DefineNumericMacro ("__APPLE2__", 1);
188 /* Do not handle as a CBM system */
189 DefineNumericMacro ("__GEOS__", 1);
193 DefineNumericMacro ("__LUNIX__", 1);
197 DefineNumericMacro ("__ATMOS__", 1);
201 AbEnd ("Unknown target system type");
204 /* Initialize the translation tables for the target system */
210 static void DoCreateDep (const char* OutputName)
211 /* Create the dependency file */
213 /* Make the dependency file name from the output file name */
214 char* DepName = MakeFilename (OutputName, ".u");
217 FILE* F = fopen (DepName, "w");
219 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
222 /* Write the dependencies to the file */
223 WriteDependencies (F, OutputName);
225 /* Close the file, check for errors */
226 if (fclose (F) != 0) {
228 Fatal ("Cannot write to dependeny file (disk full?)");
237 static void DefineSym (const char* Def)
238 /* Define a symbol on the command line */
242 /* The symbol must start with a character or underline */
243 if (Def [0] != '_' && !IsAlpha (Def [0])) {
247 /* Check the symbol name */
248 while (IsAlNum (*P) || *P == '_') {
252 /* Do we have a value given? */
257 /* No value given. Define the macro with the value 1 */
258 DefineNumericMacro (Def, 1);
260 /* We have a value, P points to the '=' character. Since the argument
261 * is const, create a copy and replace the '=' in the copy by a zero
265 unsigned Len = strlen (Def)+1;
266 char* S = (char*) xmalloc (Len);
267 memcpy (S, Def, Len);
271 /* Define this as a macro */
272 DefineTextMacro (S, Q);
274 /* Release the allocated memory */
281 static void CheckSegName (const char* Seg)
282 /* Abort if the given name is not a valid segment name */
284 /* Print an error and abort if the name is not ok */
285 if (!ValidSegName (Seg)) {
286 AbEnd ("Segment name `%s' is invalid", Seg);
292 static void OptAddSource (const char* Opt attribute ((unused)),
293 const char* Arg attribute ((unused)))
294 /* Add source lines as comments in generated assembler file */
301 static void OptAnsi (const char* Opt attribute ((unused)),
302 const char* Arg attribute ((unused)))
303 /* Compile in strict ANSI mode */
310 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
311 /* Handle the --bss-name option */
313 /* Check for a valid name */
317 NewSegName (SEG_BSS, Arg);
322 static void OptCheckStack (const char* Opt attribute ((unused)),
323 const char* Arg attribute ((unused)))
324 /* Handle the --check-stack option */
331 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
332 /* Handle the --code-name option */
334 /* Check for a valid name */
338 NewSegName (SEG_CODE, Arg);
343 static void OptCodeSize (const char* Opt, const char* Arg)
344 /* Handle the --codesize option */
346 /* Numeric argument expected */
347 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
348 CodeSizeFactor < 100 ||
349 CodeSizeFactor > 1000) {
350 AbEnd ("Argument for %s is invalid", Opt);
356 static void OptCreateDep (const char* Opt attribute ((unused)),
357 const char* Arg attribute ((unused)))
358 /* Handle the --create-dep option */
365 static void OptCPU (const char* Opt, const char* Arg)
366 /* Handle the --cpu option */
368 if (strcmp (Arg, "6502") == 0) {
370 } else if (strcmp (Arg, "65C02") == 0) {
373 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
379 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
380 /* Handle the --data-name option */
382 /* Check for a valid name */
386 NewSegName (SEG_DATA, Arg);
391 static void OptDebug (const char* Opt attribute ((unused)),
392 const char* Arg attribute ((unused)))
393 /* Compiler debug mode */
400 static void OptDebugInfo (const char* Opt attribute ((unused)),
401 const char* Arg attribute ((unused)))
402 /* Add debug info to the object file */
409 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
410 /* Debug optimization steps */
416 FILE* F = fopen (Arg, "r");
418 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
421 /* Read line by line, ignore empty lines and switch optimization
424 while (fgets (Buf, sizeof (Buf), F) != 0) {
426 /* Remove trailing control chars. This will also remove the
429 unsigned Len = strlen (Buf);
430 while (Len > 0 && IsControl (Buf[Len-1])) {
435 /* Get a pointer to the buffer and remove leading white space */
437 while (IsBlank (*Line)) {
441 /* Check the first character and enable/disable the step or
449 /* Empty or comment line */
468 /* Close the file, no error check here since we were just reading and
469 * this is only a debug function.
476 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
477 /* Disable an optimization step */
484 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
485 /* Enable an optimization step */
492 static void OptHelp (const char* Opt attribute ((unused)),
493 const char* Arg attribute ((unused)))
494 /* Print usage information and exit */
502 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
503 /* Add an include search path */
505 AddIncludePath (Arg, INC_SYS | INC_USER);
510 static void OptListOptSteps (const char* Opt attribute ((unused)),
511 const char* Arg attribute ((unused)))
512 /* List all optimizer steps */
514 /* List the optimizer steps */
515 ListOptSteps (stdout);
523 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
524 /* Handle the --rodata-name option */
526 /* Check for a valid name */
530 NewSegName (SEG_RODATA, Arg);
535 static void OptSignedChars (const char* Opt attribute ((unused)),
536 const char* Arg attribute ((unused)))
537 /* Make default characters signed */
544 static void OptStaticLocals (const char* Opt attribute ((unused)),
545 const char* Arg attribute ((unused)))
546 /* Place local variables in static storage */
553 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
554 /* Set the target system */
561 static void OptVerbose (const char* Opt attribute ((unused)),
562 const char* Arg attribute ((unused)))
563 /* Increase verbosity */
570 static void OptVersion (const char* Opt attribute ((unused)),
571 const char* Arg attribute ((unused)))
572 /* Print the assembler version */
576 VER_MAJOR, VER_MINOR, VER_PATCH);
581 int main (int argc, char* argv[])
583 /* Program long options */
584 static const LongOpt OptTab[] = {
585 { "--add-source", 0, OptAddSource },
586 { "--ansi", 0, OptAnsi },
587 { "--bss-name", 1, OptBssName },
588 { "--check-stack", 0, OptCheckStack },
589 { "--code-name", 1, OptCodeName },
590 { "--codesize", 1, OptCodeSize },
591 { "--cpu", 1, OptCPU },
592 { "--create-dep", 0, OptCreateDep },
593 { "--data-name", 1, OptDataName },
594 { "--debug", 0, OptDebug },
595 { "--debug-info", 0, OptDebugInfo },
596 { "--debug-opt", 1, OptDebugOpt },
597 { "--disable-opt", 1, OptDisableOpt },
598 { "--enable-opt", 1, OptEnableOpt, },
599 { "--help", 0, OptHelp },
600 { "--include-dir", 1, OptIncludeDir },
601 { "--list-opt-steps", 0, OptListOptSteps },
602 { "--rodata-name", 1, OptRodataName },
603 { "--signed-chars", 0, OptSignedChars },
604 { "--static-locals", 0, OptStaticLocals },
605 { "--target", 1, OptTarget },
606 { "--verbose", 0, OptVerbose },
607 { "--version", 0, OptVersion },
612 /* Initialize the output file name */
613 const char* OutputFile = 0;
614 const char* InputFile = 0;
616 /* Initialize the cmdline module */
617 InitCmdLine (&argc, &argv, "cc65");
619 /* Initialize the default segment names */
622 /* Parse the command line */
624 while (I < ArgCount) {
628 /* Get the argument */
629 const char* Arg = ArgVec[I];
631 /* Check for an option */
632 if (Arg [0] == '-') {
637 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
650 OptDebugInfo (Arg, 0);
654 OptSignedChars (Arg, 0);
658 OutputFile = GetArg (&I, 2);
662 OptTarget (Arg, GetArg (&I, 2));
666 OptCreateDep (Arg, 0);
682 OptStaticLocals (Arg, 0);
692 DefineSym (GetArg (&I, 2));
696 OptIncludeDir (Arg, GetArg (&I, 2));
705 sscanf (P, "%lx", (long*) &OptDisable);
709 CodeSizeFactor = 200;
722 OptAddSource (Arg, 0);
739 fprintf (stderr, "additional file specs ignored\n");
749 /* Did we have a file spec on the command line? */
750 if (InputFile == 0) {
751 AbEnd ("No input files");
754 /* Create the output file name if it was not explicitly given */
755 if (OutputFile == 0) {
756 OutputFile = MakeFilename (InputFile, ".s");
762 /* Create the output file if we didn't had any errors */
763 if (ErrorCount == 0 || Debug) {
768 /* Optimize the output if requested */
775 F = fopen (OutputFile, "w");
777 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
780 /* Write the output to the file */
783 /* Close the file, check for errors */
784 if (fclose (F) != 0) {
786 Fatal ("Cannot write to output file (disk full?)");
789 /* Create dependencies if requested */
791 DoCreateDep (OutputFile);
796 /* Return an apropriate exit code */
797 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;