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 " -r\t\t\tEnable register variables\n"
95 " -t sys\t\tSet the target system\n"
96 " -v\t\t\tIncrease verbosity\n"
99 " --add-source\t\tInclude source as comment\n"
100 " --ansi\t\tStrict ANSI mode\n"
101 " --bss-name seg\tSet the name of the BSS segment\n"
102 " --check-stack\t\tGenerate stack overflow checks\n"
103 " --code-name seg\tSet the name of the CODE segment\n"
104 " --codesize x\t\tAccept larger code by factor x\n"
105 " --cpu type\t\tSet cpu type\n"
106 " --create-dep\t\tCreate a make dependency file\n"
107 " --data-name seg\tSet the name of the DATA segment\n"
108 " --debug\t\tDebug mode\n"
109 " --debug-info\t\tAdd debug info to object file\n"
110 " --debug-opt name\tDebug optimization steps\n"
111 " --disable-opt name\tDisable an optimization step\n"
112 " --enable-opt name\tEnable an optimization step\n"
113 " --help\t\tHelp (this text)\n"
114 " --include-dir dir\tSet an include directory search path\n"
115 " --list-opt-steps\tList all optimizer steps and exit\n"
116 " --register-vars\tEnable register variables\n"
117 " --rodata-name seg\tSet the name of the RODATA segment\n"
118 " --signed-chars\tDefault characters are signed\n"
119 " --static-locals\tMake local variables static\n"
120 " --target sys\t\tSet the target system\n"
121 " --verbose\t\tIncrease verbosity\n"
122 " --version\t\tPrint the compiler version number\n",
128 static void cbmsys (const char* sys)
129 /* Define a CBM system */
131 DefineNumericMacro ("__CBM__", 1);
132 DefineNumericMacro (sys, 1);
137 static void SetSys (const char* Sys)
138 /* Define a target system */
140 switch (Target = FindTarget (Sys)) {
146 AbEnd ("Cannot use `module' as a target for the compiler");
150 DefineNumericMacro ("__ATARI__", 1);
162 cbmsys ("__VIC20__");
174 cbmsys ("__PLUS4__");
178 cbmsys ("__CBM510__");
182 cbmsys ("__CBM610__");
190 DefineNumericMacro ("__BBC__", 1);
194 DefineNumericMacro ("__APPLE2__", 1);
198 /* Do not handle as a CBM system */
199 DefineNumericMacro ("__GEOS__", 1);
203 DefineNumericMacro ("__LUNIX__", 1);
207 DefineNumericMacro ("__ATMOS__", 1);
211 AbEnd ("Unknown target system type");
214 /* Initialize the translation tables for the target system */
220 static void DoCreateDep (const char* OutputName)
221 /* Create the dependency file */
223 /* Make the dependency file name from the output file name */
224 char* DepName = MakeFilename (OutputName, ".u");
227 FILE* F = fopen (DepName, "w");
229 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
232 /* Write the dependencies to the file */
233 WriteDependencies (F, OutputName);
235 /* Close the file, check for errors */
236 if (fclose (F) != 0) {
238 Fatal ("Cannot write to dependeny file (disk full?)");
247 static void DefineSym (const char* Def)
248 /* Define a symbol on the command line */
252 /* The symbol must start with a character or underline */
253 if (Def [0] != '_' && !IsAlpha (Def [0])) {
257 /* Check the symbol name */
258 while (IsAlNum (*P) || *P == '_') {
262 /* Do we have a value given? */
267 /* No value given. Define the macro with the value 1 */
268 DefineNumericMacro (Def, 1);
270 /* We have a value, P points to the '=' character. Since the argument
271 * is const, create a copy and replace the '=' in the copy by a zero
275 unsigned Len = strlen (Def)+1;
276 char* S = (char*) xmalloc (Len);
277 memcpy (S, Def, Len);
281 /* Define this as a macro */
282 DefineTextMacro (S, Q);
284 /* Release the allocated memory */
291 static void CheckSegName (const char* Seg)
292 /* Abort if the given name is not a valid segment name */
294 /* Print an error and abort if the name is not ok */
295 if (!ValidSegName (Seg)) {
296 AbEnd ("Segment name `%s' is invalid", Seg);
302 static void OptAddSource (const char* Opt attribute ((unused)),
303 const char* Arg attribute ((unused)))
304 /* Add source lines as comments in generated assembler file */
311 static void OptAnsi (const char* Opt attribute ((unused)),
312 const char* Arg attribute ((unused)))
313 /* Compile in strict ANSI mode */
320 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
321 /* Handle the --bss-name option */
323 /* Check for a valid name */
327 NewSegName (SEG_BSS, Arg);
332 static void OptCheckStack (const char* Opt attribute ((unused)),
333 const char* Arg attribute ((unused)))
334 /* Handle the --check-stack option */
341 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
342 /* Handle the --code-name option */
344 /* Check for a valid name */
348 NewSegName (SEG_CODE, Arg);
353 static void OptCodeSize (const char* Opt, const char* Arg)
354 /* Handle the --codesize option */
356 /* Numeric argument expected */
357 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
358 CodeSizeFactor < 100 ||
359 CodeSizeFactor > 1000) {
360 AbEnd ("Argument for %s is invalid", Opt);
366 static void OptCreateDep (const char* Opt attribute ((unused)),
367 const char* Arg attribute ((unused)))
368 /* Handle the --create-dep option */
375 static void OptCPU (const char* Opt, const char* Arg)
376 /* Handle the --cpu option */
378 if (strcmp (Arg, "6502") == 0) {
380 } else if (strcmp (Arg, "65C02") == 0) {
383 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
389 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
390 /* Handle the --data-name option */
392 /* Check for a valid name */
396 NewSegName (SEG_DATA, Arg);
401 static void OptDebug (const char* Opt attribute ((unused)),
402 const char* Arg attribute ((unused)))
403 /* Compiler debug mode */
410 static void OptDebugInfo (const char* Opt attribute ((unused)),
411 const char* Arg attribute ((unused)))
412 /* Add debug info to the object file */
419 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
420 /* Debug optimization steps */
426 FILE* F = fopen (Arg, "r");
428 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
431 /* Read line by line, ignore empty lines and switch optimization
434 while (fgets (Buf, sizeof (Buf), F) != 0) {
436 /* Remove trailing control chars. This will also remove the
439 unsigned Len = strlen (Buf);
440 while (Len > 0 && IsControl (Buf[Len-1])) {
445 /* Get a pointer to the buffer and remove leading white space */
447 while (IsBlank (*Line)) {
451 /* Check the first character and enable/disable the step or
459 /* Empty or comment line */
478 /* Close the file, no error check here since we were just reading and
479 * this is only a debug function.
486 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
487 /* Disable an optimization step */
494 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
495 /* Enable an optimization step */
502 static void OptHelp (const char* Opt attribute ((unused)),
503 const char* Arg attribute ((unused)))
504 /* Print usage information and exit */
512 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
513 /* Add an include search path */
515 AddIncludePath (Arg, INC_SYS | INC_USER);
520 static void OptListOptSteps (const char* Opt attribute ((unused)),
521 const char* Arg attribute ((unused)))
522 /* List all optimizer steps */
524 /* List the optimizer steps */
525 ListOptSteps (stdout);
533 static void OptRegisterVars (const char* Opt attribute ((unused)),
534 const char* Arg attribute ((unused)))
535 /* Handle the --register-vars option */
542 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
543 /* Handle the --rodata-name option */
545 /* Check for a valid name */
549 NewSegName (SEG_RODATA, Arg);
554 static void OptSignedChars (const char* Opt attribute ((unused)),
555 const char* Arg attribute ((unused)))
556 /* Make default characters signed */
563 static void OptStaticLocals (const char* Opt attribute ((unused)),
564 const char* Arg attribute ((unused)))
565 /* Place local variables in static storage */
572 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
573 /* Set the target system */
580 static void OptVerbose (const char* Opt attribute ((unused)),
581 const char* Arg attribute ((unused)))
582 /* Increase verbosity */
589 static void OptVersion (const char* Opt attribute ((unused)),
590 const char* Arg attribute ((unused)))
591 /* Print the assembler version */
595 VER_MAJOR, VER_MINOR, VER_PATCH);
600 int main (int argc, char* argv[])
602 /* Program long options */
603 static const LongOpt OptTab[] = {
604 { "--add-source", 0, OptAddSource },
605 { "--ansi", 0, OptAnsi },
606 { "--bss-name", 1, OptBssName },
607 { "--check-stack", 0, OptCheckStack },
608 { "--code-name", 1, OptCodeName },
609 { "--codesize", 1, OptCodeSize },
610 { "--cpu", 1, OptCPU },
611 { "--create-dep", 0, OptCreateDep },
612 { "--data-name", 1, OptDataName },
613 { "--debug", 0, OptDebug },
614 { "--debug-info", 0, OptDebugInfo },
615 { "--debug-opt", 1, OptDebugOpt },
616 { "--disable-opt", 1, OptDisableOpt },
617 { "--enable-opt", 1, OptEnableOpt, },
618 { "--help", 0, OptHelp },
619 { "--include-dir", 1, OptIncludeDir },
620 { "--list-opt-steps", 0, OptListOptSteps },
621 { "--register-vars", 0, OptRegisterVars },
622 { "--rodata-name", 1, OptRodataName },
623 { "--signed-chars", 0, OptSignedChars },
624 { "--static-locals", 0, OptStaticLocals },
625 { "--target", 1, OptTarget },
626 { "--verbose", 0, OptVerbose },
627 { "--version", 0, OptVersion },
632 /* Initialize the output file name */
633 const char* OutputFile = 0;
634 const char* InputFile = 0;
636 /* Initialize the cmdline module */
637 InitCmdLine (&argc, &argv, "cc65");
639 /* Initialize the default segment names */
642 /* Parse the command line */
644 while (I < ArgCount) {
648 /* Get the argument */
649 const char* Arg = ArgVec[I];
651 /* Check for an option */
652 if (Arg [0] == '-') {
657 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
670 OptDebugInfo (Arg, 0);
674 OptSignedChars (Arg, 0);
678 OutputFile = GetArg (&I, 2);
682 OptRegisterVars (Arg, 0);
686 OptTarget (Arg, GetArg (&I, 2));
690 OptCreateDep (Arg, 0);
706 OptStaticLocals (Arg, 0);
716 DefineSym (GetArg (&I, 2));
720 OptIncludeDir (Arg, GetArg (&I, 2));
729 sscanf (P, "%lx", (long*) &OptDisable);
733 CodeSizeFactor = 200;
746 OptAddSource (Arg, 0);
763 fprintf (stderr, "additional file specs ignored\n");
773 /* Did we have a file spec on the command line? */
774 if (InputFile == 0) {
775 AbEnd ("No input files");
778 /* Create the output file name if it was not explicitly given */
779 if (OutputFile == 0) {
780 OutputFile = MakeFilename (InputFile, ".s");
786 /* Create the output file if we didn't had any errors */
787 if (ErrorCount == 0 || Debug) {
792 /* Optimize the output if requested */
799 F = fopen (OutputFile, "w");
801 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
804 /* Write the output to the file */
807 /* Close the file, check for errors */
808 if (fclose (F) != 0) {
810 Fatal ("Cannot write to output file (disk full?)");
813 /* Create dependencies if requested */
815 DoCreateDep (OutputFile);
820 /* Return an apropriate exit code */
821 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;