1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2001 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 " -d\t\t\tDebug mode\n"
79 " -g\t\t\tAdd debug info to object file\n"
80 " -h\t\t\tHelp (this text)\n"
81 " -j\t\t\tDefault characters are signed\n"
82 " -o name\t\tName the output file\n"
83 " -t sys\t\tSet the target system\n"
84 " -v\t\t\tIncrease verbosity\n"
85 " -A\t\t\tStrict ANSI mode\n"
86 " -Cl\t\t\tMake local variables static\n"
87 " -Dsym[=defn]\t\tDefine a symbol\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"
98 " --ansi\t\tStrict ANSI mode\n"
99 " --bss-name seg\tSet the name of the BSS segment\n"
100 " --check-stack\t\tGenerate stack overflow checks\n"
101 " --code-name seg\tSet the name of the CODE segment\n"
102 " --codesize x\t\tAccept larger code by factor x\n"
103 " --cpu type\t\tSet cpu type\n"
104 " --data-name seg\tSet the name of the DATA segment\n"
105 " --debug\t\tDebug mode\n"
106 " --debug-info\t\tAdd debug info to object file\n"
107 " --disable-opt name\tDisable an optimization step\n"
108 " --enable-opt name\tEnable an optimization step\n"
109 " --help\t\tHelp (this text)\n"
110 " --include-dir dir\tSet an include directory search path\n"
111 " --rodata-name seg\tSet the name of the RODATA segment\n"
112 " --signed-chars\tDefault characters are signed\n"
113 " --static-locals\tMake local variables static\n"
114 " --target sys\t\tSet the target system\n"
115 " --verbose\t\tIncrease verbosity\n"
116 " --version\t\tPrint the compiler version number\n",
122 static void cbmsys (const char* sys)
123 /* Define a CBM system */
125 AddNumericMacro ("__CBM__", 1);
126 AddNumericMacro (sys, 1);
131 static void SetSys (const char* Sys)
132 /* Define a target system */
134 switch (Target = FindTarget (Sys)) {
140 AddNumericMacro ("__ATARI__", 1);
156 cbmsys ("__PLUS4__");
160 cbmsys ("__CBM610__");
168 AddNumericMacro ("__BBC__", 1);
172 AddNumericMacro ("__APPLE2__", 1);
176 /* Do not handle as a CBM system */
177 AddNumericMacro ("__GEOS__", 1);
181 AbEnd ("Unknown target system type");
184 /* Initialize the translation tables for the target system */
190 static void DoCreateDep (const char* OutputName)
191 /* Create the dependency file */
193 /* Make the dependency file name from the output file name */
194 char* DepName = MakeFilename (OutputName, ".u");
197 FILE* F = fopen (DepName, "w");
199 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
202 /* Write the dependencies to the file */
203 WriteDependencies (F, OutputName);
205 /* Close the file, check for errors */
206 if (fclose (F) != 0) {
208 Fatal ("Cannot write to dependeny file (disk full?)");
217 static void DefineSym (const char* Def)
218 /* Define a symbol on the command line */
222 /* The symbol must start with a character or underline */
223 if (Def [0] != '_' && !IsAlpha (Def [0])) {
227 /* Check the symbol name */
228 while (IsAlNum (*P) || *P == '_') {
232 /* Do we have a value given? */
237 /* No value given. Define the macro with the value 1 */
238 AddNumericMacro (Def, 1);
240 /* We have a value, P points to the '=' character. Since the argument
241 * is const, create a copy and replace the '=' in the copy by a zero
245 unsigned Len = strlen (Def)+1;
246 char* S = (char*) xmalloc (Len);
247 memcpy (S, Def, Len);
251 /* Define this as a macro */
254 /* Release the allocated memory */
261 static void CheckSegName (const char* Seg)
262 /* Abort if the given name is not a valid segment name */
264 /* Print an error and abort if the name is not ok */
265 if (!ValidSegName (Seg)) {
266 AbEnd ("Segment name `%s' is invalid", Seg);
272 static void OptAddSource (const char* Opt, const char* Arg)
273 /* Add source lines as comments in generated assembler file */
280 static void OptAnsi (const char* Opt, const char* Arg)
281 /* Compile in strict ANSI mode */
288 static void OptBssName (const char* Opt, const char* Arg)
289 /* Handle the --bss-name option */
291 /* Check for a valid name */
295 NewSegName (SEG_BSS, Arg);
300 static void OptCheckStack (const char* Opt, const char* Arg)
301 /* Handle the --check-stack option */
308 static void OptCodeName (const char* Opt, const char* Arg)
309 /* Handle the --code-name option */
311 /* Check for a valid name */
315 NewSegName (SEG_CODE, Arg);
320 static void OptCodeSize (const char* Opt, const char* Arg)
321 /* Handle the --codesize option */
323 /* Numeric argument expected */
324 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
325 CodeSizeFactor < 100 ||
326 CodeSizeFactor > 1000) {
327 AbEnd ("Argument for %s is invalid", Opt);
333 static void OptCreateDep (const char* Opt, const char* Arg)
334 /* Handle the --create-dep option */
341 static void OptCPU (const char* Opt, const char* Arg)
342 /* Handle the --cpu option */
344 if (strcmp (Arg, "6502") == 0) {
346 } else if (strcmp (Arg, "65C02") == 0) {
349 AbEnd ("Invalid CPU: `%s'", Arg);
355 static void OptDataName (const char* Opt, const char* Arg)
356 /* Handle the --code-name option */
358 /* Check for a valid name */
362 NewSegName (SEG_DATA, Arg);
367 static void OptDebug (const char* Opt, const char* Arg)
368 /* Compiler debug mode */
375 static void OptDebugInfo (const char* Opt, const char* Arg)
376 /* Add debug info to the object file */
383 static void OptDisableOpt (const char* Opt, const char* Arg)
384 /* Disable an optimization step */
391 static void OptEnableOpt (const char* Opt, const char* Arg)
392 /* Enable an optimization step */
399 static void OptHelp (const char* Opt, const char* Arg)
400 /* Print usage information and exit */
408 static void OptIncludeDir (const char* Opt, const char* Arg)
409 /* Add an include search path */
411 AddIncludePath (Arg, INC_SYS | INC_USER);
416 static void OptRodataName (const char* Opt, const char* Arg)
417 /* Handle the --rodata-name option */
419 /* Check for a valid name */
423 NewSegName (SEG_RODATA, Arg);
428 static void OptSignedChars (const char* Opt, const char* Arg)
429 /* Make default characters signed */
436 static void OptStaticLocals (const char* Opt, const char* Arg)
437 /* Place local variables in static storage */
444 static void OptTarget (const char* Opt, const char* Arg)
445 /* Set the target system */
452 static void OptVerbose (const char* Opt, const char* Arg)
453 /* Increase verbosity */
460 static void OptVersion (const char* Opt, const char* Arg)
461 /* Print the assembler version */
465 VER_MAJOR, VER_MINOR, VER_PATCH);
470 int main (int argc, char* argv[])
472 /* Program long options */
473 static const LongOpt OptTab[] = {
474 { "--add-source", 0, OptAddSource },
475 { "--ansi", 0, OptAnsi },
476 { "--bss-name", 1, OptBssName },
477 { "--check-stack", 0, OptCheckStack },
478 { "--code-name", 1, OptCodeName },
479 { "--codesize", 1, OptCodeSize },
480 { "--create-dep", 0, OptCreateDep },
481 { "--cpu", 1, OptCPU },
482 { "--data-name", 1, OptDataName },
483 { "--debug", 0, OptDebug },
484 { "--debug-info", 0, OptDebugInfo },
485 { "--disable-opt", 1, OptDisableOpt },
486 { "--enable-opt", 1, OptEnableOpt, },
487 { "--help", 0, OptHelp },
488 { "--include-dir", 1, OptIncludeDir },
489 { "--rodata-name", 1, OptRodataName },
490 { "--signed-chars", 0, OptSignedChars },
491 { "--static-locals", 0, OptStaticLocals },
492 { "--target", 1, OptTarget },
493 { "--verbose", 0, OptVerbose },
494 { "--version", 0, OptVersion },
499 /* Initialize the output file name */
500 const char* OutputFile = 0;
501 const char* InputFile = 0;
503 /* Initialize the cmdline module */
504 InitCmdLine (&argc, &argv, "cc65");
506 /* Initialize the default segment names */
509 /* Parse the command line */
511 while (I < (int)ArgCount) {
515 /* Get the argument */
516 const char* Arg = ArgVec[I];
518 /* Check for an option */
519 if (Arg [0] == '-') {
524 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
537 OptDebugInfo (Arg, 0);
541 OptSignedChars (Arg, 0);
545 OutputFile = GetArg (&I, 2);
549 OptTarget (Arg, GetArg (&I, 2));
553 OptCreateDep (Arg, 0);
569 OptStaticLocals (Arg, 0);
579 DefineSym (GetArg (&I, 2));
583 OptIncludeDir (Arg, GetArg (&I, 2));
592 sscanf (P, "%lx", (long*) &OptDisable);
596 CodeSizeFactor = 200;
609 OptAddSource (Arg, 0);
626 fprintf (stderr, "additional file specs ignored\n");
636 /* Did we have a file spec on the command line? */
637 if (InputFile == 0) {
638 AbEnd ("No input files");
641 /* Create the output file name if it was not explicitly given */
642 if (OutputFile == 0) {
643 OutputFile = MakeFilename (InputFile, ".s");
649 /* Create the output file if we didn't had any errors */
650 if (ErrorCount == 0 || Debug) {
655 /* Optimize the output if requested */
662 F = fopen (OutputFile, "w");
664 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
667 /* Write the output to the file */
670 /* Close the file, check for errors */
671 if (fclose (F) != 0) {
673 Fatal ("Cannot write to output file (disk full?)");
676 /* Create dependencies if requested */
678 DoCreateDep (OutputFile);
683 /* Return an apropriate exit code */
684 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;