1 /*****************************************************************************/
5 /* cc65 main program */
9 /* (C) 2000-2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
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 /*****************************************************************************/
66 /*****************************************************************************/
68 /*****************************************************************************/
72 static void Usage (void)
75 "Usage: %s [options] file\n"
77 " -d\t\t\tDebug mode\n"
78 " -g\t\t\tAdd debug info to object file\n"
79 " -h\t\t\tHelp (this text)\n"
80 " -j\t\t\tDefault characters are signed\n"
81 " -o name\t\tName the output file\n"
82 " -t sys\t\tSet the target system\n"
83 " -v\t\t\tIncrease verbosity\n"
84 " -A\t\t\tStrict ANSI mode\n"
85 " -Cl\t\t\tMake local variables static\n"
86 " -Dsym[=defn]\t\tDefine a symbol\n"
87 " -I dir\t\tSet an include directory search path\n"
88 " -O\t\t\tOptimize code\n"
89 " -Oi\t\t\tOptimize code, inline more code\n"
90 " -Or\t\t\tEnable register variables\n"
91 " -Os\t\t\tInline some known functions\n"
92 " -T\t\t\tInclude source as comment\n"
93 " -V\t\t\tPrint the compiler version number\n"
94 " -W\t\t\tSuppress warnings\n"
97 " --ansi\t\tStrict ANSI mode\n"
98 " --bss-name seg\tSet the name of the BSS segment\n"
99 " --check-stack\t\tGenerate stack overflow checks\n"
100 " --code-name seg\tSet the name of the CODE segment\n"
101 " --codesize x\tAccept larger code by factor x\n"
102 " --cpu type\t\tSet cpu type\n"
103 " --data-name seg\tSet the name of the DATA segment\n"
104 " --debug\t\tDebug mode\n"
105 " --debug-info\t\tAdd debug info to object file\n"
106 " --help\t\tHelp (this text)\n"
107 " --include-dir dir\tSet an include directory search path\n"
108 " --rodata-name seg\tSet the name of the RODATA segment\n"
109 " --signed-chars\tDefault characters are signed\n"
110 " --static-locals\tMake local variables static\n"
111 " --target sys\t\tSet the target system\n"
112 " --verbose\t\tIncrease verbosity\n"
113 " --version\t\tPrint the compiler version number\n",
119 static void cbmsys (const char* sys)
120 /* Define a CBM system */
122 AddNumericMacro ("__CBM__", 1);
123 AddNumericMacro (sys, 1);
128 static void SetSys (const char* Sys)
129 /* Define a target system */
131 switch (Target = FindTarget (Sys)) {
137 AddNumericMacro ("__ATARI__", 1);
153 cbmsys ("__PLUS4__");
157 cbmsys ("__CBM610__");
165 AddNumericMacro ("__BBC__", 1);
169 AddNumericMacro ("__APPLE2__", 1);
173 /* Do not handle as a CBM system */
174 AddNumericMacro ("__GEOS__", 1);
178 AbEnd ("Unknown target system type");
181 /* Initialize the translation tables for the target system */
187 static void DoCreateDep (const char* OutputName)
188 /* Create the dependency file */
190 /* Make the dependency file name from the output file name */
191 char* DepName = MakeFilename (OutputName, ".u");
194 FILE* F = fopen (DepName, "w");
196 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
199 /* Write the dependencies to the file */
200 WriteDependencies (F, OutputName);
202 /* Close the file, check for errors */
203 if (fclose (F) != 0) {
205 Fatal ("Cannot write to dependeny file (disk full?)");
214 static void DefineSym (const char* Def)
215 /* Define a symbol on the command line */
219 /* The symbol must start with a character or underline */
220 if (Def [0] != '_' && !IsAlpha (Def [0])) {
224 /* Check the symbol name */
225 while (IsAlNum (*P) || *P == '_') {
229 /* Do we have a value given? */
234 /* No value given. Define the macro with the value 1 */
235 AddNumericMacro (Def, 1);
237 /* We have a value, P points to the '=' character. Since the argument
238 * is const, create a copy and replace the '=' in the copy by a zero
242 unsigned Len = strlen (Def)+1;
243 char* S = (char*) xmalloc (Len);
244 memcpy (S, Def, Len);
248 /* Define this as a macro */
251 /* Release the allocated memory */
258 static void CheckSegName (const char* Seg)
259 /* Abort if the given name is not a valid segment name */
261 /* Print an error and abort if the name is not ok */
262 if (!ValidSegName (Seg)) {
263 AbEnd ("Segment name `%s' is invalid", Seg);
269 static void OptAddSource (const char* Opt, const char* Arg)
270 /* Add source lines as comments in generated assembler file */
277 static void OptAnsi (const char* Opt, const char* Arg)
278 /* Compile in strict ANSI mode */
285 static void OptBssName (const char* Opt, const char* Arg)
286 /* Handle the --bss-name option */
288 /* Check for a valid name */
292 NewSegName (SEG_BSS, Arg);
297 static void OptCheckStack (const char* Opt, const char* Arg)
298 /* Handle the --check-stack option */
305 static void OptCodeName (const char* Opt, const char* Arg)
306 /* Handle the --code-name option */
308 /* Check for a valid name */
312 NewSegName (SEG_CODE, Arg);
317 static void OptCodeSize (const char* Opt, const char* Arg)
318 /* Handle the --codesize option */
320 /* Numeric argument expected */
321 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
322 CodeSizeFactor < 100 ||
323 CodeSizeFactor > 1000) {
324 AbEnd ("Argument for %s is invalid", Opt);
330 static void OptCreateDep (const char* Opt, const char* Arg)
331 /* Handle the --create-dep option */
338 static void OptCPU (const char* Opt, const char* Arg)
339 /* Handle the --cpu option */
341 if (strcmp (Arg, "6502") == 0) {
343 } else if (strcmp (Arg, "65C02") == 0) {
346 AbEnd ("Invalid CPU: `%s'", Arg);
352 static void OptDataName (const char* Opt, const char* Arg)
353 /* Handle the --code-name option */
355 /* Check for a valid name */
359 NewSegName (SEG_DATA, Arg);
364 static void OptDebug (const char* Opt, const char* Arg)
365 /* Compiler debug mode */
372 static void OptDebugInfo (const char* Opt, const char* Arg)
373 /* Add debug info to the object file */
380 static void OptHelp (const char* Opt, const char* Arg)
381 /* Print usage information and exit */
389 static void OptIncludeDir (const char* Opt, const char* Arg)
390 /* Add an include search path */
392 AddIncludePath (Arg, INC_SYS | INC_USER);
397 static void OptRodataName (const char* Opt, const char* Arg)
398 /* Handle the --rodata-name option */
400 /* Check for a valid name */
404 NewSegName (SEG_RODATA, Arg);
409 static void OptSignedChars (const char* Opt, const char* Arg)
410 /* Make default characters signed */
417 static void OptStaticLocals (const char* Opt, const char* Arg)
418 /* Place local variables in static storage */
425 static void OptTarget (const char* Opt, const char* Arg)
426 /* Set the target system */
433 static void OptVerbose (const char* Opt, const char* Arg)
434 /* Increase verbosity */
441 static void OptVersion (const char* Opt, const char* Arg)
442 /* Print the assembler version */
446 VER_MAJOR, VER_MINOR, VER_PATCH);
451 int main (int argc, char* argv[])
453 /* Program long options */
454 static const LongOpt OptTab[] = {
455 { "--add-source", 0, OptAddSource },
456 { "--ansi", 0, OptAnsi },
457 { "--bss-name", 1, OptBssName },
458 { "--check-stack", 0, OptCheckStack },
459 { "--code-name", 1, OptCodeName },
460 { "--codesize", 1, OptCodeSize },
461 { "--create-dep", 0, OptCreateDep },
462 { "--cpu", 1, OptCPU },
463 { "--data-name", 1, OptDataName },
464 { "--debug", 0, OptDebug },
465 { "--debug-info", 0, OptDebugInfo },
466 { "--help", 0, OptHelp },
467 { "--include-dir", 1, OptIncludeDir },
468 { "--rodata-name", 1, OptRodataName },
469 { "--signed-chars", 0, OptSignedChars },
470 { "--static-locals", 0, OptStaticLocals },
471 { "--target", 1, OptTarget },
472 { "--verbose", 0, OptVerbose },
473 { "--version", 0, OptVersion },
478 /* Initialize the output file name */
479 const char* OutputFile = 0;
480 const char* InputFile = 0;
482 /* Initialize the cmdline module */
483 InitCmdLine (&argc, &argv, "cc65");
485 /* Initialize the default segment names */
488 /* Parse the command line */
490 while (I < (int)ArgCount) {
494 /* Get the argument */
495 const char* Arg = ArgVec[I];
497 /* Check for an option */
498 if (Arg [0] == '-') {
503 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
516 OptDebugInfo (Arg, 0);
520 OptSignedChars (Arg, 0);
524 OutputFile = GetArg (&I, 2);
528 OptTarget (Arg, GetArg (&I, 2));
532 OptCreateDep (Arg, 0);
548 OptStaticLocals (Arg, 0);
558 DefineSym (GetArg (&I, 2));
562 OptIncludeDir (Arg, GetArg (&I, 2));
572 sscanf (P, "%lx", (long*) &OptDisable);
577 CodeSizeFactor = 200;
590 OptAddSource (Arg, 0);
607 fprintf (stderr, "additional file specs ignored\n");
617 /* Did we have a file spec on the command line? */
618 if (InputFile == 0) {
619 AbEnd ("No input files");
622 /* Open the input file */
623 OpenMainFile (InputFile);
625 /* Create the output file name if it was not explicitly given */
626 if (OutputFile == 0) {
627 OutputFile = MakeFilename (InputFile, ".s");
636 /* Create the output file if we didn't had any errors */
637 if (ErrorCount == 0 || Debug) {
642 /* Optimize the output if requested */
649 F = fopen (OutputFile, "w");
651 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
654 /* Write the output to the file */
657 /* Close the file, check for errors */
658 if (fclose (F) != 0) {
660 Fatal ("Cannot write to output file (disk full?)");
663 /* Create dependencies if requested */
665 DoCreateDep (OutputFile);
670 /* Return an apropriate exit code */
671 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;