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 " -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 DefineNumericMacro ("__ATARI__", 1);
160 cbmsys ("__PLUS4__");
164 cbmsys ("__CBM510__");
168 cbmsys ("__CBM610__");
176 DefineNumericMacro ("__BBC__", 1);
180 DefineNumericMacro ("__APPLE2__", 1);
184 /* Do not handle as a CBM system */
185 DefineNumericMacro ("__GEOS__", 1);
189 AbEnd ("Unknown target system type");
192 /* Initialize the translation tables for the target system */
198 static void DoCreateDep (const char* OutputName)
199 /* Create the dependency file */
201 /* Make the dependency file name from the output file name */
202 char* DepName = MakeFilename (OutputName, ".u");
205 FILE* F = fopen (DepName, "w");
207 Fatal ("Cannot open dependency file `%s': %s", DepName, strerror (errno));
210 /* Write the dependencies to the file */
211 WriteDependencies (F, OutputName);
213 /* Close the file, check for errors */
214 if (fclose (F) != 0) {
216 Fatal ("Cannot write to dependeny file (disk full?)");
225 static void DefineSym (const char* Def)
226 /* Define a symbol on the command line */
230 /* The symbol must start with a character or underline */
231 if (Def [0] != '_' && !IsAlpha (Def [0])) {
235 /* Check the symbol name */
236 while (IsAlNum (*P) || *P == '_') {
240 /* Do we have a value given? */
245 /* No value given. Define the macro with the value 1 */
246 DefineNumericMacro (Def, 1);
248 /* We have a value, P points to the '=' character. Since the argument
249 * is const, create a copy and replace the '=' in the copy by a zero
253 unsigned Len = strlen (Def)+1;
254 char* S = (char*) xmalloc (Len);
255 memcpy (S, Def, Len);
259 /* Define this as a macro */
260 DefineTextMacro (S, Q);
262 /* Release the allocated memory */
269 static void CheckSegName (const char* Seg)
270 /* Abort if the given name is not a valid segment name */
272 /* Print an error and abort if the name is not ok */
273 if (!ValidSegName (Seg)) {
274 AbEnd ("Segment name `%s' is invalid", Seg);
280 static void OptAddSource (const char* Opt attribute ((unused)),
281 const char* Arg attribute ((unused)))
282 /* Add source lines as comments in generated assembler file */
289 static void OptAnsi (const char* Opt attribute ((unused)),
290 const char* Arg attribute ((unused)))
291 /* Compile in strict ANSI mode */
298 static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
299 /* Handle the --bss-name option */
301 /* Check for a valid name */
305 NewSegName (SEG_BSS, Arg);
310 static void OptCheckStack (const char* Opt attribute ((unused)),
311 const char* Arg attribute ((unused)))
312 /* Handle the --check-stack option */
319 static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
320 /* Handle the --code-name option */
322 /* Check for a valid name */
326 NewSegName (SEG_CODE, Arg);
331 static void OptCodeSize (const char* Opt, const char* Arg)
332 /* Handle the --codesize option */
334 /* Numeric argument expected */
335 if (sscanf (Arg, "%u", &CodeSizeFactor) != 1 ||
336 CodeSizeFactor < 100 ||
337 CodeSizeFactor > 1000) {
338 AbEnd ("Argument for %s is invalid", Opt);
344 static void OptCreateDep (const char* Opt attribute ((unused)),
345 const char* Arg attribute ((unused)))
346 /* Handle the --create-dep option */
353 static void OptCPU (const char* Opt, const char* Arg)
354 /* Handle the --cpu option */
356 if (strcmp (Arg, "6502") == 0) {
358 } else if (strcmp (Arg, "65C02") == 0) {
361 AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
367 static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
368 /* Handle the --data-name option */
370 /* Check for a valid name */
374 NewSegName (SEG_DATA, Arg);
379 static void OptDebug (const char* Opt attribute ((unused)),
380 const char* Arg attribute ((unused)))
381 /* Compiler debug mode */
388 static void OptDebugInfo (const char* Opt attribute ((unused)),
389 const char* Arg attribute ((unused)))
390 /* Add debug info to the object file */
397 static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
398 /* Debug optimization steps */
404 FILE* F = fopen (Arg, "r");
406 AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
409 /* Read line by line, ignore empty lines and switch optimization
412 while (fgets (Buf, sizeof (Buf), F) != 0) {
414 /* Remove trailing control chars. This will also remove the
417 unsigned Len = strlen (Buf);
418 while (Len > 0 && IsControl (Buf[Len-1])) {
423 /* Get a pointer to the buffer and remove leading white space */
425 while (IsBlank (*Line)) {
429 /* Check the first character and enable/disable the step or
437 /* Empty or comment line */
456 /* Close the file, no error check here since we were just reading and
457 * this is only a debug function.
464 static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
465 /* Disable an optimization step */
472 static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
473 /* Enable an optimization step */
480 static void OptHelp (const char* Opt attribute ((unused)),
481 const char* Arg attribute ((unused)))
482 /* Print usage information and exit */
490 static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
491 /* Add an include search path */
493 AddIncludePath (Arg, INC_SYS | INC_USER);
498 static void OptListOptSteps (const char* Opt attribute ((unused)),
499 const char* Arg attribute ((unused)))
500 /* List all optimizer steps */
502 /* List the optimizer steps */
503 ListOptSteps (stdout);
511 static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
512 /* Handle the --rodata-name option */
514 /* Check for a valid name */
518 NewSegName (SEG_RODATA, Arg);
523 static void OptSignedChars (const char* Opt attribute ((unused)),
524 const char* Arg attribute ((unused)))
525 /* Make default characters signed */
532 static void OptStaticLocals (const char* Opt attribute ((unused)),
533 const char* Arg attribute ((unused)))
534 /* Place local variables in static storage */
541 static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
542 /* Set the target system */
549 static void OptVerbose (const char* Opt attribute ((unused)),
550 const char* Arg attribute ((unused)))
551 /* Increase verbosity */
558 static void OptVersion (const char* Opt attribute ((unused)),
559 const char* Arg attribute ((unused)))
560 /* Print the assembler version */
564 VER_MAJOR, VER_MINOR, VER_PATCH);
569 int main (int argc, char* argv[])
571 /* Program long options */
572 static const LongOpt OptTab[] = {
573 { "--add-source", 0, OptAddSource },
574 { "--ansi", 0, OptAnsi },
575 { "--bss-name", 1, OptBssName },
576 { "--check-stack", 0, OptCheckStack },
577 { "--code-name", 1, OptCodeName },
578 { "--codesize", 1, OptCodeSize },
579 { "--cpu", 1, OptCPU },
580 { "--create-dep", 0, OptCreateDep },
581 { "--data-name", 1, OptDataName },
582 { "--debug", 0, OptDebug },
583 { "--debug-info", 0, OptDebugInfo },
584 { "--debug-opt", 1, OptDebugOpt },
585 { "--disable-opt", 1, OptDisableOpt },
586 { "--enable-opt", 1, OptEnableOpt, },
587 { "--help", 0, OptHelp },
588 { "--include-dir", 1, OptIncludeDir },
589 { "--list-opt-steps", 0, OptListOptSteps },
590 { "--rodata-name", 1, OptRodataName },
591 { "--signed-chars", 0, OptSignedChars },
592 { "--static-locals", 0, OptStaticLocals },
593 { "--target", 1, OptTarget },
594 { "--verbose", 0, OptVerbose },
595 { "--version", 0, OptVersion },
600 /* Initialize the output file name */
601 const char* OutputFile = 0;
602 const char* InputFile = 0;
604 /* Initialize the cmdline module */
605 InitCmdLine (&argc, &argv, "cc65");
607 /* Initialize the default segment names */
610 /* Parse the command line */
612 while (I < (int)ArgCount) {
616 /* Get the argument */
617 const char* Arg = ArgVec[I];
619 /* Check for an option */
620 if (Arg [0] == '-') {
625 LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
638 OptDebugInfo (Arg, 0);
642 OptSignedChars (Arg, 0);
646 OutputFile = GetArg (&I, 2);
650 OptTarget (Arg, GetArg (&I, 2));
654 OptCreateDep (Arg, 0);
670 OptStaticLocals (Arg, 0);
680 DefineSym (GetArg (&I, 2));
684 OptIncludeDir (Arg, GetArg (&I, 2));
693 sscanf (P, "%lx", (long*) &OptDisable);
697 CodeSizeFactor = 200;
710 OptAddSource (Arg, 0);
727 fprintf (stderr, "additional file specs ignored\n");
737 /* Did we have a file spec on the command line? */
738 if (InputFile == 0) {
739 AbEnd ("No input files");
742 /* Create the output file name if it was not explicitly given */
743 if (OutputFile == 0) {
744 OutputFile = MakeFilename (InputFile, ".s");
750 /* Create the output file if we didn't had any errors */
751 if (ErrorCount == 0 || Debug) {
756 /* Optimize the output if requested */
763 F = fopen (OutputFile, "w");
765 Fatal ("Cannot open output file `%s': %s", OutputFile, strerror (errno));
768 /* Write the output to the file */
771 /* Close the file, check for errors */
772 if (fclose (F) != 0) {
774 Fatal ("Cannot write to output file (disk full?)");
777 /* Create dependencies if requested */
779 DoCreateDep (OutputFile);
784 /* Return an apropriate exit code */
785 return (ErrorCount > 0)? EXIT_FAILURE : EXIT_SUCCESS;