1 /* Specific flags and argument handling of the front-end of the
2 GNU compiler for the Java(TM) language.
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA.
22 Java and all Java-based marks are trademarks or registered trademarks
23 of Sun Microsystems, Inc. in the United States and other countries.
24 The Free Software Foundation is independent of Sun Microsystems, Inc. */
30 /* Name of spec file. */
31 #define SPEC_FILE "libgcj.spec"
33 /* This bit is set if we saw a `-xfoo' language specification. */
34 #define LANGSPEC (1<<1)
35 /* True if this arg is a parameter to the previous option-taking arg. */
36 #define PARAM_ARG (1<<2)
37 /* True if this arg is a .java input file name. */
38 #define JAVA_FILE_ARG (1<<3)
39 /* True if this arg is a .class input file name. */
40 #define CLASS_FILE_ARG (1<<4)
41 /* True if this arg is a .zip or .jar input file name. */
42 #define ZIP_FILE_ARG (1<<5)
43 /* True if this arg is @FILE - where FILE contains a list of filenames. */
44 #define INDIRECT_FILE_ARG (1<<6)
46 static char *find_spec_file PARAMS ((const char *));
48 static const char *main_class_name = NULL;
49 int lang_specific_extra_outfiles = 0;
51 /* True if we should add -shared-libgcc to the command-line. */
52 int shared_libgcc = 1;
54 const char jvgenmain_spec[] =
55 "jvgenmain %{D*} %i %{!pipe:%umain.i} |\n\
56 cc1 %{!pipe:%Umain.i} %1 \
57 %{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a*}\
59 %{v:-version} %{pg:-p} %{p}\
60 %{<fbounds-check} %{<fno-bounds-check}\
61 %{<fassume-compiled} %{<fno-assume-compiled}\
62 %{<femit-class-file} %{<femit-class-files} %{<fencoding*}\
63 %{<fuse-boehm-gc} %{<fhash-synchronization} %{<fjni}\
64 %{<fclasspath*} %{<fCLASSPATH*} %{<foutput-class-dir}\
65 %{<fuse-divide-subroutine} %{<fno-use-divide-subroutine}\
66 %{f*} -fdollars-in-identifiers\
68 %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
69 %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%Umain.s}} |\n\
70 %{!S:as %a %Y -o %d%w%umain%O %{!pipe:%Umain.s} %A\n }";
72 /* Return full path name of spec file if it is in DIR, or NULL if
82 spec = (char *) xmalloc (strlen (dir) + sizeof (SPEC_FILE)
83 + sizeof ("-specs=") + 4);
84 strcpy (spec, "-specs=");
88 strcat (spec, SPEC_FILE);
89 if (! stat (spec + x, &sb))
96 lang_specific_driver (in_argc, in_argv, in_added_libraries)
98 const char *const **in_argv;
99 int *in_added_libraries;
103 /* If non-zero, the user gave us the `-v' flag. */
104 int saw_verbose_flag = 0;
106 int saw_save_temps = 0;
108 /* This will be 0 if we encounter a situation where we should not
112 /* This will be 1 if multiple input files (.class and/or .java)
113 should be passed to a single jc1 invocation. */
114 int combine_inputs = 0;
116 /* Index of last .java or .class argument. */
117 int last_input_index;
119 /* Number of .java and .class source file arguments seen. */
120 int java_files_count = 0;
121 int class_files_count = 0;
122 /* Number of .zip or .jar file arguments seen. */
123 int zip_files_count = 0;
124 /* Number of '@FILES' arguments seen. */
125 int indirect_files_count = 0;
127 /* Name of file containing list of files to compile. */
128 char *filelist_filename;
132 /* The number of arguments being added to what's in argv, other than
136 /* Used to track options that take arguments, so we don't go wrapping
137 those with -xc++/-xnone. */
138 const char *quote = NULL;
140 /* The new argument list will be contained in this. */
141 const char **arglist;
143 /* Non-zero if we saw a `-xfoo' language specification on the
144 command line. Used to avoid adding our own -xc++ if the user
145 already gave a language for the file. */
146 int saw_speclang = 0;
149 /* "-lm" or "-lmath" if it appears on the command line. */
150 const char *saw_math ATTRIBUTE_UNUSED = 0;
152 /* "-lc" if it appears on the command line. */
153 const char *saw_libc ATTRIBUTE_UNUSED = 0;
155 /* "-lgcjgc" if it appears on the command line. */
156 const char *saw_gc ATTRIBUTE_UNUSED = 0;
158 /* Saw `-l' option for the thread library. */
159 const char *saw_threadlib ATTRIBUTE_UNUSED = 0;
161 /* Saw `-lgcj' on command line. */
162 int saw_libgcj ATTRIBUTE_UNUSED = 0;
165 /* Saw -C or -o option, respectively. */
169 /* Saw some -O* or -g* option, respectively. */
173 /* Saw a `-D' option. */
176 /* An array used to flag each argument that needs a bit set for
177 LANGSPEC, MATHLIB, WITHLIBC, or GCLIB. */
180 /* The total number of arguments with the new stuff. */
183 /* The argument list. */
184 const char *const *argv;
186 /* The number of libraries added in. */
189 /* The total number of arguments with the new stuff. */
192 /* Non-zero if linking is supposed to happen. */
195 /* Non-zero if we want to find the spec file. */
196 int want_spec_file = 1;
198 /* The argument we use to specify the spec file. */
199 char *spec_file = NULL;
203 added_libraries = *in_added_libraries;
205 args = (int *) xcalloc (argc, sizeof (int));
207 for (i = 1; i < argc; i++)
209 /* If the previous option took an argument, we swallow it here. */
213 args[i] |= PARAM_ARG;
217 /* We don't do this anymore, since we don't get them with minus
219 if (argv[i][0] == '\0' || argv[i][1] == '\0')
222 if (argv[i][0] == '-')
224 if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0
225 || strcmp (argv[i], "-nodefaultlibs") == 0))
229 else if (strncmp (argv[i], "-fmain=", 7) == 0)
231 main_class_name = argv[i] + 7;
234 else if (strcmp (argv[i], "-fhelp") == 0)
236 else if (strcmp (argv[i], "-v") == 0)
238 saw_verbose_flag = 1;
241 /* If they only gave us `-v', don't try to link
246 else if (strncmp (argv[i], "-x", 2) == 0)
248 else if (strcmp (argv[i], "-C") == 0)
257 else if (argv[i][1] == 'D')
259 else if (argv[i][1] == 'g')
261 else if (argv[i][1] == 'O')
263 else if ((argv[i][2] == '\0'
264 && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
265 || strcmp (argv[i], "-Tdata") == 0
266 || strcmp (argv[i], "-MT") == 0
267 || strcmp (argv[i], "-MF") == 0)
269 if (strcmp (argv[i], "-o") == 0)
273 else if (strcmp(argv[i], "-classpath") == 0
274 || strcmp(argv[i], "-CLASSPATH") == 0)
279 else if (library != 0
280 && ((argv[i][2] == '\0'
281 && (char *) strchr ("cSEM", argv[i][1]) != NULL)
282 || strcmp (argv[i], "-MM") == 0))
284 /* Don't specify libraries if we won't link, since that would
289 /* Remember this so we can confirm -fmain option. */
292 else if (strcmp (argv[i], "-d") == 0)
294 /* `-d' option is for javac compatibility. */
298 else if (strcmp (argv[i], "-fsyntax-only") == 0
299 || strcmp (argv[i], "--syntax-only") == 0)
306 else if (strcmp (argv[i], "-save-temps") == 0)
308 else if (strcmp (argv[i], "-static-libgcc") == 0
309 || strcmp (argv[i], "-static") == 0)
312 /* Pass other options through. */
325 if (argv[i][0] == '@')
327 args[i] |= INDIRECT_FILE_ARG;
328 indirect_files_count++;
329 added += 2; /* for -xjava and -xnone */
332 len = strlen (argv[i]);
333 if (len > 5 && strcmp (argv[i] + len - 5, ".java") == 0)
335 args[i] |= JAVA_FILE_ARG;
337 last_input_index = i;
339 if (len > 6 && strcmp (argv[i] + len - 6, ".class") == 0)
341 args[i] |= CLASS_FILE_ARG;
343 last_input_index = i;
346 && (strcmp (argv[i] + len - 4, ".zip") == 0
347 || strcmp (argv[i] + len - 4, ".jar") == 0))
349 args[i] |= ZIP_FILE_ARG;
351 last_input_index = i;
357 fatal ("argument to `%s' missing\n", quote);
359 if (saw_D && ! main_class_name)
360 fatal ("can't specify `-D' without `--main'\n");
362 num_args = argc + added;
366 if (class_files_count + zip_files_count > 0)
368 error ("Warning: already-compiled .class files ignored with -C");
369 num_args -= class_files_count + zip_files_count;
370 class_files_count = 0;
373 num_args += 2; /* For -o NONE. */
375 fatal ("cannot specify both -C and -o");
377 if ((saw_o && java_files_count + class_files_count + zip_files_count > 1)
378 || (saw_C && java_files_count > 1)
379 || (indirect_files_count > 0
380 && java_files_count + class_files_count + zip_files_count > 0))
385 filelist_filename = make_temp_file ("jx");
386 if (filelist_filename == NULL)
387 fatal ("cannot create temporary file");
388 record_temp_file (filelist_filename, ! saw_save_temps, 0);
389 filelist_file = fopen (filelist_filename, "w");
390 if (filelist_file == NULL)
391 pfatal_with_name (filelist_filename);
392 num_args -= java_files_count + class_files_count + zip_files_count;
393 num_args += 2; /* for the combined arg and "-xjava" */
395 /* If we know we don't have to do anything, bail now. */
397 if (! added && ! library && main_class_name == NULL && ! saw_C)
406 lang_specific_extra_outfiles++;
408 if (saw_g + saw_O == 0)
412 if (combine_inputs || indirect_files_count > 0)
413 num_args += 1; /* for "-ffilelist-file" */
414 if (combine_inputs && indirect_files_count > 0)
415 fatal("using both @FILE with multiple files not implemented");
417 /* There's no point adding -shared-libgcc if we don't have a shared
419 #ifndef ENABLE_SHARED_LIBGCC
423 num_args += shared_libgcc;
425 arglist = (const char **) xmalloc ((num_args + 1) * sizeof (char *));
428 for (i = 0; i < argc; i++, j++)
430 arglist[j] = argv[i];
432 if ((args[i] & PARAM_ARG) || i == 0)
435 if (strcmp (argv[i], "-classpath") == 0
436 || strcmp (argv[i], "-CLASSPATH") == 0)
439 = (char*) xmalloc (strlen (argv[i]) + strlen (argv[i+1]) + 3);
440 sprintf (patharg, "-f%s=%s", argv[i]+1, argv[i+1]);
441 arglist[j] = patharg;
446 if (strcmp (argv[i], "-d") == 0)
448 char *patharg = (char *) xmalloc (sizeof ("-foutput-class-dir=")
449 + strlen (argv[i + 1]) + 1);
450 sprintf (patharg, "-foutput-class-dir=%s", argv[i + 1]);
451 arglist[j] = patharg;
456 if (spec_file == NULL && strncmp (argv[i], "-L", 2) == 0)
457 spec_file = find_spec_file (argv[i] + 2);
459 if (strncmp (argv[i], "-fmain=", 7) == 0)
462 fatal ("cannot specify `main' class when not linking");
467 if ((args[i] & INDIRECT_FILE_ARG) != 0)
469 arglist[j++] = "-xjava";
470 arglist[j++] = argv[i]+1; /* Drop '@'. */
471 arglist[j] = "-xnone";
474 if ((args[i] & (CLASS_FILE_ARG|ZIP_FILE_ARG)) && saw_C)
481 && (args[i] & (CLASS_FILE_ARG|JAVA_FILE_ARG|ZIP_FILE_ARG)) != 0)
483 fputs (argv[i], filelist_file);
484 fputc ('\n', filelist_file);
490 if (combine_inputs || indirect_files_count > 0)
491 arglist[j++] = "-ffilelist-file";
495 if (fclose (filelist_file))
496 pfatal_with_name (filelist_filename);
497 arglist[j++] = "-xjava";
498 arglist[j++] = filelist_filename;
501 /* If we saw no -O or -g option, default to -g1, for javac compatibility. */
502 if (saw_g + saw_O == 0)
503 arglist[j++] = "-g1";
505 /* Read the specs file corresponding to libgcj.
506 If we didn't find the spec file on the -L path, then we hope it
507 is somewhere in the standard install areas. */
509 arglist[j++] = spec_file == NULL ? "-specs=libgcj.spec" : spec_file;
513 arglist[j++] = "-fsyntax-only";
514 arglist[j++] = "-femit-class-files";
517 arglist[j++] = "NONE";
521 arglist[j++] = "-shared-libgcc";
527 *in_added_libraries = added_libraries;
531 lang_specific_pre_link ()
533 if (main_class_name == NULL)
535 input_filename = main_class_name;
536 input_filename_length = strlen (main_class_name);
537 return do_spec (jvgenmain_spec);