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 %{<fcheck-references} %{<fno-check-references}\
67 %{f*} -fdollars-in-identifiers\
69 %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
70 %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%Umain.s}} |\n\
71 %{!S:as %a %Y -o %d%w%umain%O %{!pipe:%Umain.s} %A\n }";
73 /* Return full path name of spec file if it is in DIR, or NULL if
83 spec = (char *) xmalloc (strlen (dir) + sizeof (SPEC_FILE)
84 + sizeof ("-specs=") + 4);
85 strcpy (spec, "-specs=");
89 strcat (spec, SPEC_FILE);
90 if (! stat (spec + x, &sb))
97 lang_specific_driver (in_argc, in_argv, in_added_libraries)
99 const char *const **in_argv;
100 int *in_added_libraries;
104 /* If non-zero, the user gave us the `-v' flag. */
105 int saw_verbose_flag = 0;
107 int saw_save_temps = 0;
109 /* This will be 0 if we encounter a situation where we should not
113 /* This will be 1 if multiple input files (.class and/or .java)
114 should be passed to a single jc1 invocation. */
115 int combine_inputs = 0;
117 /* Index of last .java or .class argument. */
118 int last_input_index;
120 /* Number of .java and .class source file arguments seen. */
121 int java_files_count = 0;
122 int class_files_count = 0;
123 /* Number of .zip or .jar file arguments seen. */
124 int zip_files_count = 0;
125 /* Number of '@FILES' arguments seen. */
126 int indirect_files_count = 0;
128 /* Name of file containing list of files to compile. */
129 char *filelist_filename;
133 /* The number of arguments being added to what's in argv, other than
137 /* Used to track options that take arguments, so we don't go wrapping
138 those with -xc++/-xnone. */
139 const char *quote = NULL;
141 /* The new argument list will be contained in this. */
142 const char **arglist;
144 /* Non-zero if we saw a `-xfoo' language specification on the
145 command line. Used to avoid adding our own -xc++ if the user
146 already gave a language for the file. */
147 int saw_speclang = 0;
150 /* "-lm" or "-lmath" if it appears on the command line. */
151 const char *saw_math ATTRIBUTE_UNUSED = 0;
153 /* "-lc" if it appears on the command line. */
154 const char *saw_libc ATTRIBUTE_UNUSED = 0;
156 /* "-lgcjgc" if it appears on the command line. */
157 const char *saw_gc ATTRIBUTE_UNUSED = 0;
159 /* Saw `-l' option for the thread library. */
160 const char *saw_threadlib ATTRIBUTE_UNUSED = 0;
162 /* Saw `-lgcj' on command line. */
163 int saw_libgcj ATTRIBUTE_UNUSED = 0;
166 /* Saw -C or -o option, respectively. */
170 /* Saw some -O* or -g* option, respectively. */
174 /* Saw a `-D' option. */
177 /* An array used to flag each argument that needs a bit set for
178 LANGSPEC, MATHLIB, WITHLIBC, or GCLIB. */
181 /* The total number of arguments with the new stuff. */
184 /* The argument list. */
185 const char *const *argv;
187 /* The number of libraries added in. */
190 /* The total number of arguments with the new stuff. */
193 /* Non-zero if linking is supposed to happen. */
196 /* Non-zero if we want to find the spec file. */
197 int want_spec_file = 1;
199 /* The argument we use to specify the spec file. */
200 char *spec_file = NULL;
204 added_libraries = *in_added_libraries;
206 args = (int *) xcalloc (argc, sizeof (int));
208 for (i = 1; i < argc; i++)
210 /* If the previous option took an argument, we swallow it here. */
214 args[i] |= PARAM_ARG;
218 /* We don't do this anymore, since we don't get them with minus
220 if (argv[i][0] == '\0' || argv[i][1] == '\0')
223 if (argv[i][0] == '-')
225 if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0
226 || strcmp (argv[i], "-nodefaultlibs") == 0))
230 else if (strncmp (argv[i], "-fmain=", 7) == 0)
232 main_class_name = argv[i] + 7;
235 else if (strcmp (argv[i], "-fhelp") == 0)
237 else if (strcmp (argv[i], "-v") == 0)
239 saw_verbose_flag = 1;
242 /* If they only gave us `-v', don't try to link
247 else if (strncmp (argv[i], "-x", 2) == 0)
249 else if (strcmp (argv[i], "-C") == 0)
258 else if (argv[i][1] == 'D')
260 else if (argv[i][1] == 'g')
262 else if (argv[i][1] == 'O')
264 else if ((argv[i][2] == '\0'
265 && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
266 || strcmp (argv[i], "-Tdata") == 0
267 || strcmp (argv[i], "-MT") == 0
268 || strcmp (argv[i], "-MF") == 0)
270 if (strcmp (argv[i], "-o") == 0)
274 else if (strcmp(argv[i], "-classpath") == 0
275 || strcmp(argv[i], "-CLASSPATH") == 0)
280 else if (library != 0
281 && ((argv[i][2] == '\0'
282 && (char *) strchr ("cSEM", argv[i][1]) != NULL)
283 || strcmp (argv[i], "-MM") == 0))
285 /* Don't specify libraries if we won't link, since that would
290 /* Remember this so we can confirm -fmain option. */
293 else if (strcmp (argv[i], "-d") == 0)
295 /* `-d' option is for javac compatibility. */
299 else if (strcmp (argv[i], "-fsyntax-only") == 0
300 || strcmp (argv[i], "--syntax-only") == 0)
307 else if (strcmp (argv[i], "-save-temps") == 0)
309 else if (strcmp (argv[i], "-static-libgcc") == 0
310 || strcmp (argv[i], "-static") == 0)
313 /* Pass other options through. */
326 if (argv[i][0] == '@')
328 args[i] |= INDIRECT_FILE_ARG;
329 indirect_files_count++;
330 added += 2; /* for -xjava and -xnone */
333 len = strlen (argv[i]);
334 if (len > 5 && strcmp (argv[i] + len - 5, ".java") == 0)
336 args[i] |= JAVA_FILE_ARG;
338 last_input_index = i;
340 if (len > 6 && strcmp (argv[i] + len - 6, ".class") == 0)
342 args[i] |= CLASS_FILE_ARG;
344 last_input_index = i;
347 && (strcmp (argv[i] + len - 4, ".zip") == 0
348 || strcmp (argv[i] + len - 4, ".jar") == 0))
350 args[i] |= ZIP_FILE_ARG;
352 last_input_index = i;
358 fatal ("argument to `%s' missing\n", quote);
360 if (saw_D && ! main_class_name)
361 fatal ("can't specify `-D' without `--main'\n");
363 num_args = argc + added;
367 if (class_files_count + zip_files_count > 0)
369 error ("Warning: already-compiled .class files ignored with -C");
370 num_args -= class_files_count + zip_files_count;
371 class_files_count = 0;
374 num_args += 2; /* For -o NONE. */
376 fatal ("cannot specify both -C and -o");
378 if ((saw_o && java_files_count + class_files_count + zip_files_count > 1)
379 || (saw_C && java_files_count > 1)
380 || (indirect_files_count > 0
381 && java_files_count + class_files_count + zip_files_count > 0))
386 filelist_filename = make_temp_file ("jx");
387 if (filelist_filename == NULL)
388 fatal ("cannot create temporary file");
389 record_temp_file (filelist_filename, ! saw_save_temps, 0);
390 filelist_file = fopen (filelist_filename, "w");
391 if (filelist_file == NULL)
392 pfatal_with_name (filelist_filename);
393 num_args -= java_files_count + class_files_count + zip_files_count;
394 num_args += 2; /* for the combined arg and "-xjava" */
396 /* If we know we don't have to do anything, bail now. */
398 if (! added && ! library && main_class_name == NULL && ! saw_C)
407 lang_specific_extra_outfiles++;
409 if (saw_g + saw_O == 0)
413 if (combine_inputs || indirect_files_count > 0)
414 num_args += 1; /* for "-ffilelist-file" */
415 if (combine_inputs && indirect_files_count > 0)
416 fatal("using both @FILE with multiple files not implemented");
418 /* There's no point adding -shared-libgcc if we don't have a shared
420 #ifndef ENABLE_SHARED_LIBGCC
424 num_args += shared_libgcc;
426 arglist = (const char **) xmalloc ((num_args + 1) * sizeof (char *));
429 for (i = 0; i < argc; i++, j++)
431 arglist[j] = argv[i];
433 if ((args[i] & PARAM_ARG) || i == 0)
436 if (strcmp (argv[i], "-classpath") == 0
437 || strcmp (argv[i], "-CLASSPATH") == 0)
439 arglist[j] = concat ("-f", argv[i]+1, "=", argv[i+1], NULL);
444 if (strcmp (argv[i], "-d") == 0)
446 arglist[j] = concat ("-foutput-class-dir=", argv[i + 1], NULL);
451 if (spec_file == NULL && strncmp (argv[i], "-L", 2) == 0)
452 spec_file = find_spec_file (argv[i] + 2);
454 if (strncmp (argv[i], "-fmain=", 7) == 0)
457 fatal ("cannot specify `main' class when not linking");
462 if ((args[i] & INDIRECT_FILE_ARG) != 0)
464 arglist[j++] = "-xjava";
465 arglist[j++] = argv[i]+1; /* Drop '@'. */
466 arglist[j] = "-xnone";
469 if ((args[i] & (CLASS_FILE_ARG|ZIP_FILE_ARG)) && saw_C)
476 && (args[i] & (CLASS_FILE_ARG|JAVA_FILE_ARG|ZIP_FILE_ARG)) != 0)
478 fputs (argv[i], filelist_file);
479 fputc ('\n', filelist_file);
485 if (combine_inputs || indirect_files_count > 0)
486 arglist[j++] = "-ffilelist-file";
490 if (fclose (filelist_file))
491 pfatal_with_name (filelist_filename);
492 arglist[j++] = "-xjava";
493 arglist[j++] = filelist_filename;
496 /* If we saw no -O or -g option, default to -g1, for javac compatibility. */
497 if (saw_g + saw_O == 0)
498 arglist[j++] = "-g1";
500 /* Read the specs file corresponding to libgcj.
501 If we didn't find the spec file on the -L path, then we hope it
502 is somewhere in the standard install areas. */
504 arglist[j++] = spec_file == NULL ? "-specs=libgcj.spec" : spec_file;
508 arglist[j++] = "-fsyntax-only";
509 arglist[j++] = "-femit-class-files";
512 arglist[j++] = "NONE";
516 arglist[j++] = "-shared-libgcc";
522 *in_added_libraries = added_libraries;
526 lang_specific_pre_link ()
528 if (main_class_name == NULL)
530 input_filename = main_class_name;
531 input_filename_length = strlen (main_class_name);
532 return do_spec (jvgenmain_spec);