1 /* bucomm.c -- Bin Utils COMmon code.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002,
4 Free Software Foundation, Inc.
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
23 /* We might put this in a library someday so it could be dynamically
24 loaded, but for now it's not necessary. */
28 #include "libiberty.h"
30 #include "filenames.h"
34 #include <time.h> /* ctime, maybe time_t */
37 #ifndef HAVE_TIME_T_IN_TIME_H
38 #ifndef HAVE_TIME_T_IN_TYPES_H
43 static const char * endian_string (enum bfd_endian);
44 static int display_target_list (void);
45 static int display_info_table (int, int);
46 static int display_target_tables (void);
48 /* Error reporting. */
53 bfd_nonfatal (const char *string)
55 const char *errmsg = bfd_errmsg (bfd_get_error ());
58 fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);
60 fprintf (stderr, "%s: %s\n", program_name, errmsg);
64 bfd_fatal (const char *string)
66 bfd_nonfatal (string);
71 report (const char * format, va_list args)
73 fprintf (stderr, "%s: ", program_name);
74 vfprintf (stderr, format, args);
79 fatal VPARAMS ((const char *format, ...))
81 VA_OPEN (args, format);
82 VA_FIXEDARG (args, const char *, format);
84 report (format, args);
90 non_fatal VPARAMS ((const char *format, ...))
92 VA_OPEN (args, format);
93 VA_FIXEDARG (args, const char *, format);
95 report (format, args);
99 /* Set the default BFD target based on the configured target. Doing
100 this permits the binutils to be configured for a particular target,
101 and linked against a shared BFD library which was configured for a
105 set_default_bfd_target (void)
107 /* The macro TARGET is defined by Makefile. */
108 const char *target = TARGET;
110 if (! bfd_set_default_target (target))
111 fatal (_("can't set BFD default target to `%s': %s"),
112 target, bfd_errmsg (bfd_get_error ()));
115 /* After a FALSE return from bfd_check_format_matches with
116 bfd_get_error () == bfd_error_file_ambiguously_recognized, print
117 the possible matching targets. */
120 list_matching_formats (char **p)
122 fprintf (stderr, _("%s: Matching formats:"), program_name);
124 fprintf (stderr, " %s", *p++);
125 fputc ('\n', stderr);
128 /* List the supported targets. */
131 list_supported_targets (const char *name, FILE *f)
134 const char **targ_names = bfd_target_list ();
137 fprintf (f, _("Supported targets:"));
139 fprintf (f, _("%s: supported targets:"), name);
141 for (t = 0; targ_names[t] != NULL; t++)
142 fprintf (f, " %s", targ_names[t]);
147 /* List the supported architectures. */
150 list_supported_architectures (const char *name, FILE *f)
155 fprintf (f, _("Supported architectures:"));
157 fprintf (f, _("%s: supported architectures:"), name);
159 for (arch = bfd_arch_list (); *arch; arch++)
160 fprintf (f, " %s", *arch);
164 /* The length of the longest architecture name + 1. */
165 #define LONGEST_ARCH sizeof ("powerpc:common")
168 endian_string (enum bfd_endian endian)
172 case BFD_ENDIAN_BIG: return "big endian";
173 case BFD_ENDIAN_LITTLE: return "little endian";
174 default: return "endianness unknown";
178 /* List the targets that BFD is configured to support, each followed
179 by its endianness and the architectures it supports. */
182 display_target_list (void)
188 dummy_name = make_temp_file (NULL);
189 for (t = 0; bfd_target_vector[t]; t++)
191 const bfd_target *p = bfd_target_vector[t];
192 bfd *abfd = bfd_openw (dummy_name, p->name);
193 enum bfd_architecture a;
195 printf ("%s\n (header %s, data %s)\n", p->name,
196 endian_string (p->header_byteorder),
197 endian_string (p->byteorder));
201 bfd_nonfatal (dummy_name);
206 if (! bfd_set_format (abfd, bfd_object))
208 if (bfd_get_error () != bfd_error_invalid_operation)
210 bfd_nonfatal (p->name);
213 bfd_close_all_done (abfd);
217 for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
218 if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
220 bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
221 bfd_close_all_done (abfd);
229 /* Print a table showing which architectures are supported for entries
230 FIRST through LAST-1 of bfd_target_vector (targets across,
231 architectures down). */
234 display_info_table (int first, int last)
239 enum bfd_architecture a;
241 /* Print heading of target names. */
242 printf ("\n%*s", (int) LONGEST_ARCH, " ");
243 for (t = first; t < last && bfd_target_vector[t]; t++)
244 printf ("%s ", bfd_target_vector[t]->name);
247 dummy_name = make_temp_file (NULL);
248 for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
249 if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
251 printf ("%*s ", (int) LONGEST_ARCH - 1,
252 bfd_printable_arch_mach (a, 0));
253 for (t = first; t < last && bfd_target_vector[t]; t++)
255 const bfd_target *p = bfd_target_vector[t];
256 bfd_boolean ok = TRUE;
257 bfd *abfd = bfd_openw (dummy_name, p->name);
261 bfd_nonfatal (p->name);
268 if (! bfd_set_format (abfd, bfd_object))
270 if (bfd_get_error () != bfd_error_invalid_operation)
272 bfd_nonfatal (p->name);
281 if (! bfd_set_arch_mach (abfd, a, 0))
286 printf ("%s ", p->name);
289 int l = strlen (p->name);
295 bfd_close_all_done (abfd);
305 /* Print tables of all the target-architecture combinations that
306 BFD has been configured to support. */
309 display_target_tables (void)
317 colum = getenv ("COLUMNS");
319 columns = atoi (colum);
324 while (bfd_target_vector[t] != NULL)
328 wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
330 while (wid < columns && bfd_target_vector[t] != NULL)
334 newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
335 if (newwid >= columns)
340 if (! display_info_table (oldt, t))
350 printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
351 if (! display_target_list () || ! display_target_tables ())
357 /* Display the archive header for an element as if it were an ls -l listing:
359 Mode User\tGroup\tSize\tDate Name */
362 print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
368 if (bfd_stat_arch_elt (abfd, &buf) == 0)
372 time_t when = buf.st_mtime;
373 const char *ctime_result = (const char *) ctime (&when);
375 /* POSIX format: skip weekday and seconds from ctime output. */
376 sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
378 mode_string (buf.st_mode, modebuf);
380 /* POSIX 1003.2/D11 says to skip first character (entry type). */
381 fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1,
382 (long) buf.st_uid, (long) buf.st_gid,
383 (long) buf.st_size, timebuf);
387 fprintf (file, "%s\n", bfd_get_filename (abfd));
390 /* Return a path for a new temporary file in the same directory
394 template_in_dir (const char *path)
396 #define template "stXXXXXX"
397 char *slash = strrchr (path, '/');
401 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
403 /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
404 char *bslash = strrchr (path, '\\');
406 if (slash == NULL || (bslash != NULL && bslash > slash))
408 if (slash == NULL && path[0] != '\0' && path[1] == ':')
409 slash = filename + 1;
413 if (slash != (char *) NULL)
416 tmpname = xmalloc (len + sizeof (template) + 2);
417 memcpy (tmpname, path, len);
419 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
420 /* If tmpname is "X:", appending a slash will make it a root
421 directory on drive X, which is NOT the same as the current
422 directory on drive X. */
423 if (len == 2 && tmpname[1] == ':')
424 tmpname[len++] = '.';
426 tmpname[len++] = '/';
430 tmpname = xmalloc (sizeof (template));
434 memcpy (tmpname + len, template, sizeof (template));
439 /* Return the name of a created temporary file in the same directory
443 make_tempname (char *filename)
445 char *tmpname = template_in_dir (filename);
449 fd = mkstemp (tmpname);
451 tmpname = mktemp (tmpname);
454 fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
462 /* Return the name of a created temporary directory inside the
463 directory containing FILENAME. */
466 make_tempdir (char *filename)
468 char *tmpname = template_in_dir (filename);
471 return mkdtemp (tmpname);
473 tmpname = mktemp (tmpname);
476 #if defined (_WIN32) && !defined (__CYGWIN32__)
477 if (mkdir (tmpname) != 0)
480 if (mkdir (tmpname, 0700) != 0)
487 /* Parse a string into a VMA, with a fatal error if it can't be
491 parse_vma (const char *s, const char *arg)
496 ret = bfd_scan_vma (s, &end, 0);
499 fatal (_("%s: bad number: %s"), arg, s);
504 /* Returns the size of the named file. If the file does not
505 exist, or if it is not a real file, then a suitable non-fatal
506 error message is printed and zero is returned. */
509 get_file_size (const char * file_name)
513 if (stat (file_name, &statbuf) < 0)
516 non_fatal (_("'%s': No such file"), file_name);
518 non_fatal (_("Warning: could not locate '%s'. reason: %s"),
519 file_name, strerror (errno));
521 else if (! S_ISREG (statbuf.st_mode))
522 non_fatal (_("Warning: '%s' is not an ordinary file"), file_name);
524 return statbuf.st_size;
529 /* Return the filename in a static buffer. */
532 bfd_get_archive_filename (bfd *abfd)
534 static size_t curr = 0;
538 assert (abfd != NULL);
540 if (!abfd->my_archive)
541 return bfd_get_filename (abfd);
543 needed = (strlen (bfd_get_filename (abfd->my_archive))
544 + strlen (bfd_get_filename (abfd)) + 3);
549 curr = needed + (needed >> 1);
550 buf = bfd_malloc (curr);
551 /* If we can't malloc, fail safe by returning just the file name.
552 This function is only used when building error messages. */
556 return bfd_get_filename (abfd);
559 sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
560 bfd_get_filename (abfd));