1 /* bucomm.c -- Bin Utils COMmon code.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003, 2006
3 Free Software Foundation, Inc.
5 This file is part of GNU Binutils.
7 This program 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 of the License, or
10 (at your option) any later version.
12 This program 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 this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
22 /* We might put this in a library someday so it could be dynamically
23 loaded, but for now it's not necessary. */
27 #include "libiberty.h"
29 #include "filenames.h"
33 #include <time.h> /* ctime, maybe time_t */
36 #ifndef HAVE_TIME_T_IN_TIME_H
37 #ifndef HAVE_TIME_T_IN_TYPES_H
42 static const char * endian_string (enum bfd_endian);
43 static int display_target_list (void);
44 static int display_info_table (int, int);
45 static int display_target_tables (void);
47 /* Error reporting. */
52 bfd_nonfatal (const char *string)
54 const char *errmsg = bfd_errmsg (bfd_get_error ());
57 fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);
59 fprintf (stderr, "%s: %s\n", program_name, errmsg);
63 bfd_fatal (const char *string)
65 bfd_nonfatal (string);
70 report (const char * format, va_list args)
72 fprintf (stderr, "%s: ", program_name);
73 vfprintf (stderr, format, args);
78 fatal VPARAMS ((const char *format, ...))
80 VA_OPEN (args, format);
81 VA_FIXEDARG (args, const char *, format);
83 report (format, args);
89 non_fatal VPARAMS ((const char *format, ...))
91 VA_OPEN (args, format);
92 VA_FIXEDARG (args, const char *, format);
94 report (format, args);
98 /* Set the default BFD target based on the configured target. Doing
99 this permits the binutils to be configured for a particular target,
100 and linked against a shared BFD library which was configured for a
104 set_default_bfd_target (void)
106 /* The macro TARGET is defined by Makefile. */
107 const char *target = TARGET;
109 if (! bfd_set_default_target (target))
110 fatal (_("can't set BFD default target to `%s': %s"),
111 target, bfd_errmsg (bfd_get_error ()));
114 /* After a FALSE return from bfd_check_format_matches with
115 bfd_get_error () == bfd_error_file_ambiguously_recognized, print
116 the possible matching targets. */
119 list_matching_formats (char **p)
121 fprintf (stderr, _("%s: Matching formats:"), program_name);
123 fprintf (stderr, " %s", *p++);
124 fputc ('\n', stderr);
127 /* List the supported targets. */
130 list_supported_targets (const char *name, FILE *f)
133 const char **targ_names = bfd_target_list ();
136 fprintf (f, _("Supported targets:"));
138 fprintf (f, _("%s: supported targets:"), name);
140 for (t = 0; targ_names[t] != NULL; t++)
141 fprintf (f, " %s", targ_names[t]);
146 /* List the supported architectures. */
149 list_supported_architectures (const char *name, FILE *f)
154 fprintf (f, _("Supported architectures:"));
156 fprintf (f, _("%s: supported architectures:"), name);
158 for (arch = bfd_arch_list (); *arch; arch++)
159 fprintf (f, " %s", *arch);
163 /* The length of the longest architecture name + 1. */
164 #define LONGEST_ARCH sizeof ("powerpc:common")
167 endian_string (enum bfd_endian endian)
171 case BFD_ENDIAN_BIG: return "big endian";
172 case BFD_ENDIAN_LITTLE: return "little endian";
173 default: return "endianness unknown";
177 /* List the targets that BFD is configured to support, each followed
178 by its endianness and the architectures it supports. */
181 display_target_list (void)
187 dummy_name = make_temp_file (NULL);
188 for (t = 0; bfd_target_vector[t]; t++)
190 const bfd_target *p = bfd_target_vector[t];
191 bfd *abfd = bfd_openw (dummy_name, p->name);
192 enum bfd_architecture a;
194 printf ("%s\n (header %s, data %s)\n", p->name,
195 endian_string (p->header_byteorder),
196 endian_string (p->byteorder));
200 bfd_nonfatal (dummy_name);
205 if (! bfd_set_format (abfd, bfd_object))
207 if (bfd_get_error () != bfd_error_invalid_operation)
209 bfd_nonfatal (p->name);
212 bfd_close_all_done (abfd);
216 for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
217 if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
219 bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
220 bfd_close_all_done (abfd);
228 /* Print a table showing which architectures are supported for entries
229 FIRST through LAST-1 of bfd_target_vector (targets across,
230 architectures down). */
233 display_info_table (int first, int last)
238 enum bfd_architecture a;
240 /* Print heading of target names. */
241 printf ("\n%*s", (int) LONGEST_ARCH, " ");
242 for (t = first; t < last && bfd_target_vector[t]; t++)
243 printf ("%s ", bfd_target_vector[t]->name);
246 dummy_name = make_temp_file (NULL);
247 for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
248 if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
250 printf ("%*s ", (int) LONGEST_ARCH - 1,
251 bfd_printable_arch_mach (a, 0));
252 for (t = first; t < last && bfd_target_vector[t]; t++)
254 const bfd_target *p = bfd_target_vector[t];
255 bfd_boolean ok = TRUE;
256 bfd *abfd = bfd_openw (dummy_name, p->name);
260 bfd_nonfatal (p->name);
267 if (! bfd_set_format (abfd, bfd_object))
269 if (bfd_get_error () != bfd_error_invalid_operation)
271 bfd_nonfatal (p->name);
280 if (! bfd_set_arch_mach (abfd, a, 0))
285 printf ("%s ", p->name);
288 int l = strlen (p->name);
294 bfd_close_all_done (abfd);
304 /* Print tables of all the target-architecture combinations that
305 BFD has been configured to support. */
308 display_target_tables (void)
316 colum = getenv ("COLUMNS");
318 columns = atoi (colum);
323 while (bfd_target_vector[t] != NULL)
327 wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
329 while (wid < columns && bfd_target_vector[t] != NULL)
333 newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
334 if (newwid >= columns)
339 if (! display_info_table (oldt, t))
349 printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
350 if (! display_target_list () || ! display_target_tables ())
356 /* Display the archive header for an element as if it were an ls -l listing:
358 Mode User\tGroup\tSize\tDate Name */
361 print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
367 if (bfd_stat_arch_elt (abfd, &buf) == 0)
371 time_t when = buf.st_mtime;
372 const char *ctime_result = (const char *) ctime (&when);
374 /* POSIX format: skip weekday and seconds from ctime output. */
375 sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
377 mode_string (buf.st_mode, modebuf);
379 /* POSIX 1003.2/D11 says to skip first character (entry type). */
380 fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1,
381 (long) buf.st_uid, (long) buf.st_gid,
382 (long) buf.st_size, timebuf);
386 fprintf (file, "%s\n", bfd_get_filename (abfd));
389 /* Return the name of a created temporary file in the same directory as FILENAME. */
392 make_tempname (char *filename)
394 #if defined(HAVE_MKSTEMP)
395 static char template[] = "stXXXXXXXXXX";
398 static char template[] = "stXXXXXX";
401 char *slash = strrchr (filename, '/');
403 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
405 /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
406 char *bslash = strrchr (filename, '\\');
408 if (slash == NULL || (bslash != NULL && bslash > slash))
410 if (slash == NULL && filename[0] != '\0' && filename[1] == ':')
411 slash = filename + 1;
415 if (slash != (char *) NULL)
421 tmpname = xmalloc (strlen (filename) + sizeof (template) + 2);
422 strcpy (tmpname, filename);
423 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
424 /* If tmpname is "X:", appending a slash will make it a root
425 directory on drive X, which is NOT the same as the current
426 directory on drive X. */
427 if (tmpname[1] == ':' && tmpname[2] == '\0')
428 strcat (tmpname, ".");
430 strcat (tmpname, "/");
431 strcat (tmpname, template);
432 #if defined(HAVE_MKSTEMP)
433 fd = mkstemp (tmpname);
441 tmpname = xmalloc (sizeof (template));
442 strcpy (tmpname, template);
443 #if defined(HAVE_MKSTEMP)
444 fd = mkstemp (tmpname);
447 #if defined(HAVE_MKSTEMP)
455 #if defined(HAVE_MKDTEMP)
456 /* Return the name of a created temporary directory inside the directory containing FILENAME. */
459 make_tempdir (char *filename)
461 static char template[] = "stXXXXXXXXXX";
463 char *slash = strrchr (filename, '/');
465 if (slash != (char *) NULL)
471 tmpname = xmalloc (strlen (filename) + sizeof (template) + 1);
472 strcpy (tmpname, filename);
473 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
474 /* If tmpname is "X:", appending a slash will make it a root
475 directory on drive X, which is NOT the same as the current
476 directory on drive X. */
477 if (tmpname[1] == ':' && tmpname[2] == '\0')
478 strcat (tmpname, ".");
480 strcat (tmpname, "/");
481 strcat (tmpname, template);
487 tmpname = xmalloc (sizeof (template));
488 strcpy (tmpname, template);
493 #endif /* HAVE_MKDTEMP */
495 /* Parse a string into a VMA, with a fatal error if it can't be
499 parse_vma (const char *s, const char *arg)
504 ret = bfd_scan_vma (s, &end, 0);
507 fatal (_("%s: bad number: %s"), arg, s);
512 /* Returns the size of the named file. If the file does not
513 exist, or if it is not a real file, then a suitable non-fatal
514 error message is printed and zero is returned. */
517 get_file_size (const char * file_name)
521 if (stat (file_name, &statbuf) < 0)
524 non_fatal (_("'%s': No such file"), file_name);
526 non_fatal (_("Warning: could not locate '%s'. reason: %s"),
527 file_name, strerror (errno));
529 else if (! S_ISREG (statbuf.st_mode))
530 non_fatal (_("Warning: '%s' is not an ordinary file"), file_name);
532 return statbuf.st_size;
537 /* Return the filename in a static buffer. */
540 bfd_get_archive_filename (bfd *abfd)
542 static size_t curr = 0;
546 assert (abfd != NULL);
548 if (!abfd->my_archive)
549 return bfd_get_filename (abfd);
551 needed = (strlen (bfd_get_filename (abfd->my_archive))
552 + strlen (bfd_get_filename (abfd)) + 3);
557 curr = needed + (needed >> 1);
558 buf = bfd_malloc (curr);
559 /* If we can't malloc, fail safe by returning just the file name.
560 This function is only used when building error messages. */
564 return bfd_get_filename (abfd);
567 sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
568 bfd_get_filename (abfd));