/* bucomm.c -- Bin Utils COMmon code.
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002,
+ 2003, 2006, 2007
+ Free Software Foundation, Inc.
-This file is part of GNU Binutils.
+ This file is part of GNU Binutils.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* We might put this in a library someday so it could be dynamically
- loaded, but for now it's not necessary */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+\f
+/* We might put this in a library someday so it could be dynamically
+ loaded, but for now it's not necessary. */
-#include "bfd.h"
#include "sysdep.h"
-#include <varargs.h>
-
-char *target = NULL; /* default as late as possible */
-
-/* Yes, this is what atexit is for, but that isn't guaranteed yet.
- And yes, I know this isn't as good, but it does what is needed just fine */
-void (*exit_handler) ();
-
+#include "bfd.h"
+#include "libiberty.h"
+#include "filenames.h"
+#include "libbfd.h"
+#include <sys/stat.h>
+#include <time.h> /* ctime, maybe time_t */
+#include <assert.h>
+#include "bucomm.h"
+#ifndef HAVE_TIME_T_IN_TIME_H
+#ifndef HAVE_TIME_T_IN_TYPES_H
+typedef long time_t;
+#endif
+#endif
-/* Error reporting */
+static const char * endian_string (enum bfd_endian);
+static int display_target_list (void);
+static int display_info_table (int, int);
+static int display_target_tables (void);
+\f
+/* Error reporting. */
char *program_name;
void
-DEFUN(bfd_fatal,(string),
- char *string)
+bfd_nonfatal (const char *string)
{
- const char *errmsg = bfd_errmsg (bfd_error);
-
+ const char *errmsg = bfd_errmsg (bfd_get_error ());
+
if (string)
fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);
else
fprintf (stderr, "%s: %s\n", program_name, errmsg);
+}
- if (NULL != exit_handler) (*exit_handler) ();
- exit (1);
+void
+bfd_fatal (const char *string)
+{
+ bfd_nonfatal (string);
+ xexit (1);
}
-#if 0 /* !defined(NO_STDARG) */
void
-fatal (Format)
- const char *Format;
-{
- va_list args;
-
- va_start (args, Format);
- vfprintf (stderr, Format, args);
- va_end (args);
- (void) putc ('\n', stderr);
- if (NULL != exit_handler) (*exit_handler) ();
- exit (1);
+report (const char * format, va_list args)
+{
+ fprintf (stderr, "%s: ", program_name);
+ vfprintf (stderr, format, args);
+ putc ('\n', stderr);
+}
+
+void
+fatal VPARAMS ((const char *format, ...))
+{
+ VA_OPEN (args, format);
+ VA_FIXEDARG (args, const char *, format);
+
+ report (format, args);
+ VA_CLOSE (args);
+ xexit (1);
+}
+
+void
+non_fatal VPARAMS ((const char *format, ...))
+{
+ VA_OPEN (args, format);
+ VA_FIXEDARG (args, const char *, format);
+
+ report (format, args);
+ VA_CLOSE (args);
+}
+
+/* Set the default BFD target based on the configured target. Doing
+ this permits the binutils to be configured for a particular target,
+ and linked against a shared BFD library which was configured for a
+ different target. */
+
+void
+set_default_bfd_target (void)
+{
+ /* The macro TARGET is defined by Makefile. */
+ const char *target = TARGET;
+
+ if (! bfd_set_default_target (target))
+ fatal (_("can't set BFD default target to `%s': %s"),
+ target, bfd_errmsg (bfd_get_error ()));
+}
+
+/* After a FALSE return from bfd_check_format_matches with
+ bfd_get_error () == bfd_error_file_ambiguously_recognized, print
+ the possible matching targets. */
+
+void
+list_matching_formats (char **p)
+{
+ fprintf (stderr, _("%s: Matching formats:"), program_name);
+ while (*p)
+ fprintf (stderr, " %s", *p++);
+ fputc ('\n', stderr);
+}
+
+/* List the supported targets. */
+
+void
+list_supported_targets (const char *name, FILE *f)
+{
+ int t;
+ const char **targ_names = bfd_target_list ();
+
+ if (name == NULL)
+ fprintf (f, _("Supported targets:"));
+ else
+ fprintf (f, _("%s: supported targets:"), name);
+
+ for (t = 0; targ_names[t] != NULL; t++)
+ fprintf (f, " %s", targ_names[t]);
+ fprintf (f, "\n");
+ free (targ_names);
+}
+
+/* List the supported architectures. */
+
+void
+list_supported_architectures (const char *name, FILE *f)
+{
+ const char **arch;
+
+ if (name == NULL)
+ fprintf (f, _("Supported architectures:"));
+ else
+ fprintf (f, _("%s: supported architectures:"), name);
+
+ for (arch = bfd_arch_list (); *arch; arch++)
+ fprintf (f, " %s", *arch);
+ fprintf (f, "\n");
+}
+\f
+/* The length of the longest architecture name + 1. */
+#define LONGEST_ARCH sizeof ("powerpc:common")
+
+static const char *
+endian_string (enum bfd_endian endian)
+{
+ switch (endian)
+ {
+ case BFD_ENDIAN_BIG: return "big endian";
+ case BFD_ENDIAN_LITTLE: return "little endian";
+ default: return "endianness unknown";
+ }
+}
+
+/* List the targets that BFD is configured to support, each followed
+ by its endianness and the architectures it supports. */
+
+static int
+display_target_list (void)
+{
+ char *dummy_name;
+ int t;
+ int ret = 1;
+
+ dummy_name = make_temp_file (NULL);
+ for (t = 0; bfd_target_vector[t]; t++)
+ {
+ const bfd_target *p = bfd_target_vector[t];
+ bfd *abfd = bfd_openw (dummy_name, p->name);
+ enum bfd_architecture a;
+
+ printf ("%s\n (header %s, data %s)\n", p->name,
+ endian_string (p->header_byteorder),
+ endian_string (p->byteorder));
+
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (dummy_name);
+ ret = 0;
+ continue;
+ }
+
+ if (! bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ }
+ bfd_close_all_done (abfd);
+ continue;
+ }
+
+ for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
+ if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
+ printf (" %s\n",
+ bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
+ bfd_close_all_done (abfd);
+ }
+ unlink (dummy_name);
+ free (dummy_name);
+
+ return ret;
}
-#else
-void fatal (va_alist)
- va_dcl
-{
- char *Format;
- va_list args;
-
- va_start (args);
- Format = va_arg(args, char *);
- vfprintf (stderr, Format, args);
- va_end (args);
- (void) putc ('\n', stderr);
- if (NULL != exit_handler) (*exit_handler) ();
- exit (1);
-} /* fatal() */
-#endif
+/* Print a table showing which architectures are supported for entries
+ FIRST through LAST-1 of bfd_target_vector (targets across,
+ architectures down). */
+
+static int
+display_info_table (int first, int last)
+{
+ int t;
+ int ret = 1;
+ char *dummy_name;
+ enum bfd_architecture a;
+
+ /* Print heading of target names. */
+ printf ("\n%*s", (int) LONGEST_ARCH, " ");
+ for (t = first; t < last && bfd_target_vector[t]; t++)
+ printf ("%s ", bfd_target_vector[t]->name);
+ putchar ('\n');
+
+ dummy_name = make_temp_file (NULL);
+ for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
+ if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
+ {
+ printf ("%*s ", (int) LONGEST_ARCH - 1,
+ bfd_printable_arch_mach (a, 0));
+ for (t = first; t < last && bfd_target_vector[t]; t++)
+ {
+ const bfd_target *p = bfd_target_vector[t];
+ bfd_boolean ok = TRUE;
+ bfd *abfd = bfd_openw (dummy_name, p->name);
+
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ ok = FALSE;
+ }
+
+ if (ok)
+ {
+ if (! bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ }
+ ok = FALSE;
+ }
+ }
+
+ if (ok)
+ {
+ if (! bfd_set_arch_mach (abfd, a, 0))
+ ok = FALSE;
+ }
+
+ if (ok)
+ printf ("%s ", p->name);
+ else
+ {
+ int l = strlen (p->name);
+ while (l--)
+ putchar ('-');
+ putchar (' ');
+ }
+ if (abfd != NULL)
+ bfd_close_all_done (abfd);
+ }
+ putchar ('\n');
+ }
+ unlink (dummy_name);
+ free (dummy_name);
+
+ return ret;
+}
+
+/* Print tables of all the target-architecture combinations that
+ BFD has been configured to support. */
+
+static int
+display_target_tables (void)
+{
+ int t;
+ int columns;
+ int ret = 1;
+ char *colum;
+
+ columns = 0;
+ colum = getenv ("COLUMNS");
+ if (colum != NULL)
+ columns = atoi (colum);
+ if (columns == 0)
+ columns = 80;
+
+ t = 0;
+ while (bfd_target_vector[t] != NULL)
+ {
+ int oldt = t, wid;
+
+ wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
+ ++t;
+ while (wid < columns && bfd_target_vector[t] != NULL)
+ {
+ int newwid;
+
+ newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
+ if (newwid >= columns)
+ break;
+ wid = newwid;
+ ++t;
+ }
+ if (! display_info_table (oldt, t))
+ ret = 0;
+ }
+
+ return ret;
+}
+
+int
+display_info (void)
+{
+ printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
+ if (! display_target_list () || ! display_target_tables ())
+ return 1;
+ else
+ return 0;
+}
\f
-/** Display the archive header for an element as if it were an ls -l listing */
+/* Display the archive header for an element as if it were an ls -l listing:
-/* Mode User\tGroup\tSize\tDate Name */
+ Mode User\tGroup\tSize\tDate Name */
void
-DEFUN(print_arelt_descr,(file, abfd, verbose),
- FILE *file AND
- bfd *abfd AND
- boolean verbose)
+print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
{
- void mode_string ();
struct stat buf;
- if (verbose) {
-
- if (bfd_stat_arch_elt (abfd, &buf) == 0) { /* if not, huh? */
- char modebuf[11];
- char timebuf[40];
- long when = buf.st_mtime;
- CONST char *ctime_result = (CONST char *)ctime (&when);
+ if (verbose)
+ {
+ if (bfd_stat_arch_elt (abfd, &buf) == 0)
+ {
+ char modebuf[11];
+ char timebuf[40];
+ time_t when = buf.st_mtime;
+ const char *ctime_result = (const char *) ctime (&when);
- /* Posix format: skip weekday and seconds from ctime output. */
- sprintf(timebuf, "%.12s %.4s", ctime_result+4, ctime_result+20);
+ /* POSIX format: skip weekday and seconds from ctime output. */
+ sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
- mode_string (buf.st_mode, modebuf);
- modebuf[10] = '\0';
- /* Posix 1003.2/D11 says to skip first character (entry type). */
- fprintf (file, "%s %d/%d %6ld %s ", modebuf+1, buf.st_uid, buf.st_gid, buf.st_size, timebuf);
+ mode_string (buf.st_mode, modebuf);
+ modebuf[10] = '\0';
+ /* POSIX 1003.2/D11 says to skip first character (entry type). */
+ fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1,
+ (long) buf.st_uid, (long) buf.st_gid,
+ (long) buf.st_size, timebuf);
+ }
}
+
+ fprintf (file, "%s\n", bfd_get_filename (abfd));
+}
+
+/* Return a path for a new temporary file in the same directory
+ as file PATH. */
+
+static char *
+template_in_dir (const char *path)
+{
+#define template "stXXXXXX"
+ const char *slash = strrchr (path, '/');
+ char *tmpname;
+ size_t len;
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ {
+ /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
+ char *bslash = strrchr (path, '\\');
+
+ if (slash == NULL || (bslash != NULL && bslash > slash))
+ slash = bslash;
+ if (slash == NULL && path[0] != '\0' && path[1] == ':')
+ slash = path + 1;
}
+#endif
+
+ if (slash != (char *) NULL)
+ {
+ len = slash - path;
+ tmpname = xmalloc (len + sizeof (template) + 2);
+ memcpy (tmpname, path, len);
- fprintf (file, "%s\n",abfd->filename);
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ /* If tmpname is "X:", appending a slash will make it a root
+ directory on drive X, which is NOT the same as the current
+ directory on drive X. */
+ if (len == 2 && tmpname[1] == ':')
+ tmpname[len++] = '.';
+#endif
+ tmpname[len++] = '/';
+ }
+ else
+ {
+ tmpname = xmalloc (sizeof (template));
+ len = 0;
+ }
+
+ memcpy (tmpname + len, template, sizeof (template));
+ return tmpname;
+#undef template
}
-/* Like malloc but get fatal error if memory is exhausted. */
+/* Return the name of a created temporary file in the same directory
+ as FILENAME. */
+
char *
-xmalloc (size)
- unsigned size;
+make_tempname (char *filename)
{
- register char *result = malloc (size);
- if (result == (char *) NULL && size != 0) {
- fatal ("virtual memory exhausted");
- }
+ char *tmpname = template_in_dir (filename);
+ int fd;
- return result;
+#ifdef HAVE_MKSTEMP
+ fd = mkstemp (tmpname);
+#else
+ tmpname = mktemp (tmpname);
+ if (tmpname == NULL)
+ return NULL;
+ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
+#endif
+ if (fd == -1)
+ return NULL;
+ close (fd);
+ return tmpname;
}
-/* Like realloc but get fatal error if memory is exhausted. */
+/* Return the name of a created temporary directory inside the
+ directory containing FILENAME. */
+
char *
-xrealloc (ptr, size)
- char *ptr;
- unsigned size;
+make_tempdir (char *filename)
{
- register char *result = realloc (ptr, size);
- if (result == 0 && size != 0) {
- fatal ("virtual memory exhausted");
- }
+ char *tmpname = template_in_dir (filename);
+
+#ifdef HAVE_MKDTEMP
+ return mkdtemp (tmpname);
+#else
+ tmpname = mktemp (tmpname);
+ if (tmpname == NULL)
+ return NULL;
+#if defined (_WIN32) && !defined (__CYGWIN32__)
+ if (mkdir (tmpname) != 0)
+ return NULL;
+#else
+ if (mkdir (tmpname, 0700) != 0)
+ return NULL;
+#endif
+ return tmpname;
+#endif
+}
+
+/* Parse a string into a VMA, with a fatal error if it can't be
+ parsed. */
+
+bfd_vma
+parse_vma (const char *s, const char *arg)
+{
+ bfd_vma ret;
+ const char *end;
- return result;
+ ret = bfd_scan_vma (s, &end, 0);
+
+ if (*end != '\0')
+ fatal (_("%s: bad number: %s"), arg, s);
+
+ return ret;
+}
+
+/* Returns the size of the named file. If the file does not
+ exist, or if it is not a real file, then a suitable non-fatal
+ error message is printed and zero is returned. */
+
+off_t
+get_file_size (const char * file_name)
+{
+ struct stat statbuf;
+
+ if (stat (file_name, &statbuf) < 0)
+ {
+ if (errno == ENOENT)
+ non_fatal (_("'%s': No such file"), file_name);
+ else
+ non_fatal (_("Warning: could not locate '%s'. reason: %s"),
+ file_name, strerror (errno));
+ }
+ else if (! S_ISREG (statbuf.st_mode))
+ non_fatal (_("Warning: '%s' is not an ordinary file"), file_name);
+ else
+ return statbuf.st_size;
+
+ return 0;
+}
+
+/* Return the filename in a static buffer. */
+
+const char *
+bfd_get_archive_filename (bfd *abfd)
+{
+ static size_t curr = 0;
+ static char *buf;
+ size_t needed;
+
+ assert (abfd != NULL);
+
+ if (!abfd->my_archive)
+ return bfd_get_filename (abfd);
+
+ needed = (strlen (bfd_get_filename (abfd->my_archive))
+ + strlen (bfd_get_filename (abfd)) + 3);
+ if (needed > curr)
+ {
+ if (curr)
+ free (buf);
+ curr = needed + (needed >> 1);
+ buf = bfd_malloc (curr);
+ /* If we can't malloc, fail safe by returning just the file name.
+ This function is only used when building error messages. */
+ if (!buf)
+ {
+ curr = 0;
+ return bfd_get_filename (abfd);
+ }
+ }
+ sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
+ bfd_get_filename (abfd));
+ return buf;
}
projects / thirdparty / binutils-gdb.git / blobdiff