mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-24 18:44:20 +08:00
478 lines
11 KiB
C
478 lines
11 KiB
C
/* bucomm.c -- Bin Utils COMmon code.
|
||
Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003
|
||
Free Software Foundation, Inc.
|
||
|
||
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 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., 59 Temple Place - Suite 330, Boston, MA
|
||
02111-1307, USA. */
|
||
|
||
/* 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 "bfdver.h"
|
||
#include "libiberty.h"
|
||
#include "bucomm.h"
|
||
#include "filenames.h"
|
||
#include "libbfd.h"
|
||
|
||
#include <sys/stat.h>
|
||
#include <time.h> /* ctime, maybe time_t */
|
||
|
||
#ifndef HAVE_TIME_T_IN_TIME_H
|
||
#ifndef HAVE_TIME_T_IN_TYPES_H
|
||
typedef long time_t;
|
||
#endif
|
||
#endif
|
||
|
||
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);
|
||
|
||
/* Error reporting. */
|
||
|
||
char *program_name;
|
||
|
||
void
|
||
bfd_nonfatal (const char *string)
|
||
{
|
||
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);
|
||
}
|
||
|
||
void
|
||
bfd_fatal (const char *string)
|
||
{
|
||
bfd_nonfatal (string);
|
||
xexit (1);
|
||
}
|
||
|
||
void
|
||
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");
|
||
}
|
||
|
||
/* 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);
|
||
int 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 = (int) bfd_arch_obscure + 1; a < (int) 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;
|
||
}
|
||
|
||
/* 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 a;
|
||
int ret = 1;
|
||
char *dummy_name;
|
||
|
||
/* 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 = (int) bfd_arch_obscure + 1; a < (int) 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;
|
||
}
|
||
|
||
/* Display the archive header for an element as if it were an ls -l listing:
|
||
|
||
Mode User\tGroup\tSize\tDate Name */
|
||
|
||
void
|
||
print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
|
||
{
|
||
struct stat buf;
|
||
|
||
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);
|
||
|
||
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 the name of a temporary file in the same directory as FILENAME. */
|
||
|
||
char *
|
||
make_tempname (char *filename)
|
||
{
|
||
static char template[] = "stXXXXXX";
|
||
char *tmpname;
|
||
char *slash = strrchr (filename, '/');
|
||
|
||
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
||
{
|
||
/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
|
||
char *bslash = strrchr (filename, '\\');
|
||
if (slash == NULL || (bslash != NULL && bslash > slash))
|
||
slash = bslash;
|
||
if (slash == NULL && filename[0] != '\0' && filename[1] == ':')
|
||
slash = filename + 1;
|
||
}
|
||
#endif
|
||
|
||
if (slash != (char *) NULL)
|
||
{
|
||
char c;
|
||
|
||
c = *slash;
|
||
*slash = 0;
|
||
tmpname = xmalloc (strlen (filename) + sizeof (template) + 2);
|
||
strcpy (tmpname, 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 (tmpname[1] == ':' && tmpname[2] == '\0')
|
||
strcat (tmpname, ".");
|
||
#endif
|
||
strcat (tmpname, "/");
|
||
strcat (tmpname, template);
|
||
mktemp (tmpname);
|
||
*slash = c;
|
||
}
|
||
else
|
||
{
|
||
tmpname = xmalloc (sizeof (template));
|
||
strcpy (tmpname, template);
|
||
mktemp (tmpname);
|
||
}
|
||
return tmpname;
|
||
}
|
||
|
||
/* 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;
|
||
|
||
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;
|
||
}
|