/* BFD back-end for archive files (libraries).
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004
+ 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Written by Cygnus Support. Mostly Gumby Henkel-Wallace's fault.
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/*
@setfilename archive-info
Archives are supported in BFD in <<archive.c>>.
+SUBSECTION
+ Archive functions
*/
/* Assumes:
Regular files with long names (or embedded spaces, for BSD variants):
"/18 " - SVR4 style, name at offset 18 in name table.
- "#1/23 " - Long name (or embedded paces) 23 characters long,
+ "#1/23 " - Long name (or embedded spaces) 23 characters long,
BSD 4.4 style, full name follows header.
Implemented for reading, not writing.
" 18 " - Long name 18 characters long, extended pseudo-BSD.
#include "bfd.h"
#include "sysdep.h"
+#include "libiberty.h"
#include "libbfd.h"
#include "aout/ar.h"
#include "aout/ranlib.h"
#include "safe-ctype.h"
+#include "hashtab.h"
#ifndef errno
extern int errno;
#endif
-#ifdef GNU960
-#define BFD_GNU960_ARMAG(abfd) (BFD_COFF_FILE_P((abfd)) ? ARMAG : ARMAGB)
-#endif
-
/* We keep a cache of archive filepointers to archive elements to
speed up searching the archive by filepos. We only add an entry to
the cache when we actually read one. We also don't sort the cache;
to the front of the contents! */
struct ar_cache {
file_ptr ptr;
- bfd *arelt;
- struct ar_cache *next;
+ bfd *arbfd;
};
#define ar_padchar(abfd) ((abfd)->xvec->ar_pad_char)
#define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data))
#define arch_hdr(bfd) ((struct ar_hdr *) arch_eltdata(bfd)->arch_header)
-
+\f
+void
+_bfd_ar_spacepad (char *p, size_t n, const char *fmt, long val)
+{
+ static char buf[20];
+ size_t len;
+ snprintf (buf, sizeof (buf), fmt, val);
+ len = strlen (buf);
+ if (len < n)
+ {
+ memcpy (p, buf, len);
+ memset (p + len, ' ', n - len);
+ }
+ else
+ memcpy (p, buf, n);
+}
\f
bfd_boolean
_bfd_generic_mkarchive (bfd *abfd)
if (bfd_ardata (abfd) == NULL)
return FALSE;
- bfd_ardata (abfd)->cache = NULL;
- bfd_ardata (abfd)->archive_head = NULL;
- bfd_ardata (abfd)->symdefs = NULL;
- bfd_ardata (abfd)->extended_names = NULL;
- bfd_ardata (abfd)->tdata = NULL;
+ /* Already cleared by bfd_zalloc above.
+ bfd_ardata (abfd)->cache = NULL;
+ bfd_ardata (abfd)->archive_head = NULL;
+ bfd_ardata (abfd)->symdefs = NULL;
+ bfd_ardata (abfd)->extended_names = NULL;
+ bfd_ardata (abfd)->extended_names_size = 0;
+ bfd_ardata (abfd)->tdata = NULL; */
return TRUE;
}
bfd *
_bfd_look_for_bfd_in_cache (bfd *arch_bfd, file_ptr filepos)
{
- struct ar_cache *current;
+ htab_t hash_table = bfd_ardata (arch_bfd)->cache;
+ struct ar_cache m;
+ m.ptr = filepos;
- for (current = bfd_ardata (arch_bfd)->cache; current != NULL;
- current = current->next)
- if (current->ptr == filepos)
- return current->arelt;
+ if (hash_table)
+ {
+ struct ar_cache *entry = (struct ar_cache *) htab_find (hash_table, &m);
+ if (!entry)
+ return NULL;
+ else
+ return entry->arbfd;
+ }
+ else
+ return NULL;
+}
- return NULL;
+static hashval_t
+hash_file_ptr (const PTR p)
+{
+ return (hashval_t) (((struct ar_cache *) p)->ptr);
+}
+
+/* Returns non-zero if P1 and P2 are equal. */
+
+static int
+eq_file_ptr (const PTR p1, const PTR p2)
+{
+ struct ar_cache *arc1 = (struct ar_cache *) p1;
+ struct ar_cache *arc2 = (struct ar_cache *) p2;
+ return arc1->ptr == arc2->ptr;
}
/* Kind of stupid to call cons for each one, but we don't do too many. */
bfd_boolean
_bfd_add_bfd_to_archive_cache (bfd *arch_bfd, file_ptr filepos, bfd *new_elt)
{
- bfd_size_type amt = sizeof (struct ar_cache);
-
- struct ar_cache *new_cache = bfd_zalloc (arch_bfd, amt);
- if (new_cache == NULL)
- return FALSE;
+ struct ar_cache *cache;
+ htab_t hash_table = bfd_ardata (arch_bfd)->cache;
- new_cache->ptr = filepos;
- new_cache->arelt = new_elt;
- new_cache->next = NULL;
- if (bfd_ardata (arch_bfd)->cache == NULL)
- bfd_ardata (arch_bfd)->cache = new_cache;
- else
+ /* If the hash table hasn't been created, create it. */
+ if (hash_table == NULL)
{
- struct ar_cache *current = bfd_ardata (arch_bfd)->cache;
-
- while (current->next != NULL)
- current = current->next;
- current->next = new_cache;
+ hash_table = htab_create_alloc (16, hash_file_ptr, eq_file_ptr,
+ NULL, calloc, free);
+ if (hash_table == NULL)
+ return FALSE;
+ bfd_ardata (arch_bfd)->cache = hash_table;
}
+ /* Insert new_elt into the hash table by filepos. */
+ cache = bfd_zalloc (arch_bfd, sizeof (struct ar_cache));
+ cache->ptr = filepos;
+ cache->arbfd = new_elt;
+ *htab_find_slot (hash_table, (const void *) cache, INSERT) = cache;
+
return TRUE;
}
\f
errno = 0;
/* Skip first char, which is '/' in SVR4 or ' ' in some other variants. */
index = strtol (name + 1, NULL, 10);
- if (errno != 0)
+ if (errno != 0 || index >= bfd_ardata (arch)->extended_names_size)
{
bfd_set_error (bfd_error_malformed_archive);
return NULL;
{
filename = get_extended_arelt_filename (abfd, hdr.ar_name);
if (filename == NULL)
- {
- bfd_set_error (bfd_error_malformed_archive);
- return NULL;
- }
+ return NULL;
}
/* BSD4.4-style long filename.
Only implemented for reading, so far! */
return NULL;
}
-#ifdef GNU960
- if (strncmp (armag, BFD_GNU960_ARMAG (abfd), SARMAG) != 0)
- return 0;
-#else
if (strncmp (armag, ARMAG, SARMAG) != 0 &&
strncmp (armag, ARMAGB, SARMAG) != 0)
return 0;
-#endif
tdata_hold = bfd_ardata (abfd);
}
bfd_ardata (abfd)->first_file_filepos = SARMAG;
- bfd_ardata (abfd)->cache = NULL;
- bfd_ardata (abfd)->archive_head = NULL;
- bfd_ardata (abfd)->symdefs = NULL;
- bfd_ardata (abfd)->extended_names = NULL;
- bfd_ardata (abfd)->tdata = NULL;
+ /* Cleared by bfd_zalloc above.
+ bfd_ardata (abfd)->cache = NULL;
+ bfd_ardata (abfd)->archive_head = NULL;
+ bfd_ardata (abfd)->symdefs = NULL;
+ bfd_ardata (abfd)->extended_names = NULL;
+ bfd_ardata (abfd)->extended_names_size = 0;
+ bfd_ardata (abfd)->tdata = NULL; */
if (!BFD_SEND (abfd, _bfd_slurp_armap, (abfd))
|| !BFD_SEND (abfd, _bfd_slurp_extended_name_table, (abfd)))
first = bfd_openr_next_archived_file (abfd, NULL);
if (first != NULL)
{
- bfd_boolean fail;
-
first->target_defaulted = FALSE;
- fail = FALSE;
if (bfd_check_format (first, bfd_object)
&& first->xvec != abfd->xvec)
{
-#if 0
- /* We ought to close `first' here, but we can't, because
- we have no way to remove it from the archive cache.
- It's close to impossible to figure out when we can
- release bfd_ardata. FIXME. */
- bfd_close (first);
- bfd_release (abfd, bfd_ardata (abfd));
-#endif
bfd_set_error (bfd_error_wrong_object_format);
bfd_ardata (abfd) = tdata_hold;
return NULL;
nsymz = bfd_getb32 (int_buf);
stringsize = parsed_size - (4 * nsymz) - 4;
-#if 1
/* ... except that some archive formats are broken, and it may be our
fault - the i960 little endian coff sometimes has big and sometimes
little, because our tools changed. Here's a horrible hack to clean
stringsize = parsed_size - (4 * nsymz) - 4;
swap = bfd_getl32;
}
-#endif
/* The coff armap must be read sequentially. So we construct a
bsd-style one in core all at once, for simplicity. */
+ if (nsymz > ~ (bfd_size_type) 0 / sizeof (carsym))
+ return FALSE;
+
carsym_size = (nsymz * sizeof (carsym));
ptrsize = (4 * nsymz);
+ if (carsym_size + stringsize + 1 <= carsym_size)
+ return FALSE;
+
ardata->symdefs = bfd_zalloc (abfd, carsym_size + stringsize + 1);
if (ardata->symdefs == NULL)
return FALSE;
if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
return FALSE;
- if (!strncmp (nextname, "__.SYMDEF ", 16)
- || !strncmp (nextname, "__.SYMDEF/ ", 16)) /* old Linux archives */
+ if (CONST_STRNEQ (nextname, "__.SYMDEF ")
+ || CONST_STRNEQ (nextname, "__.SYMDEF/ ")) /* Old Linux archives. */
return do_slurp_bsd_armap (abfd);
- else if (!strncmp (nextname, "/ ", 16))
+ else if (CONST_STRNEQ (nextname, "/ "))
return do_slurp_coff_armap (abfd);
- else if (!strncmp (nextname, "/SYM64/ ", 16))
+ else if (CONST_STRNEQ (nextname, "/SYM64/ "))
{
/* 64bit ELF (Irix 6) archive. */
#ifdef BFD64
if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
return FALSE;
- if (!strncmp (nextname, "__.SYMDEF ", 16)
- || !strncmp (nextname, "__.SYMDEF/ ", 16)) /* Old Linux archives. */
+ if (CONST_STRNEQ (nextname, "__.SYMDEF ")
+ || CONST_STRNEQ (nextname, "__.SYMDEF/ ")) /* Old Linux archives. */
return do_slurp_bsd_armap (abfd);
- if (strncmp (nextname, "/ ", 16))
+ if (! CONST_STRNEQ (nextname, "/ "))
{
bfd_has_map (abfd) = FALSE;
return TRUE;
if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
return FALSE;
- if (strncmp (nextname, "ARFILENAMES/ ", 16) != 0 &&
- strncmp (nextname, "// ", 16) != 0)
+ if (! CONST_STRNEQ (nextname, "ARFILENAMES/ ")
+ && ! CONST_STRNEQ (nextname, "// "))
{
bfd_ardata (abfd)->extended_names = NULL;
+ bfd_ardata (abfd)->extended_names_size = 0;
return TRUE;
}
return FALSE;
amt = namedata->parsed_size;
- bfd_ardata (abfd)->extended_names = bfd_zalloc (abfd, amt);
+ if (amt + 1 == 0)
+ goto byebye;
+
+ bfd_ardata (abfd)->extended_names_size = amt;
+ bfd_ardata (abfd)->extended_names = bfd_zalloc (abfd, amt + 1);
if (bfd_ardata (abfd)->extended_names == NULL)
{
byebye:
trailing '/'. DOS/NT created archive often have \ in them
We'll fix all problems here.. */
{
- char *temp = bfd_ardata (abfd)->extended_names;
+ char *ext_names = bfd_ardata (abfd)->extended_names;
+ char *temp = ext_names;
char *limit = temp + namedata->parsed_size;
for (; temp < limit; ++temp)
{
if (*temp == '\012')
- temp[temp[-1] == '/' ? -1 : 0] = '\0';
+ temp[temp > ext_names && temp[-1] == '/' ? -1 : 0] = '\0';
if (*temp == '\\')
*temp = '/';
}
+ *limit = '\0';
}
/* Pad to an even boundary if you have to. */
/* FIXME, we can't release namedata here because it was allocated
below extended_names on the objalloc... */
-#if 0
- bfd_release (abfd, namedata);
-#endif
}
return TRUE;
}
strptr[thislen + 1] = '\012';
}
hdr->ar_name[0] = ar_padchar (current);
- /* We know there will always be enough room (one of the few
- cases where you may safely use sprintf). */
- sprintf ((hdr->ar_name) + 1, "%-d", (unsigned) (strptr - *tabloc));
- /* Kinda Kludgy. We should just use the returned value of
- sprintf but not all implementations get this right. */
- {
- char *temp = hdr->ar_name + 2;
- for (; temp < hdr->ar_name + maxname; temp++)
- if (*temp == '\0')
- *temp = ' ';
- }
+ _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld",
+ strptr - *tabloc);
strptr += thislen + 1;
if (trailing_slash)
++strptr;
str[5] = '@' + (id & 3);
id >>= 2;
- for (cnt = 4; cnt >= 0; ++cnt, id >>= 6)
+ for (cnt = 4; cnt >= 0; --cnt, id >>= 6)
str[cnt] = ' ' + (id & 0x3f);
}
#endif /* HPUX_LARGE_AR_IDS */
struct stat status;
struct areltdata *ared;
struct ar_hdr *hdr;
- char *temp, *temp1;
bfd_size_type amt;
if (member && (member->flags & BFD_IN_MEMORY) != 0)
/* ar headers are space padded, not null padded! */
memset (hdr, ' ', sizeof (struct ar_hdr));
- strncpy (hdr->ar_fmag, ARFMAG, 2);
-
- /* Goddamned sprintf doesn't permit MAXIMUM field lengths. */
- sprintf ((hdr->ar_date), "%-12ld", (long) status.st_mtime);
+ _bfd_ar_spacepad (hdr->ar_date, sizeof (hdr->ar_date), "%-12ld",
+ status.st_mtime);
#ifdef HPUX_LARGE_AR_IDS
/* HP has a very "special" way to handle UID/GID's with numeric values
> 99999. */
if (status.st_uid > 99999)
- hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_uid);
+ hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_uid);
else
#endif
- sprintf ((hdr->ar_uid), "%ld", (long) status.st_uid);
+ _bfd_ar_spacepad (hdr->ar_uid, sizeof (hdr->ar_uid), "%ld",
+ status.st_uid);
#ifdef HPUX_LARGE_AR_IDS
/* HP has a very "special" way to handle UID/GID's with numeric values
> 99999. */
if (status.st_gid > 99999)
- hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_gid);
+ hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_gid);
else
#endif
- sprintf ((hdr->ar_gid), "%ld", (long) status.st_gid);
- sprintf ((hdr->ar_mode), "%-8o", (unsigned int) status.st_mode);
- sprintf ((hdr->ar_size), "%-10ld", (long) status.st_size);
- /* Correct for a lossage in sprintf whereby it null-terminates. I cannot
- understand how these C losers could design such a ramshackle bunch of
- IO operations. */
- temp = (char *) hdr;
- temp1 = temp + sizeof (struct ar_hdr) - 2;
- for (; temp < temp1; temp++)
- {
- if (*temp == '\0')
- *temp = ' ';
- }
- strncpy (hdr->ar_fmag, ARFMAG, 2);
+ _bfd_ar_spacepad (hdr->ar_gid, sizeof (hdr->ar_gid), "%ld",
+ status.st_gid);
+ _bfd_ar_spacepad (hdr->ar_mode, sizeof (hdr->ar_mode), "%-8lo",
+ status.st_mode);
+ _bfd_ar_spacepad (hdr->ar_size, sizeof (hdr->ar_size), "%-10ld",
+ status.st_size);
+ memcpy (hdr->ar_fmag, ARFMAG, 2);
ared->parsed_size = status.st_size;
ared->arch_header = (char *) hdr;
/* If no .o's, don't bother to make a map. */
bfd_boolean hasobjects = FALSE;
bfd_size_type wrote;
- unsigned int i;
int tries;
/* Verify the viability of all entries; if any of them live in the
if (makemap && ! hasobjects)
{ /* Don't bother if we won't make a map! */
- if ((bfd_check_format (current, bfd_object))
-#if 0 /* FIXME -- these are not set correctly */
- && ((bfd_get_file_flags (current) & HAS_SYMS))
-#endif
- )
+ if ((bfd_check_format (current, bfd_object)))
hasobjects = TRUE;
}
}
if (bfd_seek (arch, (file_ptr) 0, SEEK_SET) != 0)
return FALSE;
-#ifdef GNU960
- wrote = bfd_bwrite (BFD_GNU960_ARMAG (arch), SARMAG, arch);
-#else
wrote = bfd_bwrite (ARMAG, SARMAG, arch);
-#endif
if (wrote != SARMAG)
return FALSE;
{
struct ar_hdr hdr;
- memset (&hdr, 0, sizeof (struct ar_hdr));
- strcpy (hdr.ar_name, ename);
+ memset (&hdr, ' ', sizeof (struct ar_hdr));
+ memcpy (hdr.ar_name, ename, strlen (ename));
/* Round size up to even number in archive header. */
- sprintf (&(hdr.ar_size[0]), "%-10d",
- (int) ((elength + 1) & ~(bfd_size_type) 1));
- strncpy (hdr.ar_fmag, ARFMAG, 2);
- for (i = 0; i < sizeof (struct ar_hdr); i++)
- if (((char *) (&hdr))[i] == '\0')
- (((char *) (&hdr))[i]) = ' ';
+ _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld",
+ (elength + 1) & ~(bfd_size_type) 1);
+ memcpy (hdr.ar_fmag, ARFMAG, 2);
if ((bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
!= sizeof (struct ar_hdr))
|| bfd_bwrite (etable, elength, arch) != elength)
unsigned int count;
struct ar_hdr hdr;
struct stat statbuf;
- unsigned int i;
firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG;
stat (arch->filename, &statbuf);
- memset (&hdr, 0, sizeof (struct ar_hdr));
- sprintf (hdr.ar_name, RANLIBMAG);
+ memset (&hdr, ' ', sizeof (struct ar_hdr));
+ memcpy (hdr.ar_name, RANLIBMAG, strlen (RANLIBMAG));
/* Remember the timestamp, to keep it holy. But fudge it a little. */
bfd_ardata (arch)->armap_timestamp = statbuf.st_mtime + ARMAP_TIME_OFFSET;
bfd_ardata (arch)->armap_datepos = (SARMAG
+ offsetof (struct ar_hdr, ar_date[0]));
- sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp);
- sprintf (hdr.ar_uid, "%ld", (long) getuid ());
- sprintf (hdr.ar_gid, "%ld", (long) getgid ());
- sprintf (hdr.ar_size, "%-10d", (int) mapsize);
- strncpy (hdr.ar_fmag, ARFMAG, 2);
- for (i = 0; i < sizeof (struct ar_hdr); i++)
- if (((char *) (&hdr))[i] == '\0')
- (((char *) (&hdr))[i]) = ' ';
+ _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+ bfd_ardata (arch)->armap_timestamp);
+ _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", getuid ());
+ _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", getgid ());
+ _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld", mapsize);
+ memcpy (hdr.ar_fmag, ARFMAG, 2);
if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
!= sizeof (struct ar_hdr))
return FALSE;
{
struct stat archstat;
struct ar_hdr hdr;
- unsigned int i;
/* Flush writes, get last-write timestamp from file, and compare it
to the timestamp IN the file. */
bfd_ardata (arch)->armap_timestamp = archstat.st_mtime + ARMAP_TIME_OFFSET;
/* Prepare an ASCII version suitable for writing. */
- memset (hdr.ar_date, 0, sizeof (hdr.ar_date));
- sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp);
- for (i = 0; i < sizeof (hdr.ar_date); i++)
- if (hdr.ar_date[i] == '\0')
- (hdr.ar_date)[i] = ' ';
+ memset (hdr.ar_date, ' ', sizeof (hdr.ar_date));
+ _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+ bfd_ardata (arch)->armap_timestamp);
/* Write it into the file. */
bfd_ardata (arch)->armap_datepos = (SARMAG
bfd *current = arch->archive_head;
unsigned int count;
struct ar_hdr hdr;
- unsigned int i;
int padit = mapsize & 1;
if (padit)
+ sizeof (struct ar_hdr)
+ SARMAG);
- memset (&hdr, 0, sizeof (struct ar_hdr));
+ memset (&hdr, ' ', sizeof (struct ar_hdr));
hdr.ar_name[0] = '/';
- sprintf (hdr.ar_size, "%-10d", (int) mapsize);
- sprintf (hdr.ar_date, "%ld", (long) time (NULL));
+ _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld",
+ mapsize);
+ _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+ time (NULL));
/* This, at least, is what Intel coff sets the values to. */
- sprintf ((hdr.ar_uid), "%d", 0);
- sprintf ((hdr.ar_gid), "%d", 0);
- sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
- strncpy (hdr.ar_fmag, ARFMAG, 2);
-
- for (i = 0; i < sizeof (struct ar_hdr); i++)
- if (((char *) (&hdr))[i] == '\0')
- (((char *) (&hdr))[i]) = ' ';
+ _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", 0);
+ _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", 0);
+ _bfd_ar_spacepad (hdr.ar_mode, sizeof (hdr.ar_mode), "%-7lo", 0);
+ memcpy (hdr.ar_fmag, ARFMAG, 2);
/* Write the ar header for this item and the number of symbols. */
if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
projects / deliverable / binutils-gdb.git / blobdiff