/* 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, 2006, 2007, 2008
Free Software Foundation, Inc.
Written by Cygnus Support. Mostly Gumby Henkel-Wallace's fault.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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 "bfd.h"
+#include "libiberty.h"
#include "libbfd.h"
#include "aout/ar.h"
#include "aout/ranlib.h"
#include "safe-ctype.h"
+#include "hashtab.h"
+#include "filenames.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 ar_maxnamelen(abfd) ((abfd)->xvec->ar_max_namelen)
#define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data))
-#define arch_hdr(bfd) ((struct ar_hdr *) arch_eltdata(bfd)->arch_header)
-
+#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 *cache;
+ htab_t hash_table = bfd_ardata (arch_bfd)->cache;
- struct ar_cache *new_cache = bfd_zalloc (arch_bfd, amt);
- if (new_cache == NULL)
- return FALSE;
-
- 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
+static bfd *
+_bfd_find_nested_archive (bfd *arch_bfd, const char *filename)
+{
+ bfd *abfd;
+
+ for (abfd = arch_bfd->nested_archives;
+ abfd != NULL;
+ abfd = abfd->archive_next)
+ {
+ if (strcmp (filename, abfd->filename) == 0)
+ return abfd;
+ }
+ abfd = bfd_openr (filename, NULL);
+ if (abfd)
+ {
+ abfd->archive_next = arch_bfd->nested_archives;
+ arch_bfd->nested_archives = abfd;
+ }
+ return abfd;
+}
+
/* The name begins with space. Hence the rest of the name is an index into
the string table. */
static char *
-get_extended_arelt_filename (bfd *arch, const char *name)
+get_extended_arelt_filename (bfd *arch, const char *name, file_ptr *originp)
{
unsigned long index = 0;
+ const char *endp;
/* Should extract string so that I can guarantee not to overflow into
the next region, but I'm too lazy. */
errno = 0;
/* Skip first char, which is '/' in SVR4 or ' ' in some other variants. */
- index = strtol (name + 1, NULL, 10);
- if (errno != 0)
+ index = strtol (name + 1, (char **) &endp, 10);
+ if (errno != 0 || index >= bfd_ardata (arch)->extended_names_size)
{
bfd_set_error (bfd_error_malformed_archive);
return NULL;
}
+ /* In a thin archive, a member of an archive-within-an-archive
+ will have the offset in the inner archive encoded here. */
+ if (bfd_is_thin_archive (arch) && endp != NULL && *endp == ':')
+ {
+ file_ptr origin = strtol (endp + 1, NULL, 10);
+
+ if (errno != 0 || index >= bfd_ardata (arch)->extended_names_size)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return NULL;
+ }
+ *originp = origin;
+ }
+ else
+ *originp = 0;
return bfd_ardata (arch)->extended_names + index;
}
bfd_size_type namelen = 0;
bfd_size_type allocsize = sizeof (struct areltdata) + sizeof (struct ar_hdr);
char *allocptr = 0;
+ file_ptr origin = 0;
if (bfd_bread (hdrp, sizeof (struct ar_hdr), abfd) != sizeof (struct ar_hdr))
{
&& memchr (hdr.ar_name, '/', ar_maxnamelen (abfd)) == NULL))
&& bfd_ardata (abfd)->extended_names != NULL)
{
- filename = get_extended_arelt_filename (abfd, hdr.ar_name);
+ filename = get_extended_arelt_filename (abfd, hdr.ar_name, &origin);
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! */
ared->arch_header = allocptr + sizeof (struct areltdata);
memcpy (ared->arch_header, &hdr, sizeof (struct ar_hdr));
ared->parsed_size = parsed_size;
+ ared->origin = origin;
if (filename != NULL)
ared->filename = filename;
return ared;
}
\f
+/* Append the relative pathname for a member of the thin archive
+ to the pathname of the directory containing the archive. */
+
+static char *
+append_relative_path (bfd *arch, char *elt_name)
+{
+ const char *arch_name = arch->filename;
+ const char *base_name = lbasename (arch_name);
+ size_t prefix_len;
+ char *filename;
+
+ if (base_name == arch_name)
+ return elt_name;
+
+ prefix_len = base_name - arch_name;
+ filename = bfd_alloc (arch, prefix_len + strlen (elt_name) + 1);
+ if (filename == NULL)
+ return NULL;
+
+ strncpy (filename, arch_name, prefix_len);
+ strcpy (filename + prefix_len, elt_name);
+ return filename;
+}
+
/* This is an internal function; it's mainly used when indexing
through the archive symbol table, but also used to get the next
element, since it handles the bookkeeping so nicely for us. */
{
struct areltdata *new_areldata;
bfd *n_nfd;
+ char *filename;
if (archive->my_archive)
{
if ((new_areldata = _bfd_read_ar_hdr (archive)) == NULL)
return NULL;
- n_nfd = _bfd_create_empty_archive_element_shell (archive);
+ filename = new_areldata->filename;
+
+ if (bfd_is_thin_archive (archive))
+ {
+ /* This is a proxy entry for an external file. */
+ if (! IS_ABSOLUTE_PATH (filename))
+ {
+ filename = append_relative_path (archive, filename);
+ if (filename == NULL)
+ return NULL;
+ }
+
+ if (new_areldata->origin > 0)
+ {
+ /* This proxy entry refers to an element of a nested archive.
+ Locate the member of that archive and return a bfd for it. */
+ bfd *ext_arch = _bfd_find_nested_archive (archive, filename);
+
+ if (ext_arch == NULL
+ || ! bfd_check_format (ext_arch, bfd_archive))
+ {
+ bfd_release (archive, new_areldata);
+ return NULL;
+ }
+ n_nfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin);
+ if (n_nfd == NULL)
+ {
+ bfd_release (archive, new_areldata);
+ return NULL;
+ }
+ n_nfd->proxy_origin = bfd_tell (archive);
+ return n_nfd;
+ }
+ /* It's not an element of a nested archive;
+ open the external file as a bfd. */
+ n_nfd = bfd_openr (filename, NULL);
+ }
+ else
+ {
+ n_nfd = _bfd_create_empty_archive_element_shell (archive);
+ }
+
if (n_nfd == NULL)
{
bfd_release (archive, new_areldata);
return NULL;
}
- n_nfd->origin = bfd_tell (archive);
+ n_nfd->proxy_origin = bfd_tell (archive);
+
+ if (bfd_is_thin_archive (archive))
+ {
+ n_nfd->origin = 0;
+ }
+ else
+ {
+ n_nfd->origin = n_nfd->proxy_origin;
+ n_nfd->filename = filename;
+ }
+
n_nfd->arelt_data = new_areldata;
- n_nfd->filename = new_areldata->filename;
if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_nfd))
return n_nfd;
/* Huh? */
+ /* FIXME: n_nfd isn't allocated in the archive's memory pool.
+ If we reach this point, I think bfd_release will abort. */
bfd_release (archive, n_nfd);
bfd_release (archive, new_areldata);
return NULL;
bfd *
bfd_openr_next_archived_file (bfd *archive, bfd *last_file)
{
- if ((bfd_get_format (archive) != bfd_archive) ||
- (archive->direction == write_direction))
+ if ((bfd_get_format (archive) != bfd_archive)
+ || (archive->direction == write_direction))
{
bfd_set_error (bfd_error_invalid_operation);
return NULL;
else
{
unsigned int size = arelt_size (last_file);
- filestart = last_file->origin + size;
+ filestart = last_file->proxy_origin;
+ if (! bfd_is_thin_archive (archive))
+ filestart += size;
if (archive->my_archive)
filestart -= archive->origin;
/* Pad to an even boundary...
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)
+ bfd_is_thin_archive (abfd) = (strncmp (armag, ARMAGT, SARMAG) == 0);
+
+ if (strncmp (armag, ARMAG, SARMAG) != 0
+ && strncmp (armag, ARMAGB, SARMAG) != 0
+ && ! bfd_is_thin_archive (abfd))
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;
/* The size of the string count. */
#define BSD_STRING_COUNT_SIZE 4
-/* Returns FALSE on error, TRUE otherwise. */
+/* Read a BSD-style archive symbol table. Returns FALSE on error,
+ TRUE otherwise. */
static bfd_boolean
do_slurp_bsd_armap (bfd *abfd)
return TRUE;
}
-/* Returns FALSE on error, TRUE otherwise. */
+/* Read a COFF archive symbol table. Returns FALSE on error, TRUE
+ otherwise. */
static bfd_boolean
do_slurp_coff_armap (bfd *abfd)
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;
return FALSE;
}
-/* This routine can handle either coff-style or bsd-style armaps.
- Returns FALSE on error, TRUE otherwise */
+/* This routine can handle either coff-style or bsd-style armaps
+ (archive symbol table). Returns FALSE on error, TRUE otherwise */
bfd_boolean
bfd_slurp_armap (bfd *abfd)
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';
+ if (*temp == ARFMAG[1])
+ 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;
}
}
#endif
+/* Adjust a relative path name based on the reference path. */
+
+static const char *
+adjust_relative_path (const char * path, const char * ref_path)
+{
+ static char *pathbuf = NULL;
+ static int pathbuf_len = 0;
+ const char *pathp = path;
+ const char *refp = ref_path;
+ int element_count = 0;
+ int len;
+ char *newp;
+
+ /* Remove common leading path elements. */
+ for (;;)
+ {
+ const char *e1 = pathp;
+ const char *e2 = refp;
+
+ while (*e1 && ! IS_DIR_SEPARATOR (*e1))
+ ++e1;
+ while (*e2 && ! IS_DIR_SEPARATOR (*e2))
+ ++e2;
+ if (*e1 == '\0' || *e2 == '\0' || e1 - pathp != e2 - refp
+ || strncmp (pathp, refp, e1 - pathp) != 0)
+ break;
+ pathp = e1 + 1;
+ refp = e2 + 1;
+ }
+
+ /* For each leading path element in the reference path,
+ insert "../" into the path. */
+ for (; *refp; ++refp)
+ if (IS_DIR_SEPARATOR (*refp))
+ ++element_count;
+ len = 3 * element_count + strlen (path) + 1;
+
+ if (len > pathbuf_len)
+ {
+ if (pathbuf != NULL)
+ free (pathbuf);
+ pathbuf_len = 0;
+ pathbuf = bfd_malloc (len);
+ if (pathbuf == NULL)
+ return path;
+ pathbuf_len = len;
+ }
+
+ newp = pathbuf;
+ while (element_count-- > 0)
+ {
+ /* FIXME: Support Windows style path separators as well. */
+ strcpy (newp, "../");
+ newp += 3;
+ }
+ strcpy (newp, pathp);
+
+ return pathbuf;
+}
+
/* Build a BFD style extended name table. */
bfd_boolean
bfd_size_type total_namelen = 0;
bfd *current;
char *strptr;
+ const char *last_filename;
+ long last_stroff;
*tablen = 0;
+ last_filename = NULL;
/* Figure out how long the table should be. */
- for (current = abfd->archive_head; current != NULL; current = current->next)
+ for (current = abfd->archive_head;
+ current != NULL;
+ current = current->archive_next)
{
const char *normal;
unsigned int thislen;
+ if (bfd_is_thin_archive (abfd))
+ {
+ const char *filename = current->filename;
+
+ /* If the element being added is a member of another archive
+ (i.e., we are flattening), use the containing archive's name. */
+ if (current->my_archive
+ && ! bfd_is_thin_archive (current->my_archive))
+ filename = current->my_archive->filename;
+
+ /* If the path is the same as the previous path seen,
+ reuse it. This can happen when flattening a thin
+ archive that contains other archives. */
+ if (last_filename && strcmp (last_filename, filename) == 0)
+ continue;
+
+ last_filename = filename;
+
+ /* If the path is relative, adjust it relative to
+ the containing archive. */
+ if (! IS_ABSOLUTE_PATH (filename)
+ && ! IS_ABSOLUTE_PATH (abfd->filename))
+ normal = adjust_relative_path (filename, abfd->filename);
+ else
+ normal = filename;
+
+ /* In a thin archive, always store the full pathname
+ in the extended name table. */
+ total_namelen += strlen (normal) + 1;
+ if (trailing_slash)
+ /* Leave room for trailing slash. */
+ ++total_namelen;
+
+ continue;
+ }
+
normal = normalize (current, current->filename);
if (normal == NULL)
return FALSE;
*tablen = total_namelen;
strptr = *tabloc;
- for (current = abfd->archive_head; current != NULL; current =
- current->next)
+ last_filename = NULL;
+ last_stroff = 0;
+
+ for (current = abfd->archive_head;
+ current != NULL;
+ current = current->archive_next)
{
const char *normal;
unsigned int thislen;
-
- normal = normalize (current, current->filename);
- if (normal == NULL)
- return FALSE;
+ long stroff;
+ const char *filename = current->filename;
+
+ if (bfd_is_thin_archive (abfd))
+ {
+ /* If the element being added is a member of another archive
+ (i.e., we are flattening), use the containing archive's name. */
+ if (current->my_archive
+ && ! bfd_is_thin_archive (current->my_archive))
+ filename = current->my_archive->filename;
+ /* If the path is the same as the previous path seen,
+ reuse it. This can happen when flattening a thin
+ archive that contains other archives.
+ If the path is relative, adjust it relative to
+ the containing archive. */
+ if (last_filename && strcmp (last_filename, filename) == 0)
+ normal = last_filename;
+ else if (! IS_ABSOLUTE_PATH (filename)
+ && ! IS_ABSOLUTE_PATH (abfd->filename))
+ normal = adjust_relative_path (filename, abfd->filename);
+ else
+ normal = filename;
+ }
+ else
+ {
+ normal = normalize (current, filename);
+ if (normal == NULL)
+ return FALSE;
+ }
thislen = strlen (normal);
- if (thislen > maxname)
+ if (thislen > maxname || bfd_is_thin_archive (abfd))
{
/* Works for now; may need to be re-engineered if we
encounter an oddball archive format and want to
generalise this hack. */
struct ar_hdr *hdr = arch_hdr (current);
- strcpy (strptr, normal);
- if (! trailing_slash)
- strptr[thislen] = '\012';
- else
- {
- strptr[thislen] = '/';
- strptr[thislen + 1] = '\012';
+ if (normal == last_filename)
+ stroff = last_stroff;
+ else
+ {
+ strcpy (strptr, normal);
+ if (! trailing_slash)
+ strptr[thislen] = ARFMAG[1];
+ else
+ {
+ strptr[thislen] = '/';
+ strptr[thislen + 1] = ARFMAG[1];
+ }
+ stroff = strptr - *tabloc;
+ last_stroff = stroff;
}
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 = ' ';
- }
- strptr += thislen + 1;
- if (trailing_slash)
- ++strptr;
+ if (bfd_is_thin_archive (abfd) && current->origin > 0)
+ {
+ int len = snprintf (hdr->ar_name + 1, maxname - 1, "%-ld:",
+ stroff);
+ _bfd_ar_spacepad (hdr->ar_name + 1 + len, maxname - 1 - len,
+ "%-ld",
+ current->origin - sizeof (struct ar_hdr));
+ }
+ else
+ _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld", stroff);
+ if (normal != last_filename)
+ {
+ strptr += thislen + 1;
+ if (trailing_slash)
+ ++strptr;
+ last_filename = filename;
+ }
}
}
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)
return NULL;
}
+ /* If the caller requested that the BFD generate deterministic output,
+ fake values for modification time, UID, GID, and file mode. */
+ if ((abfd->flags & BFD_DETERMINISTIC_OUTPUT) != 0)
+ {
+ status.st_mtime = 0;
+ status.st_uid = 0;
+ status.st_gid = 0;
+ status.st_mode = 0644;
+ }
+
amt = sizeof (struct ar_hdr) + sizeof (struct areltdata);
ared = bfd_zalloc (abfd, amt);
if (ared == NULL)
/* 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;
{
/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
char *bslash = strrchr (pathname, '\\');
+
if (filename == NULL || (bslash != NULL && bslash > filename))
filename = bslash;
if (filename == NULL && pathname[0] != '\0' && pathname[1] == ':')
if (length <= maxlen)
memcpy (hdr->ar_name, filename, length);
else
- { /* pathname: meet procrustes */
+ {
+ /* pathname: meet procrustes. */
memcpy (hdr->ar_name, filename, maxlen);
if ((filename[length - 2] == '.') && (filename[length - 1] == 'o'))
{
/* If no .o's, don't bother to make a map. */
bfd_boolean hasobjects = FALSE;
bfd_size_type wrote;
- unsigned int i;
int tries;
+ char *armag;
/* Verify the viability of all entries; if any of them live in the
filesystem (as opposed to living in an archive open for input)
then construct a fresh ar_hdr for them. */
- for (current = arch->archive_head; current; current = current->next)
+ for (current = arch->archive_head;
+ current != NULL;
+ current = current->archive_next)
{
/* This check is checking the bfds for the objects we're reading
from (which are usually either an object file or archive on
if (bfd_write_p (current))
{
bfd_set_error (bfd_error_invalid_operation);
- return FALSE;
+ goto input_err;
}
if (!current->arelt_data)
{
current->arelt_data =
bfd_ar_hdr_from_filesystem (arch, current->filename, current);
if (!current->arelt_data)
- return FALSE;
+ goto input_err;
/* Put in the file name. */
BFD_SEND (arch, _bfd_truncate_arname,
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
+ armag = ARMAG;
+ if (bfd_is_thin_archive (arch))
+ armag = ARMAGT;
+ wrote = bfd_bwrite (armag, SARMAG, arch);
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)
return FALSE;
if ((elength % 2) == 1)
{
- if (bfd_bwrite ("\012", 1, arch) != 1)
+ if (bfd_bwrite (&ARFMAG[1], 1, arch) != 1)
return FALSE;
}
}
- for (current = arch->archive_head; current; current = current->next)
+ for (current = arch->archive_head;
+ current != NULL;
+ current = current->archive_next)
{
char buffer[DEFAULT_BUFFERSIZE];
unsigned int remaining = arelt_size (current);
if (bfd_bwrite (hdr, sizeof (*hdr), arch)
!= sizeof (*hdr))
return FALSE;
+ if (bfd_is_thin_archive (arch))
+ continue;
if (bfd_seek (current, (file_ptr) 0, SEEK_SET) != 0)
- return FALSE;
+ goto input_err;
+
while (remaining)
{
unsigned int amt = DEFAULT_BUFFERSIZE;
+
if (amt > remaining)
amt = remaining;
errno = 0;
if (bfd_bread (buffer, amt, current) != amt)
{
if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_malformed_archive);
- return FALSE;
+ bfd_set_error (bfd_error_file_truncated);
+ goto input_err;
}
if (bfd_bwrite (buffer, amt, arch) != amt)
return FALSE;
remaining -= amt;
}
+
if ((arelt_size (current) % 2) == 1)
{
- if (bfd_bwrite ("\012", 1, arch) != 1)
+ if (bfd_bwrite (&ARFMAG[1], 1, arch) != 1)
return FALSE;
}
}
}
return TRUE;
+
+ input_err:
+ bfd_set_error (bfd_error_on_input, current, bfd_get_error ());
+ return FALSE;
}
\f
/* Note that the namidx for the first symbol is 0. */
goto error_return;
/* Drop all the files called __.SYMDEF, we're going to make our own. */
- while (arch->archive_head &&
- strcmp (arch->archive_head->filename, "__.SYMDEF") == 0)
- arch->archive_head = arch->archive_head->next;
+ while (arch->archive_head
+ && strcmp (arch->archive_head->filename, "__.SYMDEF") == 0)
+ arch->archive_head = arch->archive_head->archive_next;
/* Map over each element. */
for (current = arch->archive_head;
current != NULL;
- current = current->next, elt_no++)
+ current = current->archive_next, elt_no++)
{
if (bfd_check_format (current, bfd_object)
&& (bfd_get_file_flags (current) & HAS_SYMS) != 0)
flagword flags = (syms[src_count])->flags;
asection *sec = syms[src_count]->section;
- if ((flags & BSF_GLOBAL ||
- flags & BSF_WEAK ||
- flags & BSF_INDIRECT ||
- bfd_is_com_section (sec))
+ if ((flags & BSF_GLOBAL
+ || flags & BSF_WEAK
+ || flags & BSF_INDIRECT
+ || bfd_is_com_section (sec))
&& ! bfd_is_und_section (sec))
{
bfd_size_type namelen;
unsigned int count;
struct ar_hdr hdr;
struct stat statbuf;
- unsigned int i;
+ long uid, gid;
firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG;
stat (arch->filename, &statbuf);
- memset (&hdr, 0, sizeof (struct ar_hdr));
- sprintf (hdr.ar_name, RANLIBMAG);
- /* Remember the timestamp, to keep it holy. But fudge it a little. */
- bfd_ardata (arch)->armap_timestamp = statbuf.st_mtime + ARMAP_TIME_OFFSET;
+ if ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0)
+ {
+ /* Remember the timestamp, to keep it holy. But fudge it a little. */
+ bfd_ardata (arch)->armap_timestamp = (statbuf.st_mtime
+ + ARMAP_TIME_OFFSET);
+ uid = getuid();
+ gid = getgid();
+ }
+ else
+ {
+ /* If deterministic, we use 0 as the timestamp in the map.
+ Some linkers may require that the archive filesystem modification
+ time is less than (or near to) the archive map timestamp. Those
+ linkers should not be used with deterministic mode. (GNU ld and
+ Gold do not have this restriction.) */
+ bfd_ardata (arch)->armap_timestamp = 0;
+ uid = 0;
+ gid = 0;
+ }
+
+ memset (&hdr, ' ', sizeof (struct ar_hdr));
+ memcpy (hdr.ar_name, RANLIBMAG, strlen (RANLIBMAG));
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", uid);
+ _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", gid);
+ _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;
{
firstreal += arelt_size (current) + sizeof (struct ar_hdr);
firstreal += firstreal % 2;
- current = current->next;
+ current = current->archive_next;
}
while (current != map[count].u.abfd);
}
{
struct stat archstat;
struct ar_hdr hdr;
- unsigned int i;
+
+ /* If creating deterministic archives, just leave the timestamp as-is. */
+ if ((arch->flags & BFD_DETERMINISTIC_OUTPUT) != 0)
+ return TRUE;
/* Flush writes, get last-write timestamp from file, and compare it
to the timestamp IN the file. */
/* Can't read mod time for some reason. */
return TRUE;
}
- if (archstat.st_mtime <= bfd_ardata (arch)->armap_timestamp)
+ if (((long) archstat.st_mtime) <= bfd_ardata (arch)->armap_timestamp)
/* OK by the linker's rules. */
return TRUE;
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",
+ ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0
+ ? time (NULL) : 0));
/* 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)
return FALSE;
count++;
}
- /* Add size of this archive entry. */
- archive_member_file_ptr += arelt_size (current) + sizeof (struct ar_hdr);
- /* Remember aboout the even alignment. */
- archive_member_file_ptr += archive_member_file_ptr % 2;
- current = current->next;
+ archive_member_file_ptr += sizeof (struct ar_hdr);
+ if (! bfd_is_thin_archive (arch))
+ {
+ /* Add size of this archive entry. */
+ archive_member_file_ptr += arelt_size (current);
+ /* Remember about the even alignment. */
+ archive_member_file_ptr += archive_member_file_ptr % 2;
+ }
+ current = current->archive_next;
}
/* Now write the strings themselves. */