/* BFD back-end for archive files (libraries).
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
- 2012 Free Software Foundation, Inc.
+ Copyright (C) 1990-2015 Free Software Foundation, Inc.
Written by Cygnus Support. Mostly Gumby Henkel-Wallace's fault.
This file is part of BFD, the Binary File Descriptor library.
#include "safe-ctype.h"
#include "hashtab.h"
#include "filenames.h"
+#include "bfdlink.h"
#ifndef errno
extern int errno;
struct ar_cache *entry = (struct ar_cache *) htab_find (hash_table, &m);
if (!entry)
return NULL;
- else
- return entry->arbfd;
+
+ /* Unfortunately this flag is set after checking that we have
+ an archive, and checking for an archive means one element has
+ sneaked into the cache. */
+ entry->arbfd->no_export = arch_bfd->no_export;
+ return entry->arbfd;
}
else
return NULL;
}
\f
static bfd *
-_bfd_find_nested_archive (bfd *arch_bfd, const char *filename)
+open_nested_file (const char *filename, bfd *archive)
{
- bfd *abfd;
const char *target;
+ bfd *n_bfd;
+
+ target = NULL;
+ if (!archive->target_defaulted)
+ target = archive->xvec->name;
+ n_bfd = bfd_openr (filename, target);
+ if (n_bfd != NULL)
+ {
+ n_bfd->lto_output = archive->lto_output;
+ n_bfd->no_export = archive->no_export;
+ }
+ return n_bfd;
+}
+
+static bfd *
+find_nested_archive (const char *filename, bfd *arch_bfd)
+{
+ bfd *abfd;
+
+ /* PR 15140: Don't allow a nested archive pointing to itself. */
+ if (filename_cmp (filename, arch_bfd->filename) == 0)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return NULL;
+ }
for (abfd = arch_bfd->nested_archives;
abfd != NULL;
if (filename_cmp (filename, abfd->filename) == 0)
return abfd;
}
- target = NULL;
- if (!arch_bfd->target_defaulted)
- target = arch_bfd->xvec->name;
- abfd = bfd_openr (filename, target);
+ abfd = open_nested_file (filename, arch_bfd);
if (abfd)
{
abfd->archive_next = arch_bfd->nested_archives;
_bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos)
{
struct areltdata *new_areldata;
- bfd *n_nfd;
+ bfd *n_bfd;
char *filename;
- n_nfd = _bfd_look_for_bfd_in_cache (archive, filepos);
- if (n_nfd)
- return n_nfd;
+ n_bfd = _bfd_look_for_bfd_in_cache (archive, filepos);
+ if (n_bfd)
+ return n_bfd;
if (0 > bfd_seek (archive, filepos, SEEK_SET))
return NULL;
if (bfd_is_thin_archive (archive))
{
- const char *target;
-
/* This is a proxy entry for an external file. */
if (! IS_ABSOLUTE_PATH (filename))
{
{
/* 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);
+ bfd *ext_arch = find_nested_archive (filename, archive);
if (ext_arch == NULL
|| ! bfd_check_format (ext_arch, bfd_archive))
free (new_areldata);
return NULL;
}
- n_nfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin);
- if (n_nfd == NULL)
+ n_bfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin);
+ if (n_bfd == NULL)
{
free (new_areldata);
return NULL;
}
- n_nfd->proxy_origin = bfd_tell (archive);
- return n_nfd;
+ n_bfd->proxy_origin = bfd_tell (archive);
+ return n_bfd;
}
+
/* It's not an element of a nested archive;
open the external file as a bfd. */
- target = NULL;
- if (!archive->target_defaulted)
- target = archive->xvec->name;
- n_nfd = bfd_openr (filename, target);
- if (n_nfd == NULL)
+ n_bfd = open_nested_file (filename, archive);
+ if (n_bfd == NULL)
bfd_set_error (bfd_error_malformed_archive);
}
else
{
- n_nfd = _bfd_create_empty_archive_element_shell (archive);
+ n_bfd = _bfd_create_empty_archive_element_shell (archive);
}
- if (n_nfd == NULL)
+ if (n_bfd == NULL)
{
free (new_areldata);
return NULL;
}
- n_nfd->proxy_origin = bfd_tell (archive);
+ n_bfd->proxy_origin = bfd_tell (archive);
if (bfd_is_thin_archive (archive))
{
- n_nfd->origin = 0;
+ n_bfd->origin = 0;
}
else
{
- n_nfd->origin = n_nfd->proxy_origin;
- n_nfd->filename = filename;
+ n_bfd->origin = n_bfd->proxy_origin;
+ n_bfd->filename = xstrdup (filename);
}
- n_nfd->arelt_data = new_areldata;
+ n_bfd->arelt_data = new_areldata;
/* Copy BFD_COMPRESS and BFD_DECOMPRESS flags. */
- n_nfd->flags |= archive->flags & (BFD_COMPRESS | BFD_DECOMPRESS);
+ n_bfd->flags |= archive->flags & (BFD_COMPRESS | BFD_DECOMPRESS);
- if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_nfd))
- return n_nfd;
+ if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_bfd))
+ return n_bfd;
free (new_areldata);
- n_nfd->arelt_data = NULL;
+ n_bfd->arelt_data = NULL;
return NULL;
}
return FALSE;
parsed_size = mapdata->parsed_size;
free (mapdata);
+ /* PR 17512: file: 883ff754. */
+ /* PR 17512: file: 0458885f. */
+ if (parsed_size < 4)
+ return FALSE;
raw_armap = (bfd_byte *) bfd_zalloc (abfd, parsed_size);
if (raw_armap == NULL)
}
ardata->symdef_count = H_GET_32 (abfd, raw_armap) / BSD_SYMDEF_SIZE;
-
if (ardata->symdef_count * BSD_SYMDEF_SIZE >
parsed_size - BSD_SYMDEF_COUNT_SIZE)
{
}
/* OK, build the carsyms. */
- for (i = 0; i < nsymz; i++)
+ for (i = 0; i < nsymz && stringsize > 0; i++)
{
+ bfd_size_type len;
+
rawptr = raw_armap + i;
carsyms->file_offset = swap ((bfd_byte *) rawptr);
carsyms->name = stringbase;
- stringbase += strlen (stringbase) + 1;
+ /* PR 17512: file: 4a1d50c1. */
+ len = strnlen (stringbase, stringsize);
+ if (len < stringsize)
+ len ++;
+ stringbase += len;
+ stringsize -= len;
carsyms++;
}
*stringbase = 0;
return FALSE;
if (bfd_seek (abfd, -(file_ptr) (sizeof (hdr) + 20), SEEK_CUR) != 0)
return FALSE;
+ extname[20] = 0;
if (CONST_STRNEQ (extname, "__.SYMDEF SORTED")
|| CONST_STRNEQ (extname, "__.SYMDEF"))
return do_slurp_bsd_armap (abfd);
{
byebye:
free (namedata);
+ bfd_ardata (abfd)->extended_names = NULL;
+ bfd_ardata (abfd)->extended_names_size = 0;
return FALSE;
}
text, the entries in the list are newline-padded, not null
padded. In SVR4-style archives, the names also have a
trailing '/'. DOS/NT created archive often have \ in them
- We'll fix all problems here.. */
+ We'll fix all problems here. */
{
char *ext_names = bfd_ardata (abfd)->extended_names;
char *temp = ext_names;
char *limit = temp + namedata->parsed_size;
+
for (; temp < limit; ++temp)
{
if (*temp == ARFMAG[1])
}
hdr = arch_hdr (abfd);
-
+ /* PR 17512: file: 3d9e9fe9. */
+ if (hdr == NULL)
+ return -1;
#define foo(arelt, stelt, size) \
buf->stelt = strtol (hdr->arelt, &aloser, size); \
if (aloser == hdr->arelt) \
map = new_map;
}
+ if (strcmp (syms[src_count]->name, "__gnu_lto_slim") == 0)
+ (*_bfd_error_handler)
+ (_("%s: plugin needed to handle lto object"),
+ bfd_get_filename (current));
namelen = strlen (syms[src_count]->name);
amt = sizeof (char *);
map[orl_count].name = (char **) bfd_alloc (arch, amt);
bfd_ardata (abfd)->cache = NULL;
}
}
- else if (arch_eltdata (abfd) != NULL)
+ if (arch_eltdata (abfd) != NULL)
{
struct areltdata *ared = arch_eltdata (abfd);
htab_t htab = (htab_t) ared->parent_cache;
}
}
}
+ if (abfd->is_linker_output)
+ (*abfd->link.hash->hash_table_free) (abfd);
+
return TRUE;
}
projects / deliverable / binutils-gdb.git / blobdiff