-/* MIPS-specific support for 64-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+/* Support for 64-bit archives.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
Ian Lance Taylor, Cygnus Support
Linker support added by Mark Mitchell, CodeSourcery, LLC.
<mark@codesourcery.com>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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 3 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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. */
-/* This file supports the 64-bit (MIPS) ELF archives. */
+/* This file supports the 64-bit archives. We use the same format as
+ the 64-bit (MIPS) ELF archives. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "aout/ar.h"
/* Irix 6 defines a 64bit archive map format, so that they can
have archives more than 4 GB in size. */
-boolean bfd_elf64_archive_slurp_armap PARAMS ((bfd *));
-boolean bfd_elf64_archive_write_armap
- PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
-
/* Read an Irix 6 armap. */
-boolean
-bfd_elf64_archive_slurp_armap (abfd)
- bfd *abfd;
+bfd_boolean
+_bfd_archive_64_bit_slurp_armap (bfd *abfd)
{
struct artdata *ardata = bfd_ardata (abfd);
char nextname[17];
- file_ptr arhdrpos;
bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize;
struct areltdata *mapdata;
bfd_byte int_buf[8];
char *stringbase;
+ char *stringend;
bfd_byte *raw_armap = NULL;
carsym *carsyms;
bfd_size_type amt;
+ ufile_ptr filesize;
ardata->symdefs = NULL;
/* Get the name of the first element. */
- arhdrpos = bfd_tell (abfd);
- i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd);
+ i = bfd_bread (nextname, 16, abfd);
if (i == 0)
- return true;
+ return TRUE;
if (i != 16)
- return false;
+ return FALSE;
if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0)
- return false;
+ return FALSE;
/* Archives with traditional armaps are still permitted. */
- if (strncmp (nextname, "/ ", 16) == 0)
+ if (CONST_STRNEQ (nextname, "/ "))
return bfd_slurp_armap (abfd);
- if (strncmp (nextname, "/SYM64/ ", 16) != 0)
+ if (! CONST_STRNEQ (nextname, "/SYM64/ "))
{
- bfd_has_map (abfd) = false;
- return true;
+ abfd->has_armap = FALSE;
+ return TRUE;
}
mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
if (mapdata == NULL)
- return false;
+ return FALSE;
parsed_size = mapdata->parsed_size;
- bfd_release (abfd, (PTR) mapdata);
+ free (mapdata);
- if (bfd_bread (int_buf, (bfd_size_type) 8, abfd) != 8)
+ filesize = bfd_get_file_size (abfd);
+ if (filesize != 0 && parsed_size > filesize)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return FALSE;
+ }
+
+ if (bfd_bread (int_buf, 8, abfd) != 8)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_malformed_archive);
- return false;
+ return FALSE;
}
nsymz = bfd_getb64 (int_buf);
ptrsize = 8 * nsymz;
amt = carsym_size + stringsize + 1;
- ardata->symdefs = (carsym *) bfd_zalloc (abfd, amt);
+ if (/* Catch overflow in stringsize (and ptrsize) expression. */
+ nsymz >= (bfd_size_type) -1 / 8
+ || stringsize > parsed_size
+ /* Catch overflow in carsym_size expression. */
+ || nsymz > (bfd_size_type) -1 / sizeof (carsym)
+ /* Catch overflow in amt expression. */
+ || amt <= carsym_size
+ || amt <= stringsize)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return FALSE;
+ }
+ ardata->symdefs = (struct carsym *) bfd_alloc (abfd, amt);
if (ardata->symdefs == NULL)
- return false;
+ return FALSE;
carsyms = ardata->symdefs;
stringbase = ((char *) ardata->symdefs) + carsym_size;
- raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize);
- if (raw_armap == NULL)
- goto release_symdefs;
-
- if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize
+ raw_armap = (bfd_byte *) _bfd_alloc_and_read (abfd, ptrsize, ptrsize);
+ if (raw_armap == NULL
|| bfd_bread (stringbase, stringsize, abfd) != stringsize)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_malformed_archive);
- goto release_raw_armap;
+ goto release_symdefs;
}
+ stringend = stringbase + stringsize;
+ *stringend = 0;
for (i = 0; i < nsymz; i++)
{
carsyms->file_offset = bfd_getb64 (raw_armap + i * 8);
carsyms->name = stringbase;
- stringbase += strlen (stringbase) + 1;
+ stringbase += strlen (stringbase);
+ if (stringbase != stringend)
+ ++stringbase;
++carsyms;
}
- *stringbase = '\0';
ardata->symdef_count = nsymz;
ardata->first_file_filepos = bfd_tell (abfd);
/* Pad to an even boundary if you have to. */
ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
- bfd_has_map (abfd) = true;
+ abfd->has_armap = TRUE;
bfd_release (abfd, raw_armap);
- return true;
+ return TRUE;
-release_raw_armap:
- bfd_release (abfd, raw_armap);
-release_symdefs:
+ release_symdefs:
bfd_release (abfd, ardata->symdefs);
- return false;
+ return FALSE;
}
/* Write out an Irix 6 armap. The Irix 6 tools are supposed to be
able to handle ordinary ELF armaps, but at least on Irix 6.2 the
linker crashes. */
-boolean
-bfd_elf64_archive_write_armap (arch, elength, map, symbol_count, stridx)
- bfd *arch;
- unsigned int elength;
- struct orl *map;
- unsigned int symbol_count;
- int stridx;
+bfd_boolean
+_bfd_archive_64_bit_write_armap (bfd *arch,
+ unsigned int elength,
+ struct orl *map,
+ unsigned int symbol_count,
+ int stridx)
{
unsigned int ranlibsize = (symbol_count * 8) + 8;
unsigned int stringsize = stridx;
bfd *current = arch->archive_head;
unsigned int count;
struct ar_hdr hdr;
- unsigned int i;
int padding;
bfd_byte buf[8];
+ sizeof (struct ar_hdr)
+ SARMAG);
- memset ((char *) (&hdr), 0, sizeof (struct ar_hdr));
- strcpy (hdr.ar_name, "/SYM64/");
- sprintf (hdr.ar_size, "%-10d", (int) mapsize);
- sprintf (hdr.ar_date, "%ld", (long) time (NULL));
+ memset (&hdr, ' ', sizeof (struct ar_hdr));
+ memcpy (hdr.ar_name, "/SYM64/", strlen ("/SYM64/"));
+ if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), mapsize))
+ return FALSE;
+ _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 ((PTR) &hdr, (bfd_size_type) sizeof (struct ar_hdr), arch)
+ if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
!= sizeof (struct ar_hdr))
- return false;
+ return FALSE;
bfd_putb64 ((bfd_vma) symbol_count, buf);
- if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
- return false;
+ if (bfd_bwrite (buf, 8, arch) != 8)
+ return FALSE;
/* Two passes, first write the file offsets for each symbol -
remembering that each offset is on a two byte boundary. */
/* Write out the file offset for the file associated with each
symbol, and remember to keep the offsets padded out. */
-
- current = arch->archive_head;
count = 0;
- while (current != (bfd *) NULL && count < symbol_count)
+ for (current = arch->archive_head;
+ current != NULL && count < symbol_count;
+ current = current->archive_next)
{
/* For each symbol which is used defined in this object, write out
- the object file's address in the archive */
+ the object file's address in the archive. */
- while (map[count].u.abfd == current)
+ for (;
+ count < symbol_count && map[count].u.abfd == current;
+ count++)
{
bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf);
- if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
- return false;
- count++;
+ if (bfd_bwrite (buf, 8, arch) != 8)
+ return FALSE;
}
+
/* Add size of this archive entry */
- archive_member_file_ptr += (arelt_size (current)
- + sizeof (struct ar_hdr));
+ archive_member_file_ptr += sizeof (struct ar_hdr);
+ if (! bfd_is_thin_archive (arch))
+ archive_member_file_ptr += arelt_size (current);
/* remember about the even alignment */
archive_member_file_ptr += archive_member_file_ptr % 2;
- current = current->next;
}
/* now write the strings themselves */
{
size_t len = strlen (*map[count].name) + 1;
- if (bfd_bwrite (*map[count].name, (bfd_size_type) len, arch) != len)
- return false;
+ if (bfd_bwrite (*map[count].name, len, arch) != len)
+ return FALSE;
}
/* The spec says that this should be padded to an 8 byte boundary.
However, the Irix 6.2 tools do not appear to do this. */
while (padding != 0)
{
- if (bfd_bwrite ("", (bfd_size_type) 1, arch) != 1)
- return false;
+ if (bfd_bwrite ("", 1, arch) != 1)
+ return FALSE;
--padding;
}
- return true;
+ return TRUE;
}
projects / deliverable / binutils-gdb.git / blobdiff