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-rw-r--r--contrib/binutils/bfd/archive64.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/contrib/binutils/bfd/archive64.c b/contrib/binutils/bfd/archive64.c
new file mode 100644
index 0000000..ea94c6a
--- /dev/null
+++ b/contrib/binutils/bfd/archive64.c
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+/* MIPS-specific support for 64-bit ELF
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001
+ 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 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. */
+
+/* This file supports the 64-bit (MIPS) ELF archives. */
+
+#include "bfd.h"
+#include "sysdep.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;
+{
+ 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;
+ bfd_byte *raw_armap = NULL;
+ carsym *carsyms;
+ bfd_size_type amt;
+
+ ardata->symdefs = NULL;
+
+ /* Get the name of the first element. */
+ arhdrpos = bfd_tell (abfd);
+ i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd);
+ if (i == 0)
+ return true;
+ if (i != 16)
+ return false;
+
+ if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0)
+ return false;
+
+ /* Archives with traditional armaps are still permitted. */
+ if (strncmp (nextname, "/ ", 16) == 0)
+ return bfd_slurp_armap (abfd);
+
+ if (strncmp (nextname, "/SYM64/ ", 16) != 0)
+ {
+ bfd_has_map (abfd) = false;
+ return true;
+ }
+
+ mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
+ if (mapdata == NULL)
+ return false;
+ parsed_size = mapdata->parsed_size;
+ bfd_release (abfd, (PTR) mapdata);
+
+ if (bfd_bread (int_buf, (bfd_size_type) 8, abfd) != 8)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_malformed_archive);
+ return false;
+ }
+
+ nsymz = bfd_getb64 (int_buf);
+ stringsize = parsed_size - 8 * nsymz - 8;
+
+ carsym_size = nsymz * sizeof (carsym);
+ ptrsize = 8 * nsymz;
+
+ amt = carsym_size + stringsize + 1;
+ ardata->symdefs = (carsym *) bfd_zalloc (abfd, amt);
+ if (ardata->symdefs == NULL)
+ 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
+ || 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;
+ }
+
+ for (i = 0; i < nsymz; i++)
+ {
+ carsyms->file_offset = bfd_getb64 (raw_armap + i * 8);
+ carsyms->name = stringbase;
+ stringbase += strlen (stringbase) + 1;
+ ++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;
+ bfd_release (abfd, raw_armap);
+
+ return true;
+
+release_raw_armap:
+ bfd_release (abfd, raw_armap);
+release_symdefs:
+ bfd_release (abfd, ardata->symdefs);
+ 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;
+{
+ unsigned int ranlibsize = (symbol_count * 8) + 8;
+ unsigned int stringsize = stridx;
+ unsigned int mapsize = stringsize + ranlibsize;
+ file_ptr archive_member_file_ptr;
+ bfd *current = arch->archive_head;
+ unsigned int count;
+ struct ar_hdr hdr;
+ unsigned int i;
+ int padding;
+ bfd_byte buf[8];
+
+ padding = BFD_ALIGN (mapsize, 8) - mapsize;
+ mapsize += padding;
+
+ /* work out where the first object file will go in the archive */
+ archive_member_file_ptr = (mapsize
+ + elength
+ + 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));
+ /* 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]) = ' ';
+
+ /* 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)
+ != sizeof (struct ar_hdr))
+ return false;
+
+ bfd_putb64 ((bfd_vma) symbol_count, buf);
+ if (bfd_bwrite (buf, (bfd_size_type) 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 each symbol which is used defined in this object, write out
+ the object file's address in the archive */
+
+ while (map[count].u.abfd == current)
+ {
+ bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf);
+ if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
+ return false;
+ count++;
+ }
+ /* Add size of this archive entry */
+ archive_member_file_ptr += (arelt_size (current)
+ + sizeof (struct ar_hdr));
+ /* remember about the even alignment */
+ archive_member_file_ptr += archive_member_file_ptr % 2;
+ current = current->next;
+ }
+
+ /* now write the strings themselves */
+ for (count = 0; count < symbol_count; count++)
+ {
+ size_t len = strlen (*map[count].name) + 1;
+
+ if (bfd_bwrite (*map[count].name, (bfd_size_type) 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;
+ --padding;
+ }
+
+ return true;
+}
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