bfd/elf32-i386-fbsd.c

   1 /* Intel IA-32 specific support for 32-bit ELF on FreeBSD.
   2    Copyright 2002 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #define TARGET_LITTLE_SYM       bfd_elf32_i386_freebsd_vec
  21 #define TARGET_LITTLE_NAME      "elf32-i386-freebsd"
  22 #define ELF_ARCH                bfd_arch_i386
  23 #define ELF_MACHINE_CODE        EM_386
  24 #define ELF_MAXPAGESIZE         0x1000
  25
  26 #include "bfd.h"
  27 #include "sysdep.h"
  28 #include "elf-bfd.h"
  29
  30 /* The kernel recognizes executables as valid only if they carry a
  31    "FreeBSD" label in the ELF header.  So we put this label on all
  32    executables and (for simplicity) also all other object files.  */
  33
  34 static void elf_i386_post_process_headers
  35   PARAMS ((bfd *, struct bfd_link_info *));
  36
  37 static void
  38 elf_i386_post_process_headers (abfd, link_info)
  39      bfd * abfd;
  40      struct bfd_link_info * link_info ATTRIBUTE_UNUSED;
  41 {
  42   Elf_Internal_Ehdr * i_ehdrp;  /* ELF file header, internal form.  */
  43
  44   i_ehdrp = elf_elfheader (abfd);
  45
  46   /* Put an ABI label supported by FreeBSD >= 4.1.  */
  47   i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_FREEBSD;
  48 #ifdef OLD_FREEBSD_ABI_LABEL
  49   /* The ABI label supported by FreeBSD <= 4.0 is quite nonstandard.  */
  50   memcpy (&i_ehdrp->e_ident[EI_ABIVERSION], "FreeBSD", 8);
  51 #endif
  52 }
  53
  54 #define elf_backend_post_process_headers        elf_i386_post_process_headers
  55
  56 #include "elf32-i386.c"