bfd/freebsd.h

   1 /* BFD back-end definitions used by all FreeBSD targets.
   2    Copyright 1990, 1991, 1992, 1996, 1997, 2000, 2001, 2002, 2005, 2007
   3    Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 /* FreeBSD ZMAGIC files never have the header in the text. */
  24 #define N_HEADER_IN_TEXT(x)     0
  25
  26 /* ZMAGIC files start at offset 0.  Does not apply to QMAGIC files. */
  27 #define TEXT_START_ADDR         0
  28
  29 #define N_GETMAGIC_NET(exec) \
  30         ((exec).a_info & 0xffff)
  31 #define N_GETMID_NET(exec) \
  32         (((exec).a_info >> 16) & 0x3ff)
  33 #define N_GETFLAG_NET(ex) \
  34         (((exec).a_info >> 26) & 0x3f)
  35
  36 #define N_MACHTYPE(exec) \
  37         ((enum machine_type) \
  38          ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETMID_NET (exec) : \
  39           ((exec).a_info >> 16) & 0x3ff))
  40 #define N_FLAGS(exec) \
  41         ((N_GETMAGIC_NET (exec) == ZMAGIC) ? N_GETFLAG_NET (exec) : \
  42          ((exec).a_info >> 26) & 0x3f)
  43
  44 #define N_SET_INFO(exec, magic, type, flags) \
  45         ((exec).a_info = ((magic) & 0xffff) \
  46          | (((int)(type) & 0x3ff) << 16) \
  47          | (((flags) & 0x3f) << 26))
  48 #define N_SET_MACHTYPE(exec, machtype) \
  49         ((exec).a_info = \
  50          ((exec).a_info & 0xfb00ffff) | ((((int) (machtype)) & 0x3ff) << 16))
  51 #define N_SET_FLAGS(exec, flags) \
  52         ((exec).a_info = \
  53          ((exec).a_info & 0x03ffffff) | ((flags & 0x03f) << 26))
  54
  55 #include "sysdep.h"
  56 #include "bfd.h"
  57 #include "libbfd.h"
  58 #include "libaout.h"
  59
  60 /* On FreeBSD, the magic number is always in i386 (little-endian)
  61    format.  I think.  */
  62 #define SWAP_MAGIC(ext) bfd_getl32 (ext)
  63
  64 #define MY_write_object_contents MY (write_object_contents)
  65 static bfd_boolean MY (write_object_contents) (bfd *);
  66
  67 #include "aout-target.h"
  68
  69 /* Write an object file.
  70    Section contents have already been written.  We write the
  71    file header, symbols, and relocation.  */
  72
  73 static bfd_boolean
  74 MY (write_object_contents) (bfd *abfd)
  75 {
  76   struct external_exec exec_bytes;
  77   struct internal_exec *execp = exec_hdr (abfd);
  78
  79   obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
  80
  81   /* Magic number, maestro, please!  */
  82   switch (bfd_get_arch(abfd))
  83     {
  84     case bfd_arch_m68k:
  85       if (strcmp (abfd->xvec->name, "a.out-m68k4k-netbsd") == 0)
  86         N_SET_MACHTYPE (*execp, M_68K4K_NETBSD);
  87       else
  88         N_SET_MACHTYPE (*execp, M_68K_NETBSD);
  89       break;
  90     case bfd_arch_sparc:
  91       N_SET_MACHTYPE (*execp, M_SPARC_NETBSD);
  92       break;
  93     case bfd_arch_i386:
  94       N_SET_MACHTYPE (*execp, M_386_NETBSD);
  95       break;
  96     case bfd_arch_ns32k:
  97       N_SET_MACHTYPE (*execp, M_532_NETBSD);
  98       break;
  99     default:
 100       N_SET_MACHTYPE (*execp, M_UNKNOWN);
 101       break;
 102     }
 103
 104   WRITE_HEADERS(abfd, execp);
 105
 106   return TRUE;
 107 }