| 1 |
38 |
julius |
/* BFD back-end for i386 a.out binaries.
|
| 2 |
|
|
Copyright 1990, 1991, 1992, 1994, 1996, 1997, 2001, 2002, 2003, 2005,
|
| 3 |
|
|
2007 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 |
|
|
/* The only 386 aout system we have here is GO32 from DJ.
|
| 24 |
|
|
These numbers make BFD work with that. If your aout 386 system
|
| 25 |
|
|
doesn't work with these, we'll have to split them into different
|
| 26 |
|
|
files. Send me (sac@cygnus.com) the runes to make it work on your
|
| 27 |
|
|
system, and I'll stick it in for the next release. */
|
| 28 |
|
|
|
| 29 |
|
|
#define N_HEADER_IN_TEXT(x) 0
|
| 30 |
|
|
#define N_TXTOFF(x) 0x20
|
| 31 |
|
|
#define N_TXTADDR(x) (N_MAGIC (x) == ZMAGIC ? 0x1020 : 0)
|
| 32 |
|
|
#define N_TXTSIZE(x) ((x).a_text)
|
| 33 |
|
|
#define TARGET_PAGE_SIZE 4096
|
| 34 |
|
|
#define SEGMENT_SIZE 0x400000
|
| 35 |
|
|
#define DEFAULT_ARCH bfd_arch_i386
|
| 36 |
|
|
|
| 37 |
|
|
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
|
| 38 |
|
|
remove whitespace added here, and thus will fail to concatenate
|
| 39 |
|
|
the tokens. */
|
| 40 |
|
|
#define MY(OP) CONCAT2 (i386aout_,OP)
|
| 41 |
|
|
#define TARGETNAME "a.out-i386"
|
| 42 |
|
|
#define NO_WRITE_HEADER_KLUDGE 1
|
| 43 |
|
|
|
| 44 |
|
|
#include "sysdep.h"
|
| 45 |
|
|
#include "bfd.h"
|
| 46 |
|
|
#include "libbfd.h"
|
| 47 |
|
|
#include "aout/aout64.h"
|
| 48 |
|
|
#include "libaout.h"
|
| 49 |
|
|
|
| 50 |
|
|
/* Set the machine type correctly. */
|
| 51 |
|
|
|
| 52 |
|
|
static bfd_boolean
|
| 53 |
|
|
i386aout_write_object_contents (bfd *abfd)
|
| 54 |
|
|
{
|
| 55 |
|
|
struct external_exec exec_bytes;
|
| 56 |
|
|
struct internal_exec *execp = exec_hdr (abfd);
|
| 57 |
|
|
|
| 58 |
|
|
N_SET_MACHTYPE (*execp, M_386);
|
| 59 |
|
|
|
| 60 |
|
|
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
| 61 |
|
|
|
| 62 |
|
|
WRITE_HEADERS (abfd, execp);
|
| 63 |
|
|
|
| 64 |
|
|
return TRUE;
|
| 65 |
|
|
}
|
| 66 |
|
|
|
| 67 |
|
|
#define MY_write_object_contents i386aout_write_object_contents
|
| 68 |
|
|
#define MY_backend_data & MY (backend_data)
|
| 69 |
|
|
|
| 70 |
|
|
static const struct aout_backend_data MY (backend_data);
|
| 71 |
|
|
|
| 72 |
|
|
#include "aout-target.h"
|
| 73 |
|
|
|
| 74 |
|
|
static const struct aout_backend_data MY (backend_data) =
|
| 75 |
|
|
{
|
| 76 |
|
|
0, /* Zmagic contiguous. */
|
| 77 |
|
|
1, /* Text incl header. */
|
| 78 |
|
|
0, /* Entry is text address. */
|
| 79 |
|
|
0, /* Exec_hdr_flags. */
|
| 80 |
|
|
0, /* Text vma? */
|
| 81 |
|
|
MY (set_sizes),
|
| 82 |
|
|
1, /* Exec header not counted. */
|
| 83 |
|
|
0, /* Add_dynamic_symbols. */
|
| 84 |
|
|
0, /* Add_one_symbol. */
|
| 85 |
|
|
0, /* Link_dynamic_object. */
|
| 86 |
|
|
0, /* Write_dynamic_symbol. */
|
| 87 |
|
|
0, /* Check_dynamic_reloc. */
|
| 88 |
|
|
|
| 89 |
|
|
};
|
