| /* BFD back-end for i386 a.out binaries. |
| Copyright 1990, 91, 92, 94, 95, 96, 1997 Free Software Foundation, Inc. |
| |
| 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. */ |
| |
| |
| /* The only 386 aout system we have here is GO32 from DJ. |
| These numbers make BFD work with that. If your aout 386 system |
| doesn't work with these, we'll have to split them into different |
| files. Send me (sac@cygnus.com) the runes to make it work on your |
| system, and I'll stick it in for the next release. */ |
| |
| #define N_HEADER_IN_TEXT(x) 0 |
| #define BYTES_IN_WORD 4 |
| |
| #define N_TXTOFF(x) 0x20 |
| #define N_TXTADDR(x) (N_MAGIC(x)==ZMAGIC ? 0x1020 : 0) |
| |
| #define N_TXTSIZE(x) ((x).a_text) |
| #if 0 |
| #define N_DATADDR(x) (N_MAGIC(x)==OMAGIC? (N_TXTADDR(x)+(x).a_text) : (SEGMENT_SIZE + ((0x1020+(x).a_text-1) & ~(SEGMENT_SIZE-1)))) |
| #define NOSUBEXECB |
| |
| #endif |
| #define TARGET_PAGE_SIZE 4096 |
| #define SEGMENT_SIZE 0x400000 |
| #define DEFAULT_ARCH bfd_arch_i386 |
| |
| #define MY(OP) CAT(i386aout_,OP) |
| #define TARGETNAME "a.out-i386" |
| #define NO_WRITE_HEADER_KLUDGE 1 |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| #include "libbfd.h" |
| #include "aout/aout64.h" |
| #include "libaout.h" |
| |
| /* Set the machine type correctly. */ |
| |
| static boolean |
| i386aout_write_object_contents (abfd) |
| bfd *abfd; |
| { |
| struct external_exec exec_bytes; |
| struct internal_exec *execp = exec_hdr (abfd); |
| |
| N_SET_MACHTYPE (*execp, M_386); |
| |
| obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| |
| WRITE_HEADERS (abfd, execp); |
| |
| return true; |
| } |
| |
| #define MY_write_object_contents i386aout_write_object_contents |
| |
| static boolean MY(set_sizes)(); |
| #define MY_backend_data &MY(backend_data) |
| static CONST struct aout_backend_data MY(backend_data) = { |
| 0, /* zmagic contiguous */ |
| 1, /* text incl header */ |
| 0, /* entry is text address */ |
| 0, /* exec_hdr_flags */ |
| 0, /* text vma? */ |
| MY(set_sizes), |
| 1, /* exec header not counted */ |
| 0, /* add_dynamic_symbols */ |
| 0, /* add_one_symbol */ |
| 0, /* link_dynamic_object */ |
| 0, /* write_dynamic_symbol */ |
| 0, /* check_dynamic_reloc */ |
| 0 /* finish_dynamic_link */ |
| }; |
| |
| #include "aout-target.h" |