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author | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:11 +0000 |
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committer | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:11 +0000 |
commit | 252b5132c753830d5fd56823373aed85f2a0db63 (patch) | |
tree | 1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/i386aout.c | |
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'bfd/i386aout.c')
-rw-r--r-- | bfd/i386aout.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/bfd/i386aout.c b/bfd/i386aout.c new file mode 100644 index 0000000..d0b2cff --- /dev/null +++ b/bfd/i386aout.c @@ -0,0 +1,91 @@ +/* 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" |