1 /* BFD back-end for i386 a.out binaries under dynix.
2 Copyright (C) 1994 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* This BFD is currently only tested with gdb, writing object files
23 #define BYTES_IN_WORD 4
26 #define TEXT_START_ADDR 4096
27 #define PAGE_SIZE 4096
28 #define SEGMENT_SIZE PAGE_SIZE
30 #include "aout/dynix3.h"
32 #define DEFAULT_ARCH bfd_arch_i386
33 #define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
35 #define MY(OP) CAT(i386dynix_,OP)
36 #define TARGETNAME "a.out-i386-dynix"
43 /* (Ab)use some fields in the internal exec header to be able to read
44 executables that contain shared data. */
46 #define a_shdata a_tload
47 #define a_shdrsize a_dload
48 #define aout_32_swap_exec_header_in dynix_swap_exec_header_in
51 dynix_swap_exec_header_in (abfd
, raw_bytes
, execp
)
53 struct external_exec
*raw_bytes
;
54 struct internal_exec
*execp
;
56 struct external_exec
*bytes
= (struct external_exec
*)raw_bytes
;
58 /* The internal_exec structure has some fields that are unused in this
59 configuration (IE for i960), so ensure that all such uninitialized
60 fields are zero'd out. There are places where two of these structs
61 are memcmp'd, and thus the contents do matter. */
62 memset ((PTR
) execp
, 0, sizeof (struct internal_exec
));
63 /* Now fill in fields in the execp, from the bytes in the raw data. */
64 execp
->a_info
= bfd_h_get_32 (abfd
, bytes
->e_info
);
65 execp
->a_text
= GET_WORD (abfd
, bytes
->e_text
);
66 execp
->a_data
= GET_WORD (abfd
, bytes
->e_data
);
67 execp
->a_bss
= GET_WORD (abfd
, bytes
->e_bss
);
68 execp
->a_syms
= GET_WORD (abfd
, bytes
->e_syms
);
69 execp
->a_entry
= GET_WORD (abfd
, bytes
->e_entry
);
70 execp
->a_trsize
= GET_WORD (abfd
, bytes
->e_trsize
);
71 execp
->a_drsize
= GET_WORD (abfd
, bytes
->e_drsize
);
72 execp
->a_shdata
= GET_WORD (abfd
, bytes
->e_shdata
);
73 execp
->a_shdrsize
= GET_WORD (abfd
, bytes
->e_shdrsize
);
76 #include "aout-target.h"
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