1 /* BFD back-end for i386 a.out binaries under dynix.
2 Copyright 1994, 1995, 2001, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 /* This BFD is currently only tested with gdb, writing object files
23 #define TEXT_START_ADDR 4096
24 #define TARGET_PAGE_SIZE 4096
25 #define SEGMENT_SIZE TARGET_PAGE_SIZE
27 #include "aout/dynix3.h"
29 #define DEFAULT_ARCH bfd_arch_i386
30 #define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
32 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
33 remove whitespace added here, and thus will fail to concatenate
35 #define MY(OP) CONCAT2 (i386dynix_,OP)
36 #define TARGETNAME "a.out-i386-dynix"
37 #define NAME(x,y) CONCAT3 (i386dynix,_32_,y)
39 #define NAME_swap_exec_header_in NAME(i386dynix_32_,swap_exec_header_in)
40 #define MY_get_section_contents aout_32_get_section_contents
42 /* aoutx.h requires definitions for NMAGIC, BMAGIC and QMAGIC. */
49 /* (Ab)use some fields in the internal exec header to be able to read
50 executables that contain shared data. */
52 #define a_shdata a_tload
53 #define a_shdrsize a_dload
56 i386dynix_32_swap_exec_header_in (abfd
, raw_bytes
, execp
)
58 struct external_exec
*raw_bytes
;
59 struct internal_exec
*execp
;
61 struct external_exec
*bytes
= (struct external_exec
*)raw_bytes
;
63 /* The internal_exec structure has some fields that are unused in this
64 configuration (IE for i960), so ensure that all such uninitialized
65 fields are zero'd out. There are places where two of these structs
66 are memcmp'd, and thus the contents do matter. */
67 memset ((PTR
) execp
, 0, sizeof (struct internal_exec
));
68 /* Now fill in fields in the execp, from the bytes in the raw data. */
69 execp
->a_info
= H_GET_32 (abfd
, bytes
->e_info
);
70 execp
->a_text
= GET_WORD (abfd
, bytes
->e_text
);
71 execp
->a_data
= GET_WORD (abfd
, bytes
->e_data
);
72 execp
->a_bss
= GET_WORD (abfd
, bytes
->e_bss
);
73 execp
->a_syms
= GET_WORD (abfd
, bytes
->e_syms
);
74 execp
->a_entry
= GET_WORD (abfd
, bytes
->e_entry
);
75 execp
->a_trsize
= GET_WORD (abfd
, bytes
->e_trsize
);
76 execp
->a_drsize
= GET_WORD (abfd
, bytes
->e_drsize
);
77 execp
->a_shdata
= GET_WORD (abfd
, bytes
->e_shdata
);
78 execp
->a_shdrsize
= GET_WORD (abfd
, bytes
->e_shdrsize
);
81 #include "aout-target.h"
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