1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Diddler.
BFD 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 1, or (at your option)
any later version.
BFD 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 BFD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* $Id$ */
/* BFD back-end data structures for a.out (and similar) files.
We try to encapsulate the differences in a few routines, and otherwise
share large masses of code. This means we only have to fix bugs in
one place, most of the time. */
/** a.out files */
#define exec_hdr(bfd) (((struct sunexdata *) ((bfd)->tdata))->hdr)
/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
#define obj_textsec(bfd) (((struct sunexdata *) ((bfd)->tdata))->textsec)
#define obj_datasec(bfd) (((struct sunexdata *) ((bfd)->tdata))->datasec)
#define obj_bsssec(bfd) (((struct sunexdata *) ((bfd)->tdata))->bsssec)
#define obj_sym_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->sym_filepos)
#define obj_str_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->str_filepos)
typedef struct {
asymbol symbol;
short desc;
char other;
unsigned char type;
} aout_symbol_type;
struct sunexdata {
struct exec *hdr; /* exec file header */
aout_symbol_type *symbols; /* symtab for input bfd */
/* For ease, we do this */
asection *textsec;
asection *datasec;
asection *bsssec;
/* We remember these offsets so that after check_file_format, we have
no dependencies on the particular format of the exec_hdr. */
file_ptr sym_filepos;
file_ptr str_filepos;
};
#define obj_outsymbols(bfd) ((PTR)(((struct sunexdata *) ((bfd)->tdata))->outsymbols))
/* We take the address of the first element of an asymbol to ensure that the
* macro is only ever applied to an asymbol */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
#define obj_aout_symbols(bfd) ((((struct sunexdata *) (bfd)->tdata))->symbols)
#define obj_arch_flags(bfd) ((((struct sunexdata *) (bfd)->tdata))->arch_flags)
#define get_tdata(x) ((struct sunexdata *)((x)->tdata))
|
