81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Diddler.
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BFD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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BFD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with BFD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* $Id$ */
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/* BFD back-end data structures for a.out (and similar) files.
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We try to encapsulate the differences in a few routines, and otherwise
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share large masses of code. This means we only have to fix bugs in
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one place, most of the time. */
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/** a.out files */
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#define exec_hdr(bfd) (((struct sunexdata *) ((bfd)->tdata))->hdr)
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/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
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#define obj_textsec(bfd) (((struct sunexdata *) ((bfd)->tdata))->textsec)
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#define obj_datasec(bfd) (((struct sunexdata *) ((bfd)->tdata))->datasec)
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#define obj_bsssec(bfd) (((struct sunexdata *) ((bfd)->tdata))->bsssec)
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#define obj_sym_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->sym_filepos)
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#define obj_str_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->str_filepos)
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typedef struct {
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asymbol symbol;
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short desc;
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char other;
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unsigned char type;
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} aout_symbol_type;
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struct sunexdata {
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struct exec *hdr; /* exec file header */
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aout_symbol_type *symbols; /* symtab for input bfd */
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/* For ease, we do this */
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asection *textsec;
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asection *datasec;
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asection *bsssec;
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/* We remember these offsets so that after check_file_format, we have
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no dependencies on the particular format of the exec_hdr. */
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file_ptr sym_filepos;
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file_ptr str_filepos;
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};
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#define obj_outsymbols(bfd) ((PTR)(((struct sunexdata *) ((bfd)->tdata))->outsymbols))
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/* We case the address of the first element of a asymbol to ensure that the
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* macro is only every applied to an asymbol
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*/
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#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
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/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
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#define obj_aout_symbols(bfd) ((((struct sunexdata *) (bfd)->tdata))->symbols)
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#define obj_arch_flags(bfd) ((((struct sunexdata *) (bfd)->tdata))->arch_flags)
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#define get_tdata(x) ((struct sunexdata *)((x)->tdata))
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#define set_tdata(x,y) ((x)->tdata = (PTR) (y))
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