1 /* BFD COFF object file private structure.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
22 /* Object file tdata; access macros */
24 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
25 #define exec_hdr(bfd) (coff_data(bfd)->hdr)
26 #define obj_symbols(bfd) (coff_data(bfd)->symbols)
27 #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos)
29 #define obj_relocbase(bfd) (coff_data(bfd)->relocbase)
30 #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments)
31 #define obj_convert(bfd) (coff_data(bfd)->conversion_table)
33 #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
35 #define obj_symbol_slew(bfd) 0
39 /* `Tdata' information kept for COFF files. */
41 typedef struct coff_tdata
43 struct coff_symbol_struct
*symbols
; /* symtab for input bfd */
44 unsigned int *conversion_table
;
47 long symbol_index_slew
; /* used during read to mark whether a
48 C_FILE symbol as been added. */
50 struct coff_ptr_struct
*raw_syments
;
51 struct lineno
*raw_linenos
;
52 unsigned int raw_syment_count
;
55 /* These are only valid once writing has begun */
58 /* These members communicate important constants about the symbol table
59 to GDB's symbol-reading code. These `constants' unfortunately vary
60 from coff implementation to implementation... */
61 unsigned local_n_btmask
;
62 unsigned local_n_btshft
;
63 unsigned local_n_tmask
;
64 unsigned local_n_tshift
;
65 unsigned local_symesz
;
66 unsigned local_auxesz
;
67 unsigned local_linesz
;
70 /* We take the address of the first element of a asymbol to ensure that the
71 * macro is only ever applied to an asymbol. */
72 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
76 /* And more taken from the source .. */
78 typedef struct coff_ptr_struct
81 /* Remembers the offset from the first symbol in the file for
82 this symbol. Generated by coff_renumber_symbols. */
85 /* Should the tag field of this symbol be renumbered.
86 Created by coff_pointerize_aux. */
89 /* Should the endidx field of this symbol be renumbered.
90 Created by coff_pointerize_aux. */
93 /* The container for the symbol structure as read and translated
97 union internal_auxent auxent
;
98 struct internal_syment syment
;
100 } combined_entry_type
;
103 /* Each canonical asymbol really looks like this: */
105 typedef struct coff_symbol_struct
107 /* The actual symbol which the rest of BFD works with */
110 /* A pointer to the hidden information for this symbol */
111 combined_entry_type
*native
;
113 /* A pointer to the linenumber information for this symbol */
114 struct lineno_cache_entry
*lineno
;