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)
32 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
34 #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
36 #define obj_symbol_slew(bfd) 0
40 /* `Tdata' information kept for COFF files. */
42 typedef struct coff_tdata
44 struct coff_symbol_struct
*symbols
; /* symtab for input bfd */
45 unsigned int *conversion_table
;
49 long symbol_index_slew
; /* used during read to mark whether a
50 C_FILE symbol as been added. */
52 struct coff_ptr_struct
*raw_syments
;
53 struct lineno
*raw_linenos
;
54 unsigned int raw_syment_count
;
57 /* These are only valid once writing has begun */
60 /* These members communicate important constants about the symbol table
61 to GDB's symbol-reading code. These `constants' unfortunately vary
62 from coff implementation to implementation... */
63 unsigned local_n_btmask
;
64 unsigned local_n_btshft
;
65 unsigned local_n_tmask
;
66 unsigned local_n_tshift
;
67 unsigned local_symesz
;
68 unsigned local_auxesz
;
69 unsigned local_linesz
;
72 /* We take the address of the first element of a asymbol to ensure that the
73 * macro is only ever applied to an asymbol. */
74 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
78 /* And more taken from the source .. */
80 typedef struct coff_ptr_struct
83 /* Remembers the offset from the first symbol in the file for
84 this symbol. Generated by coff_renumber_symbols. */
87 /* Should the tag field of this symbol be renumbered.
88 Created by coff_pointerize_aux. */
91 /* Should the endidx field of this symbol be renumbered.
92 Created by coff_pointerize_aux. */
95 /* The container for the symbol structure as read and translated
99 union internal_auxent auxent
;
100 struct internal_syment syment
;
102 } combined_entry_type
;
105 /* Each canonical asymbol really looks like this: */
107 typedef struct coff_symbol_struct
109 /* The actual symbol which the rest of BFD works with */
112 /* A pointer to the hidden information for this symbol */
113 combined_entry_type
*native
;
115 /* A pointer to the linenumber information for this symbol */
116 struct lineno_cache_entry
*lineno
;
118 /* Have the line numbers been relocated yet ? */
122 void (*_bfd_coff_swap_aux_in
) PARAMS ((
129 void (*_bfd_coff_swap_sym_in
) PARAMS ((
134 void (*_bfd_coff_swap_lineno_in
) PARAMS ((
139 unsigned int (*_bfd_coff_swap_aux_out
) PARAMS ((
146 unsigned int (*_bfd_coff_swap_sym_out
) PARAMS ((
151 unsigned int (*_bfd_coff_swap_lineno_out
) PARAMS ((
156 unsigned int (*_bfd_coff_swap_reloc_out
) PARAMS ((
161 unsigned int (*_bfd_coff_swap_filehdr_out
) PARAMS ((
166 unsigned int (*_bfd_coff_swap_aouthdr_out
) PARAMS ((
171 unsigned int (*_bfd_coff_swap_scnhdr_out
) PARAMS ((
176 } bfd_coff_backend_data
;
178 extern bfd_coff_backend_data bfd_coff_std_swap_table
;
180 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
182 #define bfd_coff_swap_aux_in(a,e,t,c,i) \
183 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,i))
185 #define bfd_coff_swap_sym_in(a,e,i) \
186 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
188 #define bfd_coff_swap_lineno_in(a,e,i) \
189 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
191 #define bfd_coff_swap_reloc_out(abfd, i, o) \
192 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
194 #define bfd_coff_swap_lineno_out(abfd, i, o) \
195 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
197 #define bfd_coff_swap_aux_out(abfd, i, t,c,o) \
198 ((coff_backend_info (abfd)->_bfd_coff_swap_aux_out) (abfd, i,t,c, o))
200 #define bfd_coff_swap_sym_out(abfd, i,o) \
201 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
203 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
204 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
206 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
207 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
209 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
210 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))