1 /* BFD COFF object file private structure.
2 Copyright (C) 1990, 1991, 1992, 1993 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_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count)
32 #define obj_convert(bfd) (coff_data(bfd)->conversion_table)
33 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
35 #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
37 #define obj_symbol_slew(bfd) 0
41 /* `Tdata' information kept for COFF files. */
43 typedef struct coff_tdata
45 struct coff_symbol_struct
*symbols
; /* symtab for input bfd */
46 unsigned int *conversion_table
;
50 long symbol_index_slew
; /* used during read to mark whether a
51 C_FILE symbol as been added. */
53 struct coff_ptr_struct
*raw_syments
;
54 struct lineno
*raw_linenos
;
55 unsigned int raw_syment_count
;
58 /* These are only valid once writing has begun */
61 /* These members communicate important constants about the symbol table
62 to GDB's symbol-reading code. These `constants' unfortunately vary
63 from coff implementation to implementation... */
64 unsigned local_n_btmask
;
65 unsigned local_n_btshft
;
66 unsigned local_n_tmask
;
67 unsigned local_n_tshift
;
68 unsigned local_symesz
;
69 unsigned local_auxesz
;
70 unsigned local_linesz
;
73 /* We take the address of the first element of a asymbol to ensure that the
74 * macro is only ever applied to an asymbol. */
75 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
77 /* Functions in coffgen.c. */
78 extern bfd_target
*coff_object_p
PARAMS ((bfd
*));
79 extern struct sec
*coff_section_from_bfd_index
PARAMS ((bfd
*, int));
80 extern unsigned int coff_get_symtab_upper_bound
PARAMS ((bfd
*));
81 extern unsigned int coff_get_symtab
PARAMS ((bfd
*, asymbol
**));
82 extern int coff_count_linenumbers
PARAMS ((bfd
*));
83 extern struct coff_symbol_struct
*coff_symbol_from
PARAMS ((bfd
*, asymbol
*));
84 extern void coff_renumber_symbols
PARAMS ((bfd
*));
85 extern void coff_mangle_symbols
PARAMS ((bfd
*));
86 extern void coff_write_symbols
PARAMS ((bfd
*));
87 extern void coff_write_linenumbers
PARAMS ((bfd
*));
88 extern alent
*coff_get_lineno
PARAMS ((bfd
*, asymbol
*));
89 extern asymbol
*coff_section_symbol
PARAMS ((bfd
*, char *));
90 extern struct coff_ptr_struct
*coff_get_normalized_symtab
PARAMS ((bfd
*));
91 extern unsigned int coff_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
92 extern asymbol
*coff_make_empty_symbol
PARAMS ((bfd
*));
93 extern void coff_print_symbol
PARAMS ((bfd
*, PTR filep
, asymbol
*,
94 bfd_print_symbol_type how
));
95 extern asymbol
*coff_make_debug_symbol
PARAMS ((bfd
*, PTR
, unsigned long));
96 extern boolean coff_find_nearest_line
PARAMS ((bfd
*,
100 CONST
char **filename_ptr
,
101 CONST
char **functionname_ptr
,
102 unsigned int *line_ptr
));
103 extern int coff_sizeof_headers
PARAMS ((bfd
*, boolean reloc
));
104 extern boolean bfd_coff_reloc16_relax_section
PARAMS ((bfd
*,
107 extern bfd_byte
*bfd_coff_reloc16_get_relocated_section_contents
108 PARAMS ((bfd
*, struct bfd_seclet
*, bfd_byte
*, boolean relocateable
));
109 extern bfd_vma bfd_coff_reloc16_get_value
PARAMS ((arelent
*,
110 struct bfd_seclet
*));
112 /* And more taken from the source .. */
114 typedef struct coff_ptr_struct
117 /* Remembers the offset from the first symbol in the file for
118 this symbol. Generated by coff_renumber_symbols. */
121 /* Should the tag field of this symbol be renumbered.
122 Created by coff_pointerize_aux. */
125 /* Should the endidx field of this symbol be renumbered.
126 Created by coff_pointerize_aux. */
129 /* The container for the symbol structure as read and translated
133 union internal_auxent auxent
;
134 struct internal_syment syment
;
136 } combined_entry_type
;
139 /* Each canonical asymbol really looks like this: */
141 typedef struct coff_symbol_struct
143 /* The actual symbol which the rest of BFD works with */
146 /* A pointer to the hidden information for this symbol */
147 combined_entry_type
*native
;
149 /* A pointer to the linenumber information for this symbol */
150 struct lineno_cache_entry
*lineno
;
152 /* Have the line numbers been relocated yet ? */
157 void (*_bfd_coff_swap_aux_in
) PARAMS ((
164 void (*_bfd_coff_swap_sym_in
) PARAMS ((
169 void (*_bfd_coff_swap_lineno_in
) PARAMS ((
174 unsigned int (*_bfd_coff_swap_aux_out
) PARAMS ((
181 unsigned int (*_bfd_coff_swap_sym_out
) PARAMS ((
186 unsigned int (*_bfd_coff_swap_lineno_out
) PARAMS ((
191 unsigned int (*_bfd_coff_swap_reloc_out
) PARAMS ((
196 unsigned int (*_bfd_coff_swap_filehdr_out
) PARAMS ((
201 unsigned int (*_bfd_coff_swap_aouthdr_out
) PARAMS ((
206 unsigned int (*_bfd_coff_swap_scnhdr_out
) PARAMS ((
211 unsigned int _bfd_filhsz
;
212 unsigned int _bfd_aoutsz
;
213 unsigned int _bfd_scnhsz
;
214 unsigned int _bfd_symesz
;
215 unsigned int _bfd_auxesz
;
216 unsigned int _bfd_linesz
;
217 boolean _bfd_coff_long_filenames
;
218 void (*_bfd_coff_swap_filehdr_in
) PARAMS ((
222 void (*_bfd_coff_swap_aouthdr_in
) PARAMS ((
226 void (*_bfd_coff_swap_scnhdr_in
) PARAMS ((
230 boolean (*_bfd_coff_bad_format_hook
) PARAMS ((
232 PTR internal_filehdr
));
233 boolean (*_bfd_coff_set_arch_mach_hook
) PARAMS ((
235 PTR internal_filehdr
));
236 PTR (*_bfd_coff_mkobject_hook
) PARAMS ((
238 PTR internal_filehdr
,
239 PTR internal_aouthdr
));
240 flagword (*_bfd_styp_to_sec_flags_hook
) PARAMS ((
242 PTR internal_scnhdr
));
243 asection
*(*_bfd_make_section_hook
) PARAMS ((
246 void (*_bfd_set_alignment_hook
) PARAMS ((
249 PTR internal_scnhdr
));
250 boolean (*_bfd_coff_slurp_symbol_table
) PARAMS ((
252 boolean (*_bfd_coff_symname_in_debug
) PARAMS ((
254 struct internal_syment
*sym
));
255 void (*_bfd_coff_reloc16_extra_cases
) PARAMS ((
257 struct bfd_seclet
*seclet
,
260 unsigned int *src_ptr
,
261 unsigned int *dst_ptr
));
262 } bfd_coff_backend_data
;
264 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
266 #define bfd_coff_swap_aux_in(a,e,t,c,i) \
267 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,i))
269 #define bfd_coff_swap_sym_in(a,e,i) \
270 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
272 #define bfd_coff_swap_lineno_in(a,e,i) \
273 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
275 #define bfd_coff_swap_reloc_out(abfd, i, o) \
276 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
278 #define bfd_coff_swap_lineno_out(abfd, i, o) \
279 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
281 #define bfd_coff_swap_aux_out(abfd, i, t,c,o) \
282 ((coff_backend_info (abfd)->_bfd_coff_swap_aux_out) (abfd, i,t,c, o))
284 #define bfd_coff_swap_sym_out(abfd, i,o) \
285 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
287 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
288 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
290 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
291 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
293 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
294 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
296 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
297 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
298 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
299 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
300 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
301 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
302 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
303 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
304 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
306 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
307 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
309 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
310 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
312 #define bfd_coff_bad_format_hook(abfd, filehdr) \
313 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
315 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
316 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
317 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
318 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
320 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr)\
321 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr))
323 #define bfd_coff_make_section_hook(abfd, name)\
324 ((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name))
326 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
327 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
329 #define bfd_coff_slurp_symbol_table(abfd)\
330 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
332 #define bfd_coff_symname_in_debug(abfd, sym)\
333 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
335 #define bfd_coff_reloc16_extra_cases(abfd, seclet, reloc, data, src_ptr, dst_ptr)\
336 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
337 (abfd, seclet, reloc, data, src_ptr, dst_ptr))