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)))
76 /* Functions in coffgen.c. */
77 extern bfd_target
*coff_object_p
PARAMS ((bfd
*));
78 extern struct sec
*coff_section_from_bfd_index
PARAMS ((bfd
*, int));
79 extern unsigned int coff_get_symtab_upper_bound
PARAMS ((bfd
*));
80 extern unsigned int coff_get_symtab
PARAMS ((bfd
*, asymbol
**));
81 extern void coff_count_linenumbers
PARAMS ((bfd
*));
82 extern struct coff_symbol_struct
*coff_symbol_from
PARAMS ((bfd
*, asymbol
*));
83 extern void coff_renumber_symbols
PARAMS ((bfd
*));
84 extern void coff_mangle_symbols
PARAMS ((bfd
*));
85 extern void coff_write_symbols
PARAMS ((bfd
*));
86 extern void coff_write_linenumbers
PARAMS ((bfd
*));
87 extern alent
*coff_get_lineno
PARAMS ((bfd
*, asymbol
*));
88 extern asymbol
*coff_section_symbol
PARAMS ((bfd
*, char *));
89 extern struct coff_ptr_struct
*coff_get_normalized_symtab
PARAMS ((bfd
*));
90 extern unsigned int coff_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
91 extern asymbol
*coff_make_empty_symbol
PARAMS ((bfd
*));
92 extern void coff_print_symbol
PARAMS ((bfd
*, PTR filep
, asymbol
*,
93 bfd_print_symbol_type how
));
94 extern asymbol
*coff_make_debug_symbol
PARAMS ((bfd
*, PTR
, unsigned long));
95 extern boolean coff_find_nearest_line
PARAMS ((bfd
*,
99 CONST
char **filename_ptr
,
100 CONST
char **functionname_ptr
,
101 unsigned int *line_ptr
));
102 extern int coff_sizeof_headers
PARAMS ((bfd
*, boolean reloc
));
103 extern boolean bfd_coff_reloc16_relax_section
PARAMS ((bfd
*,
106 extern bfd_byte
*bfd_coff_reloc16_get_relocated_section_contents
107 PARAMS ((bfd
*, struct bfd_seclet
*, bfd_byte
*, boolean relocateable
));
108 extern bfd_vma bfd_coff_reloc16_get_value
PARAMS ((arelent
*,
109 struct bfd_seclet
*));
111 /* And more taken from the source .. */
113 typedef struct coff_ptr_struct
116 /* Remembers the offset from the first symbol in the file for
117 this symbol. Generated by coff_renumber_symbols. */
120 /* Should the tag field of this symbol be renumbered.
121 Created by coff_pointerize_aux. */
124 /* Should the endidx field of this symbol be renumbered.
125 Created by coff_pointerize_aux. */
128 /* The container for the symbol structure as read and translated
132 union internal_auxent auxent
;
133 struct internal_syment syment
;
135 } combined_entry_type
;
138 /* Each canonical asymbol really looks like this: */
140 typedef struct coff_symbol_struct
142 /* The actual symbol which the rest of BFD works with */
145 /* A pointer to the hidden information for this symbol */
146 combined_entry_type
*native
;
148 /* A pointer to the linenumber information for this symbol */
149 struct lineno_cache_entry
*lineno
;
151 /* Have the line numbers been relocated yet ? */
156 void (*_bfd_coff_swap_aux_in
) PARAMS ((
163 void (*_bfd_coff_swap_sym_in
) PARAMS ((
168 void (*_bfd_coff_swap_lineno_in
) PARAMS ((
173 unsigned int (*_bfd_coff_swap_aux_out
) PARAMS ((
180 unsigned int (*_bfd_coff_swap_sym_out
) PARAMS ((
185 unsigned int (*_bfd_coff_swap_lineno_out
) PARAMS ((
190 unsigned int (*_bfd_coff_swap_reloc_out
) PARAMS ((
195 unsigned int (*_bfd_coff_swap_filehdr_out
) PARAMS ((
200 unsigned int (*_bfd_coff_swap_aouthdr_out
) PARAMS ((
205 unsigned int (*_bfd_coff_swap_scnhdr_out
) PARAMS ((
210 unsigned int _bfd_filhsz
;
211 unsigned int _bfd_aoutsz
;
212 unsigned int _bfd_scnhsz
;
213 unsigned int _bfd_symesz
;
214 unsigned int _bfd_auxesz
;
215 unsigned int _bfd_linesz
;
216 boolean _bfd_coff_long_filenames
;
217 void (*_bfd_coff_swap_filehdr_in
) PARAMS ((
221 void (*_bfd_coff_swap_aouthdr_in
) PARAMS ((
225 void (*_bfd_coff_swap_scnhdr_in
) PARAMS ((
229 boolean (*_bfd_coff_bad_format_hook
) PARAMS ((
231 PTR internal_filehdr
));
232 boolean (*_bfd_coff_set_arch_mach_hook
) PARAMS ((
234 PTR internal_filehdr
));
235 PTR (*_bfd_coff_mkobject_hook
) PARAMS ((
237 PTR internal_filehdr
));
238 flagword (*_bfd_styp_to_sec_flags_hook
) PARAMS ((
240 PTR internal_scnhdr
));
241 asection
*(*_bfd_make_section_hook
) PARAMS ((
244 void (*_bfd_set_alignment_hook
) PARAMS ((
247 PTR internal_scnhdr
));
248 boolean (*_bfd_coff_slurp_symbol_table
) PARAMS ((
250 boolean (*_bfd_coff_symname_in_debug
) PARAMS ((
252 struct internal_syment
*sym
));
253 void (*_bfd_coff_reloc16_extra_cases
) PARAMS ((
255 struct bfd_seclet
*seclet
,
258 unsigned int *src_ptr
,
259 unsigned int *dst_ptr
));
260 } bfd_coff_backend_data
;
262 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
264 #define bfd_coff_swap_aux_in(a,e,t,c,i) \
265 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,i))
267 #define bfd_coff_swap_sym_in(a,e,i) \
268 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
270 #define bfd_coff_swap_lineno_in(a,e,i) \
271 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
273 #define bfd_coff_swap_reloc_out(abfd, i, o) \
274 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
276 #define bfd_coff_swap_lineno_out(abfd, i, o) \
277 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
279 #define bfd_coff_swap_aux_out(abfd, i, t,c,o) \
280 ((coff_backend_info (abfd)->_bfd_coff_swap_aux_out) (abfd, i,t,c, o))
282 #define bfd_coff_swap_sym_out(abfd, i,o) \
283 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
285 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
286 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
288 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
289 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
291 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
292 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
294 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
295 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
296 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
297 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
298 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
299 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
300 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
301 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
302 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
304 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
305 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
307 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
308 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
310 #define bfd_coff_bad_format_hook(abfd, filehdr) \
311 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
313 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
314 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
315 #define bfd_coff_mkobject_hook(abfd, filehdr)\
316 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr))
318 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr)\
319 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr))
321 #define bfd_coff_make_section_hook(abfd, name)\
322 ((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name))
324 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
325 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
327 #define bfd_coff_slurp_symbol_table(abfd)\
328 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
330 #define bfd_coff_symname_in_debug(abfd, sym)\
331 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
333 #define bfd_coff_reloc16_extra_cases(abfd, seclet, reloc, data, src_ptr, dst_ptr)\
334 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
335 (abfd, seclet, reloc, data, src_ptr, dst_ptr))