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3c8a3c56 | 1 | /* BFD COFF object file private structure. |
85fe7cff | 2 | Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc. |
3c8a3c56 | 3 | Written by Cygnus Support. |
4a81b561 | 4 | |
3c8a3c56 | 5 | This file is part of BFD, the Binary File Descriptor library. |
4a81b561 | 6 | |
3c8a3c56 | 7 | This program is free software; you can redistribute it and/or modify |
4a81b561 | 8 | it under the terms of the GNU General Public License as published by |
3c8a3c56 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
4a81b561 | 11 | |
3c8a3c56 | 12 | This program is distributed in the hope that it will be useful, |
4a81b561 DHW |
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
3c8a3c56 JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
4a81b561 | 20 | |
4a81b561 | 21 | |
4a81b561 DHW |
22 | /* Object file tdata; access macros */ |
23 | ||
2f8640fe | 24 | #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) |
3b4f1a5d SC |
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) | |
3c8a3c56 | 28 | |
3b4f1a5d SC |
29 | #define obj_relocbase(bfd) (coff_data(bfd)->relocbase) |
30 | #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments) | |
85fe7cff | 31 | #define obj_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count) |
3b4f1a5d | 32 | #define obj_convert(bfd) (coff_data(bfd)->conversion_table) |
07de8e96 | 33 | #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size) |
0cda46cf SC |
34 | #if CFILE_STUFF |
35 | #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew) | |
36 | #else | |
37 | #define obj_symbol_slew(bfd) 0 | |
38 | #endif | |
39 | ||
4a81b561 | 40 | |
3b4f1a5d | 41 | /* `Tdata' information kept for COFF files. */ |
3c8a3c56 | 42 | |
3b4f1a5d SC |
43 | typedef struct coff_tdata |
44 | { | |
45 | struct coff_symbol_struct *symbols; /* symtab for input bfd */ | |
4a81b561 | 46 | unsigned int *conversion_table; |
07de8e96 | 47 | int conv_table_size; |
4a81b561 DHW |
48 | file_ptr sym_filepos; |
49 | ||
50 | long symbol_index_slew; /* used during read to mark whether a | |
51 | C_FILE symbol as been added. */ | |
52 | ||
3b4f1a5d | 53 | struct coff_ptr_struct *raw_syments; |
4a81b561 DHW |
54 | struct lineno *raw_linenos; |
55 | unsigned int raw_syment_count; | |
9872a49c | 56 | unsigned short flags; |
3b4f1a5d | 57 | |
4a81b561 DHW |
58 | /* These are only valid once writing has begun */ |
59 | long int relocbase; | |
3b4f1a5d SC |
60 | |
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; | |
9872a49c | 71 | } coff_data_type; |
4a81b561 | 72 | |
fc723380 | 73 | /* We take the address of the first element of a asymbol to ensure that the |
4a81b561 DHW |
74 | * macro is only ever applied to an asymbol. */ |
75 | #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) | |
fc723380 | 76 | |
075caafd ILT |
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 **)); | |
85fe7cff | 82 | extern int coff_count_linenumbers PARAMS ((bfd *)); |
075caafd ILT |
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 *, | |
97 | asection *, | |
98 | asymbol **, | |
99 | bfd_vma offset, | |
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 *, | |
105 | asection *, | |
106 | asymbol **)); | |
107 | extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents | |
0c2fae09 | 108 | PARAMS ((bfd *, struct bfd_seclet *, bfd_byte *, boolean relocateable)); |
075caafd | 109 | extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, |
918356b9 | 110 | struct bfd_seclet *)); |
3c8a3c56 | 111 | |
616ebcfd | 112 | /* And more taken from the source .. */ |
3c8a3c56 | 113 | |
2f8640fe | 114 | typedef struct coff_ptr_struct |
0cda46cf | 115 | { |
616ebcfd SC |
116 | |
117 | /* Remembers the offset from the first symbol in the file for | |
118 | this symbol. Generated by coff_renumber_symbols. */ | |
0cda46cf | 119 | unsigned int offset; |
616ebcfd SC |
120 | |
121 | /* Should the tag field of this symbol be renumbered. | |
122 | Created by coff_pointerize_aux. */ | |
0cda46cf | 123 | char fix_tag; |
616ebcfd SC |
124 | |
125 | /* Should the endidx field of this symbol be renumbered. | |
126 | Created by coff_pointerize_aux. */ | |
0cda46cf | 127 | char fix_end; |
616ebcfd SC |
128 | |
129 | /* The container for the symbol structure as read and translated | |
130 | from the file. */ | |
131 | ||
0cda46cf SC |
132 | union { |
133 | union internal_auxent auxent; | |
134 | struct internal_syment syment; | |
135 | } u; | |
136 | } combined_entry_type; | |
616ebcfd SC |
137 | |
138 | ||
139 | /* Each canonical asymbol really looks like this: */ | |
140 | ||
0cda46cf SC |
141 | typedef struct coff_symbol_struct |
142 | { | |
07de8e96 KR |
143 | /* The actual symbol which the rest of BFD works with */ |
144 | asymbol symbol; | |
616ebcfd | 145 | |
07de8e96 KR |
146 | /* A pointer to the hidden information for this symbol */ |
147 | combined_entry_type *native; | |
c618de01 | 148 | |
07de8e96 KR |
149 | /* A pointer to the linenumber information for this symbol */ |
150 | struct lineno_cache_entry *lineno; | |
151 | ||
152 | /* Have the line numbers been relocated yet ? */ | |
153 | boolean done_lineno; | |
616ebcfd | 154 | } coff_symbol_type; |
075caafd ILT |
155 | typedef struct |
156 | { | |
07de8e96 KR |
157 | void (*_bfd_coff_swap_aux_in) PARAMS (( |
158 | bfd *abfd , | |
159 | PTR ext, | |
160 | int type, | |
161 | int class , | |
162 | PTR in)); | |
163 | ||
164 | void (*_bfd_coff_swap_sym_in) PARAMS (( | |
165 | bfd *abfd , | |
166 | PTR ext, | |
167 | PTR in)); | |
168 | ||
169 | void (*_bfd_coff_swap_lineno_in) PARAMS (( | |
170 | bfd *abfd, | |
171 | PTR ext, | |
172 | PTR in)); | |
173 | ||
174 | unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( | |
175 | bfd *abfd, | |
176 | PTR in, | |
177 | int type, | |
178 | int class, | |
179 | PTR ext)); | |
180 | ||
181 | unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( | |
182 | bfd *abfd, | |
183 | PTR in, | |
184 | PTR ext)); | |
185 | ||
186 | unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( | |
187 | bfd *abfd, | |
188 | PTR in, | |
189 | PTR ext)); | |
190 | ||
191 | unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( | |
192 | bfd *abfd, | |
193 | PTR src, | |
194 | PTR dst)); | |
195 | ||
196 | unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( | |
197 | bfd *abfd, | |
198 | PTR in, | |
199 | PTR out)); | |
200 | ||
201 | unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( | |
202 | bfd *abfd, | |
203 | PTR in, | |
204 | PTR out)); | |
205 | ||
206 | unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( | |
207 | bfd *abfd, | |
208 | PTR in, | |
209 | PTR out)); | |
210 | ||
075caafd ILT |
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 (( | |
219 | bfd *abfd, | |
220 | PTR ext, | |
221 | PTR in)); | |
222 | void (*_bfd_coff_swap_aouthdr_in) PARAMS (( | |
223 | bfd *abfd, | |
224 | PTR ext, | |
225 | PTR in)); | |
226 | void (*_bfd_coff_swap_scnhdr_in) PARAMS (( | |
227 | bfd *abfd, | |
228 | PTR ext, | |
229 | PTR in)); | |
230 | boolean (*_bfd_coff_bad_format_hook) PARAMS (( | |
231 | bfd *abfd, | |
232 | PTR internal_filehdr)); | |
233 | boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( | |
234 | bfd *abfd, | |
235 | PTR internal_filehdr)); | |
236 | PTR (*_bfd_coff_mkobject_hook) PARAMS (( | |
237 | bfd *abfd, | |
85fe7cff PB |
238 | PTR internal_filehdr, |
239 | PTR internal_aouthdr)); | |
075caafd ILT |
240 | flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( |
241 | bfd *abfd, | |
242 | PTR internal_scnhdr)); | |
243 | asection *(*_bfd_make_section_hook) PARAMS (( | |
244 | bfd *abfd, | |
245 | char *name)); | |
246 | void (*_bfd_set_alignment_hook) PARAMS (( | |
247 | bfd *abfd, | |
248 | asection *sec, | |
249 | PTR internal_scnhdr)); | |
250 | boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( | |
251 | bfd *abfd)); | |
252 | boolean (*_bfd_coff_symname_in_debug) PARAMS (( | |
253 | bfd *abfd, | |
254 | struct internal_syment *sym)); | |
255 | void (*_bfd_coff_reloc16_extra_cases) PARAMS (( | |
256 | bfd *abfd, | |
918356b9 | 257 | struct bfd_seclet *seclet, |
075caafd ILT |
258 | arelent *reloc, |
259 | bfd_byte *data, | |
260 | unsigned int *src_ptr, | |
261 | unsigned int *dst_ptr)); | |
07de8e96 KR |
262 | } bfd_coff_backend_data; |
263 | ||
07de8e96 KR |
264 | #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) |
265 | ||
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)) | |
268 | ||
269 | #define bfd_coff_swap_sym_in(a,e,i) \ | |
270 | ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) | |
271 | ||
272 | #define bfd_coff_swap_lineno_in(a,e,i) \ | |
273 | ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) | |
274 | ||
275 | #define bfd_coff_swap_reloc_out(abfd, i, o) \ | |
276 | ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) | |
277 | ||
278 | #define bfd_coff_swap_lineno_out(abfd, i, o) \ | |
279 | ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) | |
280 | ||
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)) | |
283 | ||
284 | #define bfd_coff_swap_sym_out(abfd, i,o) \ | |
285 | ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) | |
286 | ||
287 | #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ | |
288 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) | |
289 | ||
290 | #define bfd_coff_swap_filehdr_out(abfd, i,o) \ | |
291 | ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) | |
292 | ||
293 | #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ | |
294 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) | |
295 | ||
075caafd ILT |
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)) | |
305 | ||
306 | #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ | |
307 | ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) | |
308 | ||
309 | #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ | |
310 | ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) | |
311 | ||
312 | #define bfd_coff_bad_format_hook(abfd, filehdr) \ | |
313 | ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) | |
314 | ||
315 | #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ | |
316 | ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) | |
85fe7cff PB |
317 | #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ |
318 | ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) | |
075caafd ILT |
319 | |
320 | #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr)\ | |
321 | ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr)) | |
322 | ||
323 | #define bfd_coff_make_section_hook(abfd, name)\ | |
324 | ((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name)) | |
325 | ||
326 | #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ | |
327 | ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) | |
328 | ||
329 | #define bfd_coff_slurp_symbol_table(abfd)\ | |
330 | ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) | |
331 | ||
332 | #define bfd_coff_symname_in_debug(abfd, sym)\ | |
333 | ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) | |
334 | ||
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)) | |
338 |