Commit | Line | Data |
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e2aed73b | 1 | /* BFD semi-generic back-end for a.out binaries */ |
4a81b561 DHW |
2 | |
3 | /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of BFD, the Binary File Diddler. | |
6 | ||
7 | BFD 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 1, or (at your option) | |
10 | any later version. | |
11 | ||
12 | BFD 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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with BFD; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
c93595dd | 21 | #include <ansidecl.h> |
4a81b561 DHW |
22 | #include "sysdep.h" |
23 | #include "bfd.h" | |
24 | #include "libbfd.h" | |
4a81b561 | 25 | |
4a81b561 DHW |
26 | #include "a.out.gnu.h" |
27 | #include "stab.gnu.h" | |
28 | #include "ar.h" | |
29 | #include "liba.out.h" /* BFD a.out internal data structures */ | |
30 | ||
fc723380 JG |
31 | void (*bfd_error_trap)(); |
32 | ||
33 | /*SUPPRESS558*/ | |
34 | /*SUPPRESS529*/ | |
4a81b561 DHW |
35 | |
36 | #define CTOR_TABLE_RELOC_IDX 2 | |
aa802a32 | 37 | static reloc_howto_type howto_table_ext[] = |
4a81b561 | 38 | { |
4cddd1c9 SC |
39 | HOWTO(RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff, false), |
40 | HOWTO(RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff, false), | |
41 | HOWTO(RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff, false), | |
42 | HOWTO(RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff, false), | |
43 | HOWTO(RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff, false), | |
44 | HOWTO(RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff, false), | |
45 | HOWTO(RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff, false), | |
46 | HOWTO(RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff, false), | |
47 | HOWTO(RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff, false), | |
48 | HOWTO(RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff, false), | |
49 | HOWTO(RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff, false), | |
50 | HOWTO(RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff, false), | |
51 | HOWTO(RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff, false), | |
52 | HOWTO(RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff, false), | |
53 | HOWTO(RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff, false), | |
54 | HOWTO(RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff, false), | |
55 | HOWTO(RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000, false), | |
56 | HOWTO(RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff, false), | |
57 | HOWTO(RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff, false), | |
58 | HOWTO(RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff, false), | |
59 | HOWTO(RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000, false), | |
60 | HOWTO(RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000, false), | |
61 | HOWTO(RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000, false), | |
62 | HOWTO(RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000, false), | |
63 | HOWTO(RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff, false), | |
64 | HOWTO(RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff, false), | |
65 | HOWTO(RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff, false), | |
4a81b561 DHW |
66 | }; |
67 | ||
c93595dd SC |
68 | /* Convert standard reloc records to "arelent" format (incl byte swap). */ |
69 | ||
aa802a32 | 70 | static reloc_howto_type howto_table_std[] = { |
fc723380 | 71 | /* type rs size bsz pcrel bitpos abs ovrf sf name part_inpl readmask setmask pcdone */ |
4cddd1c9 SC |
72 | HOWTO( 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false), |
73 | HOWTO( 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false), | |
74 | HOWTO( 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false), | |
75 | HOWTO( 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead, false), | |
76 | HOWTO( 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, false), | |
77 | HOWTO( 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, false), | |
78 | HOWTO( 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, false), | |
79 | HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface, false), | |
c93595dd SC |
80 | }; |
81 | ||
aa802a32 SC |
82 | |
83 | bfd_error_vector_type bfd_error_vector; | |
c93595dd | 84 | |
e2aed73b | 85 | void |
aa802a32 SC |
86 | DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp), |
87 | bfd *abfd AND | |
88 | unsigned char *raw_bytes AND | |
89 | struct exec *execp) | |
c93595dd SC |
90 | { |
91 | struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes; | |
92 | ||
93 | /* Now fill in fields in the execp, from the bytes in the raw data. */ | |
94 | execp->a_info = bfd_h_getlong (abfd, bytes->a_info); | |
95 | execp->a_text = bfd_h_getlong (abfd, bytes->a_text); | |
96 | execp->a_data = bfd_h_getlong (abfd, bytes->a_data); | |
97 | execp->a_bss = bfd_h_getlong (abfd, bytes->a_bss); | |
98 | execp->a_syms = bfd_h_getlong (abfd, bytes->a_syms); | |
99 | execp->a_entry = bfd_h_getlong (abfd, bytes->a_entry); | |
100 | execp->a_trsize = bfd_h_getlong (abfd, bytes->a_trsize); | |
101 | execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize); | |
102 | } | |
103 | ||
e2aed73b | 104 | void |
aa802a32 SC |
105 | DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes), |
106 | bfd *abfd AND | |
107 | struct exec *execp AND | |
108 | unsigned char *raw_bytes) | |
c93595dd SC |
109 | { |
110 | struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes; | |
111 | ||
112 | /* Now fill in fields in the raw data, from the fields in the exec struct. */ | |
113 | bfd_h_putlong (abfd, execp->a_info , bytes->a_info); | |
114 | bfd_h_putlong (abfd, execp->a_text , bytes->a_text); | |
115 | bfd_h_putlong (abfd, execp->a_data , bytes->a_data); | |
116 | bfd_h_putlong (abfd, execp->a_bss , bytes->a_bss); | |
117 | bfd_h_putlong (abfd, execp->a_syms , bytes->a_syms); | |
118 | bfd_h_putlong (abfd, execp->a_entry , bytes->a_entry); | |
119 | bfd_h_putlong (abfd, execp->a_trsize, bytes->a_trsize); | |
120 | bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize); | |
121 | } | |
122 | ||
e2aed73b JG |
123 | /* Some A.OUT variant thinks that the file whose format we're checking |
124 | is an a.out file. Do some more checking, and set up for access if | |
125 | it really is. Call back to the calling environment's "finish up" | |
126 | function just before returning, to handle any last-minute setup. */ | |
127 | ||
4a81b561 | 128 | bfd_target * |
e2aed73b | 129 | some_aout_object_p (abfd, callback_to_real_object_p) |
4a81b561 | 130 | bfd *abfd; |
e2aed73b | 131 | bfd_target *(*callback_to_real_object_p) (); |
4a81b561 | 132 | { |
c93595dd SC |
133 | unsigned char exec_bytes[EXEC_BYTES_SIZE]; /* Raw bytes of exec hdr */ |
134 | struct exec *execp; | |
9846338e | 135 | PTR rawptr; |
4a81b561 | 136 | |
e2aed73b JG |
137 | if (bfd_seek (abfd, 0L, false) < 0) { |
138 | bfd_error = system_call_error; | |
4a81b561 | 139 | return 0; |
e2aed73b | 140 | } |
4a81b561 | 141 | |
9846338e | 142 | if (bfd_read ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd) |
c93595dd | 143 | != EXEC_BYTES_SIZE) { |
4a81b561 DHW |
144 | bfd_error = wrong_format; |
145 | return 0; | |
146 | } | |
147 | ||
148 | /* Use an intermediate variable for clarity */ | |
e2aed73b | 149 | rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec)); |
4a81b561 DHW |
150 | |
151 | if (rawptr == NULL) { | |
152 | bfd_error = no_memory; | |
153 | return 0; | |
154 | } | |
155 | ||
e2aed73b | 156 | set_tdata (abfd, ((struct aoutdata *) rawptr)); |
c93595dd | 157 | exec_hdr (abfd) = execp = |
e2aed73b | 158 | (struct exec *) ((char *)rawptr + sizeof (struct aoutdata)); |
4a81b561 | 159 | |
c93595dd | 160 | bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp); |
4a81b561 DHW |
161 | |
162 | /* Set the file flags */ | |
163 | abfd->flags = NO_FLAGS; | |
164 | if (execp->a_drsize || execp->a_trsize) | |
165 | abfd->flags |= HAS_RELOC; | |
166 | if (execp->a_entry) | |
167 | abfd->flags |= EXEC_P; | |
168 | if (execp->a_syms) | |
169 | abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS; | |
170 | ||
c93595dd SC |
171 | if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED; |
172 | if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT; | |
4a81b561 | 173 | |
4a81b561 DHW |
174 | bfd_get_start_address (abfd) = execp->a_entry; |
175 | ||
e2aed73b | 176 | obj_aout_symbols (abfd) = (aout_symbol_type *)NULL; |
fc723380 JG |
177 | bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct nlist); |
178 | ||
e2aed73b JG |
179 | /* Set the default architecture and machine type. These can be |
180 | overridden in the callback routine. */ | |
181 | abfd->obj_arch = bfd_arch_unknown; | |
182 | abfd->obj_machine = 0; | |
183 | ||
184 | /* The default relocation entry size is that of traditional V7 Unix. */ | |
185 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; | |
4a81b561 DHW |
186 | |
187 | /* create the sections. This is raunchy, but bfd_close wants to reclaim | |
188 | them */ | |
189 | obj_textsec (abfd) = (asection *)NULL; | |
190 | obj_datasec (abfd) = (asection *)NULL; | |
191 | obj_bsssec (abfd) = (asection *)NULL; | |
4a81b561 DHW |
192 | (void)bfd_make_section(abfd, ".text"); |
193 | (void)bfd_make_section(abfd, ".data"); | |
194 | (void)bfd_make_section(abfd, ".bss"); | |
195 | ||
e2aed73b JG |
196 | abfd->sections = obj_textsec (abfd); |
197 | obj_textsec (abfd)->next = obj_datasec (abfd); | |
198 | obj_datasec (abfd)->next = obj_bsssec (abfd); | |
199 | ||
4a81b561 DHW |
200 | obj_datasec (abfd)->size = execp->a_data; |
201 | obj_bsssec (abfd)->size = execp->a_bss; | |
202 | obj_textsec (abfd)->size = execp->a_text; | |
c93595dd SC |
203 | |
204 | obj_textsec (abfd)->flags = (execp->a_trsize != 0 ? | |
205 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) : | |
206 | (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS)); | |
207 | obj_datasec (abfd)->flags = (execp->a_drsize != 0 ? | |
208 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) : | |
209 | (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS)); | |
4a81b561 DHW |
210 | obj_bsssec (abfd)->flags = SEC_ALLOC; |
211 | ||
e2aed73b JG |
212 | #ifdef THIS_IS_ONLY_DOCUMENTATION |
213 | /* Call back to the format-dependent code to fill in the rest of the | |
214 | fields and do any further cleanup. Things that should be filled | |
215 | in by the callback: */ | |
216 | ||
217 | struct exec *execp = exec_hdr (abfd); | |
218 | ||
219 | /* The virtual memory addresses of the sections */ | |
220 | obj_datasec (abfd)->vma = N_DATADDR(*execp); | |
221 | obj_bsssec (abfd)->vma = N_BSSADDR(*execp); | |
222 | obj_textsec (abfd)->vma = N_TXTADDR(*execp); | |
223 | ||
224 | /* The file offsets of the sections */ | |
225 | obj_textsec (abfd)->filepos = N_TXTOFF(*execp); | |
226 | obj_datasec (abfd)->filepos = N_DATOFF(*execp); | |
227 | ||
228 | /* The file offsets of the relocation info */ | |
229 | obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); | |
230 | obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); | |
231 | ||
232 | /* The file offsets of the string table and symbol table. */ | |
233 | obj_str_filepos (abfd) = N_STROFF (*execp); | |
234 | obj_sym_filepos (abfd) = N_SYMOFF (*execp); | |
235 | ||
236 | /* This common code can't fill in those things because they depend | |
237 | on either the start address of the text segment, the rounding | |
238 | up of virtual addersses between segments, or the starting file | |
239 | position of the text segment -- all of which varies among different | |
240 | versions of a.out. */ | |
241 | ||
242 | /* Determine the architecture and machine type of the object file. */ | |
243 | switch (N_MACHTYPE (*exec_hdr (abfd))) { | |
244 | default: | |
245 | abfd->obj_arch = bfd_arch_obscure; | |
246 | break; | |
247 | } | |
248 | ||
249 | /* Determine the size of a relocation entry */ | |
250 | switch (abfd->obj_arch) { | |
251 | case bfd_arch_sparc: | |
252 | case bfd_arch_a29k: | |
253 | obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; | |
254 | default: | |
255 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; | |
256 | } | |
257 | ||
258 | return abfd->xvec; | |
259 | ||
260 | /* The architecture is encoded in various ways in various a.out variants, | |
261 | or is not encoded at all in some of them. The relocation size depends | |
262 | on the architecture and the a.out variant. Finally, the return value | |
263 | is the bfd_target vector in use. If an error occurs, return zero and | |
264 | set bfd_error to the appropriate error code. | |
265 | ||
266 | Formats such as b.out, which have additional fields in the a.out | |
267 | header, should cope with them in this callback as well. */ | |
268 | #endif /* DOCUMENTATION */ | |
269 | ||
270 | return (*callback_to_real_object_p)(abfd); | |
4a81b561 DHW |
271 | } |
272 | ||
273 | ||
274 | boolean | |
e2aed73b | 275 | aout_mkobject (abfd) |
4a81b561 DHW |
276 | bfd *abfd; |
277 | { | |
278 | char *rawptr; | |
279 | ||
280 | bfd_error = system_call_error; | |
281 | ||
282 | /* Use an intermediate variable for clarity */ | |
e2aed73b | 283 | rawptr = bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec)); |
4a81b561 DHW |
284 | |
285 | if (rawptr == NULL) { | |
286 | bfd_error = no_memory; | |
287 | return false; | |
288 | } | |
289 | ||
e2aed73b JG |
290 | set_tdata (abfd, (struct aoutdata *) rawptr); |
291 | exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct aoutdata)); | |
4a81b561 DHW |
292 | |
293 | /* For simplicity's sake we just make all the sections right here. */ | |
294 | ||
295 | obj_textsec (abfd) = (asection *)NULL; | |
296 | obj_datasec (abfd) = (asection *)NULL; | |
297 | obj_bsssec (abfd) = (asection *)NULL; | |
298 | bfd_make_section (abfd, ".text"); | |
299 | bfd_make_section (abfd, ".data"); | |
300 | bfd_make_section (abfd, ".bss"); | |
301 | ||
302 | return true; | |
303 | } | |
304 | ||
305 | /* Keep track of machine architecture and machine type for a.out's. | |
306 | Return the machine_type for a particular arch&machine, or M_UNKNOWN | |
307 | if that exact arch&machine can't be represented in a.out format. | |
308 | ||
309 | If the architecture is understood, machine type 0 (default) should | |
310 | always be understood. */ | |
311 | ||
e2aed73b | 312 | enum machine_type |
4a81b561 DHW |
313 | aout_machine_type (arch, machine) |
314 | enum bfd_architecture arch; | |
315 | unsigned long machine; | |
316 | { | |
317 | enum machine_type arch_flags; | |
318 | ||
319 | arch_flags = M_UNKNOWN; | |
320 | ||
321 | switch (arch) { | |
322 | case bfd_arch_sparc: | |
9872a49c SC |
323 | if (machine == 0) arch_flags = M_SPARC; |
324 | break; | |
4a81b561 DHW |
325 | |
326 | case bfd_arch_m68k: | |
9872a49c SC |
327 | switch (machine) { |
328 | case 0: arch_flags = M_68010; break; | |
329 | case 68000: arch_flags = M_UNKNOWN; break; | |
330 | case 68010: arch_flags = M_68010; break; | |
331 | case 68020: arch_flags = M_68020; break; | |
332 | default: arch_flags = M_UNKNOWN; break; | |
333 | } | |
334 | break; | |
4a81b561 DHW |
335 | |
336 | case bfd_arch_i386: | |
9872a49c SC |
337 | if (machine == 0) arch_flags = M_386; |
338 | break; | |
4a81b561 DHW |
339 | |
340 | case bfd_arch_a29k: | |
9872a49c SC |
341 | if (machine == 0) arch_flags = M_29K; |
342 | break; | |
4a81b561 DHW |
343 | |
344 | default: | |
9872a49c SC |
345 | arch_flags = M_UNKNOWN; |
346 | break; | |
4a81b561 DHW |
347 | } |
348 | return arch_flags; | |
349 | } | |
350 | ||
351 | boolean | |
e2aed73b | 352 | aout_set_arch_mach (abfd, arch, machine) |
4a81b561 DHW |
353 | bfd *abfd; |
354 | enum bfd_architecture arch; | |
355 | unsigned long machine; | |
356 | { | |
357 | abfd->obj_arch = arch; | |
358 | abfd->obj_machine = machine; | |
359 | if (arch != bfd_arch_unknown && | |
360 | aout_machine_type (arch, machine) == M_UNKNOWN) | |
361 | return false; /* We can't represent this type */ | |
362 | return true; /* We're easy ... */ | |
363 | } | |
fc723380 | 364 | \f |
e2aed73b | 365 | /* exec and core file sections */ |
4a81b561 DHW |
366 | |
367 | boolean | |
e2aed73b | 368 | aout_new_section_hook (abfd, newsect) |
4a81b561 DHW |
369 | bfd *abfd; |
370 | asection *newsect; | |
371 | { | |
372 | /* align to double at least */ | |
373 | newsect->alignment_power = 3; | |
374 | ||
375 | if (bfd_get_format (abfd) == bfd_object) { | |
376 | if (obj_textsec(abfd) == NULL && !strcmp(newsect->name, ".text")) { | |
377 | obj_textsec(abfd)= newsect; | |
378 | return true; | |
379 | } | |
380 | ||
381 | if (obj_datasec(abfd) == NULL && !strcmp(newsect->name, ".data")) { | |
382 | obj_datasec(abfd) = newsect; | |
383 | return true; | |
384 | } | |
385 | ||
386 | if (obj_bsssec(abfd) == NULL && !strcmp(newsect->name, ".bss")) { | |
387 | obj_bsssec(abfd) = newsect; | |
388 | return true; | |
389 | } | |
390 | } | |
391 | ||
4a81b561 DHW |
392 | /* We allow more than three sections internally */ |
393 | return true; | |
394 | } | |
395 | ||
396 | boolean | |
e2aed73b | 397 | aout_set_section_contents (abfd, section, location, offset, count) |
4a81b561 DHW |
398 | bfd *abfd; |
399 | sec_ptr section; | |
e2aed73b | 400 | PTR location; |
4a81b561 DHW |
401 | file_ptr offset; |
402 | int count; | |
403 | { | |
404 | if (abfd->output_has_begun == false) | |
4432f8ad | 405 | { /* set by bfd.c handler */ |
fc723380 | 406 | if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL)) |
4432f8ad SC |
407 | { |
408 | bfd_error = invalid_operation; | |
409 | return false; | |
410 | } | |
4a81b561 | 411 | |
41489b9a SC |
412 | obj_textsec(abfd)->filepos = sizeof(struct exec); |
413 | obj_textsec(abfd)->size = align_power(obj_textsec(abfd)->size, | |
414 | obj_textsec(abfd)->alignment_power); | |
415 | obj_datasec(abfd)->filepos = obj_textsec (abfd)->filepos + obj_textsec (abfd)->size; | |
416 | obj_datasec(abfd)->size = align_power(obj_datasec(abfd)->size, | |
417 | obj_datasec(abfd)->alignment_power); | |
418 | ||
4432f8ad | 419 | } |
4a81b561 | 420 | /* regardless, once we know what we're doing, we might as well get going */ |
4432f8ad SC |
421 | if (section != obj_bsssec(abfd)) { |
422 | bfd_seek (abfd, section->filepos + offset, SEEK_SET); | |
4a81b561 | 423 | |
4432f8ad SC |
424 | if (count) { |
425 | return (bfd_write ((PTR)location, 1, count, abfd) == count) ? | |
426 | true : false; | |
427 | } | |
428 | return false; | |
4a81b561 | 429 | } |
4432f8ad | 430 | return true; |
4a81b561 | 431 | } |
4a81b561 DHW |
432 | \f |
433 | /* Classify stabs symbols */ | |
434 | ||
4a81b561 DHW |
435 | #define sym_in_text_section(sym) \ |
436 | (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT) | |
437 | ||
438 | #define sym_in_data_section(sym) \ | |
439 | (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_DATA) | |
440 | ||
441 | #define sym_in_bss_section(sym) \ | |
442 | (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_BSS) | |
443 | ||
444 | /* Symbol is undefined if type is N_UNDF|N_EXT and if it has | |
445 | zero in the "value" field. Nonzeroes there are fortrancommon | |
446 | symbols. */ | |
447 | #define sym_is_undefined(sym) \ | |
448 | ((sym)->n_type == (N_UNDF | N_EXT) && (sym)->n_value == 0) | |
449 | ||
450 | /* Symbol is a global definition if N_EXT is on and if it has | |
451 | a nonzero type field. */ | |
452 | #define sym_is_global_defn(sym) \ | |
453 | (((sym)->n_type & N_EXT) && (sym)->n_type & N_TYPE) | |
454 | ||
455 | /* Symbol is debugger info if any bits outside N_TYPE or N_EXT | |
456 | are on. */ | |
457 | #define sym_is_debugger_info(sym) \ | |
458 | ((sym)->n_type & ~(N_EXT | N_TYPE)) | |
459 | ||
460 | #define sym_is_fortrancommon(sym) \ | |
461 | (((sym)->n_type == (N_EXT)) && (sym)->n_value != 0) | |
462 | ||
463 | /* Symbol is absolute if it has N_ABS set */ | |
464 | #define sym_is_absolute(sym) \ | |
465 | (((sym)->n_type & N_TYPE)== N_ABS) | |
466 | ||
467 | ||
468 | #define sym_is_indirect(sym) \ | |
469 | (((sym)->n_type & N_ABS)== N_ABS) | |
470 | ||
471 | /* Only in their own functions for ease of debugging; when sym flags have | |
472 | stabilised these should be inlined into their (single) caller */ | |
473 | ||
474 | static void | |
475 | translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd) | |
476 | struct nlist *sym_pointer; | |
477 | aout_symbol_type *cache_ptr; | |
478 | bfd *abfd; | |
479 | { | |
480 | switch (cache_ptr->type & N_TYPE) { | |
481 | case N_SETA: | |
482 | case N_SETT: | |
483 | case N_SETD: | |
484 | case N_SETB: | |
485 | { | |
486 | asection *section = bfd_make_section(abfd, | |
487 | cache_ptr->symbol.name); | |
9872a49c | 488 | arelent_chain *reloc = (arelent_chain *)bfd_alloc(abfd, sizeof(arelent_chain)); |
4a81b561 DHW |
489 | |
490 | switch ( (cache_ptr->type & N_TYPE) ) { | |
491 | case N_SETA: | |
492 | reloc->relent.section = (asection *)NULL; | |
493 | cache_ptr->symbol.section = (asection *)NULL; | |
494 | break; | |
495 | case N_SETT: | |
496 | reloc->relent.section = (asection *)obj_textsec(abfd); | |
497 | cache_ptr->symbol.value -= reloc->relent.section->vma; | |
498 | break; | |
499 | case N_SETD: | |
500 | reloc->relent.section = (asection *)obj_datasec(abfd); | |
501 | cache_ptr->symbol.value -= reloc->relent.section->vma; | |
502 | break; | |
503 | case N_SETB: | |
504 | reloc->relent.section = (asection *)obj_bsssec(abfd); | |
505 | cache_ptr->symbol.value -= reloc->relent.section->vma; | |
506 | break; | |
507 | } | |
508 | cache_ptr->symbol.section = reloc->relent.section; | |
509 | reloc->relent.addend = cache_ptr->symbol.value ; | |
fc723380 JG |
510 | |
511 | /* We modify the symbol to belong to a section depending upon the | |
4a81b561 DHW |
512 | name of the symbol - probably __CTOR__ or __DTOR__ but we don't |
513 | really care, and add to the size of the section to contain a | |
514 | pointer to the symbol. Build a reloc entry to relocate to this | |
fc723380 | 515 | symbol attached to this section. */ |
4a81b561 DHW |
516 | |
517 | section->flags = SEC_CONSTRUCTOR; | |
518 | section->reloc_count++; | |
519 | section->alignment_power = 2; | |
520 | reloc->relent.sym_ptr_ptr = (asymbol **)NULL; | |
521 | reloc->next = section->constructor_chain; | |
522 | section->constructor_chain = reloc; | |
523 | reloc->relent.address = section->size; | |
524 | section->size += sizeof(int *); | |
525 | ||
c93595dd | 526 | reloc->relent.howto = howto_table_ext +CTOR_TABLE_RELOC_IDX; |
4a81b561 DHW |
527 | cache_ptr->symbol.flags |= BSF_DEBUGGING ; |
528 | } | |
529 | break; | |
530 | default: | |
531 | ||
532 | if (sym_is_debugger_info (sym_pointer)) { | |
533 | cache_ptr->symbol.flags = BSF_DEBUGGING ; | |
534 | /* Work out the section correct for this symbol */ | |
535 | switch (sym_pointer->n_type & N_TYPE) | |
536 | { | |
537 | case N_TEXT: | |
538 | case N_FN: | |
539 | cache_ptr->symbol.section = obj_textsec (abfd); | |
540 | cache_ptr->symbol.value -= obj_textsec(abfd)->vma; | |
541 | break; | |
542 | case N_DATA: | |
543 | cache_ptr->symbol.value -= obj_datasec(abfd)->vma; | |
544 | cache_ptr->symbol.section = obj_datasec (abfd); | |
545 | break; | |
546 | case N_BSS : | |
547 | cache_ptr->symbol.section = obj_bsssec (abfd); | |
548 | cache_ptr->symbol.value -= obj_bsssec(abfd)->vma; | |
549 | break; | |
550 | case N_ABS: | |
551 | default: | |
552 | cache_ptr->symbol.section = 0; | |
553 | break; | |
554 | } | |
555 | } | |
556 | else { | |
557 | if (sym_is_fortrancommon (sym_pointer)) | |
558 | { | |
559 | cache_ptr->symbol.flags = BSF_FORT_COMM; | |
560 | cache_ptr->symbol.section = (asection *)NULL; | |
561 | } | |
562 | else { | |
563 | if (sym_is_undefined (sym_pointer)) { | |
564 | cache_ptr->symbol.flags = BSF_UNDEFINED; | |
565 | } | |
566 | else if (sym_is_global_defn (sym_pointer)) { | |
567 | cache_ptr->symbol.flags = BSF_GLOBAL | BSF_EXPORT; | |
568 | } | |
569 | ||
570 | else if (sym_is_absolute (sym_pointer)) { | |
571 | cache_ptr->symbol.flags = BSF_ABSOLUTE; | |
572 | } | |
573 | else { | |
574 | cache_ptr->symbol.flags = BSF_LOCAL; | |
575 | } | |
576 | ||
577 | /* In a.out, the value of a symbol is always relative to the | |
578 | * start of the file, if this is a data symbol we'll subtract | |
579 | * the size of the text section to get the section relative | |
580 | * value. If this is a bss symbol (which would be strange) | |
581 | * we'll subtract the size of the previous two sections | |
582 | * to find the section relative address. | |
583 | */ | |
584 | ||
585 | if (sym_in_text_section (sym_pointer)) { | |
586 | cache_ptr->symbol.value -= obj_textsec(abfd)->vma; | |
587 | cache_ptr->symbol.section = obj_textsec (abfd); | |
588 | } | |
589 | else if (sym_in_data_section (sym_pointer)){ | |
590 | cache_ptr->symbol.value -= obj_datasec(abfd)->vma; | |
591 | cache_ptr->symbol.section = obj_datasec (abfd); | |
592 | } | |
593 | else if (sym_in_bss_section(sym_pointer)) { | |
594 | cache_ptr->symbol.section = obj_bsssec (abfd); | |
595 | cache_ptr->symbol.value -= obj_bsssec(abfd)->vma; | |
596 | } | |
597 | else { | |
598 | cache_ptr->symbol.section = (asection *)NULL; | |
599 | cache_ptr->symbol.flags |= BSF_ABSOLUTE; | |
600 | } | |
601 | } | |
602 | } | |
603 | } | |
604 | } | |
c93595dd | 605 | |
4a81b561 DHW |
606 | void |
607 | translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd) | |
608 | struct nlist *sym_pointer; | |
4432f8ad | 609 | PTR cache_ptr_g; |
4a81b561 DHW |
610 | bfd *abfd; |
611 | { | |
612 | asymbol *cache_ptr = (asymbol *)cache_ptr_g; | |
613 | ||
fc723380 | 614 | /* FIXME check for writing bss */ |
4a81b561 DHW |
615 | if (bfd_get_section(cache_ptr)) { |
616 | if (bfd_get_output_section(cache_ptr) == obj_bsssec (abfd)) { | |
617 | sym_pointer->n_type |= N_BSS; | |
618 | } | |
619 | else if (bfd_get_output_section(cache_ptr) == obj_datasec (abfd)) { | |
620 | sym_pointer->n_type |= N_DATA; | |
621 | } | |
622 | else if (bfd_get_output_section(cache_ptr) == obj_textsec (abfd)) { | |
623 | sym_pointer->n_type |= N_TEXT; | |
624 | } | |
625 | else { | |
fc723380 JG |
626 | bfd_error_vector.nonrepresentable_section(abfd, |
627 | bfd_get_output_section(cache_ptr)->name); | |
4a81b561 DHW |
628 | } |
629 | /* Turn the symbol from section relative to absolute again */ | |
630 | sym_pointer->n_value += | |
631 | cache_ptr->section->output_section->vma | |
632 | + cache_ptr->section->output_offset ; | |
633 | } | |
634 | else { | |
635 | sym_pointer->n_type |= N_ABS; | |
636 | } | |
637 | ||
638 | if (cache_ptr->flags & (BSF_FORT_COMM | BSF_UNDEFINED)) { | |
639 | sym_pointer->n_type = (N_UNDF | N_EXT); | |
640 | return; | |
641 | } | |
642 | ||
643 | if (cache_ptr->flags & BSF_ABSOLUTE) { | |
644 | sym_pointer->n_type |= N_ABS; | |
645 | } | |
646 | ||
647 | if (cache_ptr->flags & (BSF_GLOBAL | BSF_EXPORT)) { | |
648 | sym_pointer->n_type |= N_EXT; | |
649 | } | |
650 | if (cache_ptr->flags & BSF_DEBUGGING) { | |
651 | sym_pointer->n_type = ((aout_symbol_type *)cache_ptr)->type; | |
652 | } | |
4a81b561 DHW |
653 | } |
654 | \f | |
655 | /* Native-level interface to symbols. */ | |
656 | ||
657 | /* We read the symbols into a buffer, which is discarded when this | |
658 | function exits. We read the strings into a buffer large enough to | |
659 | hold them all plus all the cached symbol entries. */ | |
660 | ||
661 | asymbol * | |
e2aed73b | 662 | aout_make_empty_symbol (abfd) |
4a81b561 DHW |
663 | bfd *abfd; |
664 | { | |
665 | aout_symbol_type *new = | |
9872a49c | 666 | (aout_symbol_type *)bfd_zalloc (abfd, sizeof (aout_symbol_type)); |
4a81b561 DHW |
667 | new->symbol.the_bfd = abfd; |
668 | ||
669 | return &new->symbol; | |
670 | } | |
671 | ||
672 | boolean | |
e2aed73b | 673 | DEFUN(aout_slurp_symbol_table, (abfd), |
aa802a32 | 674 | bfd *abfd) |
4a81b561 | 675 | { |
4a81b561 DHW |
676 | size_t symbol_size; |
677 | size_t string_size; | |
fc723380 | 678 | unsigned char string_chars[LONG_SIZE]; |
4a81b561 DHW |
679 | struct nlist *syms; |
680 | char *strings; | |
681 | aout_symbol_type *cached; | |
682 | ||
683 | /* If there's no work to be done, don't do any */ | |
684 | if (obj_aout_symbols (abfd) != (aout_symbol_type *)NULL) return true; | |
685 | symbol_size = exec_hdr(abfd)->a_syms; | |
686 | if (symbol_size == 0) { | |
687 | bfd_error = no_symbols; | |
688 | return false; | |
689 | } | |
690 | ||
691 | bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET); | |
fc723380 | 692 | if (bfd_read ((PTR)string_chars, LONG_SIZE, 1, abfd) != LONG_SIZE) |
4a81b561 | 693 | return false; |
fc723380 | 694 | string_size = bfd_h_getlong (abfd, string_chars); |
4a81b561 | 695 | |
9872a49c | 696 | strings = bfd_alloc(abfd, string_size + 1); |
d6a554ae | 697 | cached = (aout_symbol_type *) |
fc723380 JG |
698 | bfd_zalloc(abfd, bfd_get_symcount (abfd) * sizeof(aout_symbol_type)); |
699 | /* Alloc this last, so we can free it if obstack is in use. */ | |
d6a554ae | 700 | syms = (struct nlist *) bfd_alloc(abfd, symbol_size); |
4a81b561 DHW |
701 | |
702 | bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET); | |
9846338e | 703 | if (bfd_read ((PTR)syms, 1, symbol_size, abfd) != symbol_size) { |
4a81b561 | 704 | bailout: |
fc723380 JG |
705 | if (syms) bfd_release (abfd, syms); |
706 | if (cached) bfd_release (abfd, cached); | |
707 | if (strings)bfd_release (abfd, strings); | |
4a81b561 DHW |
708 | return false; |
709 | } | |
710 | ||
711 | bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET); | |
9846338e | 712 | if (bfd_read ((PTR)strings, 1, string_size, abfd) != string_size) { |
4a81b561 DHW |
713 | goto bailout; |
714 | } | |
715 | ||
716 | /* OK, now walk the new symtable, cacheing symbol properties */ | |
9872a49c SC |
717 | { |
718 | register struct nlist *sym_pointer; | |
fc723380 | 719 | register struct nlist *sym_end = syms + bfd_get_symcount (abfd); |
9872a49c | 720 | register aout_symbol_type *cache_ptr = cached; |
4a81b561 | 721 | |
4a81b561 DHW |
722 | /* run through the table and byte swap if needed */ |
723 | for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++) { | |
724 | sym_pointer->n_un.n_strx = | |
8e3c8f47 | 725 | bfd_h_getlong (abfd, &sym_pointer->n_un.n_strx); |
4a81b561 | 726 | sym_pointer->n_desc = |
8e3c8f47 | 727 | bfd_h_getshort (abfd, &sym_pointer->n_desc); |
4a81b561 | 728 | sym_pointer->n_value = |
8e3c8f47 | 729 | bfd_h_getlong (abfd, &sym_pointer->n_value); |
4a81b561 | 730 | sym_pointer->n_other = (char) |
8e3c8f47 | 731 | bfd_h_getchar(abfd, &sym_pointer->n_other); |
4a81b561 | 732 | sym_pointer->n_type = (char) |
8e3c8f47 | 733 | bfd_h_getchar(abfd, &sym_pointer->n_type); |
4a81b561 | 734 | } |
726cc6ef | 735 | |
9872a49c SC |
736 | /* Run through table and copy values */ |
737 | for (sym_pointer = syms, cache_ptr = cached; | |
738 | sym_pointer < sym_end; sym_pointer++, cache_ptr++) | |
739 | { | |
740 | cache_ptr->symbol.the_bfd = abfd; | |
741 | if (sym_pointer->n_un.n_strx) | |
742 | cache_ptr->symbol.name = sym_pointer->n_un.n_strx + strings; | |
743 | else | |
744 | cache_ptr->symbol.name = (char *)NULL; | |
745 | cache_ptr->symbol.value = sym_pointer->n_value; | |
746 | cache_ptr->desc = sym_pointer->n_desc; | |
747 | cache_ptr->other = sym_pointer->n_other; | |
748 | cache_ptr->type = sym_pointer->n_type; | |
749 | cache_ptr->symbol.udata = 0; | |
750 | translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd); | |
4a81b561 | 751 | |
9872a49c SC |
752 | } |
753 | } | |
4a81b561 DHW |
754 | |
755 | obj_aout_symbols (abfd) = cached; | |
9872a49c | 756 | bfd_release (abfd, (PTR)syms); |
4a81b561 DHW |
757 | |
758 | return true; | |
759 | } | |
760 | ||
aa802a32 | 761 | |
4a81b561 | 762 | void |
e2aed73b | 763 | DEFUN(aout_write_syms,(abfd), |
aa802a32 | 764 | bfd *abfd) |
4a81b561 DHW |
765 | { |
766 | unsigned int count ; | |
767 | asymbol **generic = bfd_get_outsymbols (abfd); | |
768 | ||
769 | unsigned int stindex = sizeof(stindex); /* initial string length */ | |
770 | ||
771 | for (count = 0; count < bfd_get_symcount (abfd); count++) { | |
772 | asymbol *g = generic[count]; | |
773 | struct nlist nsp; | |
774 | ||
775 | if (g->name) { | |
776 | unsigned int length = strlen(g->name) +1; | |
777 | bfd_h_putlong (abfd, stindex, (unsigned char *)&nsp.n_un.n_strx); | |
778 | stindex += length; | |
779 | } | |
780 | else { | |
781 | bfd_h_putlong (abfd, 0, (unsigned char *)&nsp.n_un.n_strx); | |
782 | } | |
783 | ||
784 | if (g->the_bfd->xvec->flavour == abfd->xvec->flavour) | |
785 | { | |
786 | nsp.n_desc = aout_symbol( g)->desc; | |
787 | nsp.n_other = aout_symbol(g)->other; | |
788 | nsp.n_type = aout_symbol(g)->type; | |
789 | } | |
790 | else | |
791 | { | |
792 | nsp.n_desc = 0; | |
793 | nsp.n_other = 0; | |
794 | nsp.n_type = 0; | |
795 | } | |
796 | ||
797 | ||
798 | nsp.n_value = g->value; | |
4432f8ad | 799 | translate_to_native_sym_flags (&nsp, (PTR)g, abfd); |
4a81b561 DHW |
800 | |
801 | ||
802 | bfd_h_putshort (abfd, nsp.n_desc, (unsigned char *)&nsp.n_desc); | |
803 | bfd_h_putlong (abfd, nsp.n_value, (unsigned char *)&nsp.n_value); | |
9846338e | 804 | bfd_write((PTR)&nsp,1, sizeof(nsp), abfd); |
4a81b561 DHW |
805 | } |
806 | ||
807 | ||
808 | /* Now output the strings. Be sure to put string length into correct | |
809 | * byte ordering before writing it. | |
810 | */ | |
811 | bfd_h_putlong (abfd, stindex, (unsigned char *)&stindex); | |
812 | ||
9846338e | 813 | bfd_write((PTR)&stindex, 1, sizeof(stindex), abfd); |
4a81b561 DHW |
814 | |
815 | generic = bfd_get_outsymbols(abfd); | |
816 | for (count = 0; count < bfd_get_symcount(abfd); count++) | |
817 | { | |
818 | asymbol *g = *(generic++); | |
819 | ||
fc723380 | 820 | if (g->name) |
4a81b561 DHW |
821 | { |
822 | size_t length = strlen(g->name)+1; | |
9846338e | 823 | bfd_write((PTR)g->name, 1, length, abfd); |
4a81b561 DHW |
824 | } |
825 | if ((g->flags & BSF_FAKE)==0) { | |
826 | g->name = itos(count); /* smash the generic symbol */ | |
827 | } | |
828 | } | |
829 | } | |
830 | ||
aa802a32 | 831 | |
4a81b561 | 832 | void |
e2aed73b | 833 | DEFUN(aout_reclaim_symbol_table,(abfd), |
aa802a32 | 834 | bfd *abfd) |
4a81b561 | 835 | { |
4a81b561 | 836 | |
4a81b561 DHW |
837 | } |
838 | \f | |
839 | unsigned int | |
e2aed73b | 840 | aout_get_symtab_upper_bound (abfd) |
4a81b561 DHW |
841 | bfd *abfd; |
842 | { | |
e2aed73b | 843 | if (!aout_slurp_symbol_table (abfd)) return 0; |
4a81b561 DHW |
844 | |
845 | return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *)); | |
846 | } | |
847 | ||
848 | unsigned int | |
e2aed73b | 849 | aout_get_symtab (abfd, location) |
4a81b561 DHW |
850 | bfd *abfd; |
851 | asymbol **location; | |
852 | { | |
853 | unsigned int counter = 0; | |
854 | aout_symbol_type *symbase; | |
855 | ||
e2aed73b | 856 | if (!aout_slurp_symbol_table (abfd)) return 0; |
4a81b561 DHW |
857 | |
858 | for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);) | |
859 | *(location++) = (asymbol *)( symbase++); | |
860 | *location++ =0; | |
861 | return bfd_get_symcount(abfd); | |
862 | } | |
863 | ||
4a81b561 | 864 | \f |
c93595dd SC |
865 | /* Standard reloc stuff */ |
866 | /* Output standard relocation information to a file in target byte order. */ | |
867 | ||
868 | void | |
fc723380 | 869 | swap_std_reloc_out (abfd, g, natptr) |
c93595dd | 870 | bfd *abfd; |
fc723380 | 871 | arelent *g; /* Generic relocation struct */ |
c93595dd | 872 | struct reloc_std_bytes *natptr; |
c93595dd SC |
873 | { |
874 | int r_index; | |
875 | int r_extern; | |
876 | unsigned int r_length; | |
877 | int r_pcrel; | |
878 | int r_baserel, r_jmptable, r_relative; | |
879 | unsigned int r_addend; | |
c93595dd | 880 | |
fc723380 | 881 | bfd_h_putlong (abfd, g->address, natptr->r_address); |
c93595dd | 882 | |
b6316534 | 883 | r_length = g->howto->size ; /* Size as a power of two */ |
fc723380 JG |
884 | r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */ |
885 | /* r_baserel, r_jmptable, r_relative??? FIXME-soon */ | |
886 | r_baserel = 0; | |
887 | r_jmptable = 0; | |
888 | r_relative = 0; | |
4a81b561 | 889 | |
fc723380 | 890 | r_addend = g->addend; /* Start here, see how it goes */ |
c93595dd | 891 | |
e2aed73b | 892 | /* name was clobbered by aout_write_syms to be symbol index */ |
c93595dd | 893 | |
fc723380 JG |
894 | if (g->sym_ptr_ptr != NULL) |
895 | { | |
896 | if ((*(g->sym_ptr_ptr))->section) { | |
897 | /* put the section offset into the addend for output */ | |
898 | r_addend += (*(g->sym_ptr_ptr))->section->vma; | |
c93595dd SC |
899 | } |
900 | ||
fc723380 JG |
901 | r_index = stoi((*(g->sym_ptr_ptr))->name); |
902 | r_extern = 1; | |
903 | } | |
904 | else { | |
905 | r_extern = 0; | |
906 | if (g->section == NULL) { | |
d0ec7a8e SC |
907 | /* It is possible to have a reloc with nothing, we generate an |
908 | abs + 0 */ | |
909 | r_addend = 0; | |
fc723380 JG |
910 | r_index = N_ABS | N_EXT; |
911 | } | |
912 | else if(g->section->output_section == obj_textsec(abfd)) { | |
913 | r_index = N_TEXT | N_EXT; | |
914 | r_addend += g->section->output_section->vma; | |
915 | } | |
916 | else if (g->section->output_section == obj_datasec(abfd)) { | |
917 | r_index = N_DATA | N_EXT; | |
918 | r_addend += g->section->output_section->vma; | |
919 | } | |
920 | else if (g->section->output_section == obj_bsssec(abfd)) { | |
921 | r_index = N_BSS | N_EXT ; | |
922 | r_addend += g->section->output_section->vma; | |
c93595dd | 923 | } |
fc723380 JG |
924 | else { |
925 | BFD_ASSERT(0); | |
926 | } | |
927 | } | |
928 | ||
929 | /* now the fun stuff */ | |
930 | if (abfd->xvec->header_byteorder_big_p != false) { | |
931 | natptr->r_index[0] = r_index >> 16; | |
932 | natptr->r_index[1] = r_index >> 8; | |
933 | natptr->r_index[2] = r_index; | |
934 | natptr->r_bits[0] = | |
935 | (r_extern? RELOC_STD_BITS_EXTERN_BIG: 0) | |
936 | | (r_pcrel? RELOC_STD_BITS_PCREL_BIG: 0) | |
937 | | (r_baserel? RELOC_STD_BITS_BASEREL_BIG: 0) | |
938 | | (r_jmptable? RELOC_STD_BITS_JMPTABLE_BIG: 0) | |
939 | | (r_relative? RELOC_STD_BITS_RELATIVE_BIG: 0) | |
940 | | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG); | |
941 | } else { | |
942 | natptr->r_index[2] = r_index >> 16; | |
943 | natptr->r_index[1] = r_index >> 8; | |
944 | natptr->r_index[0] = r_index; | |
945 | natptr->r_bits[0] = | |
946 | (r_extern? RELOC_STD_BITS_EXTERN_LITTLE: 0) | |
947 | | (r_pcrel? RELOC_STD_BITS_PCREL_LITTLE: 0) | |
948 | | (r_baserel? RELOC_STD_BITS_BASEREL_LITTLE: 0) | |
949 | | (r_jmptable? RELOC_STD_BITS_JMPTABLE_LITTLE: 0) | |
950 | | (r_relative? RELOC_STD_BITS_RELATIVE_LITTLE: 0) | |
951 | | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE); | |
952 | } | |
c93595dd SC |
953 | } |
954 | ||
955 | ||
956 | /* Extended stuff */ | |
957 | /* Output extended relocation information to a file in target byte order. */ | |
958 | ||
959 | void | |
fc723380 | 960 | swap_ext_reloc_out (abfd, g, natptr) |
c93595dd | 961 | bfd *abfd; |
fc723380 | 962 | arelent *g; /* Generic relocation struct */ |
c93595dd | 963 | register struct reloc_ext_bytes *natptr; |
c93595dd | 964 | { |
c93595dd SC |
965 | int r_index; |
966 | int r_extern; | |
967 | unsigned int r_type; | |
968 | unsigned int r_addend; | |
c93595dd | 969 | |
fc723380 | 970 | bfd_h_putlong (abfd, g->address, natptr->r_address); |
c93595dd | 971 | |
fc723380 JG |
972 | /* Find a type in the output format which matches the input howto - |
973 | at the moment we assume input format == output format FIXME!! */ | |
974 | r_type = (enum reloc_type) g->howto->type; | |
c93595dd | 975 | |
fc723380 | 976 | r_addend = g->addend; /* Start here, see how it goes */ |
c93595dd | 977 | |
e2aed73b | 978 | /* name was clobbered by aout_write_syms to be symbol index*/ |
c93595dd | 979 | |
fc723380 JG |
980 | if (g->sym_ptr_ptr != NULL) |
981 | { | |
982 | if ((*(g->sym_ptr_ptr))->section) { | |
983 | /* put the section offset into the addend for output */ | |
984 | r_addend += (*(g->sym_ptr_ptr))->section->vma; | |
c93595dd | 985 | } |
c93595dd | 986 | |
fc723380 JG |
987 | r_index = stoi((*(g->sym_ptr_ptr))->name); |
988 | r_extern = 1; | |
c93595dd | 989 | } |
fc723380 JG |
990 | else { |
991 | r_extern = 0; | |
992 | if (g->section == NULL) { | |
993 | BFD_ASSERT(0); | |
994 | r_index = N_ABS | N_EXT; | |
995 | } | |
996 | else if(g->section->output_section == obj_textsec(abfd)) { | |
997 | r_index = N_TEXT | N_EXT; | |
998 | r_addend += g->section->output_section->vma; | |
999 | } | |
1000 | else if (g->section->output_section == obj_datasec(abfd)) { | |
1001 | r_index = N_DATA | N_EXT; | |
1002 | r_addend += g->section->output_section->vma; | |
1003 | } | |
1004 | else if (g->section->output_section == obj_bsssec(abfd)) { | |
1005 | r_index = N_BSS | N_EXT ; | |
1006 | r_addend += g->section->output_section->vma; | |
1007 | } | |
1008 | else { | |
1009 | BFD_ASSERT(0); | |
1010 | } | |
1011 | } | |
c93595dd | 1012 | |
fc723380 JG |
1013 | /* now the fun stuff */ |
1014 | if (abfd->xvec->header_byteorder_big_p != false) { | |
1015 | natptr->r_index[0] = r_index >> 16; | |
1016 | natptr->r_index[1] = r_index >> 8; | |
1017 | natptr->r_index[2] = r_index; | |
1018 | natptr->r_bits[0] = | |
1019 | (r_extern? RELOC_EXT_BITS_EXTERN_BIG: 0) | |
1020 | || (r_type << RELOC_EXT_BITS_TYPE_SH_BIG); | |
1021 | } else { | |
1022 | natptr->r_index[2] = r_index >> 16; | |
1023 | natptr->r_index[1] = r_index >> 8; | |
1024 | natptr->r_index[0] = r_index; | |
1025 | natptr->r_bits[0] = | |
1026 | (r_extern? RELOC_EXT_BITS_EXTERN_LITTLE: 0) | |
1027 | || (r_type << RELOC_EXT_BITS_TYPE_SH_LITTLE); | |
c93595dd | 1028 | } |
fc723380 JG |
1029 | |
1030 | bfd_h_putlong (abfd, r_addend, natptr->r_addend); | |
c93595dd | 1031 | } |
fc723380 | 1032 | |
c93595dd SC |
1033 | #define MOVE_ADDRESS(ad) \ |
1034 | if (r_extern) { \ | |
1035 | cache_ptr->sym_ptr_ptr = symbols + r_index; \ | |
1036 | cache_ptr->section = (asection *)NULL; \ | |
1037 | cache_ptr->addend = ad; \ | |
1038 | } else { \ | |
1039 | cache_ptr->sym_ptr_ptr = (asymbol **)NULL; \ | |
1040 | switch (r_index) { \ | |
1041 | case N_TEXT: \ | |
1042 | case N_TEXT | N_EXT: \ | |
1043 | cache_ptr->section = obj_textsec(abfd); \ | |
1044 | cache_ptr->addend = ad - su->textsec->vma; \ | |
1045 | break; \ | |
1046 | case N_DATA: \ | |
1047 | case N_DATA | N_EXT: \ | |
1048 | cache_ptr->section = obj_datasec(abfd); \ | |
1049 | cache_ptr->addend = ad - su->datasec->vma; \ | |
1050 | break; \ | |
1051 | case N_BSS: \ | |
1052 | case N_BSS | N_EXT: \ | |
1053 | cache_ptr->section = obj_bsssec(abfd); \ | |
1054 | cache_ptr->addend = ad - su->bsssec->vma; \ | |
1055 | break; \ | |
1056 | case N_ABS: \ | |
1057 | case N_ABS | N_EXT: \ | |
fc723380 JG |
1058 | cache_ptr->section = NULL; /* No section */ \ |
1059 | cache_ptr->addend = ad; /* FIXME, is this right? */ \ | |
c93595dd SC |
1060 | BFD_ASSERT(1); \ |
1061 | break; \ | |
1062 | default: \ | |
fc723380 JG |
1063 | cache_ptr->section = NULL; /* No section */ \ |
1064 | cache_ptr->addend = ad; /* FIXME, is this right? */ \ | |
c93595dd SC |
1065 | BFD_ASSERT(1); \ |
1066 | break; \ | |
1067 | } \ | |
1068 | } \ | |
1069 | ||
1070 | void | |
1071 | swap_ext_reloc_in (abfd, bytes, cache_ptr, symbols) | |
1072 | bfd *abfd; | |
1073 | struct reloc_ext_bytes *bytes; | |
1074 | arelent *cache_ptr; | |
1075 | asymbol **symbols; | |
1076 | { | |
1077 | int r_index; | |
1078 | int r_extern; | |
1079 | unsigned int r_type; | |
e2aed73b | 1080 | struct aoutdata *su = (struct aoutdata *)(abfd->tdata); |
c93595dd SC |
1081 | |
1082 | cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address); | |
1083 | ||
1084 | /* now the fun stuff */ | |
1085 | if (abfd->xvec->header_byteorder_big_p != false) { | |
1086 | r_index = (bytes->r_index[0] << 16) | |
1087 | | (bytes->r_index[1] << 8) | |
1088 | | bytes->r_index[2]; | |
1089 | r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_BIG)); | |
1090 | r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_BIG) | |
1091 | >> RELOC_EXT_BITS_TYPE_SH_BIG; | |
1092 | } else { | |
1093 | r_index = (bytes->r_index[2] << 16) | |
1094 | | (bytes->r_index[1] << 8) | |
1095 | | bytes->r_index[0]; | |
1096 | r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_LITTLE)); | |
1097 | r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_LITTLE) | |
1098 | >> RELOC_EXT_BITS_TYPE_SH_LITTLE; | |
1099 | } | |
1100 | ||
1101 | cache_ptr->howto = howto_table_ext + r_type; | |
1102 | MOVE_ADDRESS(bfd_h_getlong(abfd,bytes->r_addend)); | |
c93595dd SC |
1103 | } |
1104 | ||
1105 | void | |
1106 | swap_std_reloc_in (abfd, bytes, cache_ptr, symbols) | |
1107 | bfd *abfd; | |
fc723380 | 1108 | struct reloc_std_bytes *bytes; |
c93595dd SC |
1109 | arelent *cache_ptr; |
1110 | asymbol **symbols; | |
1111 | { | |
1112 | int r_index; | |
1113 | int r_extern; | |
1114 | unsigned int r_length; | |
1115 | int r_pcrel; | |
1116 | int r_baserel, r_jmptable, r_relative; | |
e2aed73b | 1117 | struct aoutdata *su = (struct aoutdata *)(abfd->tdata); |
fc723380 | 1118 | |
c93595dd SC |
1119 | cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address); |
1120 | ||
1121 | /* now the fun stuff */ | |
1122 | if (abfd->xvec->header_byteorder_big_p != false) { | |
1123 | r_index = (bytes->r_index[0] << 16) | |
1124 | | (bytes->r_index[1] << 8) | |
1125 | | bytes->r_index[2]; | |
1126 | r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_BIG)); | |
1127 | r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_BIG)); | |
1128 | r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_BIG)); | |
1129 | r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_BIG)); | |
1130 | r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_BIG)); | |
1131 | r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_BIG) | |
fc723380 | 1132 | >> RELOC_STD_BITS_LENGTH_SH_BIG; |
c93595dd SC |
1133 | } else { |
1134 | r_index = (bytes->r_index[2] << 16) | |
1135 | | (bytes->r_index[1] << 8) | |
1136 | | bytes->r_index[0]; | |
1137 | r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_LITTLE)); | |
1138 | r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_LITTLE)); | |
1139 | r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_LITTLE)); | |
1140 | r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_LITTLE)); | |
1141 | r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_LITTLE)); | |
1142 | r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_LITTLE) | |
fc723380 | 1143 | >> RELOC_STD_BITS_LENGTH_SH_LITTLE; |
c93595dd SC |
1144 | } |
1145 | ||
1146 | cache_ptr->howto = howto_table_std + r_length + 4 * r_pcrel; | |
1147 | /* FIXME-soon: Roll baserel, jmptable, relative bits into howto setting */ | |
1148 | ||
1149 | MOVE_ADDRESS(0); | |
1150 | } | |
1151 | ||
1152 | /* Reloc hackery */ | |
4a81b561 DHW |
1153 | |
1154 | boolean | |
e2aed73b | 1155 | aout_slurp_reloc_table (abfd, asect, symbols) |
4a81b561 DHW |
1156 | bfd *abfd; |
1157 | sec_ptr asect; | |
1158 | asymbol **symbols; | |
1159 | { | |
1160 | unsigned int count; | |
1161 | size_t reloc_size; | |
9846338e | 1162 | PTR relocs; |
4a81b561 | 1163 | arelent *reloc_cache; |
c93595dd | 1164 | size_t each_size; |
4a81b561 DHW |
1165 | |
1166 | if (asect->relocation) return true; | |
1167 | ||
1168 | if (asect->flags & SEC_CONSTRUCTOR) return true; | |
1169 | ||
1170 | if (asect == obj_datasec (abfd)) { | |
1171 | reloc_size = exec_hdr(abfd)->a_drsize; | |
1172 | goto doit; | |
1173 | } | |
1174 | ||
1175 | if (asect == obj_textsec (abfd)) { | |
1176 | reloc_size = exec_hdr(abfd)->a_trsize; | |
1177 | goto doit; | |
1178 | } | |
1179 | ||
1180 | bfd_error = invalid_operation; | |
1181 | return false; | |
1182 | ||
1183 | doit: | |
1184 | bfd_seek (abfd, asect->rel_filepos, SEEK_SET); | |
e2aed73b | 1185 | each_size = obj_reloc_entry_size (abfd); |
c93595dd SC |
1186 | |
1187 | count = reloc_size / each_size; | |
4a81b561 | 1188 | |
9872a49c SC |
1189 | |
1190 | reloc_cache = (arelent *) bfd_zalloc (abfd, (size_t)(count * sizeof | |
1191 | (arelent))); | |
fc723380 JG |
1192 | if (!reloc_cache) { |
1193 | nomem: | |
1194 | bfd_error = no_memory; | |
1195 | return false; | |
1196 | } | |
1197 | ||
9872a49c | 1198 | relocs = bfd_alloc (abfd, reloc_size); |
fc723380 JG |
1199 | if (!relocs) { |
1200 | bfd_release (abfd, reloc_cache); | |
1201 | goto nomem; | |
1202 | } | |
4a81b561 | 1203 | |
fc723380 JG |
1204 | if (bfd_read (relocs, 1, reloc_size, abfd) != reloc_size) { |
1205 | bfd_release (abfd, relocs); | |
1206 | bfd_release (abfd, reloc_cache); | |
4a81b561 | 1207 | bfd_error = system_call_error; |
4a81b561 DHW |
1208 | return false; |
1209 | } | |
1210 | ||
fc723380 JG |
1211 | if (each_size == RELOC_EXT_SIZE) { |
1212 | register struct reloc_ext_bytes *rptr = (struct reloc_ext_bytes *) relocs; | |
1213 | unsigned int counter = 0; | |
1214 | arelent *cache_ptr = reloc_cache; | |
c93595dd | 1215 | |
fc723380 JG |
1216 | for (; counter < count; counter++, rptr++, cache_ptr++) { |
1217 | swap_ext_reloc_in(abfd, rptr, cache_ptr, symbols); | |
c93595dd | 1218 | } |
fc723380 | 1219 | } else { |
9846338e | 1220 | register struct reloc_std_bytes *rptr = (struct reloc_std_bytes *) relocs; |
4a81b561 DHW |
1221 | unsigned int counter = 0; |
1222 | arelent *cache_ptr = reloc_cache; | |
1223 | ||
1224 | for (; counter < count; counter++, rptr++, cache_ptr++) { | |
c93595dd | 1225 | swap_std_reloc_in(abfd, rptr, cache_ptr, symbols); |
4a81b561 | 1226 | } |
4a81b561 | 1227 | |
c93595dd | 1228 | } |
fc723380 JG |
1229 | |
1230 | bfd_release (abfd,relocs); | |
4a81b561 DHW |
1231 | asect->relocation = reloc_cache; |
1232 | asect->reloc_count = count; | |
1233 | return true; | |
1234 | } | |
1235 | ||
c93595dd SC |
1236 | |
1237 | ||
1238 | /* Write out a relocation section into an object file. */ | |
1239 | ||
e2aed73b JG |
1240 | boolean |
1241 | aout_squirt_out_relocs (abfd, section) | |
4a81b561 DHW |
1242 | bfd *abfd; |
1243 | asection *section; | |
1244 | { | |
1245 | arelent **generic; | |
fc723380 | 1246 | unsigned char *native, *natptr; |
c93595dd | 1247 | size_t each_size; |
4a81b561 DHW |
1248 | |
1249 | unsigned int count = section->reloc_count; | |
c93595dd | 1250 | size_t natsize; |
4a81b561 DHW |
1251 | |
1252 | if (count == 0) return true; | |
c93595dd | 1253 | |
e2aed73b | 1254 | each_size = obj_reloc_entry_size (abfd); |
c93595dd | 1255 | natsize = each_size * count; |
9872a49c | 1256 | native = (unsigned char *) bfd_zalloc (abfd, natsize); |
4a81b561 DHW |
1257 | if (!native) { |
1258 | bfd_error = no_memory; | |
1259 | return false; | |
1260 | } | |
1261 | ||
c93595dd | 1262 | generic = section->orelocation; |
4a81b561 | 1263 | |
c93595dd SC |
1264 | if (each_size == RELOC_EXT_SIZE) |
1265 | { | |
fc723380 JG |
1266 | for (natptr = native; |
1267 | count != 0; | |
1268 | --count, natptr += each_size, ++generic) | |
b6316534 | 1269 | swap_ext_reloc_out (abfd, *generic, (struct reloc_ext_bytes *)natptr); |
c93595dd SC |
1270 | } |
1271 | else | |
1272 | { | |
fc723380 JG |
1273 | for (natptr = native; |
1274 | count != 0; | |
1275 | --count, natptr += each_size, ++generic) | |
b6316534 | 1276 | swap_std_reloc_out(abfd, *generic, (struct reloc_std_bytes *)natptr); |
4a81b561 DHW |
1277 | } |
1278 | ||
9846338e | 1279 | if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize) { |
9872a49c | 1280 | bfd_release(abfd, native); |
4a81b561 DHW |
1281 | return false; |
1282 | } | |
9872a49c | 1283 | bfd_release (abfd, native); |
4a81b561 DHW |
1284 | |
1285 | return true; | |
1286 | } | |
1287 | ||
1288 | /* This is stupid. This function should be a boolean predicate */ | |
1289 | unsigned int | |
e2aed73b | 1290 | aout_canonicalize_reloc (abfd, section, relptr, symbols) |
4a81b561 DHW |
1291 | bfd *abfd; |
1292 | sec_ptr section; | |
1293 | arelent **relptr; | |
1294 | asymbol **symbols; | |
1295 | { | |
1296 | arelent *tblptr = section->relocation; | |
1297 | unsigned int count; | |
1298 | ||
e2aed73b | 1299 | if (!(tblptr || aout_slurp_reloc_table (abfd, section, symbols))) |
4a81b561 DHW |
1300 | return 0; |
1301 | ||
1302 | if (section->flags & SEC_CONSTRUCTOR) { | |
1303 | arelent_chain *chain = section->constructor_chain; | |
1304 | for (count = 0; count < section->reloc_count; count ++) { | |
1305 | *relptr ++ = &chain->relent; | |
1306 | chain = chain->next; | |
1307 | } | |
1308 | } | |
1309 | else { | |
1310 | tblptr = section->relocation; | |
1311 | if (!tblptr) return 0; | |
1312 | ||
1313 | for (count = 0; count++ < section->reloc_count;) | |
1314 | { | |
1315 | *relptr++ = tblptr++; | |
1316 | } | |
1317 | } | |
1318 | *relptr = 0; | |
1319 | ||
1320 | return section->reloc_count; | |
1321 | } | |
1322 | ||
1323 | unsigned int | |
e2aed73b | 1324 | aout_get_reloc_upper_bound (abfd, asect) |
4a81b561 DHW |
1325 | bfd *abfd; |
1326 | sec_ptr asect; | |
1327 | { | |
1328 | if (bfd_get_format (abfd) != bfd_object) { | |
1329 | bfd_error = invalid_operation; | |
1330 | return 0; | |
1331 | } | |
1332 | if (asect->flags & SEC_CONSTRUCTOR) { | |
1333 | return (sizeof (arelent *) * (asect->reloc_count+1)); | |
1334 | } | |
1335 | ||
c93595dd | 1336 | |
4a81b561 DHW |
1337 | if (asect == obj_datasec (abfd)) |
1338 | return (sizeof (arelent *) * | |
e2aed73b | 1339 | ((exec_hdr(abfd)->a_drsize / obj_reloc_entry_size (abfd)) |
4a81b561 DHW |
1340 | +1)); |
1341 | ||
1342 | if (asect == obj_textsec (abfd)) | |
1343 | return (sizeof (arelent *) * | |
e2aed73b | 1344 | ((exec_hdr(abfd)->a_trsize / obj_reloc_entry_size (abfd)) |
4a81b561 DHW |
1345 | +1)); |
1346 | ||
1347 | bfd_error = invalid_operation; | |
1348 | return 0; | |
1349 | } | |
1350 | ||
1351 | void | |
e2aed73b | 1352 | aout_reclaim_reloc (ignore_abfd, ignore) |
4a81b561 | 1353 | bfd *ignore_abfd; |
b1847ba9 | 1354 | sec_ptr ignore; |
4a81b561 | 1355 | { |
9872a49c | 1356 | |
4a81b561 DHW |
1357 | } |
1358 | \f | |
1359 | ||
1360 | alent * | |
e2aed73b | 1361 | aout_get_lineno(ignore_abfd, ignore_symbol) |
4a81b561 | 1362 | bfd *ignore_abfd; |
e2aed73b | 1363 | asymbol *ignore_symbol; |
4a81b561 DHW |
1364 | { |
1365 | return (alent *)NULL; | |
1366 | } | |
1367 | ||
1368 | void | |
e2aed73b | 1369 | aout_print_symbol(ignore_abfd, afile, symbol, how) |
4a81b561 | 1370 | bfd *ignore_abfd; |
e2aed73b | 1371 | PTR afile; |
4a81b561 DHW |
1372 | asymbol *symbol; |
1373 | bfd_print_symbol_enum_type how; | |
1374 | { | |
e2aed73b JG |
1375 | FILE *file = (FILE *)afile; |
1376 | ||
4a81b561 DHW |
1377 | switch (how) { |
1378 | case bfd_print_symbol_name_enum: | |
1379 | fprintf(file,"%s", symbol->name); | |
1380 | break; | |
1381 | case bfd_print_symbol_type_enum: | |
1382 | fprintf(file,"%4x %2x %2x",(unsigned)(aout_symbol(symbol)->desc & 0xffff), | |
fc723380 | 1383 | (unsigned)(aout_symbol(symbol)->other & 0xff), |
4a81b561 DHW |
1384 | (unsigned)(aout_symbol(symbol)->type)); |
1385 | break; | |
1386 | case bfd_print_symbol_all_enum: | |
1387 | { | |
9846338e | 1388 | CONST char *section_name = symbol->section == (asection *)NULL ? |
4a81b561 DHW |
1389 | "*abs" : symbol->section->name; |
1390 | ||
9846338e | 1391 | bfd_print_symbol_vandf((PTR)file,symbol); |
4a81b561 DHW |
1392 | |
1393 | fprintf(file," %-5s %04x %02x %02x %s", | |
1394 | section_name, | |
1395 | (unsigned)(aout_symbol(symbol)->desc & 0xffff), | |
fc723380 | 1396 | (unsigned)(aout_symbol(symbol)->other & 0xff), |
4a81b561 DHW |
1397 | (unsigned)(aout_symbol(symbol)->type & 0xff), |
1398 | symbol->name); | |
1399 | } | |
1400 | break; | |
1401 | } | |
1402 | } | |
4a81b561 DHW |
1403 | |
1404 | /* | |
1405 | provided a bfd, a section and an offset into the section, calculate | |
1406 | and return the name of the source file and the line nearest to the | |
1407 | wanted location. | |
1408 | */ | |
1409 | ||
1410 | boolean | |
e2aed73b | 1411 | DEFUN(aout_find_nearest_line,(abfd, |
aa802a32 SC |
1412 | section, |
1413 | symbols, | |
1414 | offset, | |
1415 | filename_ptr, | |
1416 | functionname_ptr, | |
1417 | line_ptr), | |
1418 | bfd *abfd AND | |
1419 | asection *section AND | |
1420 | asymbol **symbols AND | |
1421 | bfd_vma offset AND | |
9846338e SC |
1422 | CONST char **filename_ptr AND |
1423 | CONST char **functionname_ptr AND | |
aa802a32 | 1424 | unsigned int *line_ptr) |
4a81b561 DHW |
1425 | { |
1426 | /* Run down the file looking for the filename, function and linenumber */ | |
1427 | asymbol **p; | |
1428 | static char buffer[100]; | |
1429 | bfd_vma high_line_vma = ~0; | |
1430 | bfd_vma low_func_vma = 0; | |
1431 | asymbol *func = 0; | |
1432 | *filename_ptr = abfd->filename; | |
1433 | *functionname_ptr = 0; | |
1434 | *line_ptr = 0; | |
1435 | if (symbols != (asymbol **)NULL) { | |
1436 | for (p = symbols; *p; p++) { | |
1437 | aout_symbol_type *q = (aout_symbol_type *)(*p); | |
1438 | switch (q->type){ | |
1439 | case N_SO: | |
1440 | *filename_ptr = q->symbol.name; | |
1441 | if (obj_textsec(abfd) != section) { | |
1442 | return true; | |
1443 | } | |
1444 | break; | |
1445 | case N_SLINE: | |
1446 | ||
1447 | case N_DSLINE: | |
1448 | case N_BSLINE: | |
1449 | /* We'll keep this if it resolves nearer than the one we have already */ | |
1450 | if (q->symbol.value >= offset && | |
1451 | q->symbol.value < high_line_vma) { | |
1452 | *line_ptr = q->desc; | |
1453 | high_line_vma = q->symbol.value; | |
1454 | } | |
1455 | break; | |
1456 | case N_FUN: | |
1457 | { | |
1458 | /* We'll keep this if it is nearer than the one we have already */ | |
1459 | if (q->symbol.value >= low_func_vma && | |
1460 | q->symbol.value <= offset) { | |
1461 | low_func_vma = q->symbol.value; | |
1462 | func = (asymbol *)q; | |
1463 | } | |
1464 | if (*line_ptr && func) { | |
9846338e | 1465 | CONST char *function = func->name; |
4a81b561 DHW |
1466 | char *p; |
1467 | strncpy(buffer, function, sizeof(buffer)-1); | |
1468 | buffer[sizeof(buffer)-1] = 0; | |
1469 | /* Have to remove : stuff */ | |
1470 | p = strchr(buffer,':'); | |
1471 | if (p != NULL) {*p = NULL; } | |
1472 | *functionname_ptr = buffer; | |
1473 | return true; | |
1474 | ||
1475 | } | |
1476 | } | |
1477 | break; | |
1478 | } | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | return true; | |
1483 | ||
1484 | } | |
1485 | ||
e2aed73b JG |
1486 | int |
1487 | DEFUN(aout_sizeof_headers,(ignore_abfd), | |
b1847ba9 | 1488 | bfd *ignore_abfd) |
39a2ce33 | 1489 | { |
b1847ba9 | 1490 | return 0; /* FIXME, this is the wrong value! */ |
39a2ce33 | 1491 | } |