Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for VERSAdos-E objects. |
b90efa5b | 2 | Copyright (C) 1995-2015 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>. |
4 | ||
5 | Versados is a Motorola trademark. | |
6 | ||
7 | This file is part of BFD, the Binary File Descriptor library. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 11 | the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
22 | MA 02110-1301, USA. */ | |
252b5132 RH |
23 | |
24 | /* | |
25 | SUBSECTION | |
1049f94e | 26 | VERSAdos-E relocatable object file format |
252b5132 RH |
27 | |
28 | DESCRIPTION | |
29 | ||
1049f94e | 30 | This module supports reading of VERSAdos relocatable |
252b5132 RH |
31 | object files. |
32 | ||
33 | A VERSAdos file looks like contains | |
34 | ||
7dee875e | 35 | o Identification Record |
252b5132 | 36 | o External Symbol Definition Record |
7dee875e | 37 | o Object Text Record |
116c20d2 | 38 | o End Record. */ |
252b5132 | 39 | |
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
252b5132 RH |
42 | #include "libbfd.h" |
43 | #include "libiberty.h" | |
44 | ||
252b5132 | 45 | |
252b5132 RH |
46 | #define VHEADER '1' |
47 | #define VESTDEF '2' | |
48 | #define VOTR '3' | |
49 | #define VEND '4' | |
50 | ||
116c20d2 | 51 | #define ES_BASE 17 /* First symbol has esdid 17. */ |
252b5132 | 52 | |
116c20d2 | 53 | /* Per file target dependent information. */ |
252b5132 | 54 | |
116c20d2 | 55 | /* One for each section. */ |
252b5132 | 56 | struct esdid |
116c20d2 NC |
57 | { |
58 | asection *section; /* Ptr to bfd version. */ | |
59 | unsigned char *contents; /* Used to build image. */ | |
60 | int pc; | |
61 | int relocs; /* Reloc count, valid end of pass 1. */ | |
62 | int donerel; /* Have relocs been translated. */ | |
63 | }; | |
252b5132 RH |
64 | |
65 | typedef struct versados_data_struct | |
116c20d2 NC |
66 | { |
67 | int es_done; /* Count of symbol index, starts at ES_BASE. */ | |
68 | asymbol *symbols; /* Pointer to local symbols. */ | |
69 | char *strings; /* Strings of all the above. */ | |
70 | int stringlen; /* Len of string table (valid end of pass1). */ | |
71 | int nsecsyms; /* Number of sections. */ | |
252b5132 | 72 | |
116c20d2 NC |
73 | int ndefs; /* Number of exported symbols (they dont get esdids). */ |
74 | int nrefs; /* Number of imported symbols (valid end of pass1). */ | |
252b5132 | 75 | |
116c20d2 NC |
76 | int ref_idx; /* Current processed value of the above. */ |
77 | int def_idx; | |
252b5132 | 78 | |
116c20d2 | 79 | int pass_2_done; |
252b5132 | 80 | |
116c20d2 NC |
81 | struct esdid e[16]; /* Per section info. */ |
82 | int alert; /* To see if we're trampling. */ | |
83 | asymbol *rest[256 - 16]; /* Per symbol info. */ | |
84 | } | |
252b5132 RH |
85 | tdata_type; |
86 | ||
87 | #define VDATA(abfd) (abfd->tdata.versados_data) | |
a1165289 NC |
88 | #define EDATA(abfd, n) (abfd->tdata.versados_data->e[(n) < 16 ? (n) : 0]) |
89 | #define RDATA(abfd, n) (abfd->tdata.versados_data->rest[(n) < 240 ? (n) : 0]) | |
252b5132 RH |
90 | |
91 | struct ext_otr | |
116c20d2 NC |
92 | { |
93 | unsigned char size; | |
94 | char type; | |
95 | unsigned char map[4]; | |
96 | unsigned char esdid; | |
97 | unsigned char data[200]; | |
98 | }; | |
252b5132 RH |
99 | |
100 | struct ext_vheader | |
116c20d2 NC |
101 | { |
102 | unsigned char size; | |
103 | char type; /* Record type. */ | |
104 | char name[10]; /* Module name. */ | |
105 | char rev; /* Module rev number. */ | |
106 | char lang; | |
107 | char vol[4]; | |
108 | char user[2]; | |
109 | char cat[8]; | |
110 | char fname[8]; | |
111 | char ext[2]; | |
112 | char time[3]; | |
113 | char date[3]; | |
114 | char rest[211]; | |
115 | }; | |
252b5132 RH |
116 | |
117 | struct ext_esd | |
116c20d2 NC |
118 | { |
119 | unsigned char size; | |
120 | char type; | |
121 | unsigned char esd_entries[1]; | |
122 | }; | |
123 | ||
124 | #define ESD_ABS 0 | |
125 | #define ESD_COMMON 1 | |
126 | #define ESD_STD_REL_SEC 2 | |
127 | #define ESD_SHRT_REL_SEC 3 | |
128 | #define ESD_XDEF_IN_SEC 4 | |
129 | #define ESD_XDEF_IN_ABS 5 | |
130 | #define ESD_XREF_SEC 6 | |
131 | #define ESD_XREF_SYM 7 | |
132 | ||
252b5132 | 133 | union ext_any |
116c20d2 NC |
134 | { |
135 | unsigned char size; | |
136 | struct ext_vheader header; | |
137 | struct ext_esd esd; | |
138 | struct ext_otr otr; | |
139 | }; | |
24a35864 | 140 | |
558e161f | 141 | /* Initialize by filling in the hex conversion array. */ |
252b5132 RH |
142 | |
143 | /* Set up the tdata information. */ | |
144 | ||
b34976b6 | 145 | static bfd_boolean |
116c20d2 | 146 | versados_mkobject (bfd *abfd) |
252b5132 RH |
147 | { |
148 | if (abfd->tdata.versados_data == NULL) | |
149 | { | |
dc810e39 | 150 | bfd_size_type amt = sizeof (tdata_type); |
116c20d2 NC |
151 | tdata_type *tdata = bfd_alloc (abfd, amt); |
152 | ||
252b5132 | 153 | if (tdata == NULL) |
b34976b6 | 154 | return FALSE; |
252b5132 RH |
155 | abfd->tdata.versados_data = tdata; |
156 | tdata->symbols = NULL; | |
157 | VDATA (abfd)->alert = 0x12345678; | |
158 | } | |
159 | ||
160 | bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); | |
b34976b6 | 161 | return TRUE; |
252b5132 RH |
162 | } |
163 | ||
252b5132 RH |
164 | /* Report a problem in an S record file. FIXME: This probably should |
165 | not call fprintf, but we really do need some mechanism for printing | |
166 | error messages. */ | |
167 | ||
252b5132 | 168 | static asymbol * |
116c20d2 NC |
169 | versados_new_symbol (bfd *abfd, |
170 | int snum, | |
171 | const char *name, | |
172 | bfd_vma val, | |
173 | asection *sec) | |
252b5132 RH |
174 | { |
175 | asymbol *n = VDATA (abfd)->symbols + snum; | |
176 | n->name = name; | |
177 | n->value = val; | |
178 | n->section = sec; | |
179 | n->the_bfd = abfd; | |
180 | n->flags = 0; | |
181 | return n; | |
182 | } | |
183 | ||
a1165289 | 184 | static bfd_boolean |
116c20d2 | 185 | get_record (bfd *abfd, union ext_any *ptr) |
252b5132 | 186 | { |
dc810e39 AM |
187 | if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1 |
188 | || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd) | |
189 | != ptr->size)) | |
a1165289 NC |
190 | return FALSE; |
191 | ||
192 | { | |
193 | bfd_size_type amt = ptr->size + 1; | |
194 | ||
195 | if (amt < sizeof (* ptr)) | |
196 | memset ((char *) ptr + amt, 0, sizeof (* ptr) - amt); | |
197 | } | |
198 | ||
199 | return TRUE; | |
252b5132 RH |
200 | } |
201 | ||
24a35864 | 202 | static int |
116c20d2 | 203 | get_4 (unsigned char **pp) |
252b5132 RH |
204 | { |
205 | unsigned char *p = *pp; | |
116c20d2 | 206 | |
252b5132 RH |
207 | *pp += 4; |
208 | return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); | |
209 | } | |
210 | ||
24a35864 | 211 | static void |
116c20d2 | 212 | get_10 (unsigned char **pp, char *name) |
252b5132 RH |
213 | { |
214 | char *p = (char *) *pp; | |
215 | int len = 10; | |
116c20d2 | 216 | |
252b5132 | 217 | *pp += len; |
116c20d2 | 218 | while (*p != ' ' && len) |
252b5132 RH |
219 | { |
220 | *name++ = *p++; | |
221 | len--; | |
222 | } | |
223 | *name = 0; | |
224 | } | |
225 | ||
226 | static char * | |
116c20d2 | 227 | new_symbol_string (bfd *abfd, const char *name) |
252b5132 RH |
228 | { |
229 | char *n = VDATA (abfd)->strings; | |
116c20d2 | 230 | |
252b5132 RH |
231 | strcpy (VDATA (abfd)->strings, name); |
232 | VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1; | |
233 | return n; | |
234 | } | |
235 | ||
252b5132 | 236 | static void |
116c20d2 | 237 | process_esd (bfd *abfd, struct ext_esd *esd, int pass) |
252b5132 | 238 | { |
116c20d2 | 239 | /* Read through the ext def for the est entries. */ |
252b5132 RH |
240 | int togo = esd->size - 2; |
241 | bfd_vma size; | |
242 | bfd_vma start; | |
243 | asection *sec; | |
244 | char name[11]; | |
245 | unsigned char *ptr = esd->esd_entries; | |
246 | unsigned char *end = ptr + togo; | |
116c20d2 | 247 | |
252b5132 RH |
248 | while (ptr < end) |
249 | { | |
250 | int scn = *ptr & 0xf; | |
251 | int typ = (*ptr >> 4) & 0xf; | |
252 | ||
116c20d2 | 253 | /* Declare this section. */ |
252b5132 RH |
254 | sprintf (name, "%d", scn); |
255 | sec = bfd_make_section_old_way (abfd, strdup (name)); | |
256 | sec->target_index = scn; | |
257 | EDATA (abfd, scn).section = sec; | |
258 | ptr++; | |
116c20d2 | 259 | |
252b5132 RH |
260 | switch (typ) |
261 | { | |
262 | default: | |
263 | abort (); | |
264 | case ESD_XREF_SEC: | |
265 | case ESD_XREF_SYM: | |
266 | { | |
267 | int snum = VDATA (abfd)->ref_idx++; | |
268 | get_10 (&ptr, name); | |
269 | if (pass == 1) | |
116c20d2 | 270 | VDATA (abfd)->stringlen += strlen (name) + 1; |
252b5132 RH |
271 | else |
272 | { | |
273 | int esidx; | |
274 | asymbol *s; | |
275 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 276 | |
dc810e39 AM |
277 | s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0, |
278 | bfd_und_section_ptr); | |
252b5132 RH |
279 | esidx = VDATA (abfd)->es_done++; |
280 | RDATA (abfd, esidx - ES_BASE) = s; | |
281 | } | |
282 | } | |
283 | break; | |
284 | ||
252b5132 RH |
285 | case ESD_ABS: |
286 | size = get_4 (&ptr); | |
c7e2358a | 287 | (void) size; |
252b5132 | 288 | start = get_4 (&ptr); |
c7e2358a | 289 | (void) start; |
252b5132 RH |
290 | break; |
291 | case ESD_STD_REL_SEC: | |
292 | case ESD_SHRT_REL_SEC: | |
116c20d2 NC |
293 | sec->size = get_4 (&ptr); |
294 | sec->flags |= SEC_ALLOC; | |
252b5132 RH |
295 | break; |
296 | case ESD_XDEF_IN_ABS: | |
45dfa85a | 297 | sec = bfd_abs_section_ptr; |
252b5132 RH |
298 | case ESD_XDEF_IN_SEC: |
299 | { | |
300 | int snum = VDATA (abfd)->def_idx++; | |
dc810e39 | 301 | bfd_vma val; |
116c20d2 | 302 | |
252b5132 RH |
303 | get_10 (&ptr, name); |
304 | val = get_4 (&ptr); | |
305 | if (pass == 1) | |
116c20d2 NC |
306 | /* Just remember the symbol. */ |
307 | VDATA (abfd)->stringlen += strlen (name) + 1; | |
252b5132 RH |
308 | else |
309 | { | |
310 | asymbol *s; | |
311 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 312 | |
dc810e39 AM |
313 | s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, |
314 | val, sec); | |
252b5132 RH |
315 | s->flags |= BSF_GLOBAL; |
316 | } | |
317 | } | |
318 | break; | |
319 | } | |
320 | } | |
321 | } | |
322 | ||
116c20d2 NC |
323 | #define R_RELWORD 1 |
324 | #define R_RELLONG 2 | |
252b5132 RH |
325 | #define R_RELWORD_NEG 3 |
326 | #define R_RELLONG_NEG 4 | |
327 | ||
328 | reloc_howto_type versados_howto_table[] = | |
329 | { | |
b34976b6 | 330 | HOWTO (R_RELWORD, 0, 1, 16, FALSE, |
252b5132 | 331 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
332 | "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
333 | HOWTO (R_RELLONG, 0, 2, 32, FALSE, | |
252b5132 | 334 | 0, complain_overflow_dont, 0, |
b34976b6 | 335 | "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 | 336 | |
b34976b6 | 337 | HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, |
252b5132 | 338 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
339 | "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
340 | HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, | |
252b5132 | 341 | 0, complain_overflow_dont, 0, |
b34976b6 | 342 | "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 RH |
343 | }; |
344 | ||
252b5132 | 345 | static int |
116c20d2 | 346 | get_offset (int len, unsigned char *ptr) |
252b5132 RH |
347 | { |
348 | int val = 0; | |
116c20d2 | 349 | |
252b5132 RH |
350 | if (len) |
351 | { | |
352 | int i; | |
116c20d2 | 353 | |
252b5132 RH |
354 | val = *ptr++; |
355 | if (val & 0x80) | |
356 | val |= ~0xff; | |
357 | for (i = 1; i < len; i++) | |
358 | val = (val << 8) | *ptr++; | |
359 | } | |
360 | ||
361 | return val; | |
362 | } | |
363 | ||
364 | static void | |
116c20d2 | 365 | process_otr (bfd *abfd, struct ext_otr *otr, int pass) |
252b5132 RH |
366 | { |
367 | unsigned long shift; | |
368 | unsigned char *srcp = otr->data; | |
369 | unsigned char *endp = (unsigned char *) otr + otr->size; | |
370 | unsigned int bits = (otr->map[0] << 24) | |
371 | | (otr->map[1] << 16) | |
372 | | (otr->map[2] << 8) | |
373 | | (otr->map[3] << 0); | |
374 | ||
375 | struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); | |
5860e3f8 | 376 | unsigned char *contents; |
a1165289 | 377 | bfd_boolean need_contents = FALSE; |
5860e3f8 NC |
378 | unsigned int dst_idx; |
379 | ||
380 | /* PR 17512: file: ac7da425. */ | |
381 | if (otr->esdid == 0) | |
382 | return; | |
383 | ||
384 | contents = esdid->contents; | |
385 | dst_idx = esdid->pc; | |
386 | ||
dc810e39 | 387 | for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) |
252b5132 RH |
388 | { |
389 | if (bits & shift) | |
390 | { | |
391 | int flag = *srcp++; | |
392 | int esdids = (flag >> 5) & 0x7; | |
393 | int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; | |
394 | int offsetlen = flag & 0x7; | |
395 | int j; | |
396 | ||
252b5132 RH |
397 | if (esdids == 0) |
398 | { | |
116c20d2 | 399 | /* A zero esdid means the new pc is the offset given. */ |
252b5132 RH |
400 | dst_idx += get_offset (offsetlen, srcp); |
401 | srcp += offsetlen; | |
402 | } | |
403 | else | |
404 | { | |
405 | int val = get_offset (offsetlen, srcp + esdids); | |
116c20d2 | 406 | |
252b5132 | 407 | if (pass == 1) |
a1165289 | 408 | need_contents = TRUE; |
5860e3f8 | 409 | else if (contents && dst_idx < esdid->section->size - sizeinwords * 2) |
252b5132 RH |
410 | for (j = 0; j < sizeinwords * 2; j++) |
411 | { | |
412 | contents[dst_idx + (sizeinwords * 2) - j - 1] = val; | |
413 | val >>= 8; | |
414 | } | |
415 | ||
416 | for (j = 0; j < esdids; j++) | |
417 | { | |
91d6fa6a | 418 | int id = *srcp++; |
252b5132 | 419 | |
91d6fa6a | 420 | if (id) |
252b5132 RH |
421 | { |
422 | int rn = EDATA (abfd, otr->esdid - 1).relocs++; | |
116c20d2 | 423 | |
252b5132 RH |
424 | if (pass == 1) |
425 | { | |
116c20d2 NC |
426 | /* This is the first pass over the data, |
427 | just remember that we need a reloc. */ | |
252b5132 RH |
428 | } |
429 | else | |
430 | { | |
5860e3f8 | 431 | arelent *n; |
252b5132 | 432 | |
5860e3f8 NC |
433 | /* PR 17512: file: 54f733e0. */ |
434 | if (EDATA (abfd, otr->esdid - 1).section == NULL) | |
435 | continue; | |
436 | n = EDATA (abfd, otr->esdid - 1).section->relocation + rn; | |
437 | n->address = dst_idx; | |
91d6fa6a | 438 | n->sym_ptr_ptr = (asymbol **) (size_t) id; |
252b5132 RH |
439 | n->addend = 0; |
440 | n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); | |
441 | } | |
442 | } | |
443 | } | |
444 | srcp += offsetlen; | |
445 | dst_idx += sizeinwords * 2; | |
446 | } | |
447 | } | |
448 | else | |
449 | { | |
a1165289 NC |
450 | need_contents = TRUE; |
451 | ||
452 | if (esdid->section && contents && dst_idx < esdid->section->size) | |
252b5132 RH |
453 | if (pass == 2) |
454 | { | |
116c20d2 | 455 | /* Absolute code, comes in 16 bit lumps. */ |
252b5132 RH |
456 | contents[dst_idx] = srcp[0]; |
457 | contents[dst_idx + 1] = srcp[1]; | |
458 | } | |
a1165289 | 459 | |
252b5132 RH |
460 | dst_idx += 2; |
461 | srcp += 2; | |
462 | } | |
463 | } | |
a1165289 | 464 | |
252b5132 RH |
465 | EDATA (abfd, otr->esdid - 1).pc = dst_idx; |
466 | ||
467 | if (!contents && need_contents) | |
dc810e39 | 468 | { |
0a9d414a NC |
469 | if (esdid->section) |
470 | { | |
471 | bfd_size_type size; | |
472 | ||
473 | size = esdid->section->size; | |
474 | esdid->contents = bfd_alloc (abfd, size); | |
475 | } | |
476 | else | |
477 | esdid->contents = NULL; | |
dc810e39 | 478 | } |
252b5132 RH |
479 | } |
480 | ||
b34976b6 | 481 | static bfd_boolean |
116c20d2 | 482 | versados_scan (bfd *abfd) |
252b5132 | 483 | { |
a1165289 | 484 | bfd_boolean loop = TRUE; |
252b5132 RH |
485 | int i; |
486 | int j; | |
487 | int nsecs = 0; | |
dc810e39 | 488 | bfd_size_type amt; |
252b5132 | 489 | |
bfde9f99 | 490 | VDATA (abfd)->stringlen = 0; |
252b5132 RH |
491 | VDATA (abfd)->nrefs = 0; |
492 | VDATA (abfd)->ndefs = 0; | |
493 | VDATA (abfd)->ref_idx = 0; | |
494 | VDATA (abfd)->def_idx = 0; | |
bfde9f99 | 495 | VDATA (abfd)->pass_2_done = 0; |
252b5132 RH |
496 | |
497 | while (loop) | |
498 | { | |
499 | union ext_any any; | |
116c20d2 | 500 | |
252b5132 | 501 | if (!get_record (abfd, &any)) |
a1165289 | 502 | return FALSE; |
252b5132 RH |
503 | switch (any.header.type) |
504 | { | |
505 | case VHEADER: | |
506 | break; | |
507 | case VEND: | |
a1165289 | 508 | loop = FALSE; |
252b5132 RH |
509 | break; |
510 | case VESTDEF: | |
511 | process_esd (abfd, &any.esd, 1); | |
512 | break; | |
513 | case VOTR: | |
514 | process_otr (abfd, &any.otr, 1); | |
515 | break; | |
516 | } | |
517 | } | |
518 | ||
116c20d2 | 519 | /* Now allocate space for the relocs and sections. */ |
252b5132 RH |
520 | VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; |
521 | VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; | |
522 | VDATA (abfd)->ref_idx = 0; | |
523 | VDATA (abfd)->def_idx = 0; | |
524 | ||
525 | abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; | |
526 | ||
527 | for (i = 0; i < 16; i++) | |
528 | { | |
529 | struct esdid *esdid = &EDATA (abfd, i); | |
116c20d2 | 530 | |
252b5132 RH |
531 | if (esdid->section) |
532 | { | |
dc810e39 | 533 | amt = (bfd_size_type) esdid->relocs * sizeof (arelent); |
116c20d2 | 534 | esdid->section->relocation = bfd_alloc (abfd, amt); |
252b5132 RH |
535 | esdid->pc = 0; |
536 | ||
537 | if (esdid->contents) | |
538 | esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
539 | ||
540 | esdid->section->reloc_count = esdid->relocs; | |
541 | if (esdid->relocs) | |
542 | esdid->section->flags |= SEC_RELOC; | |
543 | ||
544 | esdid->relocs = 0; | |
545 | ||
116c20d2 | 546 | /* Add an entry into the symbol table for it. */ |
252b5132 RH |
547 | nsecs++; |
548 | VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; | |
549 | } | |
550 | } | |
551 | ||
552 | abfd->symcount += nsecs; | |
553 | ||
dc810e39 AM |
554 | amt = abfd->symcount; |
555 | amt *= sizeof (asymbol); | |
116c20d2 | 556 | VDATA (abfd)->symbols = bfd_alloc (abfd, amt); |
252b5132 | 557 | |
dc810e39 AM |
558 | amt = VDATA (abfd)->stringlen; |
559 | VDATA (abfd)->strings = bfd_alloc (abfd, amt); | |
252b5132 RH |
560 | |
561 | if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) | |
562 | || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) | |
b34976b6 | 563 | return FALSE; |
252b5132 RH |
564 | |
565 | /* Actually fill in the section symbols, | |
116c20d2 | 566 | we stick them at the end of the table. */ |
252b5132 RH |
567 | for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) |
568 | { | |
569 | struct esdid *esdid = &EDATA (abfd, i); | |
570 | asection *sec = esdid->section; | |
116c20d2 | 571 | |
252b5132 RH |
572 | if (sec) |
573 | { | |
574 | asymbol *s = VDATA (abfd)->symbols + j; | |
575 | s->name = new_symbol_string (abfd, sec->name); | |
576 | s->section = sec; | |
577 | s->flags = BSF_LOCAL; | |
578 | s->value = 0; | |
579 | s->the_bfd = abfd; | |
580 | j++; | |
581 | } | |
582 | } | |
116c20d2 | 583 | |
252b5132 RH |
584 | if (abfd->symcount) |
585 | abfd->flags |= HAS_SYMS; | |
586 | ||
587 | /* Set this to nsecs - since we've already planted the section | |
116c20d2 | 588 | symbols. */ |
252b5132 RH |
589 | VDATA (abfd)->nsecsyms = nsecs; |
590 | ||
591 | VDATA (abfd)->ref_idx = 0; | |
592 | ||
a1165289 | 593 | return TRUE; |
252b5132 RH |
594 | } |
595 | ||
252b5132 RH |
596 | /* Check whether an existing file is a versados file. */ |
597 | ||
598 | static const bfd_target * | |
116c20d2 | 599 | versados_object_p (bfd *abfd) |
252b5132 RH |
600 | { |
601 | struct ext_vheader ext; | |
602 | unsigned char len; | |
487e54f2 | 603 | tdata_type *tdata_save; |
252b5132 RH |
604 | |
605 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
606 | return NULL; | |
607 | ||
dc810e39 | 608 | if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
609 | { |
610 | if (bfd_get_error () != bfd_error_system_call) | |
611 | bfd_set_error (bfd_error_wrong_format); | |
612 | return NULL; | |
613 | } | |
614 | ||
0a9d414a NC |
615 | /* PR 17512: file: 726-2128-0.004. */ |
616 | if (len < 13) | |
617 | { | |
618 | bfd_set_error (bfd_error_wrong_format); | |
619 | return NULL; | |
620 | } | |
621 | ||
dc810e39 | 622 | if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) |
252b5132 RH |
623 | { |
624 | if (bfd_get_error () != bfd_error_system_call) | |
625 | bfd_set_error (bfd_error_wrong_format); | |
626 | return NULL; | |
627 | } | |
628 | ||
629 | /* We guess that the language field will never be larger than 10. | |
630 | In sample files, it is always either 0 or 1. Checking for this | |
631 | prevents confusion with Intel Hex files. */ | |
632 | if (ext.type != VHEADER | |
633 | || ext.lang > 10) | |
634 | { | |
635 | bfd_set_error (bfd_error_wrong_format); | |
636 | return NULL; | |
637 | } | |
638 | ||
639 | /* OK, looks like a record, build the tdata and read in. */ | |
487e54f2 AM |
640 | tdata_save = abfd->tdata.versados_data; |
641 | if (!versados_mkobject (abfd) || !versados_scan (abfd)) | |
642 | { | |
643 | abfd->tdata.versados_data = tdata_save; | |
644 | return NULL; | |
645 | } | |
252b5132 RH |
646 | |
647 | return abfd->xvec; | |
648 | } | |
649 | ||
b34976b6 | 650 | static bfd_boolean |
116c20d2 | 651 | versados_pass_2 (bfd *abfd) |
252b5132 RH |
652 | { |
653 | union ext_any any; | |
654 | ||
655 | if (VDATA (abfd)->pass_2_done) | |
656 | return 1; | |
657 | ||
dc810e39 | 658 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
252b5132 RH |
659 | return 0; |
660 | ||
661 | VDATA (abfd)->es_done = ES_BASE; | |
662 | ||
116c20d2 | 663 | /* Read records till we get to where we want to be. */ |
252b5132 RH |
664 | while (1) |
665 | { | |
666 | get_record (abfd, &any); | |
667 | switch (any.header.type) | |
668 | { | |
669 | case VEND: | |
670 | VDATA (abfd)->pass_2_done = 1; | |
671 | return 1; | |
672 | case VESTDEF: | |
673 | process_esd (abfd, &any.esd, 2); | |
674 | break; | |
675 | case VOTR: | |
676 | process_otr (abfd, &any.otr, 2); | |
677 | break; | |
678 | } | |
679 | } | |
680 | } | |
681 | ||
b34976b6 | 682 | static bfd_boolean |
116c20d2 NC |
683 | versados_get_section_contents (bfd *abfd, |
684 | asection *section, | |
685 | void * location, | |
686 | file_ptr offset, | |
687 | bfd_size_type count) | |
252b5132 RH |
688 | { |
689 | if (!versados_pass_2 (abfd)) | |
b34976b6 | 690 | return FALSE; |
252b5132 RH |
691 | |
692 | memcpy (location, | |
693 | EDATA (abfd, section->target_index).contents + offset, | |
694 | (size_t) count); | |
695 | ||
b34976b6 | 696 | return TRUE; |
252b5132 RH |
697 | } |
698 | ||
699 | #define versados_get_section_contents_in_window \ | |
700 | _bfd_generic_get_section_contents_in_window | |
701 | ||
b34976b6 | 702 | static bfd_boolean |
116c20d2 NC |
703 | versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED, |
704 | sec_ptr section ATTRIBUTE_UNUSED, | |
705 | const void * location ATTRIBUTE_UNUSED, | |
706 | file_ptr offset ATTRIBUTE_UNUSED, | |
707 | bfd_size_type bytes_to_do ATTRIBUTE_UNUSED) | |
252b5132 | 708 | { |
b34976b6 | 709 | return FALSE; |
252b5132 RH |
710 | } |
711 | ||
252b5132 | 712 | static int |
116c20d2 | 713 | versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
a6b96beb | 714 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
715 | { |
716 | return 0; | |
717 | } | |
718 | ||
252b5132 RH |
719 | /* Return the amount of memory needed to read the symbol table. */ |
720 | ||
721 | static long | |
116c20d2 | 722 | versados_get_symtab_upper_bound (bfd *abfd) |
252b5132 RH |
723 | { |
724 | return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); | |
725 | } | |
726 | ||
727 | /* Return the symbol table. */ | |
728 | ||
729 | static long | |
116c20d2 | 730 | versados_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
731 | { |
732 | unsigned int symcount = bfd_get_symcount (abfd); | |
733 | unsigned int i; | |
734 | asymbol *s; | |
735 | ||
736 | versados_pass_2 (abfd); | |
737 | ||
738 | for (i = 0, s = VDATA (abfd)->symbols; | |
739 | i < symcount; | |
740 | s++, i++) | |
116c20d2 | 741 | *alocation++ = s; |
252b5132 RH |
742 | |
743 | *alocation = NULL; | |
744 | ||
745 | return symcount; | |
746 | } | |
747 | ||
dc810e39 | 748 | static void |
116c20d2 NC |
749 | versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
750 | asymbol *symbol, | |
751 | symbol_info *ret) | |
252b5132 RH |
752 | { |
753 | bfd_symbol_info (symbol, ret); | |
754 | } | |
755 | ||
dc810e39 | 756 | static void |
116c20d2 NC |
757 | versados_print_symbol (bfd *abfd, |
758 | void * afile, | |
759 | asymbol *symbol, | |
760 | bfd_print_symbol_type how) | |
252b5132 RH |
761 | { |
762 | FILE *file = (FILE *) afile; | |
116c20d2 | 763 | |
252b5132 RH |
764 | switch (how) |
765 | { | |
766 | case bfd_print_symbol_name: | |
767 | fprintf (file, "%s", symbol->name); | |
768 | break; | |
769 | default: | |
116c20d2 | 770 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
252b5132 RH |
771 | fprintf (file, " %-5s %s", |
772 | symbol->section->name, | |
773 | symbol->name); | |
252b5132 RH |
774 | } |
775 | } | |
776 | ||
dc810e39 | 777 | static long |
116c20d2 NC |
778 | versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
779 | sec_ptr asect) | |
252b5132 RH |
780 | { |
781 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
782 | } | |
783 | ||
dc810e39 | 784 | static long |
116c20d2 NC |
785 | versados_canonicalize_reloc (bfd *abfd, |
786 | sec_ptr section, | |
787 | arelent **relptr, | |
788 | asymbol **symbols) | |
252b5132 RH |
789 | { |
790 | unsigned int count; | |
791 | arelent *src; | |
792 | ||
793 | versados_pass_2 (abfd); | |
794 | src = section->relocation; | |
a1165289 | 795 | |
252b5132 RH |
796 | if (!EDATA (abfd, section->target_index).donerel) |
797 | { | |
798 | EDATA (abfd, section->target_index).donerel = 1; | |
116c20d2 | 799 | /* Translate from indexes to symptr ptrs. */ |
252b5132 RH |
800 | for (count = 0; count < section->reloc_count; count++) |
801 | { | |
f60ca5e3 | 802 | int esdid = (int) (size_t) src[count].sym_ptr_ptr; |
252b5132 RH |
803 | |
804 | if (esdid == 0) | |
45dfa85a | 805 | src[count].sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
116c20d2 | 806 | else if (esdid < ES_BASE) |
252b5132 | 807 | { |
116c20d2 | 808 | /* Section relative thing. */ |
252b5132 | 809 | struct esdid *e = &EDATA (abfd, esdid - 1); |
116c20d2 | 810 | |
5860e3f8 NC |
811 | /* PR 17512: file:cd92277c. */ |
812 | if (e->section) | |
813 | src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; | |
814 | else | |
815 | src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr; | |
252b5132 | 816 | } |
a1165289 NC |
817 | /* PR 17512: file:3757-2936-0.004. */ |
818 | else if ((unsigned) (esdid - ES_BASE) >= bfd_get_symcount (abfd)) | |
819 | src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr; | |
252b5132 | 820 | else |
116c20d2 | 821 | src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; |
252b5132 RH |
822 | } |
823 | } | |
824 | ||
825 | for (count = 0; count < section->reloc_count; count++) | |
116c20d2 NC |
826 | *relptr++ = src++; |
827 | ||
252b5132 RH |
828 | *relptr = 0; |
829 | return section->reloc_count; | |
830 | } | |
831 | ||
116c20d2 NC |
832 | #define versados_close_and_cleanup _bfd_generic_close_and_cleanup |
833 | #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
834 | #define versados_new_section_hook _bfd_generic_new_section_hook | |
835 | #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
836 | #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name | |
837 | #define versados_get_lineno _bfd_nosymbols_get_lineno | |
838 | #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line | |
9c461f7d | 839 | #define versados_find_line _bfd_nosymbols_find_line |
4ab527b0 | 840 | #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info |
60bb06bc | 841 | #define versados_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string |
116c20d2 NC |
842 | #define versados_make_empty_symbol _bfd_generic_make_empty_symbol |
843 | #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
844 | #define versados_read_minisymbols _bfd_generic_read_minisymbols | |
845 | #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
846 | #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
157090f7 | 847 | #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
116c20d2 NC |
848 | #define versados_set_arch_mach bfd_default_set_arch_mach |
849 | #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
850 | #define versados_bfd_relax_section bfd_generic_relax_section | |
851 | #define versados_bfd_gc_sections bfd_generic_gc_sections | |
ae17ab41 | 852 | #define versados_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
116c20d2 NC |
853 | #define versados_bfd_merge_sections bfd_generic_merge_sections |
854 | #define versados_bfd_is_group_section bfd_generic_is_group_section | |
855 | #define versados_bfd_discard_group bfd_generic_discard_group | |
856 | #define versados_section_already_linked _bfd_generic_section_already_linked | |
3023e3f6 | 857 | #define versados_bfd_define_common_symbol bfd_generic_define_common_symbol |
116c20d2 | 858 | #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
116c20d2 NC |
859 | #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols |
860 | #define versados_bfd_link_just_syms _bfd_generic_link_just_syms | |
1338dd10 PB |
861 | #define versados_bfd_copy_link_hash_symbol_type \ |
862 | _bfd_generic_copy_link_hash_symbol_type | |
116c20d2 NC |
863 | #define versados_bfd_final_link _bfd_generic_final_link |
864 | #define versados_bfd_link_split_section _bfd_generic_link_split_section | |
252b5132 | 865 | |
6d00b590 | 866 | const bfd_target m68k_versados_vec = |
252b5132 | 867 | { |
116c20d2 | 868 | "versados", /* Name. */ |
252b5132 | 869 | bfd_target_versados_flavour, |
116c20d2 NC |
870 | BFD_ENDIAN_BIG, /* Target byte order. */ |
871 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
872 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
873 | HAS_LINENO | HAS_DEBUG | |
874 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
875 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
116c20d2 NC |
876 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
877 | 0, /* Leading underscore. */ | |
878 | ' ', /* AR_pad_char. */ | |
879 | 16, /* AR_max_namelen. */ | |
0aabe54e | 880 | 0, /* match priority. */ |
252b5132 RH |
881 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
882 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 883 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
252b5132 RH |
884 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
885 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 886 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
252b5132 RH |
887 | |
888 | { | |
889 | _bfd_dummy_target, | |
116c20d2 | 890 | versados_object_p, /* bfd_check_format. */ |
252b5132 RH |
891 | _bfd_dummy_target, |
892 | _bfd_dummy_target, | |
893 | }, | |
894 | { | |
895 | bfd_false, | |
896 | versados_mkobject, | |
897 | _bfd_generic_mkarchive, | |
898 | bfd_false, | |
899 | }, | |
116c20d2 | 900 | { /* bfd_write_contents. */ |
252b5132 RH |
901 | bfd_false, |
902 | bfd_false, | |
903 | _bfd_write_archive_contents, | |
904 | bfd_false, | |
905 | }, | |
906 | ||
907 | BFD_JUMP_TABLE_GENERIC (versados), | |
908 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
909 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
910 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
911 | BFD_JUMP_TABLE_SYMBOLS (versados), | |
912 | BFD_JUMP_TABLE_RELOCS (versados), | |
913 | BFD_JUMP_TABLE_WRITE (versados), | |
914 | BFD_JUMP_TABLE_LINK (versados), | |
915 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
916 | ||
c3c89269 | 917 | NULL, |
558e161f | 918 | |
116c20d2 | 919 | NULL |
252b5132 | 920 | }; |