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252b5132 | 1 | /* BFD back-end for VERSAdos-E objects. |
4b95cf5c | 2 | Copyright (C) 1995-2014 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) | |
88 | #define EDATA(abfd, n) (abfd->tdata.versados_data->e[n]) | |
89 | #define RDATA(abfd, n) (abfd->tdata.versados_data->rest[n]) | |
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 | ||
252b5132 | 184 | static int |
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)) | |
252b5132 RH |
190 | return 0; |
191 | return 1; | |
192 | } | |
193 | ||
24a35864 | 194 | static int |
116c20d2 | 195 | get_4 (unsigned char **pp) |
252b5132 RH |
196 | { |
197 | unsigned char *p = *pp; | |
116c20d2 | 198 | |
252b5132 RH |
199 | *pp += 4; |
200 | return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); | |
201 | } | |
202 | ||
24a35864 | 203 | static void |
116c20d2 | 204 | get_10 (unsigned char **pp, char *name) |
252b5132 RH |
205 | { |
206 | char *p = (char *) *pp; | |
207 | int len = 10; | |
116c20d2 | 208 | |
252b5132 | 209 | *pp += len; |
116c20d2 | 210 | while (*p != ' ' && len) |
252b5132 RH |
211 | { |
212 | *name++ = *p++; | |
213 | len--; | |
214 | } | |
215 | *name = 0; | |
216 | } | |
217 | ||
218 | static char * | |
116c20d2 | 219 | new_symbol_string (bfd *abfd, const char *name) |
252b5132 RH |
220 | { |
221 | char *n = VDATA (abfd)->strings; | |
116c20d2 | 222 | |
252b5132 RH |
223 | strcpy (VDATA (abfd)->strings, name); |
224 | VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1; | |
225 | return n; | |
226 | } | |
227 | ||
252b5132 | 228 | static void |
116c20d2 | 229 | process_esd (bfd *abfd, struct ext_esd *esd, int pass) |
252b5132 | 230 | { |
116c20d2 | 231 | /* Read through the ext def for the est entries. */ |
252b5132 RH |
232 | int togo = esd->size - 2; |
233 | bfd_vma size; | |
234 | bfd_vma start; | |
235 | asection *sec; | |
236 | char name[11]; | |
237 | unsigned char *ptr = esd->esd_entries; | |
238 | unsigned char *end = ptr + togo; | |
116c20d2 | 239 | |
252b5132 RH |
240 | while (ptr < end) |
241 | { | |
242 | int scn = *ptr & 0xf; | |
243 | int typ = (*ptr >> 4) & 0xf; | |
244 | ||
116c20d2 | 245 | /* Declare this section. */ |
252b5132 RH |
246 | sprintf (name, "%d", scn); |
247 | sec = bfd_make_section_old_way (abfd, strdup (name)); | |
248 | sec->target_index = scn; | |
249 | EDATA (abfd, scn).section = sec; | |
250 | ptr++; | |
116c20d2 | 251 | |
252b5132 RH |
252 | switch (typ) |
253 | { | |
254 | default: | |
255 | abort (); | |
256 | case ESD_XREF_SEC: | |
257 | case ESD_XREF_SYM: | |
258 | { | |
259 | int snum = VDATA (abfd)->ref_idx++; | |
260 | get_10 (&ptr, name); | |
261 | if (pass == 1) | |
116c20d2 | 262 | VDATA (abfd)->stringlen += strlen (name) + 1; |
252b5132 RH |
263 | else |
264 | { | |
265 | int esidx; | |
266 | asymbol *s; | |
267 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 268 | |
dc810e39 AM |
269 | s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0, |
270 | bfd_und_section_ptr); | |
252b5132 RH |
271 | esidx = VDATA (abfd)->es_done++; |
272 | RDATA (abfd, esidx - ES_BASE) = s; | |
273 | } | |
274 | } | |
275 | break; | |
276 | ||
252b5132 RH |
277 | case ESD_ABS: |
278 | size = get_4 (&ptr); | |
c7e2358a | 279 | (void) size; |
252b5132 | 280 | start = get_4 (&ptr); |
c7e2358a | 281 | (void) start; |
252b5132 RH |
282 | break; |
283 | case ESD_STD_REL_SEC: | |
284 | case ESD_SHRT_REL_SEC: | |
116c20d2 NC |
285 | sec->size = get_4 (&ptr); |
286 | sec->flags |= SEC_ALLOC; | |
252b5132 RH |
287 | break; |
288 | case ESD_XDEF_IN_ABS: | |
45dfa85a | 289 | sec = bfd_abs_section_ptr; |
252b5132 RH |
290 | case ESD_XDEF_IN_SEC: |
291 | { | |
292 | int snum = VDATA (abfd)->def_idx++; | |
dc810e39 | 293 | bfd_vma val; |
116c20d2 | 294 | |
252b5132 RH |
295 | get_10 (&ptr, name); |
296 | val = get_4 (&ptr); | |
297 | if (pass == 1) | |
116c20d2 NC |
298 | /* Just remember the symbol. */ |
299 | VDATA (abfd)->stringlen += strlen (name) + 1; | |
252b5132 RH |
300 | else |
301 | { | |
302 | asymbol *s; | |
303 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 304 | |
dc810e39 AM |
305 | s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, |
306 | val, sec); | |
252b5132 RH |
307 | s->flags |= BSF_GLOBAL; |
308 | } | |
309 | } | |
310 | break; | |
311 | } | |
312 | } | |
313 | } | |
314 | ||
116c20d2 NC |
315 | #define R_RELWORD 1 |
316 | #define R_RELLONG 2 | |
252b5132 RH |
317 | #define R_RELWORD_NEG 3 |
318 | #define R_RELLONG_NEG 4 | |
319 | ||
320 | reloc_howto_type versados_howto_table[] = | |
321 | { | |
b34976b6 | 322 | HOWTO (R_RELWORD, 0, 1, 16, FALSE, |
252b5132 | 323 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
324 | "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
325 | HOWTO (R_RELLONG, 0, 2, 32, FALSE, | |
252b5132 | 326 | 0, complain_overflow_dont, 0, |
b34976b6 | 327 | "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 | 328 | |
b34976b6 | 329 | HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, |
252b5132 | 330 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
331 | "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
332 | HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, | |
252b5132 | 333 | 0, complain_overflow_dont, 0, |
b34976b6 | 334 | "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 RH |
335 | }; |
336 | ||
252b5132 | 337 | static int |
116c20d2 | 338 | get_offset (int len, unsigned char *ptr) |
252b5132 RH |
339 | { |
340 | int val = 0; | |
116c20d2 | 341 | |
252b5132 RH |
342 | if (len) |
343 | { | |
344 | int i; | |
116c20d2 | 345 | |
252b5132 RH |
346 | val = *ptr++; |
347 | if (val & 0x80) | |
348 | val |= ~0xff; | |
349 | for (i = 1; i < len; i++) | |
350 | val = (val << 8) | *ptr++; | |
351 | } | |
352 | ||
353 | return val; | |
354 | } | |
355 | ||
356 | static void | |
116c20d2 | 357 | process_otr (bfd *abfd, struct ext_otr *otr, int pass) |
252b5132 RH |
358 | { |
359 | unsigned long shift; | |
360 | unsigned char *srcp = otr->data; | |
361 | unsigned char *endp = (unsigned char *) otr + otr->size; | |
362 | unsigned int bits = (otr->map[0] << 24) | |
363 | | (otr->map[1] << 16) | |
364 | | (otr->map[2] << 8) | |
365 | | (otr->map[3] << 0); | |
366 | ||
367 | struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); | |
368 | unsigned char *contents = esdid->contents; | |
369 | int need_contents = 0; | |
370 | unsigned int dst_idx = esdid->pc; | |
371 | ||
dc810e39 | 372 | for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) |
252b5132 RH |
373 | { |
374 | if (bits & shift) | |
375 | { | |
376 | int flag = *srcp++; | |
377 | int esdids = (flag >> 5) & 0x7; | |
378 | int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; | |
379 | int offsetlen = flag & 0x7; | |
380 | int j; | |
381 | ||
252b5132 RH |
382 | if (esdids == 0) |
383 | { | |
116c20d2 | 384 | /* A zero esdid means the new pc is the offset given. */ |
252b5132 RH |
385 | dst_idx += get_offset (offsetlen, srcp); |
386 | srcp += offsetlen; | |
387 | } | |
388 | else | |
389 | { | |
390 | int val = get_offset (offsetlen, srcp + esdids); | |
116c20d2 | 391 | |
252b5132 RH |
392 | if (pass == 1) |
393 | need_contents = 1; | |
394 | else | |
395 | for (j = 0; j < sizeinwords * 2; j++) | |
396 | { | |
397 | contents[dst_idx + (sizeinwords * 2) - j - 1] = val; | |
398 | val >>= 8; | |
399 | } | |
400 | ||
401 | for (j = 0; j < esdids; j++) | |
402 | { | |
91d6fa6a | 403 | int id = *srcp++; |
252b5132 | 404 | |
91d6fa6a | 405 | if (id) |
252b5132 RH |
406 | { |
407 | int rn = EDATA (abfd, otr->esdid - 1).relocs++; | |
116c20d2 | 408 | |
252b5132 RH |
409 | if (pass == 1) |
410 | { | |
116c20d2 NC |
411 | /* This is the first pass over the data, |
412 | just remember that we need a reloc. */ | |
252b5132 RH |
413 | } |
414 | else | |
415 | { | |
416 | arelent *n = | |
417 | EDATA (abfd, otr->esdid - 1).section->relocation + rn; | |
418 | n->address = dst_idx; | |
419 | ||
91d6fa6a | 420 | n->sym_ptr_ptr = (asymbol **) (size_t) id; |
252b5132 RH |
421 | n->addend = 0; |
422 | n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); | |
423 | } | |
424 | } | |
425 | } | |
426 | srcp += offsetlen; | |
427 | dst_idx += sizeinwords * 2; | |
428 | } | |
429 | } | |
430 | else | |
431 | { | |
432 | need_contents = 1; | |
eea6121a | 433 | if (dst_idx < esdid->section->size) |
252b5132 RH |
434 | if (pass == 2) |
435 | { | |
116c20d2 | 436 | /* Absolute code, comes in 16 bit lumps. */ |
252b5132 RH |
437 | contents[dst_idx] = srcp[0]; |
438 | contents[dst_idx + 1] = srcp[1]; | |
439 | } | |
440 | dst_idx += 2; | |
441 | srcp += 2; | |
442 | } | |
443 | } | |
444 | EDATA (abfd, otr->esdid - 1).pc = dst_idx; | |
445 | ||
446 | if (!contents && need_contents) | |
dc810e39 | 447 | { |
eea6121a | 448 | bfd_size_type size = esdid->section->size; |
116c20d2 | 449 | esdid->contents = bfd_alloc (abfd, size); |
dc810e39 | 450 | } |
252b5132 RH |
451 | } |
452 | ||
b34976b6 | 453 | static bfd_boolean |
116c20d2 | 454 | versados_scan (bfd *abfd) |
252b5132 RH |
455 | { |
456 | int loop = 1; | |
457 | int i; | |
458 | int j; | |
459 | int nsecs = 0; | |
dc810e39 | 460 | bfd_size_type amt; |
252b5132 | 461 | |
bfde9f99 | 462 | VDATA (abfd)->stringlen = 0; |
252b5132 RH |
463 | VDATA (abfd)->nrefs = 0; |
464 | VDATA (abfd)->ndefs = 0; | |
465 | VDATA (abfd)->ref_idx = 0; | |
466 | VDATA (abfd)->def_idx = 0; | |
bfde9f99 | 467 | VDATA (abfd)->pass_2_done = 0; |
252b5132 RH |
468 | |
469 | while (loop) | |
470 | { | |
471 | union ext_any any; | |
116c20d2 | 472 | |
252b5132 | 473 | if (!get_record (abfd, &any)) |
b34976b6 | 474 | return TRUE; |
252b5132 RH |
475 | switch (any.header.type) |
476 | { | |
477 | case VHEADER: | |
478 | break; | |
479 | case VEND: | |
480 | loop = 0; | |
481 | break; | |
482 | case VESTDEF: | |
483 | process_esd (abfd, &any.esd, 1); | |
484 | break; | |
485 | case VOTR: | |
486 | process_otr (abfd, &any.otr, 1); | |
487 | break; | |
488 | } | |
489 | } | |
490 | ||
116c20d2 | 491 | /* Now allocate space for the relocs and sections. */ |
252b5132 RH |
492 | VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; |
493 | VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; | |
494 | VDATA (abfd)->ref_idx = 0; | |
495 | VDATA (abfd)->def_idx = 0; | |
496 | ||
497 | abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; | |
498 | ||
499 | for (i = 0; i < 16; i++) | |
500 | { | |
501 | struct esdid *esdid = &EDATA (abfd, i); | |
116c20d2 | 502 | |
252b5132 RH |
503 | if (esdid->section) |
504 | { | |
dc810e39 | 505 | amt = (bfd_size_type) esdid->relocs * sizeof (arelent); |
116c20d2 | 506 | esdid->section->relocation = bfd_alloc (abfd, amt); |
252b5132 RH |
507 | |
508 | esdid->pc = 0; | |
509 | ||
510 | if (esdid->contents) | |
511 | esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
512 | ||
513 | esdid->section->reloc_count = esdid->relocs; | |
514 | if (esdid->relocs) | |
515 | esdid->section->flags |= SEC_RELOC; | |
516 | ||
517 | esdid->relocs = 0; | |
518 | ||
116c20d2 | 519 | /* Add an entry into the symbol table for it. */ |
252b5132 RH |
520 | nsecs++; |
521 | VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; | |
522 | } | |
523 | } | |
524 | ||
525 | abfd->symcount += nsecs; | |
526 | ||
dc810e39 AM |
527 | amt = abfd->symcount; |
528 | amt *= sizeof (asymbol); | |
116c20d2 | 529 | VDATA (abfd)->symbols = bfd_alloc (abfd, amt); |
252b5132 | 530 | |
dc810e39 AM |
531 | amt = VDATA (abfd)->stringlen; |
532 | VDATA (abfd)->strings = bfd_alloc (abfd, amt); | |
252b5132 RH |
533 | |
534 | if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) | |
535 | || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) | |
b34976b6 | 536 | return FALSE; |
252b5132 RH |
537 | |
538 | /* Actually fill in the section symbols, | |
116c20d2 | 539 | we stick them at the end of the table. */ |
252b5132 RH |
540 | for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) |
541 | { | |
542 | struct esdid *esdid = &EDATA (abfd, i); | |
543 | asection *sec = esdid->section; | |
116c20d2 | 544 | |
252b5132 RH |
545 | if (sec) |
546 | { | |
547 | asymbol *s = VDATA (abfd)->symbols + j; | |
548 | s->name = new_symbol_string (abfd, sec->name); | |
549 | s->section = sec; | |
550 | s->flags = BSF_LOCAL; | |
551 | s->value = 0; | |
552 | s->the_bfd = abfd; | |
553 | j++; | |
554 | } | |
555 | } | |
116c20d2 | 556 | |
252b5132 RH |
557 | if (abfd->symcount) |
558 | abfd->flags |= HAS_SYMS; | |
559 | ||
560 | /* Set this to nsecs - since we've already planted the section | |
116c20d2 | 561 | symbols. */ |
252b5132 RH |
562 | VDATA (abfd)->nsecsyms = nsecs; |
563 | ||
564 | VDATA (abfd)->ref_idx = 0; | |
565 | ||
566 | return 1; | |
567 | } | |
568 | ||
252b5132 RH |
569 | /* Check whether an existing file is a versados file. */ |
570 | ||
571 | static const bfd_target * | |
116c20d2 | 572 | versados_object_p (bfd *abfd) |
252b5132 RH |
573 | { |
574 | struct ext_vheader ext; | |
575 | unsigned char len; | |
487e54f2 | 576 | tdata_type *tdata_save; |
252b5132 RH |
577 | |
578 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
579 | return NULL; | |
580 | ||
dc810e39 | 581 | if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
582 | { |
583 | if (bfd_get_error () != bfd_error_system_call) | |
584 | bfd_set_error (bfd_error_wrong_format); | |
585 | return NULL; | |
586 | } | |
587 | ||
dc810e39 | 588 | if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) |
252b5132 RH |
589 | { |
590 | if (bfd_get_error () != bfd_error_system_call) | |
591 | bfd_set_error (bfd_error_wrong_format); | |
592 | return NULL; | |
593 | } | |
594 | ||
595 | /* We guess that the language field will never be larger than 10. | |
596 | In sample files, it is always either 0 or 1. Checking for this | |
597 | prevents confusion with Intel Hex files. */ | |
598 | if (ext.type != VHEADER | |
599 | || ext.lang > 10) | |
600 | { | |
601 | bfd_set_error (bfd_error_wrong_format); | |
602 | return NULL; | |
603 | } | |
604 | ||
605 | /* OK, looks like a record, build the tdata and read in. */ | |
487e54f2 AM |
606 | tdata_save = abfd->tdata.versados_data; |
607 | if (!versados_mkobject (abfd) || !versados_scan (abfd)) | |
608 | { | |
609 | abfd->tdata.versados_data = tdata_save; | |
610 | return NULL; | |
611 | } | |
252b5132 RH |
612 | |
613 | return abfd->xvec; | |
614 | } | |
615 | ||
b34976b6 | 616 | static bfd_boolean |
116c20d2 | 617 | versados_pass_2 (bfd *abfd) |
252b5132 RH |
618 | { |
619 | union ext_any any; | |
620 | ||
621 | if (VDATA (abfd)->pass_2_done) | |
622 | return 1; | |
623 | ||
dc810e39 | 624 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
252b5132 RH |
625 | return 0; |
626 | ||
627 | VDATA (abfd)->es_done = ES_BASE; | |
628 | ||
116c20d2 | 629 | /* Read records till we get to where we want to be. */ |
252b5132 RH |
630 | while (1) |
631 | { | |
632 | get_record (abfd, &any); | |
633 | switch (any.header.type) | |
634 | { | |
635 | case VEND: | |
636 | VDATA (abfd)->pass_2_done = 1; | |
637 | return 1; | |
638 | case VESTDEF: | |
639 | process_esd (abfd, &any.esd, 2); | |
640 | break; | |
641 | case VOTR: | |
642 | process_otr (abfd, &any.otr, 2); | |
643 | break; | |
644 | } | |
645 | } | |
646 | } | |
647 | ||
b34976b6 | 648 | static bfd_boolean |
116c20d2 NC |
649 | versados_get_section_contents (bfd *abfd, |
650 | asection *section, | |
651 | void * location, | |
652 | file_ptr offset, | |
653 | bfd_size_type count) | |
252b5132 RH |
654 | { |
655 | if (!versados_pass_2 (abfd)) | |
b34976b6 | 656 | return FALSE; |
252b5132 RH |
657 | |
658 | memcpy (location, | |
659 | EDATA (abfd, section->target_index).contents + offset, | |
660 | (size_t) count); | |
661 | ||
b34976b6 | 662 | return TRUE; |
252b5132 RH |
663 | } |
664 | ||
665 | #define versados_get_section_contents_in_window \ | |
666 | _bfd_generic_get_section_contents_in_window | |
667 | ||
b34976b6 | 668 | static bfd_boolean |
116c20d2 NC |
669 | versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED, |
670 | sec_ptr section ATTRIBUTE_UNUSED, | |
671 | const void * location ATTRIBUTE_UNUSED, | |
672 | file_ptr offset ATTRIBUTE_UNUSED, | |
673 | bfd_size_type bytes_to_do ATTRIBUTE_UNUSED) | |
252b5132 | 674 | { |
b34976b6 | 675 | return FALSE; |
252b5132 RH |
676 | } |
677 | ||
252b5132 | 678 | static int |
116c20d2 | 679 | versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
a6b96beb | 680 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
681 | { |
682 | return 0; | |
683 | } | |
684 | ||
252b5132 RH |
685 | /* Return the amount of memory needed to read the symbol table. */ |
686 | ||
687 | static long | |
116c20d2 | 688 | versados_get_symtab_upper_bound (bfd *abfd) |
252b5132 RH |
689 | { |
690 | return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); | |
691 | } | |
692 | ||
693 | /* Return the symbol table. */ | |
694 | ||
695 | static long | |
116c20d2 | 696 | versados_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
697 | { |
698 | unsigned int symcount = bfd_get_symcount (abfd); | |
699 | unsigned int i; | |
700 | asymbol *s; | |
701 | ||
702 | versados_pass_2 (abfd); | |
703 | ||
704 | for (i = 0, s = VDATA (abfd)->symbols; | |
705 | i < symcount; | |
706 | s++, i++) | |
116c20d2 | 707 | *alocation++ = s; |
252b5132 RH |
708 | |
709 | *alocation = NULL; | |
710 | ||
711 | return symcount; | |
712 | } | |
713 | ||
dc810e39 | 714 | static void |
116c20d2 NC |
715 | versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
716 | asymbol *symbol, | |
717 | symbol_info *ret) | |
252b5132 RH |
718 | { |
719 | bfd_symbol_info (symbol, ret); | |
720 | } | |
721 | ||
dc810e39 | 722 | static void |
116c20d2 NC |
723 | versados_print_symbol (bfd *abfd, |
724 | void * afile, | |
725 | asymbol *symbol, | |
726 | bfd_print_symbol_type how) | |
252b5132 RH |
727 | { |
728 | FILE *file = (FILE *) afile; | |
116c20d2 | 729 | |
252b5132 RH |
730 | switch (how) |
731 | { | |
732 | case bfd_print_symbol_name: | |
733 | fprintf (file, "%s", symbol->name); | |
734 | break; | |
735 | default: | |
116c20d2 | 736 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
252b5132 RH |
737 | fprintf (file, " %-5s %s", |
738 | symbol->section->name, | |
739 | symbol->name); | |
252b5132 RH |
740 | } |
741 | } | |
742 | ||
dc810e39 | 743 | static long |
116c20d2 NC |
744 | versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
745 | sec_ptr asect) | |
252b5132 RH |
746 | { |
747 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
748 | } | |
749 | ||
dc810e39 | 750 | static long |
116c20d2 NC |
751 | versados_canonicalize_reloc (bfd *abfd, |
752 | sec_ptr section, | |
753 | arelent **relptr, | |
754 | asymbol **symbols) | |
252b5132 RH |
755 | { |
756 | unsigned int count; | |
757 | arelent *src; | |
758 | ||
759 | versados_pass_2 (abfd); | |
760 | src = section->relocation; | |
761 | if (!EDATA (abfd, section->target_index).donerel) | |
762 | { | |
763 | EDATA (abfd, section->target_index).donerel = 1; | |
116c20d2 | 764 | /* Translate from indexes to symptr ptrs. */ |
252b5132 RH |
765 | for (count = 0; count < section->reloc_count; count++) |
766 | { | |
f60ca5e3 | 767 | int esdid = (int) (size_t) src[count].sym_ptr_ptr; |
252b5132 RH |
768 | |
769 | if (esdid == 0) | |
45dfa85a | 770 | src[count].sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
116c20d2 | 771 | else if (esdid < ES_BASE) |
252b5132 | 772 | { |
116c20d2 | 773 | /* Section relative thing. */ |
252b5132 | 774 | struct esdid *e = &EDATA (abfd, esdid - 1); |
116c20d2 | 775 | |
252b5132 RH |
776 | src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; |
777 | } | |
778 | else | |
116c20d2 | 779 | src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; |
252b5132 RH |
780 | } |
781 | } | |
782 | ||
783 | for (count = 0; count < section->reloc_count; count++) | |
116c20d2 NC |
784 | *relptr++ = src++; |
785 | ||
252b5132 RH |
786 | *relptr = 0; |
787 | return section->reloc_count; | |
788 | } | |
789 | ||
116c20d2 NC |
790 | #define versados_close_and_cleanup _bfd_generic_close_and_cleanup |
791 | #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
792 | #define versados_new_section_hook _bfd_generic_new_section_hook | |
793 | #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
794 | #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name | |
795 | #define versados_get_lineno _bfd_nosymbols_get_lineno | |
796 | #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 797 | #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info |
116c20d2 NC |
798 | #define versados_make_empty_symbol _bfd_generic_make_empty_symbol |
799 | #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
800 | #define versados_read_minisymbols _bfd_generic_read_minisymbols | |
801 | #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
802 | #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
157090f7 | 803 | #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
116c20d2 NC |
804 | #define versados_set_arch_mach bfd_default_set_arch_mach |
805 | #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
806 | #define versados_bfd_relax_section bfd_generic_relax_section | |
807 | #define versados_bfd_gc_sections bfd_generic_gc_sections | |
ae17ab41 | 808 | #define versados_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
116c20d2 NC |
809 | #define versados_bfd_merge_sections bfd_generic_merge_sections |
810 | #define versados_bfd_is_group_section bfd_generic_is_group_section | |
811 | #define versados_bfd_discard_group bfd_generic_discard_group | |
812 | #define versados_section_already_linked _bfd_generic_section_already_linked | |
3023e3f6 | 813 | #define versados_bfd_define_common_symbol bfd_generic_define_common_symbol |
116c20d2 NC |
814 | #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
815 | #define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
816 | #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
817 | #define versados_bfd_link_just_syms _bfd_generic_link_just_syms | |
1338dd10 PB |
818 | #define versados_bfd_copy_link_hash_symbol_type \ |
819 | _bfd_generic_copy_link_hash_symbol_type | |
116c20d2 NC |
820 | #define versados_bfd_final_link _bfd_generic_final_link |
821 | #define versados_bfd_link_split_section _bfd_generic_link_split_section | |
252b5132 RH |
822 | |
823 | const bfd_target versados_vec = | |
824 | { | |
116c20d2 | 825 | "versados", /* Name. */ |
252b5132 | 826 | bfd_target_versados_flavour, |
116c20d2 NC |
827 | BFD_ENDIAN_BIG, /* Target byte order. */ |
828 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
829 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
830 | HAS_LINENO | HAS_DEBUG | |
831 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
832 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
116c20d2 NC |
833 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
834 | 0, /* Leading underscore. */ | |
835 | ' ', /* AR_pad_char. */ | |
836 | 16, /* AR_max_namelen. */ | |
0aabe54e | 837 | 0, /* match priority. */ |
252b5132 RH |
838 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
839 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 840 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
252b5132 RH |
841 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
842 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 843 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
252b5132 RH |
844 | |
845 | { | |
846 | _bfd_dummy_target, | |
116c20d2 | 847 | versados_object_p, /* bfd_check_format. */ |
252b5132 RH |
848 | _bfd_dummy_target, |
849 | _bfd_dummy_target, | |
850 | }, | |
851 | { | |
852 | bfd_false, | |
853 | versados_mkobject, | |
854 | _bfd_generic_mkarchive, | |
855 | bfd_false, | |
856 | }, | |
116c20d2 | 857 | { /* bfd_write_contents. */ |
252b5132 RH |
858 | bfd_false, |
859 | bfd_false, | |
860 | _bfd_write_archive_contents, | |
861 | bfd_false, | |
862 | }, | |
863 | ||
864 | BFD_JUMP_TABLE_GENERIC (versados), | |
865 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
866 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
867 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
868 | BFD_JUMP_TABLE_SYMBOLS (versados), | |
869 | BFD_JUMP_TABLE_RELOCS (versados), | |
870 | BFD_JUMP_TABLE_WRITE (versados), | |
871 | BFD_JUMP_TABLE_LINK (versados), | |
872 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
873 | ||
c3c89269 | 874 | NULL, |
558e161f | 875 | |
116c20d2 | 876 | NULL |
252b5132 | 877 | }; |