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Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for VERSAdos-E objects. |
a6b96beb | 2 | Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
0aabe54e | 3 | 2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Steve Chamberlain of Cygnus Support <[email protected]>. |
5 | ||
6 | Versados is a Motorola trademark. | |
7 | ||
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 12 | the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
23 | MA 02110-1301, USA. */ | |
252b5132 RH |
24 | |
25 | /* | |
26 | SUBSECTION | |
1049f94e | 27 | VERSAdos-E relocatable object file format |
252b5132 RH |
28 | |
29 | DESCRIPTION | |
30 | ||
1049f94e | 31 | This module supports reading of VERSAdos relocatable |
252b5132 RH |
32 | object files. |
33 | ||
34 | A VERSAdos file looks like contains | |
35 | ||
7dee875e | 36 | o Identification Record |
252b5132 | 37 | o External Symbol Definition Record |
7dee875e | 38 | o Object Text Record |
116c20d2 | 39 | o End Record. */ |
252b5132 | 40 | |
252b5132 | 41 | #include "sysdep.h" |
3db64b00 | 42 | #include "bfd.h" |
252b5132 RH |
43 | #include "libbfd.h" |
44 | #include "libiberty.h" | |
45 | ||
252b5132 | 46 | |
252b5132 RH |
47 | #define VHEADER '1' |
48 | #define VESTDEF '2' | |
49 | #define VOTR '3' | |
50 | #define VEND '4' | |
51 | ||
116c20d2 | 52 | #define ES_BASE 17 /* First symbol has esdid 17. */ |
252b5132 | 53 | |
116c20d2 | 54 | /* Per file target dependent information. */ |
252b5132 | 55 | |
116c20d2 | 56 | /* One for each section. */ |
252b5132 | 57 | struct esdid |
116c20d2 NC |
58 | { |
59 | asection *section; /* Ptr to bfd version. */ | |
60 | unsigned char *contents; /* Used to build image. */ | |
61 | int pc; | |
62 | int relocs; /* Reloc count, valid end of pass 1. */ | |
63 | int donerel; /* Have relocs been translated. */ | |
64 | }; | |
252b5132 RH |
65 | |
66 | typedef struct versados_data_struct | |
116c20d2 NC |
67 | { |
68 | int es_done; /* Count of symbol index, starts at ES_BASE. */ | |
69 | asymbol *symbols; /* Pointer to local symbols. */ | |
70 | char *strings; /* Strings of all the above. */ | |
71 | int stringlen; /* Len of string table (valid end of pass1). */ | |
72 | int nsecsyms; /* Number of sections. */ | |
252b5132 | 73 | |
116c20d2 NC |
74 | int ndefs; /* Number of exported symbols (they dont get esdids). */ |
75 | int nrefs; /* Number of imported symbols (valid end of pass1). */ | |
252b5132 | 76 | |
116c20d2 NC |
77 | int ref_idx; /* Current processed value of the above. */ |
78 | int def_idx; | |
252b5132 | 79 | |
116c20d2 | 80 | int pass_2_done; |
252b5132 | 81 | |
116c20d2 NC |
82 | struct esdid e[16]; /* Per section info. */ |
83 | int alert; /* To see if we're trampling. */ | |
84 | asymbol *rest[256 - 16]; /* Per symbol info. */ | |
85 | } | |
252b5132 RH |
86 | tdata_type; |
87 | ||
88 | #define VDATA(abfd) (abfd->tdata.versados_data) | |
89 | #define EDATA(abfd, n) (abfd->tdata.versados_data->e[n]) | |
90 | #define RDATA(abfd, n) (abfd->tdata.versados_data->rest[n]) | |
91 | ||
92 | struct ext_otr | |
116c20d2 NC |
93 | { |
94 | unsigned char size; | |
95 | char type; | |
96 | unsigned char map[4]; | |
97 | unsigned char esdid; | |
98 | unsigned char data[200]; | |
99 | }; | |
252b5132 RH |
100 | |
101 | struct ext_vheader | |
116c20d2 NC |
102 | { |
103 | unsigned char size; | |
104 | char type; /* Record type. */ | |
105 | char name[10]; /* Module name. */ | |
106 | char rev; /* Module rev number. */ | |
107 | char lang; | |
108 | char vol[4]; | |
109 | char user[2]; | |
110 | char cat[8]; | |
111 | char fname[8]; | |
112 | char ext[2]; | |
113 | char time[3]; | |
114 | char date[3]; | |
115 | char rest[211]; | |
116 | }; | |
252b5132 RH |
117 | |
118 | struct ext_esd | |
116c20d2 NC |
119 | { |
120 | unsigned char size; | |
121 | char type; | |
122 | unsigned char esd_entries[1]; | |
123 | }; | |
124 | ||
125 | #define ESD_ABS 0 | |
126 | #define ESD_COMMON 1 | |
127 | #define ESD_STD_REL_SEC 2 | |
128 | #define ESD_SHRT_REL_SEC 3 | |
129 | #define ESD_XDEF_IN_SEC 4 | |
130 | #define ESD_XDEF_IN_ABS 5 | |
131 | #define ESD_XREF_SEC 6 | |
132 | #define ESD_XREF_SYM 7 | |
133 | ||
252b5132 | 134 | union ext_any |
116c20d2 NC |
135 | { |
136 | unsigned char size; | |
137 | struct ext_vheader header; | |
138 | struct ext_esd esd; | |
139 | struct ext_otr otr; | |
140 | }; | |
24a35864 | 141 | |
558e161f | 142 | /* Initialize by filling in the hex conversion array. */ |
252b5132 RH |
143 | |
144 | /* Set up the tdata information. */ | |
145 | ||
b34976b6 | 146 | static bfd_boolean |
116c20d2 | 147 | versados_mkobject (bfd *abfd) |
252b5132 RH |
148 | { |
149 | if (abfd->tdata.versados_data == NULL) | |
150 | { | |
dc810e39 | 151 | bfd_size_type amt = sizeof (tdata_type); |
116c20d2 NC |
152 | tdata_type *tdata = bfd_alloc (abfd, amt); |
153 | ||
252b5132 | 154 | if (tdata == NULL) |
b34976b6 | 155 | return FALSE; |
252b5132 RH |
156 | abfd->tdata.versados_data = tdata; |
157 | tdata->symbols = NULL; | |
158 | VDATA (abfd)->alert = 0x12345678; | |
159 | } | |
160 | ||
161 | bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); | |
b34976b6 | 162 | return TRUE; |
252b5132 RH |
163 | } |
164 | ||
252b5132 RH |
165 | /* Report a problem in an S record file. FIXME: This probably should |
166 | not call fprintf, but we really do need some mechanism for printing | |
167 | error messages. */ | |
168 | ||
252b5132 | 169 | static asymbol * |
116c20d2 NC |
170 | versados_new_symbol (bfd *abfd, |
171 | int snum, | |
172 | const char *name, | |
173 | bfd_vma val, | |
174 | asection *sec) | |
252b5132 RH |
175 | { |
176 | asymbol *n = VDATA (abfd)->symbols + snum; | |
177 | n->name = name; | |
178 | n->value = val; | |
179 | n->section = sec; | |
180 | n->the_bfd = abfd; | |
181 | n->flags = 0; | |
182 | return n; | |
183 | } | |
184 | ||
252b5132 | 185 | static int |
116c20d2 | 186 | get_record (bfd *abfd, union ext_any *ptr) |
252b5132 | 187 | { |
dc810e39 AM |
188 | if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1 |
189 | || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd) | |
190 | != ptr->size)) | |
252b5132 RH |
191 | return 0; |
192 | return 1; | |
193 | } | |
194 | ||
24a35864 | 195 | static int |
116c20d2 | 196 | get_4 (unsigned char **pp) |
252b5132 RH |
197 | { |
198 | unsigned char *p = *pp; | |
116c20d2 | 199 | |
252b5132 RH |
200 | *pp += 4; |
201 | return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); | |
202 | } | |
203 | ||
24a35864 | 204 | static void |
116c20d2 | 205 | get_10 (unsigned char **pp, char *name) |
252b5132 RH |
206 | { |
207 | char *p = (char *) *pp; | |
208 | int len = 10; | |
116c20d2 | 209 | |
252b5132 | 210 | *pp += len; |
116c20d2 | 211 | while (*p != ' ' && len) |
252b5132 RH |
212 | { |
213 | *name++ = *p++; | |
214 | len--; | |
215 | } | |
216 | *name = 0; | |
217 | } | |
218 | ||
219 | static char * | |
116c20d2 | 220 | new_symbol_string (bfd *abfd, const char *name) |
252b5132 RH |
221 | { |
222 | char *n = VDATA (abfd)->strings; | |
116c20d2 | 223 | |
252b5132 RH |
224 | strcpy (VDATA (abfd)->strings, name); |
225 | VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1; | |
226 | return n; | |
227 | } | |
228 | ||
252b5132 | 229 | static void |
116c20d2 | 230 | process_esd (bfd *abfd, struct ext_esd *esd, int pass) |
252b5132 | 231 | { |
116c20d2 | 232 | /* Read through the ext def for the est entries. */ |
252b5132 RH |
233 | int togo = esd->size - 2; |
234 | bfd_vma size; | |
235 | bfd_vma start; | |
236 | asection *sec; | |
237 | char name[11]; | |
238 | unsigned char *ptr = esd->esd_entries; | |
239 | unsigned char *end = ptr + togo; | |
116c20d2 | 240 | |
252b5132 RH |
241 | while (ptr < end) |
242 | { | |
243 | int scn = *ptr & 0xf; | |
244 | int typ = (*ptr >> 4) & 0xf; | |
245 | ||
116c20d2 | 246 | /* Declare this section. */ |
252b5132 RH |
247 | sprintf (name, "%d", scn); |
248 | sec = bfd_make_section_old_way (abfd, strdup (name)); | |
249 | sec->target_index = scn; | |
250 | EDATA (abfd, scn).section = sec; | |
251 | ptr++; | |
116c20d2 | 252 | |
252b5132 RH |
253 | switch (typ) |
254 | { | |
255 | default: | |
256 | abort (); | |
257 | case ESD_XREF_SEC: | |
258 | case ESD_XREF_SYM: | |
259 | { | |
260 | int snum = VDATA (abfd)->ref_idx++; | |
261 | get_10 (&ptr, name); | |
262 | if (pass == 1) | |
116c20d2 | 263 | VDATA (abfd)->stringlen += strlen (name) + 1; |
252b5132 RH |
264 | else |
265 | { | |
266 | int esidx; | |
267 | asymbol *s; | |
268 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 269 | |
dc810e39 AM |
270 | s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0, |
271 | bfd_und_section_ptr); | |
252b5132 RH |
272 | esidx = VDATA (abfd)->es_done++; |
273 | RDATA (abfd, esidx - ES_BASE) = s; | |
274 | } | |
275 | } | |
276 | break; | |
277 | ||
252b5132 RH |
278 | case ESD_ABS: |
279 | size = get_4 (&ptr); | |
c7e2358a | 280 | (void) size; |
252b5132 | 281 | start = get_4 (&ptr); |
c7e2358a | 282 | (void) start; |
252b5132 RH |
283 | break; |
284 | case ESD_STD_REL_SEC: | |
285 | case ESD_SHRT_REL_SEC: | |
116c20d2 NC |
286 | sec->size = get_4 (&ptr); |
287 | sec->flags |= SEC_ALLOC; | |
252b5132 RH |
288 | break; |
289 | case ESD_XDEF_IN_ABS: | |
290 | sec = (asection *) & bfd_abs_section; | |
291 | case ESD_XDEF_IN_SEC: | |
292 | { | |
293 | int snum = VDATA (abfd)->def_idx++; | |
dc810e39 | 294 | bfd_vma val; |
116c20d2 | 295 | |
252b5132 RH |
296 | get_10 (&ptr, name); |
297 | val = get_4 (&ptr); | |
298 | if (pass == 1) | |
116c20d2 NC |
299 | /* Just remember the symbol. */ |
300 | VDATA (abfd)->stringlen += strlen (name) + 1; | |
252b5132 RH |
301 | else |
302 | { | |
303 | asymbol *s; | |
304 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 305 | |
dc810e39 AM |
306 | s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, |
307 | val, sec); | |
252b5132 RH |
308 | s->flags |= BSF_GLOBAL; |
309 | } | |
310 | } | |
311 | break; | |
312 | } | |
313 | } | |
314 | } | |
315 | ||
116c20d2 NC |
316 | #define R_RELWORD 1 |
317 | #define R_RELLONG 2 | |
252b5132 RH |
318 | #define R_RELWORD_NEG 3 |
319 | #define R_RELLONG_NEG 4 | |
320 | ||
321 | reloc_howto_type versados_howto_table[] = | |
322 | { | |
b34976b6 | 323 | HOWTO (R_RELWORD, 0, 1, 16, FALSE, |
252b5132 | 324 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
325 | "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
326 | HOWTO (R_RELLONG, 0, 2, 32, FALSE, | |
252b5132 | 327 | 0, complain_overflow_dont, 0, |
b34976b6 | 328 | "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 | 329 | |
b34976b6 | 330 | HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, |
252b5132 | 331 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
332 | "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
333 | HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, | |
252b5132 | 334 | 0, complain_overflow_dont, 0, |
b34976b6 | 335 | "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 RH |
336 | }; |
337 | ||
252b5132 | 338 | static int |
116c20d2 | 339 | get_offset (int len, unsigned char *ptr) |
252b5132 RH |
340 | { |
341 | int val = 0; | |
116c20d2 | 342 | |
252b5132 RH |
343 | if (len) |
344 | { | |
345 | int i; | |
116c20d2 | 346 | |
252b5132 RH |
347 | val = *ptr++; |
348 | if (val & 0x80) | |
349 | val |= ~0xff; | |
350 | for (i = 1; i < len; i++) | |
351 | val = (val << 8) | *ptr++; | |
352 | } | |
353 | ||
354 | return val; | |
355 | } | |
356 | ||
357 | static void | |
116c20d2 | 358 | process_otr (bfd *abfd, struct ext_otr *otr, int pass) |
252b5132 RH |
359 | { |
360 | unsigned long shift; | |
361 | unsigned char *srcp = otr->data; | |
362 | unsigned char *endp = (unsigned char *) otr + otr->size; | |
363 | unsigned int bits = (otr->map[0] << 24) | |
364 | | (otr->map[1] << 16) | |
365 | | (otr->map[2] << 8) | |
366 | | (otr->map[3] << 0); | |
367 | ||
368 | struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); | |
369 | unsigned char *contents = esdid->contents; | |
370 | int need_contents = 0; | |
371 | unsigned int dst_idx = esdid->pc; | |
372 | ||
dc810e39 | 373 | for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) |
252b5132 RH |
374 | { |
375 | if (bits & shift) | |
376 | { | |
377 | int flag = *srcp++; | |
378 | int esdids = (flag >> 5) & 0x7; | |
379 | int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; | |
380 | int offsetlen = flag & 0x7; | |
381 | int j; | |
382 | ||
252b5132 RH |
383 | if (esdids == 0) |
384 | { | |
116c20d2 | 385 | /* A zero esdid means the new pc is the offset given. */ |
252b5132 RH |
386 | dst_idx += get_offset (offsetlen, srcp); |
387 | srcp += offsetlen; | |
388 | } | |
389 | else | |
390 | { | |
391 | int val = get_offset (offsetlen, srcp + esdids); | |
116c20d2 | 392 | |
252b5132 RH |
393 | if (pass == 1) |
394 | need_contents = 1; | |
395 | else | |
396 | for (j = 0; j < sizeinwords * 2; j++) | |
397 | { | |
398 | contents[dst_idx + (sizeinwords * 2) - j - 1] = val; | |
399 | val >>= 8; | |
400 | } | |
401 | ||
402 | for (j = 0; j < esdids; j++) | |
403 | { | |
91d6fa6a | 404 | int id = *srcp++; |
252b5132 | 405 | |
91d6fa6a | 406 | if (id) |
252b5132 RH |
407 | { |
408 | int rn = EDATA (abfd, otr->esdid - 1).relocs++; | |
116c20d2 | 409 | |
252b5132 RH |
410 | if (pass == 1) |
411 | { | |
116c20d2 NC |
412 | /* This is the first pass over the data, |
413 | just remember that we need a reloc. */ | |
252b5132 RH |
414 | } |
415 | else | |
416 | { | |
417 | arelent *n = | |
418 | EDATA (abfd, otr->esdid - 1).section->relocation + rn; | |
419 | n->address = dst_idx; | |
420 | ||
91d6fa6a | 421 | n->sym_ptr_ptr = (asymbol **) (size_t) id; |
252b5132 RH |
422 | n->addend = 0; |
423 | n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); | |
424 | } | |
425 | } | |
426 | } | |
427 | srcp += offsetlen; | |
428 | dst_idx += sizeinwords * 2; | |
429 | } | |
430 | } | |
431 | else | |
432 | { | |
433 | need_contents = 1; | |
eea6121a | 434 | if (dst_idx < esdid->section->size) |
252b5132 RH |
435 | if (pass == 2) |
436 | { | |
116c20d2 | 437 | /* Absolute code, comes in 16 bit lumps. */ |
252b5132 RH |
438 | contents[dst_idx] = srcp[0]; |
439 | contents[dst_idx + 1] = srcp[1]; | |
440 | } | |
441 | dst_idx += 2; | |
442 | srcp += 2; | |
443 | } | |
444 | } | |
445 | EDATA (abfd, otr->esdid - 1).pc = dst_idx; | |
446 | ||
447 | if (!contents && need_contents) | |
dc810e39 | 448 | { |
eea6121a | 449 | bfd_size_type size = esdid->section->size; |
116c20d2 | 450 | esdid->contents = bfd_alloc (abfd, size); |
dc810e39 | 451 | } |
252b5132 RH |
452 | } |
453 | ||
b34976b6 | 454 | static bfd_boolean |
116c20d2 | 455 | versados_scan (bfd *abfd) |
252b5132 RH |
456 | { |
457 | int loop = 1; | |
458 | int i; | |
459 | int j; | |
460 | int nsecs = 0; | |
dc810e39 | 461 | bfd_size_type amt; |
252b5132 | 462 | |
bfde9f99 | 463 | VDATA (abfd)->stringlen = 0; |
252b5132 RH |
464 | VDATA (abfd)->nrefs = 0; |
465 | VDATA (abfd)->ndefs = 0; | |
466 | VDATA (abfd)->ref_idx = 0; | |
467 | VDATA (abfd)->def_idx = 0; | |
bfde9f99 | 468 | VDATA (abfd)->pass_2_done = 0; |
252b5132 RH |
469 | |
470 | while (loop) | |
471 | { | |
472 | union ext_any any; | |
116c20d2 | 473 | |
252b5132 | 474 | if (!get_record (abfd, &any)) |
b34976b6 | 475 | return TRUE; |
252b5132 RH |
476 | switch (any.header.type) |
477 | { | |
478 | case VHEADER: | |
479 | break; | |
480 | case VEND: | |
481 | loop = 0; | |
482 | break; | |
483 | case VESTDEF: | |
484 | process_esd (abfd, &any.esd, 1); | |
485 | break; | |
486 | case VOTR: | |
487 | process_otr (abfd, &any.otr, 1); | |
488 | break; | |
489 | } | |
490 | } | |
491 | ||
116c20d2 | 492 | /* Now allocate space for the relocs and sections. */ |
252b5132 RH |
493 | VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; |
494 | VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; | |
495 | VDATA (abfd)->ref_idx = 0; | |
496 | VDATA (abfd)->def_idx = 0; | |
497 | ||
498 | abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; | |
499 | ||
500 | for (i = 0; i < 16; i++) | |
501 | { | |
502 | struct esdid *esdid = &EDATA (abfd, i); | |
116c20d2 | 503 | |
252b5132 RH |
504 | if (esdid->section) |
505 | { | |
dc810e39 | 506 | amt = (bfd_size_type) esdid->relocs * sizeof (arelent); |
116c20d2 | 507 | esdid->section->relocation = bfd_alloc (abfd, amt); |
252b5132 RH |
508 | |
509 | esdid->pc = 0; | |
510 | ||
511 | if (esdid->contents) | |
512 | esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
513 | ||
514 | esdid->section->reloc_count = esdid->relocs; | |
515 | if (esdid->relocs) | |
516 | esdid->section->flags |= SEC_RELOC; | |
517 | ||
518 | esdid->relocs = 0; | |
519 | ||
116c20d2 | 520 | /* Add an entry into the symbol table for it. */ |
252b5132 RH |
521 | nsecs++; |
522 | VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; | |
523 | } | |
524 | } | |
525 | ||
526 | abfd->symcount += nsecs; | |
527 | ||
dc810e39 AM |
528 | amt = abfd->symcount; |
529 | amt *= sizeof (asymbol); | |
116c20d2 | 530 | VDATA (abfd)->symbols = bfd_alloc (abfd, amt); |
252b5132 | 531 | |
dc810e39 AM |
532 | amt = VDATA (abfd)->stringlen; |
533 | VDATA (abfd)->strings = bfd_alloc (abfd, amt); | |
252b5132 RH |
534 | |
535 | if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) | |
536 | || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) | |
b34976b6 | 537 | return FALSE; |
252b5132 RH |
538 | |
539 | /* Actually fill in the section symbols, | |
116c20d2 | 540 | we stick them at the end of the table. */ |
252b5132 RH |
541 | for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) |
542 | { | |
543 | struct esdid *esdid = &EDATA (abfd, i); | |
544 | asection *sec = esdid->section; | |
116c20d2 | 545 | |
252b5132 RH |
546 | if (sec) |
547 | { | |
548 | asymbol *s = VDATA (abfd)->symbols + j; | |
549 | s->name = new_symbol_string (abfd, sec->name); | |
550 | s->section = sec; | |
551 | s->flags = BSF_LOCAL; | |
552 | s->value = 0; | |
553 | s->the_bfd = abfd; | |
554 | j++; | |
555 | } | |
556 | } | |
116c20d2 | 557 | |
252b5132 RH |
558 | if (abfd->symcount) |
559 | abfd->flags |= HAS_SYMS; | |
560 | ||
561 | /* Set this to nsecs - since we've already planted the section | |
116c20d2 | 562 | symbols. */ |
252b5132 RH |
563 | VDATA (abfd)->nsecsyms = nsecs; |
564 | ||
565 | VDATA (abfd)->ref_idx = 0; | |
566 | ||
567 | return 1; | |
568 | } | |
569 | ||
252b5132 RH |
570 | /* Check whether an existing file is a versados file. */ |
571 | ||
572 | static const bfd_target * | |
116c20d2 | 573 | versados_object_p (bfd *abfd) |
252b5132 RH |
574 | { |
575 | struct ext_vheader ext; | |
576 | unsigned char len; | |
487e54f2 | 577 | tdata_type *tdata_save; |
252b5132 RH |
578 | |
579 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
580 | return NULL; | |
581 | ||
dc810e39 | 582 | if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
583 | { |
584 | if (bfd_get_error () != bfd_error_system_call) | |
585 | bfd_set_error (bfd_error_wrong_format); | |
586 | return NULL; | |
587 | } | |
588 | ||
dc810e39 | 589 | if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) |
252b5132 RH |
590 | { |
591 | if (bfd_get_error () != bfd_error_system_call) | |
592 | bfd_set_error (bfd_error_wrong_format); | |
593 | return NULL; | |
594 | } | |
595 | ||
596 | /* We guess that the language field will never be larger than 10. | |
597 | In sample files, it is always either 0 or 1. Checking for this | |
598 | prevents confusion with Intel Hex files. */ | |
599 | if (ext.type != VHEADER | |
600 | || ext.lang > 10) | |
601 | { | |
602 | bfd_set_error (bfd_error_wrong_format); | |
603 | return NULL; | |
604 | } | |
605 | ||
606 | /* OK, looks like a record, build the tdata and read in. */ | |
487e54f2 AM |
607 | tdata_save = abfd->tdata.versados_data; |
608 | if (!versados_mkobject (abfd) || !versados_scan (abfd)) | |
609 | { | |
610 | abfd->tdata.versados_data = tdata_save; | |
611 | return NULL; | |
612 | } | |
252b5132 RH |
613 | |
614 | return abfd->xvec; | |
615 | } | |
616 | ||
b34976b6 | 617 | static bfd_boolean |
116c20d2 | 618 | versados_pass_2 (bfd *abfd) |
252b5132 RH |
619 | { |
620 | union ext_any any; | |
621 | ||
622 | if (VDATA (abfd)->pass_2_done) | |
623 | return 1; | |
624 | ||
dc810e39 | 625 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
252b5132 RH |
626 | return 0; |
627 | ||
628 | VDATA (abfd)->es_done = ES_BASE; | |
629 | ||
116c20d2 | 630 | /* Read records till we get to where we want to be. */ |
252b5132 RH |
631 | while (1) |
632 | { | |
633 | get_record (abfd, &any); | |
634 | switch (any.header.type) | |
635 | { | |
636 | case VEND: | |
637 | VDATA (abfd)->pass_2_done = 1; | |
638 | return 1; | |
639 | case VESTDEF: | |
640 | process_esd (abfd, &any.esd, 2); | |
641 | break; | |
642 | case VOTR: | |
643 | process_otr (abfd, &any.otr, 2); | |
644 | break; | |
645 | } | |
646 | } | |
647 | } | |
648 | ||
b34976b6 | 649 | static bfd_boolean |
116c20d2 NC |
650 | versados_get_section_contents (bfd *abfd, |
651 | asection *section, | |
652 | void * location, | |
653 | file_ptr offset, | |
654 | bfd_size_type count) | |
252b5132 RH |
655 | { |
656 | if (!versados_pass_2 (abfd)) | |
b34976b6 | 657 | return FALSE; |
252b5132 RH |
658 | |
659 | memcpy (location, | |
660 | EDATA (abfd, section->target_index).contents + offset, | |
661 | (size_t) count); | |
662 | ||
b34976b6 | 663 | return TRUE; |
252b5132 RH |
664 | } |
665 | ||
666 | #define versados_get_section_contents_in_window \ | |
667 | _bfd_generic_get_section_contents_in_window | |
668 | ||
b34976b6 | 669 | static bfd_boolean |
116c20d2 NC |
670 | versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED, |
671 | sec_ptr section ATTRIBUTE_UNUSED, | |
672 | const void * location ATTRIBUTE_UNUSED, | |
673 | file_ptr offset ATTRIBUTE_UNUSED, | |
674 | bfd_size_type bytes_to_do ATTRIBUTE_UNUSED) | |
252b5132 | 675 | { |
b34976b6 | 676 | return FALSE; |
252b5132 RH |
677 | } |
678 | ||
252b5132 | 679 | static int |
116c20d2 | 680 | versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
a6b96beb | 681 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
682 | { |
683 | return 0; | |
684 | } | |
685 | ||
252b5132 RH |
686 | /* Return the amount of memory needed to read the symbol table. */ |
687 | ||
688 | static long | |
116c20d2 | 689 | versados_get_symtab_upper_bound (bfd *abfd) |
252b5132 RH |
690 | { |
691 | return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); | |
692 | } | |
693 | ||
694 | /* Return the symbol table. */ | |
695 | ||
696 | static long | |
116c20d2 | 697 | versados_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
698 | { |
699 | unsigned int symcount = bfd_get_symcount (abfd); | |
700 | unsigned int i; | |
701 | asymbol *s; | |
702 | ||
703 | versados_pass_2 (abfd); | |
704 | ||
705 | for (i = 0, s = VDATA (abfd)->symbols; | |
706 | i < symcount; | |
707 | s++, i++) | |
116c20d2 | 708 | *alocation++ = s; |
252b5132 RH |
709 | |
710 | *alocation = NULL; | |
711 | ||
712 | return symcount; | |
713 | } | |
714 | ||
dc810e39 | 715 | static void |
116c20d2 NC |
716 | versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
717 | asymbol *symbol, | |
718 | symbol_info *ret) | |
252b5132 RH |
719 | { |
720 | bfd_symbol_info (symbol, ret); | |
721 | } | |
722 | ||
dc810e39 | 723 | static void |
116c20d2 NC |
724 | versados_print_symbol (bfd *abfd, |
725 | void * afile, | |
726 | asymbol *symbol, | |
727 | bfd_print_symbol_type how) | |
252b5132 RH |
728 | { |
729 | FILE *file = (FILE *) afile; | |
116c20d2 | 730 | |
252b5132 RH |
731 | switch (how) |
732 | { | |
733 | case bfd_print_symbol_name: | |
734 | fprintf (file, "%s", symbol->name); | |
735 | break; | |
736 | default: | |
116c20d2 | 737 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
252b5132 RH |
738 | fprintf (file, " %-5s %s", |
739 | symbol->section->name, | |
740 | symbol->name); | |
252b5132 RH |
741 | } |
742 | } | |
743 | ||
dc810e39 | 744 | static long |
116c20d2 NC |
745 | versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
746 | sec_ptr asect) | |
252b5132 RH |
747 | { |
748 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
749 | } | |
750 | ||
dc810e39 | 751 | static long |
116c20d2 NC |
752 | versados_canonicalize_reloc (bfd *abfd, |
753 | sec_ptr section, | |
754 | arelent **relptr, | |
755 | asymbol **symbols) | |
252b5132 RH |
756 | { |
757 | unsigned int count; | |
758 | arelent *src; | |
759 | ||
760 | versados_pass_2 (abfd); | |
761 | src = section->relocation; | |
762 | if (!EDATA (abfd, section->target_index).donerel) | |
763 | { | |
764 | EDATA (abfd, section->target_index).donerel = 1; | |
116c20d2 | 765 | /* Translate from indexes to symptr ptrs. */ |
252b5132 RH |
766 | for (count = 0; count < section->reloc_count; count++) |
767 | { | |
f60ca5e3 | 768 | int esdid = (int) (size_t) src[count].sym_ptr_ptr; |
252b5132 RH |
769 | |
770 | if (esdid == 0) | |
116c20d2 NC |
771 | src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; |
772 | else if (esdid < ES_BASE) | |
252b5132 | 773 | { |
116c20d2 | 774 | /* Section relative thing. */ |
252b5132 | 775 | struct esdid *e = &EDATA (abfd, esdid - 1); |
116c20d2 | 776 | |
252b5132 RH |
777 | src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; |
778 | } | |
779 | else | |
116c20d2 | 780 | src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; |
252b5132 RH |
781 | } |
782 | } | |
783 | ||
784 | for (count = 0; count < section->reloc_count; count++) | |
116c20d2 NC |
785 | *relptr++ = src++; |
786 | ||
252b5132 RH |
787 | *relptr = 0; |
788 | return section->reloc_count; | |
789 | } | |
790 | ||
116c20d2 NC |
791 | #define versados_close_and_cleanup _bfd_generic_close_and_cleanup |
792 | #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
793 | #define versados_new_section_hook _bfd_generic_new_section_hook | |
794 | #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
795 | #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name | |
796 | #define versados_get_lineno _bfd_nosymbols_get_lineno | |
797 | #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 798 | #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info |
116c20d2 NC |
799 | #define versados_make_empty_symbol _bfd_generic_make_empty_symbol |
800 | #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
801 | #define versados_read_minisymbols _bfd_generic_read_minisymbols | |
802 | #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
803 | #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
157090f7 | 804 | #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
116c20d2 NC |
805 | #define versados_set_arch_mach bfd_default_set_arch_mach |
806 | #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
807 | #define versados_bfd_relax_section bfd_generic_relax_section | |
808 | #define versados_bfd_gc_sections bfd_generic_gc_sections | |
ae17ab41 | 809 | #define versados_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
116c20d2 NC |
810 | #define versados_bfd_merge_sections bfd_generic_merge_sections |
811 | #define versados_bfd_is_group_section bfd_generic_is_group_section | |
812 | #define versados_bfd_discard_group bfd_generic_discard_group | |
813 | #define versados_section_already_linked _bfd_generic_section_already_linked | |
3023e3f6 | 814 | #define versados_bfd_define_common_symbol bfd_generic_define_common_symbol |
116c20d2 NC |
815 | #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
816 | #define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
817 | #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
818 | #define versados_bfd_link_just_syms _bfd_generic_link_just_syms | |
1338dd10 PB |
819 | #define versados_bfd_copy_link_hash_symbol_type \ |
820 | _bfd_generic_copy_link_hash_symbol_type | |
116c20d2 NC |
821 | #define versados_bfd_final_link _bfd_generic_final_link |
822 | #define versados_bfd_link_split_section _bfd_generic_link_split_section | |
252b5132 RH |
823 | |
824 | const bfd_target versados_vec = | |
825 | { | |
116c20d2 | 826 | "versados", /* Name. */ |
252b5132 | 827 | bfd_target_versados_flavour, |
116c20d2 NC |
828 | BFD_ENDIAN_BIG, /* Target byte order. */ |
829 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
830 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
831 | HAS_LINENO | HAS_DEBUG | |
832 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
833 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
116c20d2 NC |
834 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
835 | 0, /* Leading underscore. */ | |
836 | ' ', /* AR_pad_char. */ | |
837 | 16, /* AR_max_namelen. */ | |
0aabe54e | 838 | 0, /* match priority. */ |
252b5132 RH |
839 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
840 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 841 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
252b5132 RH |
842 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
843 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 844 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
252b5132 RH |
845 | |
846 | { | |
847 | _bfd_dummy_target, | |
116c20d2 | 848 | versados_object_p, /* bfd_check_format. */ |
252b5132 RH |
849 | _bfd_dummy_target, |
850 | _bfd_dummy_target, | |
851 | }, | |
852 | { | |
853 | bfd_false, | |
854 | versados_mkobject, | |
855 | _bfd_generic_mkarchive, | |
856 | bfd_false, | |
857 | }, | |
116c20d2 | 858 | { /* bfd_write_contents. */ |
252b5132 RH |
859 | bfd_false, |
860 | bfd_false, | |
861 | _bfd_write_archive_contents, | |
862 | bfd_false, | |
863 | }, | |
864 | ||
865 | BFD_JUMP_TABLE_GENERIC (versados), | |
866 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
867 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
868 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
869 | BFD_JUMP_TABLE_SYMBOLS (versados), | |
870 | BFD_JUMP_TABLE_RELOCS (versados), | |
871 | BFD_JUMP_TABLE_WRITE (versados), | |
872 | BFD_JUMP_TABLE_LINK (versados), | |
873 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
874 | ||
c3c89269 | 875 | NULL, |
558e161f | 876 | |
116c20d2 | 877 | NULL |
252b5132 | 878 | }; |