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, |
157090f7 | 3 | 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>. |
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); | |
280 | start = get_4 (&ptr); | |
281 | break; | |
282 | case ESD_STD_REL_SEC: | |
283 | case ESD_SHRT_REL_SEC: | |
116c20d2 NC |
284 | sec->size = get_4 (&ptr); |
285 | sec->flags |= SEC_ALLOC; | |
252b5132 RH |
286 | break; |
287 | case ESD_XDEF_IN_ABS: | |
288 | sec = (asection *) & bfd_abs_section; | |
289 | case ESD_XDEF_IN_SEC: | |
290 | { | |
291 | int snum = VDATA (abfd)->def_idx++; | |
dc810e39 | 292 | bfd_vma val; |
116c20d2 | 293 | |
252b5132 RH |
294 | get_10 (&ptr, name); |
295 | val = get_4 (&ptr); | |
296 | if (pass == 1) | |
116c20d2 NC |
297 | /* Just remember the symbol. */ |
298 | VDATA (abfd)->stringlen += strlen (name) + 1; | |
252b5132 RH |
299 | else |
300 | { | |
301 | asymbol *s; | |
302 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 303 | |
dc810e39 AM |
304 | s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, |
305 | val, sec); | |
252b5132 RH |
306 | s->flags |= BSF_GLOBAL; |
307 | } | |
308 | } | |
309 | break; | |
310 | } | |
311 | } | |
312 | } | |
313 | ||
116c20d2 NC |
314 | #define R_RELWORD 1 |
315 | #define R_RELLONG 2 | |
252b5132 RH |
316 | #define R_RELWORD_NEG 3 |
317 | #define R_RELLONG_NEG 4 | |
318 | ||
319 | reloc_howto_type versados_howto_table[] = | |
320 | { | |
b34976b6 | 321 | HOWTO (R_RELWORD, 0, 1, 16, FALSE, |
252b5132 | 322 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
323 | "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
324 | HOWTO (R_RELLONG, 0, 2, 32, FALSE, | |
252b5132 | 325 | 0, complain_overflow_dont, 0, |
b34976b6 | 326 | "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 | 327 | |
b34976b6 | 328 | HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, |
252b5132 | 329 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
330 | "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
331 | HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, | |
252b5132 | 332 | 0, complain_overflow_dont, 0, |
b34976b6 | 333 | "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 RH |
334 | }; |
335 | ||
252b5132 | 336 | static int |
116c20d2 | 337 | get_offset (int len, unsigned char *ptr) |
252b5132 RH |
338 | { |
339 | int val = 0; | |
116c20d2 | 340 | |
252b5132 RH |
341 | if (len) |
342 | { | |
343 | int i; | |
116c20d2 | 344 | |
252b5132 RH |
345 | val = *ptr++; |
346 | if (val & 0x80) | |
347 | val |= ~0xff; | |
348 | for (i = 1; i < len; i++) | |
349 | val = (val << 8) | *ptr++; | |
350 | } | |
351 | ||
352 | return val; | |
353 | } | |
354 | ||
355 | static void | |
116c20d2 | 356 | process_otr (bfd *abfd, struct ext_otr *otr, int pass) |
252b5132 RH |
357 | { |
358 | unsigned long shift; | |
359 | unsigned char *srcp = otr->data; | |
360 | unsigned char *endp = (unsigned char *) otr + otr->size; | |
361 | unsigned int bits = (otr->map[0] << 24) | |
362 | | (otr->map[1] << 16) | |
363 | | (otr->map[2] << 8) | |
364 | | (otr->map[3] << 0); | |
365 | ||
366 | struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); | |
367 | unsigned char *contents = esdid->contents; | |
368 | int need_contents = 0; | |
369 | unsigned int dst_idx = esdid->pc; | |
370 | ||
dc810e39 | 371 | for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) |
252b5132 RH |
372 | { |
373 | if (bits & shift) | |
374 | { | |
375 | int flag = *srcp++; | |
376 | int esdids = (flag >> 5) & 0x7; | |
377 | int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; | |
378 | int offsetlen = flag & 0x7; | |
379 | int j; | |
380 | ||
252b5132 RH |
381 | if (esdids == 0) |
382 | { | |
116c20d2 | 383 | /* A zero esdid means the new pc is the offset given. */ |
252b5132 RH |
384 | dst_idx += get_offset (offsetlen, srcp); |
385 | srcp += offsetlen; | |
386 | } | |
387 | else | |
388 | { | |
389 | int val = get_offset (offsetlen, srcp + esdids); | |
116c20d2 | 390 | |
252b5132 RH |
391 | if (pass == 1) |
392 | need_contents = 1; | |
393 | else | |
394 | for (j = 0; j < sizeinwords * 2; j++) | |
395 | { | |
396 | contents[dst_idx + (sizeinwords * 2) - j - 1] = val; | |
397 | val >>= 8; | |
398 | } | |
399 | ||
400 | for (j = 0; j < esdids; j++) | |
401 | { | |
402 | int esdid = *srcp++; | |
403 | ||
404 | if (esdid) | |
405 | { | |
406 | int rn = EDATA (abfd, otr->esdid - 1).relocs++; | |
116c20d2 | 407 | |
252b5132 RH |
408 | if (pass == 1) |
409 | { | |
116c20d2 NC |
410 | /* This is the first pass over the data, |
411 | just remember that we need a reloc. */ | |
252b5132 RH |
412 | } |
413 | else | |
414 | { | |
415 | arelent *n = | |
416 | EDATA (abfd, otr->esdid - 1).section->relocation + rn; | |
417 | n->address = dst_idx; | |
418 | ||
f60ca5e3 | 419 | n->sym_ptr_ptr = (asymbol **) (size_t) esdid; |
252b5132 RH |
420 | n->addend = 0; |
421 | n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); | |
422 | } | |
423 | } | |
424 | } | |
425 | srcp += offsetlen; | |
426 | dst_idx += sizeinwords * 2; | |
427 | } | |
428 | } | |
429 | else | |
430 | { | |
431 | need_contents = 1; | |
eea6121a | 432 | if (dst_idx < esdid->section->size) |
252b5132 RH |
433 | if (pass == 2) |
434 | { | |
116c20d2 | 435 | /* Absolute code, comes in 16 bit lumps. */ |
252b5132 RH |
436 | contents[dst_idx] = srcp[0]; |
437 | contents[dst_idx + 1] = srcp[1]; | |
438 | } | |
439 | dst_idx += 2; | |
440 | srcp += 2; | |
441 | } | |
442 | } | |
443 | EDATA (abfd, otr->esdid - 1).pc = dst_idx; | |
444 | ||
445 | if (!contents && need_contents) | |
dc810e39 | 446 | { |
eea6121a | 447 | bfd_size_type size = esdid->section->size; |
116c20d2 | 448 | esdid->contents = bfd_alloc (abfd, size); |
dc810e39 | 449 | } |
252b5132 RH |
450 | } |
451 | ||
b34976b6 | 452 | static bfd_boolean |
116c20d2 | 453 | versados_scan (bfd *abfd) |
252b5132 RH |
454 | { |
455 | int loop = 1; | |
456 | int i; | |
457 | int j; | |
458 | int nsecs = 0; | |
dc810e39 | 459 | bfd_size_type amt; |
252b5132 | 460 | |
bfde9f99 | 461 | VDATA (abfd)->stringlen = 0; |
252b5132 RH |
462 | VDATA (abfd)->nrefs = 0; |
463 | VDATA (abfd)->ndefs = 0; | |
464 | VDATA (abfd)->ref_idx = 0; | |
465 | VDATA (abfd)->def_idx = 0; | |
bfde9f99 | 466 | VDATA (abfd)->pass_2_done = 0; |
252b5132 RH |
467 | |
468 | while (loop) | |
469 | { | |
470 | union ext_any any; | |
116c20d2 | 471 | |
252b5132 | 472 | if (!get_record (abfd, &any)) |
b34976b6 | 473 | return TRUE; |
252b5132 RH |
474 | switch (any.header.type) |
475 | { | |
476 | case VHEADER: | |
477 | break; | |
478 | case VEND: | |
479 | loop = 0; | |
480 | break; | |
481 | case VESTDEF: | |
482 | process_esd (abfd, &any.esd, 1); | |
483 | break; | |
484 | case VOTR: | |
485 | process_otr (abfd, &any.otr, 1); | |
486 | break; | |
487 | } | |
488 | } | |
489 | ||
116c20d2 | 490 | /* Now allocate space for the relocs and sections. */ |
252b5132 RH |
491 | VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; |
492 | VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; | |
493 | VDATA (abfd)->ref_idx = 0; | |
494 | VDATA (abfd)->def_idx = 0; | |
495 | ||
496 | abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; | |
497 | ||
498 | for (i = 0; i < 16; i++) | |
499 | { | |
500 | struct esdid *esdid = &EDATA (abfd, i); | |
116c20d2 | 501 | |
252b5132 RH |
502 | if (esdid->section) |
503 | { | |
dc810e39 | 504 | amt = (bfd_size_type) esdid->relocs * sizeof (arelent); |
116c20d2 | 505 | esdid->section->relocation = bfd_alloc (abfd, amt); |
252b5132 RH |
506 | |
507 | esdid->pc = 0; | |
508 | ||
509 | if (esdid->contents) | |
510 | esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
511 | ||
512 | esdid->section->reloc_count = esdid->relocs; | |
513 | if (esdid->relocs) | |
514 | esdid->section->flags |= SEC_RELOC; | |
515 | ||
516 | esdid->relocs = 0; | |
517 | ||
116c20d2 | 518 | /* Add an entry into the symbol table for it. */ |
252b5132 RH |
519 | nsecs++; |
520 | VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; | |
521 | } | |
522 | } | |
523 | ||
524 | abfd->symcount += nsecs; | |
525 | ||
dc810e39 AM |
526 | amt = abfd->symcount; |
527 | amt *= sizeof (asymbol); | |
116c20d2 | 528 | VDATA (abfd)->symbols = bfd_alloc (abfd, amt); |
252b5132 | 529 | |
dc810e39 AM |
530 | amt = VDATA (abfd)->stringlen; |
531 | VDATA (abfd)->strings = bfd_alloc (abfd, amt); | |
252b5132 RH |
532 | |
533 | if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) | |
534 | || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) | |
b34976b6 | 535 | return FALSE; |
252b5132 RH |
536 | |
537 | /* Actually fill in the section symbols, | |
116c20d2 | 538 | we stick them at the end of the table. */ |
252b5132 RH |
539 | for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) |
540 | { | |
541 | struct esdid *esdid = &EDATA (abfd, i); | |
542 | asection *sec = esdid->section; | |
116c20d2 | 543 | |
252b5132 RH |
544 | if (sec) |
545 | { | |
546 | asymbol *s = VDATA (abfd)->symbols + j; | |
547 | s->name = new_symbol_string (abfd, sec->name); | |
548 | s->section = sec; | |
549 | s->flags = BSF_LOCAL; | |
550 | s->value = 0; | |
551 | s->the_bfd = abfd; | |
552 | j++; | |
553 | } | |
554 | } | |
116c20d2 | 555 | |
252b5132 RH |
556 | if (abfd->symcount) |
557 | abfd->flags |= HAS_SYMS; | |
558 | ||
559 | /* Set this to nsecs - since we've already planted the section | |
116c20d2 | 560 | symbols. */ |
252b5132 RH |
561 | VDATA (abfd)->nsecsyms = nsecs; |
562 | ||
563 | VDATA (abfd)->ref_idx = 0; | |
564 | ||
565 | return 1; | |
566 | } | |
567 | ||
252b5132 RH |
568 | /* Check whether an existing file is a versados file. */ |
569 | ||
570 | static const bfd_target * | |
116c20d2 | 571 | versados_object_p (bfd *abfd) |
252b5132 RH |
572 | { |
573 | struct ext_vheader ext; | |
574 | unsigned char len; | |
487e54f2 | 575 | tdata_type *tdata_save; |
252b5132 RH |
576 | |
577 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
578 | return NULL; | |
579 | ||
dc810e39 | 580 | if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
581 | { |
582 | if (bfd_get_error () != bfd_error_system_call) | |
583 | bfd_set_error (bfd_error_wrong_format); | |
584 | return NULL; | |
585 | } | |
586 | ||
dc810e39 | 587 | if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) |
252b5132 RH |
588 | { |
589 | if (bfd_get_error () != bfd_error_system_call) | |
590 | bfd_set_error (bfd_error_wrong_format); | |
591 | return NULL; | |
592 | } | |
593 | ||
594 | /* We guess that the language field will never be larger than 10. | |
595 | In sample files, it is always either 0 or 1. Checking for this | |
596 | prevents confusion with Intel Hex files. */ | |
597 | if (ext.type != VHEADER | |
598 | || ext.lang > 10) | |
599 | { | |
600 | bfd_set_error (bfd_error_wrong_format); | |
601 | return NULL; | |
602 | } | |
603 | ||
604 | /* OK, looks like a record, build the tdata and read in. */ | |
487e54f2 AM |
605 | tdata_save = abfd->tdata.versados_data; |
606 | if (!versados_mkobject (abfd) || !versados_scan (abfd)) | |
607 | { | |
608 | abfd->tdata.versados_data = tdata_save; | |
609 | return NULL; | |
610 | } | |
252b5132 RH |
611 | |
612 | return abfd->xvec; | |
613 | } | |
614 | ||
b34976b6 | 615 | static bfd_boolean |
116c20d2 | 616 | versados_pass_2 (bfd *abfd) |
252b5132 RH |
617 | { |
618 | union ext_any any; | |
619 | ||
620 | if (VDATA (abfd)->pass_2_done) | |
621 | return 1; | |
622 | ||
dc810e39 | 623 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
252b5132 RH |
624 | return 0; |
625 | ||
626 | VDATA (abfd)->es_done = ES_BASE; | |
627 | ||
116c20d2 | 628 | /* Read records till we get to where we want to be. */ |
252b5132 RH |
629 | while (1) |
630 | { | |
631 | get_record (abfd, &any); | |
632 | switch (any.header.type) | |
633 | { | |
634 | case VEND: | |
635 | VDATA (abfd)->pass_2_done = 1; | |
636 | return 1; | |
637 | case VESTDEF: | |
638 | process_esd (abfd, &any.esd, 2); | |
639 | break; | |
640 | case VOTR: | |
641 | process_otr (abfd, &any.otr, 2); | |
642 | break; | |
643 | } | |
644 | } | |
645 | } | |
646 | ||
b34976b6 | 647 | static bfd_boolean |
116c20d2 NC |
648 | versados_get_section_contents (bfd *abfd, |
649 | asection *section, | |
650 | void * location, | |
651 | file_ptr offset, | |
652 | bfd_size_type count) | |
252b5132 RH |
653 | { |
654 | if (!versados_pass_2 (abfd)) | |
b34976b6 | 655 | return FALSE; |
252b5132 RH |
656 | |
657 | memcpy (location, | |
658 | EDATA (abfd, section->target_index).contents + offset, | |
659 | (size_t) count); | |
660 | ||
b34976b6 | 661 | return TRUE; |
252b5132 RH |
662 | } |
663 | ||
664 | #define versados_get_section_contents_in_window \ | |
665 | _bfd_generic_get_section_contents_in_window | |
666 | ||
b34976b6 | 667 | static bfd_boolean |
116c20d2 NC |
668 | versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED, |
669 | sec_ptr section ATTRIBUTE_UNUSED, | |
670 | const void * location ATTRIBUTE_UNUSED, | |
671 | file_ptr offset ATTRIBUTE_UNUSED, | |
672 | bfd_size_type bytes_to_do ATTRIBUTE_UNUSED) | |
252b5132 | 673 | { |
b34976b6 | 674 | return FALSE; |
252b5132 RH |
675 | } |
676 | ||
252b5132 | 677 | static int |
116c20d2 | 678 | versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
a6b96beb | 679 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
680 | { |
681 | return 0; | |
682 | } | |
683 | ||
252b5132 RH |
684 | /* Return the amount of memory needed to read the symbol table. */ |
685 | ||
686 | static long | |
116c20d2 | 687 | versados_get_symtab_upper_bound (bfd *abfd) |
252b5132 RH |
688 | { |
689 | return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); | |
690 | } | |
691 | ||
692 | /* Return the symbol table. */ | |
693 | ||
694 | static long | |
116c20d2 | 695 | versados_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
696 | { |
697 | unsigned int symcount = bfd_get_symcount (abfd); | |
698 | unsigned int i; | |
699 | asymbol *s; | |
700 | ||
701 | versados_pass_2 (abfd); | |
702 | ||
703 | for (i = 0, s = VDATA (abfd)->symbols; | |
704 | i < symcount; | |
705 | s++, i++) | |
116c20d2 | 706 | *alocation++ = s; |
252b5132 RH |
707 | |
708 | *alocation = NULL; | |
709 | ||
710 | return symcount; | |
711 | } | |
712 | ||
dc810e39 | 713 | static void |
116c20d2 NC |
714 | versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
715 | asymbol *symbol, | |
716 | symbol_info *ret) | |
252b5132 RH |
717 | { |
718 | bfd_symbol_info (symbol, ret); | |
719 | } | |
720 | ||
dc810e39 | 721 | static void |
116c20d2 NC |
722 | versados_print_symbol (bfd *abfd, |
723 | void * afile, | |
724 | asymbol *symbol, | |
725 | bfd_print_symbol_type how) | |
252b5132 RH |
726 | { |
727 | FILE *file = (FILE *) afile; | |
116c20d2 | 728 | |
252b5132 RH |
729 | switch (how) |
730 | { | |
731 | case bfd_print_symbol_name: | |
732 | fprintf (file, "%s", symbol->name); | |
733 | break; | |
734 | default: | |
116c20d2 | 735 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
252b5132 RH |
736 | fprintf (file, " %-5s %s", |
737 | symbol->section->name, | |
738 | symbol->name); | |
252b5132 RH |
739 | } |
740 | } | |
741 | ||
dc810e39 | 742 | static long |
116c20d2 NC |
743 | versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
744 | sec_ptr asect) | |
252b5132 RH |
745 | { |
746 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
747 | } | |
748 | ||
dc810e39 | 749 | static long |
116c20d2 NC |
750 | versados_canonicalize_reloc (bfd *abfd, |
751 | sec_ptr section, | |
752 | arelent **relptr, | |
753 | asymbol **symbols) | |
252b5132 RH |
754 | { |
755 | unsigned int count; | |
756 | arelent *src; | |
757 | ||
758 | versados_pass_2 (abfd); | |
759 | src = section->relocation; | |
760 | if (!EDATA (abfd, section->target_index).donerel) | |
761 | { | |
762 | EDATA (abfd, section->target_index).donerel = 1; | |
116c20d2 | 763 | /* Translate from indexes to symptr ptrs. */ |
252b5132 RH |
764 | for (count = 0; count < section->reloc_count; count++) |
765 | { | |
f60ca5e3 | 766 | int esdid = (int) (size_t) src[count].sym_ptr_ptr; |
252b5132 RH |
767 | |
768 | if (esdid == 0) | |
116c20d2 NC |
769 | src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; |
770 | else if (esdid < ES_BASE) | |
252b5132 | 771 | { |
116c20d2 | 772 | /* Section relative thing. */ |
252b5132 | 773 | struct esdid *e = &EDATA (abfd, esdid - 1); |
116c20d2 | 774 | |
252b5132 RH |
775 | src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; |
776 | } | |
777 | else | |
116c20d2 | 778 | src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; |
252b5132 RH |
779 | } |
780 | } | |
781 | ||
782 | for (count = 0; count < section->reloc_count; count++) | |
116c20d2 NC |
783 | *relptr++ = src++; |
784 | ||
252b5132 RH |
785 | *relptr = 0; |
786 | return section->reloc_count; | |
787 | } | |
788 | ||
116c20d2 NC |
789 | #define versados_close_and_cleanup _bfd_generic_close_and_cleanup |
790 | #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
791 | #define versados_new_section_hook _bfd_generic_new_section_hook | |
792 | #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
793 | #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name | |
794 | #define versados_get_lineno _bfd_nosymbols_get_lineno | |
795 | #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 796 | #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info |
116c20d2 NC |
797 | #define versados_make_empty_symbol _bfd_generic_make_empty_symbol |
798 | #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
799 | #define versados_read_minisymbols _bfd_generic_read_minisymbols | |
800 | #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
801 | #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
157090f7 | 802 | #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
116c20d2 NC |
803 | #define versados_set_arch_mach bfd_default_set_arch_mach |
804 | #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
805 | #define versados_bfd_relax_section bfd_generic_relax_section | |
806 | #define versados_bfd_gc_sections bfd_generic_gc_sections | |
807 | #define versados_bfd_merge_sections bfd_generic_merge_sections | |
808 | #define versados_bfd_is_group_section bfd_generic_is_group_section | |
809 | #define versados_bfd_discard_group bfd_generic_discard_group | |
810 | #define versados_section_already_linked _bfd_generic_section_already_linked | |
3023e3f6 | 811 | #define versados_bfd_define_common_symbol bfd_generic_define_common_symbol |
116c20d2 NC |
812 | #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
813 | #define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
814 | #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
815 | #define versados_bfd_link_just_syms _bfd_generic_link_just_syms | |
816 | #define versados_bfd_final_link _bfd_generic_final_link | |
817 | #define versados_bfd_link_split_section _bfd_generic_link_split_section | |
252b5132 RH |
818 | |
819 | const bfd_target versados_vec = | |
820 | { | |
116c20d2 | 821 | "versados", /* Name. */ |
252b5132 | 822 | bfd_target_versados_flavour, |
116c20d2 NC |
823 | BFD_ENDIAN_BIG, /* Target byte order. */ |
824 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
825 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
826 | HAS_LINENO | HAS_DEBUG | |
827 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
828 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
116c20d2 NC |
829 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
830 | 0, /* Leading underscore. */ | |
831 | ' ', /* AR_pad_char. */ | |
832 | 16, /* AR_max_namelen. */ | |
252b5132 RH |
833 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
834 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 835 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
252b5132 RH |
836 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
837 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 838 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
252b5132 RH |
839 | |
840 | { | |
841 | _bfd_dummy_target, | |
116c20d2 | 842 | versados_object_p, /* bfd_check_format. */ |
252b5132 RH |
843 | _bfd_dummy_target, |
844 | _bfd_dummy_target, | |
845 | }, | |
846 | { | |
847 | bfd_false, | |
848 | versados_mkobject, | |
849 | _bfd_generic_mkarchive, | |
850 | bfd_false, | |
851 | }, | |
116c20d2 | 852 | { /* bfd_write_contents. */ |
252b5132 RH |
853 | bfd_false, |
854 | bfd_false, | |
855 | _bfd_write_archive_contents, | |
856 | bfd_false, | |
857 | }, | |
858 | ||
859 | BFD_JUMP_TABLE_GENERIC (versados), | |
860 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
861 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
862 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
863 | BFD_JUMP_TABLE_SYMBOLS (versados), | |
864 | BFD_JUMP_TABLE_RELOCS (versados), | |
865 | BFD_JUMP_TABLE_WRITE (versados), | |
866 | BFD_JUMP_TABLE_LINK (versados), | |
867 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
868 | ||
c3c89269 | 869 | NULL, |
558e161f | 870 | |
116c20d2 | 871 | NULL |
252b5132 | 872 | }; |