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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, |
157090f7 | 3 | 2006, 2007 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 | |
12 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
3e110533 | 22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 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); | |
279 | start = get_4 (&ptr); | |
280 | break; | |
281 | case ESD_STD_REL_SEC: | |
282 | case ESD_SHRT_REL_SEC: | |
116c20d2 NC |
283 | sec->size = get_4 (&ptr); |
284 | sec->flags |= SEC_ALLOC; | |
252b5132 RH |
285 | break; |
286 | case ESD_XDEF_IN_ABS: | |
287 | sec = (asection *) & bfd_abs_section; | |
288 | case ESD_XDEF_IN_SEC: | |
289 | { | |
290 | int snum = VDATA (abfd)->def_idx++; | |
dc810e39 | 291 | bfd_vma val; |
116c20d2 | 292 | |
252b5132 RH |
293 | get_10 (&ptr, name); |
294 | val = get_4 (&ptr); | |
295 | if (pass == 1) | |
116c20d2 NC |
296 | /* Just remember the symbol. */ |
297 | VDATA (abfd)->stringlen += strlen (name) + 1; | |
252b5132 RH |
298 | else |
299 | { | |
300 | asymbol *s; | |
301 | char *n = new_symbol_string (abfd, name); | |
116c20d2 | 302 | |
dc810e39 AM |
303 | s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, |
304 | val, sec); | |
252b5132 RH |
305 | s->flags |= BSF_GLOBAL; |
306 | } | |
307 | } | |
308 | break; | |
309 | } | |
310 | } | |
311 | } | |
312 | ||
116c20d2 NC |
313 | #define R_RELWORD 1 |
314 | #define R_RELLONG 2 | |
252b5132 RH |
315 | #define R_RELWORD_NEG 3 |
316 | #define R_RELLONG_NEG 4 | |
317 | ||
318 | reloc_howto_type versados_howto_table[] = | |
319 | { | |
b34976b6 | 320 | HOWTO (R_RELWORD, 0, 1, 16, FALSE, |
252b5132 | 321 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
322 | "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
323 | HOWTO (R_RELLONG, 0, 2, 32, FALSE, | |
252b5132 | 324 | 0, complain_overflow_dont, 0, |
b34976b6 | 325 | "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 | 326 | |
b34976b6 | 327 | HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, |
252b5132 | 328 | 0, complain_overflow_dont, 0, |
b34976b6 AM |
329 | "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), |
330 | HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, | |
252b5132 | 331 | 0, complain_overflow_dont, 0, |
b34976b6 | 332 | "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), |
252b5132 RH |
333 | }; |
334 | ||
252b5132 | 335 | static int |
116c20d2 | 336 | get_offset (int len, unsigned char *ptr) |
252b5132 RH |
337 | { |
338 | int val = 0; | |
116c20d2 | 339 | |
252b5132 RH |
340 | if (len) |
341 | { | |
342 | int i; | |
116c20d2 | 343 | |
252b5132 RH |
344 | val = *ptr++; |
345 | if (val & 0x80) | |
346 | val |= ~0xff; | |
347 | for (i = 1; i < len; i++) | |
348 | val = (val << 8) | *ptr++; | |
349 | } | |
350 | ||
351 | return val; | |
352 | } | |
353 | ||
354 | static void | |
116c20d2 | 355 | process_otr (bfd *abfd, struct ext_otr *otr, int pass) |
252b5132 RH |
356 | { |
357 | unsigned long shift; | |
358 | unsigned char *srcp = otr->data; | |
359 | unsigned char *endp = (unsigned char *) otr + otr->size; | |
360 | unsigned int bits = (otr->map[0] << 24) | |
361 | | (otr->map[1] << 16) | |
362 | | (otr->map[2] << 8) | |
363 | | (otr->map[3] << 0); | |
364 | ||
365 | struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); | |
366 | unsigned char *contents = esdid->contents; | |
367 | int need_contents = 0; | |
368 | unsigned int dst_idx = esdid->pc; | |
369 | ||
dc810e39 | 370 | for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) |
252b5132 RH |
371 | { |
372 | if (bits & shift) | |
373 | { | |
374 | int flag = *srcp++; | |
375 | int esdids = (flag >> 5) & 0x7; | |
376 | int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; | |
377 | int offsetlen = flag & 0x7; | |
378 | int j; | |
379 | ||
252b5132 RH |
380 | if (esdids == 0) |
381 | { | |
116c20d2 | 382 | /* A zero esdid means the new pc is the offset given. */ |
252b5132 RH |
383 | dst_idx += get_offset (offsetlen, srcp); |
384 | srcp += offsetlen; | |
385 | } | |
386 | else | |
387 | { | |
388 | int val = get_offset (offsetlen, srcp + esdids); | |
116c20d2 | 389 | |
252b5132 RH |
390 | if (pass == 1) |
391 | need_contents = 1; | |
392 | else | |
393 | for (j = 0; j < sizeinwords * 2; j++) | |
394 | { | |
395 | contents[dst_idx + (sizeinwords * 2) - j - 1] = val; | |
396 | val >>= 8; | |
397 | } | |
398 | ||
399 | for (j = 0; j < esdids; j++) | |
400 | { | |
401 | int esdid = *srcp++; | |
402 | ||
403 | if (esdid) | |
404 | { | |
405 | int rn = EDATA (abfd, otr->esdid - 1).relocs++; | |
116c20d2 | 406 | |
252b5132 RH |
407 | if (pass == 1) |
408 | { | |
116c20d2 NC |
409 | /* This is the first pass over the data, |
410 | just remember that we need a reloc. */ | |
252b5132 RH |
411 | } |
412 | else | |
413 | { | |
414 | arelent *n = | |
415 | EDATA (abfd, otr->esdid - 1).section->relocation + rn; | |
416 | n->address = dst_idx; | |
417 | ||
f60ca5e3 | 418 | n->sym_ptr_ptr = (asymbol **) (size_t) esdid; |
252b5132 RH |
419 | n->addend = 0; |
420 | n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); | |
421 | } | |
422 | } | |
423 | } | |
424 | srcp += offsetlen; | |
425 | dst_idx += sizeinwords * 2; | |
426 | } | |
427 | } | |
428 | else | |
429 | { | |
430 | need_contents = 1; | |
eea6121a | 431 | if (dst_idx < esdid->section->size) |
252b5132 RH |
432 | if (pass == 2) |
433 | { | |
116c20d2 | 434 | /* Absolute code, comes in 16 bit lumps. */ |
252b5132 RH |
435 | contents[dst_idx] = srcp[0]; |
436 | contents[dst_idx + 1] = srcp[1]; | |
437 | } | |
438 | dst_idx += 2; | |
439 | srcp += 2; | |
440 | } | |
441 | } | |
442 | EDATA (abfd, otr->esdid - 1).pc = dst_idx; | |
443 | ||
444 | if (!contents && need_contents) | |
dc810e39 | 445 | { |
eea6121a | 446 | bfd_size_type size = esdid->section->size; |
116c20d2 | 447 | esdid->contents = bfd_alloc (abfd, size); |
dc810e39 | 448 | } |
252b5132 RH |
449 | } |
450 | ||
b34976b6 | 451 | static bfd_boolean |
116c20d2 | 452 | versados_scan (bfd *abfd) |
252b5132 RH |
453 | { |
454 | int loop = 1; | |
455 | int i; | |
456 | int j; | |
457 | int nsecs = 0; | |
dc810e39 | 458 | bfd_size_type amt; |
252b5132 | 459 | |
bfde9f99 | 460 | VDATA (abfd)->stringlen = 0; |
252b5132 RH |
461 | VDATA (abfd)->nrefs = 0; |
462 | VDATA (abfd)->ndefs = 0; | |
463 | VDATA (abfd)->ref_idx = 0; | |
464 | VDATA (abfd)->def_idx = 0; | |
bfde9f99 | 465 | VDATA (abfd)->pass_2_done = 0; |
252b5132 RH |
466 | |
467 | while (loop) | |
468 | { | |
469 | union ext_any any; | |
116c20d2 | 470 | |
252b5132 | 471 | if (!get_record (abfd, &any)) |
b34976b6 | 472 | return TRUE; |
252b5132 RH |
473 | switch (any.header.type) |
474 | { | |
475 | case VHEADER: | |
476 | break; | |
477 | case VEND: | |
478 | loop = 0; | |
479 | break; | |
480 | case VESTDEF: | |
481 | process_esd (abfd, &any.esd, 1); | |
482 | break; | |
483 | case VOTR: | |
484 | process_otr (abfd, &any.otr, 1); | |
485 | break; | |
486 | } | |
487 | } | |
488 | ||
116c20d2 | 489 | /* Now allocate space for the relocs and sections. */ |
252b5132 RH |
490 | VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; |
491 | VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; | |
492 | VDATA (abfd)->ref_idx = 0; | |
493 | VDATA (abfd)->def_idx = 0; | |
494 | ||
495 | abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; | |
496 | ||
497 | for (i = 0; i < 16; i++) | |
498 | { | |
499 | struct esdid *esdid = &EDATA (abfd, i); | |
116c20d2 | 500 | |
252b5132 RH |
501 | if (esdid->section) |
502 | { | |
dc810e39 | 503 | amt = (bfd_size_type) esdid->relocs * sizeof (arelent); |
116c20d2 | 504 | esdid->section->relocation = bfd_alloc (abfd, amt); |
252b5132 RH |
505 | |
506 | esdid->pc = 0; | |
507 | ||
508 | if (esdid->contents) | |
509 | esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
510 | ||
511 | esdid->section->reloc_count = esdid->relocs; | |
512 | if (esdid->relocs) | |
513 | esdid->section->flags |= SEC_RELOC; | |
514 | ||
515 | esdid->relocs = 0; | |
516 | ||
116c20d2 | 517 | /* Add an entry into the symbol table for it. */ |
252b5132 RH |
518 | nsecs++; |
519 | VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; | |
520 | } | |
521 | } | |
522 | ||
523 | abfd->symcount += nsecs; | |
524 | ||
dc810e39 AM |
525 | amt = abfd->symcount; |
526 | amt *= sizeof (asymbol); | |
116c20d2 | 527 | VDATA (abfd)->symbols = bfd_alloc (abfd, amt); |
252b5132 | 528 | |
dc810e39 AM |
529 | amt = VDATA (abfd)->stringlen; |
530 | VDATA (abfd)->strings = bfd_alloc (abfd, amt); | |
252b5132 RH |
531 | |
532 | if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) | |
533 | || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) | |
b34976b6 | 534 | return FALSE; |
252b5132 RH |
535 | |
536 | /* Actually fill in the section symbols, | |
116c20d2 | 537 | we stick them at the end of the table. */ |
252b5132 RH |
538 | for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) |
539 | { | |
540 | struct esdid *esdid = &EDATA (abfd, i); | |
541 | asection *sec = esdid->section; | |
116c20d2 | 542 | |
252b5132 RH |
543 | if (sec) |
544 | { | |
545 | asymbol *s = VDATA (abfd)->symbols + j; | |
546 | s->name = new_symbol_string (abfd, sec->name); | |
547 | s->section = sec; | |
548 | s->flags = BSF_LOCAL; | |
549 | s->value = 0; | |
550 | s->the_bfd = abfd; | |
551 | j++; | |
552 | } | |
553 | } | |
116c20d2 | 554 | |
252b5132 RH |
555 | if (abfd->symcount) |
556 | abfd->flags |= HAS_SYMS; | |
557 | ||
558 | /* Set this to nsecs - since we've already planted the section | |
116c20d2 | 559 | symbols. */ |
252b5132 RH |
560 | VDATA (abfd)->nsecsyms = nsecs; |
561 | ||
562 | VDATA (abfd)->ref_idx = 0; | |
563 | ||
564 | return 1; | |
565 | } | |
566 | ||
252b5132 RH |
567 | /* Check whether an existing file is a versados file. */ |
568 | ||
569 | static const bfd_target * | |
116c20d2 | 570 | versados_object_p (bfd *abfd) |
252b5132 RH |
571 | { |
572 | struct ext_vheader ext; | |
573 | unsigned char len; | |
487e54f2 | 574 | tdata_type *tdata_save; |
252b5132 RH |
575 | |
576 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
577 | return NULL; | |
578 | ||
dc810e39 | 579 | if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
580 | { |
581 | if (bfd_get_error () != bfd_error_system_call) | |
582 | bfd_set_error (bfd_error_wrong_format); | |
583 | return NULL; | |
584 | } | |
585 | ||
dc810e39 | 586 | if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) |
252b5132 RH |
587 | { |
588 | if (bfd_get_error () != bfd_error_system_call) | |
589 | bfd_set_error (bfd_error_wrong_format); | |
590 | return NULL; | |
591 | } | |
592 | ||
593 | /* We guess that the language field will never be larger than 10. | |
594 | In sample files, it is always either 0 or 1. Checking for this | |
595 | prevents confusion with Intel Hex files. */ | |
596 | if (ext.type != VHEADER | |
597 | || ext.lang > 10) | |
598 | { | |
599 | bfd_set_error (bfd_error_wrong_format); | |
600 | return NULL; | |
601 | } | |
602 | ||
603 | /* OK, looks like a record, build the tdata and read in. */ | |
487e54f2 AM |
604 | tdata_save = abfd->tdata.versados_data; |
605 | if (!versados_mkobject (abfd) || !versados_scan (abfd)) | |
606 | { | |
607 | abfd->tdata.versados_data = tdata_save; | |
608 | return NULL; | |
609 | } | |
252b5132 RH |
610 | |
611 | return abfd->xvec; | |
612 | } | |
613 | ||
b34976b6 | 614 | static bfd_boolean |
116c20d2 | 615 | versados_pass_2 (bfd *abfd) |
252b5132 RH |
616 | { |
617 | union ext_any any; | |
618 | ||
619 | if (VDATA (abfd)->pass_2_done) | |
620 | return 1; | |
621 | ||
dc810e39 | 622 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
252b5132 RH |
623 | return 0; |
624 | ||
625 | VDATA (abfd)->es_done = ES_BASE; | |
626 | ||
116c20d2 | 627 | /* Read records till we get to where we want to be. */ |
252b5132 RH |
628 | while (1) |
629 | { | |
630 | get_record (abfd, &any); | |
631 | switch (any.header.type) | |
632 | { | |
633 | case VEND: | |
634 | VDATA (abfd)->pass_2_done = 1; | |
635 | return 1; | |
636 | case VESTDEF: | |
637 | process_esd (abfd, &any.esd, 2); | |
638 | break; | |
639 | case VOTR: | |
640 | process_otr (abfd, &any.otr, 2); | |
641 | break; | |
642 | } | |
643 | } | |
644 | } | |
645 | ||
b34976b6 | 646 | static bfd_boolean |
116c20d2 NC |
647 | versados_get_section_contents (bfd *abfd, |
648 | asection *section, | |
649 | void * location, | |
650 | file_ptr offset, | |
651 | bfd_size_type count) | |
252b5132 RH |
652 | { |
653 | if (!versados_pass_2 (abfd)) | |
b34976b6 | 654 | return FALSE; |
252b5132 RH |
655 | |
656 | memcpy (location, | |
657 | EDATA (abfd, section->target_index).contents + offset, | |
658 | (size_t) count); | |
659 | ||
b34976b6 | 660 | return TRUE; |
252b5132 RH |
661 | } |
662 | ||
663 | #define versados_get_section_contents_in_window \ | |
664 | _bfd_generic_get_section_contents_in_window | |
665 | ||
b34976b6 | 666 | static bfd_boolean |
116c20d2 NC |
667 | versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED, |
668 | sec_ptr section ATTRIBUTE_UNUSED, | |
669 | const void * location ATTRIBUTE_UNUSED, | |
670 | file_ptr offset ATTRIBUTE_UNUSED, | |
671 | bfd_size_type bytes_to_do ATTRIBUTE_UNUSED) | |
252b5132 | 672 | { |
b34976b6 | 673 | return FALSE; |
252b5132 RH |
674 | } |
675 | ||
252b5132 | 676 | static int |
116c20d2 | 677 | versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
a6b96beb | 678 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
679 | { |
680 | return 0; | |
681 | } | |
682 | ||
252b5132 RH |
683 | /* Return the amount of memory needed to read the symbol table. */ |
684 | ||
685 | static long | |
116c20d2 | 686 | versados_get_symtab_upper_bound (bfd *abfd) |
252b5132 RH |
687 | { |
688 | return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); | |
689 | } | |
690 | ||
691 | /* Return the symbol table. */ | |
692 | ||
693 | static long | |
116c20d2 | 694 | versados_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
695 | { |
696 | unsigned int symcount = bfd_get_symcount (abfd); | |
697 | unsigned int i; | |
698 | asymbol *s; | |
699 | ||
700 | versados_pass_2 (abfd); | |
701 | ||
702 | for (i = 0, s = VDATA (abfd)->symbols; | |
703 | i < symcount; | |
704 | s++, i++) | |
116c20d2 | 705 | *alocation++ = s; |
252b5132 RH |
706 | |
707 | *alocation = NULL; | |
708 | ||
709 | return symcount; | |
710 | } | |
711 | ||
dc810e39 | 712 | static void |
116c20d2 NC |
713 | versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
714 | asymbol *symbol, | |
715 | symbol_info *ret) | |
252b5132 RH |
716 | { |
717 | bfd_symbol_info (symbol, ret); | |
718 | } | |
719 | ||
dc810e39 | 720 | static void |
116c20d2 NC |
721 | versados_print_symbol (bfd *abfd, |
722 | void * afile, | |
723 | asymbol *symbol, | |
724 | bfd_print_symbol_type how) | |
252b5132 RH |
725 | { |
726 | FILE *file = (FILE *) afile; | |
116c20d2 | 727 | |
252b5132 RH |
728 | switch (how) |
729 | { | |
730 | case bfd_print_symbol_name: | |
731 | fprintf (file, "%s", symbol->name); | |
732 | break; | |
733 | default: | |
116c20d2 | 734 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
252b5132 RH |
735 | fprintf (file, " %-5s %s", |
736 | symbol->section->name, | |
737 | symbol->name); | |
252b5132 RH |
738 | } |
739 | } | |
740 | ||
dc810e39 | 741 | static long |
116c20d2 NC |
742 | versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, |
743 | sec_ptr asect) | |
252b5132 RH |
744 | { |
745 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
746 | } | |
747 | ||
dc810e39 | 748 | static long |
116c20d2 NC |
749 | versados_canonicalize_reloc (bfd *abfd, |
750 | sec_ptr section, | |
751 | arelent **relptr, | |
752 | asymbol **symbols) | |
252b5132 RH |
753 | { |
754 | unsigned int count; | |
755 | arelent *src; | |
756 | ||
757 | versados_pass_2 (abfd); | |
758 | src = section->relocation; | |
759 | if (!EDATA (abfd, section->target_index).donerel) | |
760 | { | |
761 | EDATA (abfd, section->target_index).donerel = 1; | |
116c20d2 | 762 | /* Translate from indexes to symptr ptrs. */ |
252b5132 RH |
763 | for (count = 0; count < section->reloc_count; count++) |
764 | { | |
f60ca5e3 | 765 | int esdid = (int) (size_t) src[count].sym_ptr_ptr; |
252b5132 RH |
766 | |
767 | if (esdid == 0) | |
116c20d2 NC |
768 | src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; |
769 | else if (esdid < ES_BASE) | |
252b5132 | 770 | { |
116c20d2 | 771 | /* Section relative thing. */ |
252b5132 | 772 | struct esdid *e = &EDATA (abfd, esdid - 1); |
116c20d2 | 773 | |
252b5132 RH |
774 | src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; |
775 | } | |
776 | else | |
116c20d2 | 777 | src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; |
252b5132 RH |
778 | } |
779 | } | |
780 | ||
781 | for (count = 0; count < section->reloc_count; count++) | |
116c20d2 NC |
782 | *relptr++ = src++; |
783 | ||
252b5132 RH |
784 | *relptr = 0; |
785 | return section->reloc_count; | |
786 | } | |
787 | ||
116c20d2 NC |
788 | #define versados_close_and_cleanup _bfd_generic_close_and_cleanup |
789 | #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
790 | #define versados_new_section_hook _bfd_generic_new_section_hook | |
791 | #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
792 | #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name | |
793 | #define versados_get_lineno _bfd_nosymbols_get_lineno | |
794 | #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 795 | #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info |
116c20d2 NC |
796 | #define versados_make_empty_symbol _bfd_generic_make_empty_symbol |
797 | #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
798 | #define versados_read_minisymbols _bfd_generic_read_minisymbols | |
799 | #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
800 | #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
157090f7 | 801 | #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
116c20d2 NC |
802 | #define versados_set_arch_mach bfd_default_set_arch_mach |
803 | #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
804 | #define versados_bfd_relax_section bfd_generic_relax_section | |
805 | #define versados_bfd_gc_sections bfd_generic_gc_sections | |
806 | #define versados_bfd_merge_sections bfd_generic_merge_sections | |
807 | #define versados_bfd_is_group_section bfd_generic_is_group_section | |
808 | #define versados_bfd_discard_group bfd_generic_discard_group | |
809 | #define versados_section_already_linked _bfd_generic_section_already_linked | |
810 | #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
811 | #define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
812 | #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
813 | #define versados_bfd_link_just_syms _bfd_generic_link_just_syms | |
814 | #define versados_bfd_final_link _bfd_generic_final_link | |
815 | #define versados_bfd_link_split_section _bfd_generic_link_split_section | |
252b5132 RH |
816 | |
817 | const bfd_target versados_vec = | |
818 | { | |
116c20d2 | 819 | "versados", /* Name. */ |
252b5132 | 820 | bfd_target_versados_flavour, |
116c20d2 NC |
821 | BFD_ENDIAN_BIG, /* Target byte order. */ |
822 | BFD_ENDIAN_BIG, /* Target headers byte order. */ | |
823 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
252b5132 RH |
824 | HAS_LINENO | HAS_DEBUG | |
825 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
826 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
116c20d2 NC |
827 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
828 | 0, /* Leading underscore. */ | |
829 | ' ', /* AR_pad_char. */ | |
830 | 16, /* AR_max_namelen. */ | |
252b5132 RH |
831 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
832 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 833 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
252b5132 RH |
834 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
835 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
116c20d2 | 836 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
252b5132 RH |
837 | |
838 | { | |
839 | _bfd_dummy_target, | |
116c20d2 | 840 | versados_object_p, /* bfd_check_format. */ |
252b5132 RH |
841 | _bfd_dummy_target, |
842 | _bfd_dummy_target, | |
843 | }, | |
844 | { | |
845 | bfd_false, | |
846 | versados_mkobject, | |
847 | _bfd_generic_mkarchive, | |
848 | bfd_false, | |
849 | }, | |
116c20d2 | 850 | { /* bfd_write_contents. */ |
252b5132 RH |
851 | bfd_false, |
852 | bfd_false, | |
853 | _bfd_write_archive_contents, | |
854 | bfd_false, | |
855 | }, | |
856 | ||
857 | BFD_JUMP_TABLE_GENERIC (versados), | |
858 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
859 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
860 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), | |
861 | BFD_JUMP_TABLE_SYMBOLS (versados), | |
862 | BFD_JUMP_TABLE_RELOCS (versados), | |
863 | BFD_JUMP_TABLE_WRITE (versados), | |
864 | BFD_JUMP_TABLE_LINK (versados), | |
865 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
866 | ||
c3c89269 | 867 | NULL, |
558e161f | 868 | |
116c20d2 | 869 | NULL |
252b5132 | 870 | }; |