1 /* BFD back-end for VERSAdos-E objects.
2 Copyright (C) 1995-2016 Free Software Foundation, Inc.
3 Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
4
5 Versados is a Motorola trademark.
6
7 This file is part of BFD, the Binary File Descriptor library.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24 /*
25 SUBSECTION
26 VERSAdos-E relocatable object file format
27
28 DESCRIPTION
29
30 This module supports reading of VERSAdos relocatable
31 object files.
32
33 A VERSAdos file looks like contains
34
35 o Identification Record
36 o External Symbol Definition Record
37 o Object Text Record
38 o End Record. */
39
40 #include "sysdep.h"
41 #include "bfd.h"
42 #include "libbfd.h"
43 #include "libiberty.h"
44
45
46 #define VHEADER '1'
47 #define VESTDEF '2'
48 #define VOTR '3'
49 #define VEND '4'
50
51 #define ES_BASE 17 /* First symbol has esdid 17. */
52
53 /* Per file target dependent information. */
54
55 /* One for each section. */
56 struct esdid
57 {
58 asection *section; /* Ptr to bfd version. */
59 unsigned char *contents; /* Used to build image. */
60 bfd_size_type content_size; /* The size of the contents buffer. */
61 int pc;
62 int relocs; /* Reloc count, valid end of pass 1. */
63 int donerel; /* Have relocs been translated. */
64 };
65
66 typedef struct versados_data_struct
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. */
73
74 int ndefs; /* Number of exported symbols (they dont get esdids). */
75 int nrefs; /* Number of imported symbols (valid end of pass1). */
76
77 int ref_idx; /* Current processed value of the above. */
78 int def_idx;
79
80 int pass_2_done;
81
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 }
86 tdata_type;
87
88 #define VDATA(abfd) (abfd->tdata.versados_data)
89 #define EDATA(abfd, n) (abfd->tdata.versados_data->e[(n) < 16 ? (n) : 0])
90 #define RDATA(abfd, n) (abfd->tdata.versados_data->rest[(n) < 240 ? (n) : 0])
91
92 struct ext_otr
93 {
94 unsigned char size;
95 char type;
96 unsigned char map[4];
97 unsigned char esdid;
98 unsigned char data[200];
99 };
100
101 struct ext_vheader
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 };
117
118 struct ext_esd
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
134 union ext_any
135 {
136 unsigned char size;
137 struct ext_vheader header;
138 struct ext_esd esd;
139 struct ext_otr otr;
140 };
141
142 /* Initialize by filling in the hex conversion array. */
143
144 /* Set up the tdata information. */
145
146 static bfd_boolean
versados_mkobject(bfd * abfd)147 versados_mkobject (bfd *abfd)
148 {
149 if (abfd->tdata.versados_data == NULL)
150 {
151 bfd_size_type amt = sizeof (tdata_type);
152 tdata_type *tdata = bfd_alloc (abfd, amt);
153
154 if (tdata == NULL)
155 return FALSE;
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);
162 return TRUE;
163 }
164
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
169 static asymbol *
versados_new_symbol(bfd * abfd,int snum,const char * name,bfd_vma val,asection * sec)170 versados_new_symbol (bfd *abfd,
171 int snum,
172 const char *name,
173 bfd_vma val,
174 asection *sec)
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
185 static bfd_boolean
get_record(bfd * abfd,union ext_any * ptr)186 get_record (bfd *abfd, union ext_any *ptr)
187 {
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))
191 return FALSE;
192
193 {
194 bfd_size_type amt = ptr->size + 1;
195
196 if (amt < sizeof (* ptr))
197 memset ((char *) ptr + amt, 0, sizeof (* ptr) - amt);
198 }
199
200 return TRUE;
201 }
202
203 static int
get_4(unsigned char ** pp)204 get_4 (unsigned char **pp)
205 {
206 unsigned char *p = *pp;
207
208 *pp += 4;
209 return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
210 }
211
212 static void
get_10(unsigned char ** pp,char * name)213 get_10 (unsigned char **pp, char *name)
214 {
215 char *p = (char *) *pp;
216 int len = 10;
217
218 *pp += len;
219 while (*p != ' ' && len)
220 {
221 *name++ = *p++;
222 len--;
223 }
224 *name = 0;
225 }
226
227 static char *
new_symbol_string(bfd * abfd,const char * name)228 new_symbol_string (bfd *abfd, const char *name)
229 {
230 char *n = VDATA (abfd)->strings;
231
232 strcpy (VDATA (abfd)->strings, name);
233 VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
234 return n;
235 }
236
237 static void
process_esd(bfd * abfd,struct ext_esd * esd,int pass)238 process_esd (bfd *abfd, struct ext_esd *esd, int pass)
239 {
240 /* Read through the ext def for the est entries. */
241 int togo = esd->size - 2;
242 bfd_vma size;
243 bfd_vma start;
244 asection *sec;
245 char name[11];
246 unsigned char *ptr = esd->esd_entries;
247 unsigned char *end = ptr + togo;
248
249 while (ptr < end)
250 {
251 int scn = *ptr & 0xf;
252 int typ = (*ptr >> 4) & 0xf;
253
254 /* Declare this section. */
255 sprintf (name, "%d", scn);
256 sec = bfd_make_section_old_way (abfd, strdup (name));
257 sec->target_index = scn;
258 EDATA (abfd, scn).section = sec;
259 ptr++;
260
261 switch (typ)
262 {
263 default:
264 abort ();
265 case ESD_XREF_SEC:
266 case ESD_XREF_SYM:
267 {
268 int snum = VDATA (abfd)->ref_idx++;
269 get_10 (&ptr, name);
270 if (pass == 1)
271 VDATA (abfd)->stringlen += strlen (name) + 1;
272 else
273 {
274 int esidx;
275 asymbol *s;
276 char *n = new_symbol_string (abfd, name);
277
278 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
279 bfd_und_section_ptr);
280 esidx = VDATA (abfd)->es_done++;
281 RDATA (abfd, esidx - ES_BASE) = s;
282 }
283 }
284 break;
285
286 case ESD_ABS:
287 size = get_4 (&ptr);
288 (void) size;
289 start = get_4 (&ptr);
290 (void) start;
291 break;
292 case ESD_STD_REL_SEC:
293 case ESD_SHRT_REL_SEC:
294 sec->size = get_4 (&ptr);
295 sec->flags |= SEC_ALLOC;
296 break;
297 case ESD_XDEF_IN_ABS:
298 sec = bfd_abs_section_ptr;
299 case ESD_XDEF_IN_SEC:
300 {
301 int snum = VDATA (abfd)->def_idx++;
302 bfd_vma val;
303
304 get_10 (&ptr, name);
305 val = get_4 (&ptr);
306 if (pass == 1)
307 /* Just remember the symbol. */
308 VDATA (abfd)->stringlen += strlen (name) + 1;
309 else
310 {
311 asymbol *s;
312 char *n = new_symbol_string (abfd, name);
313
314 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
315 val, sec);
316 s->flags |= BSF_GLOBAL;
317 }
318 }
319 break;
320 }
321 }
322 }
323
324 #define R_RELWORD 1
325 #define R_RELLONG 2
326 #define R_RELWORD_NEG 3
327 #define R_RELLONG_NEG 4
328
329 reloc_howto_type versados_howto_table[] =
330 {
331 HOWTO (R_RELWORD, 0, 1, 16, FALSE,
332 0, complain_overflow_dont, 0,
333 "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
334 HOWTO (R_RELLONG, 0, 2, 32, FALSE,
335 0, complain_overflow_dont, 0,
336 "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
337
338 HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE,
339 0, complain_overflow_dont, 0,
340 "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
341 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE,
342 0, complain_overflow_dont, 0,
343 "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
344 };
345
346 static int
get_offset(int len,unsigned char * ptr)347 get_offset (int len, unsigned char *ptr)
348 {
349 int val = 0;
350
351 if (len)
352 {
353 int i;
354
355 val = *ptr++;
356 if (val & 0x80)
357 val |= ~0xff;
358 for (i = 1; i < len; i++)
359 val = (val << 8) | *ptr++;
360 }
361
362 return val;
363 }
364
365 static void
process_otr(bfd * abfd,struct ext_otr * otr,int pass)366 process_otr (bfd *abfd, struct ext_otr *otr, int pass)
367 {
368 unsigned long shift;
369 unsigned char *srcp = otr->data;
370 unsigned char *endp = (unsigned char *) otr + otr->size;
371 unsigned int bits = (otr->map[0] << 24)
372 | (otr->map[1] << 16)
373 | (otr->map[2] << 8)
374 | (otr->map[3] << 0);
375
376 struct esdid *esdid;
377 unsigned char *contents;
378 bfd_boolean need_contents = FALSE;
379 unsigned int dst_idx;
380
381 /* PR 17512: file: ac7da425. */
382 if (otr->esdid == 0)
383 return;
384
385 esdid = &EDATA (abfd, otr->esdid - 1);
386 contents = esdid->contents;
387 dst_idx = esdid->pc;
388
389 for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
390 {
391 if (bits & shift)
392 {
393 int flag = *srcp++;
394 int esdids = (flag >> 5) & 0x7;
395 int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
396 int offsetlen = flag & 0x7;
397 int j;
398
399 if (esdids == 0)
400 {
401 /* A zero esdid means the new pc is the offset given. */
402 dst_idx += get_offset (offsetlen, srcp);
403 srcp += offsetlen;
404 }
405 else
406 {
407 int val = get_offset (offsetlen, srcp + esdids);
408
409 if (pass == 1)
410 need_contents = TRUE;
411 else if (contents && dst_idx < esdid->content_size - sizeinwords * 2)
412 for (j = 0; j < sizeinwords * 2; j++)
413 {
414 contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
415 val >>= 8;
416 }
417
418 for (j = 0; j < esdids; j++)
419 {
420 int id = *srcp++;
421
422 if (id)
423 {
424 int rn = EDATA (abfd, otr->esdid - 1).relocs++;
425
426 if (pass == 1)
427 {
428 /* This is the first pass over the data,
429 just remember that we need a reloc. */
430 }
431 else
432 {
433 arelent *n;
434
435 /* PR 17512: file: 54f733e0. */
436 if (EDATA (abfd, otr->esdid - 1).section == NULL)
437 continue;
438 n = EDATA (abfd, otr->esdid - 1).section->relocation + rn;
439 n->address = dst_idx;
440 n->sym_ptr_ptr = (asymbol **) (size_t) id;
441 n->addend = 0;
442 n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
443 }
444 }
445 }
446 srcp += offsetlen;
447 dst_idx += sizeinwords * 2;
448 }
449 }
450 else
451 {
452 need_contents = TRUE;
453
454 if (esdid->section && contents && dst_idx < esdid->content_size - 1)
455 if (pass == 2)
456 {
457 /* Absolute code, comes in 16 bit lumps. */
458 contents[dst_idx] = srcp[0];
459 contents[dst_idx + 1] = srcp[1];
460 }
461
462 dst_idx += 2;
463 srcp += 2;
464 }
465 }
466
467 EDATA (abfd, otr->esdid - 1).pc = dst_idx;
468
469 if (!contents && need_contents)
470 {
471 if (esdid->section)
472 {
473 bfd_size_type size;
474
475 size = esdid->section->size;
476 esdid->contents = bfd_alloc (abfd, size);
477 esdid->content_size = size;
478 }
479 else
480 esdid->contents = NULL;
481 }
482 }
483
484 static bfd_boolean
versados_scan(bfd * abfd)485 versados_scan (bfd *abfd)
486 {
487 bfd_boolean loop = TRUE;
488 int i;
489 int j;
490 int nsecs = 0;
491 bfd_size_type amt;
492
493 VDATA (abfd)->stringlen = 0;
494 VDATA (abfd)->nrefs = 0;
495 VDATA (abfd)->ndefs = 0;
496 VDATA (abfd)->ref_idx = 0;
497 VDATA (abfd)->def_idx = 0;
498 VDATA (abfd)->pass_2_done = 0;
499
500 while (loop)
501 {
502 union ext_any any;
503
504 if (!get_record (abfd, &any))
505 return FALSE;
506 switch (any.header.type)
507 {
508 case VHEADER:
509 break;
510 case VEND:
511 loop = FALSE;
512 break;
513 case VESTDEF:
514 process_esd (abfd, &any.esd, 1);
515 break;
516 case VOTR:
517 process_otr (abfd, &any.otr, 1);
518 break;
519 }
520 }
521
522 /* Now allocate space for the relocs and sections. */
523 VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
524 VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
525 VDATA (abfd)->ref_idx = 0;
526 VDATA (abfd)->def_idx = 0;
527
528 abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
529
530 for (i = 0; i < 16; i++)
531 {
532 struct esdid *esdid = &EDATA (abfd, i);
533
534 if (esdid->section)
535 {
536 amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
537 esdid->section->relocation = bfd_alloc (abfd, amt);
538 esdid->pc = 0;
539
540 if (esdid->contents)
541 esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
542
543 esdid->section->reloc_count = esdid->relocs;
544 if (esdid->relocs)
545 esdid->section->flags |= SEC_RELOC;
546
547 esdid->relocs = 0;
548
549 /* Add an entry into the symbol table for it. */
550 nsecs++;
551 VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
552 }
553 }
554
555 abfd->symcount += nsecs;
556
557 amt = abfd->symcount;
558 amt *= sizeof (asymbol);
559 VDATA (abfd)->symbols = bfd_alloc (abfd, amt);
560
561 amt = VDATA (abfd)->stringlen;
562 VDATA (abfd)->strings = bfd_alloc (abfd, amt);
563
564 if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
565 || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
566 return FALSE;
567
568 /* Actually fill in the section symbols,
569 we stick them at the end of the table. */
570 for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
571 {
572 struct esdid *esdid = &EDATA (abfd, i);
573 asection *sec = esdid->section;
574
575 if (sec)
576 {
577 asymbol *s = VDATA (abfd)->symbols + j;
578 s->name = new_symbol_string (abfd, sec->name);
579 s->section = sec;
580 s->flags = BSF_LOCAL;
581 s->value = 0;
582 s->the_bfd = abfd;
583 j++;
584 }
585 }
586
587 if (abfd->symcount)
588 abfd->flags |= HAS_SYMS;
589
590 /* Set this to nsecs - since we've already planted the section
591 symbols. */
592 VDATA (abfd)->nsecsyms = nsecs;
593
594 VDATA (abfd)->ref_idx = 0;
595
596 return TRUE;
597 }
598
599 /* Check whether an existing file is a versados file. */
600
601 static const bfd_target *
versados_object_p(bfd * abfd)602 versados_object_p (bfd *abfd)
603 {
604 struct ext_vheader ext;
605 unsigned char len;
606 tdata_type *tdata_save;
607
608 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
609 return NULL;
610
611 if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
612 {
613 if (bfd_get_error () != bfd_error_system_call)
614 bfd_set_error (bfd_error_wrong_format);
615 return NULL;
616 }
617
618 /* PR 17512: file: 726-2128-0.004. */
619 if (len < 13)
620 {
621 bfd_set_error (bfd_error_wrong_format);
622 return NULL;
623 }
624
625 if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
626 {
627 if (bfd_get_error () != bfd_error_system_call)
628 bfd_set_error (bfd_error_wrong_format);
629 return NULL;
630 }
631
632 /* We guess that the language field will never be larger than 10.
633 In sample files, it is always either 0 or 1. Checking for this
634 prevents confusion with Intel Hex files. */
635 if (ext.type != VHEADER
636 || ext.lang > 10)
637 {
638 bfd_set_error (bfd_error_wrong_format);
639 return NULL;
640 }
641
642 /* OK, looks like a record, build the tdata and read in. */
643 tdata_save = abfd->tdata.versados_data;
644 if (!versados_mkobject (abfd) || !versados_scan (abfd))
645 {
646 abfd->tdata.versados_data = tdata_save;
647 return NULL;
648 }
649
650 return abfd->xvec;
651 }
652
653 static bfd_boolean
versados_pass_2(bfd * abfd)654 versados_pass_2 (bfd *abfd)
655 {
656 union ext_any any;
657
658 if (VDATA (abfd)->pass_2_done)
659 return 1;
660
661 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
662 return 0;
663
664 VDATA (abfd)->es_done = ES_BASE;
665
666 /* Read records till we get to where we want to be. */
667 while (1)
668 {
669 get_record (abfd, &any);
670 switch (any.header.type)
671 {
672 case VEND:
673 VDATA (abfd)->pass_2_done = 1;
674 return 1;
675 case VESTDEF:
676 process_esd (abfd, &any.esd, 2);
677 break;
678 case VOTR:
679 process_otr (abfd, &any.otr, 2);
680 break;
681 }
682 }
683 }
684
685 static bfd_boolean
versados_get_section_contents(bfd * abfd,asection * section,void * location,file_ptr offset,bfd_size_type count)686 versados_get_section_contents (bfd *abfd,
687 asection *section,
688 void * location,
689 file_ptr offset,
690 bfd_size_type count)
691 {
692 struct esdid *esdid;
693
694 if (!versados_pass_2 (abfd))
695 return FALSE;
696
697 esdid = &EDATA (abfd, section->target_index);
698
699 if (esdid->contents == NULL
700 || offset < 0
701 || (bfd_size_type) offset > esdid->content_size
702 || offset + count > esdid->content_size)
703 return FALSE;
704
705 memcpy (location, esdid->contents + offset, (size_t) count);
706
707 return TRUE;
708 }
709
710 #define versados_get_section_contents_in_window \
711 _bfd_generic_get_section_contents_in_window
712
713 static bfd_boolean
versados_set_section_contents(bfd * abfd ATTRIBUTE_UNUSED,sec_ptr section ATTRIBUTE_UNUSED,const void * location ATTRIBUTE_UNUSED,file_ptr offset ATTRIBUTE_UNUSED,bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)714 versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED,
715 sec_ptr section ATTRIBUTE_UNUSED,
716 const void * location ATTRIBUTE_UNUSED,
717 file_ptr offset ATTRIBUTE_UNUSED,
718 bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)
719 {
720 return FALSE;
721 }
722
723 static int
versados_sizeof_headers(bfd * abfd ATTRIBUTE_UNUSED,struct bfd_link_info * info ATTRIBUTE_UNUSED)724 versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
725 struct bfd_link_info *info ATTRIBUTE_UNUSED)
726 {
727 return 0;
728 }
729
730 /* Return the amount of memory needed to read the symbol table. */
731
732 static long
versados_get_symtab_upper_bound(bfd * abfd)733 versados_get_symtab_upper_bound (bfd *abfd)
734 {
735 return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
736 }
737
738 /* Return the symbol table. */
739
740 static long
versados_canonicalize_symtab(bfd * abfd,asymbol ** alocation)741 versados_canonicalize_symtab (bfd *abfd, asymbol **alocation)
742 {
743 unsigned int symcount = bfd_get_symcount (abfd);
744 unsigned int i;
745 asymbol *s;
746
747 versados_pass_2 (abfd);
748
749 for (i = 0, s = VDATA (abfd)->symbols;
750 i < symcount;
751 s++, i++)
752 *alocation++ = s;
753
754 *alocation = NULL;
755
756 return symcount;
757 }
758
759 static void
versados_get_symbol_info(bfd * abfd ATTRIBUTE_UNUSED,asymbol * symbol,symbol_info * ret)760 versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
761 asymbol *symbol,
762 symbol_info *ret)
763 {
764 bfd_symbol_info (symbol, ret);
765 }
766
767 static void
versados_print_symbol(bfd * abfd,void * afile,asymbol * symbol,bfd_print_symbol_type how)768 versados_print_symbol (bfd *abfd,
769 void * afile,
770 asymbol *symbol,
771 bfd_print_symbol_type how)
772 {
773 FILE *file = (FILE *) afile;
774
775 switch (how)
776 {
777 case bfd_print_symbol_name:
778 fprintf (file, "%s", symbol->name);
779 break;
780 default:
781 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
782 fprintf (file, " %-5s %s",
783 symbol->section->name,
784 symbol->name);
785 }
786 }
787
788 static long
versados_get_reloc_upper_bound(bfd * abfd ATTRIBUTE_UNUSED,sec_ptr asect)789 versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
790 sec_ptr asect)
791 {
792 return (asect->reloc_count + 1) * sizeof (arelent *);
793 }
794
795 static long
versados_canonicalize_reloc(bfd * abfd,sec_ptr section,arelent ** relptr,asymbol ** symbols)796 versados_canonicalize_reloc (bfd *abfd,
797 sec_ptr section,
798 arelent **relptr,
799 asymbol **symbols)
800 {
801 unsigned int count;
802 arelent *src;
803
804 versados_pass_2 (abfd);
805 src = section->relocation;
806
807 if (!EDATA (abfd, section->target_index).donerel)
808 {
809 EDATA (abfd, section->target_index).donerel = 1;
810 /* Translate from indexes to symptr ptrs. */
811 for (count = 0; count < section->reloc_count; count++)
812 {
813 int esdid = (int) (size_t) src[count].sym_ptr_ptr;
814
815 if (esdid == 0)
816 src[count].sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
817 else if (esdid < ES_BASE)
818 {
819 /* Section relative thing. */
820 struct esdid *e = &EDATA (abfd, esdid - 1);
821
822 /* PR 17512: file:cd92277c. */
823 if (e->section)
824 src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
825 else
826 src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr;
827 }
828 /* PR 17512: file:3757-2936-0.004. */
829 else if ((unsigned) (esdid - ES_BASE) >= bfd_get_symcount (abfd))
830 src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr;
831 else
832 src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
833 }
834 }
835
836 for (count = 0; count < section->reloc_count; count++)
837 *relptr++ = src++;
838
839 *relptr = 0;
840 return section->reloc_count;
841 }
842
843 #define versados_close_and_cleanup _bfd_generic_close_and_cleanup
844 #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
845 #define versados_new_section_hook _bfd_generic_new_section_hook
846 #define versados_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
847 #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
848 #define versados_get_lineno _bfd_nosymbols_get_lineno
849 #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
850 #define versados_find_line _bfd_nosymbols_find_line
851 #define versados_find_inliner_info _bfd_nosymbols_find_inliner_info
852 #define versados_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string
853 #define versados_make_empty_symbol _bfd_generic_make_empty_symbol
854 #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
855 #define versados_read_minisymbols _bfd_generic_read_minisymbols
856 #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
857 #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
858 #define versados_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
859 #define versados_set_arch_mach bfd_default_set_arch_mach
860 #define versados_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
861 #define versados_bfd_relax_section bfd_generic_relax_section
862 #define versados_bfd_gc_sections bfd_generic_gc_sections
863 #define versados_bfd_lookup_section_flags bfd_generic_lookup_section_flags
864 #define versados_bfd_merge_sections bfd_generic_merge_sections
865 #define versados_bfd_is_group_section bfd_generic_is_group_section
866 #define versados_bfd_discard_group bfd_generic_discard_group
867 #define versados_section_already_linked _bfd_generic_section_already_linked
868 #define versados_bfd_define_common_symbol bfd_generic_define_common_symbol
869 #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
870 #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
871 #define versados_bfd_link_just_syms _bfd_generic_link_just_syms
872 #define versados_bfd_copy_link_hash_symbol_type \
873 _bfd_generic_copy_link_hash_symbol_type
874 #define versados_bfd_final_link _bfd_generic_final_link
875 #define versados_bfd_link_split_section _bfd_generic_link_split_section
876 #define versados_bfd_link_check_relocs _bfd_generic_link_check_relocs
877
878 const bfd_target m68k_versados_vec =
879 {
880 "versados", /* Name. */
881 bfd_target_versados_flavour,
882 BFD_ENDIAN_BIG, /* Target byte order. */
883 BFD_ENDIAN_BIG, /* Target headers byte order. */
884 (HAS_RELOC | EXEC_P | /* Object flags. */
885 HAS_LINENO | HAS_DEBUG |
886 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
887 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
888 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
889 0, /* Leading underscore. */
890 ' ', /* AR_pad_char. */
891 16, /* AR_max_namelen. */
892 0, /* match priority. */
893 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
894 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
895 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
896 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
897 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
898 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
899
900 {
901 _bfd_dummy_target,
902 versados_object_p, /* bfd_check_format. */
903 _bfd_dummy_target,
904 _bfd_dummy_target,
905 },
906 {
907 bfd_false,
908 versados_mkobject,
909 _bfd_generic_mkarchive,
910 bfd_false,
911 },
912 { /* bfd_write_contents. */
913 bfd_false,
914 bfd_false,
915 _bfd_write_archive_contents,
916 bfd_false,
917 },
918
919 BFD_JUMP_TABLE_GENERIC (versados),
920 BFD_JUMP_TABLE_COPY (_bfd_generic),
921 BFD_JUMP_TABLE_CORE (_bfd_nocore),
922 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
923 BFD_JUMP_TABLE_SYMBOLS (versados),
924 BFD_JUMP_TABLE_RELOCS (versados),
925 BFD_JUMP_TABLE_WRITE (versados),
926 BFD_JUMP_TABLE_LINK (versados),
927 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
928
929 NULL,
930
931 NULL
932 };
933