source: trunk/binutils/bfd/versados.c@ 2555

Last change on this file since 2555 was 610, checked in by bird, 22 years ago

This commit was generated by cvs2svn to compensate for changes in r609,
which included commits to RCS files with non-trunk default branches.
  • Property cvs2svn:cvs-rev set to 1.1.1.2
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 22.5 KB
Line 
1/* BFD back-end for VERSAdos-E objects.
2 Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
3 Free Software Foundation, Inc.
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
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
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23
24/*
25 SUBSECTION
26 VERSAdos-E relocateable object file format
27
28 DESCRIPTION
29
30 This module supports reading of VERSAdos relocateable
31 object files.
32
33 A VERSAdos file looks like contains
34
35 o Indentification Record
36 o External Symbol Definition Record
37 o Object Text Recrod
38 o End Record
39
40 */
41
42#include "bfd.h"
43#include "sysdep.h"
44#include "libbfd.h"
45#include "libiberty.h"
46
47static bfd_boolean versados_mkobject PARAMS ((bfd *));
48static bfd_boolean versados_scan PARAMS ((bfd *));
49static const bfd_target *versados_object_p PARAMS ((bfd *));
50static asymbol *versados_new_symbol
51 PARAMS ((bfd *, int, const char *, bfd_vma, asection *));
52static char *new_symbol_string PARAMS ((bfd *, const char *));
53static const bfd_target *versados_object_p PARAMS ((bfd *));
54static bfd_boolean versados_pass_2 PARAMS ((bfd *));
55static bfd_boolean versados_get_section_contents
56 PARAMS ((bfd *, asection *, void *, file_ptr, bfd_size_type));
57static bfd_boolean versados_set_section_contents
58 PARAMS ((bfd *, sec_ptr, void *, file_ptr, bfd_size_type));
59static int versados_sizeof_headers PARAMS ((bfd *, bfd_boolean));
60static long int versados_get_symtab_upper_bound PARAMS ((bfd *));
61static long int versados_get_symtab PARAMS ((bfd *, asymbol **));
62static void versados_get_symbol_info
63 PARAMS ((bfd *, asymbol *, symbol_info *));
64static void versados_print_symbol
65 PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
66static long versados_get_reloc_upper_bound
67 PARAMS ((bfd *, sec_ptr));
68static long versados_canonicalize_reloc
69 PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
70
71#define VHEADER '1'
72#define VESTDEF '2'
73#define VOTR '3'
74#define VEND '4'
75
76#define ES_BASE 17 /* first symbol has esdid 17 */
77
78/* Per file target dependent information */
79
80/* one for each section */
81struct esdid
82 {
83 asection *section; /* ptr to bfd version */
84 unsigned char *contents; /* used to build image */
85 int pc;
86 int relocs; /* reloc count, valid end of pass 1 */
87 int donerel; /* have relocs been translated */
88 };
89
90typedef struct versados_data_struct
91 {
92 int es_done; /* count of symbol index, starts at ES_BASE */
93 asymbol *symbols; /* pointer to local symbols */
94 char *strings; /* strings of all the above */
95 int stringlen; /* len of string table (valid end of pass1) */
96 int nsecsyms; /* number of sections */
97
98 int ndefs; /* number of exported symbols (they dont get esdids) */
99 int nrefs; /* number of imported symbols (valid end of pass1) */
100
101 int ref_idx; /* current processed value of the above */
102 int def_idx;
103
104 int pass_2_done;
105
106 struct esdid e[16]; /* per section info */
107 int alert; /* to see if we're trampling */
108 asymbol *rest[256 - 16]; /* per symbol info */
109
110 }
111tdata_type;
112
113#define VDATA(abfd) (abfd->tdata.versados_data)
114#define EDATA(abfd, n) (abfd->tdata.versados_data->e[n])
115#define RDATA(abfd, n) (abfd->tdata.versados_data->rest[n])
116
117struct ext_otr
118 {
119 unsigned char size;
120 char type;
121 unsigned char map[4];
122 unsigned char esdid;
123 unsigned char data[200];
124 };
125
126struct ext_vheader
127 {
128 unsigned char size;
129 char type; /* record type */
130 char name[10]; /* module name */
131 char rev; /* module rev number */
132 char lang;
133 char vol[4];
134 char user[2];
135 char cat[8];
136 char fname[8];
137 char ext[2];
138 char time[3];
139 char date[3];
140 char rest[211];
141 };
142
143struct ext_esd
144 {
145 unsigned char size;
146 char type;
147 unsigned char esd_entries[1];
148 };
149#define ESD_ABS 0
150#define ESD_COMMON 1
151#define ESD_STD_REL_SEC 2
152#define ESD_SHRT_REL_SEC 3
153#define ESD_XDEF_IN_SEC 4
154#define ESD_XREF_SYM 7
155#define ESD_XREF_SEC 6
156#define ESD_XDEF_IN_ABS 5
157union ext_any
158 {
159 unsigned char size;
160 struct ext_vheader header;
161 struct ext_esd esd;
162 struct ext_otr otr;
163 };
164
165static int get_record PARAMS ((bfd *, union ext_any *));
166static int get_4 PARAMS ((unsigned char **));
167static void get_10 PARAMS ((unsigned char **, char *));
168static void process_esd PARAMS ((bfd *, struct ext_esd *, int));
169static int get_offset PARAMS ((int, unsigned char *));
170static void process_otr PARAMS ((bfd *, struct ext_otr *, int));
171
172/* Initialize by filling in the hex conversion array. */
173
174/* Set up the tdata information. */
175
176static bfd_boolean
177versados_mkobject (abfd)
178 bfd *abfd;
179{
180 if (abfd->tdata.versados_data == NULL)
181 {
182 bfd_size_type amt = sizeof (tdata_type);
183 tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, amt);
184 if (tdata == NULL)
185 return FALSE;
186 abfd->tdata.versados_data = tdata;
187 tdata->symbols = NULL;
188 VDATA (abfd)->alert = 0x12345678;
189 }
190
191 bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
192 return TRUE;
193}
194
195/* Report a problem in an S record file. FIXME: This probably should
196 not call fprintf, but we really do need some mechanism for printing
197 error messages. */
198
199static asymbol *
200versados_new_symbol (abfd, snum, name, val, sec)
201 bfd *abfd;
202 int snum;
203 const char *name;
204 bfd_vma val;
205 asection *sec;
206{
207 asymbol *n = VDATA (abfd)->symbols + snum;
208 n->name = name;
209 n->value = val;
210 n->section = sec;
211 n->the_bfd = abfd;
212 n->flags = 0;
213 return n;
214}
215
216static int
217get_record (abfd, ptr)
218 bfd *abfd;
219 union ext_any *ptr;
220{
221 if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1
222 || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd)
223 != ptr->size))
224 return 0;
225 return 1;
226}
227
228static int
229get_4 (pp)
230 unsigned char **pp;
231{
232 unsigned char *p = *pp;
233 *pp += 4;
234 return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
235}
236
237static void
238get_10 (pp, name)
239 unsigned char **pp;
240 char *name;
241{
242 char *p = (char *) *pp;
243 int len = 10;
244 *pp += len;
245 while (*p != ' '
246 && len)
247 {
248 *name++ = *p++;
249 len--;
250 }
251 *name = 0;
252}
253
254static char *
255new_symbol_string (abfd, name)
256 bfd *abfd;
257 const char *name;
258{
259 char *n = VDATA (abfd)->strings;
260 strcpy (VDATA (abfd)->strings, name);
261 VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
262 return n;
263}
264
265static void
266process_esd (abfd, esd, pass)
267 bfd *abfd;
268 struct ext_esd *esd;
269 int pass;
270{
271 /* Read through the ext def for the est entries */
272 int togo = esd->size - 2;
273 bfd_vma size;
274 bfd_vma start;
275 asection *sec;
276 char name[11];
277 unsigned char *ptr = esd->esd_entries;
278 unsigned char *end = ptr + togo;
279 while (ptr < end)
280 {
281 int scn = *ptr & 0xf;
282 int typ = (*ptr >> 4) & 0xf;
283
284 /* Declare this section */
285 sprintf (name, "%d", scn);
286 sec = bfd_make_section_old_way (abfd, strdup (name));
287 sec->target_index = scn;
288 EDATA (abfd, scn).section = sec;
289 ptr++;
290 switch (typ)
291 {
292 default:
293 abort ();
294 case ESD_XREF_SEC:
295 case ESD_XREF_SYM:
296 {
297 int snum = VDATA (abfd)->ref_idx++;
298 get_10 (&ptr, name);
299 if (pass == 1)
300 {
301 VDATA (abfd)->stringlen += strlen (name) + 1;
302 }
303 else
304 {
305 int esidx;
306 asymbol *s;
307 char *n = new_symbol_string (abfd, name);
308 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
309 bfd_und_section_ptr);
310 esidx = VDATA (abfd)->es_done++;
311 RDATA (abfd, esidx - ES_BASE) = s;
312 }
313 }
314 break;
315
316 case ESD_ABS:
317 size = get_4 (&ptr);
318 start = get_4 (&ptr);
319 break;
320 case ESD_STD_REL_SEC:
321 case ESD_SHRT_REL_SEC:
322 {
323 sec->_raw_size = get_4 (&ptr);
324 sec->flags |= SEC_ALLOC;
325 }
326 break;
327 case ESD_XDEF_IN_ABS:
328 sec = (asection *) & bfd_abs_section;
329 case ESD_XDEF_IN_SEC:
330 {
331 int snum = VDATA (abfd)->def_idx++;
332 bfd_vma val;
333 get_10 (&ptr, name);
334 val = get_4 (&ptr);
335 if (pass == 1)
336 {
337 /* Just remember the symbol */
338 VDATA (abfd)->stringlen += strlen (name) + 1;
339 }
340 else
341 {
342 asymbol *s;
343 char *n = new_symbol_string (abfd, name);
344 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
345 val, sec);
346 s->flags |= BSF_GLOBAL;
347 }
348 }
349 break;
350 }
351 }
352}
353
354#define R_RELWORD 1
355#define R_RELLONG 2
356#define R_RELWORD_NEG 3
357#define R_RELLONG_NEG 4
358
359reloc_howto_type versados_howto_table[] =
360{
361 HOWTO (R_RELWORD, 0, 1, 16, FALSE,
362 0, complain_overflow_dont, 0,
363 "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
364 HOWTO (R_RELLONG, 0, 2, 32, FALSE,
365 0, complain_overflow_dont, 0,
366 "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
367
368 HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE,
369 0, complain_overflow_dont, 0,
370 "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
371 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE,
372 0, complain_overflow_dont, 0,
373 "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
374};
375
376static int
377get_offset (len, ptr)
378 int len;
379 unsigned char *ptr;
380{
381 int val = 0;
382 if (len)
383 {
384 int i;
385 val = *ptr++;
386 if (val & 0x80)
387 val |= ~0xff;
388 for (i = 1; i < len; i++)
389 val = (val << 8) | *ptr++;
390 }
391
392 return val;
393}
394
395static void
396process_otr (abfd, otr, pass)
397 bfd *abfd;
398 struct ext_otr *otr;
399 int pass;
400{
401 unsigned long shift;
402 unsigned char *srcp = otr->data;
403 unsigned char *endp = (unsigned char *) otr + otr->size;
404 unsigned int bits = (otr->map[0] << 24)
405 | (otr->map[1] << 16)
406 | (otr->map[2] << 8)
407 | (otr->map[3] << 0);
408
409 struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
410 unsigned char *contents = esdid->contents;
411 int need_contents = 0;
412 unsigned int dst_idx = esdid->pc;
413
414 for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
415 {
416 if (bits & shift)
417 {
418 int flag = *srcp++;
419 int esdids = (flag >> 5) & 0x7;
420 int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
421 int offsetlen = flag & 0x7;
422 int j;
423
424 if (esdids == 0)
425 {
426 /* A zero esdid means the new pc is the offset given */
427 dst_idx += get_offset (offsetlen, srcp);
428 srcp += offsetlen;
429 }
430 else
431 {
432 int val = get_offset (offsetlen, srcp + esdids);
433 if (pass == 1)
434 need_contents = 1;
435 else
436 for (j = 0; j < sizeinwords * 2; j++)
437 {
438 contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
439 val >>= 8;
440 }
441
442 for (j = 0; j < esdids; j++)
443 {
444 int esdid = *srcp++;
445
446 if (esdid)
447 {
448 int rn = EDATA (abfd, otr->esdid - 1).relocs++;
449 if (pass == 1)
450 {
451 /* this is the first pass over the data,
452 just remember that we need a reloc */
453 }
454 else
455 {
456 arelent *n =
457 EDATA (abfd, otr->esdid - 1).section->relocation + rn;
458 n->address = dst_idx;
459
460 n->sym_ptr_ptr = (asymbol **) esdid;
461 n->addend = 0;
462 n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
463 }
464 }
465 }
466 srcp += offsetlen;
467 dst_idx += sizeinwords * 2;
468 }
469 }
470 else
471 {
472 need_contents = 1;
473 if (dst_idx < esdid->section->_raw_size)
474 if (pass == 2)
475 {
476 /* absolute code, comes in 16 bit lumps */
477 contents[dst_idx] = srcp[0];
478 contents[dst_idx + 1] = srcp[1];
479 }
480 dst_idx += 2;
481 srcp += 2;
482 }
483 }
484 EDATA (abfd, otr->esdid - 1).pc = dst_idx;
485
486 if (!contents && need_contents)
487 {
488 bfd_size_type size = esdid->section->_raw_size;
489 esdid->contents = (unsigned char *) bfd_alloc (abfd, size);
490 }
491}
492
493static bfd_boolean
494versados_scan (abfd)
495 bfd *abfd;
496{
497 int loop = 1;
498 int i;
499 int j;
500 int nsecs = 0;
501 bfd_size_type amt;
502
503 VDATA (abfd)->stringlen = 0;
504 VDATA (abfd)->nrefs = 0;
505 VDATA (abfd)->ndefs = 0;
506 VDATA (abfd)->ref_idx = 0;
507 VDATA (abfd)->def_idx = 0;
508 VDATA (abfd)->pass_2_done = 0;
509
510 while (loop)
511 {
512 union ext_any any;
513 if (!get_record (abfd, &any))
514 return TRUE;
515 switch (any.header.type)
516 {
517 case VHEADER:
518 break;
519 case VEND:
520 loop = 0;
521 break;
522 case VESTDEF:
523 process_esd (abfd, &any.esd, 1);
524 break;
525 case VOTR:
526 process_otr (abfd, &any.otr, 1);
527 break;
528 }
529 }
530
531 /* Now allocate space for the relocs and sections */
532
533 VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
534 VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
535 VDATA (abfd)->ref_idx = 0;
536 VDATA (abfd)->def_idx = 0;
537
538 abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
539
540 for (i = 0; i < 16; i++)
541 {
542 struct esdid *esdid = &EDATA (abfd, i);
543 if (esdid->section)
544 {
545 amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
546 esdid->section->relocation = (arelent *) bfd_alloc (abfd, amt);
547
548 esdid->pc = 0;
549
550 if (esdid->contents)
551 esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
552
553 esdid->section->reloc_count = esdid->relocs;
554 if (esdid->relocs)
555 esdid->section->flags |= SEC_RELOC;
556
557 esdid->relocs = 0;
558
559 /* Add an entry into the symbol table for it */
560 nsecs++;
561 VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
562 }
563 }
564
565 abfd->symcount += nsecs;
566
567 amt = abfd->symcount;
568 amt *= sizeof (asymbol);
569 VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd, amt);
570
571 amt = VDATA (abfd)->stringlen;
572 VDATA (abfd)->strings = bfd_alloc (abfd, amt);
573
574 if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
575 || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
576 return FALSE;
577
578 /* Actually fill in the section symbols,
579 we stick them at the end of the table */
580
581 for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
582 {
583 struct esdid *esdid = &EDATA (abfd, i);
584 asection *sec = esdid->section;
585 if (sec)
586 {
587 asymbol *s = VDATA (abfd)->symbols + j;
588 s->name = new_symbol_string (abfd, sec->name);
589 s->section = sec;
590 s->flags = BSF_LOCAL;
591 s->value = 0;
592 s->the_bfd = abfd;
593 j++;
594 }
595 }
596 if (abfd->symcount)
597 abfd->flags |= HAS_SYMS;
598
599 /* Set this to nsecs - since we've already planted the section
600 symbols */
601 VDATA (abfd)->nsecsyms = nsecs;
602
603 VDATA (abfd)->ref_idx = 0;
604
605 return 1;
606}
607
608/* Check whether an existing file is a versados file. */
609
610static const bfd_target *
611versados_object_p (abfd)
612 bfd *abfd;
613{
614 struct ext_vheader ext;
615 unsigned char len;
616 tdata_type *tdata_save;
617
618 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
619 return NULL;
620
621 if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
622 {
623 if (bfd_get_error () != bfd_error_system_call)
624 bfd_set_error (bfd_error_wrong_format);
625 return NULL;
626 }
627
628 if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
629 {
630 if (bfd_get_error () != bfd_error_system_call)
631 bfd_set_error (bfd_error_wrong_format);
632 return NULL;
633 }
634
635 /* We guess that the language field will never be larger than 10.
636 In sample files, it is always either 0 or 1. Checking for this
637 prevents confusion with Intel Hex files. */
638 if (ext.type != VHEADER
639 || ext.lang > 10)
640 {
641 bfd_set_error (bfd_error_wrong_format);
642 return NULL;
643 }
644
645 /* OK, looks like a record, build the tdata and read in. */
646
647 tdata_save = abfd->tdata.versados_data;
648 if (!versados_mkobject (abfd) || !versados_scan (abfd))
649 {
650 abfd->tdata.versados_data = tdata_save;
651 return NULL;
652 }
653
654 return abfd->xvec;
655}
656
657static bfd_boolean
658versados_pass_2 (abfd)
659 bfd *abfd;
660{
661 union ext_any any;
662
663 if (VDATA (abfd)->pass_2_done)
664 return 1;
665
666 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
667 return 0;
668
669 VDATA (abfd)->es_done = ES_BASE;
670
671 /* read records till we get to where we want to be */
672
673 while (1)
674 {
675 get_record (abfd, &any);
676 switch (any.header.type)
677 {
678 case VEND:
679 VDATA (abfd)->pass_2_done = 1;
680 return 1;
681 case VESTDEF:
682 process_esd (abfd, &any.esd, 2);
683 break;
684 case VOTR:
685 process_otr (abfd, &any.otr, 2);
686 break;
687 }
688 }
689}
690
691static bfd_boolean
692versados_get_section_contents (abfd, section, location, offset, count)
693 bfd *abfd;
694 asection *section;
695 PTR location;
696 file_ptr offset;
697 bfd_size_type count;
698{
699 if (!versados_pass_2 (abfd))
700 return FALSE;
701
702 memcpy (location,
703 EDATA (abfd, section->target_index).contents + offset,
704 (size_t) count);
705
706 return TRUE;
707}
708
709#define versados_get_section_contents_in_window \
710 _bfd_generic_get_section_contents_in_window
711
712static bfd_boolean
713versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
714 bfd *abfd ATTRIBUTE_UNUSED;
715 sec_ptr section ATTRIBUTE_UNUSED;
716 PTR location ATTRIBUTE_UNUSED;
717 file_ptr offset ATTRIBUTE_UNUSED;
718 bfd_size_type bytes_to_do ATTRIBUTE_UNUSED;
719{
720 return FALSE;
721}
722
723static int
724versados_sizeof_headers (abfd, exec)
725 bfd *abfd ATTRIBUTE_UNUSED;
726 bfd_boolean exec ATTRIBUTE_UNUSED;
727{
728 return 0;
729}
730
731/* Return the amount of memory needed to read the symbol table. */
732
733static long
734versados_get_symtab_upper_bound (abfd)
735 bfd *abfd;
736{
737 return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
738}
739
740/* Return the symbol table. */
741
742static long
743versados_get_symtab (abfd, alocation)
744 bfd *abfd;
745 asymbol **alocation;
746{
747 unsigned int symcount = bfd_get_symcount (abfd);
748 unsigned int i;
749 asymbol *s;
750
751 versados_pass_2 (abfd);
752
753 for (i = 0, s = VDATA (abfd)->symbols;
754 i < symcount;
755 s++, i++)
756 {
757 *alocation++ = s;
758 }
759
760 *alocation = NULL;
761
762 return symcount;
763}
764
765static void
766versados_get_symbol_info (ignore_abfd, symbol, ret)
767 bfd *ignore_abfd ATTRIBUTE_UNUSED;
768 asymbol *symbol;
769 symbol_info *ret;
770{
771 bfd_symbol_info (symbol, ret);
772}
773
774static void
775versados_print_symbol (abfd, afile, symbol, how)
776 bfd *abfd;
777 PTR afile;
778 asymbol *symbol;
779 bfd_print_symbol_type how;
780{
781 FILE *file = (FILE *) afile;
782 switch (how)
783 {
784 case bfd_print_symbol_name:
785 fprintf (file, "%s", symbol->name);
786 break;
787 default:
788 bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
789 fprintf (file, " %-5s %s",
790 symbol->section->name,
791 symbol->name);
792
793 }
794}
795
796static long
797versados_get_reloc_upper_bound (abfd, asect)
798 bfd *abfd ATTRIBUTE_UNUSED;
799 sec_ptr asect;
800{
801 return (asect->reloc_count + 1) * sizeof (arelent *);
802}
803
804static long
805versados_canonicalize_reloc (abfd, section, relptr, symbols)
806 bfd *abfd;
807 sec_ptr section;
808 arelent **relptr;
809 asymbol **symbols;
810{
811 unsigned int count;
812 arelent *src;
813
814 versados_pass_2 (abfd);
815 src = section->relocation;
816 if (!EDATA (abfd, section->target_index).donerel)
817 {
818 EDATA (abfd, section->target_index).donerel = 1;
819 /* translate from indexes to symptr ptrs */
820 for (count = 0; count < section->reloc_count; count++)
821 {
822 int esdid = (int) src[count].sym_ptr_ptr;
823
824 if (esdid == 0)
825 {
826 src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
827 }
828 else if (esdid < ES_BASE) /* Section relative thing */
829 {
830 struct esdid *e = &EDATA (abfd, esdid - 1);
831 if (!section)
832 {
833 /** relocation relative to section which was
834 never declared ! */
835 }
836 src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
837 }
838 else
839 {
840 src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
841 }
842
843 }
844 }
845
846 for (count = 0; count < section->reloc_count; count++)
847 {
848 *relptr++ = src++;
849 }
850 *relptr = 0;
851 return section->reloc_count;
852}
853
854#define versados_close_and_cleanup _bfd_generic_close_and_cleanup
855#define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
856#define versados_new_section_hook _bfd_generic_new_section_hook
857
858#define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
859#define versados_get_lineno _bfd_nosymbols_get_lineno
860#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
861#define versados_make_empty_symbol _bfd_generic_make_empty_symbol
862#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
863#define versados_read_minisymbols _bfd_generic_read_minisymbols
864#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
865
866#define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
867
868#define versados_set_arch_mach bfd_default_set_arch_mach
869
870#define versados_bfd_get_relocated_section_contents \
871 bfd_generic_get_relocated_section_contents
872#define versados_bfd_relax_section bfd_generic_relax_section
873#define versados_bfd_gc_sections bfd_generic_gc_sections
874#define versados_bfd_merge_sections bfd_generic_merge_sections
875#define versados_bfd_discard_group bfd_generic_discard_group
876#define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
877#define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
878#define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
879#define versados_bfd_link_just_syms _bfd_generic_link_just_syms
880#define versados_bfd_final_link _bfd_generic_final_link
881#define versados_bfd_link_split_section _bfd_generic_link_split_section
882
883const bfd_target versados_vec =
884{
885 "versados", /* name */
886 bfd_target_versados_flavour,
887 BFD_ENDIAN_BIG, /* target byte order */
888 BFD_ENDIAN_BIG, /* target headers byte order */
889 (HAS_RELOC | EXEC_P | /* object flags */
890 HAS_LINENO | HAS_DEBUG |
891 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
892 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
893 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
894 0, /* leading underscore */
895 ' ', /* ar_pad_char */
896 16, /* ar_max_namelen */
897 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
898 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
899 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
900 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
901 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
902 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
903
904 {
905 _bfd_dummy_target,
906 versados_object_p, /* bfd_check_format */
907 _bfd_dummy_target,
908 _bfd_dummy_target,
909 },
910 {
911 bfd_false,
912 versados_mkobject,
913 _bfd_generic_mkarchive,
914 bfd_false,
915 },
916 { /* bfd_write_contents */
917 bfd_false,
918 bfd_false,
919 _bfd_write_archive_contents,
920 bfd_false,
921 },
922
923 BFD_JUMP_TABLE_GENERIC (versados),
924 BFD_JUMP_TABLE_COPY (_bfd_generic),
925 BFD_JUMP_TABLE_CORE (_bfd_nocore),
926 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
927 BFD_JUMP_TABLE_SYMBOLS (versados),
928 BFD_JUMP_TABLE_RELOCS (versados),
929 BFD_JUMP_TABLE_WRITE (versados),
930 BFD_JUMP_TABLE_LINK (versados),
931 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
932
933 NULL,
934
935 (PTR) 0
936};
Note: See TracBrowser for help on using the repository browser.