1/* BFD back-end for VERSAdos-E objects.
2   Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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 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 */
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, const 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_canonicalize_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->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->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->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     const 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_canonicalize_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_target_special_symbol \
859  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
860#define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
861#define versados_get_lineno _bfd_nosymbols_get_lineno
862#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
863#define versados_make_empty_symbol _bfd_generic_make_empty_symbol
864#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
865#define versados_read_minisymbols _bfd_generic_read_minisymbols
866#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
867
868#define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
869
870#define versados_set_arch_mach bfd_default_set_arch_mach
871
872#define versados_bfd_get_relocated_section_contents \
873  bfd_generic_get_relocated_section_contents
874#define versados_bfd_relax_section bfd_generic_relax_section
875#define versados_bfd_gc_sections bfd_generic_gc_sections
876#define versados_bfd_merge_sections bfd_generic_merge_sections
877#define versados_bfd_is_group_section bfd_generic_is_group_section
878#define versados_bfd_discard_group bfd_generic_discard_group
879#define versados_section_already_linked \
880  _bfd_generic_section_already_linked
881#define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
882#define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
883#define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
884#define versados_bfd_link_just_syms _bfd_generic_link_just_syms
885#define versados_bfd_final_link _bfd_generic_final_link
886#define versados_bfd_link_split_section _bfd_generic_link_split_section
887
888const bfd_target versados_vec =
889{
890  "versados",			/* name */
891  bfd_target_versados_flavour,
892  BFD_ENDIAN_BIG,		/* target byte order */
893  BFD_ENDIAN_BIG,		/* target headers byte order */
894  (HAS_RELOC | EXEC_P |		/* object flags */
895   HAS_LINENO | HAS_DEBUG |
896   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
897  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
898   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),		/* section flags */
899  0,				/* leading underscore */
900  ' ',				/* ar_pad_char */
901  16,				/* ar_max_namelen */
902  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
903  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
904  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
905  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
906  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
907  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
908
909  {
910    _bfd_dummy_target,
911    versados_object_p,		/* bfd_check_format */
912    _bfd_dummy_target,
913    _bfd_dummy_target,
914  },
915  {
916    bfd_false,
917    versados_mkobject,
918    _bfd_generic_mkarchive,
919    bfd_false,
920  },
921  {				/* bfd_write_contents */
922    bfd_false,
923    bfd_false,
924    _bfd_write_archive_contents,
925    bfd_false,
926  },
927
928  BFD_JUMP_TABLE_GENERIC (versados),
929  BFD_JUMP_TABLE_COPY (_bfd_generic),
930  BFD_JUMP_TABLE_CORE (_bfd_nocore),
931  BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
932  BFD_JUMP_TABLE_SYMBOLS (versados),
933  BFD_JUMP_TABLE_RELOCS (versados),
934  BFD_JUMP_TABLE_WRITE (versados),
935  BFD_JUMP_TABLE_LINK (versados),
936  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
937
938  NULL,
939
940  (PTR) 0
941};
942