xref: /openbsd/gnu/usr.bin/binutils/bfd/versados.c (revision 133306f0)
1 /* BFD back-end for VERSAdos-E objects.
2    Copyright 1995, 96, 97, 98, 99, 2000 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
22 
23 /*
24    SUBSECTION
25    VERSAdos-E relocateable object file format
26 
27    DESCRIPTION
28 
29    This module supports reading of VERSAdos relocateable
30    object files.
31 
32    A VERSAdos file looks like contains
33 
34    o Indentification Record
35    o External Symbol Definition Record
36    o Object Text Recrod
37    o End Record
38 
39 
40  */
41 
42 #include "bfd.h"
43 #include "sysdep.h"
44 #include "libbfd.h"
45 #include "libiberty.h"
46 
47 
48 static boolean versados_mkobject PARAMS ((bfd *));
49 static boolean versados_scan PARAMS ((bfd *));
50 static const bfd_target *versados_object_p PARAMS ((bfd *));
51 
52 
53 #define VHEADER '1'
54 #define VESTDEF '2'
55 #define VOTR '3'
56 #define VEND '4'
57 
58 
59 #define ES_BASE 17		/* first symbol has esdid 17 */
60 
61 /* Per file target dependent information */
62 
63 /* one for each section */
64 struct esdid
65   {
66     asection *section;		/* ptr to bfd version */
67     unsigned char *contents;	/* used to build image */
68     int pc;
69     int relocs;			/* reloc count, valid end of pass 1 */
70     int donerel;		/* have relocs been translated */
71   };
72 
73 typedef struct versados_data_struct
74   {
75     int es_done;		/* count of symbol index, starts at ES_BASE */
76     asymbol *symbols;		/* pointer to local symbols */
77     char *strings;		/* strings of all the above */
78     int stringlen;		/* len of string table (valid end of pass1) */
79     int nsecsyms;		/* number of sections */
80 
81     int ndefs;			/* number of exported symbols (they dont get esdids) */
82     int nrefs;			/* number of imported symbols  (valid end of pass1) */
83 
84     int ref_idx;		/* current processed value of the above */
85     int def_idx;
86 
87     int pass_2_done;
88 
89     struct esdid e[16];		/* per section info */
90     int alert;			/* to see if we're trampling */
91     asymbol *rest[256 - 16];	/* per symbol info */
92 
93   }
94 tdata_type;
95 
96 #define VDATA(abfd)       (abfd->tdata.versados_data)
97 #define EDATA(abfd, n)    (abfd->tdata.versados_data->e[n])
98 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
99 
100 struct ext_otr
101   {
102     unsigned char size;
103     char type;
104     unsigned char map[4];
105     unsigned char esdid;
106     unsigned char data[200];
107   };
108 
109 struct ext_vheader
110   {
111     unsigned char size;
112     char type;			/* record type */
113     char name[10];		/* module name */
114     char rev;			/* module rev number */
115     char lang;
116     char vol[4];
117     char user[2];
118     char cat[8];
119     char fname[8];
120     char ext[2];
121     char time[3];
122     char date[3];
123     char rest[211];
124   };
125 
126 struct ext_esd
127   {
128     unsigned char size;
129     char type;
130     unsigned char esd_entries[1];
131   };
132 #define ESD_ABS 	0
133 #define ESD_COMMON 	1
134 #define ESD_STD_REL_SEC 2
135 #define ESD_SHRT_REL_SEC 3
136 #define ESD_XDEF_IN_SEC 4
137 #define ESD_XREF_SYM    7
138 #define ESD_XREF_SEC	6
139 #define ESD_XDEF_IN_ABS 5
140 union ext_any
141   {
142     unsigned char size;
143     struct ext_vheader header;
144     struct ext_esd esd;
145     struct ext_otr otr;
146   };
147 
148 /* Initialize by filling in the hex conversion array. */
149 
150 
151 
152 
153 
154 /* Set up the tdata information.  */
155 
156 static boolean
157 versados_mkobject (abfd)
158      bfd *abfd;
159 {
160   if (abfd->tdata.versados_data == NULL)
161     {
162       tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
163       if (tdata == NULL)
164 	return false;
165       abfd->tdata.versados_data = tdata;
166       tdata->symbols = NULL;
167       VDATA (abfd)->alert = 0x12345678;
168     }
169 
170   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
171   return true;
172 }
173 
174 
175 /* Report a problem in an S record file.  FIXME: This probably should
176    not call fprintf, but we really do need some mechanism for printing
177    error messages.  */
178 
179 
180 
181 static asymbol *
182 versados_new_symbol (abfd, snum, name, val, sec)
183      bfd *abfd;
184      int snum;
185      const char *name;
186      bfd_vma val;
187      asection *sec;
188 {
189   asymbol *n = VDATA (abfd)->symbols + snum;
190   n->name = name;
191   n->value = val;
192   n->section = sec;
193   n->the_bfd = abfd;
194   n->flags = 0;
195   return n;
196 }
197 
198 
199 static int
200 get_record (abfd, ptr)
201      bfd *abfd;
202      union ext_any *ptr;
203 {
204   bfd_read (&ptr->size, 1, 1, abfd);
205   if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
206     return 0;
207   return 1;
208 }
209 
210 int
211 get_4 (pp)
212      unsigned char **pp;
213 {
214   unsigned char *p = *pp;
215   *pp += 4;
216   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
217 }
218 
219 void
220 get_10 (pp, name)
221      unsigned char **pp;
222      char *name;
223 {
224   char *p = (char *) *pp;
225   int len = 10;
226   *pp += len;
227   while (*p != ' '
228 	 && len)
229     {
230       *name++ = *p++;
231       len--;
232     }
233   *name = 0;
234 }
235 
236 static char *
237 new_symbol_string (abfd, name)
238      bfd *abfd;
239      char *name;
240 {
241   char *n = VDATA (abfd)->strings;
242   strcpy (VDATA (abfd)->strings, name);
243   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
244   return n;
245 }
246 
247 
248 static void
249 process_esd (abfd, esd, pass)
250      bfd *abfd;
251      struct ext_esd *esd;
252      int pass;
253 {
254   /* Read through the ext def for the est entries */
255   int togo = esd->size - 2;
256   bfd_vma size;
257   bfd_vma start;
258   asection *sec;
259   char name[11];
260   unsigned char *ptr = esd->esd_entries;
261   unsigned char *end = ptr + togo;
262   while (ptr < end)
263     {
264       int scn = *ptr & 0xf;
265       int typ = (*ptr >> 4) & 0xf;
266 
267       /* Declare this section */
268       sprintf (name, "%d", scn);
269       sec = bfd_make_section_old_way (abfd, strdup (name));
270       sec->target_index = scn;
271       EDATA (abfd, scn).section = sec;
272       ptr++;
273       switch (typ)
274 	{
275 	default:
276 	  abort ();
277 	case ESD_XREF_SEC:
278 	case ESD_XREF_SYM:
279 	  {
280 	    int snum = VDATA (abfd)->ref_idx++;
281 	    get_10 (&ptr, name);
282 	    if (pass == 1)
283 	      {
284 		VDATA (abfd)->stringlen += strlen (name) + 1;
285 	      }
286 	    else
287 	      {
288 		int esidx;
289 		asymbol *s;
290 		char *n = new_symbol_string (abfd, name);
291 		s = versados_new_symbol (abfd, snum, n, 0,
292 					 &bfd_und_section, scn);
293 		esidx = VDATA (abfd)->es_done++;
294 		RDATA (abfd, esidx - ES_BASE) = s;
295 	      }
296 	  }
297 	  break;
298 
299 
300 	case ESD_ABS:
301 	  size = get_4 (&ptr);
302 	  start = get_4 (&ptr);
303 	  break;
304 	case ESD_STD_REL_SEC:
305 	case ESD_SHRT_REL_SEC:
306 	  {
307 	    sec->_raw_size = get_4 (&ptr);
308 	    sec->flags |= SEC_ALLOC;
309 	  }
310 	  break;
311 	case ESD_XDEF_IN_ABS:
312 	  sec = (asection *) & bfd_abs_section;
313 	case ESD_XDEF_IN_SEC:
314 	  {
315 	    int snum = VDATA (abfd)->def_idx++;
316 	    long val;
317 	    get_10 (&ptr, name);
318 	    val = get_4 (&ptr);
319 	    if (pass == 1)
320 	      {
321 		/* Just remember the symbol */
322 		VDATA (abfd)->stringlen += strlen (name) + 1;
323 	      }
324 	    else
325 	      {
326 		asymbol *s;
327 		char *n = new_symbol_string (abfd, name);
328 		s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
329 		s->flags |= BSF_GLOBAL;
330 	      }
331 	  }
332 	  break;
333 	}
334     }
335 }
336 
337 #define R_RELWORD 1
338 #define R_RELLONG 2
339 #define R_RELWORD_NEG 3
340 #define R_RELLONG_NEG 4
341 
342 reloc_howto_type versados_howto_table[] =
343 {
344   HOWTO (R_RELWORD, 0, 1, 16, false,
345 	 0, complain_overflow_dont, 0,
346 	 "+v16", true, 0x0000ffff, 0x0000ffff, false),
347   HOWTO (R_RELLONG, 0, 2, 32, false,
348 	 0, complain_overflow_dont, 0,
349 	 "+v32", true, 0xffffffff, 0xffffffff, false),
350 
351   HOWTO (R_RELWORD_NEG, 0, -1, 16, false,
352 	 0, complain_overflow_dont, 0,
353 	 "-v16", true, 0x0000ffff, 0x0000ffff, false),
354   HOWTO (R_RELLONG_NEG, 0, -2, 32, false,
355 	 0, complain_overflow_dont, 0,
356 	 "-v32", true, 0xffffffff, 0xffffffff, false),
357 };
358 
359 
360 static int
361 get_offset (len, ptr)
362      int len;
363      unsigned char *ptr;
364 {
365   int val = 0;
366   if (len)
367     {
368       int i;
369       val = *ptr++;
370       if (val & 0x80)
371 	val |= ~0xff;
372       for (i = 1; i < len; i++)
373 	val = (val << 8) | *ptr++;
374     }
375 
376   return val;
377 }
378 
379 static void
380 process_otr (abfd, otr, pass)
381      bfd *abfd;
382      struct ext_otr *otr;
383      int pass;
384 {
385   unsigned long shift;
386   unsigned char *srcp = otr->data;
387   unsigned char *endp = (unsigned char *) otr + otr->size;
388   unsigned int bits = (otr->map[0] << 24)
389   | (otr->map[1] << 16)
390   | (otr->map[2] << 8)
391   | (otr->map[3] << 0);
392 
393   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
394   unsigned char *contents = esdid->contents;
395   int need_contents = 0;
396   unsigned int dst_idx = esdid->pc;
397 
398   for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
399     {
400       if (bits & shift)
401 	{
402 	  int flag = *srcp++;
403 	  int esdids = (flag >> 5) & 0x7;
404 	  int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
405 	  int offsetlen = flag & 0x7;
406 	  int j;
407 
408 
409 	  if (esdids == 0)
410 	    {
411 	      /* A zero esdid means the new pc is the offset given */
412 	      dst_idx += get_offset (offsetlen, srcp);
413 	      srcp += offsetlen;
414 	    }
415 	  else
416 	    {
417 	      int val = get_offset (offsetlen, srcp + esdids);
418 	      if (pass == 1)
419 		need_contents = 1;
420 	      else
421 		for (j = 0; j < sizeinwords * 2; j++)
422 		  {
423 		    contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
424 		    val >>= 8;
425 		  }
426 
427 	      for (j = 0; j < esdids; j++)
428 		{
429 		  int esdid = *srcp++;
430 
431 		  if (esdid)
432 		    {
433 		      int rn = EDATA (abfd, otr->esdid - 1).relocs++;
434 		      if (pass == 1)
435 			{
436 			  /* this is the first pass over the data,
437 			     just remember that we need a reloc */
438 			}
439 		      else
440 			{
441 			  arelent *n =
442 			  EDATA (abfd, otr->esdid - 1).section->relocation + rn;
443 			  n->address = dst_idx;
444 
445 			  n->sym_ptr_ptr = (asymbol **) esdid;
446 			  n->addend = 0;
447 			  n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
448 			}
449 		    }
450 		}
451 	      srcp += offsetlen;
452 	      dst_idx += sizeinwords * 2;
453 	    }
454 	}
455       else
456 	{
457 	  need_contents = 1;
458 	  if (dst_idx < esdid->section->_raw_size)
459 	    if (pass == 2)
460 	      {
461 		/* absolute code, comes in 16 bit lumps */
462 		contents[dst_idx] = srcp[0];
463 		contents[dst_idx + 1] = srcp[1];
464 	      }
465 	  dst_idx += 2;
466 	  srcp += 2;
467 	}
468     }
469   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
470 
471   if (!contents && need_contents)
472     esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
473 
474 
475 }
476 
477 static boolean
478 versados_scan (abfd)
479      bfd *abfd;
480 {
481   int loop = 1;
482   int i;
483   int j;
484   int nsecs = 0;
485 
486   VDATA (abfd)->stringlen = 0;
487   VDATA (abfd)->nrefs = 0;
488   VDATA (abfd)->ndefs = 0;
489   VDATA (abfd)->ref_idx = 0;
490   VDATA (abfd)->def_idx = 0;
491   VDATA (abfd)->pass_2_done = 0;
492 
493   while (loop)
494     {
495       union ext_any any;
496       if (!get_record (abfd, &any))
497 	return true;
498       switch (any.header.type)
499 	{
500 	case VHEADER:
501 	  break;
502 	case VEND:
503 	  loop = 0;
504 	  break;
505 	case VESTDEF:
506 	  process_esd (abfd, &any.esd, 1);
507 	  break;
508 	case VOTR:
509 	  process_otr (abfd, &any.otr, 1);
510 	  break;
511 	}
512     }
513 
514   /* Now allocate space for the relocs and sections */
515 
516   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
517   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
518   VDATA (abfd)->ref_idx = 0;
519   VDATA (abfd)->def_idx = 0;
520 
521   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
522 
523   for (i = 0; i < 16; i++)
524     {
525       struct esdid *esdid = &EDATA (abfd, i);
526       if (esdid->section)
527 	{
528 	  esdid->section->relocation
529 	    = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
530 
531 	  esdid->pc = 0;
532 
533 	  if (esdid->contents)
534 	    esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
535 
536 	  esdid->section->reloc_count = esdid->relocs;
537 	  if (esdid->relocs)
538 	    esdid->section->flags |= SEC_RELOC;
539 
540 	  esdid->relocs = 0;
541 
542 	  /* Add an entry into the symbol table for it */
543 	  nsecs++;
544 	  VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
545 	}
546     }
547 
548   abfd->symcount += nsecs;
549 
550   VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
551 				       sizeof (asymbol) * (abfd->symcount));
552 
553   VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
554 
555   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
556       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
557     return false;
558 
559   /* Actually fill in the section symbols,
560      we stick them at the end of the table */
561 
562   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
563     {
564       struct esdid *esdid = &EDATA (abfd, i);
565       asection *sec = esdid->section;
566       if (sec)
567 	{
568 	  asymbol *s = VDATA (abfd)->symbols + j;
569 	  s->name = new_symbol_string (abfd, sec->name);
570 	  s->section = sec;
571 	  s->flags = BSF_LOCAL;
572 	  s->value = 0;
573 	  s->the_bfd = abfd;
574 	  j++;
575 	}
576     }
577   if (abfd->symcount)
578     abfd->flags |= HAS_SYMS;
579 
580   /* Set this to nsecs - since we've already planted the section
581      symbols */
582   VDATA (abfd)->nsecsyms = nsecs;
583 
584   VDATA (abfd)->ref_idx = 0;
585 
586   return 1;
587 }
588 
589 
590 
591 /* Check whether an existing file is a versados  file.  */
592 
593 static const bfd_target *
594 versados_object_p (abfd)
595      bfd *abfd;
596 {
597   struct ext_vheader ext;
598   unsigned char len;
599 
600   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
601     return NULL;
602 
603   if (bfd_read (&len, 1, 1, abfd) != 1)
604     {
605       if (bfd_get_error () != bfd_error_system_call)
606 	bfd_set_error (bfd_error_wrong_format);
607       return NULL;
608     }
609 
610   if (bfd_read (&ext.type, 1, len, abfd) != len)
611     {
612       if (bfd_get_error () != bfd_error_system_call)
613 	bfd_set_error (bfd_error_wrong_format);
614       return NULL;
615     }
616 
617   /* We guess that the language field will never be larger than 10.
618      In sample files, it is always either 0 or 1.  Checking for this
619      prevents confusion with Intel Hex files.  */
620   if (ext.type != VHEADER
621       || ext.lang > 10)
622     {
623       bfd_set_error (bfd_error_wrong_format);
624       return NULL;
625     }
626 
627   /* OK, looks like a record, build the tdata and read in.  */
628 
629   if (!versados_mkobject (abfd)
630       || !versados_scan (abfd))
631     return NULL;
632 
633   return abfd->xvec;
634 }
635 
636 
637 static boolean
638 versados_pass_2 (abfd)
639      bfd *abfd;
640 {
641   union ext_any any;
642 
643   if (VDATA (abfd)->pass_2_done)
644     return 1;
645 
646   if (bfd_seek (abfd, 0, SEEK_SET) != 0)
647     return 0;
648 
649   VDATA (abfd)->es_done = ES_BASE;
650 
651 
652   /* read records till we get to where we want to be */
653 
654   while (1)
655     {
656       get_record (abfd, &any);
657       switch (any.header.type)
658 	{
659 	case VEND:
660 	  VDATA (abfd)->pass_2_done = 1;
661 	  return 1;
662 	case VESTDEF:
663 	  process_esd (abfd, &any.esd, 2);
664 	  break;
665 	case VOTR:
666 	  process_otr (abfd, &any.otr, 2);
667 	  break;
668 	}
669     }
670 }
671 
672 static boolean
673 versados_get_section_contents (abfd, section, location, offset, count)
674      bfd *abfd;
675      asection *section;
676      PTR location;
677      file_ptr offset;
678      bfd_size_type count;
679 {
680   if (!versados_pass_2 (abfd))
681     return false;
682 
683   memcpy (location,
684 	  EDATA (abfd, section->target_index).contents + offset,
685 	  (size_t) count);
686 
687   return true;
688 }
689 
690 #define versados_get_section_contents_in_window \
691   _bfd_generic_get_section_contents_in_window
692 
693 static boolean
694 versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
695      bfd *abfd ATTRIBUTE_UNUSED;
696      sec_ptr section ATTRIBUTE_UNUSED;
697      PTR location ATTRIBUTE_UNUSED;
698      file_ptr offset ATTRIBUTE_UNUSED;
699      bfd_size_type bytes_to_do ATTRIBUTE_UNUSED;
700 {
701   return false;
702 }
703 
704 
705 /*ARGSUSED */
706 static int
707 versados_sizeof_headers (abfd, exec)
708      bfd *abfd ATTRIBUTE_UNUSED;
709      boolean exec ATTRIBUTE_UNUSED;
710 {
711   return 0;
712 }
713 
714 static asymbol *
715 versados_make_empty_symbol (abfd)
716      bfd *abfd;
717 {
718   asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
719   if (new)
720     new->the_bfd = abfd;
721   return new;
722 }
723 
724 /* Return the amount of memory needed to read the symbol table.  */
725 
726 static long
727 versados_get_symtab_upper_bound (abfd)
728      bfd *abfd;
729 {
730   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
731 }
732 
733 /* Return the symbol table.  */
734 
735 static long
736 versados_get_symtab (abfd, alocation)
737      bfd *abfd;
738      asymbol **alocation;
739 {
740   unsigned int symcount = bfd_get_symcount (abfd);
741   unsigned int i;
742   asymbol *s;
743 
744   versados_pass_2 (abfd);
745 
746   for (i = 0, s = VDATA (abfd)->symbols;
747        i < symcount;
748        s++, i++)
749     {
750       *alocation++ = s;
751     }
752 
753   *alocation = NULL;
754 
755   return symcount;
756 }
757 
758 /*ARGSUSED */
759 void
760 versados_get_symbol_info (ignore_abfd, symbol, ret)
761      bfd *ignore_abfd ATTRIBUTE_UNUSED;
762      asymbol *symbol;
763      symbol_info *ret;
764 {
765   bfd_symbol_info (symbol, ret);
766 }
767 
768 /*ARGSUSED */
769 void
770 versados_print_symbol (ignore_abfd, afile, symbol, how)
771      bfd *ignore_abfd ATTRIBUTE_UNUSED;
772      PTR afile;
773      asymbol *symbol;
774      bfd_print_symbol_type how;
775 {
776   FILE *file = (FILE *) afile;
777   switch (how)
778     {
779     case bfd_print_symbol_name:
780       fprintf (file, "%s", symbol->name);
781       break;
782     default:
783       bfd_print_symbol_vandf ((PTR) file, symbol);
784       fprintf (file, " %-5s %s",
785 	       symbol->section->name,
786 	       symbol->name);
787 
788     }
789 }
790 
791 long
792 versados_get_reloc_upper_bound (abfd, asect)
793      bfd *abfd ATTRIBUTE_UNUSED;
794      sec_ptr asect;
795 {
796   return (asect->reloc_count + 1) * sizeof (arelent *);
797 }
798 
799 
800 long
801 versados_canonicalize_reloc (abfd, section, relptr, symbols)
802      bfd *abfd;
803      sec_ptr section;
804      arelent **relptr;
805      asymbol **symbols;
806 {
807   unsigned int count;
808   arelent *src;
809 
810   versados_pass_2 (abfd);
811   src = section->relocation;
812   if (!EDATA (abfd, section->target_index).donerel)
813     {
814       EDATA (abfd, section->target_index).donerel = 1;
815       /* translate from indexes to symptr ptrs */
816       for (count = 0; count < section->reloc_count; count++)
817 	{
818 	  int esdid = (int) src[count].sym_ptr_ptr;
819 
820 	  if (esdid == 0)
821 	    {
822 	      src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
823 	    }
824 	  else if (esdid < ES_BASE)	/* Section relative thing */
825 	    {
826 	      struct esdid *e = &EDATA (abfd, esdid - 1);
827 	      if (!section)
828 		{
829 		 /** relocation relative to section which was
830 		   never declared ! */
831 		}
832 	      src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
833 	    }
834 	  else
835 	    {
836 	      src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
837 	    }
838 
839 	}
840     }
841 
842   for (count = 0; count < section->reloc_count; count++)
843     {
844       *relptr++ = src++;
845     }
846   *relptr = 0;
847   return section->reloc_count;
848 }
849 
850 #define	versados_close_and_cleanup _bfd_generic_close_and_cleanup
851 #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
852 #define versados_new_section_hook _bfd_generic_new_section_hook
853 
854 #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
855 #define versados_get_lineno _bfd_nosymbols_get_lineno
856 #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
857 #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
858 #define versados_read_minisymbols _bfd_generic_read_minisymbols
859 #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
860 
861 #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
862 
863 #define versados_set_arch_mach bfd_default_set_arch_mach
864 
865 #define versados_bfd_get_relocated_section_contents \
866   bfd_generic_get_relocated_section_contents
867 #define versados_bfd_relax_section bfd_generic_relax_section
868 #define versados_bfd_gc_sections bfd_generic_gc_sections
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_final_link _bfd_generic_final_link
872 #define versados_bfd_link_split_section _bfd_generic_link_split_section
873 
874 const bfd_target versados_vec =
875 {
876   "versados",			/* name */
877   bfd_target_versados_flavour,
878   BFD_ENDIAN_BIG,		/* target byte order */
879   BFD_ENDIAN_BIG,		/* target headers byte order */
880   (HAS_RELOC | EXEC_P |		/* object flags */
881    HAS_LINENO | HAS_DEBUG |
882    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
883   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
884    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),		/* section flags */
885   0,				/* leading underscore */
886   ' ',				/* ar_pad_char */
887   16,				/* ar_max_namelen */
888   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
889   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
890   bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
891   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
892   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
893   bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
894 
895   {
896     _bfd_dummy_target,
897     versados_object_p,		/* bfd_check_format */
898     _bfd_dummy_target,
899     _bfd_dummy_target,
900   },
901   {
902     bfd_false,
903     versados_mkobject,
904     _bfd_generic_mkarchive,
905     bfd_false,
906   },
907   {				/* bfd_write_contents */
908     bfd_false,
909     bfd_false,
910     _bfd_write_archive_contents,
911     bfd_false,
912   },
913 
914   BFD_JUMP_TABLE_GENERIC (versados),
915   BFD_JUMP_TABLE_COPY (_bfd_generic),
916   BFD_JUMP_TABLE_CORE (_bfd_nocore),
917   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
918   BFD_JUMP_TABLE_SYMBOLS (versados),
919   BFD_JUMP_TABLE_RELOCS (versados),
920   BFD_JUMP_TABLE_WRITE (versados),
921   BFD_JUMP_TABLE_LINK (versados),
922   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
923 
924   NULL,
925 
926   (PTR) 0
927 };
928