Initial revision

1 files changed, 923 insertions, 0 deletions

diff --git a/bfd/versados.c b/bfd/versados.c
new file mode 100644
index 0000000000..0dcd108069
--- /dev/null
+++ b/bfd/versados.c
@@ -0,0 +1,923 @@
+/* BFD back-end for VERSAdos-E objects.
+   Copyright 1995, 96, 1997 Free Software Foundation, Inc.
+   Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
+
+   Versados is a Motorola trademark.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/*
+   SUBSECTION
+   VERSAdos-E relocateable object file format
+
+   DESCRIPTION
+
+   This module supports reading of VERSAdos relocateable
+   object files.
+
+   A VERSAdos file looks like contains
+
+   o Indentification Record
+   o External Symbol Definition Record
+   o Object Text Recrod
+   o End Record
+
+
+ */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libiberty.h"
+
+
+static boolean versados_mkobject PARAMS ((bfd *));
+static boolean versados_scan PARAMS ((bfd *));
+static const bfd_target *versados_object_p PARAMS ((bfd *));
+
+
+#define VHEADER '1'
+#define VESTDEF '2'
+#define VOTR '3'
+#define VEND '4'
+
+
+#define ES_BASE 17		/* first symbol has esdid 17 */
+
+/* Per file target dependent information */
+
+/* one for each section */
+struct esdid
+  {
+    asection *section;		/* ptr to bfd version */
+    unsigned char *contents;	/* used to build image */
+    int pc;
+    int relocs;			/* reloc count, valid end of pass 1 */
+    int donerel;		/* have relocs been translated */
+  };
+
+typedef struct versados_data_struct
+  {
+    int es_done;		/* count of symbol index, starts at ES_BASE */
+    asymbol *symbols;		/* pointer to local symbols */
+    char *strings;		/* strings of all the above */
+    int stringlen;		/* len of string table (valid end of pass1) */
+    int nsecsyms;		/* number of sections */
+
+    int ndefs;			/* number of exported symbols (they dont get esdids) */
+    int nrefs;			/* number of imported symbols  (valid end of pass1) */
+
+    int ref_idx;		/* current processed value of the above */
+    int def_idx;
+
+    int pass_2_done;
+
+    struct esdid e[16];		/* per section info */
+    int alert;			/* to see if we're trampling */
+    asymbol *rest[256 - 16];	/* per symbol info */
+
+  }
+tdata_type;
+
+#define VDATA(abfd)       (abfd->tdata.versados_data)
+#define EDATA(abfd, n)    (abfd->tdata.versados_data->e[n])
+#define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
+
+struct ext_otr
+  {
+    unsigned char size;
+    char type;
+    unsigned char map[4];
+    unsigned char esdid;
+    unsigned char data[200];
+  };
+
+struct ext_vheader
+  {
+    unsigned char size;
+    char type;			/* record type */
+    char name[10];		/* module name */
+    char rev;			/* module rev number */
+    char lang;
+    char vol[4];
+    char user[2];
+    char cat[8];
+    char fname[8];
+    char ext[2];
+    char time[3];
+    char date[3];
+    char rest[211];
+  };
+
+struct ext_esd
+  {
+    unsigned char size;
+    char type;
+    unsigned char esd_entries[1];
+  };
+#define ESD_ABS 	0
+#define ESD_COMMON 	1
+#define ESD_STD_REL_SEC 2
+#define ESD_SHRT_REL_SEC 3
+#define ESD_XDEF_IN_SEC 4
+#define ESD_XREF_SYM    7
+#define ESD_XREF_SEC	6
+#define ESD_XDEF_IN_ABS 5
+union ext_any
+  {
+    unsigned char size;
+    struct ext_vheader header;
+    struct ext_esd esd;
+    struct ext_otr otr;
+  };
+
+/* Initialize by filling in the hex conversion array. */
+
+
+
+
+
+/* Set up the tdata information.  */
+
+static boolean
+versados_mkobject (abfd)
+     bfd *abfd;
+{
+  if (abfd->tdata.versados_data == NULL)
+    {
+      tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
+      if (tdata == NULL)
+	return false;
+      abfd->tdata.versados_data = tdata;
+      tdata->symbols = NULL;
+      VDATA (abfd)->alert = 0x12345678;
+    }
+
+  bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
+  return true;
+}
+
+
+/* Report a problem in an S record file.  FIXME: This probably should
+   not call fprintf, but we really do need some mechanism for printing
+   error messages.  */
+
+
+
+static asymbol *
+versados_new_symbol (abfd, snum, name, val, sec)
+     bfd *abfd;
+     int snum;
+     const char *name;
+     bfd_vma val;
+     asection *sec;
+{
+  asymbol *n = VDATA (abfd)->symbols + snum;
+  n->name = name;
+  n->value = val;
+  n->section = sec;
+  n->the_bfd = abfd;
+  n->flags = 0;
+  return n;
+}
+
+
+static int
+get_record (abfd, ptr)
+     bfd *abfd;
+     union ext_any *ptr;
+{
+  bfd_read (&ptr->size, 1, 1, abfd);
+  if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
+    return 0;
+  return 1;
+}
+
+int
+get_4 (pp)
+     unsigned char **pp;
+{
+  unsigned char *p = *pp;
+  *pp += 4;
+  return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
+}
+
+void
+get_10 (pp, name)
+     unsigned char **pp;
+     char *name;
+{
+  char *p = (char *) *pp;
+  int len = 10;
+  *pp += len;
+  while (*p != ' '
+	 && len)
+    {
+      *name++ = *p++;
+      len--;
+    }
+  *name = 0;
+}
+
+static char *
+new_symbol_string (abfd, name)
+     bfd *abfd;
+     char *name;
+{
+  char *n = VDATA (abfd)->strings;
+  strcpy (VDATA (abfd)->strings, name);
+  VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
+  return n;
+}
+
+
+static void
+process_esd (abfd, esd, pass)
+     bfd *abfd;
+     struct ext_esd *esd;
+     int pass;
+{
+  /* Read through the ext def for the est entries */
+  int togo = esd->size - 2;
+  bfd_vma size;
+  bfd_vma start;
+  asection *sec;
+  char name[11];
+  unsigned char *ptr = esd->esd_entries;
+  unsigned char *end = ptr + togo;
+  while (ptr < end)
+    {
+      int scn = *ptr & 0xf;
+      int typ = (*ptr >> 4) & 0xf;
+
+      /* Declare this section */
+      sprintf (name, "%d", scn);
+      sec = bfd_make_section_old_way (abfd, strdup (name));
+      sec->target_index = scn;
+      EDATA (abfd, scn).section = sec;
+      ptr++;
+      switch (typ)
+	{
+	default:
+	  abort ();
+	case ESD_XREF_SEC:
+	case ESD_XREF_SYM:
+	  {
+	    int snum = VDATA (abfd)->ref_idx++;
+	    get_10 (&ptr, name);
+	    if (pass == 1)
+	      {
+		VDATA (abfd)->stringlen += strlen (name) + 1;
+	      }
+	    else
+	      {
+		int esidx;
+		asymbol *s;
+		char *n = new_symbol_string (abfd, name);
+		s = versados_new_symbol (abfd, snum, n, 0,
+					 &bfd_und_section, scn);
+		esidx = VDATA (abfd)->es_done++;
+		RDATA (abfd, esidx - ES_BASE) = s;
+	      }
+	  }
+	  break;
+
+
+	case ESD_ABS:
+	  size = get_4 (&ptr);
+	  start = get_4 (&ptr);
+	  break;
+	case ESD_STD_REL_SEC:
+	case ESD_SHRT_REL_SEC:
+	  {
+	    sec->_raw_size = get_4 (&ptr);
+	    sec->flags |= SEC_ALLOC;
+	  }
+	  break;
+	case ESD_XDEF_IN_ABS:
+	  sec = (asection *) & bfd_abs_section;
+	case ESD_XDEF_IN_SEC:
+	  {
+	    int snum = VDATA (abfd)->def_idx++;
+	    long val;
+	    get_10 (&ptr, name);
+	    val = get_4 (&ptr);
+	    if (pass == 1)
+	      {
+		/* Just remember the symbol */
+		VDATA (abfd)->stringlen += strlen (name) + 1;
+	      }
+	    else
+	      {
+		asymbol *s;
+		char *n = new_symbol_string (abfd, name);
+		s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
+		s->flags |= BSF_GLOBAL;
+	      }
+	  }
+	  break;
+	}
+    }
+}
+
+#define R_RELWORD 1
+#define R_RELLONG 2
+#define R_RELWORD_NEG 3
+#define R_RELLONG_NEG 4
+
+reloc_howto_type versados_howto_table[] =
+{
+  HOWTO (R_RELWORD, 0, 1, 16, false,
+	 0, complain_overflow_dont, 0,
+	 "+v16", true, 0x0000ffff, 0x0000ffff, false),
+  HOWTO (R_RELLONG, 0, 2, 32, false,
+	 0, complain_overflow_dont, 0,
+	 "+v32", true, 0xffffffff, 0xffffffff, false),
+
+  HOWTO (R_RELWORD_NEG, 0, -1, 16, false,
+	 0, complain_overflow_dont, 0,
+	 "-v16", true, 0x0000ffff, 0x0000ffff, false),
+  HOWTO (R_RELLONG_NEG, 0, -2, 32, false,
+	 0, complain_overflow_dont, 0,
+	 "-v32", true, 0xffffffff, 0xffffffff, false),
+};
+
+
+static int
+get_offset (len, ptr)
+     int len;
+     unsigned char *ptr;
+{
+  int val = 0;
+  if (len)
+    {
+      int i;
+      val = *ptr++;
+      if (val & 0x80)
+	val |= ~0xff;
+      for (i = 1; i < len; i++)
+	val = (val << 8) | *ptr++;
+    }
+
+  return val;
+}
+
+static void
+process_otr (abfd, otr, pass)
+     bfd *abfd;
+     struct ext_otr *otr;
+     int pass;
+{
+  unsigned long shift;
+  unsigned char *srcp = otr->data;
+  unsigned char *endp = (unsigned char *) otr + otr->size;
+  unsigned int bits = (otr->map[0] << 24)
+  | (otr->map[1] << 16)
+  | (otr->map[2] << 8)
+  | (otr->map[3] << 0);
+
+  struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
+  unsigned char *contents = esdid->contents;
+  int need_contents = 0;
+  unsigned int dst_idx = esdid->pc;
+
+  for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
+    {
+      if (bits & shift)
+	{
+	  int flag = *srcp++;
+	  int esdids = (flag >> 5) & 0x7;
+	  int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
+	  int offsetlen = flag & 0x7;
+	  int j;
+
+
+	  if (esdids == 0)
+	    {
+	      /* A zero esdid means the new pc is the offset given */
+	      dst_idx += get_offset (offsetlen, srcp);
+	      srcp += offsetlen;
+	    }
+	  else
+	    {
+	      int val = get_offset (offsetlen, srcp + esdids);
+	      if (pass == 1)
+		need_contents = 1;
+	      else
+		for (j = 0; j < sizeinwords * 2; j++)
+		  {
+		    contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
+		    val >>= 8;
+		  }
+
+	      for (j = 0; j < esdids; j++)
+		{
+		  int esdid = *srcp++;
+
+		  if (esdid)
+		    {
+		      int rn = EDATA (abfd, otr->esdid - 1).relocs++;
+		      if (pass == 1)
+			{
+			  /* this is the first pass over the data, 
+			     just remember that we need a reloc */
+			}
+		      else
+			{
+			  arelent *n =
+			  EDATA (abfd, otr->esdid - 1).section->relocation + rn;
+			  n->address = dst_idx;
+
+			  n->sym_ptr_ptr = (asymbol **) esdid;
+			  n->addend = 0;
+			  n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
+			}
+		    }
+		}
+	      srcp += offsetlen;
+	      dst_idx += sizeinwords * 2;
+	    }
+	}
+      else
+	{
+	  need_contents = 1;
+	  if (dst_idx < esdid->section->_raw_size)
+	    if (pass == 2)
+	      {
+		/* absolute code, comes in 16 bit lumps */
+		contents[dst_idx] = srcp[0];
+		contents[dst_idx + 1] = srcp[1];
+	      }
+	  dst_idx += 2;
+	  srcp += 2;
+	}
+    }
+  EDATA (abfd, otr->esdid - 1).pc = dst_idx;
+
+  if (!contents && need_contents)
+    esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
+
+
+}
+
+static boolean
+versados_scan (abfd)
+     bfd *abfd;
+{
+  int loop = 1;
+  int i;
+  int j;
+  int nsecs = 0;
+
+  VDATA (abfd)->nrefs = 0;
+  VDATA (abfd)->ndefs = 0;
+  VDATA (abfd)->ref_idx = 0;
+  VDATA (abfd)->def_idx = 0;
+
+  while (loop)
+    {
+      union ext_any any;
+      if (!get_record (abfd, &any))
+	return true;
+      switch (any.header.type)
+	{
+	case VHEADER:
+	  break;
+	case VEND:
+	  loop = 0;
+	  break;
+	case VESTDEF:
+	  process_esd (abfd, &any.esd, 1);
+	  break;
+	case VOTR:
+	  process_otr (abfd, &any.otr, 1);
+	  break;
+	}
+    }
+
+  /* Now allocate space for the relocs and sections */
+
+  VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
+  VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
+  VDATA (abfd)->ref_idx = 0;
+  VDATA (abfd)->def_idx = 0;
+
+  abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
+
+  for (i = 0; i < 16; i++)
+    {
+      struct esdid *esdid = &EDATA (abfd, i);
+      if (esdid->section)
+	{
+	  esdid->section->relocation
+	    = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
+
+	  esdid->pc = 0;
+
+	  if (esdid->contents)
+	    esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
+
+	  esdid->section->reloc_count = esdid->relocs;
+	  if (esdid->relocs)
+	    esdid->section->flags |= SEC_RELOC;
+
+	  esdid->relocs = 0;
+
+	  /* Add an entry into the symbol table for it */
+	  nsecs++;
+	  VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
+	}
+    }
+
+  abfd->symcount += nsecs;
+
+  VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
+				       sizeof (asymbol) * (abfd->symcount));
+
+  VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
+
+  if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
+      || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
+    return false;
+
+  /* Actually fill in the section symbols,
+     we stick them at the end of the table */
+
+  for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
+    {
+      struct esdid *esdid = &EDATA (abfd, i);
+      asection *sec = esdid->section;
+      if (sec)
+	{
+	  asymbol *s = VDATA (abfd)->symbols + j;
+	  s->name = new_symbol_string (abfd, sec->name);
+	  s->section = sec;
+	  s->flags = BSF_LOCAL;
+	  s->value = 0;
+	  s->the_bfd = abfd;
+	  j++;
+	}
+    }
+  if (abfd->symcount)
+    abfd->flags |= HAS_SYMS;
+
+  /* Set this to nsecs - since we've already planted the section
+     symbols */
+  VDATA (abfd)->nsecsyms = nsecs;
+
+  VDATA (abfd)->ref_idx = 0;
+
+  return 1;
+}
+
+
+
+/* Check whether an existing file is a versados  file.  */
+
+static const bfd_target *
+versados_object_p (abfd)
+     bfd *abfd;
+{
+  struct ext_vheader ext;
+  unsigned char len;
+
+  if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+    return NULL;
+
+  if (bfd_read (&len, 1, 1, abfd) != 1)
+    {
+      if (bfd_get_error () != bfd_error_system_call)
+	bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  if (bfd_read (&ext.type, 1, len, abfd) != len)
+    {
+      if (bfd_get_error () != bfd_error_system_call)
+	bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  /* We guess that the language field will never be larger than 10.
+     In sample files, it is always either 0 or 1.  Checking for this
+     prevents confusion with Intel Hex files.  */
+  if (ext.type != VHEADER
+      || ext.lang > 10)
+    {
+      bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  /* OK, looks like a record, build the tdata and read in.  */
+
+  if (!versados_mkobject (abfd)
+      || !versados_scan (abfd))
+    return NULL;
+
+  return abfd->xvec;
+}
+
+
+static boolean
+versados_pass_2 (abfd)
+     bfd *abfd;
+{
+  union ext_any any;
+
+  if (VDATA (abfd)->pass_2_done)
+    return 1;
+
+  if (bfd_seek (abfd, 0, SEEK_SET) != 0)
+    return 0;
+
+  VDATA (abfd)->es_done = ES_BASE;
+
+
+  /* read records till we get to where we want to be */
+
+  while (1)
+    {
+      get_record (abfd, &any);
+      switch (any.header.type)
+	{
+	case VEND:
+	  VDATA (abfd)->pass_2_done = 1;
+	  return 1;
+	case VESTDEF:
+	  process_esd (abfd, &any.esd, 2);
+	  break;
+	case VOTR:
+	  process_otr (abfd, &any.otr, 2);
+	  break;
+	}
+    }
+}
+
+static boolean
+versados_get_section_contents (abfd, section, location, offset, count)
+     bfd *abfd;
+     asection *section;
+     PTR location;
+     file_ptr offset;
+     bfd_size_type count;
+{
+  if (!versados_pass_2 (abfd))
+    return false;
+
+  memcpy (location,
+	  EDATA (abfd, section->target_index).contents + offset,
+	  (size_t) count);
+
+  return true;
+}
+
+#define versados_get_section_contents_in_window \
+  _bfd_generic_get_section_contents_in_window
+
+static boolean
+versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
+     bfd *abfd;
+     sec_ptr section;
+     PTR location;
+     file_ptr offset;
+     bfd_size_type bytes_to_do;
+{
+  return false;
+}
+
+
+/*ARGSUSED */
+static int
+versados_sizeof_headers (abfd, exec)
+     bfd *abfd;
+     boolean exec;
+{
+  return 0;
+}
+
+static asymbol *
+versados_make_empty_symbol (abfd)
+     bfd *abfd;
+{
+  asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
+  if (new)
+    new->the_bfd = abfd;
+  return new;
+}
+
+/* Return the amount of memory needed to read the symbol table.  */
+
+static long
+versados_get_symtab_upper_bound (abfd)
+     bfd *abfd;
+{
+  return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
+}
+
+/* Return the symbol table.  */
+
+static long
+versados_get_symtab (abfd, alocation)
+     bfd *abfd;
+     asymbol **alocation;
+{
+  unsigned int symcount = bfd_get_symcount (abfd);
+  unsigned int i;
+  asymbol *s;
+
+  versados_pass_2 (abfd);
+
+  for (i = 0, s = VDATA (abfd)->symbols;
+       i < symcount;
+       s++, i++)
+    {
+      *alocation++ = s;
+    }
+
+  *alocation = NULL;
+
+  return symcount;
+}
+
+/*ARGSUSED */
+void
+versados_get_symbol_info (ignore_abfd, symbol, ret)
+     bfd *ignore_abfd;
+     asymbol *symbol;
+     symbol_info *ret;
+{
+  bfd_symbol_info (symbol, ret);
+}
+
+/*ARGSUSED */
+void
+versados_print_symbol (ignore_abfd, afile, symbol, how)
+     bfd *ignore_abfd;
+     PTR afile;
+     asymbol *symbol;
+     bfd_print_symbol_type how;
+{
+  FILE *file = (FILE *) afile;
+  switch (how)
+    {
+    case bfd_print_symbol_name:
+      fprintf (file, "%s", symbol->name);
+      break;
+    default:
+      bfd_print_symbol_vandf ((PTR) file, symbol);
+      fprintf (file, " %-5s %s",
+	       symbol->section->name,
+	       symbol->name);
+
+    }
+}
+
+long
+versados_get_reloc_upper_bound (abfd, asect)
+     bfd *abfd;
+     sec_ptr asect;
+{
+  return (asect->reloc_count + 1) * sizeof (arelent *);
+}
+
+
+long
+versados_canonicalize_reloc (abfd, section, relptr, symbols)
+     bfd *abfd;
+     sec_ptr section;
+     arelent **relptr;
+     asymbol **symbols;
+{
+  unsigned int count;
+  arelent *src;
+
+  versados_pass_2 (abfd);
+  src = section->relocation;
+  if (!EDATA (abfd, section->target_index).donerel)
+    {
+      EDATA (abfd, section->target_index).donerel = 1;
+      /* translate from indexes to symptr ptrs */
+      for (count = 0; count < section->reloc_count; count++)
+	{
+	  int esdid = (int) src[count].sym_ptr_ptr;
+
+	  if (esdid == 0)
+	    {
+	      src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+	    }
+	  else if (esdid < ES_BASE)	/* Section relative thing */
+	    {
+	      struct esdid *e = &EDATA (abfd, esdid - 1);
+	      if (!section)
+		{
+		 /** relocation relative to section which was
+		   never declared ! */
+		}
+	      src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
+	    }
+	  else
+	    {
+	      src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
+	    }
+
+	}
+    }
+
+  for (count = 0; count < section->reloc_count; count++)
+    {
+      *relptr++ = src++;
+    }
+  *relptr = 0;
+  return section->reloc_count;
+}
+
+#define	versados_close_and_cleanup _bfd_generic_close_and_cleanup
+#define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define versados_new_section_hook _bfd_generic_new_section_hook
+
+#define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define versados_get_lineno _bfd_nosymbols_get_lineno
+#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define versados_read_minisymbols _bfd_generic_read_minisymbols
+#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+
+#define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+
+#define versados_set_arch_mach bfd_default_set_arch_mach
+
+#define versados_bfd_get_relocated_section_contents \
+  bfd_generic_get_relocated_section_contents
+#define versados_bfd_relax_section bfd_generic_relax_section
+#define versados_bfd_gc_sections bfd_generic_gc_sections
+#define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define versados_bfd_final_link _bfd_generic_final_link
+#define versados_bfd_link_split_section _bfd_generic_link_split_section
+
+const bfd_target versados_vec =
+{
+  "versados",			/* name */
+  bfd_target_versados_flavour,
+  BFD_ENDIAN_BIG,		/* target byte order */
+  BFD_ENDIAN_BIG,		/* target headers byte order */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
+   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),		/* section flags */
+  0,				/* leading underscore */
+  ' ',				/* ar_pad_char */
+  16,				/* ar_max_namelen */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
+
+  {
+    _bfd_dummy_target,
+    versados_object_p,		/* bfd_check_format */
+    _bfd_dummy_target,
+    _bfd_dummy_target,
+  },
+  {
+    bfd_false,
+    versados_mkobject,
+    _bfd_generic_mkarchive,
+    bfd_false,
+  },
+  {				/* bfd_write_contents */
+    bfd_false,
+    bfd_false,
+    _bfd_write_archive_contents,
+    bfd_false,
+  },
+
+  BFD_JUMP_TABLE_GENERIC (versados),
+  BFD_JUMP_TABLE_COPY (_bfd_generic),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+  BFD_JUMP_TABLE_SYMBOLS (versados),
+  BFD_JUMP_TABLE_RELOCS (versados),
+  BFD_JUMP_TABLE_WRITE (versados),
+  BFD_JUMP_TABLE_LINK (versados),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  (PTR) 0
+};