Initial revision

1 files changed, 2752 insertions, 0 deletions

diff --git a/bfd/cofflink.c b/bfd/cofflink.c
new file mode 100644
index 00000000000..cf56869fe65
--- /dev/null
+++ b/bfd/cofflink.c
@@ -0,0 +1,2752 @@
+/* COFF specific linker code.
+   Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Written by Ian Lance Taylor, Cygnus Support.
+
+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.  */
+
+/* This file contains the COFF backend linker code.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "libbfd.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+static boolean coff_link_add_object_symbols
+  PARAMS ((bfd *, struct bfd_link_info *));
+static boolean coff_link_check_archive_element
+  PARAMS ((bfd *, struct bfd_link_info *, boolean *));
+static boolean coff_link_check_ar_symbols
+  PARAMS ((bfd *, struct bfd_link_info *, boolean *));
+static boolean coff_link_add_symbols PARAMS ((bfd *, struct bfd_link_info *));
+static char *dores_com PARAMS ((char *, bfd *, int));
+static char *get_name PARAMS ((char *, char **));
+static int process_embedded_commands
+  PARAMS ((bfd *, struct bfd_link_info *, bfd *));
+static void mark_relocs PARAMS ((struct coff_final_link_info *, bfd *));
+
+/* Create an entry in a COFF linker hash table.  */
+
+struct bfd_hash_entry *
+_bfd_coff_link_hash_newfunc (entry, table, string)
+     struct bfd_hash_entry *entry;
+     struct bfd_hash_table *table;
+     const char *string;
+{
+  struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry;
+
+  /* Allocate the structure if it has not already been allocated by a
+     subclass.  */
+  if (ret == (struct coff_link_hash_entry *) NULL)
+    ret = ((struct coff_link_hash_entry *)
+	   bfd_hash_allocate (table, sizeof (struct coff_link_hash_entry)));
+  if (ret == (struct coff_link_hash_entry *) NULL)
+    return (struct bfd_hash_entry *) ret;
+
+  /* Call the allocation method of the superclass.  */
+  ret = ((struct coff_link_hash_entry *)
+	 _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret,
+				 table, string));
+  if (ret != (struct coff_link_hash_entry *) NULL)
+    {
+      /* Set local fields.  */
+      ret->indx = -1;
+      ret->type = T_NULL;
+      ret->class = C_NULL;
+      ret->numaux = 0;
+      ret->auxbfd = NULL;
+      ret->aux = NULL;
+    }
+
+  return (struct bfd_hash_entry *) ret;
+}
+
+/* Initialize a COFF linker hash table.  */
+
+boolean
+_bfd_coff_link_hash_table_init (table, abfd, newfunc)
+     struct coff_link_hash_table *table;
+     bfd *abfd;
+     struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
+						struct bfd_hash_table *,
+						const char *));
+{
+  table->stab_info = NULL;
+  return _bfd_link_hash_table_init (&table->root, abfd, newfunc);
+}
+
+/* Create a COFF linker hash table.  */
+
+struct bfd_link_hash_table *
+_bfd_coff_link_hash_table_create (abfd)
+     bfd *abfd;
+{
+  struct coff_link_hash_table *ret;
+
+  ret = ((struct coff_link_hash_table *)
+	 bfd_alloc (abfd, sizeof (struct coff_link_hash_table)));
+  if (ret == NULL)
+    return NULL;
+  if (! _bfd_coff_link_hash_table_init (ret, abfd,
+					_bfd_coff_link_hash_newfunc))
+    {
+      bfd_release (abfd, ret);
+      return (struct bfd_link_hash_table *) NULL;
+    }
+  return &ret->root;
+}
+
+/* Create an entry in a COFF debug merge hash table.  */
+
+struct bfd_hash_entry *
+_bfd_coff_debug_merge_hash_newfunc (entry, table, string)
+     struct bfd_hash_entry *entry;
+     struct bfd_hash_table *table;
+     const char *string;
+{
+  struct coff_debug_merge_hash_entry *ret =
+    (struct coff_debug_merge_hash_entry *) entry;
+
+  /* Allocate the structure if it has not already been allocated by a
+     subclass.  */
+  if (ret == (struct coff_debug_merge_hash_entry *) NULL)
+    ret = ((struct coff_debug_merge_hash_entry *)
+	   bfd_hash_allocate (table,
+			      sizeof (struct coff_debug_merge_hash_entry)));
+  if (ret == (struct coff_debug_merge_hash_entry *) NULL)
+    return (struct bfd_hash_entry *) ret;
+
+  /* Call the allocation method of the superclass.  */
+  ret = ((struct coff_debug_merge_hash_entry *)
+	 bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
+  if (ret != (struct coff_debug_merge_hash_entry *) NULL)
+    {
+      /* Set local fields.  */
+      ret->types = NULL;
+    }
+
+  return (struct bfd_hash_entry *) ret;
+}
+
+/* Given a COFF BFD, add symbols to the global hash table as
+   appropriate.  */
+
+boolean
+_bfd_coff_link_add_symbols (abfd, info)
+     bfd *abfd;
+     struct bfd_link_info *info;
+{
+  switch (bfd_get_format (abfd))
+    {
+    case bfd_object:
+      return coff_link_add_object_symbols (abfd, info);
+    case bfd_archive:
+      return (_bfd_generic_link_add_archive_symbols
+	      (abfd, info, coff_link_check_archive_element));
+    default:
+      bfd_set_error (bfd_error_wrong_format);
+      return false;
+    }
+}
+
+/* Add symbols from a COFF object file.  */
+
+static boolean
+coff_link_add_object_symbols (abfd, info)
+     bfd *abfd;
+     struct bfd_link_info *info;
+{
+  if (! _bfd_coff_get_external_symbols (abfd))
+    return false;
+  if (! coff_link_add_symbols (abfd, info))
+    return false;
+
+  if (! info->keep_memory)
+    {
+      if (! _bfd_coff_free_symbols (abfd))
+	return false;
+    }
+  return true;
+}
+
+/* Check a single archive element to see if we need to include it in
+   the link.  *PNEEDED is set according to whether this element is
+   needed in the link or not.  This is called via
+   _bfd_generic_link_add_archive_symbols.  */
+
+static boolean
+coff_link_check_archive_element (abfd, info, pneeded)
+     bfd *abfd;
+     struct bfd_link_info *info;
+     boolean *pneeded;
+{
+  if (! _bfd_coff_get_external_symbols (abfd))
+    return false;
+
+  if (! coff_link_check_ar_symbols (abfd, info, pneeded))
+    return false;
+
+  if (*pneeded)
+    {
+      if (! coff_link_add_symbols (abfd, info))
+	return false;
+    }
+
+  if (! info->keep_memory || ! *pneeded)
+    {
+      if (! _bfd_coff_free_symbols (abfd))
+	return false;
+    }
+
+  return true;
+}
+
+/* Look through the symbols to see if this object file should be
+   included in the link.  */
+
+static boolean
+coff_link_check_ar_symbols (abfd, info, pneeded)
+     bfd *abfd;
+     struct bfd_link_info *info;
+     boolean *pneeded;
+{
+  boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *));
+  bfd_size_type symesz;
+  bfd_byte *esym;
+  bfd_byte *esym_end;
+
+  *pneeded = false;
+
+  sym_is_global = coff_backend_info (abfd)->_bfd_coff_sym_is_global;
+
+  symesz = bfd_coff_symesz (abfd);
+  esym = (bfd_byte *) obj_coff_external_syms (abfd);
+  esym_end = esym + obj_raw_syment_count (abfd) * symesz;
+  while (esym < esym_end)
+    {
+      struct internal_syment sym;
+
+      bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym);
+
+      if ((sym.n_sclass == C_EXT
+	   || sym.n_sclass == C_WEAKEXT
+	   || (obj_pe (abfd) && sym.n_sclass == C_NT_WEAK)
+#ifdef C_SYSTEM
+	   || sym.n_sclass == C_SYSTEM
+#endif
+	   || (sym_is_global && (*sym_is_global) (abfd, &sym)))
+	  && (sym.n_scnum != 0 || sym.n_value != 0))
+	{
+	  const char *name;
+	  char buf[SYMNMLEN + 1];
+	  struct bfd_link_hash_entry *h;
+
+	  /* This symbol is externally visible, and is defined by this
+             object file.  */
+
+	  name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
+	  if (name == NULL)
+	    return false;
+	  h = bfd_link_hash_lookup (info->hash, name, false, false, true);
+
+	  /* We are only interested in symbols that are currently
+	     undefined.  If a symbol is currently known to be common,
+	     COFF linkers do not bring in an object file which defines
+	     it.  */
+	  if (h != (struct bfd_link_hash_entry *) NULL
+	      && h->type == bfd_link_hash_undefined)
+	    {
+	      if (! (*info->callbacks->add_archive_element) (info, abfd, name))
+		return false;
+	      *pneeded = true;
+	      return true;
+	    }
+	}
+
+      esym += (sym.n_numaux + 1) * symesz;
+    }
+
+  /* We do not need this object file.  */
+  return true;
+}
+
+/* Add all the symbols from an object file to the hash table.  */
+
+static boolean
+coff_link_add_symbols (abfd, info)
+     bfd *abfd;
+     struct bfd_link_info *info;
+{
+  boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *));
+  boolean keep_syms;
+  boolean default_copy;
+  bfd_size_type symcount;
+  struct coff_link_hash_entry **sym_hash;
+  bfd_size_type symesz;
+  bfd_byte *esym;
+  bfd_byte *esym_end;
+
+  /* Keep the symbols during this function, in case the linker needs
+     to read the generic symbols in order to report an error message.  */
+  keep_syms = obj_coff_keep_syms (abfd);
+  obj_coff_keep_syms (abfd) = true;
+
+  sym_is_global = coff_backend_info (abfd)->_bfd_coff_sym_is_global;
+
+  if (info->keep_memory)
+    default_copy = false;
+  else
+    default_copy = true;
+
+  symcount = obj_raw_syment_count (abfd);
+
+  /* We keep a list of the linker hash table entries that correspond
+     to particular symbols.  */
+  sym_hash = ((struct coff_link_hash_entry **)
+	      bfd_alloc (abfd,
+			 ((size_t) symcount
+			  * sizeof (struct coff_link_hash_entry *))));
+  if (sym_hash == NULL && symcount != 0)
+    goto error_return;
+  obj_coff_sym_hashes (abfd) = sym_hash;
+  memset (sym_hash, 0,
+	  (size_t) symcount * sizeof (struct coff_link_hash_entry *));
+
+  symesz = bfd_coff_symesz (abfd);
+  BFD_ASSERT (symesz == bfd_coff_auxesz (abfd));
+  esym = (bfd_byte *) obj_coff_external_syms (abfd);
+  esym_end = esym + symcount * symesz;
+  while (esym < esym_end)
+    {
+      struct internal_syment sym;
+      boolean copy;
+
+      bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym);
+
+      if (sym.n_sclass == C_EXT
+	   || sym.n_sclass == C_WEAKEXT
+	   || (obj_pe (abfd) && sym.n_sclass == C_NT_WEAK)
+#ifdef C_SYSTEM
+	  || sym.n_sclass == C_SYSTEM
+#endif
+	  || (sym_is_global && (*sym_is_global) (abfd, &sym)))
+	{
+	  const char *name;
+	  char buf[SYMNMLEN + 1];
+	  flagword flags;
+	  asection *section;
+	  bfd_vma value;
+
+	  /* This symbol is externally visible.  */
+
+	  name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
+	  if (name == NULL)
+	    goto error_return;
+
+	  /* We must copy the name into memory if we got it from the
+             syment itself, rather than the string table.  */
+	  copy = default_copy;
+	  if (sym._n._n_n._n_zeroes != 0
+	      || sym._n._n_n._n_offset == 0)
+	    copy = true;
+
+	  value = sym.n_value;
+
+	  if (sym.n_scnum == 0)
+	    {
+	      if (value == 0)
+		{
+		  flags = 0;
+		  section = bfd_und_section_ptr;
+		}
+	      else
+		{
+		  flags = BSF_GLOBAL;
+		  section = bfd_com_section_ptr;
+		}
+	    }
+	  else
+	    {
+	      flags = BSF_EXPORT | BSF_GLOBAL;
+	      section = coff_section_from_bfd_index (abfd, sym.n_scnum);
+	      if (! obj_pe (abfd))
+		value -= section->vma;
+	    }
+
+	  if (sym.n_sclass == C_WEAKEXT
+	      || (obj_pe (abfd) && sym.n_sclass == C_NT_WEAK))
+	    flags = BSF_WEAK;
+
+	  if (! (bfd_coff_link_add_one_symbol
+		 (info, abfd, name, flags, section, value,
+		  (const char *) NULL, copy, false,
+		  (struct bfd_link_hash_entry **) sym_hash)))
+	    goto error_return;
+
+	  if (section == bfd_com_section_ptr
+	      && (*sym_hash)->root.type == bfd_link_hash_common
+	      && ((*sym_hash)->root.u.c.p->alignment_power
+		  > bfd_coff_default_section_alignment_power (abfd)))
+	    (*sym_hash)->root.u.c.p->alignment_power
+	      = bfd_coff_default_section_alignment_power (abfd);
+
+	  if (info->hash->creator->flavour == bfd_get_flavour (abfd))
+	    {
+	      if (((*sym_hash)->class == C_NULL
+		   && (*sym_hash)->type == T_NULL)
+		  || sym.n_scnum != 0
+		  || (sym.n_value != 0
+		      && (*sym_hash)->root.type != bfd_link_hash_defined
+		      && (*sym_hash)->root.type != bfd_link_hash_defweak))
+		{
+		  (*sym_hash)->class = sym.n_sclass;
+		  if (sym.n_type != T_NULL)
+		    {
+		      if ((*sym_hash)->type != T_NULL
+			  && (*sym_hash)->type != sym.n_type)
+			(*_bfd_error_handler)
+			  (_("Warning: type of symbol `%s' changed from %d to %d in %s"),
+			   name, (*sym_hash)->type, sym.n_type,
+			   bfd_get_filename (abfd));
+		      (*sym_hash)->type = sym.n_type;
+		    }
+		  (*sym_hash)->auxbfd = abfd;
+		  if (sym.n_numaux != 0)
+		    {
+		      union internal_auxent *alloc;
+		      unsigned int i;
+		      bfd_byte *eaux;
+		      union internal_auxent *iaux;
+
+		      (*sym_hash)->numaux = sym.n_numaux;
+		      alloc = ((union internal_auxent *)
+			       bfd_hash_allocate (&info->hash->table,
+						  (sym.n_numaux
+						   * sizeof (*alloc))));
+		      if (alloc == NULL)
+			goto error_return;
+		      for (i = 0, eaux = esym + symesz, iaux = alloc;
+			   i < sym.n_numaux;
+			   i++, eaux += symesz, iaux++)
+			bfd_coff_swap_aux_in (abfd, (PTR) eaux, sym.n_type,
+					      sym.n_sclass, i, sym.n_numaux,
+					      (PTR) iaux);
+		      (*sym_hash)->aux = alloc;
+		    }
+		}
+	    }
+	}
+
+      esym += (sym.n_numaux + 1) * symesz;
+      sym_hash += sym.n_numaux + 1;
+    }
+
+  /* If this is a non-traditional, non-relocateable link, try to
+     optimize the handling of any .stab/.stabstr sections.  */
+  if (! info->relocateable
+      && ! info->traditional_format
+      && info->hash->creator->flavour == bfd_get_flavour (abfd)
+      && (info->strip != strip_all && info->strip != strip_debugger))
+    {
+      asection *stab, *stabstr;
+
+      stab = bfd_get_section_by_name (abfd, ".stab");
+      if (stab != NULL)
+	{
+	  stabstr = bfd_get_section_by_name (abfd, ".stabstr");
+
+	  if (stabstr != NULL)
+	    {
+	      struct coff_link_hash_table *table;
+	      struct coff_section_tdata *secdata;
+
+	      secdata = coff_section_data (abfd, stab);
+	      if (secdata == NULL)
+		{
+		  stab->used_by_bfd =
+		    (PTR) bfd_zalloc (abfd,
+				      sizeof (struct coff_section_tdata));
+		  if (stab->used_by_bfd == NULL)
+		    goto error_return;
+		  secdata = coff_section_data (abfd, stab);
+		}
+
+	      table = coff_hash_table (info);
+
+	      if (! _bfd_link_section_stabs (abfd, &table->stab_info,
+					     stab, stabstr,
+					     &secdata->stab_info))
+		goto error_return;
+	    }
+	}
+    }
+
+  obj_coff_keep_syms (abfd) = keep_syms;
+
+  return true;
+
+ error_return:
+  obj_coff_keep_syms (abfd) = keep_syms;
+  return false;
+}
+
+/* Do the final link step.  */
+
+boolean
+_bfd_coff_final_link (abfd, info)
+     bfd *abfd;
+     struct bfd_link_info *info;
+{
+  bfd_size_type symesz;
+  struct coff_final_link_info finfo;
+  boolean debug_merge_allocated;
+  boolean long_section_names;
+  asection *o;
+  struct bfd_link_order *p;
+  size_t max_sym_count;
+  size_t max_lineno_count;
+  size_t max_reloc_count;
+  size_t max_output_reloc_count;
+  size_t max_contents_size;
+  file_ptr rel_filepos;
+  unsigned int relsz;
+  file_ptr line_filepos;
+  unsigned int linesz;
+  bfd *sub;
+  bfd_byte *external_relocs = NULL;
+  char strbuf[STRING_SIZE_SIZE];
+
+  symesz = bfd_coff_symesz (abfd);
+
+  finfo.info = info;
+  finfo.output_bfd = abfd;
+  finfo.strtab = NULL;
+  finfo.section_info = NULL;
+  finfo.last_file_index = -1;
+  finfo.last_bf_index = -1;
+  finfo.internal_syms = NULL;
+  finfo.sec_ptrs = NULL;
+  finfo.sym_indices = NULL;
+  finfo.outsyms = NULL;
+  finfo.linenos = NULL;
+  finfo.contents = NULL;
+  finfo.external_relocs = NULL;
+  finfo.internal_relocs = NULL;
+  finfo.global_to_static = false;
+  debug_merge_allocated = false;
+
+  coff_data (abfd)->link_info = info;
+
+  finfo.strtab = _bfd_stringtab_init ();
+  if (finfo.strtab == NULL)
+    goto error_return;
+
+  if (! coff_debug_merge_hash_table_init (&finfo.debug_merge))
+    goto error_return;
+  debug_merge_allocated = true;
+
+  /* Compute the file positions for all the sections.  */
+  if (! abfd->output_has_begun)
+    {
+      if (! bfd_coff_compute_section_file_positions (abfd))
+	goto error_return;
+    }
+
+  /* Count the line numbers and relocation entries required for the
+     output file.  Set the file positions for the relocs.  */
+  rel_filepos = obj_relocbase (abfd);
+  relsz = bfd_coff_relsz (abfd);
+  max_contents_size = 0;
+  max_lineno_count = 0;
+  max_reloc_count = 0;
+
+  long_section_names = false;
+  for (o = abfd->sections; o != NULL; o = o->next)
+    {
+      o->reloc_count = 0;
+      o->lineno_count = 0;
+      for (p = o->link_order_head; p != NULL; p = p->next)
+	{
+	  if (p->type == bfd_indirect_link_order)
+	    {
+	      asection *sec;
+
+	      sec = p->u.indirect.section;
+
+	      /* Mark all sections which are to be included in the
+		 link.  This will normally be every section.  We need
+		 to do this so that we can identify any sections which
+		 the linker has decided to not include.  */
+	      sec->linker_mark = true;
+
+	      if (info->strip == strip_none
+		  || info->strip == strip_some)
+		o->lineno_count += sec->lineno_count;
+
+	      if (info->relocateable)
+		o->reloc_count += sec->reloc_count;
+
+	      if (sec->_raw_size > max_contents_size)
+		max_contents_size = sec->_raw_size;
+	      if (sec->lineno_count > max_lineno_count)
+		max_lineno_count = sec->lineno_count;
+	      if (sec->reloc_count > max_reloc_count)
+		max_reloc_count = sec->reloc_count;
+	    }
+	  else if (info->relocateable
+		   && (p->type == bfd_section_reloc_link_order
+		       || p->type == bfd_symbol_reloc_link_order))
+	    ++o->reloc_count;
+	}
+      if (o->reloc_count == 0)
+	o->rel_filepos = 0;
+      else
+	{
+	  o->flags |= SEC_RELOC;
+	  o->rel_filepos = rel_filepos;
+	  rel_filepos += o->reloc_count * relsz;
+	}
+
+      if (bfd_coff_long_section_names (abfd)
+	  && strlen (o->name) > SCNNMLEN)
+	{
+	  /* This section has a long name which must go in the string
+             table.  This must correspond to the code in
+             coff_write_object_contents which puts the string index
+             into the s_name field of the section header.  That is why
+             we pass hash as false.  */
+	  if (_bfd_stringtab_add (finfo.strtab, o->name, false, false)
+	      == (bfd_size_type) -1)
+	    goto error_return;
+	  long_section_names = true;
+	}
+    }
+
+  /* If doing a relocateable link, allocate space for the pointers we
+     need to keep.  */
+  if (info->relocateable)
+    {
+      unsigned int i;
+
+      /* We use section_count + 1, rather than section_count, because
+         the target_index fields are 1 based.  */
+      finfo.section_info =
+	((struct coff_link_section_info *)
+	 bfd_malloc ((abfd->section_count + 1)
+		     * sizeof (struct coff_link_section_info)));
+      if (finfo.section_info == NULL)
+	goto error_return;
+      for (i = 0; i <= abfd->section_count; i++)
+	{
+	  finfo.section_info[i].relocs = NULL;
+	  finfo.section_info[i].rel_hashes = NULL;
+	}
+    }
+
+  /* We now know the size of the relocs, so we can determine the file
+     positions of the line numbers.  */
+  line_filepos = rel_filepos;
+  linesz = bfd_coff_linesz (abfd);
+  max_output_reloc_count = 0;
+  for (o = abfd->sections; o != NULL; o = o->next)
+    {
+      if (o->lineno_count == 0)
+	o->line_filepos = 0;
+      else
+	{
+	  o->line_filepos = line_filepos;
+	  line_filepos += o->lineno_count * linesz;
+	}
+
+      if (o->reloc_count != 0)
+	{
+	  /* We don't know the indices of global symbols until we have
+             written out all the local symbols.  For each section in
+             the output file, we keep an array of pointers to hash
+             table entries.  Each entry in the array corresponds to a
+             reloc.  When we find a reloc against a global symbol, we
+             set the corresponding entry in this array so that we can
+             fix up the symbol index after we have written out all the
+             local symbols.
+
+	     Because of this problem, we also keep the relocs in
+	     memory until the end of the link.  This wastes memory,
+	     but only when doing a relocateable link, which is not the
+	     common case.  */
+	  BFD_ASSERT (info->relocateable);
+	  finfo.section_info[o->target_index].relocs =
+	    ((struct internal_reloc *)
+	     bfd_malloc (o->reloc_count * sizeof (struct internal_reloc)));
+	  finfo.section_info[o->target_index].rel_hashes =
+	    ((struct coff_link_hash_entry **)
+	     bfd_malloc (o->reloc_count
+		     * sizeof (struct coff_link_hash_entry *)));
+	  if (finfo.section_info[o->target_index].relocs == NULL
+	      || finfo.section_info[o->target_index].rel_hashes == NULL)
+	    goto error_return;
+
+	  if (o->reloc_count > max_output_reloc_count)
+	    max_output_reloc_count = o->reloc_count;
+	}
+
+      /* Reset the reloc and lineno counts, so that we can use them to
+	 count the number of entries we have output so far.  */
+      o->reloc_count = 0;
+      o->lineno_count = 0;
+    }
+
+  obj_sym_filepos (abfd) = line_filepos;
+
+  /* Figure out the largest number of symbols in an input BFD.  Take
+     the opportunity to clear the output_has_begun fields of all the
+     input BFD's.  */
+  max_sym_count = 0;
+  for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+    {
+      size_t sz;
+
+      sub->output_has_begun = false;
+      sz = obj_raw_syment_count (sub);
+      if (sz > max_sym_count)
+	max_sym_count = sz;
+    }
+
+  /* Allocate some buffers used while linking.  */
+  finfo.internal_syms = ((struct internal_syment *)
+			 bfd_malloc (max_sym_count
+				     * sizeof (struct internal_syment)));
+  finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count
+					     * sizeof (asection *));
+  finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long));
+  finfo.outsyms = ((bfd_byte *)
+		   bfd_malloc ((size_t) ((max_sym_count + 1) * symesz)));
+  finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count
+				       * bfd_coff_linesz (abfd));
+  finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size);
+  finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz);
+  if (! info->relocateable)
+    finfo.internal_relocs = ((struct internal_reloc *)
+			     bfd_malloc (max_reloc_count
+					 * sizeof (struct internal_reloc)));
+  if ((finfo.internal_syms == NULL && max_sym_count > 0)
+      || (finfo.sec_ptrs == NULL && max_sym_count > 0)
+      || (finfo.sym_indices == NULL && max_sym_count > 0)
+      || finfo.outsyms == NULL
+      || (finfo.linenos == NULL && max_lineno_count > 0)
+      || (finfo.contents == NULL && max_contents_size > 0)
+      || (finfo.external_relocs == NULL && max_reloc_count > 0)
+      || (! info->relocateable
+	  && finfo.internal_relocs == NULL
+	  && max_reloc_count > 0))
+    goto error_return;
+
+  /* We now know the position of everything in the file, except that
+     we don't know the size of the symbol table and therefore we don't
+     know where the string table starts.  We just build the string
+     table in memory as we go along.  We process all the relocations
+     for a single input file at once.  */
+  obj_raw_syment_count (abfd) = 0;
+
+  if (coff_backend_info (abfd)->_bfd_coff_start_final_link)
+    {
+      if (! bfd_coff_start_final_link (abfd, info))
+	goto error_return;
+    }
+
+  for (o = abfd->sections; o != NULL; o = o->next)
+    {
+      for (p = o->link_order_head; p != NULL; p = p->next)
+	{
+	  if (p->type == bfd_indirect_link_order
+	      && (bfd_get_flavour (p->u.indirect.section->owner)
+		  == bfd_target_coff_flavour))
+	    {
+	      sub = p->u.indirect.section->owner;
+	      if (! bfd_coff_link_output_has_begun (sub, & finfo))
+		{
+		  if (! _bfd_coff_link_input_bfd (&finfo, sub))
+		    goto error_return;
+		  sub->output_has_begun = true;
+		}
+	    }
+	  else if (p->type == bfd_section_reloc_link_order
+		   || p->type == bfd_symbol_reloc_link_order)
+	    {
+	      if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p))
+		goto error_return;
+	    }
+	  else
+	    {
+	      if (! _bfd_default_link_order (abfd, info, o, p))
+		goto error_return;
+	    }
+	}
+    }
+
+  if (! bfd_coff_final_link_postscript (abfd, & finfo))
+    goto error_return;
+  
+  /* Free up the buffers used by _bfd_coff_link_input_bfd.  */
+
+  coff_debug_merge_hash_table_free (&finfo.debug_merge);
+  debug_merge_allocated = false;
+
+  if (finfo.internal_syms != NULL)
+    {
+      free (finfo.internal_syms);
+      finfo.internal_syms = NULL;
+    }
+  if (finfo.sec_ptrs != NULL)
+    {
+      free (finfo.sec_ptrs);
+      finfo.sec_ptrs = NULL;
+    }
+  if (finfo.sym_indices != NULL)
+    {
+      free (finfo.sym_indices);
+      finfo.sym_indices = NULL;
+    }
+  if (finfo.linenos != NULL)
+    {
+      free (finfo.linenos);
+      finfo.linenos = NULL;
+    }
+  if (finfo.contents != NULL)
+    {
+      free (finfo.contents);
+      finfo.contents = NULL;
+    }
+  if (finfo.external_relocs != NULL)
+    {
+      free (finfo.external_relocs);
+      finfo.external_relocs = NULL;
+    }
+  if (finfo.internal_relocs != NULL)
+    {
+      free (finfo.internal_relocs);
+      finfo.internal_relocs = NULL;
+    }
+
+  /* The value of the last C_FILE symbol is supposed to be the symbol
+     index of the first external symbol.  Write it out again if
+     necessary.  */
+  if (finfo.last_file_index != -1
+      && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd))
+    {
+      finfo.last_file.n_value = obj_raw_syment_count (abfd);
+      bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file,
+			     (PTR) finfo.outsyms);
+      if (bfd_seek (abfd,
+		    (obj_sym_filepos (abfd)
+		     + finfo.last_file_index * symesz),
+		    SEEK_SET) != 0
+	  || bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz)
+	return false;
+    }
+
+  /* If doing task linking (ld --task-link) then make a pass through the
+     global symbols, writing out any that are defined, and making them
+     static. */
+  if (info->task_link)
+    {
+      finfo.failed = false;
+      coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_task_globals,
+			       (PTR) &finfo);
+      if (finfo.failed)
+	goto error_return;
+    }
+
+  /* Write out the global symbols.  */
+  finfo.failed = false;
+  coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym,
+			   (PTR) &finfo);
+  if (finfo.failed)
+    goto error_return;
+
+  /* The outsyms buffer is used by _bfd_coff_write_global_sym.  */
+  if (finfo.outsyms != NULL)
+    {
+      free (finfo.outsyms);
+      finfo.outsyms = NULL;
+    }
+
+  if (info->relocateable && max_output_reloc_count > 0)
+    {
+      /* Now that we have written out all the global symbols, we know
+	 the symbol indices to use for relocs against them, and we can
+	 finally write out the relocs.  */
+      external_relocs = ((bfd_byte *)
+			 bfd_malloc (max_output_reloc_count * relsz));
+      if (external_relocs == NULL)
+	goto error_return;
+
+      for (o = abfd->sections; o != NULL; o = o->next)
+	{
+	  struct internal_reloc *irel;
+	  struct internal_reloc *irelend;
+	  struct coff_link_hash_entry **rel_hash;
+	  bfd_byte *erel;
+
+	  if (o->reloc_count == 0)
+	    continue;
+
+	  irel = finfo.section_info[o->target_index].relocs;
+	  irelend = irel + o->reloc_count;
+	  rel_hash = finfo.section_info[o->target_index].rel_hashes;
+	  erel = external_relocs;
+	  for (; irel < irelend; irel++, rel_hash++, erel += relsz)
+	    {
+	      if (*rel_hash != NULL)
+		{
+		  BFD_ASSERT ((*rel_hash)->indx >= 0);
+		  irel->r_symndx = (*rel_hash)->indx;
+		}
+	      bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel);
+	    }
+
+	  if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0
+	      || bfd_write ((PTR) external_relocs, relsz, o->reloc_count,
+			    abfd) != relsz * o->reloc_count)
+	    goto error_return;
+	}
+
+      free (external_relocs);
+      external_relocs = NULL;
+    }
+
+  /* Free up the section information.  */
+  if (finfo.section_info != NULL)
+    {
+      unsigned int i;
+
+      for (i = 0; i < abfd->section_count; i++)
+	{
+	  if (finfo.section_info[i].relocs != NULL)
+	    free (finfo.section_info[i].relocs);
+	  if (finfo.section_info[i].rel_hashes != NULL)
+	    free (finfo.section_info[i].rel_hashes);
+	}
+      free (finfo.section_info);
+      finfo.section_info = NULL;
+    }
+
+  /* If we have optimized stabs strings, output them.  */
+  if (coff_hash_table (info)->stab_info != NULL)
+    {
+      if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info))
+	return false;
+    }
+
+  /* Write out the string table.  */
+  if (obj_raw_syment_count (abfd) != 0 || long_section_names)
+    {
+      if (bfd_seek (abfd,
+		    (obj_sym_filepos (abfd)
+		     + obj_raw_syment_count (abfd) * symesz),
+		    SEEK_SET) != 0)
+	return false;
+
+#if STRING_SIZE_SIZE == 4
+      bfd_h_put_32 (abfd,
+		    _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE,
+		    (bfd_byte *) strbuf);
+#else
+ #error Change bfd_h_put_32
+#endif
+
+      if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE)
+	return false;
+
+      if (! _bfd_stringtab_emit (abfd, finfo.strtab))
+	return false;
+    }
+
+  _bfd_stringtab_free (finfo.strtab);
+
+  /* Setting bfd_get_symcount to 0 will cause write_object_contents to
+     not try to write out the symbols.  */
+  bfd_get_symcount (abfd) = 0;
+
+  return true;
+
+ error_return:
+  if (debug_merge_allocated)
+    coff_debug_merge_hash_table_free (&finfo.debug_merge);
+  if (finfo.strtab != NULL)
+    _bfd_stringtab_free (finfo.strtab);
+  if (finfo.section_info != NULL)
+    {
+      unsigned int i;
+
+      for (i = 0; i < abfd->section_count; i++)
+	{
+	  if (finfo.section_info[i].relocs != NULL)
+	    free (finfo.section_info[i].relocs);
+	  if (finfo.section_info[i].rel_hashes != NULL)
+	    free (finfo.section_info[i].rel_hashes);
+	}
+      free (finfo.section_info);
+    }
+  if (finfo.internal_syms != NULL)
+    free (finfo.internal_syms);
+  if (finfo.sec_ptrs != NULL)
+    free (finfo.sec_ptrs);
+  if (finfo.sym_indices != NULL)
+    free (finfo.sym_indices);
+  if (finfo.outsyms != NULL)
+    free (finfo.outsyms);
+  if (finfo.linenos != NULL)
+    free (finfo.linenos);
+  if (finfo.contents != NULL)
+    free (finfo.contents);
+  if (finfo.external_relocs != NULL)
+    free (finfo.external_relocs);
+  if (finfo.internal_relocs != NULL)
+    free (finfo.internal_relocs);
+  if (external_relocs != NULL)
+    free (external_relocs);
+  return false;
+}
+
+/* parse out a -heap <reserved>,<commit> line */
+
+static char *
+dores_com (ptr, output_bfd, heap)
+     char *ptr;
+     bfd *output_bfd;
+     int heap;
+{
+  if (coff_data(output_bfd)->pe) 
+    {
+      int val = strtoul (ptr, &ptr, 0);
+      if (heap)
+	pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve =val;
+      else
+	pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve =val;
+
+      if (ptr[0] == ',') 
+	{
+	  int val = strtoul (ptr+1, &ptr, 0);
+	  if (heap)
+	    pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit =val;
+	  else
+	    pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit =val;
+	}
+    }
+  return ptr;
+}
+
+static char *get_name(ptr, dst)
+char *ptr;
+char **dst;
+{
+  while (*ptr == ' ')
+    ptr++;
+  *dst = ptr;
+  while (*ptr && *ptr != ' ')
+    ptr++;
+  *ptr = 0;
+  return ptr+1;
+}
+
+/* Process any magic embedded commands in a section called .drectve */
+			
+static int
+process_embedded_commands (output_bfd, info,  abfd)
+     bfd *output_bfd;
+     struct bfd_link_info *info;
+     bfd *abfd;
+{
+  asection *sec = bfd_get_section_by_name (abfd, ".drectve");
+  char *s;
+  char *e;
+  char *copy;
+  if (!sec) 
+    return 1;
+  
+  copy = bfd_malloc ((size_t) sec->_raw_size);
+  if (!copy) 
+    return 0;
+  if (! bfd_get_section_contents(abfd, sec, copy, 0, sec->_raw_size)) 
+    {
+      free (copy);
+      return 0;
+    }
+  e = copy + sec->_raw_size;
+  for (s = copy;  s < e ; ) 
+    {
+      if (s[0]!= '-') {
+	s++;
+	continue;
+      }
+      if (strncmp (s,"-attr", 5) == 0)
+	{
+	  char *name;
+	  char *attribs;
+	  asection *asec;
+
+	  int loop = 1;
+	  int had_write = 0;
+	  int had_read = 0;
+	  int had_exec= 0;
+	  int had_shared= 0;
+	  s += 5;
+	  s = get_name(s, &name);
+	  s = get_name(s, &attribs);
+	  while (loop) {
+	    switch (*attribs++) 
+	      {
+	      case 'W':
+		had_write = 1;
+		break;
+	      case 'R':
+		had_read = 1;
+		break;
+	      case 'S':
+		had_shared = 1;
+		break;
+	      case 'X':
+		had_exec = 1;
+		break;
+	      default:
+		loop = 0;
+	      }
+	  }
+	  asec = bfd_get_section_by_name (abfd, name);
+	  if (asec) {
+	    if (had_exec)
+	      asec->flags |= SEC_CODE;
+	    if (!had_write)
+	      asec->flags |= SEC_READONLY;
+	  }
+	}
+      else if (strncmp (s,"-heap", 5) == 0)
+	{
+	  s = dores_com (s+5, output_bfd, 1);
+	}
+      else if (strncmp (s,"-stack", 6) == 0)
+	{
+	  s = dores_com (s+6, output_bfd, 0);
+	}
+      else 
+	s++;
+    }
+  free (copy);
+  return 1;
+}
+
+/* Place a marker against all symbols which are used by relocations.
+   This marker can be picked up by the 'do we skip this symbol ?'
+   loop in _bfd_coff_link_input_bfd() and used to prevent skipping
+   that symbol. 
+   */
+
+static void
+mark_relocs (finfo, input_bfd)
+     struct coff_final_link_info *	finfo;
+     bfd * 				input_bfd;
+{
+  asection * a;
+
+  if ((bfd_get_file_flags (input_bfd) & HAS_SYMS) == 0)
+    return;
+  
+  for (a = input_bfd->sections; a != (asection *) NULL; a = a->next)
+    {
+      struct internal_reloc *	internal_relocs;
+      struct internal_reloc *	irel;
+      struct internal_reloc *	irelend;
+
+      
+      if ((a->flags & SEC_RELOC) == 0 || a->reloc_count  < 1)
+	continue;
+
+      /* Read in the relocs.  */
+      internal_relocs = _bfd_coff_read_internal_relocs
+	(input_bfd, a, false,
+	 finfo->external_relocs,
+	 finfo->info->relocateable,
+	 (finfo->info->relocateable
+	  ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count)
+	  : finfo->internal_relocs)
+	);
+      
+      if (internal_relocs == NULL)
+	continue;
+
+      irel     = internal_relocs;
+      irelend  = irel + a->reloc_count;
+
+      /* Place a mark in the sym_indices array (whose entries have
+	 been initialised to 0) for all of the symbols that are used
+	 in the relocation table.  This will then be picked up in the
+	 skip/don't pass */
+      
+      for (; irel < irelend; irel++)
+	{
+	  finfo->sym_indices[ irel->r_symndx ] = -1;
+	}
+    }
+}
+
+/* Link an input file into the linker output file.  This function
+   handles all the sections and relocations of the input file at once.  */
+
+boolean
+_bfd_coff_link_input_bfd (finfo, input_bfd)
+     struct coff_final_link_info *finfo;
+     bfd *input_bfd;
+{
+  boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *));
+  boolean (*adjust_symndx) PARAMS ((bfd *, struct bfd_link_info *, bfd *,
+				    asection *, struct internal_reloc *,
+				    boolean *));
+  bfd *output_bfd;
+  const char *strings;
+  bfd_size_type syment_base;
+  unsigned int n_tmask;
+  unsigned int n_btshft;
+  boolean copy, hash;
+  bfd_size_type isymesz;
+  bfd_size_type osymesz;
+  bfd_size_type linesz;
+  bfd_byte *esym;
+  bfd_byte *esym_end;
+  struct internal_syment *isymp;
+  asection **secpp;
+  long *indexp;
+  unsigned long output_index;
+  bfd_byte *outsym;
+  struct coff_link_hash_entry **sym_hash;
+  asection *o;
+
+  /* Move all the symbols to the output file.  */
+
+  output_bfd = finfo->output_bfd;
+  sym_is_global = coff_backend_info (input_bfd)->_bfd_coff_sym_is_global;
+  strings = NULL;
+  syment_base = obj_raw_syment_count (output_bfd);
+  isymesz = bfd_coff_symesz (input_bfd);
+  osymesz = bfd_coff_symesz (output_bfd);
+  linesz = bfd_coff_linesz (input_bfd);
+  BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd));
+
+  n_tmask = coff_data (input_bfd)->local_n_tmask;
+  n_btshft = coff_data (input_bfd)->local_n_btshft;
+
+  /* Define macros so that ISFCN, et. al., macros work correctly.  */
+#define N_TMASK n_tmask
+#define N_BTSHFT n_btshft
+
+  copy = false;
+  if (! finfo->info->keep_memory)
+    copy = true;
+  hash = true;
+  if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
+    hash = false;
+
+  if (! _bfd_coff_get_external_symbols (input_bfd))
+    return false;
+
+  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
+  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
+  isymp = finfo->internal_syms;
+  secpp = finfo->sec_ptrs;
+  indexp = finfo->sym_indices;
+  output_index = syment_base;
+  outsym = finfo->outsyms;
+
+  if (coff_data (output_bfd)->pe)
+    {
+      if (! process_embedded_commands (output_bfd, finfo->info, input_bfd))
+	return false;
+    }
+
+  /* If we are going to perform relocations and also strip/discard some symbols
+     then we must make sure that we do not strip/discard those symbols that are
+     going to be involved in the relocations */
+  if ((   finfo->info->strip   != strip_none
+       || finfo->info->discard != discard_none)
+      && finfo->info->relocateable)
+    {
+      /* mark the symbol array as 'not-used' */
+      memset (indexp, 0, obj_raw_syment_count (input_bfd) * sizeof * indexp); 
+       
+      mark_relocs (finfo, input_bfd);
+    }
+
+  while (esym < esym_end)
+    {
+      struct internal_syment isym;
+      boolean skip;
+      boolean global;
+      boolean dont_skip_symbol;
+      int add;
+
+      bfd_coff_swap_sym_in (input_bfd, (PTR) esym, (PTR) isymp);
+
+      /* Make a copy of *isymp so that the relocate_section function
+	 always sees the original values.  This is more reliable than
+	 always recomputing the symbol value even if we are stripping
+	 the symbol.  */
+      isym = *isymp;
+
+      if (isym.n_scnum != 0)
+	*secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum);
+      else
+	{
+	  if (isym.n_value == 0)
+	    *secpp = bfd_und_section_ptr;
+	  else
+	    *secpp = bfd_com_section_ptr;
+	}
+
+      /* Extract the flag indicating if this symbol is used by a
+         relocation.  */
+      if ((finfo->info->strip != strip_none
+	   || finfo->info->discard != discard_none)
+	  && finfo->info->relocateable)
+	dont_skip_symbol = *indexp;
+      else
+	dont_skip_symbol = false;
+      
+      *indexp = -1;
+
+      skip = false;
+      global = false;
+      add = 1 + isym.n_numaux;
+
+      /* If we are stripping all symbols, we want to skip this one.  */
+      if (finfo->info->strip == strip_all && ! dont_skip_symbol)
+	skip = true;
+
+      if (! skip)
+	{
+	  if (isym.n_sclass == C_EXT
+	      || isym.n_sclass == C_WEAKEXT
+	      || (obj_pe (input_bfd) && isym.n_sclass == C_NT_WEAK)
+#ifdef C_SYSTEM
+	      || isym.n_sclass == C_SYSTEM
+#endif
+	      || (sym_is_global && (*sym_is_global) (input_bfd, &isym)))
+	    {
+	      /* This is a global symbol.  Global symbols come at the
+		 end of the symbol table, so skip them for now.
+		 Locally defined function symbols, however, are an
+		 exception, and are not moved to the end.  */
+	      global = true;
+	      if (! ISFCN (isym.n_type) || isym.n_scnum == 0)
+		skip = true;
+	    }
+	  else
+	    {
+	      /* This is a local symbol.  Skip it if we are discarding
+                 local symbols.  */
+	      if (finfo->info->discard == discard_all && ! dont_skip_symbol)
+		skip = true;
+	    }
+	}
+
+      /* If we stripping debugging symbols, and this is a debugging
+         symbol, then skip it.  FIXME: gas sets the section to N_ABS
+         for some types of debugging symbols; I don't know if this is
+         a bug or not.  In any case, we handle it here.  */
+      if (! skip
+	  && finfo->info->strip == strip_debugger
+	  && ! dont_skip_symbol
+	  && (isym.n_scnum == N_DEBUG
+	      || (isym.n_scnum == N_ABS
+		  && (isym.n_sclass == C_AUTO
+		      || isym.n_sclass == C_REG
+		      || isym.n_sclass == C_MOS
+		      || isym.n_sclass == C_MOE
+		      || isym.n_sclass == C_MOU
+		      || isym.n_sclass == C_ARG
+		      || isym.n_sclass == C_REGPARM
+		      || isym.n_sclass == C_FIELD
+		      || isym.n_sclass == C_EOS))))
+	skip = true;
+
+      /* If some symbols are stripped based on the name, work out the
+	 name and decide whether to skip this symbol.  */
+      if (! skip
+	  && (finfo->info->strip == strip_some
+	      || finfo->info->discard == discard_l))
+	{
+	  const char *name;
+	  char buf[SYMNMLEN + 1];
+
+	  name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
+	  if (name == NULL)
+	    return false;
+
+	  if (! dont_skip_symbol
+	      && ((finfo->info->strip == strip_some
+		   && (bfd_hash_lookup (finfo->info->keep_hash, name, false,
+				    false) == NULL))
+		   || (! global
+		       && finfo->info->discard == discard_l
+		       && bfd_is_local_label_name (input_bfd, name))))
+	    skip = true;
+	}
+
+      /* If this is an enum, struct, or union tag, see if we have
+         already output an identical type.  */
+      if (! skip
+	  && (finfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT) == 0
+	  && (isym.n_sclass == C_ENTAG
+	      || isym.n_sclass == C_STRTAG
+	      || isym.n_sclass == C_UNTAG)
+	  && isym.n_numaux == 1)
+	{
+	  const char *name;
+	  char buf[SYMNMLEN + 1];
+	  struct coff_debug_merge_hash_entry *mh;
+	  struct coff_debug_merge_type *mt;
+	  union internal_auxent aux;
+	  struct coff_debug_merge_element **epp;
+	  bfd_byte *esl, *eslend;
+	  struct internal_syment *islp;
+
+	  name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
+	  if (name == NULL)
+	    return false;
+
+	  /* Ignore fake names invented by compiler; treat them all as
+             the same name.  */
+	  if (*name == '~' || *name == '.' || *name == '$'
+	      || (*name == bfd_get_symbol_leading_char (input_bfd)
+		  && (name[1] == '~' || name[1] == '.' || name[1] == '$')))
+	    name = "";
+
+	  mh = coff_debug_merge_hash_lookup (&finfo->debug_merge, name,
+					     true, true);
+	  if (mh == NULL)
+	    return false;
+
+	  /* Allocate memory to hold type information.  If this turns
+             out to be a duplicate, we pass this address to
+             bfd_release.  */
+	  mt = ((struct coff_debug_merge_type *)
+		bfd_alloc (input_bfd,
+			   sizeof (struct coff_debug_merge_type)));
+	  if (mt == NULL)
+	    return false;
+	  mt->class = isym.n_sclass;
+
+	  /* Pick up the aux entry, which points to the end of the tag
+             entries.  */
+	  bfd_coff_swap_aux_in (input_bfd, (PTR) (esym + isymesz),
+				isym.n_type, isym.n_sclass, 0, isym.n_numaux,
+				(PTR) &aux);
+
+	  /* Gather the elements.  */
+	  epp = &mt->elements;
+	  mt->elements = NULL;
+	  islp = isymp + 2;
+	  esl = esym + 2 * isymesz;
+	  eslend = ((bfd_byte *) obj_coff_external_syms (input_bfd)
+		    + aux.x_sym.x_fcnary.x_fcn.x_endndx.l * isymesz);
+	  while (esl < eslend)
+	    {
+	      const char *elename;
+	      char elebuf[SYMNMLEN + 1];
+	      char *copy;
+
+	      bfd_coff_swap_sym_in (input_bfd, (PTR) esl, (PTR) islp);
+
+	      *epp = ((struct coff_debug_merge_element *)
+		      bfd_alloc (input_bfd,
+				 sizeof (struct coff_debug_merge_element)));
+	      if (*epp == NULL)
+		return false;
+
+	      elename = _bfd_coff_internal_syment_name (input_bfd, islp,
+							elebuf);
+	      if (elename == NULL)
+		return false;
+
+	      copy = (char *) bfd_alloc (input_bfd, strlen (elename) + 1);
+	      if (copy == NULL)
+		return false;
+	      strcpy (copy, elename);
+
+	      (*epp)->name = copy;
+	      (*epp)->type = islp->n_type;
+	      (*epp)->tagndx = 0;
+	      if (islp->n_numaux >= 1
+		  && islp->n_type != T_NULL
+		  && islp->n_sclass != C_EOS)
+		{
+		  union internal_auxent eleaux;
+		  long indx;
+
+		  bfd_coff_swap_aux_in (input_bfd, (PTR) (esl + isymesz),
+					islp->n_type, islp->n_sclass, 0,
+					islp->n_numaux, (PTR) &eleaux);
+		  indx = eleaux.x_sym.x_tagndx.l;
+
+		  /* FIXME: If this tagndx entry refers to a symbol
+		     defined later in this file, we just ignore it.
+		     Handling this correctly would be tedious, and may
+		     not be required.  */
+
+		  if (indx > 0
+		      && (indx
+			  < ((esym -
+			      (bfd_byte *) obj_coff_external_syms (input_bfd))
+			     / (long) isymesz)))
+		    {
+		      (*epp)->tagndx = finfo->sym_indices[indx];
+		      if ((*epp)->tagndx < 0)
+			(*epp)->tagndx = 0;
+		    }
+		}
+	      epp = &(*epp)->next;
+	      *epp = NULL;
+
+	      esl += (islp->n_numaux + 1) * isymesz;
+	      islp += islp->n_numaux + 1;
+	    }
+
+	  /* See if we already have a definition which matches this
+             type.  We always output the type if it has no elements,
+             for simplicity.  */
+	  if (mt->elements == NULL)
+	    bfd_release (input_bfd, (PTR) mt);
+	  else
+	    {
+	      struct coff_debug_merge_type *mtl;
+
+	      for (mtl = mh->types; mtl != NULL; mtl = mtl->next)
+		{
+		  struct coff_debug_merge_element *me, *mel;
+
+		  if (mtl->class != mt->class)
+		    continue;
+
+		  for (me = mt->elements, mel = mtl->elements;
+		       me != NULL && mel != NULL;
+		       me = me->next, mel = mel->next)
+		    {
+		      if (strcmp (me->name, mel->name) != 0
+			  || me->type != mel->type
+			  || me->tagndx != mel->tagndx)
+			break;
+		    }
+
+		  if (me == NULL && mel == NULL)
+		    break;
+		}
+
+	      if (mtl == NULL || (bfd_size_type) mtl->indx >= syment_base)
+		{
+		  /* This is the first definition of this type.  */
+		  mt->indx = output_index;
+		  mt->next = mh->types;
+		  mh->types = mt;
+		}
+	      else
+		{
+		  /* This is a redefinition which can be merged.  */
+		  bfd_release (input_bfd, (PTR) mt);
+		  *indexp = mtl->indx;
+		  add = (eslend - esym) / isymesz;
+		  skip = true;
+		}
+	    }
+	}
+
+      /* We now know whether we are to skip this symbol or not.  */
+      if (! skip)
+	{
+	  /* Adjust the symbol in order to output it.  */
+
+	  if (isym._n._n_n._n_zeroes == 0
+	      && isym._n._n_n._n_offset != 0)
+	    {
+	      const char *name;
+	      bfd_size_type indx;
+
+	      /* This symbol has a long name.  Enter it in the string
+		 table we are building.  Note that we do not check
+		 bfd_coff_symname_in_debug.  That is only true for
+		 XCOFF, and XCOFF requires different linking code
+		 anyhow.  */
+	      name = _bfd_coff_internal_syment_name (input_bfd, &isym,
+						     (char *) NULL);
+	      if (name == NULL)
+		return false;
+	      indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy);
+	      if (indx == (bfd_size_type) -1)
+		return false;
+	      isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
+	    }
+
+	  if (isym.n_scnum > 0)
+	    {
+	      isym.n_scnum = (*secpp)->output_section->target_index;
+	      isym.n_value += (*secpp)->output_offset;
+	      if (! obj_pe (input_bfd))
+		isym.n_value -= (*secpp)->vma;
+	      if (! obj_pe (finfo->output_bfd))
+		isym.n_value += (*secpp)->output_section->vma;
+	    }
+
+	  /* The value of a C_FILE symbol is the symbol index of the
+	     next C_FILE symbol.  The value of the last C_FILE symbol
+	     is the symbol index to the first external symbol
+	     (actually, coff_renumber_symbols does not get this
+	     right--it just sets the value of the last C_FILE symbol
+	     to zero--and nobody has ever complained about it).  We
+	     try to get this right, below, just before we write the
+	     symbols out, but in the general case we may have to write
+	     the symbol out twice.  */
+	  if (isym.n_sclass == C_FILE)
+	    {
+	      if (finfo->last_file_index != -1
+		  && finfo->last_file.n_value != (long) output_index)
+		{
+		  /* We must correct the value of the last C_FILE entry.  */
+		  finfo->last_file.n_value = output_index;
+		  if ((bfd_size_type) finfo->last_file_index >= syment_base)
+		    {
+		      /* The last C_FILE symbol is in this input file.  */
+		      bfd_coff_swap_sym_out (output_bfd,
+					     (PTR) &finfo->last_file,
+					     (PTR) (finfo->outsyms
+						    + ((finfo->last_file_index
+							- syment_base)
+						       * osymesz)));
+		    }
+		  else
+		    {
+		      /* We have already written out the last C_FILE
+			 symbol.  We need to write it out again.  We
+			 borrow *outsym temporarily.  */
+		      bfd_coff_swap_sym_out (output_bfd,
+					     (PTR) &finfo->last_file,
+					     (PTR) outsym);
+		      if (bfd_seek (output_bfd,
+				    (obj_sym_filepos (output_bfd)
+				     + finfo->last_file_index * osymesz),
+				    SEEK_SET) != 0
+			  || (bfd_write (outsym, osymesz, 1, output_bfd)
+			      != osymesz))
+			return false;
+		    }
+		}
+
+	      finfo->last_file_index = output_index;
+	      finfo->last_file = isym;
+	    }
+
+	  /* If doing task linking, convert normal global function symbols to
+	     static functions. */
+
+	  if (finfo->info->task_link
+	      && (isym.n_sclass == C_EXT
+		  || isym.n_sclass == C_WEAKEXT
+		  || (obj_pe (input_bfd) && isym.n_sclass == C_NT_WEAK)))
+	    isym.n_sclass = C_STAT;
+
+	  /* Output the symbol.  */
+
+	  bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) outsym);
+
+	  *indexp = output_index;
+
+	  if (global)
+	    {
+	      long indx;
+	      struct coff_link_hash_entry *h;
+
+	      indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd))
+		      / isymesz);
+	      h = obj_coff_sym_hashes (input_bfd)[indx];
+	      if (h == NULL)
+		{
+		  /* This can happen if there were errors earlier in
+                     the link.  */
+		  bfd_set_error (bfd_error_bad_value);
+		  return false;
+		}
+	      h->indx = output_index;
+	    }
+
+	  output_index += add;
+	  outsym += add * osymesz;
+	}
+
+      esym += add * isymesz;
+      isymp += add;
+      ++secpp;
+      ++indexp;
+      for (--add; add > 0; --add)
+	{
+	  *secpp++ = NULL;
+	  *indexp++ = -1;
+	}
+    }
+
+  /* Fix up the aux entries.  This must be done in a separate pass,
+     because we don't know the correct symbol indices until we have
+     already decided which symbols we are going to keep.  */
+
+  esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
+  esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
+  isymp = finfo->internal_syms;
+  indexp = finfo->sym_indices;
+  sym_hash = obj_coff_sym_hashes (input_bfd);
+  outsym = finfo->outsyms;
+  while (esym < esym_end)
+    {
+      int add;
+
+      add = 1 + isymp->n_numaux;
+
+      if ((*indexp < 0
+	   || (bfd_size_type) *indexp < syment_base)
+	  && (*sym_hash == NULL
+	      || (*sym_hash)->auxbfd != input_bfd))
+	esym += add * isymesz;
+      else
+	{
+	  struct coff_link_hash_entry *h;
+	  int i;
+
+	  h = NULL;
+	  if (*indexp < 0)
+	    {
+	      h = *sym_hash;
+
+	      /* The m68k-motorola-sysv assembler will sometimes
+                 generate two symbols with the same name, but only one
+                 will have aux entries.  */
+	      BFD_ASSERT (isymp->n_numaux == 0
+			  || h->numaux == isymp->n_numaux);
+	    }
+
+	  esym += isymesz;
+
+	  if (h == NULL)
+	    outsym += osymesz;
+
+	  /* Handle the aux entries.  This handling is based on
+	     coff_pointerize_aux.  I don't know if it always correct.  */
+	  for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
+	    {
+	      union internal_auxent aux;
+	      union internal_auxent *auxp;
+
+	      if (h != NULL)
+		auxp = h->aux + i;
+	      else
+		{
+		  bfd_coff_swap_aux_in (input_bfd, (PTR) esym, isymp->n_type,
+					isymp->n_sclass, i, isymp->n_numaux,
+					(PTR) &aux);
+		  auxp = &aux;
+		}
+
+	      if (isymp->n_sclass == C_FILE)
+		{
+		  /* If this is a long filename, we must put it in the
+		     string table.  */
+		  if (auxp->x_file.x_n.x_zeroes == 0
+		      && auxp->x_file.x_n.x_offset != 0)
+		    {
+		      const char *filename;
+		      bfd_size_type indx;
+
+		      BFD_ASSERT (auxp->x_file.x_n.x_offset
+				  >= STRING_SIZE_SIZE);
+		      if (strings == NULL)
+			{
+			  strings = _bfd_coff_read_string_table (input_bfd);
+			  if (strings == NULL)
+			    return false;
+			}
+		      filename = strings + auxp->x_file.x_n.x_offset;
+		      indx = _bfd_stringtab_add (finfo->strtab, filename,
+						 hash, copy);
+		      if (indx == (bfd_size_type) -1)
+			return false;
+		      auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
+		    }
+		}
+	      else if (isymp->n_sclass != C_STAT || isymp->n_type != T_NULL)
+		{
+		  unsigned long indx;
+
+		  if (ISFCN (isymp->n_type)
+		      || ISTAG (isymp->n_sclass)
+		      || isymp->n_sclass == C_BLOCK
+		      || isymp->n_sclass == C_FCN)
+		    {
+		      indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l;
+		      if (indx > 0
+			  && indx < obj_raw_syment_count (input_bfd))
+			{
+			  /* We look forward through the symbol for
+                             the index of the next symbol we are going
+                             to include.  I don't know if this is
+                             entirely right.  */
+			  while ((finfo->sym_indices[indx] < 0
+				  || ((bfd_size_type) finfo->sym_indices[indx]
+				      < syment_base))
+				 && indx < obj_raw_syment_count (input_bfd))
+			    ++indx;
+			  if (indx >= obj_raw_syment_count (input_bfd))
+			    indx = output_index;
+			  else
+			    indx = finfo->sym_indices[indx];
+			  auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx;
+			}
+		    }
+
+		  indx = auxp->x_sym.x_tagndx.l;
+		  if (indx > 0 && indx < obj_raw_syment_count (input_bfd))
+		    {
+		      long symindx;
+
+		      symindx = finfo->sym_indices[indx];
+		      if (symindx < 0)
+			auxp->x_sym.x_tagndx.l = 0;
+		      else
+			auxp->x_sym.x_tagndx.l = symindx;
+		    }
+
+		  /* The .bf symbols are supposed to be linked through
+		     the endndx field.  We need to carry this list
+		     across object files.  */
+		  if (i == 0
+		      && h == NULL
+		      && isymp->n_sclass == C_FCN
+		      && (isymp->_n._n_n._n_zeroes != 0
+			  || isymp->_n._n_n._n_offset == 0)
+		      && isymp->_n._n_name[0] == '.'
+		      && isymp->_n._n_name[1] == 'b'
+		      && isymp->_n._n_name[2] == 'f'
+		      && isymp->_n._n_name[3] == '\0')
+		    {
+		      if (finfo->last_bf_index != -1)
+			{
+			  finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l =
+			    *indexp;
+
+			  if ((bfd_size_type) finfo->last_bf_index
+			      >= syment_base)
+			    {
+			      PTR auxout;
+
+			      /* The last .bf symbol is in this input
+				 file.  This will only happen if the
+				 assembler did not set up the .bf
+				 endndx symbols correctly.  */
+			      auxout = (PTR) (finfo->outsyms
+					      + ((finfo->last_bf_index
+						  - syment_base)
+						 * osymesz));
+			      bfd_coff_swap_aux_out (output_bfd,
+						     (PTR) &finfo->last_bf,
+						     isymp->n_type,
+						     isymp->n_sclass,
+						     0, isymp->n_numaux,
+						     auxout);
+			    }
+			  else
+			    {
+			      /* We have already written out the last
+                                 .bf aux entry.  We need to write it
+                                 out again.  We borrow *outsym
+                                 temporarily.  FIXME: This case should
+                                 be made faster.  */
+			      bfd_coff_swap_aux_out (output_bfd,
+						     (PTR) &finfo->last_bf,
+						     isymp->n_type,
+						     isymp->n_sclass,
+						     0, isymp->n_numaux,
+						     (PTR) outsym);
+			      if (bfd_seek (output_bfd,
+					    (obj_sym_filepos (output_bfd)
+					     + finfo->last_bf_index * osymesz),
+					    SEEK_SET) != 0
+				  || bfd_write (outsym, osymesz, 1,
+						output_bfd) != osymesz)
+				return false;
+			    }
+			}
+
+		      if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0)
+			finfo->last_bf_index = -1;
+		      else
+			{
+			  /* The endndx field of this aux entry must
+                             be updated with the symbol number of the
+                             next .bf symbol.  */
+			  finfo->last_bf = *auxp;
+			  finfo->last_bf_index = (((outsym - finfo->outsyms)
+						   / osymesz)
+						  + syment_base);
+			}
+		    }
+		}
+
+	      if (h == NULL)
+		{
+		  bfd_coff_swap_aux_out (output_bfd, (PTR) auxp, isymp->n_type,
+					 isymp->n_sclass, i, isymp->n_numaux,
+					 (PTR) outsym);
+		  outsym += osymesz;
+		}
+
+	      esym += isymesz;
+	    }
+	}
+
+      indexp += add;
+      isymp += add;
+      sym_hash += add;
+    }
+
+  /* Relocate the line numbers, unless we are stripping them.  */
+  if (finfo->info->strip == strip_none
+      || finfo->info->strip == strip_some)
+    {
+      for (o = input_bfd->sections; o != NULL; o = o->next)
+	{
+	  bfd_vma offset;
+	  bfd_byte *eline;
+	  bfd_byte *elineend;
+
+	  /* FIXME: If SEC_HAS_CONTENTS is not for the section, then
+	     build_link_order in ldwrite.c will not have created a
+	     link order, which means that we will not have seen this
+	     input section in _bfd_coff_final_link, which means that
+	     we will not have allocated space for the line numbers of
+	     this section.  I don't think line numbers can be
+	     meaningful for a section which does not have
+	     SEC_HAS_CONTENTS set, but, if they do, this must be
+	     changed.  */
+	  if (o->lineno_count == 0
+	      || (o->output_section->flags & SEC_HAS_CONTENTS) == 0)
+	    continue;
+
+	  if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET) != 0
+	      || bfd_read (finfo->linenos, linesz, o->lineno_count,
+			   input_bfd) != linesz * o->lineno_count)
+	    return false;
+
+	  offset = o->output_section->vma + o->output_offset - o->vma;
+	  eline = finfo->linenos;
+	  elineend = eline + linesz * o->lineno_count;
+	  for (; eline < elineend; eline += linesz)
+	    {
+	      struct internal_lineno iline;
+
+	      bfd_coff_swap_lineno_in (input_bfd, (PTR) eline, (PTR) &iline);
+
+	      if (iline.l_lnno != 0)
+		iline.l_addr.l_paddr += offset;
+	      else if (iline.l_addr.l_symndx >= 0
+		       && ((unsigned long) iline.l_addr.l_symndx
+			   < obj_raw_syment_count (input_bfd)))
+		{
+		  long indx;
+
+		  indx = finfo->sym_indices[iline.l_addr.l_symndx];
+
+		  if (indx < 0)
+		    {
+		      /* These line numbers are attached to a symbol
+			 which we are stripping.  We should really
+			 just discard the line numbers, but that would
+			 be a pain because we have already counted
+			 them.  */
+		      indx = 0;
+		    }
+		  else
+		    {
+		      struct internal_syment is;
+		      union internal_auxent ia;
+
+		      /* Fix up the lnnoptr field in the aux entry of
+			 the symbol.  It turns out that we can't do
+			 this when we modify the symbol aux entries,
+			 because gas sometimes screws up the lnnoptr
+			 field and makes it an offset from the start
+			 of the line numbers rather than an absolute
+			 file index.  */
+		      bfd_coff_swap_sym_in (output_bfd,
+					    (PTR) (finfo->outsyms
+						   + ((indx - syment_base)
+						      * osymesz)),
+					    (PTR) &is);
+		      if ((ISFCN (is.n_type)
+			   || is.n_sclass == C_BLOCK)
+			  && is.n_numaux >= 1)
+			{
+			  PTR auxptr;
+
+			  auxptr = (PTR) (finfo->outsyms
+					  + ((indx - syment_base + 1)
+					     * osymesz));
+			  bfd_coff_swap_aux_in (output_bfd, auxptr,
+						is.n_type, is.n_sclass,
+						0, is.n_numaux, (PTR) &ia);
+			  ia.x_sym.x_fcnary.x_fcn.x_lnnoptr =
+			    (o->output_section->line_filepos
+			     + o->output_section->lineno_count * linesz
+			     + eline - finfo->linenos);
+			  bfd_coff_swap_aux_out (output_bfd, (PTR) &ia,
+						 is.n_type, is.n_sclass, 0,
+						 is.n_numaux, auxptr);
+			}
+		    }
+
+		  iline.l_addr.l_symndx = indx;
+		}
+
+	      bfd_coff_swap_lineno_out (output_bfd, (PTR) &iline, (PTR) eline);
+	    }
+
+	  if (bfd_seek (output_bfd,
+			(o->output_section->line_filepos
+			 + o->output_section->lineno_count * linesz),
+			SEEK_SET) != 0
+	      || bfd_write (finfo->linenos, linesz, o->lineno_count,
+			    output_bfd) != linesz * o->lineno_count)
+	    return false;
+
+	  o->output_section->lineno_count += o->lineno_count;
+	}
+    }
+
+  /* If we swapped out a C_FILE symbol, guess that the next C_FILE
+     symbol will be the first symbol in the next input file.  In the
+     normal case, this will save us from writing out the C_FILE symbol
+     again.  */
+  if (finfo->last_file_index != -1
+      && (bfd_size_type) finfo->last_file_index >= syment_base)
+    {
+      finfo->last_file.n_value = output_index;
+      bfd_coff_swap_sym_out (output_bfd, (PTR) &finfo->last_file,
+			     (PTR) (finfo->outsyms
+ 				    + ((finfo->last_file_index - syment_base)
+ 				       * osymesz)));
+    }
+
+  /* Write the modified symbols to the output file.  */
+  if (outsym > finfo->outsyms)
+    {
+      if (bfd_seek (output_bfd,
+		    obj_sym_filepos (output_bfd) + syment_base * osymesz,
+		    SEEK_SET) != 0
+	  || (bfd_write (finfo->outsyms, outsym - finfo->outsyms, 1,
+			output_bfd)
+	      != (bfd_size_type) (outsym - finfo->outsyms)))
+	return false;
+
+      BFD_ASSERT ((obj_raw_syment_count (output_bfd)
+		   + (outsym - finfo->outsyms) / osymesz)
+		  == output_index);
+
+      obj_raw_syment_count (output_bfd) = output_index;
+    }
+
+  /* Relocate the contents of each section.  */
+  adjust_symndx = coff_backend_info (input_bfd)->_bfd_coff_adjust_symndx;
+  for (o = input_bfd->sections; o != NULL; o = o->next)
+    {
+      bfd_byte *contents;
+      struct coff_section_tdata *secdata;
+
+      if (! o->linker_mark)
+	{
+	  /* This section was omitted from the link.  */
+	  continue;
+	}
+
+      if ((o->flags & SEC_HAS_CONTENTS) == 0
+	  || (o->_raw_size == 0 && (o->flags & SEC_RELOC) == 0))
+	{
+	  if ((o->flags & SEC_RELOC) != 0
+	      && o->reloc_count != 0)
+	    {
+	      ((*_bfd_error_handler)
+	       (_("%s: relocs in section `%s', but it has no contents"),
+		bfd_get_filename (input_bfd),
+		bfd_get_section_name (input_bfd, o)));
+	      bfd_set_error (bfd_error_no_contents);
+	      return false;
+	    }
+
+	  continue;
+	}
+
+      secdata = coff_section_data (input_bfd, o);
+      if (secdata != NULL && secdata->contents != NULL)
+	contents = secdata->contents;
+      else
+	{
+	  if (! bfd_get_section_contents (input_bfd, o, finfo->contents,
+					  (file_ptr) 0, o->_raw_size))
+	    return false;
+	  contents = finfo->contents;
+	}
+
+      if ((o->flags & SEC_RELOC) != 0)
+	{
+	  int target_index;
+	  struct internal_reloc *internal_relocs;
+	  struct internal_reloc *irel;
+
+	  /* Read in the relocs.  */
+	  target_index = o->output_section->target_index;
+	  internal_relocs = (_bfd_coff_read_internal_relocs
+			     (input_bfd, o, false, finfo->external_relocs,
+			      finfo->info->relocateable,
+			      (finfo->info->relocateable
+			       ? (finfo->section_info[target_index].relocs
+				  + o->output_section->reloc_count)
+			       : finfo->internal_relocs)));
+	  if (internal_relocs == NULL)
+	    return false;
+
+	  /* Call processor specific code to relocate the section
+             contents.  */
+	  if (! bfd_coff_relocate_section (output_bfd, finfo->info,
+					   input_bfd, o,
+					   contents,
+					   internal_relocs,
+					   finfo->internal_syms,
+					   finfo->sec_ptrs))
+	    return false;
+
+	  if (finfo->info->relocateable)
+	    {
+	      bfd_vma offset;
+	      struct internal_reloc *irelend;
+	      struct coff_link_hash_entry **rel_hash;
+
+	      offset = o->output_section->vma + o->output_offset - o->vma;
+	      irel = internal_relocs;
+	      irelend = irel + o->reloc_count;
+	      rel_hash = (finfo->section_info[target_index].rel_hashes
+			  + o->output_section->reloc_count);
+	      for (; irel < irelend; irel++, rel_hash++)
+		{
+		  struct coff_link_hash_entry *h;
+		  boolean adjusted;
+
+		  *rel_hash = NULL;
+
+		  /* Adjust the reloc address and symbol index.  */
+
+		  irel->r_vaddr += offset;
+
+		  if (irel->r_symndx == -1)
+		    continue;
+
+		  if (adjust_symndx)
+		    {
+		      if (! (*adjust_symndx) (output_bfd, finfo->info,
+					      input_bfd, o, irel,
+					      &adjusted))
+			return false;
+		      if (adjusted)
+			continue;
+		    }
+
+		  h = obj_coff_sym_hashes (input_bfd)[irel->r_symndx];
+		  if (h != NULL)
+		    {
+		      /* This is a global symbol.  */
+		      if (h->indx >= 0)
+			irel->r_symndx = h->indx;
+		      else
+			{
+			  /* This symbol is being written at the end
+			     of the file, and we do not yet know the
+			     symbol index.  We save the pointer to the
+			     hash table entry in the rel_hash list.
+			     We set the indx field to -2 to indicate
+			     that this symbol must not be stripped.  */
+			  *rel_hash = h;
+			  h->indx = -2;
+			}
+		    }
+		  else
+		    {
+		      long indx;
+
+		      indx = finfo->sym_indices[irel->r_symndx];
+		      if (indx != -1)
+			irel->r_symndx = indx;
+		      else
+			{
+			  struct internal_syment *is;
+			  const char *name;
+			  char buf[SYMNMLEN + 1];
+
+			  /* This reloc is against a symbol we are
+                             stripping.  This should have been handled
+			     by the 'dont_skip_symbol' code in the while
+			     loop at the top of this function. */
+			  
+			  is = finfo->internal_syms + irel->r_symndx;
+
+			  name = (_bfd_coff_internal_syment_name
+				  (input_bfd, is, buf));
+			  if (name == NULL)
+			    return false;
+
+			  if (! ((*finfo->info->callbacks->unattached_reloc)
+				 (finfo->info, name, input_bfd, o,
+				  irel->r_vaddr)))
+			    return false;
+			}
+		    }
+		}
+
+	      o->output_section->reloc_count += o->reloc_count;
+	    }
+	}
+
+      /* Write out the modified section contents.  */
+      if (secdata == NULL || secdata->stab_info == NULL)
+	{
+	  if (! bfd_set_section_contents (output_bfd, o->output_section,
+					  contents, o->output_offset,
+					  (o->_cooked_size != 0
+					   ? o->_cooked_size
+					   : o->_raw_size)))
+	    return false;
+	}
+      else
+	{
+	  if (! (_bfd_write_section_stabs
+		 (output_bfd, &coff_hash_table (finfo->info)->stab_info,
+		  o, &secdata->stab_info, contents)))
+	    return false;
+	}
+    }
+
+  if (! finfo->info->keep_memory)
+    {
+      if (! _bfd_coff_free_symbols (input_bfd))
+	return false;
+    }
+
+  return true;
+}
+
+/* Write out a global symbol.  Called via coff_link_hash_traverse.  */
+
+boolean
+_bfd_coff_write_global_sym (h, data)
+     struct coff_link_hash_entry *h;
+     PTR data;
+{
+  struct coff_final_link_info *finfo = (struct coff_final_link_info *) data;
+  bfd *output_bfd;
+  struct internal_syment isym;
+  bfd_size_type symesz;
+  unsigned int i;
+
+  output_bfd = finfo->output_bfd;
+
+  if (h->indx >= 0)
+    return true;
+
+  if (h->indx != -2
+      && (finfo->info->strip == strip_all
+	  || (finfo->info->strip == strip_some
+	      && (bfd_hash_lookup (finfo->info->keep_hash,
+				   h->root.root.string, false, false)
+		  == NULL))))
+    return true;
+
+  switch (h->root.type)
+    {
+    default:
+    case bfd_link_hash_new:
+      abort ();
+      return false;
+
+    case bfd_link_hash_undefined:
+    case bfd_link_hash_undefweak:
+      isym.n_scnum = N_UNDEF;
+      isym.n_value = 0;
+      break;
+
+    case bfd_link_hash_defined:
+    case bfd_link_hash_defweak:
+      {
+	asection *sec;
+
+	sec = h->root.u.def.section->output_section;
+	if (bfd_is_abs_section (sec))
+	  isym.n_scnum = N_ABS;
+	else
+	  isym.n_scnum = sec->target_index;
+	isym.n_value = (h->root.u.def.value
+			+ h->root.u.def.section->output_offset);
+	if (! obj_pe (finfo->output_bfd))
+	  isym.n_value += sec->vma;
+      }
+      break;
+
+    case bfd_link_hash_common:
+      isym.n_scnum = N_UNDEF;
+      isym.n_value = h->root.u.c.size;
+      break;
+
+    case bfd_link_hash_indirect:
+    case bfd_link_hash_warning:
+      /* Just ignore these.  They can't be handled anyhow.  */
+      return true;
+    }
+
+  if (strlen (h->root.root.string) <= SYMNMLEN)
+    strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN);
+  else
+    {
+      boolean hash;
+      bfd_size_type indx;
+
+      hash = true;
+      if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
+	hash = false;
+      indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash,
+				 false);
+      if (indx == (bfd_size_type) -1)
+	{
+	  finfo->failed = true;
+	  return false;
+	}
+      isym._n._n_n._n_zeroes = 0;
+      isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
+    }
+
+  isym.n_sclass = h->class;
+  isym.n_type = h->type;
+
+  if (isym.n_sclass == C_NULL)
+    isym.n_sclass = C_EXT;
+
+  /* If doing task linking and this is the pass where we convert
+     defined globals to statics, then do that conversion now.  If the
+     symbol is not being converted, just ignore it and it will be
+     output during a later pass. */
+  if (finfo->global_to_static)
+    {
+      if (isym.n_sclass != C_EXT
+	  && isym.n_sclass != C_WEAKEXT
+	  && (! obj_pe (output_bfd) || isym.n_sclass != C_NT_WEAK))
+	{
+	  return true;
+	}
+      isym.n_sclass = C_STAT;
+    }
+
+  isym.n_numaux = h->numaux;
+  
+  bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) finfo->outsyms);
+
+  symesz = bfd_coff_symesz (output_bfd);
+
+  if (bfd_seek (output_bfd,
+		(obj_sym_filepos (output_bfd)
+		 + obj_raw_syment_count (output_bfd) * symesz),
+		SEEK_SET) != 0
+      || bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz)
+    {
+      finfo->failed = true;
+      return false;
+    }
+
+  h->indx = obj_raw_syment_count (output_bfd);
+
+  ++obj_raw_syment_count (output_bfd);
+
+  /* Write out any associated aux entries.  There normally will be
+     none.  If there are any, I have no idea how to modify them.  */
+  for (i = 0; i < isym.n_numaux; i++)
+    {
+      bfd_coff_swap_aux_out (output_bfd, (PTR) (h->aux + i), isym.n_type,
+			     isym.n_sclass, i, isym.n_numaux,
+			     (PTR) finfo->outsyms);
+      if (bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz)
+	{
+	  finfo->failed = true;
+	  return false;
+	}
+      ++obj_raw_syment_count (output_bfd);
+    }
+
+  return true;
+}
+
+/* Write out task global symbols, converting them to statics.  Called
+   via coff_link_hash_traverse.  Calls bfd_coff_write_global_sym to do
+   the dirty work, if the symbol we are processing needs conversion. */
+
+boolean
+_bfd_coff_write_task_globals (h, data)
+     struct coff_link_hash_entry *h;
+     PTR data;
+{
+  struct coff_final_link_info *finfo = (struct coff_final_link_info *) data;
+  boolean rtnval = true;
+  boolean save_global_to_static;
+
+  if (h->indx < 0)
+    {
+      switch (h->root.type)
+	{
+	case bfd_link_hash_defined:
+	case bfd_link_hash_defweak:
+	  save_global_to_static = finfo->global_to_static;
+	  finfo->global_to_static = true;
+	  rtnval = _bfd_coff_write_global_sym (h, data);
+	  finfo->global_to_static = save_global_to_static;
+	  break;
+	default:
+	  break;
+	}
+    }
+  return (rtnval);
+}
+
+/* Handle a link order which is supposed to generate a reloc.  */
+
+boolean
+_bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order)
+     bfd *output_bfd;
+     struct coff_final_link_info *finfo;
+     asection *output_section;
+     struct bfd_link_order *link_order;
+{
+  reloc_howto_type *howto;
+  struct internal_reloc *irel;
+  struct coff_link_hash_entry **rel_hash_ptr;
+
+  howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc);
+  if (howto == NULL)
+    {
+      bfd_set_error (bfd_error_bad_value);
+      return false;
+    }
+
+  if (link_order->u.reloc.p->addend != 0)
+    {
+      bfd_size_type size;
+      bfd_byte *buf;
+      bfd_reloc_status_type rstat;
+      boolean ok;
+
+      size = bfd_get_reloc_size (howto);
+      buf = (bfd_byte *) bfd_zmalloc (size);
+      if (buf == NULL)
+	return false;
+
+      rstat = _bfd_relocate_contents (howto, output_bfd,
+				      link_order->u.reloc.p->addend, buf);
+      switch (rstat)
+	{
+	case bfd_reloc_ok:
+	  break;
+	default:
+	case bfd_reloc_outofrange:
+	  abort ();
+	case bfd_reloc_overflow:
+	  if (! ((*finfo->info->callbacks->reloc_overflow)
+		 (finfo->info,
+		  (link_order->type == bfd_section_reloc_link_order
+		   ? bfd_section_name (output_bfd,
+				       link_order->u.reloc.p->u.section)
+		   : link_order->u.reloc.p->u.name),
+		  howto->name, link_order->u.reloc.p->addend,
+		  (bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
+	    {
+	      free (buf);
+	      return false;
+	    }
+	  break;
+	}
+      ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf,
+				     (file_ptr) link_order->offset, size);
+      free (buf);
+      if (! ok)
+	return false;
+    }
+
+  /* Store the reloc information in the right place.  It will get
+     swapped and written out at the end of the final_link routine.  */
+
+  irel = (finfo->section_info[output_section->target_index].relocs
+	  + output_section->reloc_count);
+  rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes
+		  + output_section->reloc_count);
+
+  memset (irel, 0, sizeof (struct internal_reloc));
+  *rel_hash_ptr = NULL;
+
+  irel->r_vaddr = output_section->vma + link_order->offset;
+
+  if (link_order->type == bfd_section_reloc_link_order)
+    {
+      /* We need to somehow locate a symbol in the right section.  The
+         symbol must either have a value of zero, or we must adjust
+         the addend by the value of the symbol.  FIXME: Write this
+         when we need it.  The old linker couldn't handle this anyhow.  */
+      abort ();
+      *rel_hash_ptr = NULL;
+      irel->r_symndx = 0;
+    }
+  else
+    {
+      struct coff_link_hash_entry *h;
+
+      h = ((struct coff_link_hash_entry *)
+	   bfd_wrapped_link_hash_lookup (output_bfd, finfo->info,
+					 link_order->u.reloc.p->u.name,
+					 false, false, true));
+      if (h != NULL)
+	{
+	  if (h->indx >= 0)
+	    irel->r_symndx = h->indx;
+	  else
+	    {
+	      /* Set the index to -2 to force this symbol to get
+		 written out.  */
+	      h->indx = -2;
+	      *rel_hash_ptr = h;
+	      irel->r_symndx = 0;
+	    }
+	}
+      else
+	{
+	  if (! ((*finfo->info->callbacks->unattached_reloc)
+		 (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL,
+		  (asection *) NULL, (bfd_vma) 0)))
+	    return false;
+	  irel->r_symndx = 0;
+	}
+    }
+
+  /* FIXME: Is this always right?  */
+  irel->r_type = howto->type;
+
+  /* r_size is only used on the RS/6000, which needs its own linker
+     routines anyhow.  r_extern is only used for ECOFF.  */
+
+  /* FIXME: What is the right value for r_offset?  Is zero OK?  */
+
+  ++output_section->reloc_count;
+
+  return true;
+}
+
+/* A basic reloc handling routine which may be used by processors with
+   simple relocs.  */
+
+boolean
+_bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
+				    input_section, contents, relocs, syms,
+				    sections)
+     bfd *output_bfd;
+     struct bfd_link_info *info;
+     bfd *input_bfd;
+     asection *input_section;
+     bfd_byte *contents;
+     struct internal_reloc *relocs;
+     struct internal_syment *syms;
+     asection **sections;
+{
+  struct internal_reloc *rel;
+  struct internal_reloc *relend;
+
+  rel = relocs;
+  relend = rel + input_section->reloc_count;
+  for (; rel < relend; rel++)
+    {
+      long symndx;
+      struct coff_link_hash_entry *h;
+      struct internal_syment *sym;
+      bfd_vma addend;
+      bfd_vma val;
+      reloc_howto_type *howto;
+      bfd_reloc_status_type rstat;
+
+      symndx = rel->r_symndx;
+
+      if (symndx == -1)
+	{
+	  h = NULL;
+	  sym = NULL;
+	}
+      else
+	{    
+	  h = obj_coff_sym_hashes (input_bfd)[symndx];
+	  sym = syms + symndx;
+	}
+
+      /* COFF treats common symbols in one of two ways.  Either the
+         size of the symbol is included in the section contents, or it
+         is not.  We assume that the size is not included, and force
+         the rtype_to_howto function to adjust the addend as needed.  */
+
+      if (sym != NULL && sym->n_scnum != 0)
+	addend = - sym->n_value;
+      else
+	addend = 0;
+
+
+      howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
+				       sym, &addend);
+      if (howto == NULL)
+	return false;
+
+      /* If we are doing a relocateable link, then we can just ignore
+         a PC relative reloc that is pcrel_offset.  It will already
+         have the correct value.  If this is not a relocateable link,
+         then we should ignore the symbol value.  */
+      if (howto->pc_relative && howto->pcrel_offset)
+	{
+	  if (info->relocateable)
+	    continue;
+	  if (sym != NULL && sym->n_scnum != 0)
+	    addend += sym->n_value;
+	}
+
+      val = 0;
+
+      if (h == NULL)
+	{
+	  asection *sec;
+
+	  if (symndx == -1)
+	    {
+	      sec = bfd_abs_section_ptr;
+	      val = 0;
+	    }
+	  else
+	    {
+	      sec = sections[symndx];
+              val = (sec->output_section->vma
+		     + sec->output_offset
+		     + sym->n_value);
+	      if (! obj_pe (input_bfd))
+		val -= sec->vma;
+	    }
+	}
+      else
+	{
+	  if (h->root.type == bfd_link_hash_defined
+	      || h->root.type == bfd_link_hash_defweak)
+	    {
+	      asection *sec;
+
+	      sec = h->root.u.def.section;
+	      val = (h->root.u.def.value
+		     + sec->output_section->vma
+		     + sec->output_offset);
+	      }
+
+	  else if (! info->relocateable)
+	    {
+	      if (! ((*info->callbacks->undefined_symbol)
+		     (info, h->root.root.string, input_bfd, input_section,
+		      rel->r_vaddr - input_section->vma)))
+		return false;
+	    }
+	}
+
+      if (info->base_file)
+	{
+	  /* Emit a reloc if the backend thinks it needs it. */
+	  if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto))
+	    {
+	      /* Relocation to a symbol in a section which isn't
+		 absolute.  We output the address here to a file.
+		 This file is then read by dlltool when generating the
+		 reloc section.  Note that the base file is not
+		 portable between systems.  We write out a long here,
+		 and dlltool reads in a long.  */
+	      long addr = (rel->r_vaddr 
+			   - input_section->vma 
+			   + input_section->output_offset 
+			   + input_section->output_section->vma);
+	      if (coff_data (output_bfd)->pe)
+		addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
+	      if (fwrite (&addr, 1, sizeof (long), (FILE *) info->base_file)
+		  != sizeof (long))
+		{
+		  bfd_set_error (bfd_error_system_call);
+		  return false;
+		}
+	    }
+	}
+  
+      rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
+					contents,
+					rel->r_vaddr - input_section->vma,
+					val, addend);
+
+      switch (rstat)
+	{
+	default:
+	  abort ();
+	case bfd_reloc_ok:
+	  break;
+	case bfd_reloc_outofrange:
+	  (*_bfd_error_handler)
+	    (_("%s: bad reloc address 0x%lx in section `%s'"),
+	     bfd_get_filename (input_bfd),
+	     (unsigned long) rel->r_vaddr,
+	     bfd_get_section_name (input_bfd, input_section));
+	  return false;
+	case bfd_reloc_overflow:
+	  {
+	    const char *name;
+	    char buf[SYMNMLEN + 1];
+
+	    if (symndx == -1)
+	      name = "*ABS*";
+	    else if (h != NULL)
+	      name = h->root.root.string;
+	    else
+	      {
+		name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
+		if (name == NULL)
+		  return false;
+	      }
+
+	    if (! ((*info->callbacks->reloc_overflow)
+		   (info, name, howto->name, (bfd_vma) 0, input_bfd,
+		    input_section, rel->r_vaddr - input_section->vma)))
+	      return false;
+	  }
+	}
+    }
+  return true;
+}
+