Initial revision

1 files changed, 1525 insertions, 0 deletions

diff --git a/bfd/elf-m10200.c b/bfd/elf-m10200.c
new file mode 100644
index 0000000000..53d193d870
--- /dev/null
+++ b/bfd/elf-m10200.c
@@ -0,0 +1,1525 @@
+/* Matsushita 10200 specific support for 32-bit ELF
+   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+
+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.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+
+static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
+  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+static void mn10200_info_to_howto
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static boolean mn10200_elf_relax_delete_bytes
+  PARAMS ((bfd *, asection *, bfd_vma, int));
+static boolean mn10200_elf_symbol_address_p
+  PARAMS ((bfd *, asection *, Elf32_External_Sym *, bfd_vma));
+
+/* We have to use RELA instructions since md_apply_fix3 in the assembler
+   does absolutely nothing.  */
+#define USE_RELA
+
+enum reloc_type
+{
+  R_MN10200_NONE = 0,
+  R_MN10200_32,
+  R_MN10200_16,
+  R_MN10200_8,
+  R_MN10200_24,
+  R_MN10200_PCREL8,
+  R_MN10200_PCREL16,
+  R_MN10200_PCREL24,
+  R_MN10200_MAX
+};
+
+static reloc_howto_type elf_mn10200_howto_table[] =
+{
+  /* Dummy relocation.  Does nothing.  */
+  HOWTO (R_MN10200_NONE,
+	 0,
+	 2,
+	 16,
+	 false,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_NONE",
+	 false,
+	 0,
+	 0,
+	 false),
+  /* Standard 32 bit reloc.  */
+  HOWTO (R_MN10200_32,
+	 0,
+	 2,
+	 32,
+	 false,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_32",
+	 false,
+	 0xffffffff,
+	 0xffffffff,
+	 false),
+  /* Standard 16 bit reloc.  */
+  HOWTO (R_MN10200_16,
+	 0,
+	 1,
+	 16,
+	 false,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_16",
+	 false,
+	 0xffff,
+	 0xffff,
+	 false),
+  /* Standard 8 bit reloc.  */
+  HOWTO (R_MN10200_8,
+	 0,
+	 0,
+	 8,
+	 false,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_8",
+	 false,
+	 0xff,
+	 0xff,
+	 false),
+  /* Standard 24 bit reloc.  */
+  HOWTO (R_MN10200_24,
+	 0,
+	 2,
+	 24,
+	 false,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_24",
+	 false,
+	 0xffffff,
+	 0xffffff,
+	 false),
+  /* Simple 8 pc-relative reloc.  */
+  HOWTO (R_MN10200_PCREL8,
+	 0,
+	 0,
+	 8,
+	 true,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_PCREL8",
+	 false,
+	 0xff,
+	 0xff,
+	 true),
+  /* Simple 16 pc-relative reloc.  */
+  HOWTO (R_MN10200_PCREL16,
+	 0,
+	 1,
+	 16,
+	 true,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_PCREL16",
+	 false,
+	 0xffff,
+	 0xffff,
+	 true),
+  /* Simple 32bit pc-relative reloc with a 1 byte adjustment
+     to get the pc-relative offset correct.  */
+  HOWTO (R_MN10200_PCREL24,
+	 0,
+	 2,
+	 24,
+	 true,
+	 0,
+	 complain_overflow_bitfield,
+	 bfd_elf_generic_reloc,
+	 "R_MN10200_PCREL24",
+	 false,
+	 0xffffff,
+	 0xffffff,
+	 true),
+};
+
+struct mn10200_reloc_map
+{
+  bfd_reloc_code_real_type bfd_reloc_val;
+  unsigned char elf_reloc_val;
+};
+
+static const struct mn10200_reloc_map mn10200_reloc_map[] =
+{
+  { BFD_RELOC_NONE, R_MN10200_NONE, },
+  { BFD_RELOC_32, R_MN10200_32, },
+  { BFD_RELOC_16, R_MN10200_16, },
+  { BFD_RELOC_8, R_MN10200_8, },
+  { BFD_RELOC_24, R_MN10200_24, },
+  { BFD_RELOC_8_PCREL, R_MN10200_PCREL8, },
+  { BFD_RELOC_16_PCREL, R_MN10200_PCREL16, },
+  { BFD_RELOC_24_PCREL, R_MN10200_PCREL24, },
+};
+
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_type_lookup (abfd, code)
+     bfd *abfd;
+     bfd_reloc_code_real_type code;
+{
+  unsigned int i;
+
+  for (i = 0;
+       i < sizeof (mn10200_reloc_map) / sizeof (struct mn10200_reloc_map);
+       i++)
+    {
+      if (mn10200_reloc_map[i].bfd_reloc_val == code)
+	return &elf_mn10200_howto_table[mn10200_reloc_map[i].elf_reloc_val];
+    }
+
+  return NULL;
+}
+
+/* Set the howto pointer for an MN10200 ELF reloc.  */
+
+static void
+mn10200_info_to_howto (abfd, cache_ptr, dst)
+     bfd *abfd;
+     arelent *cache_ptr;
+     Elf32_Internal_Rela *dst;
+{
+  unsigned int r_type;
+
+  r_type = ELF32_R_TYPE (dst->r_info);
+  BFD_ASSERT (r_type < (unsigned int) R_MN10200_MAX);
+  cache_ptr->howto = &elf_mn10200_howto_table[r_type];
+}
+
+/* Perform a relocation as part of a final link.  */
+static bfd_reloc_status_type
+mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
+				 input_section, contents, offset, value,
+				 addend, info, sym_sec, is_local)
+     reloc_howto_type *howto;
+     bfd *input_bfd;
+     bfd *output_bfd;
+     asection *input_section;
+     bfd_byte *contents;
+     bfd_vma offset;
+     bfd_vma value;
+     bfd_vma addend;
+     struct bfd_link_info *info;
+     asection *sym_sec;
+     int is_local;
+{
+  unsigned long r_type = howto->type;
+  bfd_byte *hit_data = contents + offset;
+
+  switch (r_type)
+    {
+
+    case R_MN10200_NONE:
+      return bfd_reloc_ok;
+
+    case R_MN10200_32:
+      value += addend;
+      bfd_put_32 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_16:
+      value += addend;
+
+      if ((long)value > 0x7fff || (long)value < -0x8000)
+	return bfd_reloc_overflow;
+
+      bfd_put_16 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_8:
+      value += addend;
+
+      if ((long)value > 0x7f || (long)value < -0x80)
+	return bfd_reloc_overflow;
+
+      bfd_put_8 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_24:
+      value += addend;
+
+      if ((long)value > 0x7fffff || (long)value < -0x800000)
+	return bfd_reloc_overflow;
+
+      value &= 0xffffff;
+      value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
+      bfd_put_32 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_PCREL8:
+      value -= (input_section->output_section->vma
+		+ input_section->output_offset);
+      value -= (offset + 1);
+      value += addend;
+
+      if ((long)value > 0xff || (long)value < -0x100)
+        return bfd_reloc_overflow;
+
+      bfd_put_8 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_PCREL16:
+      value -= (input_section->output_section->vma
+		+ input_section->output_offset);
+      value -= (offset + 2);
+      value += addend;
+
+      if ((long)value > 0xffff || (long)value < -0x10000)
+        return bfd_reloc_overflow;
+
+      bfd_put_16 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    case R_MN10200_PCREL24:
+      value -= (input_section->output_section->vma
+		+ input_section->output_offset);
+      value -= (offset + 3);
+      value += addend;
+
+      if ((long)value > 0xffffff || (long)value < -0x1000000)
+        return bfd_reloc_overflow;
+
+      value &= 0xffffff;
+      value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
+      bfd_put_32 (input_bfd, value, hit_data);
+      return bfd_reloc_ok;
+
+    default:
+      return bfd_reloc_notsupported;
+    }
+}
+
+
+/* Relocate an MN10200 ELF section.  */
+static boolean
+mn10200_elf_relocate_section (output_bfd, info, input_bfd, input_section,
+			      contents, relocs, local_syms, local_sections)
+     bfd *output_bfd;
+     struct bfd_link_info *info;
+     bfd *input_bfd;
+     asection *input_section;
+     bfd_byte *contents;
+     Elf_Internal_Rela *relocs;
+     Elf_Internal_Sym *local_syms;
+     asection **local_sections;
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  struct elf_link_hash_entry **sym_hashes;
+  Elf_Internal_Rela *rel, *relend;
+
+  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (input_bfd);
+
+  rel = relocs;
+  relend = relocs + input_section->reloc_count;
+  for (; rel < relend; rel++)
+    {
+      int r_type;
+      reloc_howto_type *howto;
+      unsigned long r_symndx;
+      Elf_Internal_Sym *sym;
+      asection *sec;
+      struct elf_link_hash_entry *h;
+      bfd_vma relocation;
+      bfd_reloc_status_type r;
+
+      r_symndx = ELF32_R_SYM (rel->r_info);
+      r_type = ELF32_R_TYPE (rel->r_info);
+      howto = elf_mn10200_howto_table + r_type;
+
+      if (info->relocateable)
+	{
+	  /* This is a relocateable link.  We don't have to change
+             anything, unless the reloc is against a section symbol,
+             in which case we have to adjust according to where the
+             section symbol winds up in the output section.  */
+	  if (r_symndx < symtab_hdr->sh_info)
+	    {
+	      sym = local_syms + r_symndx;
+	      if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+		{
+		  sec = local_sections[r_symndx];
+		  rel->r_addend += sec->output_offset + sym->st_value;
+		}
+	    }
+
+	  continue;
+	}
+
+      /* This is a final link.  */
+      h = NULL;
+      sym = NULL;
+      sec = NULL;
+      if (r_symndx < symtab_hdr->sh_info)
+	{
+	  sym = local_syms + r_symndx;
+	  sec = local_sections[r_symndx];
+	  relocation = (sec->output_section->vma
+			+ sec->output_offset
+			+ sym->st_value);
+	}
+      else
+	{
+	  h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+	  while (h->root.type == bfd_link_hash_indirect
+		 || h->root.type == bfd_link_hash_warning)
+	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
+	  if (h->root.type == bfd_link_hash_defined
+	      || h->root.type == bfd_link_hash_defweak)
+	    {
+	      sec = h->root.u.def.section;
+	      relocation = (h->root.u.def.value
+			    + sec->output_section->vma
+			    + sec->output_offset);
+	    }
+	  else if (h->root.type == bfd_link_hash_undefweak)
+	    relocation = 0;
+	  else
+	    {
+	      if (! ((*info->callbacks->undefined_symbol)
+		     (info, h->root.root.string, input_bfd,
+		      input_section, rel->r_offset)))
+		return false;
+	      relocation = 0;
+	    }
+	}
+
+      r = mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
+					   input_section,
+					   contents, rel->r_offset,
+					   relocation, rel->r_addend,
+					   info, sec, h == NULL);
+
+      if (r != bfd_reloc_ok)
+	{
+	  const char *name;
+	  const char *msg = (const char *)0;
+
+	  if (h != NULL)
+	    name = h->root.root.string;
+	  else
+	    {
+	      name = (bfd_elf_string_from_elf_section
+		      (input_bfd, symtab_hdr->sh_link, sym->st_name));
+	      if (name == NULL || *name == '\0')
+		name = bfd_section_name (input_bfd, sec);
+	    }
+
+	  switch (r)
+	    {
+	    case bfd_reloc_overflow:
+	      if (! ((*info->callbacks->reloc_overflow)
+		     (info, name, howto->name, (bfd_vma) 0,
+		      input_bfd, input_section, rel->r_offset)))
+		return false;
+	      break;
+
+	    case bfd_reloc_undefined:
+	      if (! ((*info->callbacks->undefined_symbol)
+		     (info, name, input_bfd, input_section,
+		      rel->r_offset)))
+		return false;
+	      break;
+
+	    case bfd_reloc_outofrange:
+	      msg = _("internal error: out of range error");
+	      goto common_error;
+
+	    case bfd_reloc_notsupported:
+	      msg = _("internal error: unsupported relocation error");
+	      goto common_error;
+
+	    case bfd_reloc_dangerous:
+	      msg = _("internal error: dangerous error");
+	      goto common_error;
+
+	    default:
+	      msg = _("internal error: unknown error");
+	      /* fall through */
+
+	    common_error:
+	      if (!((*info->callbacks->warning)
+		    (info, msg, name, input_bfd, input_section,
+		     rel->r_offset)))
+		return false;
+	      break;
+	    }
+	}
+    }
+
+  return true;
+}
+
+/* This function handles relaxing for the mn10200.
+
+   There's quite a few relaxing opportunites available on the mn10200:
+
+	* jsr:24 -> jsr:16 					   2 bytes
+
+	* jmp:24 -> jmp:16					   2 bytes
+	* jmp:16 -> bra:8					   1 byte
+
+		* If the previous instruction is a conditional branch
+		around the jump/bra, we may be able to reverse its condition
+		and change its target to the jump's target.  The jump/bra
+		can then be deleted.				   2 bytes
+
+	* mov abs24 -> mov abs16	2 byte savings
+
+	* Most instructions which accept imm24 can relax to imm16  2 bytes
+	- Most instructions which accept imm16 can relax to imm8   1 byte
+
+	* Most instructions which accept d24 can relax to d16	   2 bytes
+	- Most instructions which accept d16 can relax to d8	   1 byte
+
+	abs24, imm24, d24 all look the same at the reloc level.  It
+	might make the code simpler if we had different relocs for
+	the various relaxable operand types.
+   
+	We don't handle imm16->imm8 or d16->d8 as they're very rare
+	and somewhat more difficult to support.  */
+
+static boolean 
+mn10200_elf_relax_section (abfd, sec, link_info, again)
+     bfd *abfd;
+     asection *sec;
+     struct bfd_link_info *link_info;
+     boolean *again;
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  Elf_Internal_Rela *internal_relocs;
+  Elf_Internal_Rela *free_relocs = NULL;
+  Elf_Internal_Rela *irel, *irelend;
+  bfd_byte *contents = NULL;
+  bfd_byte *free_contents = NULL;
+  Elf32_External_Sym *extsyms = NULL;
+  Elf32_External_Sym *free_extsyms = NULL;
+
+  /* Assume nothing changes.  */
+  *again = false;
+
+  /* We don't have to do anything for a relocateable link, if
+     this section does not have relocs, or if this is not a
+     code section.  */
+  if (link_info->relocateable
+      || (sec->flags & SEC_RELOC) == 0
+      || sec->reloc_count == 0
+      || (sec->flags & SEC_CODE) == 0)
+    return true;
+
+  /* If this is the first time we have been called for this section,
+     initialize the cooked size.  */
+  if (sec->_cooked_size == 0)
+    sec->_cooked_size = sec->_raw_size;
+
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+
+  /* Get a copy of the native relocations.  */
+  internal_relocs = (_bfd_elf32_link_read_relocs
+		     (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
+		      link_info->keep_memory));
+  if (internal_relocs == NULL)
+    goto error_return;
+  if (! link_info->keep_memory)
+    free_relocs = internal_relocs;
+
+  /* Walk through them looking for relaxing opportunities.  */
+  irelend = internal_relocs + sec->reloc_count;
+  for (irel = internal_relocs; irel < irelend; irel++)
+    {
+      bfd_vma symval;
+
+      /* If this isn't something that can be relaxed, then ignore
+	 this reloc.  */
+      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_NONE
+	  || ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_8
+	  || ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_MAX)
+	continue;
+
+      /* Get the section contents if we haven't done so already.  */
+      if (contents == NULL)
+	{
+	  /* Get cached copy if it exists.  */
+	  if (elf_section_data (sec)->this_hdr.contents != NULL)
+	    contents = elf_section_data (sec)->this_hdr.contents;
+	  else
+	    {
+	      /* Go get them off disk.  */
+	      contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
+	      if (contents == NULL)
+		goto error_return;
+	      free_contents = contents;
+
+	      if (! bfd_get_section_contents (abfd, sec, contents,
+					      (file_ptr) 0, sec->_raw_size))
+		goto error_return;
+	    }
+	}
+
+      /* Read this BFD's symbols if we haven't done so already.  */
+      if (extsyms == NULL)
+	{
+	  /* Get cached copy if it exists.  */
+	  if (symtab_hdr->contents != NULL)
+	    extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
+	  else
+	    {
+	      /* Go get them off disk.  */
+	      extsyms = ((Elf32_External_Sym *)
+			 bfd_malloc (symtab_hdr->sh_size));
+	      if (extsyms == NULL)
+		goto error_return;
+	      free_extsyms = extsyms;
+	      if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
+		  || (bfd_read (extsyms, 1, symtab_hdr->sh_size, abfd)
+		      != symtab_hdr->sh_size))
+		goto error_return;
+	    }
+	}
+
+      /* Get the value of the symbol referred to by the reloc.  */
+      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
+	{
+	  Elf_Internal_Sym isym;
+	  asection *sym_sec;
+
+	  /* A local symbol.  */
+	  bfd_elf32_swap_symbol_in (abfd,
+				    extsyms + ELF32_R_SYM (irel->r_info),
+				    &isym);
+
+	  sym_sec = bfd_section_from_elf_index (abfd, isym.st_shndx);
+	  symval = (isym.st_value
+		    + sym_sec->output_section->vma
+		    + sym_sec->output_offset);
+	}
+      else
+	{
+	  unsigned long indx;
+	  struct elf_link_hash_entry *h;
+
+	  /* An external symbol.  */
+	  indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
+	  h = elf_sym_hashes (abfd)[indx];
+	  BFD_ASSERT (h != NULL);
+	  if (h->root.type != bfd_link_hash_defined
+	      && h->root.type != bfd_link_hash_defweak)
+	    {
+	      /* This appears to be a reference to an undefined
+                 symbol.  Just ignore it--it will be caught by the
+                 regular reloc processing.  */
+	      continue;
+	    }
+
+	  symval = (h->root.u.def.value
+		    + h->root.u.def.section->output_section->vma
+		    + h->root.u.def.section->output_offset);
+	}
+
+      /* For simplicity of coding, we are going to modify the section
+	 contents, the section relocs, and the BFD symbol table.  We
+	 must tell the rest of the code not to free up this
+	 information.  It would be possible to instead create a table
+	 of changes which have to be made, as is done in coff-mips.c;
+	 that would be more work, but would require less memory when
+	 the linker is run.  */
+
+
+      /* Try to turn a 24bit pc-relative branch/call into a 16bit pc-relative
+	 branch/call.  */
+      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL24)
+	{
+	  bfd_vma value = symval;
+
+	  /* Deal with pc-relative gunk.  */
+	  value -= (sec->output_section->vma + sec->output_offset);
+	  value -= (irel->r_offset + 3);
+	  value += irel->r_addend;
+
+	  /* See if the value will fit in 16 bits, note the high value is
+	     0x7fff + 2 as the target will be two bytes closer if we are
+	     able to relax.  */
+	  if ((long)value < 0x8001 && (long)value > -0x8000)
+	    {
+	      unsigned char code;
+
+	      /* Get the opcode.  */
+	      code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
+
+	      if (code != 0xe0 && code != 0xe1)
+		continue;
+
+	      /* Note that we've changed the relocs, section contents, etc.  */
+	      elf_section_data (sec)->relocs = internal_relocs;
+	      free_relocs = NULL;
+
+	      elf_section_data (sec)->this_hdr.contents = contents;
+	      free_contents = NULL;
+
+	      symtab_hdr->contents = (bfd_byte *) extsyms;
+	      free_extsyms = NULL;
+
+	      /* Fix the opcode.  */
+	      if (code == 0xe0)
+		bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 2);
+	      else if (code == 0xe1)
+		bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 2);
+
+	      /* Fix the relocation's type.  */
+	      irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					   R_MN10200_PCREL16);
+
+	      /* The opcode got shorter too, so we have to fix the offset.  */
+	      irel->r_offset -= 1;
+
+	      /* Delete two bytes of data.  */
+	      if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						   irel->r_offset + 1, 2))
+		goto error_return;
+
+	      /* That will change things, so, we should relax again.
+		 Note that this is not required, and it may be slow.  */
+	      *again = true;
+	    }
+	}
+
+      /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
+	 branch.  */
+      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL16)
+	{
+	  bfd_vma value = symval;
+
+	  /* Deal with pc-relative gunk.  */
+	  value -= (sec->output_section->vma + sec->output_offset);
+	  value -= (irel->r_offset + 2);
+	  value += irel->r_addend;
+
+	  /* See if the value will fit in 8 bits, note the high value is
+	     0x7f + 1 as the target will be one bytes closer if we are
+	     able to relax.  */
+	  if ((long)value < 0x80 && (long)value > -0x80)
+	    {
+	      unsigned char code;
+
+	      /* Get the opcode.  */
+	      code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
+
+	      if (code != 0xfc)
+		continue;
+
+	      /* Note that we've changed the relocs, section contents, etc.  */
+	      elf_section_data (sec)->relocs = internal_relocs;
+	      free_relocs = NULL;
+
+	      elf_section_data (sec)->this_hdr.contents = contents;
+	      free_contents = NULL;
+
+	      symtab_hdr->contents = (bfd_byte *) extsyms;
+	      free_extsyms = NULL;
+
+	      /* Fix the opcode.  */
+	      bfd_put_8 (abfd, 0xea, contents + irel->r_offset - 1);
+
+	      /* Fix the relocation's type.  */
+	      irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					   R_MN10200_PCREL8);
+
+	      /* Delete one byte of data.  */
+	      if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						   irel->r_offset + 1, 1))
+		goto error_return;
+
+	      /* That will change things, so, we should relax again.
+		 Note that this is not required, and it may be slow.  */
+	      *again = true;
+	    }
+	}
+
+      /* Try to eliminate an unconditional 8 bit pc-relative branch
+	 which immediately follows a conditional 8 bit pc-relative
+	 branch around the unconditional branch.
+
+	    original:		new:
+	    bCC lab1		bCC' lab2
+	    bra lab2
+	   lab1:	       lab1:
+
+
+	 This happens when the bCC can't reach lab2 at assembly time,
+	 but due to other relaxations it can reach at link time.  */
+      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL8)
+	{
+	  Elf_Internal_Rela *nrel;
+	  bfd_vma value = symval;
+	  unsigned char code;
+
+	  /* Deal with pc-relative gunk.  */
+	  value -= (sec->output_section->vma + sec->output_offset);
+	  value -= (irel->r_offset + 1);
+	  value += irel->r_addend;
+
+	  /* Do nothing if this reloc is the last byte in the section.  */
+	  if (irel->r_offset == sec->_cooked_size)
+	    continue;
+
+	  /* See if the next instruction is an unconditional pc-relative
+	     branch, more often than not this test will fail, so we
+	     test it first to speed things up.  */
+	  code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
+	  if (code != 0xea)
+	    continue;
+
+	  /* Also make sure the next relocation applies to the next
+	     instruction and that it's a pc-relative 8 bit branch.  */
+	  nrel = irel + 1;
+	  if (nrel == irelend
+	      || irel->r_offset + 2 != nrel->r_offset
+	      || ELF32_R_TYPE (nrel->r_info) != (int) R_MN10200_PCREL8)
+	    continue;
+
+	  /* Make sure our destination immediately follows the
+	     unconditional branch.  */
+	  if (symval != (sec->output_section->vma + sec->output_offset
+			 + irel->r_offset + 3))
+	    continue;
+
+	  /* Now make sure we are a conditional branch.  This may not
+	     be necessary, but why take the chance. 
+
+	     Note these checks assume that R_MN10200_PCREL8 relocs
+	     only occur on bCC and bCCx insns.  If they occured
+	     elsewhere, we'd need to know the start of this insn
+	     for this check to be accurate.  */
+	  code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
+	  if (code != 0xe0 && code != 0xe1 && code != 0xe2
+	      && code != 0xe3 && code != 0xe4 && code != 0xe5
+	      && code != 0xe6 && code != 0xe7 && code != 0xe8
+	      && code != 0xe9 && code != 0xec && code != 0xed
+	      && code != 0xee && code != 0xef && code != 0xfc
+	      && code != 0xfd && code != 0xfe && code != 0xff)
+	    continue;
+
+	  /* We also have to be sure there is no symbol/label
+	     at the unconditional branch.  */
+	  if (mn10200_elf_symbol_address_p (abfd, sec, extsyms,
+					    irel->r_offset + 1))
+	    continue;
+
+	  /* Note that we've changed the relocs, section contents, etc.  */
+	  elf_section_data (sec)->relocs = internal_relocs;
+	  free_relocs = NULL;
+
+	  elf_section_data (sec)->this_hdr.contents = contents;
+	  free_contents = NULL;
+
+	  symtab_hdr->contents = (bfd_byte *) extsyms;
+	  free_extsyms = NULL;
+
+	  /* Reverse the condition of the first branch.  */
+	  switch (code)
+	    {
+	      case 0xfc:
+		code = 0xfd;
+		break;
+	      case 0xfd:
+		code = 0xfc;
+		break;
+	      case 0xfe:
+		code = 0xff;
+		break;
+	      case 0xff:
+		code = 0xfe;
+		break;
+	      case 0xe8:
+		code = 0xe9;
+		break;
+	      case 0xe9:
+		code = 0xe8;
+		break;
+	      case 0xe0:
+		code = 0xe2;
+		break;
+	      case 0xe2:
+		code = 0xe0;
+		break;
+	      case 0xe3:
+		code = 0xe1;
+		break;
+	      case 0xe1:
+		code = 0xe3;
+		break;
+	      case 0xe4:
+		code = 0xe6;
+		break;
+	      case 0xe6:
+		code = 0xe4;
+		break;
+	      case 0xe7:
+		code = 0xe5;
+		break;
+	      case 0xe5:
+		code = 0xe7;
+		break;
+	      case 0xec:
+		code = 0xed;
+		break;
+	      case 0xed:
+		code = 0xec;
+		break;
+	      case 0xee:
+		code = 0xef;
+		break;
+	      case 0xef:
+		code = 0xee;
+		break;
+	    }
+	  bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
+	  
+	  /* Set the reloc type and symbol for the first branch
+	     from the second branch.  */
+	  irel->r_info = nrel->r_info;
+
+	  /* Make the reloc for the second branch a null reloc.  */
+	  nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
+				       R_MN10200_NONE);
+
+	  /* Delete two bytes of data.  */
+	  if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+					       irel->r_offset + 1, 2))
+	    goto error_return;
+
+	  /* That will change things, so, we should relax again.
+	     Note that this is not required, and it may be slow.  */
+	  *again = true;
+	}
+
+      /* Try to turn a 24bit immediate, displacement or absolute address
+	 into a 16bit immediate, displacement or absolute address.  */
+      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_24)
+	{
+	  bfd_vma value = symval;
+
+	  /* See if the value will fit in 16 bits. 
+	     We allow any 16bit match here.  We prune those we can't
+	     handle below.  */
+	  if ((long)value < 0x7fff && (long)value > -0x8000)
+	    {
+	      unsigned char code;
+
+	      /* All insns which have 24bit operands are 5 bytes long,
+		 the first byte will always be 0xf4, but we double check
+		 it just in case.  */
+
+	      /* Get the first opcode.  */
+	      code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
+
+	      if (code != 0xf4)
+		continue;
+
+	      /* Get the second opcode.  */
+	      code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
+
+	      switch (code & 0xfc)
+		{
+		/* mov imm24,dn -> mov imm16,dn */
+		case 0x70:
+		  /* Not safe if the high bit is on as relaxing may
+		     move the value out of high mem and thus not fit
+		     in a signed 16bit value.  */
+		  if (value & 0x8000)
+		    continue;
+
+		  /* Note that we've changed the reldection contents, etc.  */
+		  elf_section_data (sec)->relocs = internal_relocs;
+		  free_relocs = NULL;
+
+		  elf_section_data (sec)->this_hdr.contents = contents;
+		  free_contents = NULL;
+
+		  symtab_hdr->contents = (bfd_byte *) extsyms;
+		  free_extsyms = NULL;
+
+		  /* Fix the opcode.  */
+		  bfd_put_8 (abfd, 0xf8 + (code & 0x03),
+			     contents + irel->r_offset - 2);
+
+		  /* Fix the relocation's type.  */
+		  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					       R_MN10200_16);
+
+		  /* The opcode got shorter too, so we have to fix the
+		     offset.  */
+		  irel->r_offset -= 1;
+
+		  /* Delete two bytes of data.  */
+		  if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						       irel->r_offset + 1, 2))
+		    goto error_return;
+
+		  /* That will change things, so, we should relax again.
+		     Note that this is not required, and it may be slow.  */
+		  *again = true;
+		  break;
+
+		/* mov imm24,an -> mov imm16,an 
+		   cmp imm24,an -> cmp imm16,an
+		   mov (abs24),dn -> mov (abs16),dn
+		   mov dn,(abs24) -> mov dn,(abs16)
+		   movb dn,(abs24) -> movb dn,(abs16)
+		   movbu (abs24),dn -> movbu (abs16),dn */
+		case 0x74:
+		case 0x7c:
+		case 0xc0:
+		case 0x40:
+		case 0x44:
+		case 0xc8:
+		  /* Note that we've changed the reldection contents, etc.  */
+		  elf_section_data (sec)->relocs = internal_relocs;
+		  free_relocs = NULL;
+
+		  elf_section_data (sec)->this_hdr.contents = contents;
+		  free_contents = NULL;
+
+		  symtab_hdr->contents = (bfd_byte *) extsyms;
+		  free_extsyms = NULL;
+
+		  if ((code & 0xfc) == 0x74)
+		    code = 0xdc + (code & 0x03);
+		  else if ((code & 0xfc) == 0x7c)
+		    code = 0xec + (code & 0x03);
+		  else if ((code & 0xfc) == 0xc0)
+		    code = 0xc8 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x40)
+		    code = 0xc0 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x44)
+		    code = 0xc4 + (code & 0x03);
+		  else if ((code & 0xfc) == 0xc8)
+		    code = 0xcc + (code & 0x03);
+
+		  /* Fix the opcode.  */
+		  bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
+
+		  /* Fix the relocation's type.  */
+		  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					       R_MN10200_16);
+
+		  /* The opcode got shorter too, so we have to fix the
+		     offset.  */
+		  irel->r_offset -= 1;
+
+		  /* Delete two bytes of data.  */
+		  if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						       irel->r_offset + 1, 2))
+		    goto error_return;
+
+		  /* That will change things, so, we should relax again.
+		     Note that this is not required, and it may be slow.  */
+		  *again = true;
+		  break;
+
+		/* cmp imm24,dn -> cmp imm16,dn
+		   mov (abs24),an -> mov (abs16),an
+		   mov an,(abs24) -> mov an,(abs16)
+		   add imm24,dn -> add imm16,dn
+		   add imm24,an -> add imm16,an
+		   sub imm24,dn -> sub imm16,dn
+		   sub imm24,an -> sub imm16,an 
+		   And all d24->d16 in memory ops.  */
+		case 0x78:
+		case 0xd0:
+		case 0x50:
+		case 0x60:
+		case 0x64:
+		case 0x68:
+		case 0x6c:
+		case 0x80:
+		case 0xf0:
+		case 0x00:
+		case 0x10:
+		case 0xb0:
+		case 0x30:
+		case 0xa0:
+		case 0x20:
+		case 0x90:
+		  /* Not safe if the high bit is on as relaxing may
+		     move the value out of high mem and thus not fit
+		     in a signed 16bit value.  */
+		  if (((code & 0xfc) == 0x78
+			|| (code & 0xfc) == 0x60
+			|| (code & 0xfc) == 0x64
+			|| (code & 0xfc) == 0x68
+			|| (code & 0xfc) == 0x6c
+			|| (code & 0xfc) == 0x80
+			|| (code & 0xfc) == 0xf0
+			|| (code & 0xfc) == 0x00
+			|| (code & 0xfc) == 0x10
+			|| (code & 0xfc) == 0xb0
+			|| (code & 0xfc) == 0x30
+			|| (code & 0xfc) == 0xa0
+			|| (code & 0xfc) == 0x20
+			|| (code & 0xfc) == 0x90)
+		       && (value & 0x8000) != 0)
+		    continue;
+
+		  /* Note that we've changed the reldection contents, etc.  */
+		  elf_section_data (sec)->relocs = internal_relocs;
+		  free_relocs = NULL;
+
+		  elf_section_data (sec)->this_hdr.contents = contents;
+		  free_contents = NULL;
+
+		  symtab_hdr->contents = (bfd_byte *) extsyms;
+		  free_extsyms = NULL;
+
+		  /* Fix the opcode.  */
+		  bfd_put_8 (abfd, 0xf7, contents + irel->r_offset - 2);
+
+		  if ((code & 0xfc) == 0x78)
+		    code = 0x48 + (code & 0x03);
+		  else if ((code & 0xfc) == 0xd0)
+		    code = 0x30 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x50)
+		    code = 0x20 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x60)
+		    code = 0x18 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x64)
+		    code = 0x08 + (code & 0x03);
+		  else if ((code & 0xfc) == 0x68)
+		    code = 0x1c + (code & 0x03);
+		  else if ((code & 0xfc) == 0x6c)
+		    code = 0x0c + (code & 0x03);
+		  else if ((code & 0xfc) == 0x80)
+		    code = 0xc0 + (code & 0x07);
+		  else if ((code & 0xfc) == 0xf0)
+		    code = 0xb0 + (code & 0x07);
+		  else if ((code & 0xfc) == 0x00)
+		    code = 0x80 + (code & 0x07);
+		  else if ((code & 0xfc) == 0x10)
+		    code = 0xa0 + (code & 0x07);
+		  else if ((code & 0xfc) == 0xb0)
+		    code = 0x70 + (code & 0x07);
+		  else if ((code & 0xfc) == 0x30)
+		    code = 0x60 + (code & 0x07);
+		  else if ((code & 0xfc) == 0xa0)
+		    code = 0xd0 + (code & 0x07);
+		  else if ((code & 0xfc) == 0x20)
+		    code = 0x90 + (code & 0x07);
+		  else if ((code & 0xfc) == 0x90)
+		    code = 0x50 + (code & 0x07);
+
+		  bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
+
+		  /* Fix the relocation's type.  */
+		  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					       R_MN10200_16);
+
+		  /* Delete one bytes of data.  */
+		  if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						       irel->r_offset + 2, 1))
+		    goto error_return;
+
+		  /* That will change things, so, we should relax again.
+		     Note that this is not required, and it may be slow.  */
+		  *again = true;
+		  break;
+
+		/* movb (abs24),dn ->movbu (abs16),dn extxb bn */
+		case 0xc4:
+		  /* Note that we've changed the reldection contents, etc.  */
+		  elf_section_data (sec)->relocs = internal_relocs;
+		  free_relocs = NULL;
+
+		  elf_section_data (sec)->this_hdr.contents = contents;
+		  free_contents = NULL;
+
+		  symtab_hdr->contents = (bfd_byte *) extsyms;
+		  free_extsyms = NULL;
+
+		  bfd_put_8 (abfd, 0xcc + (code & 0x03),
+			     contents + irel->r_offset - 2);
+
+		  bfd_put_8 (abfd, 0xb8 + (code & 0x03),
+			     contents + irel->r_offset - 1);
+
+		  /* Fix the relocation's type.  */
+		  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+					       R_MN10200_16);
+
+		  /* The reloc will be applied one byte in front of its
+		     current location.  */
+		  irel->r_offset -= 1;
+
+		  /* Delete one bytes of data.  */
+		  if (!mn10200_elf_relax_delete_bytes (abfd, sec,
+						       irel->r_offset + 2, 1))
+		    goto error_return;
+
+		  /* That will change things, so, we should relax again.
+		     Note that this is not required, and it may be slow.  */
+		  *again = true;
+		  break;
+		}
+	    }
+	}
+    }
+
+  if (free_relocs != NULL)
+    {
+      free (free_relocs);
+      free_relocs = NULL;
+    }
+
+  if (free_contents != NULL)
+    {
+      if (! link_info->keep_memory)
+	free (free_contents);
+      else
+	{
+	  /* Cache the section contents for elf_link_input_bfd.  */
+	  elf_section_data (sec)->this_hdr.contents = contents;
+	}
+      free_contents = NULL;
+    }
+
+  if (free_extsyms != NULL)
+    {
+      if (! link_info->keep_memory)
+	free (free_extsyms);
+      else
+	{
+	  /* Cache the symbols for elf_link_input_bfd.  */
+	  symtab_hdr->contents = extsyms;
+	}
+      free_extsyms = NULL;
+    }
+
+  return true;
+
+ error_return:
+  if (free_relocs != NULL)
+    free (free_relocs);
+  if (free_contents != NULL)
+    free (free_contents);
+  if (free_extsyms != NULL)
+    free (free_extsyms);
+  return false;
+}
+
+/* Delete some bytes from a section while relaxing.  */
+
+static boolean
+mn10200_elf_relax_delete_bytes (abfd, sec, addr, count)
+     bfd *abfd;
+     asection *sec;
+     bfd_vma addr;
+     int count;
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  Elf32_External_Sym *extsyms;
+  int shndx, index;
+  bfd_byte *contents;
+  Elf_Internal_Rela *irel, *irelend;
+  Elf_Internal_Rela *irelalign;
+  bfd_vma toaddr;
+  Elf32_External_Sym *esym, *esymend;
+  struct elf_link_hash_entry *sym_hash;
+
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+  extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
+
+  shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+
+  contents = elf_section_data (sec)->this_hdr.contents;
+
+  /* The deletion must stop at the next ALIGN reloc for an aligment
+     power larger than the number of bytes we are deleting.  */
+
+  irelalign = NULL;
+  toaddr = sec->_cooked_size;
+
+  irel = elf_section_data (sec)->relocs;
+  irelend = irel + sec->reloc_count;
+
+  /* Actually delete the bytes.  */
+  memmove (contents + addr, contents + addr + count, toaddr - addr - count);
+  sec->_cooked_size -= count;
+
+  /* Adjust all the relocs.  */
+  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
+    {
+      /* Get the new reloc address.  */
+      if ((irel->r_offset > addr
+	   && irel->r_offset < toaddr))
+	irel->r_offset -= count;
+    }
+
+  /* Adjust the local symbols defined in this section.  */
+  esym = extsyms;
+  esymend = esym + symtab_hdr->sh_info;
+  for (; esym < esymend; esym++)
+    {
+      Elf_Internal_Sym isym;
+
+      bfd_elf32_swap_symbol_in (abfd, esym, &isym);
+
+      if (isym.st_shndx == shndx
+	  && isym.st_value > addr
+	  && isym.st_value < toaddr)
+	{
+	  isym.st_value -= count;
+	  bfd_elf32_swap_symbol_out (abfd, &isym, esym);
+	}
+    }
+
+  /* Now adjust the global symbols defined in this section.  */
+  esym = extsyms + symtab_hdr->sh_info;
+  esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
+  for (index = 0; esym < esymend; esym++, index++)
+    {
+      Elf_Internal_Sym isym;
+
+      bfd_elf32_swap_symbol_in (abfd, esym, &isym);
+      sym_hash = elf_sym_hashes (abfd)[index];
+      if (isym.st_shndx == shndx
+	  && ((sym_hash)->root.type == bfd_link_hash_defined
+	      || (sym_hash)->root.type == bfd_link_hash_defweak)
+	  && (sym_hash)->root.u.def.section == sec
+	  && (sym_hash)->root.u.def.value > addr
+	  && (sym_hash)->root.u.def.value < toaddr)
+	{
+	  (sym_hash)->root.u.def.value -= count;
+	}
+    }
+
+  return true;
+}
+
+/* Return true if a symbol exists at the given address, else return
+   false.  */
+static boolean
+mn10200_elf_symbol_address_p (abfd, sec, extsyms, addr)
+     bfd *abfd;
+     asection *sec;
+     Elf32_External_Sym *extsyms;
+     bfd_vma addr;
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  int shndx;
+  Elf32_External_Sym *esym, *esymend;
+  struct elf_link_hash_entry **sym_hash, **sym_hash_end;
+
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+  shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+
+  /* Examine all the symbols.  */
+  esym = extsyms;
+  esymend = esym + symtab_hdr->sh_info;
+  for (; esym < esymend; esym++)
+    {
+      Elf_Internal_Sym isym;
+
+      bfd_elf32_swap_symbol_in (abfd, esym, &isym);
+
+      if (isym.st_shndx == shndx
+	  && isym.st_value == addr)
+	return true;
+    }
+
+  sym_hash = elf_sym_hashes (abfd);
+  sym_hash_end = (sym_hash
+		  + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
+		     - symtab_hdr->sh_info));
+  for (; sym_hash < sym_hash_end; sym_hash++)
+    {
+      if (((*sym_hash)->root.type == bfd_link_hash_defined
+	   || (*sym_hash)->root.type == bfd_link_hash_defweak)
+	  && (*sym_hash)->root.u.def.section == sec
+	  && (*sym_hash)->root.u.def.value == addr)
+	return true;
+    }
+  return false;
+}
+
+/* This is a version of bfd_generic_get_relocated_section_contents
+   which uses mn10200_elf_relocate_section.  */
+
+static bfd_byte *
+mn10200_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
+					    data, relocateable, symbols)
+     bfd *output_bfd;
+     struct bfd_link_info *link_info;
+     struct bfd_link_order *link_order;
+     bfd_byte *data;
+     boolean relocateable;
+     asymbol **symbols;
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  asection *input_section = link_order->u.indirect.section;
+  bfd *input_bfd = input_section->owner;
+  asection **sections = NULL;
+  Elf_Internal_Rela *internal_relocs = NULL;
+  Elf32_External_Sym *external_syms = NULL;
+  Elf_Internal_Sym *internal_syms = NULL;
+
+  /* We only need to handle the case of relaxing, or of having a
+     particular set of section contents, specially.  */
+  if (relocateable
+      || elf_section_data (input_section)->this_hdr.contents == NULL)
+    return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
+						       link_order, data,
+						       relocateable,
+						       symbols);
+
+  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+
+  memcpy (data, elf_section_data (input_section)->this_hdr.contents,
+	  input_section->_raw_size);
+
+  if ((input_section->flags & SEC_RELOC) != 0
+      && input_section->reloc_count > 0)
+    {
+      Elf_Internal_Sym *isymp;
+      asection **secpp;
+      Elf32_External_Sym *esym, *esymend;
+
+      if (symtab_hdr->contents != NULL)
+	external_syms = (Elf32_External_Sym *) symtab_hdr->contents;
+      else
+	{
+	  external_syms = ((Elf32_External_Sym *)
+			   bfd_malloc (symtab_hdr->sh_info
+				       * sizeof (Elf32_External_Sym)));
+	  if (external_syms == NULL && symtab_hdr->sh_info > 0)
+	    goto error_return;
+	  if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
+	      || (bfd_read (external_syms, sizeof (Elf32_External_Sym),
+			    symtab_hdr->sh_info, input_bfd)
+		  != (symtab_hdr->sh_info * sizeof (Elf32_External_Sym))))
+	    goto error_return;
+	}
+
+      internal_relocs = (_bfd_elf32_link_read_relocs
+			 (input_bfd, input_section, (PTR) NULL,
+			  (Elf_Internal_Rela *) NULL, false));
+      if (internal_relocs == NULL)
+	goto error_return;
+
+      internal_syms = ((Elf_Internal_Sym *)
+		       bfd_malloc (symtab_hdr->sh_info
+				   * sizeof (Elf_Internal_Sym)));
+      if (internal_syms == NULL && symtab_hdr->sh_info > 0)
+	goto error_return;
+
+      sections = (asection **) bfd_malloc (symtab_hdr->sh_info
+					   * sizeof (asection *));
+      if (sections == NULL && symtab_hdr->sh_info > 0)
+	goto error_return;
+
+      isymp = internal_syms;
+      secpp = sections;
+      esym = external_syms;
+      esymend = esym + symtab_hdr->sh_info;
+      for (; esym < esymend; ++esym, ++isymp, ++secpp)
+	{
+	  asection *isec;
+
+	  bfd_elf32_swap_symbol_in (input_bfd, esym, isymp);
+
+	  if (isymp->st_shndx == SHN_UNDEF)
+	    isec = bfd_und_section_ptr;
+	  else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
+	    isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
+	  else if (isymp->st_shndx == SHN_ABS)
+	    isec = bfd_abs_section_ptr;
+	  else if (isymp->st_shndx == SHN_COMMON)
+	    isec = bfd_com_section_ptr;
+	  else
+	    {
+	      /* Who knows?  */
+	      isec = NULL;
+	    }
+
+	  *secpp = isec;
+	}
+
+      if (! mn10200_elf_relocate_section (output_bfd, link_info, input_bfd,
+				     input_section, data, internal_relocs,
+				     internal_syms, sections))
+	goto error_return;
+
+      if (sections != NULL)
+	free (sections);
+      sections = NULL;
+      if (internal_syms != NULL)
+	free (internal_syms);
+      internal_syms = NULL;
+      if (external_syms != NULL && symtab_hdr->contents == NULL)
+	free (external_syms);
+      external_syms = NULL;
+      if (internal_relocs != elf_section_data (input_section)->relocs)
+	free (internal_relocs);
+      internal_relocs = NULL;
+    }
+
+  return data;
+
+ error_return:
+  if (internal_relocs != NULL
+      && internal_relocs != elf_section_data (input_section)->relocs)
+    free (internal_relocs);
+  if (external_syms != NULL && symtab_hdr->contents == NULL)
+    free (external_syms);
+  if (internal_syms != NULL)
+    free (internal_syms);
+  if (sections != NULL)
+    free (sections);
+  return NULL;
+}
+
+
+#define TARGET_LITTLE_SYM	bfd_elf32_mn10200_vec
+#define TARGET_LITTLE_NAME	"elf32-mn10200"
+#define ELF_ARCH		bfd_arch_mn10200
+#define ELF_MACHINE_CODE	EM_CYGNUS_MN10200
+#define ELF_MAXPAGESIZE		0x1000
+
+#define elf_info_to_howto	mn10200_info_to_howto
+#define elf_info_to_howto_rel	0
+#define elf_backend_relocate_section mn10200_elf_relocate_section
+#define bfd_elf32_bfd_relax_section	mn10200_elf_relax_section
+#define bfd_elf32_bfd_get_relocated_section_contents \
+				mn10200_elf_get_relocated_section_contents
+
+#define elf_symbol_leading_char '_'
+
+#include "elf32-target.h"