Reinstate mips ecoff support

	* Makefile.am: Revert 2018-04-18 coff-mips changes.
	* config.bfd: Add back mips_ecoff_le_vec and mips_ecoff_be_vec
	to selvecs for mips targets change 2018-04-18.
	* configure.ac: Reinstate mips_ecoff_le_vec, mips_ecoff_be_vec
	and  mips_ecoff_bele_vec.
	* targets.c: Likewise.
	* coff-mips.c: Resurrect.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.

1 files changed, 1597 insertions, 0 deletions

diff --git a/bfd/coff-mips.c b/bfd/coff-mips.c
new file mode 100644
index 0000000..3a0163a
--- /dev/null
+++ b/bfd/coff-mips.c
@@ -0,0 +1,1597 @@
+/* BFD back-end for MIPS Extended-Coff files.
+   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Original version by Per Bothner.
+   Full support added by Ian Lance Taylor, ian@cygnus.com.
+
+   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "bfdlink.h"
+#include "libbfd.h"
+#include "coff/internal.h"
+#include "coff/sym.h"
+#include "coff/symconst.h"
+#include "coff/ecoff.h"
+#include "coff/mips.h"
+#include "libcoff.h"
+#include "libecoff.h"
+
+/* Prototypes for static functions.  */
+static bfd_reloc_status_type
+mips_generic_reloc
+  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type
+mips_refhi_reloc
+  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type
+mips_reflo_reloc
+  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type
+mips_gprel_reloc
+  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+
+
+/* ECOFF has COFF sections, but the debugging information is stored in
+   a completely different format.  ECOFF targets use some of the
+   swapping routines from coffswap.h, and some of the generic COFF
+   routines in coffgen.c, but, unlike the real COFF targets, do not
+   use coffcode.h itself.
+
+   Get the generic COFF swapping routines, except for the reloc,
+   symbol, and lineno ones.  Give them ECOFF names.  */
+#define MIPSECOFF
+#define NO_COFF_RELOCS
+#define NO_COFF_SYMBOLS
+#define NO_COFF_LINENOS
+#define coff_swap_filehdr_in  mips_ecoff_swap_filehdr_in
+#define coff_swap_filehdr_out mips_ecoff_swap_filehdr_out
+#define coff_swap_aouthdr_in  mips_ecoff_swap_aouthdr_in
+#define coff_swap_aouthdr_out mips_ecoff_swap_aouthdr_out
+#define coff_swap_scnhdr_in   mips_ecoff_swap_scnhdr_in
+#define coff_swap_scnhdr_out  mips_ecoff_swap_scnhdr_out
+
+#include "coffswap.h"
+
+/* Get the ECOFF swapping routines.  */
+#define ECOFF_32
+#include "ecoffswap.h"
+
+/* How to process the various relocs types.  */
+
+static reloc_howto_type mips_howto_table[] =
+{
+  /* Reloc type 0 is ignored.  The reloc reading code ensures that
+     this is a reference to the .abs section, which will cause
+     bfd_perform_relocation to do nothing.  */
+  HOWTO (MIPS_R_IGNORE,	/* type */
+	 0,			/* rightshift */
+	 0,			/* size (0 = byte, 1 = short, 2 = long) */
+	 8,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+	 0,			/* special_function */
+	 "IGNORE",		/* name */
+	 FALSE,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 16 bit reference to a symbol, normally from a data section.  */
+  HOWTO (MIPS_R_REFHALF,	/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 mips_generic_reloc,	/* special_function */
+	 "REFHALF",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 32 bit reference to a symbol, normally from a data section.  */
+  HOWTO (MIPS_R_REFWORD,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 32,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 mips_generic_reloc,	/* special_function */
+	 "REFWORD",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffffffff,		/* src_mask */
+	 0xffffffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 26 bit absolute jump address.  */
+  HOWTO (MIPS_R_JMPADDR,	/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 26,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+				/* This needs complex overflow
+				   detection, because the upper four
+				   bits must match the PC.  */
+	 mips_generic_reloc,	/* special_function */
+	 "JMPADDR",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0x3ffffff,		/* src_mask */
+	 0x3ffffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* The high 16 bits of a symbol value.  Handled by the function
+     mips_refhi_reloc.  */
+  HOWTO (MIPS_R_REFHI,		/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 mips_refhi_reloc,	/* special_function */
+	 "REFHI",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* The low 16 bits of a symbol value.  */
+  HOWTO (MIPS_R_REFLO,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+	 mips_reflo_reloc,	/* special_function */
+	 "REFLO",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A reference to an offset from the gp register.  Handled by the
+     function mips_gprel_reloc.  */
+  HOWTO (MIPS_R_GPREL,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 mips_gprel_reloc,	/* special_function */
+	 "GPREL",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A reference to a literal using an offset from the gp register.
+     Handled by the function mips_gprel_reloc.  */
+  HOWTO (MIPS_R_LITERAL,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 mips_gprel_reloc,	/* special_function */
+	 "LITERAL",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  EMPTY_HOWTO (8),
+  EMPTY_HOWTO (9),
+  EMPTY_HOWTO (10),
+  EMPTY_HOWTO (11),
+
+  /* FIXME: This relocation is used (internally only) to represent branches
+     when assembling.  It should never appear in output files, and
+     be removed.  (It used to be used for embedded-PIC support.)  */
+  HOWTO (MIPS_R_PCREL16,	/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 mips_generic_reloc,	/* special_function */
+	 "PCREL16",		/* name */
+	 TRUE,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+};
+
+#define MIPS_HOWTO_COUNT \
+  (sizeof mips_howto_table / sizeof mips_howto_table[0])
+
+/* See whether the magic number matches.  */
+
+static bfd_boolean
+mips_ecoff_bad_format_hook (bfd * abfd, void * filehdr)
+{
+  struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
+
+  switch (internal_f->f_magic)
+    {
+    case MIPS_MAGIC_1:
+      /* I don't know what endianness this implies.  */
+      return TRUE;
+
+    case MIPS_MAGIC_BIG:
+    case MIPS_MAGIC_BIG2:
+    case MIPS_MAGIC_BIG3:
+      return bfd_big_endian (abfd);
+
+    case MIPS_MAGIC_LITTLE:
+    case MIPS_MAGIC_LITTLE2:
+    case MIPS_MAGIC_LITTLE3:
+      return bfd_little_endian (abfd);
+
+    default:
+      return FALSE;
+    }
+}
+
+/* Reloc handling.  MIPS ECOFF relocs are packed into 8 bytes in
+   external form.  They use a bit which indicates whether the symbol
+   is external.  */
+
+/* Swap a reloc in.  */
+
+static void
+mips_ecoff_swap_reloc_in (bfd *  abfd,
+			  void * ext_ptr,
+			  struct internal_reloc *intern)
+{
+  const RELOC *ext = (RELOC *) ext_ptr;
+
+  intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr);
+  if (bfd_header_big_endian (abfd))
+    {
+      intern->r_symndx = (((int) ext->r_bits[0]
+			   << RELOC_BITS0_SYMNDX_SH_LEFT_BIG)
+			  | ((int) ext->r_bits[1]
+			     << RELOC_BITS1_SYMNDX_SH_LEFT_BIG)
+			  | ((int) ext->r_bits[2]
+			     << RELOC_BITS2_SYMNDX_SH_LEFT_BIG));
+      intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG)
+			>> RELOC_BITS3_TYPE_SH_BIG);
+      intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0;
+    }
+  else
+    {
+      intern->r_symndx = (((int) ext->r_bits[0]
+			   << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE)
+			  | ((int) ext->r_bits[1]
+			     << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE)
+			  | ((int) ext->r_bits[2]
+			     << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE));
+      intern->r_type = (((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE)
+			 >> RELOC_BITS3_TYPE_SH_LITTLE)
+			| ((ext->r_bits[3] & RELOC_BITS3_TYPEHI_LITTLE)
+			   << RELOC_BITS3_TYPEHI_SH_LITTLE));
+      intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0;
+    }
+}
+
+/* Swap a reloc out.  */
+
+static void
+mips_ecoff_swap_reloc_out (bfd * abfd,
+			   const struct internal_reloc * intern,
+			   void * dst)
+{
+  RELOC *ext = (RELOC *) dst;
+  long r_symndx;
+
+  BFD_ASSERT (intern->r_extern
+	      || (intern->r_symndx >= 0 && intern->r_symndx <= 12));
+
+  r_symndx = intern->r_symndx;
+
+  H_PUT_32 (abfd, intern->r_vaddr, ext->r_vaddr);
+  if (bfd_header_big_endian (abfd))
+    {
+      ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG;
+      ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG;
+      ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG;
+      ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG)
+			 & RELOC_BITS3_TYPE_BIG)
+			| (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0));
+    }
+  else
+    {
+      ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE;
+      ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE;
+      ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE;
+      ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE)
+			 & RELOC_BITS3_TYPE_LITTLE)
+			| ((intern->r_type >> RELOC_BITS3_TYPEHI_SH_LITTLE
+			    & RELOC_BITS3_TYPEHI_LITTLE))
+			| (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0));
+    }
+}
+
+/* Finish canonicalizing a reloc.  Part of this is generic to all
+   ECOFF targets, and that part is in ecoff.c.  The rest is done in
+   this backend routine.  It must fill in the howto field.  */
+
+static void
+mips_adjust_reloc_in (bfd *abfd,
+		      const struct internal_reloc *intern,
+		      arelent *rptr)
+{
+  if (intern->r_type > MIPS_R_PCREL16)
+    abort ();
+
+  if (! intern->r_extern
+      && (intern->r_type == MIPS_R_GPREL
+	  || intern->r_type == MIPS_R_LITERAL))
+    rptr->addend += ecoff_data (abfd)->gp;
+
+  /* If the type is MIPS_R_IGNORE, make sure this is a reference to
+     the absolute section so that the reloc is ignored.  */
+  if (intern->r_type == MIPS_R_IGNORE)
+    rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+
+  rptr->howto = &mips_howto_table[intern->r_type];
+}
+
+/* Make any adjustments needed to a reloc before writing it out.  None
+   are needed for MIPS.  */
+
+static void
+mips_adjust_reloc_out (bfd *abfd ATTRIBUTE_UNUSED,
+		       const arelent *rel ATTRIBUTE_UNUSED,
+		       struct internal_reloc *intern ATTRIBUTE_UNUSED)
+{
+}
+
+/* ECOFF relocs are either against external symbols, or against
+   sections.  If we are producing relocatable output, and the reloc
+   is against an external symbol, and nothing has given us any
+   additional addend, the resulting reloc will also be against the
+   same symbol.  In such a case, we don't want to change anything
+   about the way the reloc is handled, since it will all be done at
+   final link time.  Rather than put special case code into
+   bfd_perform_relocation, all the reloc types use this howto
+   function.  It just short circuits the reloc if producing
+   relocatable output against an external symbol.  */
+
+static bfd_reloc_status_type
+mips_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+		    arelent *reloc_entry,
+		    asymbol *symbol,
+		    void * data ATTRIBUTE_UNUSED,
+		    asection *input_section,
+		    bfd *output_bfd,
+		    char **error_message ATTRIBUTE_UNUSED)
+{
+  if (output_bfd != (bfd *) NULL
+      && (symbol->flags & BSF_SECTION_SYM) == 0
+      && reloc_entry->addend == 0)
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  return bfd_reloc_continue;
+}
+
+/* Do a REFHI relocation.  This has to be done in combination with a
+   REFLO reloc, because there is a carry from the REFLO to the REFHI.
+   Here we just save the information we need; we do the actual
+   relocation when we see the REFLO.  MIPS ECOFF requires that the
+   REFLO immediately follow the REFHI.  As a GNU extension, we permit
+   an arbitrary number of HI relocs to be associated with a single LO
+   reloc.  This extension permits gcc to output the HI and LO relocs
+   itself.  */
+
+struct mips_hi
+{
+  struct mips_hi *next;
+  bfd_byte *addr;
+  bfd_vma addend;
+};
+
+/* FIXME: This should not be a static variable.  */
+
+static struct mips_hi *mips_refhi_list;
+
+static bfd_reloc_status_type
+mips_refhi_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+		  arelent *reloc_entry,
+		  asymbol *symbol,
+		  void * data,
+		  asection *input_section,
+		  bfd *output_bfd,
+		  char **error_message ATTRIBUTE_UNUSED)
+{
+  bfd_reloc_status_type ret;
+  bfd_vma relocation;
+  struct mips_hi *n;
+
+  /* If we're relocating, and this an external symbol, we don't want
+     to change anything.  */
+  if (output_bfd != (bfd *) NULL
+      && (symbol->flags & BSF_SECTION_SYM) == 0
+      && reloc_entry->addend == 0)
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  ret = bfd_reloc_ok;
+  if (bfd_is_und_section (symbol->section)
+      && output_bfd == (bfd *) NULL)
+    ret = bfd_reloc_undefined;
+
+  if (bfd_is_com_section (symbol->section))
+    relocation = 0;
+  else
+    relocation = symbol->value;
+
+  relocation += symbol->section->output_section->vma;
+  relocation += symbol->section->output_offset;
+  relocation += reloc_entry->addend;
+
+  if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+    return bfd_reloc_outofrange;
+
+  /* Save the information, and let REFLO do the actual relocation.  */
+  n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n);
+  if (n == NULL)
+    return bfd_reloc_outofrange;
+  n->addr = (bfd_byte *) data + reloc_entry->address;
+  n->addend = relocation;
+  n->next = mips_refhi_list;
+  mips_refhi_list = n;
+
+  if (output_bfd != (bfd *) NULL)
+    reloc_entry->address += input_section->output_offset;
+
+  return ret;
+}
+
+/* Do a REFLO relocation.  This is a straightforward 16 bit inplace
+   relocation; this function exists in order to do the REFHI
+   relocation described above.  */
+
+static bfd_reloc_status_type
+mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+		  arelent *reloc_entry,
+		  asymbol *symbol,
+		  void * data,
+		  asection *input_section,
+		  bfd *output_bfd,
+		  char **error_message ATTRIBUTE_UNUSED)
+{
+  if (mips_refhi_list != NULL)
+    {
+      struct mips_hi *l;
+
+      l = mips_refhi_list;
+      while (l != NULL)
+	{
+	  unsigned long insn;
+	  unsigned long val;
+	  unsigned long vallo;
+	  struct mips_hi *next;
+
+	  if (! bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
+					   input_section,
+					   reloc_entry->address
+					   * bfd_octets_per_byte (abfd)))
+	    return bfd_reloc_outofrange;
+
+	  /* Do the REFHI relocation.  Note that we actually don't
+	     need to know anything about the REFLO itself, except
+	     where to find the low 16 bits of the addend needed by the
+	     REFHI.  */
+	  insn = bfd_get_32 (abfd, l->addr);
+	  vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
+		   & 0xffff);
+	  val = ((insn & 0xffff) << 16) + vallo;
+	  val += l->addend;
+
+	  /* The low order 16 bits are always treated as a signed
+	     value.  Therefore, a negative value in the low order bits
+	     requires an adjustment in the high order bits.  We need
+	     to make this adjustment in two ways: once for the bits we
+	     took from the data, and once for the bits we are putting
+	     back in to the data.  */
+	  if ((vallo & 0x8000) != 0)
+	    val -= 0x10000;
+	  if ((val & 0x8000) != 0)
+	    val += 0x10000;
+
+	  insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+	  bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
+
+	  next = l->next;
+	  free (l);
+	  l = next;
+	}
+
+      mips_refhi_list = NULL;
+    }
+
+  /* Now do the REFLO reloc in the usual way.  */
+  return mips_generic_reloc (abfd, reloc_entry, symbol, data,
+			      input_section, output_bfd, error_message);
+}
+
+/* Do a GPREL relocation.  This is a 16 bit value which must become
+   the offset from the gp register.  */
+
+static bfd_reloc_status_type
+mips_gprel_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+		  arelent *reloc_entry,
+		  asymbol *symbol,
+		  void * data,
+		  asection *input_section,
+		  bfd *output_bfd,
+		  char **error_message ATTRIBUTE_UNUSED)
+{
+  bfd_boolean relocatable;
+  bfd_vma gp;
+  bfd_vma relocation;
+  unsigned long val;
+  unsigned long insn;
+
+  /* If we're relocating, and this is an external symbol with no
+     addend, we don't want to change anything.  We will only have an
+     addend if this is a newly created reloc, not read from an ECOFF
+     file.  */
+  if (output_bfd != (bfd *) NULL
+      && (symbol->flags & BSF_SECTION_SYM) == 0
+      && reloc_entry->addend == 0)
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  if (output_bfd != (bfd *) NULL)
+    relocatable = TRUE;
+  else
+    {
+      relocatable = FALSE;
+      output_bfd = symbol->section->output_section->owner;
+    }
+
+  if (bfd_is_und_section (symbol->section) && ! relocatable)
+    return bfd_reloc_undefined;
+
+  /* We have to figure out the gp value, so that we can adjust the
+     symbol value correctly.  We look up the symbol _gp in the output
+     BFD.  If we can't find it, we're stuck.  We cache it in the ECOFF
+     target data.  We don't need to adjust the symbol value for an
+     external symbol if we are producing relocatable output.  */
+  gp = _bfd_get_gp_value (output_bfd);
+  if (gp == 0
+      && (! relocatable
+	  || (symbol->flags & BSF_SECTION_SYM) != 0))
+    {
+      if (relocatable)
+	{
+	  /* Make up a value.  */
+	  gp = symbol->section->output_section->vma + 0x4000;
+	  _bfd_set_gp_value (output_bfd, gp);
+	}
+      else
+	{
+	  unsigned int count;
+	  asymbol **sym;
+	  unsigned int i;
+
+	  count = bfd_get_symcount (output_bfd);
+	  sym = bfd_get_outsymbols (output_bfd);
+
+	  if (sym == (asymbol **) NULL)
+	    i = count;
+	  else
+	    {
+	      for (i = 0; i < count; i++, sym++)
+		{
+		  register const char *name;
+
+		  name = bfd_asymbol_name (*sym);
+		  if (*name == '_' && strcmp (name, "_gp") == 0)
+		    {
+		      gp = bfd_asymbol_value (*sym);
+		      _bfd_set_gp_value (output_bfd, gp);
+		      break;
+		    }
+		}
+	    }
+
+	  if (i >= count)
+	    {
+	      /* Only get the error once.  */
+	      gp = 4;
+	      _bfd_set_gp_value (output_bfd, gp);
+	      *error_message =
+		(char *) _("GP relative relocation when _gp not defined");
+	      return bfd_reloc_dangerous;
+	    }
+	}
+    }
+
+  if (bfd_is_com_section (symbol->section))
+    relocation = 0;
+  else
+    relocation = symbol->value;
+
+  relocation += symbol->section->output_section->vma;
+  relocation += symbol->section->output_offset;
+
+  if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+    return bfd_reloc_outofrange;
+
+  insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+
+  /* Set val to the offset into the section or symbol.  */
+  val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff;
+  if (val & 0x8000)
+    val -= 0x10000;
+
+  /* Adjust val for the final section location and GP value.  If we
+     are producing relocatable output, we don't want to do this for
+     an external symbol.  */
+  if (! relocatable
+      || (symbol->flags & BSF_SECTION_SYM) != 0)
+    val += relocation - gp;
+
+  insn = (insn &~ (unsigned) 0xffff) | (val & 0xffff);
+  bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + reloc_entry->address);
+
+  if (relocatable)
+    reloc_entry->address += input_section->output_offset;
+
+  /* Make sure it fit in 16 bits.  */
+  if ((long) val >= 0x8000 || (long) val < -0x8000)
+    return bfd_reloc_overflow;
+
+  return bfd_reloc_ok;
+}
+
+/* Get the howto structure for a generic reloc type.  */
+
+static reloc_howto_type *
+mips_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+			    bfd_reloc_code_real_type code)
+{
+  int mips_type;
+
+  switch (code)
+    {
+    case BFD_RELOC_16:
+      mips_type = MIPS_R_REFHALF;
+      break;
+    case BFD_RELOC_32:
+    case BFD_RELOC_CTOR:
+      mips_type = MIPS_R_REFWORD;
+      break;
+    case BFD_RELOC_MIPS_JMP:
+      mips_type = MIPS_R_JMPADDR;
+      break;
+    case BFD_RELOC_HI16_S:
+      mips_type = MIPS_R_REFHI;
+      break;
+    case BFD_RELOC_LO16:
+      mips_type = MIPS_R_REFLO;
+      break;
+    case BFD_RELOC_GPREL16:
+      mips_type = MIPS_R_GPREL;
+      break;
+    case BFD_RELOC_MIPS_LITERAL:
+      mips_type = MIPS_R_LITERAL;
+      break;
+    case BFD_RELOC_16_PCREL_S2:
+      mips_type = MIPS_R_PCREL16;
+      break;
+    default:
+      return (reloc_howto_type *) NULL;
+    }
+
+  return &mips_howto_table[mips_type];
+}
+
+static reloc_howto_type *
+mips_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+			    const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0;
+       i < sizeof (mips_howto_table) / sizeof (mips_howto_table[0]);
+       i++)
+    if (mips_howto_table[i].name != NULL
+	&& strcasecmp (mips_howto_table[i].name, r_name) == 0)
+      return &mips_howto_table[i];
+
+  return NULL;
+}
+
+/* A helper routine for mips_relocate_section which handles the REFHI
+   relocations.  The REFHI relocation must be followed by a REFLO
+   relocation, and the addend used is formed from the addends of both
+   instructions.  */
+
+static void
+mips_relocate_hi (struct internal_reloc *refhi,
+		  struct internal_reloc *reflo,
+		  bfd *input_bfd,
+		  asection *input_section,
+		  bfd_byte *contents,
+		  bfd_vma relocation)
+{
+  unsigned long insn;
+  unsigned long val;
+  unsigned long vallo;
+
+  if (refhi == NULL)
+    return;
+
+  insn = bfd_get_32 (input_bfd,
+		     contents + refhi->r_vaddr - input_section->vma);
+  if (reflo == NULL)
+    vallo = 0;
+  else
+    vallo = (bfd_get_32 (input_bfd,
+			 contents + reflo->r_vaddr - input_section->vma)
+	     & 0xffff);
+
+  val = ((insn & 0xffff) << 16) + vallo;
+  val += relocation;
+
+  /* The low order 16 bits are always treated as a signed value.
+     Therefore, a negative value in the low order bits requires an
+     adjustment in the high order bits.  We need to make this
+     adjustment in two ways: once for the bits we took from the data,
+     and once for the bits we are putting back in to the data.  */
+  if ((vallo & 0x8000) != 0)
+    val -= 0x10000;
+
+  if ((val & 0x8000) != 0)
+    val += 0x10000;
+
+  insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
+  bfd_put_32 (input_bfd, (bfd_vma) insn,
+	      contents + refhi->r_vaddr - input_section->vma);
+}
+
+/* Relocate a section while linking a MIPS ECOFF file.  */
+
+static bfd_boolean
+mips_relocate_section (bfd *output_bfd,
+		       struct bfd_link_info *info,
+		       bfd *input_bfd,
+		       asection *input_section,
+		       bfd_byte *contents,
+		       void * external_relocs)
+{
+  asection **symndx_to_section;
+  struct ecoff_link_hash_entry **sym_hashes;
+  bfd_vma gp;
+  bfd_boolean gp_undefined;
+  struct external_reloc *ext_rel;
+  struct external_reloc *ext_rel_end;
+  unsigned int i;
+  bfd_boolean got_lo;
+  struct internal_reloc lo_int_rel;
+  bfd_size_type amt;
+
+  BFD_ASSERT (input_bfd->xvec->byteorder
+	      == output_bfd->xvec->byteorder);
+
+  /* We keep a table mapping the symndx found in an internal reloc to
+     the appropriate section.  This is faster than looking up the
+     section by name each time.  */
+  symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
+  if (symndx_to_section == (asection **) NULL)
+    {
+      amt = NUM_RELOC_SECTIONS * sizeof (asection *);
+      symndx_to_section = (asection **) bfd_alloc (input_bfd, amt);
+      if (!symndx_to_section)
+	return FALSE;
+
+      symndx_to_section[RELOC_SECTION_NONE] = NULL;
+      symndx_to_section[RELOC_SECTION_TEXT] =
+	bfd_get_section_by_name (input_bfd, ".text");
+      symndx_to_section[RELOC_SECTION_RDATA] =
+	bfd_get_section_by_name (input_bfd, ".rdata");
+      symndx_to_section[RELOC_SECTION_DATA] =
+	bfd_get_section_by_name (input_bfd, ".data");
+      symndx_to_section[RELOC_SECTION_SDATA] =
+	bfd_get_section_by_name (input_bfd, ".sdata");
+      symndx_to_section[RELOC_SECTION_SBSS] =
+	bfd_get_section_by_name (input_bfd, ".sbss");
+      symndx_to_section[RELOC_SECTION_BSS] =
+	bfd_get_section_by_name (input_bfd, ".bss");
+      symndx_to_section[RELOC_SECTION_INIT] =
+	bfd_get_section_by_name (input_bfd, ".init");
+      symndx_to_section[RELOC_SECTION_LIT8] =
+	bfd_get_section_by_name (input_bfd, ".lit8");
+      symndx_to_section[RELOC_SECTION_LIT4] =
+	bfd_get_section_by_name (input_bfd, ".lit4");
+      symndx_to_section[RELOC_SECTION_XDATA] = NULL;
+      symndx_to_section[RELOC_SECTION_PDATA] = NULL;
+      symndx_to_section[RELOC_SECTION_FINI] =
+	bfd_get_section_by_name (input_bfd, ".fini");
+      symndx_to_section[RELOC_SECTION_LITA] = NULL;
+      symndx_to_section[RELOC_SECTION_ABS] = NULL;
+
+      ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
+    }
+
+  sym_hashes = ecoff_data (input_bfd)->sym_hashes;
+
+  gp = _bfd_get_gp_value (output_bfd);
+  if (gp == 0)
+    gp_undefined = TRUE;
+  else
+    gp_undefined = FALSE;
+
+  got_lo = FALSE;
+
+  ext_rel = (struct external_reloc *) external_relocs;
+  ext_rel_end = ext_rel + input_section->reloc_count;
+  for (i = 0; ext_rel < ext_rel_end; ext_rel++, i++)
+    {
+      struct internal_reloc int_rel;
+      bfd_boolean use_lo = FALSE;
+      bfd_vma addend;
+      reloc_howto_type *howto;
+      struct ecoff_link_hash_entry *h = NULL;
+      asection *s = NULL;
+      bfd_vma relocation;
+      bfd_reloc_status_type r;
+
+      if (! got_lo)
+	mips_ecoff_swap_reloc_in (input_bfd, ext_rel, &int_rel);
+      else
+	{
+	  int_rel = lo_int_rel;
+	  got_lo = FALSE;
+	}
+
+      BFD_ASSERT (int_rel.r_type
+		  < sizeof mips_howto_table / sizeof mips_howto_table[0]);
+
+      /* The REFHI reloc requires special handling.  It must be followed
+	 by a REFLO reloc, and the addend is formed from both relocs.  */
+      if (int_rel.r_type == MIPS_R_REFHI)
+	{
+	  struct external_reloc *lo_ext_rel;
+
+	  /* As a GNU extension, permit an arbitrary number of REFHI
+	     relocs before the REFLO reloc.  This permits gcc to emit
+	     the HI and LO relocs itself.  */
+	  for (lo_ext_rel = ext_rel + 1;
+	       lo_ext_rel < ext_rel_end;
+	       lo_ext_rel++)
+	    {
+	      mips_ecoff_swap_reloc_in (input_bfd, lo_ext_rel,
+					&lo_int_rel);
+	      if (lo_int_rel.r_type != int_rel.r_type)
+		break;
+	    }
+
+	  if (lo_ext_rel < ext_rel_end
+	      && lo_int_rel.r_type == MIPS_R_REFLO
+	      && int_rel.r_extern == lo_int_rel.r_extern
+	      && int_rel.r_symndx == lo_int_rel.r_symndx)
+	    {
+	      use_lo = TRUE;
+	      if (lo_ext_rel == ext_rel + 1)
+		got_lo = TRUE;
+	    }
+	}
+
+      howto = &mips_howto_table[int_rel.r_type];
+
+      if (int_rel.r_extern)
+	{
+	  h = sym_hashes[int_rel.r_symndx];
+	  /* If h is NULL, that means that there is a reloc against an
+	     external symbol which we thought was just a debugging
+	     symbol.  This should not happen.  */
+	  if (h == (struct ecoff_link_hash_entry *) NULL)
+	    abort ();
+	}
+      else
+	{
+	  if (int_rel.r_symndx < 0 || int_rel.r_symndx >= NUM_RELOC_SECTIONS)
+	    s = NULL;
+	  else
+	    s = symndx_to_section[int_rel.r_symndx];
+
+	  if (s == (asection *) NULL)
+	    abort ();
+	}
+
+      /* The GPREL reloc uses an addend: the difference in the GP
+	 values.  */
+      if (int_rel.r_type != MIPS_R_GPREL
+	  && int_rel.r_type != MIPS_R_LITERAL)
+	addend = 0;
+      else
+	{
+	  if (gp_undefined)
+	    {
+	      (*info->callbacks->reloc_dangerous)
+		(info, _("GP relative relocation used when GP not defined"),
+		 input_bfd, input_section,
+		 int_rel.r_vaddr - input_section->vma);
+	      /* Only give the error once per link.  */
+	      gp = 4;
+	      _bfd_set_gp_value (output_bfd, gp);
+	      gp_undefined = FALSE;
+	    }
+	  if (! int_rel.r_extern)
+	    {
+	      /* This is a relocation against a section.  The current
+		 addend in the instruction is the difference between
+		 INPUT_SECTION->vma and the GP value of INPUT_BFD.  We
+		 must change this to be the difference between the
+		 final definition (which will end up in RELOCATION)
+		 and the GP value of OUTPUT_BFD (which is in GP).  */
+	      addend = ecoff_data (input_bfd)->gp - gp;
+	    }
+	  else if (! bfd_link_relocatable (info)
+		   || h->root.type == bfd_link_hash_defined
+		   || h->root.type == bfd_link_hash_defweak)
+	    {
+	      /* This is a relocation against a defined symbol.  The
+		 current addend in the instruction is simply the
+		 desired offset into the symbol (normally zero).  We
+		 are going to change this into a relocation against a
+		 defined symbol, so we want the instruction to hold
+		 the difference between the final definition of the
+		 symbol (which will end up in RELOCATION) and the GP
+		 value of OUTPUT_BFD (which is in GP).  */
+	      addend = - gp;
+	    }
+	  else
+	    {
+	      /* This is a relocation against an undefined or common
+		 symbol.  The current addend in the instruction is
+		 simply the desired offset into the symbol (normally
+		 zero).  We are generating relocatable output, and we
+		 aren't going to define this symbol, so we just leave
+		 the instruction alone.  */
+	      addend = 0;
+	    }
+	}
+
+      if (bfd_link_relocatable (info))
+	{
+	  /* We are generating relocatable output, and must convert
+	     the existing reloc.  */
+	  if (int_rel.r_extern)
+	    {
+	      if ((h->root.type == bfd_link_hash_defined
+		   || h->root.type == bfd_link_hash_defweak)
+		  && ! bfd_is_abs_section (h->root.u.def.section))
+		{
+		  const char *name;
+
+		  /* This symbol is defined in the output.  Convert
+		     the reloc from being against the symbol to being
+		     against the section.  */
+
+		  /* Clear the r_extern bit.  */
+		  int_rel.r_extern = 0;
+
+		  /* Compute a new r_symndx value.  */
+		  s = h->root.u.def.section;
+		  name = bfd_get_section_name (output_bfd,
+					       s->output_section);
+
+		  int_rel.r_symndx = -1;
+		  switch (name[1])
+		    {
+		    case 'b':
+		      if (strcmp (name, ".bss") == 0)
+			int_rel.r_symndx = RELOC_SECTION_BSS;
+		      break;
+		    case 'd':
+		      if (strcmp (name, ".data") == 0)
+			int_rel.r_symndx = RELOC_SECTION_DATA;
+		      break;
+		    case 'f':
+		      if (strcmp (name, ".fini") == 0)
+			int_rel.r_symndx = RELOC_SECTION_FINI;
+		      break;
+		    case 'i':
+		      if (strcmp (name, ".init") == 0)
+			int_rel.r_symndx = RELOC_SECTION_INIT;
+		      break;
+		    case 'l':
+		      if (strcmp (name, ".lit8") == 0)
+			int_rel.r_symndx = RELOC_SECTION_LIT8;
+		      else if (strcmp (name, ".lit4") == 0)
+			int_rel.r_symndx = RELOC_SECTION_LIT4;
+		      break;
+		    case 'r':
+		      if (strcmp (name, ".rdata") == 0)
+			int_rel.r_symndx = RELOC_SECTION_RDATA;
+		      break;
+		    case 's':
+		      if (strcmp (name, ".sdata") == 0)
+			int_rel.r_symndx = RELOC_SECTION_SDATA;
+		      else if (strcmp (name, ".sbss") == 0)
+			int_rel.r_symndx = RELOC_SECTION_SBSS;
+		      break;
+		    case 't':
+		      if (strcmp (name, ".text") == 0)
+			int_rel.r_symndx = RELOC_SECTION_TEXT;
+		      break;
+		    }
+
+		  if (int_rel.r_symndx == -1)
+		    abort ();
+
+		  /* Add the section VMA and the symbol value.  */
+		  relocation = (h->root.u.def.value
+				+ s->output_section->vma
+				+ s->output_offset);
+
+		  /* For a PC relative relocation, the object file
+		     currently holds just the addend.  We must adjust
+		     by the address to get the right value.  */
+		  if (howto->pc_relative)
+		    relocation -= int_rel.r_vaddr - input_section->vma;
+
+		  h = NULL;
+		}
+	      else
+		{
+		  /* Change the symndx value to the right one for the
+		     output BFD.  */
+		  int_rel.r_symndx = h->indx;
+		  if (int_rel.r_symndx == -1)
+		    {
+		      /* This symbol is not being written out.  */
+		      (*info->callbacks->unattached_reloc)
+			(info, h->root.root.string, input_bfd, input_section,
+			 int_rel.r_vaddr - input_section->vma);
+		      int_rel.r_symndx = 0;
+		    }
+		  relocation = 0;
+		}
+	    }
+	  else
+	    {
+	      /* This is a relocation against a section.  Adjust the
+		 value by the amount the section moved.  */
+	      relocation = (s->output_section->vma
+			    + s->output_offset
+			    - s->vma);
+	    }
+
+	  relocation += addend;
+	  addend = 0;
+
+	  /* Adjust a PC relative relocation by removing the reference
+	     to the original address in the section and including the
+	     reference to the new address.  */
+	  if (howto->pc_relative)
+	    relocation -= (input_section->output_section->vma
+			   + input_section->output_offset
+			   - input_section->vma);
+
+	  /* Adjust the contents.  */
+	  if (relocation == 0)
+	    r = bfd_reloc_ok;
+	  else
+	    {
+	      if (int_rel.r_type != MIPS_R_REFHI)
+		r = _bfd_relocate_contents (howto, input_bfd, relocation,
+					    (contents
+					     + int_rel.r_vaddr
+					     - input_section->vma));
+	      else
+		{
+		  mips_relocate_hi (&int_rel,
+				    use_lo ? &lo_int_rel : NULL,
+				    input_bfd, input_section, contents,
+				    relocation);
+		  r = bfd_reloc_ok;
+		}
+	    }
+
+	  /* Adjust the reloc address.  */
+	  int_rel.r_vaddr += (input_section->output_section->vma
+			      + input_section->output_offset
+			      - input_section->vma);
+
+	  /* Save the changed reloc information.  */
+	  mips_ecoff_swap_reloc_out (input_bfd, &int_rel, ext_rel);
+	}
+      else
+	{
+	  /* We are producing a final executable.  */
+	  if (int_rel.r_extern)
+	    {
+	      /* This is a reloc against a symbol.  */
+	      if (h->root.type == bfd_link_hash_defined
+		  || h->root.type == bfd_link_hash_defweak)
+		{
+		  asection *hsec;
+
+		  hsec = h->root.u.def.section;
+		  relocation = (h->root.u.def.value
+				+ hsec->output_section->vma
+				+ hsec->output_offset);
+		}
+	      else
+		{
+		  (*info->callbacks->undefined_symbol)
+		    (info, h->root.root.string, input_bfd, input_section,
+		     int_rel.r_vaddr - input_section->vma, TRUE);
+		  relocation = 0;
+		}
+	    }
+	  else
+	    {
+	      /* This is a reloc against a section.  */
+	      relocation = (s->output_section->vma
+			    + s->output_offset
+			    - s->vma);
+
+	      /* A PC relative reloc is already correct in the object
+		 file.  Make it look like a pcrel_offset relocation by
+		 adding in the start address.  */
+	      if (howto->pc_relative)
+		relocation += int_rel.r_vaddr;
+	    }
+
+	  if (int_rel.r_type != MIPS_R_REFHI)
+	    r = _bfd_final_link_relocate (howto,
+					  input_bfd,
+					  input_section,
+					  contents,
+					  (int_rel.r_vaddr
+					   - input_section->vma),
+					  relocation,
+					  addend);
+	  else
+	    {
+	      mips_relocate_hi (&int_rel,
+				use_lo ? &lo_int_rel : NULL,
+				input_bfd, input_section, contents,
+				relocation);
+	      r = bfd_reloc_ok;
+	    }
+	}
+
+      /* MIPS_R_JMPADDR requires peculiar overflow detection.  The
+	 instruction provides a 28 bit address (the two lower bits are
+	 implicit zeroes) which is combined with the upper four bits
+	 of the instruction address.  */
+      if (r == bfd_reloc_ok
+	  && int_rel.r_type == MIPS_R_JMPADDR
+	  && (((relocation
+		+ addend
+		+ (int_rel.r_extern ? 0 : s->vma))
+	       & 0xf0000000)
+	      != ((input_section->output_section->vma
+		   + input_section->output_offset
+		   + (int_rel.r_vaddr - input_section->vma))
+		  & 0xf0000000)))
+	r = bfd_reloc_overflow;
+
+      if (r != bfd_reloc_ok)
+	{
+	  switch (r)
+	    {
+	    default:
+	    case bfd_reloc_outofrange:
+	      abort ();
+	    case bfd_reloc_overflow:
+	      {
+		const char *name;
+
+		if (int_rel.r_extern)
+		  name = NULL;
+		else
+		  name = bfd_section_name (input_bfd, s);
+		(*info->callbacks->reloc_overflow)
+		  (info, (h ? &h->root : NULL), name, howto->name,
+		   (bfd_vma) 0, input_bfd, input_section,
+		   int_rel.r_vaddr - input_section->vma);
+	      }
+	      break;
+	    }
+	}
+    }
+
+  return TRUE;
+}
+
+static void
+mips_ecoff_swap_coff_aux_in (bfd *abfd ATTRIBUTE_UNUSED,
+			     void *ext1 ATTRIBUTE_UNUSED,
+			     int type ATTRIBUTE_UNUSED,
+			     int in_class ATTRIBUTE_UNUSED,
+			     int indx ATTRIBUTE_UNUSED,
+			     int numaux ATTRIBUTE_UNUSED,
+			     void *in1 ATTRIBUTE_UNUSED)
+{
+}
+
+static void
+mips_ecoff_swap_coff_sym_in (bfd *abfd ATTRIBUTE_UNUSED,
+			     void *ext1 ATTRIBUTE_UNUSED,
+			     void *in1 ATTRIBUTE_UNUSED)
+{
+}
+
+static void
+mips_ecoff_swap_coff_lineno_in (bfd *abfd ATTRIBUTE_UNUSED,
+				void *ext1 ATTRIBUTE_UNUSED,
+				void *in1 ATTRIBUTE_UNUSED)
+{
+}
+
+static unsigned int
+mips_ecoff_swap_coff_aux_out (bfd *abfd ATTRIBUTE_UNUSED,
+			      void *inp ATTRIBUTE_UNUSED,
+			      int type ATTRIBUTE_UNUSED,
+			      int in_class ATTRIBUTE_UNUSED,
+			      int indx ATTRIBUTE_UNUSED,
+			      int numaux ATTRIBUTE_UNUSED,
+			      void *extp ATTRIBUTE_UNUSED)
+{
+  return 0;
+}
+
+static unsigned int
+mips_ecoff_swap_coff_sym_out (bfd *abfd ATTRIBUTE_UNUSED,
+			      void *inp ATTRIBUTE_UNUSED,
+			      void *extp ATTRIBUTE_UNUSED)
+{
+  return 0;
+}
+
+static unsigned int
+mips_ecoff_swap_coff_lineno_out (bfd *abfd ATTRIBUTE_UNUSED,
+				 void *inp ATTRIBUTE_UNUSED,
+				 void *extp ATTRIBUTE_UNUSED)
+{
+  return 0;
+}
+
+static unsigned int
+mips_ecoff_swap_coff_reloc_out (bfd *abfd ATTRIBUTE_UNUSED,
+				void *inp ATTRIBUTE_UNUSED,
+				void *extp ATTRIBUTE_UNUSED)
+{
+  return 0;
+}
+
+/* This is the ECOFF backend structure.  The backend field of the
+   target vector points to this.  */
+
+static const struct ecoff_backend_data mips_ecoff_backend_data =
+{
+  /* COFF backend structure.  */
+  {
+    mips_ecoff_swap_coff_aux_in, mips_ecoff_swap_coff_sym_in,
+    mips_ecoff_swap_coff_lineno_in, mips_ecoff_swap_coff_aux_out,
+    mips_ecoff_swap_coff_sym_out, mips_ecoff_swap_coff_lineno_out,
+    mips_ecoff_swap_coff_reloc_out,
+    mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out,
+    mips_ecoff_swap_scnhdr_out,
+    FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE,
+    ECOFF_NO_LONG_SECTION_NAMES, 4, FALSE, 2, 32768,
+    mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in,
+    mips_ecoff_swap_scnhdr_in, NULL,
+    mips_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
+    _bfd_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
+    _bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL
+  },
+  /* Supported architecture.  */
+  bfd_arch_mips,
+  /* Initial portion of armap string.  */
+  "__________",
+  /* The page boundary used to align sections in a demand-paged
+     executable file.  E.g., 0x1000.  */
+  0x1000,
+  /* TRUE if the .rdata section is part of the text segment, as on the
+     Alpha.  FALSE if .rdata is part of the data segment, as on the
+     MIPS.  */
+  FALSE,
+  /* Bitsize of constructor entries.  */
+  32,
+  /* Reloc to use for constructor entries.  */
+  &mips_howto_table[MIPS_R_REFWORD],
+  {
+    /* Symbol table magic number.  */
+    magicSym,
+    /* Alignment of debugging information.  E.g., 4.  */
+    4,
+    /* Sizes of external symbolic information.  */
+    sizeof (struct hdr_ext),
+    sizeof (struct dnr_ext),
+    sizeof (struct pdr_ext),
+    sizeof (struct sym_ext),
+    sizeof (struct opt_ext),
+    sizeof (struct fdr_ext),
+    sizeof (struct rfd_ext),
+    sizeof (struct ext_ext),
+    /* Functions to swap in external symbolic data.  */
+    ecoff_swap_hdr_in,
+    ecoff_swap_dnr_in,
+    ecoff_swap_pdr_in,
+    ecoff_swap_sym_in,
+    ecoff_swap_opt_in,
+    ecoff_swap_fdr_in,
+    ecoff_swap_rfd_in,
+    ecoff_swap_ext_in,
+    _bfd_ecoff_swap_tir_in,
+    _bfd_ecoff_swap_rndx_in,
+    /* Functions to swap out external symbolic data.  */
+    ecoff_swap_hdr_out,
+    ecoff_swap_dnr_out,
+    ecoff_swap_pdr_out,
+    ecoff_swap_sym_out,
+    ecoff_swap_opt_out,
+    ecoff_swap_fdr_out,
+    ecoff_swap_rfd_out,
+    ecoff_swap_ext_out,
+    _bfd_ecoff_swap_tir_out,
+    _bfd_ecoff_swap_rndx_out,
+    /* Function to read in symbolic data.  */
+    _bfd_ecoff_slurp_symbolic_info
+  },
+  /* External reloc size.  */
+  RELSZ,
+  /* Reloc swapping functions.  */
+  mips_ecoff_swap_reloc_in,
+  mips_ecoff_swap_reloc_out,
+  /* Backend reloc tweaking.  */
+  mips_adjust_reloc_in,
+  mips_adjust_reloc_out,
+  /* Relocate section contents while linking.  */
+  mips_relocate_section,
+  /* Do final adjustments to filehdr and aouthdr.  */
+  NULL,
+  /* Read an element from an archive at a given file position.  */
+  _bfd_get_elt_at_filepos
+};
+
+/* Looking up a reloc type is MIPS specific.  */
+#define _bfd_ecoff_bfd_reloc_type_lookup mips_bfd_reloc_type_lookup
+#define _bfd_ecoff_bfd_reloc_name_lookup mips_bfd_reloc_name_lookup
+
+/* Getting relocated section contents is generic.  */
+#define _bfd_ecoff_bfd_get_relocated_section_contents \
+  bfd_generic_get_relocated_section_contents
+
+/* Handling file windows is generic.  */
+#define _bfd_ecoff_get_section_contents_in_window \
+  _bfd_generic_get_section_contents_in_window
+
+/* Relaxing sections is MIPS specific.  */
+#define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section
+
+/* GC of sections is not done.  */
+#define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections
+
+/* Input section flags is not implemented.  */
+#define _bfd_ecoff_bfd_lookup_section_flags bfd_generic_lookup_section_flags
+
+/* Merging of sections is not done.  */
+#define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
+
+#define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section
+#define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
+#define _bfd_ecoff_section_already_linked \
+  _bfd_coff_section_already_linked
+#define _bfd_ecoff_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define _bfd_ecoff_bfd_define_start_stop bfd_generic_define_start_stop
+#define _bfd_ecoff_set_reloc _bfd_generic_set_reloc
+
+extern const bfd_target mips_ecoff_be_vec;
+
+const bfd_target mips_ecoff_le_vec =
+{
+  "ecoff-littlemips",		/* name */
+  bfd_target_ecoff_flavour,
+  BFD_ENDIAN_LITTLE,		/* data byte order is little */
+  BFD_ENDIAN_LITTLE,		/* header byte order is little */
+
+  (HAS_RELOC | EXEC_P		/* object flags */
+   | HAS_LINENO | HAS_DEBUG
+   | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  0,				/* leading underscore */
+  ' ',				/* ar_pad_char */
+  15,				/* ar_max_namelen */
+  0,				/* match priority.  */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+  {				/* bfd_check_format */
+    _bfd_dummy_target,
+    coff_object_p,
+    bfd_generic_archive_p,
+    _bfd_dummy_target
+  },
+  {				/* bfd_set_format */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_mkobject,
+    _bfd_generic_mkarchive,
+    _bfd_bool_bfd_false_error
+  },
+  {				/* bfd_write_contents */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_write_object_contents,
+    _bfd_write_archive_contents,
+    _bfd_bool_bfd_false_error
+  },
+
+  BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
+  BFD_JUMP_TABLE_COPY (_bfd_ecoff),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
+  BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
+  BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
+  BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
+  BFD_JUMP_TABLE_LINK (_bfd_ecoff),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  &mips_ecoff_be_vec,
+
+  &mips_ecoff_backend_data
+};
+
+const bfd_target mips_ecoff_be_vec =
+{
+  "ecoff-bigmips",		/* name */
+  bfd_target_ecoff_flavour,
+  BFD_ENDIAN_BIG,		/* data byte order is big */
+  BFD_ENDIAN_BIG,		/* header byte order is big */
+
+  (HAS_RELOC | EXEC_P		/* object flags */
+   | HAS_LINENO | HAS_DEBUG
+   | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  0,				/* leading underscore */
+  ' ',				/* ar_pad_char */
+  15,				/* ar_max_namelen */
+  0,				/* match priority.  */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
+
+  {				/* bfd_check_format */
+    _bfd_dummy_target,
+    coff_object_p,
+    bfd_generic_archive_p,
+    _bfd_dummy_target
+  },
+  {				/* bfd_set_format */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_mkobject,
+    _bfd_generic_mkarchive,
+    _bfd_bool_bfd_false_error
+  },
+  {				/* bfd_write_contents */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_write_object_contents,
+    _bfd_write_archive_contents,
+    _bfd_bool_bfd_false_error
+  },
+
+  BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
+  BFD_JUMP_TABLE_COPY (_bfd_ecoff),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
+  BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
+  BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
+  BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
+  BFD_JUMP_TABLE_LINK (_bfd_ecoff),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  &mips_ecoff_le_vec,
+
+  &mips_ecoff_backend_data
+};
+
+const bfd_target mips_ecoff_bele_vec =
+{
+  "ecoff-biglittlemips",		/* name */
+  bfd_target_ecoff_flavour,
+  BFD_ENDIAN_LITTLE,		/* data byte order is little */
+  BFD_ENDIAN_BIG,		/* header byte order is big */
+
+  (HAS_RELOC | EXEC_P		/* object flags */
+   | HAS_LINENO | HAS_DEBUG
+   | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  0,				/* leading underscore */
+  ' ',				/* ar_pad_char */
+  15,				/* ar_max_namelen */
+  0,				/* match priority.  */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+
+  {				/* bfd_check_format */
+    _bfd_dummy_target,
+    coff_object_p,
+    bfd_generic_archive_p,
+    _bfd_dummy_target
+  },
+  {				/* bfd_set_format */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_mkobject,
+    _bfd_generic_mkarchive,
+    _bfd_bool_bfd_false_error
+  },
+  {				/* bfd_write_contents */
+    _bfd_bool_bfd_false_error,
+    _bfd_ecoff_write_object_contents,
+    _bfd_write_archive_contents,
+    _bfd_bool_bfd_false_error
+  },
+
+  BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
+  BFD_JUMP_TABLE_COPY (_bfd_ecoff),
+  BFD_JUMP_TABLE_CORE (_bfd_nocore),
+  BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
+  BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
+  BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
+  BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
+  BFD_JUMP_TABLE_LINK (_bfd_ecoff),
+  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  NULL,
+
+  &mips_ecoff_backend_data
+};