Add Visium support to bfd

bfd/
	* config.bfd: Add Visium support.
	* configure.ac: Likewise.
	* configure: Regenerate.
	* Makefile.am (ALL_MACHINES): Add cpu-visium.lo.
	(ALL_MACHINES_CFILES): Add cpu-visium.c.
	(BFD32_BACKENDS): Add elf32-visium.lo.
	(BFD32_BACKENDS_CFILES): Add elf32-visium.c.
	* Makefile.in: Regenerate.
	* archures.c (DESCRIPTION): Add Visium support.
	(bfd_visium_arch): Declare.
	(bfd_archures_list): Add bfd_visium_arch.
	* reloc.c: Add Visium relocations.
	* targets.c (visium_elf32_vec): Declare.
	(_bfd_target_vector): Add visium_elf32_vec.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Likewise.
	* cpu-visium.c: New file.
	* elf32-visium.c: Likewise.
	* po/SRC-POTFILES.in: Regenerate.
include/elf/
	* common.h (EM_VISIUM): Define.
	* visium.h: New file.

1 files changed, 898 insertions, 0 deletions

diff --git a/bfd/elf32-visium.c b/bfd/elf32-visium.c
new file mode 100644
index 0000000..a77b677
--- /dev/null
+++ b/bfd/elf32-visium.c
@@ -0,0 +1,898 @@
+/* Visium-specific support for 32-bit ELF.
+
+   Copyright (C) 2003-2014 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 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 "sysdep.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/visium.h"
+
+static bfd_reloc_status_type visium_elf_howto_parity_reloc
+  (bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
+
+static reloc_howto_type visium_elf_howto_table[] = {
+  /* This reloc does nothing.  */
+  HOWTO (R_VISIUM_NONE,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 32,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_NONE",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 8 bit absolute relocation.  */
+  HOWTO (R_VISIUM_8,		/* type */
+	 0,			/* rightshift */
+	 0,			/* size (0 = byte, 1 = short, 2 = long) */
+	 8,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_8",		/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00,			/* src_mask */
+	 0xff,			/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 16 bit absolute relocation.  */
+  HOWTO (R_VISIUM_16,		/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_16",		/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 32 bit absolute relocation.  */
+  HOWTO (R_VISIUM_32,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 32,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_32",		/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0xffffffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+
+  /* A 8 bit PC relative relocation.  */
+  HOWTO (R_VISIUM_8_PCREL,		/* type */
+	 0,			/* rightshift */
+	 0,			/* size (0 = byte, 1 = short, 2 = long) */
+	 8,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_8_PCREL",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00,			/* src_mask */
+	 0xff,			/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* A 16 bit PC relative relocation.  */
+  HOWTO (R_VISIUM_16_PCREL,	/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_16_PCREL",	/* name */
+	 FALSE,			/* partial inplace */
+	 0x0000,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* A 32-bit PC relative relocation.  */
+  HOWTO (R_VISIUM_32_PCREL,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 32,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_VISIUM_32_PCREL",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0xffffffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* A 16-bit PC word relative offset, relative to start of instruction
+     and always in the second half of the instruction.  */
+  HOWTO (R_VISIUM_PC16,		/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_PC16",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* The high 16 bits of symbol value.  */
+  HOWTO (R_VISIUM_HI16,		/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_HI16",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* The low 16 bits of symbol value.  */
+  HOWTO (R_VISIUM_LO16,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_LO16",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* A 16 bit immediate value.  */
+  HOWTO (R_VISIUM_IM16,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_IM16",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000000,		/* src_mask */
+	 0x000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* The high 16 bits of symbol value, pc relative.  */
+  HOWTO (R_VISIUM_HI16_PCREL,	/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_HI16_PCREL",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* The low 16 bits of symbol value, pc relative.  */
+  HOWTO (R_VISIUM_LO16_PCREL,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_LO16_PCREL",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+  /* A 16 bit immediate value, pc relative.  */
+  HOWTO (R_VISIUM_IM16_PCREL,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 TRUE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 visium_elf_howto_parity_reloc,	/* special_function */
+	 "R_VISIUM_IM16_PCREL",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000000,		/* src_mask */
+	 0x000ffff,		/* dst_mask */
+	 TRUE),			/* pcrel_offset */
+
+};
+
+/* GNU extension to record C++ vtable hierarchy.  */
+static reloc_howto_type visium_elf_vtinherit_howto =
+  HOWTO (R_VISIUM_GNU_VTINHERIT,      /* type */
+	 0,			   /* rightshift */
+	 2,			   /* size (0 = byte, 1 = short, 2 = long) */
+	 0,			   /* bitsize */
+	 FALSE,			   /* pc_relative */
+	 0,			   /* bitpos */
+	 complain_overflow_dont,   /* complain_on_overflow */
+	 NULL,			   /* special_function */
+	 "R_VISIUM_GNU_VTINHERIT", /* name */
+	 FALSE,			   /* partial_inplace */
+	 0,			   /* src_mask */
+	 0,			   /* dst_mask */
+	 FALSE);		   /* pcrel_offset */
+
+/* GNU extension to record C++ vtable member usage.  */
+static reloc_howto_type visium_elf_vtentry_howto =
+  HOWTO (R_VISIUM_GNU_VTENTRY,	   /* type */
+	 0,			   /* rightshift */
+	 2,			   /* size (0 = byte, 1 = short, 2 = long) */
+	 0,			   /* bitsize */
+	 FALSE,			   /* pc_relative */
+	 0,			   /* bitpos */
+	 complain_overflow_dont,   /* complain_on_overflow */
+	 NULL,			   /* special_function */
+	 "R_VISIUM_GNU_VTENTRY",   /* name */
+	 FALSE,			   /* partial_inplace */
+	 0,			   /* src_mask */
+	 0,			   /* dst_mask */
+	 FALSE);		   /* pcrel_offset */
+
+/* Map BFD reloc types to VISIUM ELF reloc types.  */
+struct visium_reloc_map
+{
+  bfd_reloc_code_real_type bfd_reloc_val;
+  unsigned int visium_reloc_val;
+};
+
+static const struct visium_reloc_map visium_reloc_map[] = {
+  {BFD_RELOC_NONE, 		R_VISIUM_NONE},
+  {BFD_RELOC_8, 		R_VISIUM_8},
+  {BFD_RELOC_16,		R_VISIUM_16},
+  {BFD_RELOC_32, 		R_VISIUM_32},
+  {BFD_RELOC_8_PCREL,		R_VISIUM_8_PCREL},
+  {BFD_RELOC_16_PCREL,		R_VISIUM_16_PCREL},
+  {BFD_RELOC_32_PCREL,		R_VISIUM_32_PCREL},
+  {BFD_RELOC_VISIUM_REL16,	R_VISIUM_PC16},
+  {BFD_RELOC_VISIUM_HI16,	R_VISIUM_HI16},
+  {BFD_RELOC_VISIUM_LO16,	R_VISIUM_LO16},
+  {BFD_RELOC_VISIUM_IM16,	R_VISIUM_IM16},
+  {BFD_RELOC_VISIUM_HI16_PCREL,	R_VISIUM_HI16_PCREL},
+  {BFD_RELOC_VISIUM_LO16_PCREL,	R_VISIUM_LO16_PCREL},
+  {BFD_RELOC_VISIUM_IM16_PCREL,	R_VISIUM_IM16_PCREL},
+  {BFD_RELOC_VTABLE_INHERIT,	R_VISIUM_GNU_VTINHERIT},
+  {BFD_RELOC_VTABLE_ENTRY,	R_VISIUM_GNU_VTENTRY},
+};
+
+/* Return the parity bit for INSN shifted to its final position.  */
+
+static bfd_vma
+visium_parity_bit (bfd_vma insn)
+{
+  bfd_vma p = 0;
+  int i;
+
+  for (i = 0; i < 31; i++)
+    {
+      p ^= (insn & 1);
+      insn >>= 1;
+    }
+
+  return p << 31;
+}
+
+/* This "special function" will only be used when the input and
+   output files have different formats ie. when generating S-records
+   directly using "--oformat srec". Otherwise we use
+   _bfd_final_link_relocate which uses a howto structure, but does
+   not use the special_function field.
+
+   It sets instruction parity to even.  This cannot be done by a howto.  */
+
+static bfd_reloc_status_type
+visium_elf_howto_parity_reloc (bfd * input_bfd, arelent *reloc_entry,
+			       asymbol *symbol, PTR data,
+			       asection *input_section, bfd *output_bfd,
+			       char **error_message ATTRIBUTE_UNUSED)
+{
+  bfd_reloc_status_type ret;
+  bfd_vma relocation;
+  bfd_byte *inplace_address;
+  bfd_vma insn;
+  const bfd_vma signmask = 0xffff8000;
+
+  /* This part is from bfd_elf_generic_reloc.
+     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->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  /* Now do the reloc in the usual way.  */
+
+  /* Sanity check the address (offset in section).  */
+  if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section))
+    return bfd_reloc_outofrange;
+
+  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) || output_bfd != (bfd *) NULL)
+    relocation = 0;
+  else
+    relocation = symbol->value;
+
+  /* Only do this for a final link.  */
+  if (output_bfd == (bfd *) NULL)
+    {
+      relocation += symbol->section->output_section->vma;
+      relocation += symbol->section->output_offset;
+    }
+
+  relocation += reloc_entry->addend;
+  inplace_address = (bfd_byte *) data + reloc_entry->address;
+  insn = bfd_get_32 (input_bfd, inplace_address);
+
+  if (reloc_entry->howto->pc_relative)
+    {
+      relocation -= input_section->output_section->vma
+	+ input_section->output_offset;
+      relocation -= reloc_entry->address;
+    }
+
+  switch (reloc_entry->howto->type)
+    {
+    case R_VISIUM_PC16:
+      relocation >>= 2;
+      if (ret == bfd_reloc_ok && (relocation & signmask) != 0
+	  && (relocation & signmask) != signmask)
+	ret = bfd_reloc_overflow;
+      relocation &= 0xffff;
+      break;
+    case R_VISIUM_HI16:
+    case R_VISIUM_HI16_PCREL:
+      relocation = (relocation >> 16) & 0xffff;
+      break;
+    case R_VISIUM_LO16:
+    case R_VISIUM_LO16_PCREL:
+      relocation &= 0xffff;
+      break;
+    case R_VISIUM_IM16:
+    case R_VISIUM_IM16_PCREL:
+      if (ret == bfd_reloc_ok && (relocation & 0xffff0000) != 0)
+	ret = bfd_reloc_overflow;
+      relocation &= 0xffff;
+      break;
+    }
+  insn = (insn & 0x7fff0000) | relocation;
+  insn |= visium_parity_bit (insn);
+  bfd_put_32 (input_bfd, insn, inplace_address);
+
+  if (output_bfd != (bfd *) NULL)
+    reloc_entry->address += input_section->output_offset;
+
+  return ret;
+}
+
+static reloc_howto_type *
+visium_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+			  bfd_reloc_code_real_type code)
+{
+  /* Note that the visium_elf_howto_table is indexed by the R_
+     constants. Thus, the order that the howto records appear in the
+     table *must* match the order of the relocation types defined in
+     include/elf/visium.h.  */
+  switch (code)
+    {
+    case BFD_RELOC_NONE:
+      return &visium_elf_howto_table[(int) R_VISIUM_NONE];
+    case BFD_RELOC_8:
+      return &visium_elf_howto_table[(int) R_VISIUM_8];
+    case BFD_RELOC_16:
+      return &visium_elf_howto_table[(int) R_VISIUM_16];
+    case BFD_RELOC_32:
+      return &visium_elf_howto_table[(int) R_VISIUM_32];
+    case BFD_RELOC_8_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_8_PCREL];
+    case BFD_RELOC_16_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_16_PCREL];
+    case BFD_RELOC_32_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_32_PCREL];
+    case BFD_RELOC_VISIUM_REL16:
+      return &visium_elf_howto_table[(int) R_VISIUM_PC16];
+    case BFD_RELOC_VISIUM_HI16:
+      return &visium_elf_howto_table[(int) R_VISIUM_HI16];
+    case BFD_RELOC_VISIUM_LO16:
+      return &visium_elf_howto_table[(int) R_VISIUM_LO16];
+    case BFD_RELOC_VISIUM_IM16:
+      return &visium_elf_howto_table[(int) R_VISIUM_IM16];
+    case BFD_RELOC_VISIUM_HI16_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_HI16_PCREL];
+    case BFD_RELOC_VISIUM_LO16_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_LO16_PCREL];
+    case BFD_RELOC_VISIUM_IM16_PCREL:
+      return &visium_elf_howto_table[(int) R_VISIUM_IM16_PCREL];
+    case BFD_RELOC_VTABLE_INHERIT:
+      return &visium_elf_vtinherit_howto;
+    case BFD_RELOC_VTABLE_ENTRY:
+      return &visium_elf_vtentry_howto;
+    default:
+      return NULL;
+    }
+}
+
+static reloc_howto_type *
+visium_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0;
+       i < (sizeof (visium_elf_howto_table)
+	    / sizeof (visium_elf_howto_table[0])); i++)
+    if (visium_elf_howto_table[i].name != NULL
+	&& strcasecmp (visium_elf_howto_table[i].name, r_name) == 0)
+      return &visium_elf_howto_table[i];
+
+  if (strcasecmp (visium_elf_vtinherit_howto.name, r_name) == 0)
+    return &visium_elf_vtinherit_howto;
+  if (strcasecmp (visium_elf_vtentry_howto.name, r_name) == 0)
+    return &visium_elf_vtentry_howto;
+
+  return NULL;
+}
+
+/* Set the howto pointer for a VISIUM ELF reloc.  */
+
+static void
+visium_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
+			   Elf_Internal_Rela *dst)
+{
+  unsigned int r_type = ELF32_R_TYPE (dst->r_info);
+
+  switch (r_type)
+    {
+    case R_VISIUM_GNU_VTINHERIT:
+      cache_ptr->howto = &visium_elf_vtinherit_howto;
+      break;
+
+    case R_VISIUM_GNU_VTENTRY:
+      cache_ptr->howto = &visium_elf_vtentry_howto;
+      break;
+
+    default:
+      cache_ptr->howto = &visium_elf_howto_table[r_type];
+      break;
+    }
+}
+
+/* Look through the relocs for a section during the first phase.
+   Since we don't do .gots or .plts, we just need to consider the
+   virtual table relocs for gc.  */
+
+static bfd_boolean
+visium_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
+			 asection *sec, const Elf_Internal_Rela *relocs)
+{
+  Elf_Internal_Shdr *symtab_hdr;
+  struct elf_link_hash_entry **sym_hashes;
+  const Elf_Internal_Rela *rel;
+  const Elf_Internal_Rela *rel_end;
+
+  if (info->relocatable)
+    return TRUE;
+
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (abfd);
+
+  rel_end = relocs + sec->reloc_count;
+  for (rel = relocs; rel < rel_end; rel++)
+    {
+      struct elf_link_hash_entry *h;
+      unsigned long r_symndx;
+
+      r_symndx = ELF32_R_SYM (rel->r_info);
+      if (r_symndx < symtab_hdr->sh_info)
+	h = NULL;
+      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;
+	}
+
+      switch (ELF32_R_TYPE (rel->r_info))
+	{
+	  /* This relocation describes the C++ object vtable hierarchy.
+	     Reconstruct it for later use during GC.  */
+	case R_VISIUM_GNU_VTINHERIT:
+	  if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+	    return FALSE;
+	  break;
+
+	  /* This relocation describes which C++ vtable entries are actually
+	     used.  Record for later use during GC.  */
+	case R_VISIUM_GNU_VTENTRY:
+	  if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+	    return FALSE;
+	  break;
+	}
+    }
+
+  return TRUE;
+}
+
+/* Relocate a VISIUM ELF section.  */
+
+static bfd_boolean
+visium_elf_relocate_section (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;
+  Elf_Internal_Rela *relend;
+
+  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (input_bfd);
+  relend = relocs + input_section->reloc_count;
+
+  for (rel = relocs; rel < relend; rel++)
+    {
+      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;
+      const char *name = NULL;
+      int r_type;
+      bfd_vma insn;
+
+      r_type = ELF32_R_TYPE (rel->r_info);
+
+      if (r_type == R_VISIUM_GNU_VTINHERIT || r_type == R_VISIUM_GNU_VTENTRY)
+	continue;
+
+      r_symndx = ELF32_R_SYM (rel->r_info);
+
+      howto = visium_elf_howto_table + ELF32_R_TYPE (rel->r_info);
+      h = NULL;
+      sym = NULL;
+      sec = NULL;
+
+      if (r_symndx < symtab_hdr->sh_info)
+	{
+	  /* This is a local symbol.  */
+	  sym = local_syms + r_symndx;
+	  sec = local_sections[r_symndx];
+	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+
+	  name = bfd_elf_string_from_elf_section
+	    (input_bfd, symtab_hdr->sh_link, sym->st_name);
+	  name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+	}
+      else
+	{
+	  bfd_boolean unresolved_reloc;
+	  bfd_boolean warned, ignored;
+
+	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+				   r_symndx, symtab_hdr, sym_hashes,
+				   h, sec, relocation,
+				   unresolved_reloc, warned, ignored);
+
+	  name = h->root.root.string;
+	}
+
+      if (sec != NULL && discarded_section (sec))
+	{
+	  /* For relocs against symbols from removed linkonce sections,
+	     or sections discarded by a linker script, we just want the
+	     section contents zeroed.  Avoid any special processing.  */
+	  _bfd_clear_contents (howto, input_bfd, input_section,
+			       contents + rel->r_offset);
+
+	  rel->r_info = 0;
+	  rel->r_addend = 0;
+	  continue;
+	}
+
+      if (info->relocatable)
+	continue;
+
+      switch (r_type)
+	{
+	case R_VISIUM_PC16:
+	case R_VISIUM_HI16:
+	case R_VISIUM_LO16:
+	case R_VISIUM_IM16:
+	case R_VISIUM_HI16_PCREL:
+	case R_VISIUM_LO16_PCREL:
+	case R_VISIUM_IM16_PCREL:
+	  r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+					contents, rel->r_offset,
+					relocation, rel->r_addend);
+
+	  /* For instruction relocations, the parity needs correcting.  */
+	  if (r == bfd_reloc_ok)
+	    {
+	      insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+	      insn = (insn & 0x7fffffff) | visium_parity_bit (insn);
+	      bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
+	    }
+	  break;
+
+	default:
+	  r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+					contents, rel->r_offset,
+					relocation, rel->r_addend);
+	  break;
+	}
+
+      if (r != bfd_reloc_ok)
+	{
+	  const char *msg = (const char *) NULL;
+
+	  switch (r)
+	    {
+	    case bfd_reloc_overflow:
+	      r = info->callbacks->reloc_overflow
+		(info, (h ? &h->root : NULL), name, howto->name, (bfd_vma) 0,
+		 input_bfd, input_section, rel->r_offset);
+	      break;
+
+	    case bfd_reloc_undefined:
+	      r = info->callbacks->undefined_symbol
+		(info, name, input_bfd, input_section, rel->r_offset, TRUE);
+	      break;
+
+	    case bfd_reloc_outofrange:
+	      msg = _("internal error: out of range error");
+	      break;
+
+	    case bfd_reloc_notsupported:
+	      msg = _("internal error: unsupported relocation error");
+	      break;
+
+	    case bfd_reloc_dangerous:
+	      msg = _("internal error: dangerous relocation");
+	      break;
+
+	    default:
+	      msg = _("internal error: unknown error");
+	      break;
+	    }
+
+	  if (msg)
+	    r = info->callbacks->warning
+	      (info, msg, name, input_bfd, input_section, rel->r_offset);
+
+	  if (!r)
+	    return FALSE;
+	}
+    }
+
+  return TRUE;
+}
+
+/* This function is called during section gc to discover the section a
+   to which a particular relocation refers.  Return the section that
+   should be marked against GC for a given relocation.  */
+
+static asection *
+visium_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info,
+			 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
+			 Elf_Internal_Sym *sym)
+{
+  if (h != NULL)
+    switch (ELF32_R_TYPE (rel->r_info))
+      {
+      case R_VISIUM_GNU_VTINHERIT:
+      case R_VISIUM_GNU_VTENTRY:
+	return NULL;
+      }
+
+  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+static void
+visium_elf_post_process_headers (bfd *abfd,
+				 struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+  Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
+  i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_STANDALONE;
+  i_ehdrp->e_ident[EI_ABIVERSION] = 1;
+}
+
+/* Function to set the ELF flag bits.  */
+
+static bfd_boolean
+visium_elf_set_private_flags (bfd *abfd, flagword flags)
+{
+  elf_elfheader (abfd)->e_flags = flags;
+  elf_flags_init (abfd) = TRUE;
+  return TRUE;
+}
+
+/* Copy backend specific data from one object module to another.  */
+
+static bfd_boolean
+visium_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+  if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+    return TRUE;
+
+  BFD_ASSERT (!elf_flags_init (obfd)
+	      || elf_elfheader (obfd)->e_flags ==
+	      elf_elfheader (ibfd)->e_flags);
+
+  elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
+  elf_flags_init (obfd) = TRUE;
+
+  /* Copy object attributes.  */
+  _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
+  return TRUE;
+}
+
+/* Merge backend specific data from an object
+   file to the output object file when linking.  */
+
+static bfd_boolean
+visium_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+  flagword old_flags;
+  flagword new_flags;
+  flagword mismatch;
+  const char *opt_arch = NULL;
+  const char *new_opt_with = NULL;
+  const char *old_opt_with = NULL;
+  const char *with = "with";
+  const char *without = "without";
+  const char *mcm = "mcm";
+  const char *mcm24 = "mcm24";
+  const char *gr6 = "gr6";
+
+  new_flags = elf_elfheader (ibfd)->e_flags;
+  old_flags = elf_elfheader (obfd)->e_flags;
+
+  if (!elf_flags_init (obfd))
+    {
+      /* First call, no flags set.  */
+      elf_flags_init (obfd) = TRUE;
+      elf_elfheader (obfd)->e_flags = new_flags;
+    }
+  else
+    {
+      mismatch = (new_flags ^ old_flags)
+	& (EF_VISIUM_ARCH_MCM | EF_VISIUM_ARCH_MCM24 | EF_VISIUM_ARCH_GR6);
+      if (mismatch & EF_VISIUM_ARCH_GR6)
+	{
+	  opt_arch = gr6;
+	  new_opt_with = new_flags & EF_VISIUM_ARCH_GR6 ? with : without;
+	  old_opt_with = old_flags & EF_VISIUM_ARCH_GR6 ? with : without;
+	}
+      else if (mismatch & EF_VISIUM_ARCH_MCM)
+	{
+	  opt_arch = mcm;
+	  new_opt_with = new_flags & EF_VISIUM_ARCH_MCM ? with : without;
+	  old_opt_with = old_flags & EF_VISIUM_ARCH_MCM ? with : without;
+	}
+      else if (mismatch & EF_VISIUM_ARCH_MCM24)
+	{
+	  opt_arch = mcm24;
+	  new_opt_with = new_flags & EF_VISIUM_ARCH_MCM24 ? with : without;
+	  old_opt_with = old_flags & EF_VISIUM_ARCH_MCM24 ? with : without;
+	}
+
+      if (mismatch)
+	_bfd_error_handler
+	  (_
+	   ("%s: compiled %s -mtune=%s and linked with modules"
+	    " compiled %s -mtune=%s"),
+	   bfd_get_filename (ibfd), new_opt_with, opt_arch, old_opt_with,
+	   opt_arch);
+    }
+
+  return TRUE;
+}
+
+static bfd_boolean
+visium_elf_print_private_bfd_data (bfd *abfd, void *ptr)
+{
+  FILE *file = (FILE *) ptr;
+  flagword flags;
+
+  BFD_ASSERT (abfd != NULL && ptr != NULL);
+
+  /* Print normal ELF private data.  */
+  _bfd_elf_print_private_bfd_data (abfd, ptr);
+
+  flags = elf_elfheader (abfd)->e_flags;
+  fprintf (file, _("private flags = 0x%lx:"), (long) flags);
+
+  if (flags & EF_VISIUM_ARCH_GR6)
+    fprintf (file, " -mtune=gr6");
+  else if (flags & EF_VISIUM_ARCH_MCM)
+    fprintf (file, " -mtune=mcm");
+  else if (flags & EF_VISIUM_ARCH_MCM24)
+    fprintf (file, " -mtune=mcm24");
+
+  fputc ('\n', file);
+  return TRUE;
+}
+
+#define ELF_ARCH		bfd_arch_visium
+#define ELF_MACHINE_CODE	EM_VISIUM
+#define ELF_MAXPAGESIZE		1
+
+#define TARGET_BIG_SYM		visium_elf32_vec
+#define TARGET_BIG_NAME		"elf32-visium"
+
+#define elf_info_to_howto_rel			NULL
+#define elf_info_to_howto			visium_info_to_howto_rela
+#define elf_backend_relocate_section		visium_elf_relocate_section
+#define elf_backend_gc_mark_hook		visium_elf_gc_mark_hook
+#define elf_backend_check_relocs		visium_elf_check_relocs
+#define elf_backend_rela_normal			1
+
+#define elf_backend_can_gc_sections		1
+
+#define bfd_elf32_bfd_reloc_type_lookup		visium_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup		visium_reloc_name_lookup
+
+#define bfd_elf32_bfd_set_private_flags		visium_elf_set_private_flags
+#define bfd_elf32_bfd_copy_private_bfd_data	visium_elf_copy_private_bfd_data
+#define bfd_elf32_bfd_merge_private_bfd_data	visium_elf_merge_private_bfd_data
+#define bfd_elf32_bfd_print_private_bfd_data	visium_elf_print_private_bfd_data
+#define elf_backend_post_process_headers	visium_elf_post_process_headers
+
+#include "elf32-target.h"