/* Visium-specific support for 32-bit ELF.

   Copyright (C) 2003-2026 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"

#include "libiberty.h"

static bfd_reloc_status_type visium_elf_howto_parity_reloc

  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);

static reloc_howto_type visium_elf_howto_table[] = {

  /* This reloc does nothing.  */

  HOWTO (R_VISIUM_NONE,   /* type */

   0,     /* rightshift */

   0,     /* size */

   0,     /* bitsize */

   false,     /* pc_relative */

   0,     /* bitpos */

   complain_overflow_dont,  /* 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 */

   1,     /* size */

   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 */

   2,     /* size */

   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 */

   4,     /* size */

   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 */

   1,     /* size */

   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 */

   2,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,     /* size */

   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 */

   4,        /* size */

   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 */

   4,        /* size */

   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 */

/* 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, void *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;

  /* 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;

      relocation -= input_section->output_offset;

      relocation -= reloc_entry->address;

    }

  switch (reloc_entry->howto->type)

    {

    case R_VISIUM_PC16:

      if (ret == bfd_reloc_ok

    && ((bfd_signed_vma) relocation < -0x20000

        || (bfd_signed_vma) relocation > 0x1ffff))

  ret = bfd_reloc_overflow;

      relocation = (relocation >> 2) & 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 bool

visium_info_to_howto_rela (bfd *abfd, 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:

      if (r_type >= ARRAY_SIZE (visium_elf_howto_table))

  {

    /* xgettext:c-format */

    _bfd_error_handler (_("%pB: unsupported relocation type %#x"),

            abfd, r_type);

    bfd_set_error (bfd_error_bad_value);

    return false;

  }

      cache_ptr->howto = &visium_elf_howto_table[r_type];

      break;

    }

  return true;

}

/* 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 bool

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 (bfd_link_relocatable (info))

    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 int

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 (sec) : name;

  }

      else

  {

    bool unresolved_reloc;

    bool 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))

  RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,

           rel, 1, relend, R_VISIUM_NONE,

           howto, 0, contents);

      if (bfd_link_relocatable (info))

  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:

        (*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:

        (*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)

      (*info->callbacks->warning) (info, msg, name, input_bfd,

           input_section, rel->r_offset);

  }

    }

  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,

       struct elf_reloc_cookie *cookie,

       struct elf_link_hash_entry *h,

       unsigned int symndx)

{

  if (h != NULL)

    switch (ELF32_R_TYPE (cookie->rel->r_info))

      {

      case R_VISIUM_GNU_VTINHERIT:

      case R_VISIUM_GNU_VTENTRY:

  return NULL;

      }

  return _bfd_elf_gc_mark_hook (sec, info, cookie, h, symndx);

}

static bool

visium_elf_init_file_header (bfd *abfd, struct bfd_link_info *info)

{

  Elf_Internal_Ehdr *i_ehdrp;

  if (!_bfd_elf_init_file_header (abfd, info))

    return false;

  i_ehdrp = elf_elfheader (abfd);

  i_ehdrp->e_ident[EI_ABIVERSION] = 1;

  return true;

}

/* Function to set the ELF flag bits.  */

static bool

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 bool

visium_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)

{

  if (bfd_get_flavour (ibfd) != 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 bool

visium_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)

{

  bfd *obfd = info->output_bfd;

  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";

  if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)

    return true;

  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

    /* xgettext:c-format */

    (_("%pB: compiled %s -mtune=%s and linked with modules"

       " compiled %s -mtune=%s"),

     ibfd, new_opt_with, opt_arch, old_opt_with, opt_arch);

    }

  return true;

}

static bool

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_OSABI   ELFOSABI_STANDALONE

#define ELF_OSABI_EXACT   1

#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_init_file_header    visium_elf_init_file_header

#include "elf32-target.h"