/* TILE-Gx-specific support for 64-bit ELF.

   Copyright (C) 2011-2025 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 "libbfd.h"

#include "elf-bfd.h"

#include "elfxx-tilegx.h"

#include "elf64-tilegx.h"

/* Support for core dump NOTE sections.  */

static bool

tilegx_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)

{

  int offset;

  size_t size;

  if (note->descsz != TILEGX_PRSTATUS_SIZEOF)

    return false;

  /* pr_cursig */

  elf_tdata (abfd)->core->signal =

    bfd_get_16 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_CURSIG);

  /* pr_pid */

  elf_tdata (abfd)->core->pid =

    bfd_get_32 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_PID);

  /* pr_reg */

  offset = TILEGX_PRSTATUS_OFFSET_PR_REG;

  size   = TILEGX_GREGSET_T_SIZE;

  /* Make a ".reg/999" section.  */

  return _bfd_elfcore_make_pseudosection (abfd, ".reg",

            size, note->descpos + offset);

}

static bool

tilegx_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)

{

  if (note->descsz != TILEGX_PRPSINFO_SIZEOF)

    return false;

  elf_tdata (abfd)->core->program

    = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_FNAME, 16);

  elf_tdata (abfd)->core->command

    = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_PSARGS, ELF_PR_PSARGS_SIZE);

  /* Note that for some reason, a spurious space is tacked

     onto the end of the args in some (at least one anyway)

     implementations, so strip it off if it exists.  */

  {

    char *command = elf_tdata (abfd)->core->command;

    int n = strlen (command);

    if (0 < n && command[n - 1] == ' ')

      command[n - 1] = '\0';

  }

  return true;

}

#define ELF_ARCH    bfd_arch_tilegx

#define ELF_TARGET_ID   TILEGX_ELF_DATA

#define ELF_MACHINE_CODE  EM_TILEGX

#define ELF_MAXPAGESIZE   0x10000

#define ELF_COMMONPAGESIZE  0x10000

#define TARGET_BIG_SYM    tilegx_elf64_be_vec

#define TARGET_BIG_NAME   "elf64-tilegx-be"

#define TARGET_LITTLE_SYM tilegx_elf64_le_vec

#define TARGET_LITTLE_NAME  "elf64-tilegx-le"

#define elf_backend_reloc_type_class       tilegx_reloc_type_class

#define bfd_elf64_bfd_reloc_name_lookup      tilegx_reloc_name_lookup

#define bfd_elf64_bfd_link_hash_table_create tilegx_elf_link_hash_table_create

#define bfd_elf64_bfd_reloc_type_lookup      tilegx_reloc_type_lookup

#define bfd_elf64_bfd_merge_private_bfd_data \

  _bfd_tilegx_elf_merge_private_bfd_data

#define elf_backend_copy_indirect_symbol     tilegx_elf_copy_indirect_symbol

#define elf_backend_create_dynamic_sections  tilegx_elf_create_dynamic_sections

#define elf_backend_check_relocs       tilegx_elf_check_relocs

#define elf_backend_adjust_dynamic_symbol    tilegx_elf_adjust_dynamic_symbol

#define elf_backend_omit_section_dynsym      tilegx_elf_omit_section_dynsym

#define elf_backend_late_size_sections       tilegx_elf_late_size_sections

#define elf_backend_relocate_section       tilegx_elf_relocate_section

#define elf_backend_finish_dynamic_symbol    tilegx_elf_finish_dynamic_symbol

#define elf_backend_finish_dynamic_sections  tilegx_elf_finish_dynamic_sections

#define elf_backend_gc_mark_hook       tilegx_elf_gc_mark_hook

#define elf_backend_plt_sym_val        tilegx_elf_plt_sym_val

#define elf_info_to_howto_rel        NULL

#define elf_info_to_howto        tilegx_info_to_howto_rela

#define elf_backend_grok_prstatus      tilegx_elf_grok_prstatus

#define elf_backend_grok_psinfo        tilegx_elf_grok_psinfo

#define elf_backend_additional_program_headers tilegx_additional_program_headers

#define elf_backend_init_index_section  _bfd_elf_init_1_index_section

#define elf_backend_can_gc_sections 1

#define elf_backend_can_refcount 1

#define elf_backend_want_got_plt 1

#define elf_backend_plt_readonly 1

/* Align PLT mod 64 byte L2 line size. */

#define elf_backend_plt_alignment 6

#define elf_backend_want_plt_sym 1

#define elf_backend_got_header_size 8

#define elf_backend_want_dynrelro 1

#define elf_backend_rela_normal 1

#define elf_backend_default_execstack 0

#include "elf64-target.h"