/* Solaris2 link support for BFD.

   Copyright (C) 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 "elf-bfd.h"

#include "elf-solaris2.h"

/* Global symbols required by the Solaris 2 ABI.  */

const char *const elf_solaris2_global_syms[] = {

  "_DYNAMIC",

  "_GLOBAL_OFFSET_TABLE_",

  "_PROCEDURE_LINKAGE_TABLE_",

  "_edata",

  "_end",

  "_etext",

  NULL

};

/* Strip these symbols out of any dynamic library.  Their value in a

   shared library can never be of use in the output executable or

   shared library being produced by the linker.  They will of course

   be defined relative to the current output, but in the case of a PDE

   that happens for the first three symbols after loading the first

   shared library.  The trouble with that is that if the first shared

   library happens to be as-needed, references from crt*.o to those

   symbols will always make the library seem to be needed.  */

bool

elf_solaris2_add_symbol_hook (bfd *abfd,

            struct bfd_link_info *info ATTRIBUTE_UNUSED,

            Elf_Internal_Sym *isym ATTRIBUTE_UNUSED,

            const char **name,

            flagword *flags ATTRIBUTE_UNUSED,

            asection **sec ATTRIBUTE_UNUSED,

            bfd_vma *value ATTRIBUTE_UNUSED)

{

  if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0 || *name == NULL)

    return true;

  if (is_solaris2_abi_global_sym (*name))

    *name = NULL;

  return true;

}