/* Initialization of RISC-V specific backend library.

   This file is part of elfutils.

   This file is free software; you can redistribute it and/or modify

   it under the terms of either

     * the GNU Lesser General Public License as published by the Free

       Software Foundation; either version 3 of the License, or (at

       your option) any later version

   or

     * the GNU General Public License as published by the Free

       Software Foundation; either version 2 of the License, or (at

       your option) any later version

   or both in parallel, as here.

   elfutils 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 copies of the GNU General Public License and

   the GNU Lesser General Public License along with this program.  If

   not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#define BACKEND		riscv_

#define RELOC_PREFIX	R_RISCV_

#include "libebl_CPU.h"

#include "libelfP.h"

/* This defines the common reloc hooks based on riscv_reloc.def.  */

#include "common-reloc.c"

extern __typeof (EBLHOOK (return_value_location))

  riscv_return_value_location_lp64d attribute_hidden;

extern __typeof (EBLHOOK (core_note)) riscv64_core_note attribute_hidden;

const char *

riscv_init (Elf *elf,

	    GElf_Half machine __attribute__ ((unused)),

	    Ebl *eh,

	    size_t ehlen)

{

  /* Check whether the Elf_BH object has a sufficent size.  */

  if (ehlen < sizeof (Ebl))

    return NULL;

  /* We handle it.  */

  riscv_init_reloc (eh);

  HOOK (eh, reloc_simple_type);

  HOOK (eh, register_info);

  HOOK (eh, abi_cfi);

  HOOK (eh, disasm);

  /* gcc/config/ #define DWARF_FRAME_REGISTERS.  */

  eh->frame_nregs = 66;

  HOOK (eh, check_special_symbol);

  HOOK (eh, machine_flag_check);

  HOOK (eh, set_initial_registers_tid);

  if (eh->class == ELFCLASS64)

    eh->core_note = riscv64_core_note;

  else

    HOOK (eh, core_note);

  if (eh->class == ELFCLASS64

      && ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)

	  == EF_RISCV_FLOAT_ABI_DOUBLE))

    eh->return_value_location = riscv_return_value_location_lp64d;

  return MODVERSION;

}