backends/loongarch_init.c - master - githubmirror/elfutils

backends/loongarch_init.c
62 строки2 KB
Youling Tang
backends: Add core_note callback for LoongArch
10 апр 2023, 04:19
10 апр 2023, 04:192cf8483
/* Initialization of LoongArch specific backend library.
   Copyright (C) 2022 Hengqi Chen
   Copyright (C) 2023 OpenAnolis community LoongArch SIG.
   Copyright (C) 2023 Loongson Technology Corporation Limted.
   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		loongarch_
#define RELOC_PREFIX	R_LARCH_
#include "libebl_CPU.h"

/* This defines the common reloc hooks based on loongarch_reloc.def.  */
#include "common-reloc.c"


Ebl *
loongarch_init (Elf *elf __attribute__ ((unused)),
	        GElf_Half machine __attribute__ ((unused)),
	        Ebl *eh)
{
  loongarch_init_reloc (eh);
  HOOK (eh, reloc_simple_type);
  HOOK (eh, machine_flag_check);
  HOOK (eh, register_info);
  HOOK (eh, core_note);
  HOOK (eh, abi_cfi);
  /* gcc/config/ #define DWARF_FRAME_REGISTERS.  */
  eh->frame_nregs = 74;
  HOOK (eh, check_special_symbol);
  HOOK (eh, set_initial_registers_tid);
  HOOK (eh, return_value_location);
  HOOK (eh, unwind);

  return eh;
}