bfd/elfxx-aarch64.h

   1 /* AArch64-specific backend routines.
   2    Copyright (C) 2009-2017 Free Software Foundation, Inc.
   3    Contributed by ARM Ltd.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; see the file COPYING3. If not,
  19    see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "bfd.h"
  22 #include "elf-bfd.h"
  23 #include "stdint.h"
  24
  25 /* Take the PAGE component of an address or offset.  */
  26 #define PG(x)        ((x) & ~ (bfd_vma) 0xfff)
  27 #define PG_OFFSET(x) ((x) &   (bfd_vma) 0xfff)
  28
  29 #define AARCH64_ADR_OP          0x10000000
  30 #define AARCH64_ADRP_OP         0x90000000
  31 #define AARCH64_ADRP_OP_MASK    0x9F000000
  32
  33 extern bfd_signed_vma
  34 _bfd_aarch64_sign_extend (bfd_vma, int);
  35
  36 extern uint32_t
  37 _bfd_aarch64_decode_adrp_imm (uint32_t);
  38
  39 extern uint32_t
  40 _bfd_aarch64_reencode_adr_imm (uint32_t, uint32_t);
  41
  42 extern bfd_reloc_status_type
  43 _bfd_aarch64_elf_put_addend (bfd *, bfd_byte *, bfd_reloc_code_real_type,
  44                              reloc_howto_type *, bfd_signed_vma);
  45
  46 extern bfd_vma
  47 _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type, bfd_vma, bfd_vma,
  48                                      bfd_vma, bfd_boolean);
  49
  50 extern bfd_boolean
  51 _bfd_aarch64_elf_add_symbol_hook (bfd *, struct bfd_link_info *,
  52                                   Elf_Internal_Sym *, const char **,
  53                                   flagword *, asection **, bfd_vma *);
  54
  55 extern bfd_boolean
  56 _bfd_aarch64_elf_grok_prstatus (bfd *, Elf_Internal_Note *);
  57
  58 extern bfd_boolean
  59 _bfd_aarch64_elf_grok_psinfo (bfd *, Elf_Internal_Note *);
  60
  61 extern char *
  62 _bfd_aarch64_elf_write_core_note (bfd *, char *, int *, int, ...);
  63
  64 #define elf_backend_add_symbol_hook     _bfd_aarch64_elf_add_symbol_hook
  65 #define elf_backend_grok_prstatus       _bfd_aarch64_elf_grok_prstatus
  66 #define elf_backend_grok_psinfo         _bfd_aarch64_elf_grok_psinfo
  67 #define elf_backend_write_core_note     _bfd_aarch64_elf_write_core_note