bfd/elfxx-aarch64.h

   1 /* AArch64-specific backend routines.
   2    Copyright (C) 2009-2019 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 /* Take the PAGE component of an address or offset.  */
  22 #define PG(x)        ((x) & ~ (bfd_vma) 0xfff)
  23 #define PG_OFFSET(x) ((x) &   (bfd_vma) 0xfff)
  24
  25 #define AARCH64_ADR_OP          0x10000000
  26 #define AARCH64_ADRP_OP         0x90000000
  27 #define AARCH64_ADRP_OP_MASK    0x9F000000
  28
  29 extern bfd_signed_vma
  30 _bfd_aarch64_sign_extend (bfd_vma, int);
  31
  32 extern uint32_t
  33 _bfd_aarch64_decode_adrp_imm (uint32_t);
  34
  35 extern uint32_t
  36 _bfd_aarch64_reencode_adr_imm (uint32_t, uint32_t);
  37
  38 extern bfd_reloc_status_type
  39 _bfd_aarch64_elf_put_addend (bfd *, bfd_byte *, bfd_reloc_code_real_type,
  40                              reloc_howto_type *, bfd_signed_vma);
  41
  42 extern bfd_vma
  43 _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type, bfd_vma, bfd_vma,
  44                                      bfd_vma, bfd_boolean);
  45
  46 extern bfd_boolean
  47 _bfd_aarch64_elf_grok_prstatus (bfd *, Elf_Internal_Note *);
  48
  49 extern bfd_boolean
  50 _bfd_aarch64_elf_grok_psinfo (bfd *, Elf_Internal_Note *);
  51
  52 extern char *
  53 _bfd_aarch64_elf_write_core_note (bfd *, char *, int *, int, ...);
  54
  55 #define elf_backend_grok_prstatus       _bfd_aarch64_elf_grok_prstatus
  56 #define elf_backend_grok_psinfo         _bfd_aarch64_elf_grok_psinfo
  57 #define elf_backend_write_core_note     _bfd_aarch64_elf_write_core_note
  58
  59 extern bfd *
  60 _bfd_aarch64_elf_link_setup_gnu_properties (struct bfd_link_info *,
  61                                             uint32_t *);
  62
  63 extern enum elf_property_kind
  64 _bfd_aarch64_elf_parse_gnu_properties (bfd *, unsigned int,
  65                                        bfd_byte *, unsigned int);
  66
  67 extern bfd_boolean
  68 _bfd_aarch64_elf_merge_gnu_properties (struct bfd_link_info *, bfd *,
  69                                        elf_property *, elf_property *,
  70                                        uint32_t);
  71
  72 extern void
  73 _bfd_aarch64_elf_link_fixup_gnu_properties (struct bfd_link_info *,
  74                                             elf_property_list **);
  75
  76 #define elf_backend_parse_gnu_properties        \
  77   _bfd_aarch64_elf_parse_gnu_properties
  78
  79 #define elf_backend_fixup_gnu_properties        \
  80   _bfd_aarch64_elf_link_fixup_gnu_properties