| 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 |