1 /* AArch64-specific backend routines. 2 Copyright (C) 2009-2016 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 68
