1 /* Generic support for 64-bit ELF 2 Copyright (C) 1993-2020 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 #include "sysdep.h" 22 #include "bfd.h" 23 #include "libbfd.h" 24 #include "elf-bfd.h" 25 26 /* This does not include any relocation information, but should be 27 good enough for GDB or objdump to read the file. */ 28 29 static reloc_howto_type dummy = 30 HOWTO (0, /* type */ 31 0, /* rightshift */ 32 0, /* size (0 = byte, 1 = short, 2 = long) */ 33 0, /* bitsize */ 34 FALSE, /* pc_relative */ 35 0, /* bitpos */ 36 complain_overflow_dont, /* complain_on_overflow */ 37 NULL, /* special_function */ 38 "UNKNOWN", /* name */ 39 FALSE, /* partial_inplace */ 40 0, /* src_mask */ 41 0, /* dst_mask */ 42 FALSE); /* pcrel_offset */ 43 44 static bfd_boolean 45 elf_generic_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, 46 arelent *bfd_reloc, 47 Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED) 48 { 49 bfd_reloc->howto = &dummy; 50 return TRUE; 51 } 52 53 static bfd_boolean 54 elf_generic_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, 55 arelent *bfd_reloc, 56 Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED) 57 { 58 bfd_reloc->howto = &dummy; 59 return TRUE; 60 } 61 62 static void 63 check_for_relocs (bfd * abfd, asection * o, void * failed) 64 { 65 if ((o->flags & SEC_RELOC) != 0) 66 { 67 Elf_Internal_Ehdr *ehdrp; 68 69 ehdrp = elf_elfheader (abfd); 70 /* xgettext:c-format */ 71 _bfd_error_handler (_("%pB: Relocations in generic ELF (EM: %d)"), 72 abfd, ehdrp->e_machine); 73 74 bfd_set_error (bfd_error_wrong_format); 75 * (bfd_boolean *) failed = TRUE; 76 } 77 } 78 79 static bfd_boolean 80 elf64_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info) 81 { 82 bfd_boolean failed = FALSE; 83 84 /* Check if there are any relocations. */ 85 bfd_map_over_sections (abfd, check_for_relocs, & failed); 86 87 if (failed) 88 return FALSE; 89 return bfd_elf_link_add_symbols (abfd, info); 90 } 91 92 #define TARGET_LITTLE_SYM elf64_le_vec 93 #define TARGET_LITTLE_NAME "elf64-little" 94 #define TARGET_BIG_SYM elf64_be_vec 95 #define TARGET_BIG_NAME "elf64-big" 96 #define ELF_ARCH bfd_arch_unknown 97 #define ELF_MACHINE_CODE EM_NONE 98 #define ELF_MAXPAGESIZE 0x1 99 #define bfd_elf64_bfd_reloc_type_lookup bfd_default_reloc_type_lookup 100 #define bfd_elf64_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup 101 #define bfd_elf64_bfd_link_add_symbols elf64_generic_link_add_symbols 102 #define elf_info_to_howto elf_generic_info_to_howto 103 #define elf_info_to_howto_rel elf_generic_info_to_howto_rel 104 105 #include "elf64-target.h" 106