| 1 | /* TILE-Gx-specific support for 64-bit ELF. |
| 2 | Copyright (C) 2011-2017 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 | #include "elfxx-tilegx.h" |
| 26 | #include "elf64-tilegx.h" |
| 27 | |
| 28 | |
| 29 | /* Support for core dump NOTE sections. */ |
| 30 | |
| 31 | static bfd_boolean |
| 32 | tilegx_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
| 33 | { |
| 34 | int offset; |
| 35 | size_t size; |
| 36 | |
| 37 | if (note->descsz != TILEGX_PRSTATUS_SIZEOF) |
| 38 | return FALSE; |
| 39 | |
| 40 | /* pr_cursig */ |
| 41 | elf_tdata (abfd)->core->signal = |
| 42 | bfd_get_16 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_CURSIG); |
| 43 | |
| 44 | /* pr_pid */ |
| 45 | elf_tdata (abfd)->core->pid = |
| 46 | bfd_get_32 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_PID); |
| 47 | |
| 48 | /* pr_reg */ |
| 49 | offset = TILEGX_PRSTATUS_OFFSET_PR_REG; |
| 50 | size = TILEGX_GREGSET_T_SIZE; |
| 51 | |
| 52 | /* Make a ".reg/999" section. */ |
| 53 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
| 54 | size, note->descpos + offset); |
| 55 | } |
| 56 | |
| 57 | static bfd_boolean |
| 58 | tilegx_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
| 59 | { |
| 60 | if (note->descsz != TILEGX_PRPSINFO_SIZEOF) |
| 61 | return FALSE; |
| 62 | |
| 63 | elf_tdata (abfd)->core->program |
| 64 | = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_FNAME, 16); |
| 65 | elf_tdata (abfd)->core->command |
| 66 | = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_PSARGS, ELF_PR_PSARGS_SIZE); |
| 67 | |
| 68 | |
| 69 | /* Note that for some reason, a spurious space is tacked |
| 70 | onto the end of the args in some (at least one anyway) |
| 71 | implementations, so strip it off if it exists. */ |
| 72 | { |
| 73 | char *command = elf_tdata (abfd)->core->command; |
| 74 | int n = strlen (command); |
| 75 | |
| 76 | if (0 < n && command[n - 1] == ' ') |
| 77 | command[n - 1] = '\0'; |
| 78 | } |
| 79 | |
| 80 | return TRUE; |
| 81 | } |
| 82 | |
| 83 | |
| 84 | #define ELF_ARCH bfd_arch_tilegx |
| 85 | #define ELF_TARGET_ID TILEGX_ELF_DATA |
| 86 | #define ELF_MACHINE_CODE EM_TILEGX |
| 87 | #define ELF_MAXPAGESIZE 0x10000 |
| 88 | #define ELF_COMMONPAGESIZE 0x10000 |
| 89 | |
| 90 | |
| 91 | #define TARGET_BIG_SYM tilegx_elf64_be_vec |
| 92 | #define TARGET_BIG_NAME "elf64-tilegx-be" |
| 93 | #define TARGET_LITTLE_SYM tilegx_elf64_le_vec |
| 94 | #define TARGET_LITTLE_NAME "elf64-tilegx-le" |
| 95 | |
| 96 | #define elf_backend_reloc_type_class tilegx_reloc_type_class |
| 97 | |
| 98 | #define bfd_elf64_bfd_reloc_name_lookup tilegx_reloc_name_lookup |
| 99 | #define bfd_elf64_bfd_link_hash_table_create tilegx_elf_link_hash_table_create |
| 100 | #define bfd_elf64_bfd_reloc_type_lookup tilegx_reloc_type_lookup |
| 101 | #define bfd_elf64_bfd_merge_private_bfd_data \ |
| 102 | _bfd_tilegx_elf_merge_private_bfd_data |
| 103 | |
| 104 | #define elf_backend_copy_indirect_symbol tilegx_elf_copy_indirect_symbol |
| 105 | #define elf_backend_create_dynamic_sections tilegx_elf_create_dynamic_sections |
| 106 | #define elf_backend_check_relocs tilegx_elf_check_relocs |
| 107 | #define elf_backend_adjust_dynamic_symbol tilegx_elf_adjust_dynamic_symbol |
| 108 | #define elf_backend_omit_section_dynsym tilegx_elf_omit_section_dynsym |
| 109 | #define elf_backend_size_dynamic_sections tilegx_elf_size_dynamic_sections |
| 110 | #define elf_backend_relocate_section tilegx_elf_relocate_section |
| 111 | #define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol |
| 112 | #define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections |
| 113 | #define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook |
| 114 | #define elf_backend_gc_sweep_hook tilegx_elf_gc_sweep_hook |
| 115 | #define elf_backend_plt_sym_val tilegx_elf_plt_sym_val |
| 116 | #define elf_info_to_howto_rel NULL |
| 117 | #define elf_info_to_howto tilegx_info_to_howto_rela |
| 118 | #define elf_backend_grok_prstatus tilegx_elf_grok_prstatus |
| 119 | #define elf_backend_grok_psinfo tilegx_elf_grok_psinfo |
| 120 | #define elf_backend_additional_program_headers tilegx_additional_program_headers |
| 121 | |
| 122 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
| 123 | |
| 124 | #define elf_backend_can_gc_sections 1 |
| 125 | #define elf_backend_can_refcount 1 |
| 126 | #define elf_backend_want_got_plt 1 |
| 127 | #define elf_backend_plt_readonly 1 |
| 128 | /* Align PLT mod 64 byte L2 line size. */ |
| 129 | #define elf_backend_plt_alignment 6 |
| 130 | #define elf_backend_want_plt_sym 1 |
| 131 | #define elf_backend_got_header_size 8 |
| 132 | #define elf_backend_want_dynrelro 1 |
| 133 | #define elf_backend_rela_normal 1 |
| 134 | #define elf_backend_default_execstack 0 |
| 135 | |
| 136 | #include "elf64-target.h" |