| /* TILE-Gx-specific support for 64-bit ELF. |
| Copyright (C) 2011-2024 Free Software Foundation, Inc. |
| |
| This file is part of BFD, the Binary File Descriptor library. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #include "sysdep.h" |
| #include "bfd.h" |
| #include "libbfd.h" |
| #include "elf-bfd.h" |
| #include "elfxx-tilegx.h" |
| #include "elf64-tilegx.h" |
| |
| |
| /* Support for core dump NOTE sections. */ |
| |
| static bool |
| tilegx_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
| { |
| int offset; |
| size_t size; |
| |
| if (note->descsz != TILEGX_PRSTATUS_SIZEOF) |
| return false; |
| |
| /* pr_cursig */ |
| elf_tdata (abfd)->core->signal = |
| bfd_get_16 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_CURSIG); |
| |
| /* pr_pid */ |
| elf_tdata (abfd)->core->pid = |
| bfd_get_32 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_PID); |
| |
| /* pr_reg */ |
| offset = TILEGX_PRSTATUS_OFFSET_PR_REG; |
| size = TILEGX_GREGSET_T_SIZE; |
| |
| /* Make a ".reg/999" section. */ |
| return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
| size, note->descpos + offset); |
| } |
| |
| static bool |
| tilegx_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
| { |
| if (note->descsz != TILEGX_PRPSINFO_SIZEOF) |
| return false; |
| |
| elf_tdata (abfd)->core->program |
| = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_FNAME, 16); |
| elf_tdata (abfd)->core->command |
| = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_PSARGS, ELF_PR_PSARGS_SIZE); |
| |
| |
| /* Note that for some reason, a spurious space is tacked |
| onto the end of the args in some (at least one anyway) |
| implementations, so strip it off if it exists. */ |
| { |
| char *command = elf_tdata (abfd)->core->command; |
| int n = strlen (command); |
| |
| if (0 < n && command[n - 1] == ' ') |
| command[n - 1] = '\0'; |
| } |
| |
| return true; |
| } |
| |
| |
| #define ELF_ARCH bfd_arch_tilegx |
| #define ELF_TARGET_ID TILEGX_ELF_DATA |
| #define ELF_MACHINE_CODE EM_TILEGX |
| #define ELF_MAXPAGESIZE 0x10000 |
| #define ELF_COMMONPAGESIZE 0x10000 |
| |
| |
| #define TARGET_BIG_SYM tilegx_elf64_be_vec |
| #define TARGET_BIG_NAME "elf64-tilegx-be" |
| #define TARGET_LITTLE_SYM tilegx_elf64_le_vec |
| #define TARGET_LITTLE_NAME "elf64-tilegx-le" |
| |
| #define elf_backend_reloc_type_class tilegx_reloc_type_class |
| |
| #define bfd_elf64_bfd_reloc_name_lookup tilegx_reloc_name_lookup |
| #define bfd_elf64_bfd_link_hash_table_create tilegx_elf_link_hash_table_create |
| #define bfd_elf64_bfd_reloc_type_lookup tilegx_reloc_type_lookup |
| #define bfd_elf64_bfd_merge_private_bfd_data \ |
| _bfd_tilegx_elf_merge_private_bfd_data |
| |
| #define elf_backend_copy_indirect_symbol tilegx_elf_copy_indirect_symbol |
| #define elf_backend_create_dynamic_sections tilegx_elf_create_dynamic_sections |
| #define elf_backend_check_relocs tilegx_elf_check_relocs |
| #define elf_backend_adjust_dynamic_symbol tilegx_elf_adjust_dynamic_symbol |
| #define elf_backend_omit_section_dynsym tilegx_elf_omit_section_dynsym |
| #define elf_backend_late_size_sections tilegx_elf_late_size_sections |
| #define elf_backend_relocate_section tilegx_elf_relocate_section |
| #define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol |
| #define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections |
| #define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook |
| #define elf_backend_plt_sym_val tilegx_elf_plt_sym_val |
| #define elf_info_to_howto_rel NULL |
| #define elf_info_to_howto tilegx_info_to_howto_rela |
| #define elf_backend_grok_prstatus tilegx_elf_grok_prstatus |
| #define elf_backend_grok_psinfo tilegx_elf_grok_psinfo |
| #define elf_backend_additional_program_headers tilegx_additional_program_headers |
| |
| #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
| |
| #define elf_backend_can_gc_sections 1 |
| #define elf_backend_can_refcount 1 |
| #define elf_backend_want_got_plt 1 |
| #define elf_backend_plt_readonly 1 |
| /* Align PLT mod 64 byte L2 line size. */ |
| #define elf_backend_plt_alignment 6 |
| #define elf_backend_want_plt_sym 1 |
| #define elf_backend_got_header_size 8 |
| #define elf_backend_want_dynrelro 1 |
| #define elf_backend_rela_normal 1 |
| #define elf_backend_default_execstack 0 |
| |
| #include "elf64-target.h" |