138465Smsmith/* TILE-Gx-specific support for 32-bit ELF. 238465Smsmith Copyright (C) 2011-2017 Free Software Foundation, Inc. 338465Smsmith 438465Smsmith This file is part of BFD, the Binary File Descriptor library. 538465Smsmith 638465Smsmith This program is free software; you can redistribute it and/or modify 738465Smsmith it under the terms of the GNU General Public License as published by 838465Smsmith the Free Software Foundation; either version 3 of the License, or 938465Smsmith (at your option) any later version. 1038465Smsmith 1138465Smsmith This program is distributed in the hope that it will be useful, 1238465Smsmith but WITHOUT ANY WARRANTY; without even the implied warranty of 1338465Smsmith MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1438465Smsmith GNU General Public License for more details. 1538465Smsmith 1638465Smsmith You should have received a copy of the GNU General Public License 1738465Smsmith along with this program; if not, write to the Free Software 1838465Smsmith Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 1938465Smsmith MA 02110-1301, USA. */ 2038465Smsmith 2138465Smsmith#include "sysdep.h" 2238465Smsmith#include "bfd.h" 2338465Smsmith#include "libbfd.h" 2438465Smsmith#include "elf-bfd.h" 2538465Smsmith#include "elfxx-tilegx.h" 2638764Smsmith#include "elf32-tilegx.h" 2738465Smsmith 2838465Smsmith 2938465Smsmith/* Support for core dump NOTE sections. */ 3038465Smsmith 3138465Smsmithstatic bfd_boolean 3238465Smsmithtilegx_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 3338465Smsmith{ 3438465Smsmith int offset; 3538465Smsmith size_t size; 3638465Smsmith 3738465Smsmith if (note->descsz != TILEGX_PRSTATUS_SIZEOF) 3838465Smsmith return FALSE; 3938465Smsmith 4038465Smsmith /* pr_cursig */ 4138465Smsmith elf_tdata (abfd)->core->signal = 4238465Smsmith bfd_get_16 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_CURSIG); 4338465Smsmith 4438465Smsmith /* pr_pid */ 4538465Smsmith elf_tdata (abfd)->core->pid = 4638465Smsmith bfd_get_32 (abfd, note->descdata + TILEGX_PRSTATUS_OFFSET_PR_PID); 4738465Smsmith 4838465Smsmith /* pr_reg */ 4938465Smsmith offset = TILEGX_PRSTATUS_OFFSET_PR_REG; 5038465Smsmith size = TILEGX_GREGSET_T_SIZE; 5138465Smsmith 5238465Smsmith /* Make a ".reg/999" section. */ 5338465Smsmith return _bfd_elfcore_make_pseudosection (abfd, ".reg", 5438465Smsmith size, note->descpos + offset); 5538465Smsmith} 5638465Smsmith 5738465Smsmithstatic bfd_boolean 5838465Smsmithtilegx_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 5938465Smsmith{ 6038465Smsmith if (note->descsz != TILEGX_PRPSINFO_SIZEOF) 6138465Smsmith return FALSE; 6238465Smsmith 6338465Smsmith elf_tdata (abfd)->core->program 6438465Smsmith = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_FNAME, 16); 6538465Smsmith elf_tdata (abfd)->core->command 6638465Smsmith = _bfd_elfcore_strndup (abfd, note->descdata + TILEGX_PRPSINFO_OFFSET_PR_PSARGS, ELF_PR_PSARGS_SIZE); 6738465Smsmith 6838465Smsmith 6938465Smsmith /* Note that for some reason, a spurious space is tacked 7038465Smsmith onto the end of the args in some (at least one anyway) 7138465Smsmith implementations, so strip it off if it exists. */ 7238465Smsmith { 7338465Smsmith char *command = elf_tdata (abfd)->core->command; 7438465Smsmith int n = strlen (command); 7538465Smsmith 7638465Smsmith if (0 < n && command[n - 1] == ' ') 7738465Smsmith command[n - 1] = '\0'; 7838465Smsmith } 7938465Smsmith 8038465Smsmith return TRUE; 8138465Smsmith} 8238465Smsmith 8338465Smsmith 8438465Smsmith#define ELF_ARCH bfd_arch_tilegx 8538465Smsmith#define ELF_TARGET_ID TILEGX_ELF_DATA 8638465Smsmith#define ELF_MACHINE_CODE EM_TILEGX 8738465Smsmith#define ELF_MAXPAGESIZE 0x10000 8838465Smsmith#define ELF_COMMONPAGESIZE 0x10000 8938465Smsmith 9038465Smsmith#define TARGET_BIG_SYM tilegx_elf32_be_vec 9138465Smsmith#define TARGET_BIG_NAME "elf32-tilegx-be" 9238465Smsmith#define TARGET_LITTLE_SYM tilegx_elf32_le_vec 9338465Smsmith#define TARGET_LITTLE_NAME "elf32-tilegx-le" 9438465Smsmith 9538465Smsmith#define elf_backend_reloc_type_class tilegx_reloc_type_class 9638465Smsmith 9738465Smsmith#define bfd_elf32_bfd_reloc_name_lookup tilegx_reloc_name_lookup 9838465Smsmith#define bfd_elf32_bfd_link_hash_table_create tilegx_elf_link_hash_table_create 9938465Smsmith#define bfd_elf32_bfd_reloc_type_lookup tilegx_reloc_type_lookup 10038465Smsmith#define bfd_elf32_bfd_merge_private_bfd_data \ 10138465Smsmith _bfd_tilegx_elf_merge_private_bfd_data 10238465Smsmith 10338465Smsmith#define elf_backend_copy_indirect_symbol tilegx_elf_copy_indirect_symbol 10438465Smsmith#define elf_backend_create_dynamic_sections tilegx_elf_create_dynamic_sections 10538465Smsmith#define elf_backend_check_relocs tilegx_elf_check_relocs 10638465Smsmith#define elf_backend_adjust_dynamic_symbol tilegx_elf_adjust_dynamic_symbol 10738465Smsmith#define elf_backend_omit_section_dynsym tilegx_elf_omit_section_dynsym 10838465Smsmith#define elf_backend_size_dynamic_sections tilegx_elf_size_dynamic_sections 10938465Smsmith#define elf_backend_relocate_section tilegx_elf_relocate_section 11038465Smsmith#define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol 11138465Smsmith#define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections 11238465Smsmith#define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook 11338465Smsmith#define elf_backend_gc_sweep_hook tilegx_elf_gc_sweep_hook 11438465Smsmith#define elf_backend_plt_sym_val tilegx_elf_plt_sym_val 11538465Smsmith#define elf_info_to_howto_rel NULL 11638465Smsmith#define elf_info_to_howto tilegx_info_to_howto_rela 11738465Smsmith#define elf_backend_grok_prstatus tilegx_elf_grok_prstatus 11838465Smsmith#define elf_backend_grok_psinfo tilegx_elf_grok_psinfo 11938465Smsmith#define elf_backend_additional_program_headers tilegx_additional_program_headers 12038465Smsmith 12138465Smsmith#define elf_backend_init_index_section _bfd_elf_init_1_index_section 12238465Smsmith 12338465Smsmith#define elf_backend_can_gc_sections 1 12438465Smsmith#define elf_backend_can_refcount 1 12538465Smsmith#define elf_backend_want_got_plt 1 12638465Smsmith#define elf_backend_plt_readonly 1 12738465Smsmith/* Align PLT mod 64 byte L2 line size. */ 12838465Smsmith#define elf_backend_plt_alignment 6 12938465Smsmith#define elf_backend_want_plt_sym 1 13038465Smsmith#define elf_backend_got_header_size 4 13138465Smsmith#define elf_backend_want_dynrelro 1 13238465Smsmith#define elf_backend_rela_normal 1 13338465Smsmith#define elf_backend_default_execstack 0 13438465Smsmith 13538465Smsmith#include "elf32-target.h" 13638465Smsmith