Projet_SETI_RISC-V/riscv-gnu-toolchain/gdb/bfd/elf64-tilegx.c

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2023-03-06 14:48:14 +01:00
/* TILE-Gx-specific support for 64-bit ELF.
Copyright (C) 2011-2022 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_size_dynamic_sections tilegx_elf_size_dynamic_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"