diff options
Diffstat (limited to 'bfd/elf32-tilegx.c')
| -rw-r--r-- | bfd/elf32-tilegx.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/bfd/elf32-tilegx.c b/bfd/elf32-tilegx.c new file mode 100644 index 00000000000..902e9baec17 --- /dev/null +++ b/bfd/elf32-tilegx.c @@ -0,0 +1,132 @@ +/* TILE-Gx-specific support for 32-bit ELF. + Copyright 2011 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 "elf32-tilegx.h" + + +/* Support for core dump NOTE sections. */ + +static bfd_boolean +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 bfd_boolean +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_LITTLE_SYM bfd_elf32_tilegx_vec +#define TARGET_LITTLE_NAME "elf32-tilegx" + +#define elf_backend_reloc_type_class tilegx_reloc_type_class + +#define bfd_elf32_bfd_reloc_name_lookup tilegx_reloc_name_lookup +#define bfd_elf32_bfd_link_hash_table_create tilegx_elf_link_hash_table_create +#define bfd_elf32_bfd_reloc_type_lookup tilegx_reloc_type_lookup +#define bfd_elf32_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_gc_sweep_hook tilegx_elf_gc_sweep_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 4 +#define elf_backend_rela_normal 1 +#define elf_backend_default_execstack 0 + +#include "elf32-target.h" |