1 /* TILE-Gx-specific support for 32-bit ELF. 2 Copyright (C) 2011-2016 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 "elf32-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 #define TARGET_BIG_SYM tilegx_elf32_be_vec 91 #define TARGET_BIG_NAME "elf32-tilegx-be" 92 #define TARGET_LITTLE_SYM tilegx_elf32_le_vec 93 #define TARGET_LITTLE_NAME "elf32-tilegx-le" 94 95 #define elf_backend_reloc_type_class tilegx_reloc_type_class 96 97 #define bfd_elf32_bfd_reloc_name_lookup tilegx_reloc_name_lookup 98 #define bfd_elf32_bfd_link_hash_table_create tilegx_elf_link_hash_table_create 99 #define bfd_elf32_bfd_reloc_type_lookup tilegx_reloc_type_lookup 100 #define bfd_elf32_bfd_merge_private_bfd_data \ 101 _bfd_tilegx_elf_merge_private_bfd_data 102 103 #define elf_backend_copy_indirect_symbol tilegx_elf_copy_indirect_symbol 104 #define elf_backend_create_dynamic_sections tilegx_elf_create_dynamic_sections 105 #define elf_backend_check_relocs tilegx_elf_check_relocs 106 #define elf_backend_adjust_dynamic_symbol tilegx_elf_adjust_dynamic_symbol 107 #define elf_backend_omit_section_dynsym tilegx_elf_omit_section_dynsym 108 #define elf_backend_size_dynamic_sections tilegx_elf_size_dynamic_sections 109 #define elf_backend_relocate_section tilegx_elf_relocate_section 110 #define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol 111 #define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections 112 #define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook 113 #define elf_backend_gc_sweep_hook tilegx_elf_gc_sweep_hook 114 #define elf_backend_plt_sym_val tilegx_elf_plt_sym_val 115 #define elf_info_to_howto_rel NULL 116 #define elf_info_to_howto tilegx_info_to_howto_rela 117 #define elf_backend_grok_prstatus tilegx_elf_grok_prstatus 118 #define elf_backend_grok_psinfo tilegx_elf_grok_psinfo 119 #define elf_backend_additional_program_headers tilegx_additional_program_headers 120 121 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 122 123 #define elf_backend_can_gc_sections 1 124 #define elf_backend_can_refcount 1 125 #define elf_backend_want_got_plt 1 126 #define elf_backend_plt_readonly 1 127 /* Align PLT mod 64 byte L2 line size. */ 128 #define elf_backend_plt_alignment 6 129 #define elf_backend_want_plt_sym 1 130 #define elf_backend_got_header_size 4 131 #define elf_backend_rela_normal 1 132 #define elf_backend_default_execstack 0 133 134 #include "elf32-target.h" 135
