1 /* Common definitions for backends based on IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2009 3 Free Software Foundation, Inc. 4 Contributed by Cygnus Support. 5 6 This file is part of BFD, the Binary File Descriptor library. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 24 /* Internalcoff.h and coffcode.h modify themselves based on this flag. */ 25 #define RS6000COFF_C 1 26 27 #define SELECT_RELOC(internal, howto) \ 28 { \ 29 internal.r_type = howto->type; \ 30 internal.r_size = \ 31 ((howto->complain_on_overflow == complain_overflow_signed \ 32 ? 0x80 \ 33 : 0) \ 34 | (howto->bitsize - 1)); \ 35 } 36 37 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 3 38 39 #define COFF_LONG_FILENAMES 40 41 #define NO_COFF_SYMBOLS 42 43 #define RTYPE2HOWTO(cache_ptr, dst) _bfd_xcoff_rtype2howto (cache_ptr, dst) 44 45 #define coff_mkobject _bfd_xcoff_mkobject 46 #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data 47 #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name 48 #define coff_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 49 #define coff_bfd_reloc_type_lookup _bfd_xcoff_reloc_type_lookup 50 #define coff_relocate_section _bfd_ppc_xcoff_relocate_section 51 #define coff_core_file_failing_command _bfd_nocore_core_file_failing_command 52 #define coff_core_file_failing_signal _bfd_nocore_core_file_failing_signal 53 #define coff_core_file_matches_executable_p _bfd_nocore_core_file_matches_executable_p 54 #define coff_core_file_pid _bfd_nocore_core_file_pid 55 #define _bfd_xcoff_bfd_get_relocated_section_contents coff_bfd_get_relocated_section_contents 56 #define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section 57 #define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections 58 #define _bfd_xcoff_bfd_merge_sections coff_bfd_merge_sections 59 #define _bfd_xcoff_bfd_discard_group bfd_generic_discard_group 60 #define _bfd_xcoff_section_already_linked _bfd_generic_section_already_linked 61 #define _bfd_xcoff_bfd_define_common_symbol _bfd_xcoff_define_common_symbol 62 #define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section 63 64 #define CORE_FILE_P _bfd_dummy_target 65 66 #ifdef AIX_CORE 67 68 #undef CORE_FILE_P 69 #define CORE_FILE_P rs6000coff_core_p 70 extern const bfd_target * rs6000coff_core_p (bfd *); 71 extern bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *, bfd*); 72 73 #undef coff_core_file_matches_executable_p 74 #define coff_core_file_matches_executable_p \ 75 rs6000coff_core_file_matches_executable_p 76 77 extern char *rs6000coff_core_file_failing_command (bfd *); 78 #undef coff_core_file_failing_command 79 #define coff_core_file_failing_command rs6000coff_core_file_failing_command 80 81 extern int rs6000coff_core_file_failing_signal (bfd *); 82 #undef coff_core_file_failing_signal 83 #define coff_core_file_failing_signal rs6000coff_core_file_failing_signal 84 #endif /* AIX_CORE */ 85 86 #ifdef LYNX_CORE 87 88 #undef CORE_FILE_P 89 #define CORE_FILE_P lynx_core_file_p 90 extern const bfd_target *lynx_core_file_p (bfd *); 91 92 extern bfd_boolean lynx_core_file_matches_executable_p (bfd *, bfd *); 93 #undef coff_core_file_matches_executable_p 94 #define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p 95 96 extern char *lynx_core_file_failing_command (bfd *); 97 #undef coff_core_file_failing_command 98 #define coff_core_file_failing_command lynx_core_file_failing_command 99 100 extern int lynx_core_file_failing_signal (bfd *); 101 #undef coff_core_file_failing_signal 102 #define coff_core_file_failing_signal lynx_core_file_failing_signal 103 104 #endif /* LYNX_CORE */ 105 106 /* XCOFF archives do not have anything which corresponds to an 107 extended name table. */ 108 109 #define _bfd_xcoff_slurp_extended_name_table bfd_false 110 #define _bfd_xcoff_construct_extended_name_table \ 111 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false) 112 #define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname 113 114 /* We can use the standard get_elt_at_index routine. */ 115 116 #define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index 117 118 /* XCOFF archives do not have a timestamp. */ 119 120 #define _bfd_xcoff_update_armap_timestamp bfd_true 121 122 extern bfd_boolean _bfd_xcoff_mkobject (bfd *); 123 extern bfd_boolean _bfd_xcoff_copy_private_bfd_data (bfd *, bfd *); 124 extern bfd_boolean _bfd_xcoff_is_local_label_name (bfd *, const char *); 125 extern void _bfd_xcoff_rtype2howto (arelent *, struct internal_reloc *); 126 extern bfd_boolean _bfd_xcoff_slurp_armap (bfd *); 127 extern void * _bfd_xcoff_read_ar_hdr (bfd *); 128 extern bfd * _bfd_xcoff_openr_next_archived_file (bfd *, bfd *); 129 extern int _bfd_xcoff_generic_stat_arch_elt (bfd *, struct stat *); 130 extern bfd_boolean _bfd_xcoff_write_armap (bfd *, unsigned int, struct orl *, unsigned int, int); 131 extern bfd_boolean _bfd_xcoff_write_archive_contents (bfd *); 132 extern int _bfd_xcoff_sizeof_headers (bfd *, struct bfd_link_info *); 133 extern void _bfd_xcoff_swap_sym_in (bfd *, void *, void *); 134 extern unsigned int _bfd_xcoff_swap_sym_out (bfd *, void *, void *); 135 extern void _bfd_xcoff_swap_aux_in (bfd *, void *, int, int, int, int, void *); 136 extern unsigned int _bfd_xcoff_swap_aux_out (bfd *, void *, int, int, int, int, void *); 137 extern reloc_howto_type * _bfd_xcoff_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); 138 extern const bfd_target * _bfd_xcoff_archive_p (bfd *); 139 140 #ifndef coff_SWAP_sym_in 141 #define coff_SWAP_sym_in _bfd_xcoff_swap_sym_in 142 #define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out 143 #define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in 144 #define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out 145 #endif 146 147 #include "coffcode.h" 148 149 /* The transfer vector that leads the outside world to all of the above. */ 150 151 const bfd_target TARGET_SYM = 152 { 153 TARGET_NAME, 154 bfd_target_xcoff_flavour, 155 BFD_ENDIAN_BIG, /* Data byte order is big. */ 156 BFD_ENDIAN_BIG, /* Header byte order is big. */ 157 158 (HAS_RELOC | EXEC_P | /* Object flags. */ 159 HAS_LINENO | HAS_DEBUG | DYNAMIC | 160 HAS_SYMS | HAS_LOCALS | WP_TEXT), 161 162 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ 163 0, /* Leading char. */ 164 '/', /* AR_pad_char. */ 165 15, /* AR_max_namelen??? FIXME. */ 166 167 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 168 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 169 bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Data. */ 170 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 171 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 172 bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Headers. */ 173 174 {_bfd_dummy_target, coff_object_p, /* bfd_check_format. */ 175 _bfd_xcoff_archive_p, CORE_FILE_P}, 176 {bfd_false, coff_mkobject, /* bfd_set_format. */ 177 _bfd_generic_mkarchive, bfd_false}, 178 {bfd_false, coff_write_object_contents, /* bfd_write_contents. */ 179 _bfd_xcoff_write_archive_contents, bfd_false}, 180 181 BFD_JUMP_TABLE_GENERIC (coff), 182 BFD_JUMP_TABLE_COPY (coff), 183 BFD_JUMP_TABLE_CORE (coff), 184 BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff), 185 BFD_JUMP_TABLE_SYMBOLS (coff), 186 BFD_JUMP_TABLE_RELOCS (coff), 187 BFD_JUMP_TABLE_WRITE (coff), 188 BFD_JUMP_TABLE_LINK (_bfd_xcoff), 189 BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff), 190 191 NULL, 192 193 COFF_SWAP_TABLE 194 }; 195