1 /* Common definitions for backends based on IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001, 2002, 2004, 2005 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 2 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, MA 02110-1301, USA. */ 21 22 /* Internalcoff.h and coffcode.h modify themselves based on this flag. */ 23 #define RS6000COFF_C 1 24 25 #define SELECT_RELOC(internal, howto) \ 26 { \ 27 internal.r_type = howto->type; \ 28 internal.r_size = \ 29 ((howto->complain_on_overflow == complain_overflow_signed \ 30 ? 0x80 \ 31 : 0) \ 32 | (howto->bitsize - 1)); \ 33 } 34 35 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 3 36 37 #define COFF_LONG_FILENAMES 38 39 #define NO_COFF_SYMBOLS 40 41 #define RTYPE2HOWTO(cache_ptr, dst) _bfd_xcoff_rtype2howto (cache_ptr, dst) 42 43 #define coff_mkobject _bfd_xcoff_mkobject 44 #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data 45 #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name 46 #define coff_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 47 #define coff_bfd_reloc_type_lookup _bfd_xcoff_reloc_type_lookup 48 #define coff_relocate_section _bfd_ppc_xcoff_relocate_section 49 #define coff_core_file_failing_command _bfd_nocore_core_file_failing_command 50 #define coff_core_file_failing_signal _bfd_nocore_core_file_failing_signal 51 #define coff_core_file_matches_executable_p _bfd_nocore_core_file_matches_executable_p 52 #define _bfd_xcoff_bfd_get_relocated_section_contents coff_bfd_get_relocated_section_contents 53 #define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section 54 #define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections 55 #define _bfd_xcoff_bfd_merge_sections coff_bfd_merge_sections 56 #define _bfd_xcoff_bfd_discard_group bfd_generic_discard_group 57 #define _bfd_xcoff_section_already_linked _bfd_generic_section_already_linked 58 #define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section 59 60 #define CORE_FILE_P _bfd_dummy_target 61 62 #ifdef AIX_CORE 63 64 #undef CORE_FILE_P 65 #define CORE_FILE_P rs6000coff_core_p 66 extern const bfd_target * rs6000coff_core_p (bfd *); 67 extern bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *, bfd*); 68 69 #undef coff_core_file_matches_executable_p 70 #define coff_core_file_matches_executable_p \ 71 rs6000coff_core_file_matches_executable_p 72 73 extern char *rs6000coff_core_file_failing_command (bfd *); 74 #undef coff_core_file_failing_command 75 #define coff_core_file_failing_command rs6000coff_core_file_failing_command 76 77 extern int rs6000coff_core_file_failing_signal (bfd *); 78 #undef coff_core_file_failing_signal 79 #define coff_core_file_failing_signal rs6000coff_core_file_failing_signal 80 #endif /* AIX_CORE */ 81 82 #ifdef LYNX_CORE 83 84 #undef CORE_FILE_P 85 #define CORE_FILE_P lynx_core_file_p 86 extern const bfd_target *lynx_core_file_p (bfd *); 87 88 extern bfd_boolean lynx_core_file_matches_executable_p (bfd *, bfd *); 89 #undef coff_core_file_matches_executable_p 90 #define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p 91 92 extern char *lynx_core_file_failing_command (bfd *); 93 #undef coff_core_file_failing_command 94 #define coff_core_file_failing_command lynx_core_file_failing_command 95 96 extern int lynx_core_file_failing_signal (bfd *); 97 #undef coff_core_file_failing_signal 98 #define coff_core_file_failing_signal lynx_core_file_failing_signal 99 100 #endif /* LYNX_CORE */ 101 102 /* XCOFF archives do not have anything which corresponds to an 103 extended name table. */ 104 105 #define _bfd_xcoff_slurp_extended_name_table bfd_false 106 #define _bfd_xcoff_construct_extended_name_table \ 107 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false) 108 #define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname 109 110 /* We can use the standard get_elt_at_index routine. */ 111 112 #define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index 113 114 /* XCOFF archives do not have a timestamp. */ 115 116 #define _bfd_xcoff_update_armap_timestamp bfd_true 117 118 extern bfd_boolean _bfd_xcoff_mkobject (bfd *); 119 extern bfd_boolean _bfd_xcoff_copy_private_bfd_data (bfd *, bfd *); 120 extern bfd_boolean _bfd_xcoff_is_local_label_name (bfd *, const char *); 121 extern void _bfd_xcoff_rtype2howto (arelent *, struct internal_reloc *); 122 extern bfd_boolean _bfd_xcoff_slurp_armap (bfd *); 123 extern void * _bfd_xcoff_read_ar_hdr (bfd *); 124 extern bfd * _bfd_xcoff_openr_next_archived_file (bfd *, bfd *); 125 extern int _bfd_xcoff_generic_stat_arch_elt (bfd *, struct stat *); 126 extern bfd_boolean _bfd_xcoff_write_armap (bfd *, unsigned int, struct orl *, unsigned int, int); 127 extern bfd_boolean _bfd_xcoff_write_archive_contents (bfd *); 128 extern int _bfd_xcoff_sizeof_headers (bfd *, bfd_boolean); 129 extern void _bfd_xcoff_swap_sym_in (bfd *, void *, void *); 130 extern unsigned int _bfd_xcoff_swap_sym_out (bfd *, void *, void *); 131 extern void _bfd_xcoff_swap_aux_in (bfd *, void *, int, int, int, int, void *); 132 extern unsigned int _bfd_xcoff_swap_aux_out (bfd *, void *, int, int, int, int, void *); 133 extern reloc_howto_type * _bfd_xcoff_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); 134 extern const bfd_target * _bfd_xcoff_archive_p (bfd *); 135 136 #ifndef coff_SWAP_sym_in 137 #define coff_SWAP_sym_in _bfd_xcoff_swap_sym_in 138 #define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out 139 #define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in 140 #define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out 141 #endif 142 143 #include "coffcode.h" 144 145 /* The transfer vector that leads the outside world to all of the above. */ 146 147 const bfd_target TARGET_SYM = 148 { 149 TARGET_NAME, 150 bfd_target_xcoff_flavour, 151 BFD_ENDIAN_BIG, /* Data byte order is big. */ 152 BFD_ENDIAN_BIG, /* Header byte order is big. */ 153 154 (HAS_RELOC | EXEC_P | /* Object flags. */ 155 HAS_LINENO | HAS_DEBUG | DYNAMIC | 156 HAS_SYMS | HAS_LOCALS | WP_TEXT), 157 158 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ 159 0, /* Leading char. */ 160 '/', /* AR_pad_char. */ 161 15, /* AR_max_namelen??? FIXME. */ 162 163 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 164 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 165 bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Data. */ 166 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 167 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 168 bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Headers. */ 169 170 {_bfd_dummy_target, coff_object_p, /* bfd_check_format. */ 171 _bfd_xcoff_archive_p, CORE_FILE_P}, 172 {bfd_false, coff_mkobject, /* bfd_set_format. */ 173 _bfd_generic_mkarchive, bfd_false}, 174 {bfd_false, coff_write_object_contents, /* bfd_write_contents. */ 175 _bfd_xcoff_write_archive_contents, bfd_false}, 176 177 BFD_JUMP_TABLE_GENERIC (coff), 178 BFD_JUMP_TABLE_COPY (coff), 179 BFD_JUMP_TABLE_CORE (coff), 180 BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff), 181 BFD_JUMP_TABLE_SYMBOLS (coff), 182 BFD_JUMP_TABLE_RELOCS (coff), 183 BFD_JUMP_TABLE_WRITE (coff), 184 BFD_JUMP_TABLE_LINK (_bfd_xcoff), 185 BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff), 186 187 NULL, 188 189 COFF_SWAP_TABLE 190 }; 191