| 1 | /* Common definitions for backends based on IBM RS/6000 "XCOFF64" files. |
| 2 | Copyright 2000, 2001, 2002, 2004, 2005, 2006, 2007 |
| 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 | \f |
| 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 _bfd_xcoff_bfd_get_relocated_section_contents coff_bfd_get_relocated_section_contents |
| 55 | #define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section |
| 56 | #define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections |
| 57 | #define _bfd_xcoff_bfd_merge_sections coff_bfd_merge_sections |
| 58 | #define _bfd_xcoff_bfd_discard_group bfd_generic_discard_group |
| 59 | #define _bfd_xcoff_section_already_linked _bfd_generic_section_already_linked |
| 60 | #define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section |
| 61 | |
| 62 | #define CORE_FILE_P _bfd_dummy_target |
| 63 | |
| 64 | #ifdef AIX_CORE |
| 65 | |
| 66 | #undef CORE_FILE_P |
| 67 | #define CORE_FILE_P rs6000coff_core_p |
| 68 | extern const bfd_target * rs6000coff_core_p (bfd *); |
| 69 | extern bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *, bfd*); |
| 70 | |
| 71 | #undef coff_core_file_matches_executable_p |
| 72 | #define coff_core_file_matches_executable_p \ |
| 73 | rs6000coff_core_file_matches_executable_p |
| 74 | |
| 75 | extern char *rs6000coff_core_file_failing_command (bfd *); |
| 76 | #undef coff_core_file_failing_command |
| 77 | #define coff_core_file_failing_command rs6000coff_core_file_failing_command |
| 78 | |
| 79 | extern int rs6000coff_core_file_failing_signal (bfd *); |
| 80 | #undef coff_core_file_failing_signal |
| 81 | #define coff_core_file_failing_signal rs6000coff_core_file_failing_signal |
| 82 | #endif /* AIX_CORE */ |
| 83 | |
| 84 | #ifdef LYNX_CORE |
| 85 | |
| 86 | #undef CORE_FILE_P |
| 87 | #define CORE_FILE_P lynx_core_file_p |
| 88 | extern const bfd_target *lynx_core_file_p (bfd *); |
| 89 | |
| 90 | extern bfd_boolean lynx_core_file_matches_executable_p (bfd *, bfd *); |
| 91 | #undef coff_core_file_matches_executable_p |
| 92 | #define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p |
| 93 | |
| 94 | extern char *lynx_core_file_failing_command (bfd *); |
| 95 | #undef coff_core_file_failing_command |
| 96 | #define coff_core_file_failing_command lynx_core_file_failing_command |
| 97 | |
| 98 | extern int lynx_core_file_failing_signal (bfd *); |
| 99 | #undef coff_core_file_failing_signal |
| 100 | #define coff_core_file_failing_signal lynx_core_file_failing_signal |
| 101 | |
| 102 | #endif /* LYNX_CORE */ |
| 103 | |
| 104 | /* XCOFF archives do not have anything which corresponds to an |
| 105 | extended name table. */ |
| 106 | |
| 107 | #define _bfd_xcoff_slurp_extended_name_table bfd_false |
| 108 | #define _bfd_xcoff_construct_extended_name_table \ |
| 109 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false) |
| 110 | #define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname |
| 111 | |
| 112 | /* We can use the standard get_elt_at_index routine. */ |
| 113 | |
| 114 | #define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index |
| 115 | |
| 116 | /* XCOFF archives do not have a timestamp. */ |
| 117 | |
| 118 | #define _bfd_xcoff_update_armap_timestamp bfd_true |
| 119 | |
| 120 | extern bfd_boolean _bfd_xcoff_mkobject (bfd *); |
| 121 | extern bfd_boolean _bfd_xcoff_copy_private_bfd_data (bfd *, bfd *); |
| 122 | extern bfd_boolean _bfd_xcoff_is_local_label_name (bfd *, const char *); |
| 123 | extern void _bfd_xcoff_rtype2howto (arelent *, struct internal_reloc *); |
| 124 | extern bfd_boolean _bfd_xcoff_slurp_armap (bfd *); |
| 125 | extern void * _bfd_xcoff_read_ar_hdr (bfd *); |
| 126 | extern bfd * _bfd_xcoff_openr_next_archived_file (bfd *, bfd *); |
| 127 | extern int _bfd_xcoff_generic_stat_arch_elt (bfd *, struct stat *); |
| 128 | extern bfd_boolean _bfd_xcoff_write_armap (bfd *, unsigned int, struct orl *, unsigned int, int); |
| 129 | extern bfd_boolean _bfd_xcoff_write_archive_contents (bfd *); |
| 130 | extern int _bfd_xcoff_sizeof_headers (bfd *, struct bfd_link_info *); |
| 131 | extern void _bfd_xcoff_swap_sym_in (bfd *, void *, void *); |
| 132 | extern unsigned int _bfd_xcoff_swap_sym_out (bfd *, void *, void *); |
| 133 | extern void _bfd_xcoff_swap_aux_in (bfd *, void *, int, int, int, int, void *); |
| 134 | extern unsigned int _bfd_xcoff_swap_aux_out (bfd *, void *, int, int, int, int, void *); |
| 135 | extern reloc_howto_type * _bfd_xcoff_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); |
| 136 | extern const bfd_target * _bfd_xcoff_archive_p (bfd *); |
| 137 | |
| 138 | #ifndef coff_SWAP_sym_in |
| 139 | #define coff_SWAP_sym_in _bfd_xcoff_swap_sym_in |
| 140 | #define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out |
| 141 | #define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in |
| 142 | #define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out |
| 143 | #endif |
| 144 | |
| 145 | #include "coffcode.h" |
| 146 | |
| 147 | /* The transfer vector that leads the outside world to all of the above. */ |
| 148 | |
| 149 | const bfd_target TARGET_SYM = |
| 150 | { |
| 151 | TARGET_NAME, |
| 152 | bfd_target_xcoff_flavour, |
| 153 | BFD_ENDIAN_BIG, /* Data byte order is big. */ |
| 154 | BFD_ENDIAN_BIG, /* Header byte order is big. */ |
| 155 | |
| 156 | (HAS_RELOC | EXEC_P | /* Object flags. */ |
| 157 | HAS_LINENO | HAS_DEBUG | DYNAMIC | |
| 158 | HAS_SYMS | HAS_LOCALS | WP_TEXT), |
| 159 | |
| 160 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
| 161 | 0, /* Leading char. */ |
| 162 | '/', /* AR_pad_char. */ |
| 163 | 15, /* AR_max_namelen??? FIXME. */ |
| 164 | |
| 165 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 166 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 167 | bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Data. */ |
| 168 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 169 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 170 | bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Headers. */ |
| 171 | |
| 172 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format. */ |
| 173 | _bfd_xcoff_archive_p, CORE_FILE_P}, |
| 174 | {bfd_false, coff_mkobject, /* bfd_set_format. */ |
| 175 | _bfd_generic_mkarchive, bfd_false}, |
| 176 | {bfd_false, coff_write_object_contents, /* bfd_write_contents. */ |
| 177 | _bfd_xcoff_write_archive_contents, bfd_false}, |
| 178 | |
| 179 | BFD_JUMP_TABLE_GENERIC (coff), |
| 180 | BFD_JUMP_TABLE_COPY (coff), |
| 181 | BFD_JUMP_TABLE_CORE (coff), |
| 182 | BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff), |
| 183 | BFD_JUMP_TABLE_SYMBOLS (coff), |
| 184 | BFD_JUMP_TABLE_RELOCS (coff), |
| 185 | BFD_JUMP_TABLE_WRITE (coff), |
| 186 | BFD_JUMP_TABLE_LINK (_bfd_xcoff), |
| 187 | BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff), |
| 188 | |
| 189 | NULL, |
| 190 | |
| 191 | COFF_SWAP_TABLE |
| 192 | }; |