1/* Common definitions for backends based on IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001, 2002, 2004, 2005, 2006 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 66extern const bfd_target * rs6000coff_core_p (bfd *); 67extern 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 73extern 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 77extern 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 86extern const bfd_target *lynx_core_file_p (bfd *); 87 88extern 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 92extern 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 96extern 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 118extern bfd_boolean _bfd_xcoff_mkobject (bfd *); 119extern bfd_boolean _bfd_xcoff_copy_private_bfd_data (bfd *, bfd *); 120extern bfd_boolean _bfd_xcoff_is_local_label_name (bfd *, const char *); 121extern void _bfd_xcoff_rtype2howto (arelent *, struct internal_reloc *); 122extern bfd_boolean _bfd_xcoff_slurp_armap (bfd *); 123extern void * _bfd_xcoff_read_ar_hdr (bfd *); 124extern bfd * _bfd_xcoff_openr_next_archived_file (bfd *, bfd *); 125extern int _bfd_xcoff_generic_stat_arch_elt (bfd *, struct stat *); 126extern bfd_boolean _bfd_xcoff_write_armap (bfd *, unsigned int, struct orl *, unsigned int, int); 127extern bfd_boolean _bfd_xcoff_write_archive_contents (bfd *); 128extern int _bfd_xcoff_sizeof_headers (bfd *, struct bfd_link_info *); 129extern void _bfd_xcoff_swap_sym_in (bfd *, void *, void *); 130extern unsigned int _bfd_xcoff_swap_sym_out (bfd *, void *, void *); 131extern void _bfd_xcoff_swap_aux_in (bfd *, void *, int, int, int, int, void *); 132extern unsigned int _bfd_xcoff_swap_aux_out (bfd *, void *, int, int, int, int, void *); 133extern reloc_howto_type * _bfd_xcoff_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); 134extern 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 147const 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