1/* Common definitions for backends based on IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001, 2002 3 Free Software Foundation, Inc. 4 Contributed by Cygnus Support. 5 6This file is part of BFD, the Binary File Descriptor library. 7 8This program is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2 of the License, or 11(at your option) any later version. 12 13This program is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with this program; if not, write to the Free Software 20Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 50#define CORE_FILE_P _bfd_dummy_target 51 52#define coff_core_file_failing_command _bfd_nocore_core_file_failing_command 53#define coff_core_file_failing_signal _bfd_nocore_core_file_failing_signal 54#define coff_core_file_matches_executable_p \ 55 _bfd_nocore_core_file_matches_executable_p 56 57#ifdef AIX_CORE 58#undef CORE_FILE_P 59#define CORE_FILE_P rs6000coff_core_p 60extern const bfd_target * rs6000coff_core_p (); 61extern bfd_boolean rs6000coff_core_file_matches_executable_p (); 62 63#undef coff_core_file_matches_executable_p 64#define coff_core_file_matches_executable_p \ 65 rs6000coff_core_file_matches_executable_p 66 67extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd)); 68#undef coff_core_file_failing_command 69#define coff_core_file_failing_command rs6000coff_core_file_failing_command 70 71extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd)); 72#undef coff_core_file_failing_signal 73#define coff_core_file_failing_signal rs6000coff_core_file_failing_signal 74#endif /* AIX_CORE */ 75 76#ifdef LYNX_CORE 77 78#undef CORE_FILE_P 79#define CORE_FILE_P lynx_core_file_p 80extern const bfd_target *lynx_core_file_p PARAMS ((bfd *abfd)); 81 82extern bfd_boolean lynx_core_file_matches_executable_p 83 PARAMS ((bfd *core_bfd, bfd *exec_bfd)); 84#undef coff_core_file_matches_executable_p 85#define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p 86 87extern char *lynx_core_file_failing_command PARAMS ((bfd *abfd)); 88#undef coff_core_file_failing_command 89#define coff_core_file_failing_command lynx_core_file_failing_command 90 91extern int lynx_core_file_failing_signal PARAMS ((bfd *abfd)); 92#undef coff_core_file_failing_signal 93#define coff_core_file_failing_signal lynx_core_file_failing_signal 94 95#endif /* LYNX_CORE */ 96 97#define _bfd_xcoff_bfd_get_relocated_section_contents \ 98 coff_bfd_get_relocated_section_contents 99#define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section 100#define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections 101#define _bfd_xcoff_bfd_merge_sections coff_bfd_merge_sections 102#define _bfd_xcoff_bfd_discard_group bfd_generic_discard_group 103#define _bfd_xcoff_section_already_linked \ 104 _bfd_generic_section_already_linked 105#define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section 106 107/* XCOFF archives do not have anything which corresponds to an 108 extended name table. */ 109 110#define _bfd_xcoff_slurp_extended_name_table bfd_false 111#define _bfd_xcoff_construct_extended_name_table \ 112 ((bfd_boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \ 113 bfd_false) 114#define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname 115 116/* We can use the standard get_elt_at_index routine. */ 117 118#define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index 119 120/* XCOFF archives do not have a timestamp. */ 121 122#define _bfd_xcoff_update_armap_timestamp bfd_true 123 124extern bfd_boolean _bfd_xcoff_mkobject PARAMS ((bfd *)); 125extern bfd_boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *)); 126extern bfd_boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char *)); 127extern void _bfd_xcoff_rtype2howto 128 PARAMS ((arelent *, struct internal_reloc *)); 129extern reloc_howto_type *_bfd_xcoff_reloc_type_lookup 130 PARAMS ((bfd *, bfd_reloc_code_real_type)); 131extern bfd_boolean _bfd_xcoff_slurp_armap PARAMS ((bfd *)); 132extern const bfd_target *_bfd_xcoff_archive_p PARAMS ((bfd *)); 133extern PTR _bfd_xcoff_read_ar_hdr PARAMS ((bfd *)); 134extern bfd *_bfd_xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *)); 135extern int _bfd_xcoff_generic_stat_arch_elt PARAMS ((bfd *, struct stat *)); 136extern bfd_boolean _bfd_xcoff_write_armap 137 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); 138extern bfd_boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *)); 139extern int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, bfd_boolean)); 140extern void _bfd_xcoff_swap_sym_in PARAMS ((bfd *, PTR, PTR)); 141extern unsigned int _bfd_xcoff_swap_sym_out PARAMS ((bfd *, PTR, PTR)); 142extern void _bfd_xcoff_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 143extern unsigned int _bfd_xcoff_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 144 145#ifndef coff_SWAP_sym_in 146#define coff_SWAP_sym_in _bfd_xcoff_swap_sym_in 147#define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out 148#define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in 149#define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out 150#endif 151 152#include "coffcode.h" 153 154/* The transfer vector that leads the outside world to all of the above. */ 155 156const bfd_target TARGET_SYM = 157{ 158 TARGET_NAME, 159 bfd_target_xcoff_flavour, 160 BFD_ENDIAN_BIG, /* data byte order is big */ 161 BFD_ENDIAN_BIG, /* header byte order is big */ 162 163 (HAS_RELOC | EXEC_P | /* object flags */ 164 HAS_LINENO | HAS_DEBUG | DYNAMIC | 165 HAS_SYMS | HAS_LOCALS | WP_TEXT), 166 167 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ 168 0, /* leading char */ 169 '/', /* ar_pad_char */ 170 15, /* ar_max_namelen??? FIXMEmgo */ 171 172 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 173 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 174 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ 175 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 176 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 177 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ 178 179 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ 180 _bfd_xcoff_archive_p, CORE_FILE_P}, 181 {bfd_false, coff_mkobject, /* bfd_set_format */ 182 _bfd_generic_mkarchive, bfd_false}, 183 {bfd_false, coff_write_object_contents, /* bfd_write_contents */ 184 _bfd_xcoff_write_archive_contents, bfd_false}, 185 186 BFD_JUMP_TABLE_GENERIC (coff), 187 BFD_JUMP_TABLE_COPY (coff), 188 BFD_JUMP_TABLE_CORE (coff), 189 BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff), 190 BFD_JUMP_TABLE_SYMBOLS (coff), 191 BFD_JUMP_TABLE_RELOCS (coff), 192 BFD_JUMP_TABLE_WRITE (coff), 193 BFD_JUMP_TABLE_LINK (_bfd_xcoff), 194 BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff), 195 196 NULL, 197 198 COFF_SWAP_TABLE 199}; 200