bfd/xcoff-target.h

   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 \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_define_common_symbol            _bfd_xcoff_define_common_symbol
  61 #define _bfd_xcoff_bfd_link_split_section              coff_bfd_link_split_section
  62
  63 #define CORE_FILE_P _bfd_dummy_target
  64
  65 #ifdef AIX_CORE
  66
  67 #undef  CORE_FILE_P
  68 #define CORE_FILE_P rs6000coff_core_p
  69 extern const bfd_target * rs6000coff_core_p (bfd *);
  70 extern bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *, bfd*);
  71
  72 #undef  coff_core_file_matches_executable_p
  73 #define coff_core_file_matches_executable_p  \
  74                                      rs6000coff_core_file_matches_executable_p
  75
  76 extern char *rs6000coff_core_file_failing_command (bfd *);
  77 #undef  coff_core_file_failing_command
  78 #define coff_core_file_failing_command rs6000coff_core_file_failing_command
  79
  80 extern int rs6000coff_core_file_failing_signal (bfd *);
  81 #undef  coff_core_file_failing_signal
  82 #define coff_core_file_failing_signal rs6000coff_core_file_failing_signal
  83 #endif /* AIX_CORE */
  84
  85 #ifdef LYNX_CORE
  86
  87 #undef  CORE_FILE_P
  88 #define CORE_FILE_P lynx_core_file_p
  89 extern const bfd_target *lynx_core_file_p (bfd *);
  90
  91 extern bfd_boolean lynx_core_file_matches_executable_p (bfd *, bfd *);
  92 #undef  coff_core_file_matches_executable_p
  93 #define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p
  94
  95 extern char *lynx_core_file_failing_command (bfd *);
  96 #undef  coff_core_file_failing_command
  97 #define coff_core_file_failing_command lynx_core_file_failing_command
  98
  99 extern int lynx_core_file_failing_signal (bfd *);
 100 #undef  coff_core_file_failing_signal
 101 #define coff_core_file_failing_signal lynx_core_file_failing_signal
 102
 103 #endif /* LYNX_CORE */
 104
 105 /* XCOFF archives do not have anything which corresponds to an
 106    extended name table.  */
 107
 108 #define _bfd_xcoff_slurp_extended_name_table bfd_false
 109 #define _bfd_xcoff_construct_extended_name_table \
 110   ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false)
 111 #define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname
 112
 113 /* We can use the standard get_elt_at_index routine.  */
 114
 115 #define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index
 116
 117 /* XCOFF archives do not have a timestamp.  */
 118
 119 #define _bfd_xcoff_update_armap_timestamp bfd_true
 120
 121 extern bfd_boolean        _bfd_xcoff_mkobject (bfd *);
 122 extern bfd_boolean        _bfd_xcoff_copy_private_bfd_data (bfd *, bfd *);
 123 extern bfd_boolean        _bfd_xcoff_is_local_label_name (bfd *, const char *);
 124 extern void               _bfd_xcoff_rtype2howto  (arelent *, struct internal_reloc *);
 125 extern bfd_boolean        _bfd_xcoff_slurp_armap (bfd *);
 126 extern void *             _bfd_xcoff_read_ar_hdr (bfd *);
 127 extern bfd *              _bfd_xcoff_openr_next_archived_file (bfd *, bfd *);
 128 extern int                _bfd_xcoff_generic_stat_arch_elt (bfd *, struct stat *);
 129 extern bfd_boolean        _bfd_xcoff_write_armap  (bfd *, unsigned int, struct orl *, unsigned int, int);
 130 extern bfd_boolean        _bfd_xcoff_write_archive_contents (bfd *);
 131 extern int                _bfd_xcoff_sizeof_headers (bfd *, struct bfd_link_info *);
 132 extern void               _bfd_xcoff_swap_sym_in (bfd *, void *, void *);
 133 extern unsigned int       _bfd_xcoff_swap_sym_out (bfd *, void *, void *);
 134 extern void               _bfd_xcoff_swap_aux_in (bfd *, void *, int, int, int, int, void *);
 135 extern unsigned int       _bfd_xcoff_swap_aux_out (bfd *, void *, int, int, int, int, void *);
 136 extern reloc_howto_type * _bfd_xcoff_reloc_type_lookup  (bfd *, bfd_reloc_code_real_type);
 137 extern const bfd_target * _bfd_xcoff_archive_p (bfd *);
 138
 139 #ifndef coff_SWAP_sym_in
 140 #define coff_SWAP_sym_in  _bfd_xcoff_swap_sym_in
 141 #define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out
 142 #define coff_SWAP_aux_in  _bfd_xcoff_swap_aux_in
 143 #define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out
 144 #endif
 145
 146 #include "coffcode.h"
 147
 148 /* The transfer vector that leads the outside world to all of the above.  */
 149
 150 const bfd_target TARGET_SYM =
 151 {
 152   TARGET_NAME,
 153   bfd_target_xcoff_flavour,
 154   BFD_ENDIAN_BIG,               /* Data byte order is big.  */
 155   BFD_ENDIAN_BIG,               /* Header byte order is big.  */
 156
 157   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 158    HAS_LINENO | HAS_DEBUG | DYNAMIC |
 159    HAS_SYMS | HAS_LOCALS | WP_TEXT),
 160
 161   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags.  */
 162   0,                            /* Leading char.  */
 163   '/',                          /* AR_pad_char.  */
 164   15,                           /* AR_max_namelen??? FIXME.  */
 165
 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,/* Data.  */
 169   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 170      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 171      bfd_getb16, bfd_getb_signed_16, bfd_putb16,/* Headers.  */
 172
 173   {_bfd_dummy_target, coff_object_p,            /* bfd_check_format.  */
 174      _bfd_xcoff_archive_p, CORE_FILE_P},
 175   {bfd_false, coff_mkobject,                    /* bfd_set_format.  */
 176      _bfd_generic_mkarchive, bfd_false},
 177   {bfd_false, coff_write_object_contents,       /* bfd_write_contents.  */
 178      _bfd_xcoff_write_archive_contents, bfd_false},
 179
 180      BFD_JUMP_TABLE_GENERIC (coff),
 181      BFD_JUMP_TABLE_COPY (coff),
 182      BFD_JUMP_TABLE_CORE (coff),
 183      BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff),
 184      BFD_JUMP_TABLE_SYMBOLS (coff),
 185      BFD_JUMP_TABLE_RELOCS (coff),
 186      BFD_JUMP_TABLE_WRITE (coff),
 187      BFD_JUMP_TABLE_LINK (_bfd_xcoff),
 188      BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff),
 189
 190   NULL,
 191
 192   COFF_SWAP_TABLE
 193 };