contrib/binutils/bfd/xcoff-target.h

   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 \f
  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 *, struct bfd_link_info *);
 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 };