bfd/xcoff-target.h

   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
   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., 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 \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
  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
  60 extern const bfd_target * rs6000coff_core_p ();
  61 extern 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
  67 extern 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
  71 extern 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
  80 extern const bfd_target *lynx_core_file_p PARAMS ((bfd *abfd));
  81
  82 extern 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
  87 extern 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
  91 extern 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
 124 extern bfd_boolean _bfd_xcoff_mkobject PARAMS ((bfd *));
 125 extern bfd_boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *));
 126 extern bfd_boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char *));
 127 extern void _bfd_xcoff_rtype2howto
 128   PARAMS ((arelent *, struct internal_reloc *));
 129 extern reloc_howto_type *_bfd_xcoff_reloc_type_lookup
 130   PARAMS ((bfd *, bfd_reloc_code_real_type));
 131 extern bfd_boolean _bfd_xcoff_slurp_armap PARAMS ((bfd *));
 132 extern const bfd_target *_bfd_xcoff_archive_p PARAMS ((bfd *));
 133 extern PTR _bfd_xcoff_read_ar_hdr PARAMS ((bfd *));
 134 extern bfd *_bfd_xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *));
 135 extern int _bfd_xcoff_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 136 extern bfd_boolean _bfd_xcoff_write_armap
 137   PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
 138 extern bfd_boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *));
 139 extern int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, bfd_boolean));
 140 extern void _bfd_xcoff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
 141 extern unsigned int _bfd_xcoff_swap_sym_out PARAMS ((bfd *, PTR, PTR));
 142 extern void _bfd_xcoff_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR));
 143 extern 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
 156 const 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 };