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