1 /* SOM a.out definitions for BFD.
2 Copyright (C) 2010-2019 Free Software Foundation, Inc.
3 Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software Foundation,
19 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
26 /* Note: SOM uses bit-field in its structure. All you need to know is:
27 - CPUs supported by SOM (hppa) are big-endian,
28 - the MSB is numbered 0. */
30 struct som_external_header
32 unsigned char system_id[2];
33 unsigned char a_magic[2];
34 unsigned char version_id[4];
35 struct som_external_clock file_time;
36 unsigned char entry_space[4];
37 unsigned char entry_subspace[4];
38 unsigned char entry_offset[4];
39 unsigned char aux_header_location[4];
40 unsigned char aux_header_size[4];
41 unsigned char som_length[4];
42 unsigned char presumed_dp[4];
43 unsigned char space_location[4];
44 unsigned char space_total[4];
45 unsigned char subspace_location[4];
46 unsigned char subspace_total[4];
47 unsigned char loader_fixup_location[4];
48 unsigned char loader_fixup_total[4];
49 unsigned char space_strings_location[4];
50 unsigned char space_strings_size[4];
51 unsigned char init_array_location[4];
52 unsigned char init_array_total[4];
53 unsigned char compiler_location[4];
54 unsigned char compiler_total[4];
55 unsigned char symbol_location[4];
56 unsigned char symbol_total[4];
57 unsigned char fixup_request_location[4];
58 unsigned char fixup_request_total[4];
59 unsigned char symbol_strings_location[4];
60 unsigned char symbol_strings_size[4];
61 unsigned char unloadable_sp_location[4];
62 unsigned char unloadable_sp_size[4];
63 unsigned char checksum[4];
66 #define OLD_VERSION_ID 85082112
67 #define NEW_VERSION_ID 87102412
69 #define EXECLIBMAGIC 0x0104
70 #define RELOC_MAGIC 0x0106
71 #define EXEC_MAGIC 0x0107
72 #define SHARE_MAGIC 0x0108
73 #define SHMEM_MAGIC 0x0109
74 #define DEMAND_MAGIC 0x010b
75 #define DL_MAGIC 0x010d
76 #define SHL_MAGIC 0x010e
78 struct som_external_aux_id
80 unsigned char flags[4];
81 unsigned char length[4];
85 #define VERSION_AUX_ID 6
86 #define COPYRIGHT_AUX_ID 9
89 #define SOM_AUX_ID_MANDATORY (1 << 31)
90 #define SOM_AUX_ID_COPY (1 << 30)
91 #define SOM_AUX_ID_APPEND (1 << 29)
92 #define SOM_AUX_ID_IGNORE (1 << 28)
93 #define SOM_AUX_ID_TYPE_SH 0
94 #define SOM_AUX_ID_TYPE_MASK 0xffff
96 struct som_external_string_auxhdr
98 struct som_external_aux_id header_id;
100 /* Length of the string, without the NUL. */
101 unsigned char string_length[4];
106 struct som_external_exec_auxhdr
108 struct som_external_aux_id som_auxhdr;
110 unsigned char exec_tsize[4];
111 unsigned char exec_tmem[4];
112 unsigned char exec_tfile[4];
113 unsigned char exec_dsize[4];
114 unsigned char exec_dmem[4];
115 unsigned char exec_dfile[4];
116 unsigned char exec_bsize[4];
117 unsigned char exec_entry[4];
118 unsigned char exec_flags[4];
119 unsigned char exec_bfill[4];
122 #define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr)
124 struct som_external_space_dictionary_record
126 unsigned char name[4];
127 unsigned char flags[4];
128 unsigned char space_number[4];
129 unsigned char subspace_index[4];
130 unsigned char subspace_quantity[4];
131 unsigned char loader_fix_index[4];
132 unsigned char loader_fix_quantity[4];
133 unsigned char init_pointer_index[4];
134 unsigned char init_pointer_quantity[4];
137 #define SOM_SPACE_IS_LOADABLE (1 << 31)
138 #define SOM_SPACE_IS_DEFINED (1 << 30)
139 #define SOM_SPACE_IS_PRIVATE (1 << 29)
140 #define SOM_SPACE_HAS_INTERMEDIATE_CODE (1 << 28)
141 #define SOM_SPACE_IS_TSPECIFIC (1 << 27)
142 #define SOM_SPACE_SORT_KEY_SH 8
143 #define SOM_SPACE_SORT_KEY_MASK 0xff
145 struct som_external_subspace_dictionary_record
147 unsigned char space_index[4];
148 unsigned char flags[4];
149 unsigned char file_loc_init_value[4];
150 unsigned char initialization_length[4];
151 unsigned char subspace_start[4];
152 unsigned char subspace_length[4];
153 unsigned char alignment[4];
154 unsigned char name[4];
155 unsigned char fixup_request_index[4];
156 unsigned char fixup_request_quantity[4];
159 #define SOM_SUBSPACE_ACCESS_CONTROL_BITS_SH 25
160 #define SOM_SUBSPACE_ACCESS_CONTROL_BITS_MASK 0x7f
161 #define SOM_SUBSPACE_MEMORY_RESIDENT (1 << 24)
162 #define SOM_SUBSPACE_DUP_COMMON (1 << 23)
163 #define SOM_SUBSPACE_IS_COMMON (1 << 22)
164 #define SOM_SUBSPACE_IS_LOADABLE (1 << 21)
165 #define SOM_SUBSPACE_QUADRANT_SH 19
166 #define SOM_SUBSPACE_QUADRANT_MASK 0x3
167 #define SOM_SUBSPACE_INITIALLY_FROZEN (1 << 18)
168 #define SOM_SUBSPACE_IS_FIRST (1 << 17)
169 #define SOM_SUBSPACE_CODE_ONLY (1 << 16)
170 #define SOM_SUBSPACE_SORT_KEY_SH 8
171 #define SOM_SUBSPACE_SORT_KEY_MASK 0xff
172 #define SOM_SUBSPACE_REPLICATE_INIT (1 << 7)
173 #define SOM_SUBSPACE_CONTINUATION (1 << 6)
174 #define SOM_SUBSPACE_IS_TSPECIFIC (1 << 5)
175 #define SOM_SUBSPACE_IS_COMDAT (1 << 4)
177 struct som_external_compilation_unit
179 unsigned char name[4];
180 unsigned char language_name[4];
181 unsigned char product_id[4];
182 unsigned char version_id[4];
183 unsigned char flags[4];
184 struct som_external_clock compile_time;
185 struct som_external_clock source_time;
188 struct som_external_symbol_dictionary_record
190 unsigned char flags[4];
191 unsigned char name[4];
192 unsigned char qualifier_name[4];
193 unsigned char info[4];
194 unsigned char symbol_value[4];
198 #define SOM_SYMBOL_HIDDEN (1 << 31)
199 #define SOM_SYMBOL_SECONDARY_DEF (1 << 30)
200 #define SOM_SYMBOL_TYPE_SH 24
201 #define SOM_SYMBOL_TYPE_MASK 0x3f
202 #define SOM_SYMBOL_SCOPE_SH 20
203 #define SOM_SYMBOL_SCOPE_MASK 0xf
204 #define SOM_SYMBOL_CHECK_LEVEL_SH 17
205 #define SOM_SYMBOL_CHECK_LEVEL_MASK 0x7
206 #define SOM_SYMBOL_MUST_QUALIFY (1 << 16)
207 #define SOM_SYMBOL_INITIALLY_FROZEN (1 << 15)
208 #define SOM_SYMBOL_MEMORY_RESIDENT (1 << 14)
209 #define SOM_SYMBOL_IS_COMMON (1 << 13)
210 #define SOM_SYMBOL_DUP_COMMON (1 << 12)
211 #define SOM_SYMBOL_XLEAST_SH 10
212 #define SOM_SYMBOL_XLEAT_MASK 0x3
213 #define SOM_SYMBOL_ARG_RELOC_SH 0
214 #define SOM_SYMBOL_ARG_RELOC_MASK 0x3ff
217 #define SOM_SYMBOL_HAS_LONG_RETURN (1 << 31)
218 #define SOM_SYMBOL_NO_RELOCATION (1 << 30)
219 #define SOM_SYMBOL_IS_COMDAT (1 << 29)
220 #define SOM_SYMBOL_SYMBOL_INFO_SH 0
221 #define SOM_SYMBOL_SYMBOL_INFO_MASK 0xffffff
223 /* Symbol type definition. */
225 #define ST_ABSOLUTE 1
228 #define ST_PRI_PROG 4
229 #define ST_SEC_PROG 5
234 #define ST_SYM_EXT 10
235 #define ST_ARG_EXT 11
236 #define ST_MILLICODE 12
238 #define ST_OCT_DIS 14
239 #define ST_MILLI_EXT 15
240 #define ST_TSTORAGE 16
245 #define SS_EXTERNAL 1
247 #define SS_UNIVERSAL 3
249 #endif /* _SOM_AOUT_H */