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820744a5 | 1 | /* SOM a.out definitions for BFD. |
6f2750fe | 2 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
820744a5 TG |
3 | Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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. */ | |
20 | ||
21 | #ifndef _SOM_AOUT_H | |
22 | #define _SOM_AOUT_H | |
23 | ||
24 | #include "clock.h" | |
25 | ||
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. */ | |
29 | ||
30 | struct som_external_header | |
31 | { | |
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]; | |
64 | }; | |
65 | ||
66 | #define OLD_VERSION_ID 85082112 | |
67 | #define NEW_VERSION_ID 87102412 | |
68 | ||
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 | |
77 | ||
78 | struct som_external_aux_id | |
79 | { | |
80 | unsigned char flags[4]; | |
81 | unsigned char length[4]; | |
82 | }; | |
83 | ||
84 | /* Aux id types. */ | |
85 | #define VERSION_AUX_ID 6 | |
86 | #define COPYRIGHT_AUX_ID 9 | |
87 | ||
88 | /* Aux id flags. */ | |
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 | |
95 | ||
96 | struct som_external_string_auxhdr | |
97 | { | |
98 | struct som_external_aux_id header_id; | |
99 | ||
100 | /* Length of the string, without the NUL. */ | |
101 | unsigned char string_length[4]; | |
102 | ||
103 | /* The string. */ | |
104 | }; | |
105 | ||
106 | struct som_external_exec_auxhdr | |
107 | { | |
108 | struct som_external_aux_id som_auxhdr; | |
109 | ||
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]; | |
120 | }; | |
121 | ||
122 | #define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr) | |
123 | ||
124 | struct som_external_space_dictionary_record | |
125 | { | |
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]; | |
135 | }; | |
136 | ||
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 | |
144 | ||
145 | struct som_external_subspace_dictionary_record | |
146 | { | |
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]; | |
157 | }; | |
158 | ||
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) | |
176 | ||
177 | struct som_external_compilation_unit | |
178 | { | |
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; | |
186 | }; | |
187 | ||
188 | struct som_external_symbol_dictionary_record | |
189 | { | |
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]; | |
195 | }; | |
196 | ||
197 | /* Flags fields. */ | |
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 | |
215 | ||
216 | /* Info fields. */ | |
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 | |
222 | ||
223 | /* Symbol type definition. */ | |
224 | #define ST_NULL 0 | |
225 | #define ST_ABSOLUTE 1 | |
226 | #define ST_DATA 2 | |
227 | #define ST_CODE 3 | |
228 | #define ST_PRI_PROG 4 | |
229 | #define ST_SEC_PROG 5 | |
230 | #define ST_ENTRY 6 | |
231 | #define ST_STORAGE 7 | |
232 | #define ST_STUB 8 | |
233 | #define ST_MODULE 9 | |
234 | #define ST_SYM_EXT 10 | |
235 | #define ST_ARG_EXT 11 | |
236 | #define ST_MILLICODE 12 | |
237 | #define ST_PLABEL 13 | |
238 | #define ST_OCT_DIS 14 | |
239 | #define ST_MILLI_EXT 15 | |
240 | #define ST_TSTORAGE 16 | |
241 | #define ST_COMDAT 17 | |
242 | ||
243 | /* Symbol scope. */ | |
244 | #define SS_UNSAT 0 | |
245 | #define SS_EXTERNAL 1 | |
246 | #define SS_LOCAL 2 | |
247 | #define SS_UNIVERSAL 3 | |
248 | ||
249 | #endif /* _SOM_AOUT_H */ |