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1 | /* SOM internal definitions for BFD. |
2 | Copyright 2010 Free Software Foundation, Inc. | |
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_INTERNAL_H | |
22 | #define _SOM_INTERNAL_H | |
23 | ||
24 | struct som_clock | |
25 | { | |
26 | unsigned int secs; | |
27 | unsigned int nanosecs; | |
28 | }; | |
29 | ||
30 | struct som_header | |
31 | { | |
32 | unsigned short system_id; | |
33 | unsigned short a_magic; | |
34 | unsigned int version_id; | |
35 | struct som_clock file_time; | |
36 | unsigned int entry_space; | |
37 | unsigned int entry_subspace; | |
38 | unsigned int entry_offset; | |
39 | unsigned int aux_header_location; | |
40 | unsigned int aux_header_size; | |
41 | unsigned int som_length; | |
42 | unsigned int presumed_dp; | |
43 | unsigned int space_location; | |
44 | unsigned int space_total; | |
45 | unsigned int subspace_location; | |
46 | unsigned int subspace_total; | |
47 | unsigned int loader_fixup_location; | |
48 | unsigned int loader_fixup_total; | |
49 | unsigned int space_strings_location; | |
50 | unsigned int space_strings_size; | |
51 | unsigned int init_array_location; | |
52 | unsigned int init_array_total; | |
53 | unsigned int compiler_location; | |
54 | unsigned int compiler_total; | |
55 | unsigned int symbol_location; | |
56 | unsigned int symbol_total; | |
57 | unsigned int fixup_request_location; | |
58 | unsigned int fixup_request_total; | |
59 | unsigned int symbol_strings_location; | |
60 | unsigned int symbol_strings_size; | |
61 | unsigned int unloadable_sp_location; | |
62 | unsigned int unloadable_sp_size; | |
63 | unsigned int checksum; | |
64 | }; | |
65 | ||
66 | struct som_aux_id | |
67 | { | |
68 | unsigned int mandatory : 1; | |
69 | unsigned int copy : 1; | |
70 | unsigned int append : 1; | |
71 | unsigned int ignore : 1; | |
72 | unsigned int reserved : 12; | |
73 | ||
74 | /* Header type. */ | |
75 | unsigned int type : 16; | |
76 | ||
77 | /* Length of the header in bytes, without the two word identifier. */ | |
78 | unsigned int length; | |
79 | }; | |
80 | ||
81 | /* Generic auxiliary string header. */ | |
82 | struct som_string_auxhdr | |
83 | { | |
84 | struct som_aux_id header_id; | |
85 | ||
86 | /* Length of the string, without the NUL. */ | |
87 | unsigned int string_length; | |
88 | ||
89 | /* The string. */ | |
90 | char string[1]; | |
91 | }; | |
92 | ||
93 | struct som_name_pt | |
94 | { | |
95 | char *name; | |
96 | unsigned int strx; | |
97 | }; | |
98 | ||
99 | struct som_compilation_unit | |
100 | { | |
101 | /* Source file that produced the SOM. */ | |
102 | struct som_name_pt name; | |
103 | ||
104 | /* Name of the language used when creating this SOM. */ | |
105 | struct som_name_pt language_name; | |
106 | ||
107 | /* Identificaton of the compiler. */ | |
108 | struct som_name_pt product_id; | |
109 | ||
110 | /* Version id of the compiler. */ | |
111 | struct som_name_pt version_id; | |
112 | ||
113 | unsigned int flags; | |
114 | struct som_clock compile_time; | |
115 | struct som_clock source_time; | |
116 | }; | |
117 | ||
118 | struct som_exec_auxhdr | |
119 | { | |
120 | struct som_aux_id som_auxhdr; | |
121 | ||
122 | long exec_tsize; | |
123 | long exec_tmem; | |
124 | long exec_tfile; | |
125 | long exec_dsize; | |
126 | long exec_dmem; | |
127 | long exec_dfile; | |
128 | long exec_bsize; | |
129 | long exec_entry; | |
130 | long exec_flags; | |
131 | long exec_bfill; | |
132 | }; | |
133 | ||
134 | struct som_space_dictionary_record | |
135 | { | |
136 | unsigned int name; | |
137 | unsigned int is_loadable : 1; | |
138 | unsigned int is_defined : 1; | |
139 | unsigned int is_private : 1; | |
140 | unsigned int has_intermediate_code : 1; | |
141 | unsigned int is_tspecific : 1; | |
142 | unsigned int reserved : 11; | |
143 | unsigned int sort_key : 8; | |
144 | unsigned int reserved2 : 8; | |
145 | int space_number; | |
146 | int subspace_index; | |
147 | unsigned int subspace_quantity; | |
148 | int loader_fix_index; | |
149 | unsigned int loader_fix_quantity; | |
150 | int init_pointer_index; | |
151 | unsigned int init_pointer_quantity; | |
152 | }; | |
153 | ||
154 | struct som_subspace_dictionary_record | |
155 | { | |
156 | int space_index; | |
157 | unsigned int access_control_bits : 7; | |
158 | unsigned int memory_resident : 1; | |
159 | unsigned int dup_common : 1; | |
160 | unsigned int is_common : 1; | |
161 | unsigned int is_loadable : 1; | |
162 | unsigned int quadrant : 2; | |
163 | unsigned int initially_frozen : 1; | |
164 | unsigned int is_first : 1; | |
165 | unsigned int code_only : 1; | |
166 | unsigned int sort_key : 8; | |
167 | unsigned int replicate_init : 1; | |
168 | unsigned int continuation : 1; | |
169 | unsigned int is_tspecific : 1; | |
170 | unsigned int is_comdat : 1; | |
171 | unsigned int reserved : 4; | |
172 | int file_loc_init_value; | |
173 | unsigned int initialization_length; | |
174 | unsigned int subspace_start; | |
175 | unsigned int subspace_length; | |
176 | unsigned int reserved2 : 5; | |
177 | unsigned int alignment : 27; | |
178 | unsigned int name; | |
179 | int fixup_request_index; | |
180 | unsigned int fixup_request_quantity; | |
181 | }; | |
182 | ||
183 | struct som_lst_header | |
184 | { | |
185 | unsigned short system_id; | |
186 | unsigned short a_magic; | |
187 | unsigned int version_id; | |
188 | struct som_clock file_time; | |
189 | unsigned int hash_loc; | |
190 | unsigned int hash_size; | |
191 | unsigned int module_count; | |
192 | unsigned int module_limit; | |
193 | unsigned int dir_loc; | |
194 | unsigned int export_loc; | |
195 | unsigned int export_count; | |
196 | unsigned int import_loc; | |
197 | unsigned int aux_loc; | |
198 | unsigned int aux_size; | |
199 | unsigned int string_loc; | |
200 | unsigned int string_size; | |
201 | unsigned int free_list; | |
202 | unsigned int file_end; | |
203 | unsigned int checksum; | |
204 | }; | |
205 | ||
206 | #endif /* _SOM_INTERNAL_H */ |