source: trunk/libs/newlib/src/include/som/aout.h @ 503

Last change on this file since 503 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 7.2 KB
Line 
1/* SOM a.out 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_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
30struct 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
78struct 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
96struct 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
106struct 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
124struct 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
145struct 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
177struct 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
188struct 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 */
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