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6febb1e3 FF |
1 | /* NLM (NetWare Loadable Module) support for BFD. |
2 | Copyright (C) 1993 Free Software Foundation, Inc. | |
3 | ||
4 | Written by Fred Fish @ Cygnus Support | |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
21 | ||
22 | ||
23 | /* This file is part of NLM support for BFD, and contains the portions | |
24 | that describe how NLM is represented externally by the BFD library. | |
25 | I.E. it describes the in-file representation of NLM. It requires | |
26 | the nlm/common.h file which contains the portions that are common to | |
27 | both the internal and external representations. | |
28 | ||
29 | Note that an NLM header consists of three parts: | |
30 | ||
31 | (1) A fixed length header that has specific fields of known length, | |
32 | at specific offsets in the file. | |
33 | ||
34 | (2) A variable length header that has specific fields in a specific | |
35 | order, but some fields may be variable length. | |
36 | ||
37 | (3) A auxiliary header that has various optional fields in no specific | |
38 | order. There is no way to identify the end of the auxiliary headers | |
39 | except by finding a header without a recognized 'stamp'. | |
8ae5cb6e | 40 | |
efb7100d ILT |
41 | The exact format of the fixed length header unfortunately varies |
42 | from one NLM target to another, due to padding. Each target | |
43 | defines the correct external format in a separate header file. | |
44 | ||
6febb1e3 FF |
45 | */ |
46 | ||
8ae5cb6e | 47 | /* NLM Header */ |
6febb1e3 | 48 | |
6febb1e3 FF |
49 | /* The version header is one of the optional auxiliary headers and |
50 | follows the fixed length and variable length NLM headers. */ | |
51 | ||
8ae5cb6e | 52 | typedef struct nlmNAME(external_version_header) |
6febb1e3 FF |
53 | { |
54 | ||
55 | /* The header is recognized by "VeRsIoN#" in the stamp field. */ | |
56 | char stamp[8]; | |
57 | ||
8ae5cb6e | 58 | unsigned char majorVersion[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 59 | |
8ae5cb6e | 60 | unsigned char minorVersion[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 61 | |
8ae5cb6e | 62 | unsigned char revision[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 63 | |
8ae5cb6e | 64 | unsigned char year[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 65 | |
8ae5cb6e | 66 | unsigned char month[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 67 | |
8ae5cb6e | 68 | unsigned char day[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 69 | |
8ae5cb6e | 70 | } NlmNAME(External_Version_Header); |
6febb1e3 FF |
71 | |
72 | ||
8ae5cb6e | 73 | typedef struct nlmNAME(external_copyright_header) |
6febb1e3 FF |
74 | { |
75 | ||
76 | /* The header is recognized by "CoPyRiGhT=" in the stamp field. */ | |
77 | ||
78 | char stamp[10]; | |
79 | ||
80 | unsigned char copyrightMessageLength[1]; | |
81 | ||
82 | /* There is a variable length field here called 'copyrightMessage' | |
83 | that is the length specified by copyrightMessageLength. */ | |
84 | ||
8ae5cb6e | 85 | } NlmNAME(External_Copyright_Header); |
6febb1e3 FF |
86 | |
87 | ||
8ae5cb6e | 88 | typedef struct nlmNAME(external_extended_header) |
6febb1e3 FF |
89 | { |
90 | ||
91 | /* The header is recognized by "MeSsAgEs" in the stamp field. */ | |
92 | ||
93 | char stamp[8]; | |
94 | ||
8ae5cb6e | 95 | unsigned char languageID[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 96 | |
8ae5cb6e | 97 | unsigned char messageFileOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 98 | |
8ae5cb6e | 99 | unsigned char messageFileLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 100 | |
8ae5cb6e | 101 | unsigned char messageCount[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 102 | |
8ae5cb6e | 103 | unsigned char helpFileOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 104 | |
8ae5cb6e | 105 | unsigned char helpFileLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 106 | |
8ae5cb6e | 107 | unsigned char RPCDataOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 108 | |
8ae5cb6e | 109 | unsigned char RPCDataLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 110 | |
8ae5cb6e | 111 | unsigned char sharedCodeOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 112 | |
8ae5cb6e | 113 | unsigned char sharedCodeLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 114 | |
8ae5cb6e | 115 | unsigned char sharedDataOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 116 | |
8ae5cb6e | 117 | unsigned char sharedDataLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 118 | |
8ae5cb6e | 119 | unsigned char sharedRelocationFixupOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 120 | |
8ae5cb6e | 121 | unsigned char sharedRelocationFixupCount[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 122 | |
8ae5cb6e | 123 | unsigned char sharedExternalReferenceOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 124 | |
8ae5cb6e | 125 | unsigned char sharedExternalReferenceCount[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 126 | |
8ae5cb6e | 127 | unsigned char sharedPublicsOffset[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 128 | |
8ae5cb6e | 129 | unsigned char sharedPublicsCount[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 130 | |
efb7100d ILT |
131 | unsigned char sharedDebugRecordOffset[NLM_TARGET_LONG_SIZE]; |
132 | ||
133 | unsigned char sharedDebugRecordCount[NLM_TARGET_LONG_SIZE]; | |
134 | ||
8ae5cb6e | 135 | unsigned char sharedInitializationOffset[NLM_TARGET_ADDRESS_SIZE]; |
6febb1e3 | 136 | |
8ae5cb6e | 137 | unsigned char SharedExitProcedureOffset[NLM_TARGET_ADDRESS_SIZE]; |
6febb1e3 | 138 | |
8ae5cb6e | 139 | unsigned char productID[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 140 | |
8ae5cb6e | 141 | unsigned char reserved0[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 142 | |
8ae5cb6e | 143 | unsigned char reserved1[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 144 | |
8ae5cb6e | 145 | unsigned char reserved2[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 146 | |
8ae5cb6e | 147 | unsigned char reserved3[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 148 | |
8ae5cb6e | 149 | unsigned char reserved4[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 150 | |
8ae5cb6e | 151 | unsigned char reserved5[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 152 | |
8ae5cb6e | 153 | } NlmNAME(External_Extended_Header); |
6febb1e3 FF |
154 | |
155 | ||
8ae5cb6e | 156 | typedef struct nlmNAME(external_custom_header) |
6febb1e3 FF |
157 | { |
158 | ||
159 | /* The header is recognized by "CuStHeAd" in the stamp field. */ | |
160 | char stamp[8]; | |
161 | ||
8ae5cb6e | 162 | unsigned char dataLength[NLM_TARGET_LONG_SIZE]; |
6febb1e3 | 163 | |
8ae5cb6e | 164 | } NlmNAME(External_Custom_Header); |
1f573a79 ILT |
165 | |
166 | typedef struct nlmNAME(external_cygnus_section_header) | |
167 | { | |
168 | ||
169 | /* The header is recognized by "CyGnUsSeCs" in the stamp field. */ | |
170 | char stamp[10]; | |
171 | ||
172 | unsigned char offset[NLM_TARGET_LONG_SIZE]; | |
173 | ||
174 | unsigned char length[NLM_TARGET_LONG_SIZE]; | |
175 | ||
176 | } NlmNAME(External_Cygnus_Section_Header); |