| 1 | /* i386 NLM (NetWare Loadable Module) support for BFD. |
| 2 | Copyright (C) 1993-2015 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | /* The external format of the fixed header. */ |
| 22 | |
| 23 | typedef struct nlm32_i386_external_fixed_header |
| 24 | { |
| 25 | |
| 26 | /* The signature field identifies the file as an NLM. It must contain |
| 27 | the signature string, which depends upon the NLM target. */ |
| 28 | |
| 29 | unsigned char signature[24]; |
| 30 | |
| 31 | /* The version of the header. At this time, the highest version number |
| 32 | is 4. */ |
| 33 | |
| 34 | unsigned char version[4]; |
| 35 | |
| 36 | /* The name of the module, which must be a DOS name (1-8 characters followed |
| 37 | by a period and a 1-3 character extension). The first byte is the byte |
| 38 | length of the name and the last byte is a null terminator byte. This |
| 39 | field is fixed length, and any unused bytes should be null bytes. The |
| 40 | value is set by the OUTPUT keyword to NLMLINK. */ |
| 41 | |
| 42 | unsigned char moduleName[14]; |
| 43 | |
| 44 | /* The byte offset of the code image from the start of the file. */ |
| 45 | |
| 46 | unsigned char codeImageOffset[4]; |
| 47 | |
| 48 | /* The size of the code image, in bytes. */ |
| 49 | |
| 50 | unsigned char codeImageSize[4]; |
| 51 | |
| 52 | /* The byte offset of the data image from the start of the file. */ |
| 53 | |
| 54 | unsigned char dataImageOffset[4]; |
| 55 | |
| 56 | /* The size of the data image, in bytes. */ |
| 57 | |
| 58 | unsigned char dataImageSize[4]; |
| 59 | |
| 60 | /* The size of the uninitialized data region that the loader is to be |
| 61 | allocated at load time. Uninitialized data follows the initialized |
| 62 | data in the NLM address space. */ |
| 63 | |
| 64 | unsigned char uninitializedDataSize[4]; |
| 65 | |
| 66 | /* The byte offset of the custom data from the start of the file. The |
| 67 | custom data is set by the CUSTOM keyword to NLMLINK. It is possible |
| 68 | for this to be EOF if there is no custom data. */ |
| 69 | |
| 70 | unsigned char customDataOffset[4]; |
| 71 | |
| 72 | /* The size of the custom data, in bytes. */ |
| 73 | |
| 74 | unsigned char customDataSize[4]; |
| 75 | |
| 76 | /* The byte offset of the module dependencies from the start of the file. |
| 77 | The module dependencies are determined by the MODULE keyword in |
| 78 | NLMLINK. */ |
| 79 | |
| 80 | unsigned char moduleDependencyOffset[4]; |
| 81 | |
| 82 | /* The number of module dependencies at the moduleDependencyOffset. */ |
| 83 | |
| 84 | unsigned char numberOfModuleDependencies[4]; |
| 85 | |
| 86 | /* The byte offset of the relocation fixup data from the start of the file */ |
| 87 | |
| 88 | unsigned char relocationFixupOffset[4]; |
| 89 | |
| 90 | unsigned char numberOfRelocationFixups[4]; |
| 91 | |
| 92 | unsigned char externalReferencesOffset[4]; |
| 93 | |
| 94 | unsigned char numberOfExternalReferences[4]; |
| 95 | |
| 96 | unsigned char publicsOffset[4]; |
| 97 | |
| 98 | unsigned char numberOfPublics[4]; |
| 99 | |
| 100 | /* The byte offset of the internal debug info from the start of the file. |
| 101 | It is possible for this to be EOF if there is no debug info. */ |
| 102 | |
| 103 | unsigned char debugInfoOffset[4]; |
| 104 | |
| 105 | unsigned char numberOfDebugRecords[4]; |
| 106 | |
| 107 | unsigned char codeStartOffset[4]; |
| 108 | |
| 109 | unsigned char exitProcedureOffset[4]; |
| 110 | |
| 111 | unsigned char checkUnloadProcedureOffset[4]; |
| 112 | |
| 113 | unsigned char moduleType[4]; |
| 114 | |
| 115 | unsigned char flags[4]; |
| 116 | |
| 117 | } Nlm32_i386_External_Fixed_Header; |