1 /* i386 NLM (NetWare Loadable Module) support for BFD. 2 Copyright (C) 1993-2014 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; 118