| 1 | /* NLM (NetWare Loadable Module) swapping routines for BFD. |
| 2 | Copyright (C) 1993-2016 Free Software Foundation, Inc. |
| 3 | |
| 4 | Written by Fred Fish @ Cygnus Support, using ELF support as the |
| 5 | template. |
| 6 | |
| 7 | This file is part of BFD, the Binary File Descriptor library. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 22 | MA 02110-1301, USA. */ |
| 23 | |
| 24 | |
| 25 | /* Although this is a header file, it defines functions. It is |
| 26 | included by NLM backends to define swapping functions that vary |
| 27 | from one NLM to another. The backend code must arrange for |
| 28 | Nlm_External_xxxx to be defined appropriately, and can then include |
| 29 | this file to get the swapping routines. |
| 30 | |
| 31 | At the moment this is only needed for one structure, the fixed NLM |
| 32 | file header. */ |
| 33 | |
| 34 | /* Translate an NLM fixed length file header in external format into an NLM |
| 35 | file header in internal format. */ |
| 36 | |
| 37 | static void |
| 38 | nlm_swap_fixed_header_in (bfd *abfd, |
| 39 | void * realsrc, |
| 40 | Nlm_Internal_Fixed_Header *dst) |
| 41 | { |
| 42 | Nlm_External_Fixed_Header *src = (Nlm_External_Fixed_Header *) realsrc; |
| 43 | |
| 44 | memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE); |
| 45 | memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE); |
| 46 | dst->version = |
| 47 | H_GET_32 (abfd, src->version); |
| 48 | dst->codeImageOffset = |
| 49 | H_GET_32 (abfd, src->codeImageOffset); |
| 50 | dst->codeImageSize = |
| 51 | H_GET_32 (abfd, src->codeImageSize); |
| 52 | dst->dataImageOffset = |
| 53 | H_GET_32 (abfd, src->dataImageOffset); |
| 54 | dst->dataImageSize = |
| 55 | H_GET_32 (abfd, src->dataImageSize); |
| 56 | dst->uninitializedDataSize = |
| 57 | H_GET_32 (abfd, src->uninitializedDataSize); |
| 58 | dst->customDataOffset = |
| 59 | H_GET_32 (abfd, src->customDataOffset); |
| 60 | dst->customDataSize = |
| 61 | H_GET_32 (abfd, src->customDataSize); |
| 62 | dst->moduleDependencyOffset = |
| 63 | H_GET_32 (abfd, src->moduleDependencyOffset); |
| 64 | dst->numberOfModuleDependencies = |
| 65 | H_GET_32 (abfd, src->numberOfModuleDependencies); |
| 66 | dst->relocationFixupOffset = |
| 67 | H_GET_32 (abfd, src->relocationFixupOffset); |
| 68 | dst->numberOfRelocationFixups = |
| 69 | H_GET_32 (abfd, src->numberOfRelocationFixups); |
| 70 | dst->externalReferencesOffset = |
| 71 | H_GET_32 (abfd, src->externalReferencesOffset); |
| 72 | dst->numberOfExternalReferences = |
| 73 | H_GET_32 (abfd, src->numberOfExternalReferences); |
| 74 | dst->publicsOffset = |
| 75 | H_GET_32 (abfd, src->publicsOffset); |
| 76 | dst->numberOfPublics = |
| 77 | H_GET_32 (abfd, src->numberOfPublics); |
| 78 | dst->debugInfoOffset = |
| 79 | H_GET_32 (abfd, src->debugInfoOffset); |
| 80 | dst->numberOfDebugRecords = |
| 81 | H_GET_32 (abfd, src->numberOfDebugRecords); |
| 82 | dst->codeStartOffset = |
| 83 | H_GET_32 (abfd, src->codeStartOffset); |
| 84 | dst->exitProcedureOffset = |
| 85 | H_GET_32 (abfd, src->exitProcedureOffset); |
| 86 | dst->checkUnloadProcedureOffset = |
| 87 | H_GET_32 (abfd, src->checkUnloadProcedureOffset); |
| 88 | dst->moduleType = |
| 89 | H_GET_32 (abfd, src->moduleType); |
| 90 | dst->flags = |
| 91 | H_GET_32 (abfd, src->flags); |
| 92 | } |
| 93 | |
| 94 | /* Translate an NLM fixed length file header in internal format into |
| 95 | an NLM file header in external format. */ |
| 96 | |
| 97 | static void |
| 98 | nlm_swap_fixed_header_out (bfd *abfd, |
| 99 | Nlm_Internal_Fixed_Header *src, |
| 100 | void * realdst) |
| 101 | { |
| 102 | Nlm_External_Fixed_Header *dst = (Nlm_External_Fixed_Header *) realdst; |
| 103 | |
| 104 | memset (dst, 0, sizeof *dst); |
| 105 | memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE); |
| 106 | memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE); |
| 107 | H_PUT_32 (abfd, src->version, |
| 108 | dst->version); |
| 109 | H_PUT_32 (abfd, src->codeImageOffset, |
| 110 | dst->codeImageOffset); |
| 111 | H_PUT_32 (abfd, src->codeImageSize, |
| 112 | dst->codeImageSize); |
| 113 | H_PUT_32 (abfd, src->dataImageOffset, |
| 114 | dst->dataImageOffset); |
| 115 | H_PUT_32 (abfd, src->dataImageSize, |
| 116 | dst->dataImageSize); |
| 117 | H_PUT_32 (abfd, src->uninitializedDataSize, |
| 118 | dst->uninitializedDataSize); |
| 119 | H_PUT_32 (abfd, src->customDataOffset, |
| 120 | dst->customDataOffset); |
| 121 | H_PUT_32 (abfd, src->customDataSize, |
| 122 | dst->customDataSize); |
| 123 | H_PUT_32 (abfd, src->moduleDependencyOffset, |
| 124 | dst->moduleDependencyOffset); |
| 125 | H_PUT_32 (abfd, src->numberOfModuleDependencies, |
| 126 | dst->numberOfModuleDependencies); |
| 127 | H_PUT_32 (abfd, src->relocationFixupOffset, |
| 128 | dst->relocationFixupOffset); |
| 129 | H_PUT_32 (abfd, src->numberOfRelocationFixups, |
| 130 | dst->numberOfRelocationFixups); |
| 131 | H_PUT_32 (abfd, src->externalReferencesOffset, |
| 132 | dst->externalReferencesOffset); |
| 133 | H_PUT_32 (abfd, src->numberOfExternalReferences, |
| 134 | dst->numberOfExternalReferences); |
| 135 | H_PUT_32 (abfd, src->publicsOffset, |
| 136 | dst->publicsOffset); |
| 137 | H_PUT_32 (abfd, src->numberOfPublics, |
| 138 | dst->numberOfPublics); |
| 139 | H_PUT_32 (abfd, src->debugInfoOffset, |
| 140 | dst->debugInfoOffset); |
| 141 | H_PUT_32 (abfd, src->numberOfDebugRecords, |
| 142 | dst->numberOfDebugRecords); |
| 143 | H_PUT_32 (abfd, src->codeStartOffset, |
| 144 | dst->codeStartOffset); |
| 145 | H_PUT_32 (abfd, src->exitProcedureOffset, |
| 146 | dst->exitProcedureOffset); |
| 147 | H_PUT_32 (abfd, src->checkUnloadProcedureOffset, |
| 148 | dst->checkUnloadProcedureOffset); |
| 149 | H_PUT_32 (abfd, src->moduleType, |
| 150 | dst->moduleType); |
| 151 | H_PUT_32 (abfd, src->flags, |
| 152 | dst->flags); |
| 153 | } |