| 1 | /* NLM (NetWare Loadable Module) swapping routines for BFD. |
| 2 | Copyright (C) 1993 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 22 | |
| 23 | /* Although this is a header file, it defines functions. It is |
| 24 | included by NLM backends to define swapping functions that vary |
| 25 | from one NLM to another. The backend code must arrange for |
| 26 | Nlm_External_xxxx to be defined appropriately, and can then include |
| 27 | this file to get the swapping routines. |
| 28 | |
| 29 | At the moment this is only needed for one structure, the fixed NLM |
| 30 | file header. */ |
| 31 | |
| 32 | static void nlm_swap_fixed_header_in PARAMS ((bfd *, PTR, |
| 33 | Nlm_Internal_Fixed_Header *)); |
| 34 | static void nlm_swap_fixed_header_out PARAMS ((bfd *, |
| 35 | Nlm_Internal_Fixed_Header *, |
| 36 | PTR)); |
| 37 | |
| 38 | /* Translate an NLM fixed length file header in external format into an NLM |
| 39 | file header in internal format. */ |
| 40 | |
| 41 | static void |
| 42 | DEFUN (nlm_swap_fixed_header_in, (abfd, realsrc, dst), |
| 43 | bfd * abfd AND |
| 44 | PTR realsrc AND |
| 45 | Nlm_Internal_Fixed_Header * dst) |
| 46 | { |
| 47 | Nlm_External_Fixed_Header *src = (Nlm_External_Fixed_Header*)realsrc; |
| 48 | memcpy (dst -> signature, src -> signature, NLM_SIGNATURE_SIZE); |
| 49 | memcpy (dst -> moduleName, src -> moduleName, NLM_MODULE_NAME_SIZE); |
| 50 | dst -> version = |
| 51 | bfd_h_get_32 (abfd, (bfd_byte *) src -> version); |
| 52 | dst -> codeImageOffset = |
| 53 | bfd_h_get_32 (abfd, (bfd_byte *) src -> codeImageOffset); |
| 54 | dst -> codeImageSize = |
| 55 | bfd_h_get_32 (abfd, (bfd_byte *) src -> codeImageSize); |
| 56 | dst -> dataImageOffset = |
| 57 | bfd_h_get_32 (abfd, (bfd_byte *) src -> dataImageOffset); |
| 58 | dst -> dataImageSize = |
| 59 | bfd_h_get_32 (abfd, (bfd_byte *) src -> dataImageSize); |
| 60 | dst -> uninitializedDataSize = |
| 61 | bfd_h_get_32 (abfd, (bfd_byte *) src -> uninitializedDataSize); |
| 62 | dst -> customDataOffset = |
| 63 | bfd_h_get_32 (abfd, (bfd_byte *) src -> customDataOffset); |
| 64 | dst -> customDataSize = |
| 65 | bfd_h_get_32 (abfd, (bfd_byte *) src -> customDataSize); |
| 66 | dst -> moduleDependencyOffset = |
| 67 | bfd_h_get_32 (abfd, (bfd_byte *) src -> moduleDependencyOffset); |
| 68 | dst -> numberOfModuleDependencies = |
| 69 | bfd_h_get_32 (abfd, (bfd_byte *) src -> numberOfModuleDependencies); |
| 70 | dst -> relocationFixupOffset = |
| 71 | bfd_h_get_32 (abfd, (bfd_byte *) src -> relocationFixupOffset); |
| 72 | dst -> numberOfRelocationFixups = |
| 73 | bfd_h_get_32 (abfd, (bfd_byte *) src -> numberOfRelocationFixups); |
| 74 | dst -> externalReferencesOffset = |
| 75 | bfd_h_get_32 (abfd, (bfd_byte *) src -> externalReferencesOffset); |
| 76 | dst -> numberOfExternalReferences = |
| 77 | bfd_h_get_32 (abfd, (bfd_byte *) src -> numberOfExternalReferences); |
| 78 | dst -> publicsOffset = |
| 79 | bfd_h_get_32 (abfd, (bfd_byte *) src -> publicsOffset); |
| 80 | dst -> numberOfPublics = |
| 81 | bfd_h_get_32 (abfd, (bfd_byte *) src -> numberOfPublics); |
| 82 | dst -> debugInfoOffset = |
| 83 | bfd_h_get_32 (abfd, (bfd_byte *) src -> debugInfoOffset); |
| 84 | dst -> numberOfDebugRecords = |
| 85 | bfd_h_get_32 (abfd, (bfd_byte *) src -> numberOfDebugRecords); |
| 86 | dst -> codeStartOffset = |
| 87 | bfd_h_get_32 (abfd, (bfd_byte *) src -> codeStartOffset); |
| 88 | dst -> exitProcedureOffset = |
| 89 | bfd_h_get_32 (abfd, (bfd_byte *) src -> exitProcedureOffset); |
| 90 | dst -> checkUnloadProcedureOffset = |
| 91 | bfd_h_get_32 (abfd, (bfd_byte *) src -> checkUnloadProcedureOffset); |
| 92 | dst -> moduleType = |
| 93 | bfd_h_get_32 (abfd, (bfd_byte *) src -> moduleType); |
| 94 | dst -> flags = |
| 95 | bfd_h_get_32 (abfd, (bfd_byte *) src -> flags); |
| 96 | } |
| 97 | |
| 98 | /* Translate an NLM fixed length file header in internal format into |
| 99 | an NLM file header in external format. */ |
| 100 | |
| 101 | static void |
| 102 | DEFUN (nlm_swap_fixed_header_out, (abfd, src, realdst), |
| 103 | bfd * abfd AND |
| 104 | Nlm_Internal_Fixed_Header * src AND |
| 105 | PTR realdst) |
| 106 | { |
| 107 | Nlm_External_Fixed_Header * dst = (Nlm_External_Fixed_Header*)realdst; |
| 108 | memcpy (dst -> signature, src -> signature, NLM_SIGNATURE_SIZE); |
| 109 | memcpy (dst -> moduleName, src -> moduleName, NLM_MODULE_NAME_SIZE); |
| 110 | bfd_h_put_32 (abfd, (bfd_vma) src -> version, |
| 111 | (bfd_byte *) dst -> version); |
| 112 | bfd_h_put_32 (abfd, (bfd_vma) src -> codeImageOffset, |
| 113 | (bfd_byte *) dst -> codeImageOffset); |
| 114 | bfd_h_put_32 (abfd, (bfd_vma) src -> codeImageSize, |
| 115 | (bfd_byte *) dst -> codeImageSize); |
| 116 | bfd_h_put_32 (abfd, (bfd_vma) src -> dataImageOffset, |
| 117 | (bfd_byte *) dst -> dataImageOffset); |
| 118 | bfd_h_put_32 (abfd, (bfd_vma) src -> dataImageSize, |
| 119 | (bfd_byte *) dst -> dataImageSize); |
| 120 | bfd_h_put_32 (abfd, (bfd_vma) src -> uninitializedDataSize, |
| 121 | (bfd_byte *) dst -> uninitializedDataSize); |
| 122 | bfd_h_put_32 (abfd, (bfd_vma) src -> customDataOffset, |
| 123 | (bfd_byte *) dst -> customDataOffset); |
| 124 | bfd_h_put_32 (abfd, (bfd_vma) src -> customDataSize, |
| 125 | (bfd_byte *) dst -> customDataSize); |
| 126 | bfd_h_put_32 (abfd, (bfd_vma) src -> moduleDependencyOffset, |
| 127 | (bfd_byte *) dst -> moduleDependencyOffset); |
| 128 | bfd_h_put_32 (abfd, (bfd_vma) src -> numberOfModuleDependencies, |
| 129 | (bfd_byte *) dst -> numberOfModuleDependencies); |
| 130 | bfd_h_put_32 (abfd, (bfd_vma) src -> relocationFixupOffset, |
| 131 | (bfd_byte *) dst -> relocationFixupOffset); |
| 132 | bfd_h_put_32 (abfd, (bfd_vma) src -> numberOfRelocationFixups, |
| 133 | (bfd_byte *) dst -> numberOfRelocationFixups); |
| 134 | bfd_h_put_32 (abfd, (bfd_vma) src -> externalReferencesOffset, |
| 135 | (bfd_byte *) dst -> externalReferencesOffset); |
| 136 | bfd_h_put_32 (abfd, (bfd_vma) src -> numberOfExternalReferences, |
| 137 | (bfd_byte *) dst -> numberOfExternalReferences); |
| 138 | bfd_h_put_32 (abfd, (bfd_vma) src -> publicsOffset, |
| 139 | (bfd_byte *) dst -> publicsOffset); |
| 140 | bfd_h_put_32 (abfd, (bfd_vma) src -> numberOfPublics, |
| 141 | (bfd_byte *) dst -> numberOfPublics); |
| 142 | bfd_h_put_32 (abfd, (bfd_vma) src -> debugInfoOffset, |
| 143 | (bfd_byte *) dst -> debugInfoOffset); |
| 144 | bfd_h_put_32 (abfd, (bfd_vma) src -> numberOfDebugRecords, |
| 145 | (bfd_byte *) dst -> numberOfDebugRecords); |
| 146 | bfd_h_put_32 (abfd, (bfd_vma) src -> codeStartOffset, |
| 147 | (bfd_byte *) dst -> codeStartOffset); |
| 148 | bfd_h_put_32 (abfd, (bfd_vma) src -> exitProcedureOffset, |
| 149 | (bfd_byte *) dst -> exitProcedureOffset); |
| 150 | bfd_h_put_32 (abfd, (bfd_vma) src -> checkUnloadProcedureOffset, |
| 151 | (bfd_byte *) dst -> checkUnloadProcedureOffset); |
| 152 | bfd_h_put_32 (abfd, (bfd_vma) src -> moduleType, |
| 153 | (bfd_byte *) dst -> moduleType); |
| 154 | bfd_h_put_32 (abfd, (bfd_vma) src -> flags, |
| 155 | (bfd_byte *) dst -> flags); |
| 156 | } |