| 1 | /* NLM (NetWare Loadable Module) swapping routines for BFD.
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| 2 |    Copyright 1993, 2000 Free Software Foundation, Inc.
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| 3 | 
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| 4 |    Written by Fred Fish @ Cygnus Support, using ELF support as the
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| 5 |    template.
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| 6 | 
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| 7 | This file is part of BFD, the Binary File Descriptor library.
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| 8 | 
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| 9 | This program is free software; you can redistribute it and/or modify
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| 10 | it under the terms of the GNU General Public License as published by
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| 11 | the Free Software Foundation; either version 2 of the License, or
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| 12 | (at your option) any later version.
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| 13 | 
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| 14 | This program is distributed in the hope that it will be useful,
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| 17 | GNU General Public License for more details.
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| 18 | 
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| 19 | You should have received a copy of the GNU General Public License
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| 20 | along with this program; if not, write to the Free Software
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| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
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| 22 | 
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| 23 | /* Although this is a header file, it defines functions.  It is
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| 24 |    included by NLM backends to define swapping functions that vary
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| 25 |    from one NLM to another.  The backend code must arrange for
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| 26 |    Nlm_External_xxxx to be defined appropriately, and can then include
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| 27 |    this file to get the swapping routines.
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| 28 | 
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| 29 |    At the moment this is only needed for one structure, the fixed NLM
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| 30 |    file header.  */
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| 31 | 
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| 32 | static void nlm_swap_fixed_header_in PARAMS ((bfd *, PTR,
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| 33 |                                               Nlm_Internal_Fixed_Header *));
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| 34 | static void nlm_swap_fixed_header_out PARAMS ((bfd *,
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| 35 |                                                Nlm_Internal_Fixed_Header *,
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| 36 |                                                PTR));
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| 37 | 
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| 38 | /* Translate an NLM fixed length file header in external format into an NLM
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| 39 |    file header in internal format.  */
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| 40 | 
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| 41 | static void
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| 42 | nlm_swap_fixed_header_in (abfd, realsrc, dst)
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| 43 |      bfd *abfd;
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| 44 |      PTR realsrc;
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| 45 |      Nlm_Internal_Fixed_Header *dst;
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| 46 | {
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| 47 |   Nlm_External_Fixed_Header *src = (Nlm_External_Fixed_Header *) realsrc;
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| 48 |   memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
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| 49 |   memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
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| 50 |   dst->version =
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| 51 |     bfd_h_get_32 (abfd, (bfd_byte *) src->version);
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| 52 |   dst->codeImageOffset =
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| 53 |     bfd_h_get_32 (abfd, (bfd_byte *) src->codeImageOffset);
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| 54 |   dst->codeImageSize =
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| 55 |     bfd_h_get_32 (abfd, (bfd_byte *) src->codeImageSize);
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| 56 |   dst->dataImageOffset =
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| 57 |     bfd_h_get_32 (abfd, (bfd_byte *) src->dataImageOffset);
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| 58 |   dst->dataImageSize =
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| 59 |     bfd_h_get_32 (abfd, (bfd_byte *) src->dataImageSize);
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| 60 |   dst->uninitializedDataSize =
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| 61 |     bfd_h_get_32 (abfd, (bfd_byte *) src->uninitializedDataSize);
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| 62 |   dst->customDataOffset =
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| 63 |     bfd_h_get_32 (abfd, (bfd_byte *) src->customDataOffset);
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| 64 |   dst->customDataSize =
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| 65 |     bfd_h_get_32 (abfd, (bfd_byte *) src->customDataSize);
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| 66 |   dst->moduleDependencyOffset =
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| 67 |     bfd_h_get_32 (abfd, (bfd_byte *) src->moduleDependencyOffset);
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| 68 |   dst->numberOfModuleDependencies =
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| 69 |     bfd_h_get_32 (abfd, (bfd_byte *) src->numberOfModuleDependencies);
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| 70 |   dst->relocationFixupOffset =
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| 71 |     bfd_h_get_32 (abfd, (bfd_byte *) src->relocationFixupOffset);
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| 72 |   dst->numberOfRelocationFixups =
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| 73 |     bfd_h_get_32 (abfd, (bfd_byte *) src->numberOfRelocationFixups);
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| 74 |   dst->externalReferencesOffset =
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| 75 |     bfd_h_get_32 (abfd, (bfd_byte *) src->externalReferencesOffset);
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| 76 |   dst->numberOfExternalReferences =
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| 77 |     bfd_h_get_32 (abfd, (bfd_byte *) src->numberOfExternalReferences);
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| 78 |   dst->publicsOffset =
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| 79 |     bfd_h_get_32 (abfd, (bfd_byte *) src->publicsOffset);
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| 80 |   dst->numberOfPublics =
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| 81 |     bfd_h_get_32 (abfd, (bfd_byte *) src->numberOfPublics);
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| 82 |   dst->debugInfoOffset =
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| 83 |     bfd_h_get_32 (abfd, (bfd_byte *) src->debugInfoOffset);
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| 84 |   dst->numberOfDebugRecords =
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| 85 |     bfd_h_get_32 (abfd, (bfd_byte *) src->numberOfDebugRecords);
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| 86 |   dst->codeStartOffset =
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| 87 |     bfd_h_get_32 (abfd, (bfd_byte *) src->codeStartOffset);
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| 88 |   dst->exitProcedureOffset =
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| 89 |     bfd_h_get_32 (abfd, (bfd_byte *) src->exitProcedureOffset);
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| 90 |   dst->checkUnloadProcedureOffset =
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| 91 |     bfd_h_get_32 (abfd, (bfd_byte *) src->checkUnloadProcedureOffset);
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| 92 |   dst->moduleType =
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| 93 |     bfd_h_get_32 (abfd, (bfd_byte *) src->moduleType);
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| 94 |   dst->flags =
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| 95 |     bfd_h_get_32 (abfd, (bfd_byte *) src->flags);
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| 96 | }
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| 97 | 
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| 98 | /* Translate an NLM fixed length file header in internal format into
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| 99 |    an NLM file header in external format.  */
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| 100 | 
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| 101 | static void
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| 102 | nlm_swap_fixed_header_out (abfd, src, realdst)
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| 103 |      bfd *abfd;
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| 104 |      Nlm_Internal_Fixed_Header *src;
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| 105 |      PTR realdst;
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| 106 | {
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| 107 |   Nlm_External_Fixed_Header *dst = (Nlm_External_Fixed_Header *) realdst;
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| 108 |   memset (dst, 0, sizeof *dst);
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| 109 |   memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
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| 110 |   memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
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| 111 |   bfd_h_put_32 (abfd, (bfd_vma) src->version,
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| 112 |                 (bfd_byte *) dst->version);
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| 113 |   bfd_h_put_32 (abfd, (bfd_vma) src->codeImageOffset,
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| 114 |                 (bfd_byte *) dst->codeImageOffset);
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| 115 |   bfd_h_put_32 (abfd, (bfd_vma) src->codeImageSize,
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| 116 |                 (bfd_byte *) dst->codeImageSize);
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| 117 |   bfd_h_put_32 (abfd, (bfd_vma) src->dataImageOffset,
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| 118 |                 (bfd_byte *) dst->dataImageOffset);
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| 119 |   bfd_h_put_32 (abfd, (bfd_vma) src->dataImageSize,
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| 120 |                 (bfd_byte *) dst->dataImageSize);
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| 121 |   bfd_h_put_32 (abfd, (bfd_vma) src->uninitializedDataSize,
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| 122 |                 (bfd_byte *) dst->uninitializedDataSize);
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| 123 |   bfd_h_put_32 (abfd, (bfd_vma) src->customDataOffset,
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| 124 |                 (bfd_byte *) dst->customDataOffset);
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| 125 |   bfd_h_put_32 (abfd, (bfd_vma) src->customDataSize,
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| 126 |                 (bfd_byte *) dst->customDataSize);
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| 127 |   bfd_h_put_32 (abfd, (bfd_vma) src->moduleDependencyOffset,
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| 128 |                 (bfd_byte *) dst->moduleDependencyOffset);
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| 129 |   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfModuleDependencies,
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| 130 |                 (bfd_byte *) dst->numberOfModuleDependencies);
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| 131 |   bfd_h_put_32 (abfd, (bfd_vma) src->relocationFixupOffset,
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| 132 |                 (bfd_byte *) dst->relocationFixupOffset);
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| 133 |   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfRelocationFixups,
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| 134 |                 (bfd_byte *) dst->numberOfRelocationFixups);
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| 135 |   bfd_h_put_32 (abfd, (bfd_vma) src->externalReferencesOffset,
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| 136 |                 (bfd_byte *) dst->externalReferencesOffset);
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| 137 |   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfExternalReferences,
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| 138 |                 (bfd_byte *) dst->numberOfExternalReferences);
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| 139 |   bfd_h_put_32 (abfd, (bfd_vma) src->publicsOffset,
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| 140 |                 (bfd_byte *) dst->publicsOffset);
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| 141 |   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfPublics,
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| 142 |                 (bfd_byte *) dst->numberOfPublics);
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| 143 |   bfd_h_put_32 (abfd, (bfd_vma) src->debugInfoOffset,
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| 144 |                 (bfd_byte *) dst->debugInfoOffset);
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| 145 |   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfDebugRecords,
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| 146 |                 (bfd_byte *) dst->numberOfDebugRecords);
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| 147 |   bfd_h_put_32 (abfd, (bfd_vma) src->codeStartOffset,
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| 148 |                 (bfd_byte *) dst->codeStartOffset);
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| 149 |   bfd_h_put_32 (abfd, (bfd_vma) src->exitProcedureOffset,
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| 150 |                 (bfd_byte *) dst->exitProcedureOffset);
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| 151 |   bfd_h_put_32 (abfd, (bfd_vma) src->checkUnloadProcedureOffset,
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| 152 |                 (bfd_byte *) dst->checkUnloadProcedureOffset);
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| 153 |   bfd_h_put_32 (abfd, (bfd_vma) src->moduleType,
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| 154 |                 (bfd_byte *) dst->moduleType);
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| 155 |   bfd_h_put_32 (abfd, (bfd_vma) src->flags,
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| 156 |                 (bfd_byte *) dst->flags);
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| 157 | }
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