bfd/nlmswap.h

   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 }