bfd/nlmswap.h

   1 /* NLM (NetWare Loadable Module) swapping routines for BFD.
   2    Copyright 1993, 2000 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 nlm_swap_fixed_header_in (abfd, realsrc, dst)
  43      bfd *abfd;
  44      PTR realsrc;
  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 nlm_swap_fixed_header_out (abfd, src, realdst)
 103      bfd *abfd;
 104      Nlm_Internal_Fixed_Header *src;
 105      PTR realdst;
 106 {
 107   Nlm_External_Fixed_Header *dst = (Nlm_External_Fixed_Header *) realdst;
 108   memset (dst, 0, sizeof *dst);
 109   memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
 110   memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
 111   bfd_h_put_32 (abfd, (bfd_vma) src->version,
 112                 (bfd_byte *) dst->version);
 113   bfd_h_put_32 (abfd, (bfd_vma) src->codeImageOffset,
 114                 (bfd_byte *) dst->codeImageOffset);
 115   bfd_h_put_32 (abfd, (bfd_vma) src->codeImageSize,
 116                 (bfd_byte *) dst->codeImageSize);
 117   bfd_h_put_32 (abfd, (bfd_vma) src->dataImageOffset,
 118                 (bfd_byte *) dst->dataImageOffset);
 119   bfd_h_put_32 (abfd, (bfd_vma) src->dataImageSize,
 120                 (bfd_byte *) dst->dataImageSize);
 121   bfd_h_put_32 (abfd, (bfd_vma) src->uninitializedDataSize,
 122                 (bfd_byte *) dst->uninitializedDataSize);
 123   bfd_h_put_32 (abfd, (bfd_vma) src->customDataOffset,
 124                 (bfd_byte *) dst->customDataOffset);
 125   bfd_h_put_32 (abfd, (bfd_vma) src->customDataSize,
 126                 (bfd_byte *) dst->customDataSize);
 127   bfd_h_put_32 (abfd, (bfd_vma) src->moduleDependencyOffset,
 128                 (bfd_byte *) dst->moduleDependencyOffset);
 129   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfModuleDependencies,
 130                 (bfd_byte *) dst->numberOfModuleDependencies);
 131   bfd_h_put_32 (abfd, (bfd_vma) src->relocationFixupOffset,
 132                 (bfd_byte *) dst->relocationFixupOffset);
 133   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfRelocationFixups,
 134                 (bfd_byte *) dst->numberOfRelocationFixups);
 135   bfd_h_put_32 (abfd, (bfd_vma) src->externalReferencesOffset,
 136                 (bfd_byte *) dst->externalReferencesOffset);
 137   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfExternalReferences,
 138                 (bfd_byte *) dst->numberOfExternalReferences);
 139   bfd_h_put_32 (abfd, (bfd_vma) src->publicsOffset,
 140                 (bfd_byte *) dst->publicsOffset);
 141   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfPublics,
 142                 (bfd_byte *) dst->numberOfPublics);
 143   bfd_h_put_32 (abfd, (bfd_vma) src->debugInfoOffset,
 144                 (bfd_byte *) dst->debugInfoOffset);
 145   bfd_h_put_32 (abfd, (bfd_vma) src->numberOfDebugRecords,
 146                 (bfd_byte *) dst->numberOfDebugRecords);
 147   bfd_h_put_32 (abfd, (bfd_vma) src->codeStartOffset,
 148                 (bfd_byte *) dst->codeStartOffset);
 149   bfd_h_put_32 (abfd, (bfd_vma) src->exitProcedureOffset,
 150                 (bfd_byte *) dst->exitProcedureOffset);
 151   bfd_h_put_32 (abfd, (bfd_vma) src->checkUnloadProcedureOffset,
 152                 (bfd_byte *) dst->checkUnloadProcedureOffset);
 153   bfd_h_put_32 (abfd, (bfd_vma) src->moduleType,
 154                 (bfd_byte *) dst->moduleType);
 155   bfd_h_put_32 (abfd, (bfd_vma) src->flags,
 156                 (bfd_byte *) dst->flags);
 157 }