aboutsummaryrefslogtreecommitdiff
path: root/bfd/nlmswap.h
blob: 3b2e3caeabd2d15e5fc9574a3fa0701d3e5ff74c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/* NLM (NetWare Loadable Module) swapping routines for BFD.
   Copyright (C) 1993-2015 Free Software Foundation, Inc.

   Written by Fred Fish @ Cygnus Support, using ELF support as the
   template.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */


/* Although this is a header file, it defines functions.  It is
   included by NLM backends to define swapping functions that vary
   from one NLM to another.  The backend code must arrange for
   Nlm_External_xxxx to be defined appropriately, and can then include
   this file to get the swapping routines.

   At the moment this is only needed for one structure, the fixed NLM
   file header.  */

/* Translate an NLM fixed length file header in external format into an NLM
   file header in internal format.  */

static void
nlm_swap_fixed_header_in (bfd *abfd,
			  void * realsrc,
			  Nlm_Internal_Fixed_Header *dst)
{
  Nlm_External_Fixed_Header *src = (Nlm_External_Fixed_Header *) realsrc;

  memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
  memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
  dst->version =
    H_GET_32 (abfd, src->version);
  dst->codeImageOffset =
    H_GET_32 (abfd, src->codeImageOffset);
  dst->codeImageSize =
    H_GET_32 (abfd, src->codeImageSize);
  dst->dataImageOffset =
    H_GET_32 (abfd, src->dataImageOffset);
  dst->dataImageSize =
    H_GET_32 (abfd, src->dataImageSize);
  dst->uninitializedDataSize =
    H_GET_32 (abfd, src->uninitializedDataSize);
  dst->customDataOffset =
    H_GET_32 (abfd, src->customDataOffset);
  dst->customDataSize =
    H_GET_32 (abfd, src->customDataSize);
  dst->moduleDependencyOffset =
    H_GET_32 (abfd, src->moduleDependencyOffset);
  dst->numberOfModuleDependencies =
    H_GET_32 (abfd, src->numberOfModuleDependencies);
  dst->relocationFixupOffset =
    H_GET_32 (abfd, src->relocationFixupOffset);
  dst->numberOfRelocationFixups =
    H_GET_32 (abfd, src->numberOfRelocationFixups);
  dst->externalReferencesOffset =
    H_GET_32 (abfd, src->externalReferencesOffset);
  dst->numberOfExternalReferences =
    H_GET_32 (abfd, src->numberOfExternalReferences);
  dst->publicsOffset =
    H_GET_32 (abfd, src->publicsOffset);
  dst->numberOfPublics =
    H_GET_32 (abfd, src->numberOfPublics);
  dst->debugInfoOffset =
    H_GET_32 (abfd, src->debugInfoOffset);
  dst->numberOfDebugRecords =
    H_GET_32 (abfd, src->numberOfDebugRecords);
  dst->codeStartOffset =
    H_GET_32 (abfd, src->codeStartOffset);
  dst->exitProcedureOffset =
    H_GET_32 (abfd, src->exitProcedureOffset);
  dst->checkUnloadProcedureOffset =
    H_GET_32 (abfd, src->checkUnloadProcedureOffset);
  dst->moduleType =
    H_GET_32 (abfd, src->moduleType);
  dst->flags =
    H_GET_32 (abfd, src->flags);
}

/* Translate an NLM fixed length file header in internal format into
   an NLM file header in external format.  */

static void
nlm_swap_fixed_header_out (bfd *abfd,
			   Nlm_Internal_Fixed_Header *src,
			   void * realdst)
{
  Nlm_External_Fixed_Header *dst = (Nlm_External_Fixed_Header *) realdst;

  memset (dst, 0, sizeof *dst);
  memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
  memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
  H_PUT_32 (abfd, src->version,
	    dst->version);
  H_PUT_32 (abfd, src->codeImageOffset,
	    dst->codeImageOffset);
  H_PUT_32 (abfd, src->codeImageSize,
	    dst->codeImageSize);
  H_PUT_32 (abfd, src->dataImageOffset,
	    dst->dataImageOffset);
  H_PUT_32 (abfd, src->dataImageSize,
	    dst->dataImageSize);
  H_PUT_32 (abfd, src->uninitializedDataSize,
	    dst->uninitializedDataSize);
  H_PUT_32 (abfd, src->customDataOffset,
	    dst->customDataOffset);
  H_PUT_32 (abfd, src->customDataSize,
	    dst->customDataSize);
  H_PUT_32 (abfd, src->moduleDependencyOffset,
	    dst->moduleDependencyOffset);
  H_PUT_32 (abfd, src->numberOfModuleDependencies,
	    dst->numberOfModuleDependencies);
  H_PUT_32 (abfd, src->relocationFixupOffset,
	    dst->relocationFixupOffset);
  H_PUT_32 (abfd, src->numberOfRelocationFixups,
	    dst->numberOfRelocationFixups);
  H_PUT_32 (abfd, src->externalReferencesOffset,
	    dst->externalReferencesOffset);
  H_PUT_32 (abfd, src->numberOfExternalReferences,
	    dst->numberOfExternalReferences);
  H_PUT_32 (abfd, src->publicsOffset,
	    dst->publicsOffset);
  H_PUT_32 (abfd, src->numberOfPublics,
	    dst->numberOfPublics);
  H_PUT_32 (abfd, src->debugInfoOffset,
	    dst->debugInfoOffset);
  H_PUT_32 (abfd, src->numberOfDebugRecords,
	    dst->numberOfDebugRecords);
  H_PUT_32 (abfd, src->codeStartOffset,
	    dst->codeStartOffset);
  H_PUT_32 (abfd, src->exitProcedureOffset,
	    dst->exitProcedureOffset);
  H_PUT_32 (abfd, src->checkUnloadProcedureOffset,
	    dst->checkUnloadProcedureOffset);
  H_PUT_32 (abfd, src->moduleType,
	    dst->moduleType);
  H_PUT_32 (abfd, src->flags,
	    dst->flags);
}