1 /* NLM (NetWare Loadable Module) swapping routines for BFD.
2 Copyright (C) 1993-2014 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24
25 /* Although this is a header file, it defines functions. It is
26 included by NLM backends to define swapping functions that vary
27 from one NLM to another. The backend code must arrange for
28 Nlm_External_xxxx to be defined appropriately, and can then include
29 this file to get the swapping routines.
30
31 At the moment this is only needed for one structure, the fixed NLM
32 file header. */
33
34 /* Translate an NLM fixed length file header in external format into an NLM
35 file header in internal format. */
36
37 static void
nlm_swap_fixed_header_in(bfd * abfd,void * realsrc,Nlm_Internal_Fixed_Header * dst)38 nlm_swap_fixed_header_in (bfd *abfd,
39 void * realsrc,
40 Nlm_Internal_Fixed_Header *dst)
41 {
42 Nlm_External_Fixed_Header *src = (Nlm_External_Fixed_Header *) realsrc;
43
44 memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
45 memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
46 dst->version =
47 H_GET_32 (abfd, src->version);
48 dst->codeImageOffset =
49 H_GET_32 (abfd, src->codeImageOffset);
50 dst->codeImageSize =
51 H_GET_32 (abfd, src->codeImageSize);
52 dst->dataImageOffset =
53 H_GET_32 (abfd, src->dataImageOffset);
54 dst->dataImageSize =
55 H_GET_32 (abfd, src->dataImageSize);
56 dst->uninitializedDataSize =
57 H_GET_32 (abfd, src->uninitializedDataSize);
58 dst->customDataOffset =
59 H_GET_32 (abfd, src->customDataOffset);
60 dst->customDataSize =
61 H_GET_32 (abfd, src->customDataSize);
62 dst->moduleDependencyOffset =
63 H_GET_32 (abfd, src->moduleDependencyOffset);
64 dst->numberOfModuleDependencies =
65 H_GET_32 (abfd, src->numberOfModuleDependencies);
66 dst->relocationFixupOffset =
67 H_GET_32 (abfd, src->relocationFixupOffset);
68 dst->numberOfRelocationFixups =
69 H_GET_32 (abfd, src->numberOfRelocationFixups);
70 dst->externalReferencesOffset =
71 H_GET_32 (abfd, src->externalReferencesOffset);
72 dst->numberOfExternalReferences =
73 H_GET_32 (abfd, src->numberOfExternalReferences);
74 dst->publicsOffset =
75 H_GET_32 (abfd, src->publicsOffset);
76 dst->numberOfPublics =
77 H_GET_32 (abfd, src->numberOfPublics);
78 dst->debugInfoOffset =
79 H_GET_32 (abfd, src->debugInfoOffset);
80 dst->numberOfDebugRecords =
81 H_GET_32 (abfd, src->numberOfDebugRecords);
82 dst->codeStartOffset =
83 H_GET_32 (abfd, src->codeStartOffset);
84 dst->exitProcedureOffset =
85 H_GET_32 (abfd, src->exitProcedureOffset);
86 dst->checkUnloadProcedureOffset =
87 H_GET_32 (abfd, src->checkUnloadProcedureOffset);
88 dst->moduleType =
89 H_GET_32 (abfd, src->moduleType);
90 dst->flags =
91 H_GET_32 (abfd, src->flags);
92 }
93
94 /* Translate an NLM fixed length file header in internal format into
95 an NLM file header in external format. */
96
97 static void
nlm_swap_fixed_header_out(bfd * abfd,Nlm_Internal_Fixed_Header * src,void * realdst)98 nlm_swap_fixed_header_out (bfd *abfd,
99 Nlm_Internal_Fixed_Header *src,
100 void * realdst)
101 {
102 Nlm_External_Fixed_Header *dst = (Nlm_External_Fixed_Header *) realdst;
103
104 memset (dst, 0, sizeof *dst);
105 memcpy (dst->signature, src->signature, NLM_SIGNATURE_SIZE);
106 memcpy (dst->moduleName, src->moduleName, NLM_MODULE_NAME_SIZE);
107 H_PUT_32 (abfd, src->version,
108 dst->version);
109 H_PUT_32 (abfd, src->codeImageOffset,
110 dst->codeImageOffset);
111 H_PUT_32 (abfd, src->codeImageSize,
112 dst->codeImageSize);
113 H_PUT_32 (abfd, src->dataImageOffset,
114 dst->dataImageOffset);
115 H_PUT_32 (abfd, src->dataImageSize,
116 dst->dataImageSize);
117 H_PUT_32 (abfd, src->uninitializedDataSize,
118 dst->uninitializedDataSize);
119 H_PUT_32 (abfd, src->customDataOffset,
120 dst->customDataOffset);
121 H_PUT_32 (abfd, src->customDataSize,
122 dst->customDataSize);
123 H_PUT_32 (abfd, src->moduleDependencyOffset,
124 dst->moduleDependencyOffset);
125 H_PUT_32 (abfd, src->numberOfModuleDependencies,
126 dst->numberOfModuleDependencies);
127 H_PUT_32 (abfd, src->relocationFixupOffset,
128 dst->relocationFixupOffset);
129 H_PUT_32 (abfd, src->numberOfRelocationFixups,
130 dst->numberOfRelocationFixups);
131 H_PUT_32 (abfd, src->externalReferencesOffset,
132 dst->externalReferencesOffset);
133 H_PUT_32 (abfd, src->numberOfExternalReferences,
134 dst->numberOfExternalReferences);
135 H_PUT_32 (abfd, src->publicsOffset,
136 dst->publicsOffset);
137 H_PUT_32 (abfd, src->numberOfPublics,
138 dst->numberOfPublics);
139 H_PUT_32 (abfd, src->debugInfoOffset,
140 dst->debugInfoOffset);
141 H_PUT_32 (abfd, src->numberOfDebugRecords,
142 dst->numberOfDebugRecords);
143 H_PUT_32 (abfd, src->codeStartOffset,
144 dst->codeStartOffset);
145 H_PUT_32 (abfd, src->exitProcedureOffset,
146 dst->exitProcedureOffset);
147 H_PUT_32 (abfd, src->checkUnloadProcedureOffset,
148 dst->checkUnloadProcedureOffset);
149 H_PUT_32 (abfd, src->moduleType,
150 dst->moduleType);
151 H_PUT_32 (abfd, src->flags,
152 dst->flags);
153 }
154