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/* NLM (NetWare Loadable Module) support for BFD.
Copyright (C) 1993-2017 Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support
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. */
/* This file is part of NLM support for BFD, and contains the portions
that describe how NLM is represented externally by the BFD library.
I.E. it describes the in-file representation of NLM. It requires
the nlm/common.h file which contains the portions that are common to
both the internal and external representations.
Note that an NLM header consists of three parts:
(1) A fixed length header that has specific fields of known length,
at specific offsets in the file.
(2) A variable length header that has specific fields in a specific
order, but some fields may be variable length.
(3) A auxiliary header that has various optional fields in no specific
order. There is no way to identify the end of the auxiliary headers
except by finding a header without a recognized 'stamp'.
The exact format of the fixed length header unfortunately varies
from one NLM target to another, due to padding. Each target
defines the correct external format in a separate header file. */
/* NLM Header. */
/* The version header is one of the optional auxiliary headers and
follows the fixed length and variable length NLM headers. */
typedef struct nlmNAME(external_version_header)
{
/* The header is recognized by "VeRsIoN#" in the stamp field. */
char stamp[8];
unsigned char majorVersion[NLM_TARGET_LONG_SIZE];
unsigned char minorVersion[NLM_TARGET_LONG_SIZE];
unsigned char revision[NLM_TARGET_LONG_SIZE];
unsigned char year[NLM_TARGET_LONG_SIZE];
unsigned char month[NLM_TARGET_LONG_SIZE];
unsigned char day[NLM_TARGET_LONG_SIZE];
} NlmNAME(External_Version_Header);
typedef struct nlmNAME(external_copyright_header)
{
/* The header is recognized by "CoPyRiGhT=" in the stamp field. */
char stamp[10];
unsigned char copyrightMessageLength[1];
/* There is a variable length field here called 'copyrightMessage'
that is the length specified by copyrightMessageLength. */
} NlmNAME(External_Copyright_Header);
typedef struct nlmNAME(external_extended_header)
{
/* The header is recognized by "MeSsAgEs" in the stamp field. */
char stamp[8];
unsigned char languageID[NLM_TARGET_LONG_SIZE];
unsigned char messageFileOffset[NLM_TARGET_LONG_SIZE];
unsigned char messageFileLength[NLM_TARGET_LONG_SIZE];
unsigned char messageCount[NLM_TARGET_LONG_SIZE];
unsigned char helpFileOffset[NLM_TARGET_LONG_SIZE];
unsigned char helpFileLength[NLM_TARGET_LONG_SIZE];
unsigned char RPCDataOffset[NLM_TARGET_LONG_SIZE];
unsigned char RPCDataLength[NLM_TARGET_LONG_SIZE];
unsigned char sharedCodeOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedCodeLength[NLM_TARGET_LONG_SIZE];
unsigned char sharedDataOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedDataLength[NLM_TARGET_LONG_SIZE];
unsigned char sharedRelocationFixupOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedRelocationFixupCount[NLM_TARGET_LONG_SIZE];
unsigned char sharedExternalReferenceOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedExternalReferenceCount[NLM_TARGET_LONG_SIZE];
unsigned char sharedPublicsOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedPublicsCount[NLM_TARGET_LONG_SIZE];
unsigned char sharedDebugRecordOffset[NLM_TARGET_LONG_SIZE];
unsigned char sharedDebugRecordCount[NLM_TARGET_LONG_SIZE];
unsigned char sharedInitializationOffset[NLM_TARGET_ADDRESS_SIZE];
unsigned char SharedExitProcedureOffset[NLM_TARGET_ADDRESS_SIZE];
unsigned char productID[NLM_TARGET_LONG_SIZE];
unsigned char reserved0[NLM_TARGET_LONG_SIZE];
unsigned char reserved1[NLM_TARGET_LONG_SIZE];
unsigned char reserved2[NLM_TARGET_LONG_SIZE];
unsigned char reserved3[NLM_TARGET_LONG_SIZE];
unsigned char reserved4[NLM_TARGET_LONG_SIZE];
unsigned char reserved5[NLM_TARGET_LONG_SIZE];
} NlmNAME(External_Extended_Header);
typedef struct nlmNAME(external_custom_header)
{
/* The header is recognized by "CuStHeAd" in the stamp field. */
char stamp[8];
/* Length of this header. */
unsigned char length[NLM_TARGET_LONG_SIZE];
/* Offset to data. */
unsigned char dataOffset[NLM_TARGET_LONG_SIZE];
/* Length of data. */
unsigned char dataLength[NLM_TARGET_LONG_SIZE];
/* Stamp for this customer header--we recognize "CyGnUsEx". */
char dataStamp[8];
} NlmNAME(External_Custom_Header);
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