173 lines
5.2 KiB
C
173 lines
5.2 KiB
C
/* NLM (NetWare Loadable Module) support for BFD.
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Copyright (C) 1993-2014 Free Software Foundation, Inc.
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Written by Fred Fish @ Cygnus Support
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This file is part of NLM support for BFD, and contains the portions
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that describe how NLM is represented externally by the BFD library.
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I.E. it describes the in-file representation of NLM. It requires
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the nlm/common.h file which contains the portions that are common to
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both the internal and external representations.
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Note that an NLM header consists of three parts:
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(1) A fixed length header that has specific fields of known length,
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at specific offsets in the file.
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(2) A variable length header that has specific fields in a specific
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order, but some fields may be variable length.
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(3) A auxiliary header that has various optional fields in no specific
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order. There is no way to identify the end of the auxiliary headers
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except by finding a header without a recognized 'stamp'.
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The exact format of the fixed length header unfortunately varies
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from one NLM target to another, due to padding. Each target
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defines the correct external format in a separate header file. */
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/* NLM Header. */
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/* The version header is one of the optional auxiliary headers and
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follows the fixed length and variable length NLM headers. */
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typedef struct nlmNAME(external_version_header)
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{
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/* The header is recognized by "VeRsIoN#" in the stamp field. */
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char stamp[8];
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unsigned char majorVersion[NLM_TARGET_LONG_SIZE];
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unsigned char minorVersion[NLM_TARGET_LONG_SIZE];
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unsigned char revision[NLM_TARGET_LONG_SIZE];
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unsigned char year[NLM_TARGET_LONG_SIZE];
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unsigned char month[NLM_TARGET_LONG_SIZE];
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unsigned char day[NLM_TARGET_LONG_SIZE];
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} NlmNAME(External_Version_Header);
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typedef struct nlmNAME(external_copyright_header)
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{
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/* The header is recognized by "CoPyRiGhT=" in the stamp field. */
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char stamp[10];
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unsigned char copyrightMessageLength[1];
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/* There is a variable length field here called 'copyrightMessage'
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that is the length specified by copyrightMessageLength. */
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} NlmNAME(External_Copyright_Header);
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typedef struct nlmNAME(external_extended_header)
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{
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/* The header is recognized by "MeSsAgEs" in the stamp field. */
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char stamp[8];
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unsigned char languageID[NLM_TARGET_LONG_SIZE];
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unsigned char messageFileOffset[NLM_TARGET_LONG_SIZE];
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unsigned char messageFileLength[NLM_TARGET_LONG_SIZE];
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unsigned char messageCount[NLM_TARGET_LONG_SIZE];
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unsigned char helpFileOffset[NLM_TARGET_LONG_SIZE];
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unsigned char helpFileLength[NLM_TARGET_LONG_SIZE];
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unsigned char RPCDataOffset[NLM_TARGET_LONG_SIZE];
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unsigned char RPCDataLength[NLM_TARGET_LONG_SIZE];
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unsigned char sharedCodeOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedCodeLength[NLM_TARGET_LONG_SIZE];
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unsigned char sharedDataOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedDataLength[NLM_TARGET_LONG_SIZE];
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unsigned char sharedRelocationFixupOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedRelocationFixupCount[NLM_TARGET_LONG_SIZE];
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unsigned char sharedExternalReferenceOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedExternalReferenceCount[NLM_TARGET_LONG_SIZE];
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unsigned char sharedPublicsOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedPublicsCount[NLM_TARGET_LONG_SIZE];
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unsigned char sharedDebugRecordOffset[NLM_TARGET_LONG_SIZE];
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unsigned char sharedDebugRecordCount[NLM_TARGET_LONG_SIZE];
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unsigned char sharedInitializationOffset[NLM_TARGET_ADDRESS_SIZE];
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unsigned char SharedExitProcedureOffset[NLM_TARGET_ADDRESS_SIZE];
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unsigned char productID[NLM_TARGET_LONG_SIZE];
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unsigned char reserved0[NLM_TARGET_LONG_SIZE];
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unsigned char reserved1[NLM_TARGET_LONG_SIZE];
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unsigned char reserved2[NLM_TARGET_LONG_SIZE];
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unsigned char reserved3[NLM_TARGET_LONG_SIZE];
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unsigned char reserved4[NLM_TARGET_LONG_SIZE];
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unsigned char reserved5[NLM_TARGET_LONG_SIZE];
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} NlmNAME(External_Extended_Header);
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typedef struct nlmNAME(external_custom_header)
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{
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/* The header is recognized by "CuStHeAd" in the stamp field. */
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char stamp[8];
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/* Length of this header. */
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unsigned char length[NLM_TARGET_LONG_SIZE];
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/* Offset to data. */
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unsigned char dataOffset[NLM_TARGET_LONG_SIZE];
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/* Length of data. */
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unsigned char dataLength[NLM_TARGET_LONG_SIZE];
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/* Stamp for this customer header--we recognize "CyGnUsEx". */
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char dataStamp[8];
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} NlmNAME(External_Custom_Header);
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