mirror of https://git.tukaani.org/xz.git
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
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/**
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* \file lzma/simple.h
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* \brief So called "simple" filters
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*
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* \author Copyright (C) 1999-2006 Igor Pavlov
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* \author Copyright (C) 2007 Lasse Collin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*/
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#ifndef LZMA_H_INTERNAL
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# error Never include this file directly. Use <lzma.h> instead.
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#endif
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/* Filter IDs for lzma_options_filter.id */
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#define LZMA_FILTER_X86 LZMA_VLI_C(0x04)
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/**<
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* BCJ (Branch, Call, Jump) filter for x86 binaries
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*/
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#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05)
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/**<
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* Filter for Big endian PowerPC binaries
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*/
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#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06)
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/**<
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* Filter for IA64 (Itanium) binaries.
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*/
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#define LZMA_FILTER_ARM LZMA_VLI_C(0x07)
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/**<
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* Filter for ARM binaries.
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*/
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#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08)
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/**<
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* Filter for ARMThumb binaries.
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*/
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#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09)
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/**<
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* Filter for SPARC binaries.
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*/
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/**
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* \brief Options for so called "simple" filters
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*
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* The simple filters never change the size of the data. Specifying options
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* for them is optional: if pointer to options is NULL, default values are
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* used. You probably never need to specify these options, so just set the
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* options pointer to NULL and be happy.
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*
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* If options with non-default values have been specified when encoding,
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* the same options must also be specified when decoding.
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*/
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typedef struct {
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/**
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* \brief Start offset for branch conversions
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*
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* This setting is useful only when the same filter is used
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* _separately_ for multiple sections of the same executable file,
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* and the sections contain cross-section branch/call/jump
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* instructions. In that case it is benefical to set the start
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* offset of the non-first sections so that the relative addresses
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* of the cross-section branch/call/jump instructions will use the
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* same absolute addresses as in the first section.
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*
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* When the pointer to options is NULL, the default value is used.
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* The default value is zero.
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*/
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uint32_t start_offset;
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} lzma_options_simple;
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