root / lab4 / .minix-src / include / lzma / bcj.h @ 14
History | View | Annotate | Download (2.57 KB)
1 |
/**
|
---|---|
2 |
* \file lzma/bcj.h
|
3 |
* \brief Branch/Call/Jump conversion filters
|
4 |
*/
|
5 |
|
6 |
/*
|
7 |
* Author: Lasse Collin
|
8 |
*
|
9 |
* This file has been put into the public domain.
|
10 |
* You can do whatever you want with this file.
|
11 |
*
|
12 |
* See ../lzma.h for information about liblzma as a whole.
|
13 |
*/
|
14 |
|
15 |
#ifndef LZMA_H_INTERNAL
|
16 |
# error Never include this file directly. Use <lzma.h> instead.
|
17 |
#endif
|
18 |
|
19 |
|
20 |
/* Filter IDs for lzma_filter.id */
|
21 |
|
22 |
#define LZMA_FILTER_X86 LZMA_VLI_C(0x04) |
23 |
/**<
|
24 |
* Filter for x86 binaries
|
25 |
*/
|
26 |
|
27 |
#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05) |
28 |
/**<
|
29 |
* Filter for Big endian PowerPC binaries
|
30 |
*/
|
31 |
|
32 |
#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06) |
33 |
/**<
|
34 |
* Filter for IA-64 (Itanium) binaries.
|
35 |
*/
|
36 |
|
37 |
#define LZMA_FILTER_ARM LZMA_VLI_C(0x07) |
38 |
/**<
|
39 |
* Filter for ARM binaries.
|
40 |
*/
|
41 |
|
42 |
#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08) |
43 |
/**<
|
44 |
* Filter for ARM-Thumb binaries.
|
45 |
*/
|
46 |
|
47 |
#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09) |
48 |
/**<
|
49 |
* Filter for SPARC binaries.
|
50 |
*/
|
51 |
|
52 |
|
53 |
/**
|
54 |
* \brief Options for BCJ filters
|
55 |
*
|
56 |
* The BCJ filters never change the size of the data. Specifying options
|
57 |
* for them is optional: if pointer to options is NULL, default value is
|
58 |
* used. You probably never need to specify options to BCJ filters, so just
|
59 |
* set the options pointer to NULL and be happy.
|
60 |
*
|
61 |
* If options with non-default values have been specified when encoding,
|
62 |
* the same options must also be specified when decoding.
|
63 |
*
|
64 |
* \note At the moment, none of the BCJ filters support
|
65 |
* LZMA_SYNC_FLUSH. If LZMA_SYNC_FLUSH is specified,
|
66 |
* LZMA_OPTIONS_ERROR will be returned. If there is need,
|
67 |
* partial support for LZMA_SYNC_FLUSH can be added in future.
|
68 |
* Partial means that flushing would be possible only at
|
69 |
* offsets that are multiple of 2, 4, or 16 depending on
|
70 |
* the filter, except x86 which cannot be made to support
|
71 |
* LZMA_SYNC_FLUSH predictably.
|
72 |
*/
|
73 |
typedef struct { |
74 |
/**
|
75 |
* \brief Start offset for conversions
|
76 |
*
|
77 |
* This setting is useful only when the same filter is used
|
78 |
* _separately_ for multiple sections of the same executable file,
|
79 |
* and the sections contain cross-section branch/call/jump
|
80 |
* instructions. In that case it is beneficial to set the start
|
81 |
* offset of the non-first sections so that the relative addresses
|
82 |
* of the cross-section branch/call/jump instructions will use the
|
83 |
* same absolute addresses as in the first section.
|
84 |
*
|
85 |
* When the pointer to options is NULL, the default value (zero)
|
86 |
* is used.
|
87 |
*/
|
88 |
uint32_t start_offset; |
89 |
|
90 |
} lzma_options_bcj; |