OLD | NEW |
1 /////////////////////////////////////////////////////////////////////////////// | 1 /////////////////////////////////////////////////////////////////////////////// |
2 // | 2 // |
3 /// \file armthumb.c | 3 /// \file armthumb.c |
4 /// \brief Filter for ARM-Thumb binaries | 4 /// \brief Filter for ARM-Thumb binaries |
5 /// | 5 /// |
6 // Authors: Igor Pavlov | 6 // Authors: Igor Pavlov |
7 // Lasse Collin | 7 // Lasse Collin |
8 // | 8 // |
9 // This file has been put into the public domain. | 9 // This file has been put into the public domain. |
10 // You can do whatever you want with this file. | 10 // You can do whatever you want with this file. |
11 // | 11 // |
12 /////////////////////////////////////////////////////////////////////////////// | 12 /////////////////////////////////////////////////////////////////////////////// |
13 | 13 |
14 #include "simple_private.h" | 14 #include "simple_private.h" |
15 | 15 |
16 | 16 |
17 static size_t | 17 static size_t |
18 armthumb_code(lzma_simple *simple lzma_attribute((unused)), | 18 armthumb_code(lzma_simple *simple lzma_attribute((__unused__)), |
19 uint32_t now_pos, bool is_encoder, | 19 uint32_t now_pos, bool is_encoder, |
20 uint8_t *buffer, size_t size) | 20 uint8_t *buffer, size_t size) |
21 { | 21 { |
22 size_t i; | 22 size_t i; |
23 for (i = 0; i + 4 <= size; i += 2) { | 23 for (i = 0; i + 4 <= size; i += 2) { |
24 if ((buffer[i + 1] & 0xF8) == 0xF0 | 24 if ((buffer[i + 1] & 0xF8) == 0xF0 |
25 && (buffer[i + 3] & 0xF8) == 0xF8) { | 25 && (buffer[i + 3] & 0xF8) == 0xF8) { |
26 uint32_t src = ((buffer[i + 1] & 0x7) << 19) | 26 uint32_t src = ((buffer[i + 1] & 0x7) << 19) |
27 | (buffer[i + 0] << 11) | 27 | (buffer[i + 0] << 11) |
28 | ((buffer[i + 3] & 0x7) << 8) | 28 | ((buffer[i + 3] & 0x7) << 8) |
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
65 return armthumb_coder_init(next, allocator, filters, true); | 65 return armthumb_coder_init(next, allocator, filters, true); |
66 } | 66 } |
67 | 67 |
68 | 68 |
69 extern lzma_ret | 69 extern lzma_ret |
70 lzma_simple_armthumb_decoder_init(lzma_next_coder *next, | 70 lzma_simple_armthumb_decoder_init(lzma_next_coder *next, |
71 lzma_allocator *allocator, const lzma_filter_info *filters) | 71 lzma_allocator *allocator, const lzma_filter_info *filters) |
72 { | 72 { |
73 return armthumb_coder_init(next, allocator, filters, false); | 73 return armthumb_coder_init(next, allocator, filters, false); |
74 } | 74 } |
OLD | NEW |