diff options
Diffstat (limited to 'BaseTools/Source/C/LzmaCompress/Sdk/C/Bra86.c')
| -rw-r--r-- | BaseTools/Source/C/LzmaCompress/Sdk/C/Bra86.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/Bra86.c b/BaseTools/Source/C/LzmaCompress/Sdk/C/Bra86.c deleted file mode 100644 index 8dd3ed48d9..0000000000 --- a/BaseTools/Source/C/LzmaCompress/Sdk/C/Bra86.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Bra86.c -- Converter for x86 code (BCJ)
-2013-11-12 : Igor Pavlov : Public domain */
-
-#include "Precomp.h"
-
-#include "Bra.h"
-
-#define Test86MSByte(b) ((((b) + 1) & 0xFE) == 0)
-
-SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding)
-{
- SizeT pos = 0;
- UInt32 mask = *state & 7;
- if (size < 5)
- return 0;
- size -= 4;
- ip += 5;
-
- for (;;)
- {
- Byte *p = data + pos;
- const Byte *limit = data + size;
- for (; p < limit; p++)
- if ((*p & 0xFE) == 0xE8)
- break;
-
- {
- SizeT d = (SizeT)(p - data - pos);
- pos = (SizeT)(p - data);
- if (p >= limit)
- {
- *state = (d > 2 ? 0 : mask >> (unsigned)d);
- return pos;
- }
- if (d > 2)
- mask = 0;
- else
- {
- mask >>= (unsigned)d;
- if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(mask >> 1) + 1])))
- {
- mask = (mask >> 1) | 4;
- pos++;
- continue;
- }
- }
- }
-
- if (Test86MSByte(p[4]))
- {
- UInt32 v = ((UInt32)p[4] << 24) | ((UInt32)p[3] << 16) | ((UInt32)p[2] << 8) | ((UInt32)p[1]);
- UInt32 cur = ip + (UInt32)pos;
- pos += 5;
- if (encoding)
- v += cur;
- else
- v -= cur;
- if (mask != 0)
- {
- unsigned sh = (mask & 6) << 2;
- if (Test86MSByte((Byte)(v >> sh)))
- {
- v ^= (((UInt32)0x100 << sh) - 1);
- if (encoding)
- v += cur;
- else
- v -= cur;
- }
- mask = 0;
- }
- p[1] = (Byte)v;
- p[2] = (Byte)(v >> 8);
- p[3] = (Byte)(v >> 16);
- p[4] = (Byte)(0 - ((v >> 24) & 1));
- }
- else
- {
- mask = (mask >> 1) | 4;
- pos++;
- }
- }
-}
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