diff options
author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/lzmasdk/BraIA64.c | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/lzmasdk/BraIA64.c')
-rw-r--r-- | contrib/libs/lzmasdk/BraIA64.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/libs/lzmasdk/BraIA64.c b/contrib/libs/lzmasdk/BraIA64.c new file mode 100644 index 0000000000..2656907a0b --- /dev/null +++ b/contrib/libs/lzmasdk/BraIA64.c @@ -0,0 +1,53 @@ +/* BraIA64.c -- Converter for IA-64 code
+2017-01-26 : Igor Pavlov : Public domain */
+
+#include "Precomp.h"
+
+#include "CpuArch.h"
+#include "Bra.h"
+
+SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+ SizeT i;
+ if (size < 16)
+ return 0;
+ size -= 16;
+ i = 0;
+ do
+ {
+ unsigned m = ((UInt32)0x334B0000 >> (data[i] & 0x1E)) & 3;
+ if (m)
+ {
+ m++;
+ do
+ {
+ Byte *p = data + (i + (size_t)m * 5 - 8);
+ if (((p[3] >> m) & 15) == 5
+ && (((p[-1] | ((UInt32)p[0] << 8)) >> m) & 0x70) == 0)
+ {
+ unsigned raw = GetUi32(p);
+ unsigned v = raw >> m;
+ v = (v & 0xFFFFF) | ((v & (1 << 23)) >> 3);
+
+ v <<= 4;
+ if (encoding)
+ v += ip + (UInt32)i;
+ else
+ v -= ip + (UInt32)i;
+ v >>= 4;
+
+ v &= 0x1FFFFF;
+ v += 0x700000;
+ v &= 0x8FFFFF;
+ raw &= ~((UInt32)0x8FFFFF << m);
+ raw |= (v << m);
+ SetUi32(p, raw);
+ }
+ }
+ while (++m <= 4);
+ }
+ i += 16;
+ }
+ while (i <= size);
+ return i;
+}
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