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-rw-r--r--C/BraIA64.c57
1 files changed, 9 insertions, 48 deletions
diff --git a/C/BraIA64.c b/C/BraIA64.c
index d1dbc62..9dfe3e2 100644
--- a/C/BraIA64.c
+++ b/C/BraIA64.c
@@ -1,53 +1,14 @@
1/* BraIA64.c -- Converter for IA-64 code 1/* BraIA64.c -- Converter for IA-64 code
22017-01-26 : Igor Pavlov : Public domain */ 22023-02-20 : Igor Pavlov : Public domain */
3 3
4#include "Precomp.h" 4#include "Precomp.h"
5 5
6#include "CpuArch.h" 6// the code was moved to Bra.c
7#include "Bra.h"
8 7
9SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding) 8#ifdef _MSC_VER
10{ 9#pragma warning(disable : 4206) // nonstandard extension used : translation unit is empty
11 SizeT i; 10#endif
12 if (size < 16) 11
13 return 0; 12#if defined(__clang__)
14 size -= 16; 13#pragma GCC diagnostic ignored "-Wempty-translation-unit"
15 i = 0; 14#endif
16 do
17 {
18 unsigned m = ((UInt32)0x334B0000 >> (data[i] & 0x1E)) & 3;
19 if (m)
20 {
21 m++;
22 do
23 {
24 Byte *p = data + (i + (size_t)m * 5 - 8);
25 if (((p[3] >> m) & 15) == 5
26 && (((p[-1] | ((UInt32)p[0] << 8)) >> m) & 0x70) == 0)
27 {
28 unsigned raw = GetUi32(p);
29 unsigned v = raw >> m;
30 v = (v & 0xFFFFF) | ((v & (1 << 23)) >> 3);
31
32 v <<= 4;
33 if (encoding)
34 v += ip + (UInt32)i;
35 else
36 v -= ip + (UInt32)i;
37 v >>= 4;
38
39 v &= 0x1FFFFF;
40 v += 0x700000;
41 v &= 0x8FFFFF;
42 raw &= ~((UInt32)0x8FFFFF << m);
43 raw |= (v << m);
44 SetUi32(p, raw);
45 }
46 }
47 while (++m <= 4);
48 }
49 i += 16;
50 }
51 while (i <= size);
52 return i;
53}