'21.07'21.07

1 files changed, 53 insertions, 0 deletions

diff --git a/C/BraIA64.c b/C/BraIA64.c
new file mode 100644
index 0000000..d1dbc62
--- /dev/null
+++ b/C/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;
+}