Lightly modified commit of lzma sdk version 9.20.

The only change from stock lzma sdk is the removal of two
.exe files, which we don't need.

Change-Id: I46287cbc416161e93b449761ebe531acd758cf95
diff --git a/C/Bra.c b/C/Bra.c
new file mode 100755
index 0000000..2a0f147
--- /dev/null
+++ b/C/Bra.c
@@ -0,0 +1,133 @@
+/* Bra.c -- Converters for RISC code

+2010-04-16 : Igor Pavlov : Public domain */

+

+#include "Bra.h"

+

+SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)

+{

+  SizeT i;

+  if (size < 4)

+    return 0;

+  size -= 4;

+  ip += 8;

+  for (i = 0; i <= size; i += 4)

+  {

+    if (data[i + 3] == 0xEB)

+    {

+      UInt32 dest;

+      UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]);

+      src <<= 2;

+      if (encoding)

+        dest = ip + (UInt32)i + src;

+      else

+        dest = src - (ip + (UInt32)i);

+      dest >>= 2;

+      data[i + 2] = (Byte)(dest >> 16);

+      data[i + 1] = (Byte)(dest >> 8);

+      data[i + 0] = (Byte)dest;

+    }

+  }

+  return i;

+}

+

+SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)

+{

+  SizeT i;

+  if (size < 4)

+    return 0;

+  size -= 4;

+  ip += 4;

+  for (i = 0; i <= size; i += 2)

+  {

+    if ((data[i + 1] & 0xF8) == 0xF0 &&

+        (data[i + 3] & 0xF8) == 0xF8)

+    {

+      UInt32 dest;

+      UInt32 src =

+        (((UInt32)data[i + 1] & 0x7) << 19) |

+        ((UInt32)data[i + 0] << 11) |

+        (((UInt32)data[i + 3] & 0x7) << 8) |

+        (data[i + 2]);

+      

+      src <<= 1;

+      if (encoding)

+        dest = ip + (UInt32)i + src;

+      else

+        dest = src - (ip + (UInt32)i);

+      dest >>= 1;

+      

+      data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));

+      data[i + 0] = (Byte)(dest >> 11);

+      data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));

+      data[i + 2] = (Byte)dest;

+      i += 2;

+    }

+  }

+  return i;

+}

+

+SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)

+{

+  SizeT i;

+  if (size < 4)

+    return 0;

+  size -= 4;

+  for (i = 0; i <= size; i += 4)

+  {

+    if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1)

+    {

+      UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) |

+        ((UInt32)data[i + 1] << 16) |

+        ((UInt32)data[i + 2] << 8) |

+        ((UInt32)data[i + 3] & (~3));

+      

+      UInt32 dest;

+      if (encoding)

+        dest = ip + (UInt32)i + src;

+      else

+        dest = src - (ip + (UInt32)i);

+      data[i + 0] = (Byte)(0x48 | ((dest >> 24) &  0x3));

+      data[i + 1] = (Byte)(dest >> 16);

+      data[i + 2] = (Byte)(dest >> 8);

+      data[i + 3] &= 0x3;

+      data[i + 3] |= dest;

+    }

+  }

+  return i;

+}

+

+SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)

+{

+  UInt32 i;

+  if (size < 4)

+    return 0;

+  size -= 4;

+  for (i = 0; i <= size; i += 4)

+  {

+    if ((data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00) ||

+        (data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0))

+    {

+      UInt32 src =

+        ((UInt32)data[i + 0] << 24) |

+        ((UInt32)data[i + 1] << 16) |

+        ((UInt32)data[i + 2] << 8) |

+        ((UInt32)data[i + 3]);

+      UInt32 dest;

+      

+      src <<= 2;

+      if (encoding)

+        dest = ip + i + src;

+      else

+        dest = src - (ip + i);

+      dest >>= 2;

+      

+      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;

+

+      data[i + 0] = (Byte)(dest >> 24);

+      data[i + 1] = (Byte)(dest >> 16);

+      data[i + 2] = (Byte)(dest >> 8);

+      data[i + 3] = (Byte)dest;

+    }

+  }

+  return i;

+}