| Index: third_party/lzma_sdk/C/Bra.c
|
| ===================================================================
|
| --- third_party/lzma_sdk/C/Bra.c (revision 0)
|
| +++ third_party/lzma_sdk/C/Bra.c (revision 0)
|
| @@ -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;
|
| +}
|
|
|
| Property changes on: third_party\lzma_sdk\C\Bra.c
|
| ___________________________________________________________________
|
| Added: svn:executable
|
| + *
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|