1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/C/Bra.c	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,133 @@
     1.4 +/* Bra.c -- Converters for RISC code
     1.5 +2008-10-04 : Igor Pavlov : Public domain */
     1.6 +
     1.7 +#include "Bra.h"
     1.8 +
     1.9 +SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
    1.10 +{
    1.11 +  SizeT i;
    1.12 +  if (size < 4)
    1.13 +    return 0;
    1.14 +  size -= 4;
    1.15 +  ip += 8;
    1.16 +  for (i = 0; i <= size; i += 4)
    1.17 +  {
    1.18 +    if (data[i + 3] == 0xEB)
    1.19 +    {
    1.20 +      UInt32 dest;
    1.21 +      UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]);
    1.22 +      src <<= 2;
    1.23 +      if (encoding)
    1.24 +        dest = ip + (UInt32)i + src;
    1.25 +      else
    1.26 +        dest = src - (ip + (UInt32)i);
    1.27 +      dest >>= 2;
    1.28 +      data[i + 2] = (Byte)(dest >> 16);
    1.29 +      data[i + 1] = (Byte)(dest >> 8);
    1.30 +      data[i + 0] = (Byte)dest;
    1.31 +    }
    1.32 +  }
    1.33 +  return i;
    1.34 +}
    1.35 +
    1.36 +SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
    1.37 +{
    1.38 +  SizeT i;
    1.39 +  if (size < 4)
    1.40 +    return 0;
    1.41 +  size -= 4;
    1.42 +  ip += 4;
    1.43 +  for (i = 0; i <= size; i += 2)
    1.44 +  {
    1.45 +    if ((data[i + 1] & 0xF8) == 0xF0 &&
    1.46 +        (data[i + 3] & 0xF8) == 0xF8)
    1.47 +    {
    1.48 +      UInt32 dest;
    1.49 +      UInt32 src =
    1.50 +        (((UInt32)data[i + 1] & 0x7) << 19) |
    1.51 +        ((UInt32)data[i + 0] << 11) |
    1.52 +        (((UInt32)data[i + 3] & 0x7) << 8) |
    1.53 +        (data[i + 2]);
    1.54 +      
    1.55 +      src <<= 1;
    1.56 +      if (encoding)
    1.57 +        dest = ip + (UInt32)i + src;
    1.58 +      else
    1.59 +        dest = src - (ip + (UInt32)i);
    1.60 +      dest >>= 1;
    1.61 +      
    1.62 +      data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
    1.63 +      data[i + 0] = (Byte)(dest >> 11);
    1.64 +      data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
    1.65 +      data[i + 2] = (Byte)dest;
    1.66 +      i += 2;
    1.67 +    }
    1.68 +  }
    1.69 +  return i;
    1.70 +}
    1.71 +
    1.72 +SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
    1.73 +{
    1.74 +  SizeT i;
    1.75 +  if (size < 4)
    1.76 +    return 0;
    1.77 +  size -= 4;
    1.78 +  for (i = 0; i <= size; i += 4)
    1.79 +  {
    1.80 +    if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1)
    1.81 +    {
    1.82 +      UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) |
    1.83 +        ((UInt32)data[i + 1] << 16) |
    1.84 +        ((UInt32)data[i + 2] << 8) |
    1.85 +        ((UInt32)data[i + 3] & (~3));
    1.86 +      
    1.87 +      UInt32 dest;
    1.88 +      if (encoding)
    1.89 +        dest = ip + (UInt32)i + src;
    1.90 +      else
    1.91 +        dest = src - (ip + (UInt32)i);
    1.92 +      data[i + 0] = (Byte)(0x48 | ((dest >> 24) &  0x3));
    1.93 +      data[i + 1] = (Byte)(dest >> 16);
    1.94 +      data[i + 2] = (Byte)(dest >> 8);
    1.95 +      data[i + 3] &= 0x3;
    1.96 +      data[i + 3] |= dest;
    1.97 +    }
    1.98 +  }
    1.99 +  return i;
   1.100 +}
   1.101 +
   1.102 +SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
   1.103 +{
   1.104 +  UInt32 i;
   1.105 +  if (size < 4)
   1.106 +    return 0;
   1.107 +  size -= 4;
   1.108 +  for (i = 0; i <= size; i += 4)
   1.109 +  {
   1.110 +    if (data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00 ||
   1.111 +        data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)
   1.112 +    {
   1.113 +      UInt32 src =
   1.114 +        ((UInt32)data[i + 0] << 24) |
   1.115 +        ((UInt32)data[i + 1] << 16) |
   1.116 +        ((UInt32)data[i + 2] << 8) |
   1.117 +        ((UInt32)data[i + 3]);
   1.118 +      UInt32 dest;
   1.119 +      
   1.120 +      src <<= 2;
   1.121 +      if (encoding)
   1.122 +        dest = ip + i + src;
   1.123 +      else
   1.124 +        dest = src - (ip + i);
   1.125 +      dest >>= 2;
   1.126 +      
   1.127 +      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
   1.128 +
   1.129 +      data[i + 0] = (Byte)(dest >> 24);
   1.130 +      data[i + 1] = (Byte)(dest >> 16);
   1.131 +      data[i + 2] = (Byte)(dest >> 8);
   1.132 +      data[i + 3] = (Byte)dest;
   1.133 +    }
   1.134 +  }
   1.135 +  return i;
   1.136 +}