// BranchSPARC.c
#include "BranchSPARC.h"
UInt32 SPARC_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
{
UInt32 i;
for (i = 0; i + 4 <= 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]);
src <<= 2;
UInt32 dest;
if (encoding)
dest = nowPos + i + src;
else
dest = src - (nowPos + 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;
}
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