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/* 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;
}
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