private ulong FindReference(ulong pointer, MachoSection64bit search)
{
var searchend = search.offset + search.size;
Position = search.offset;
while ((ulong)Position < searchend)
{
if (ReadUInt64() == pointer)
{
return((ulong)Position - search.offset + search.address);//MapRATV
}
}
return(0);
}
private ulong FindCodeRegistration(int count, MachoSection64bit search, MachoSection64bit search2, MachoSection64bit range)
{
var searchend = search.offset + search.size;
var rangeend = range.address + range.size;
var search2end = search2 == null ? 0 : search2.offset + search2.size;
Position = search.offset;
while ((ulong)Position < searchend)
{
var add = Position;
if (ReadUInt64() == (ulong)count)
{
try
{
ulong pointers = MapVATR(ReadUInt64());
if (pointers >= search.offset && pointers <= searchend)
{
var np = Position;
var temp = ReadClassArray <ulong>(pointers, count);
var r = Array.FindIndex(temp, x => x <range.address || x> rangeend);
if (r == -1)
{
return((ulong)add - search.offset + search.address); //VirtualAddress
}
Position = np;
}
else if (search2 != null && pointers >= search2.offset && pointers <= search2end)
{
var np = Position;
var temp = ReadClassArray <ulong>(pointers, count);
var r = Array.FindIndex(temp, x => x <range.address || x> rangeend);
if (r == -1)
{
return((ulong)add - search.offset + search.address); //VirtualAddress
}
Position = np;
}
}
catch
{
// ignored
}
}
}
return(0);
}
private ulong FindMetadataRegistration(int typeDefinitionsCount, MachoSection64bit search, MachoSection64bit search2, MachoSection64bit range)
{
var searchend = search.offset + search.size;
var rangeend = range.address + range.size;
var search2end = search2 == null ? 0 : search2.offset + search2.size;
Position = search.offset;
while ((ulong)Position < searchend)
{
var add = Position;
if (ReadUInt64() == (ulong)typeDefinitionsCount)
{
try
{
var np = Position;
Position += 16;
ulong pointers = MapVATR(ReadUInt64());
if (pointers >= search.offset && pointers <= searchend)
{
var temp = ReadClassArray <ulong>(pointers, maxmetadataUsages);
var r = Array.FindIndex(temp, x => x <range.address || x> rangeend);
if (r == -1)
{
return((ulong)add - 96ul - search.offset + search.address);//MapRATV
}
}
else if (search2 != null && pointers >= search2.offset && pointers <= search2end)
{
var temp = ReadClassArray <ulong>(pointers, maxmetadataUsages);
var r = Array.FindIndex(temp, x => x <range.address || x> rangeend);
if (r == -1)
{
return((ulong)add - 96ul - search.offset + search.address);//MapRATV
}
}
Position = np;
}
catch
{
// ignored
}
}
}
return(0);
}
private ulong FindPointersDesc(long readCount, MachoSection64bit search, MachoSection64bit range)
{
var add = 0L;
var searchend = search.offset + search.size;
var rangeend = range.address + range.size;
while (searchend + (ulong)add > search.offset)
{
var temp = ReadClassArray <ulong>((long)searchend + add - 8 * readCount, readCount);
var r = Array.FindIndex(temp, x => x <range.address || x> rangeend);
if (r != -1)
{
add -= (readCount - r) * 8;
}
else
{
return(search.address + search.size + (ulong)add - 8ul * (ulong)readCount);//MapRATV
}
}
return(0);
}
private ulong FindPointersAsc(long readCount, MachoSection64bit search, MachoSection64bit range)
{
var add = 0ul;
var searchend = search.offset + search.size;
var rangeend = range.address + range.size;
while (search.offset + add < searchend)
{
var temp = ReadClassArray <ulong>(search.offset + add, readCount);
var r = Array.FindLastIndex(temp, x => x <range.address || x> rangeend);
if (r != -1)
{
add += (ulong)(++r * 8);
}
else
{
return(search.address + add);//MapRATV
}
}
return(0);
}
