/// <summary>
/// Set memory protections, pre or post seal
/// </summary>
private void Protect()
{
var writeStart = _everythingSealed ? _postSealWriteStart : _writeStart;
Memory.Protect(Memory.Start, _execEnd - Memory.Start, MemoryBlock.Protection.RX);
Memory.Protect(_execEnd, writeStart - _execEnd, MemoryBlock.Protection.R);
Memory.Protect(writeStart, Memory.EndExclusive - writeStart, MemoryBlock.Protection.RW);
if (_invisible != null)
{
if (!WaterboxUtils.Aligned(_invisible.LoadAddress))
{
throw new InvalidOperationException("Invisible section start not aligned! Check linker script");
}
var end = WaterboxUtils.AlignUp(_invisible.LoadAddress + _invisible.Size);
if (_sectionsByName.Values.Any(s => s != _invisible && s.LoadAddress < end && s.LoadAddress >= _invisible.LoadAddress))
{
throw new InvalidOperationException("Invisible section end not aligned, or not padded! Check linker script");
}
Memory.Protect(
_invisible.LoadAddress,
_invisible.Size,
MemoryBlock.Protection.RW_Invisible);
}
}
