private NtResult <IContext> GetAmd64Context(ContextFlags flags, bool throw_on_error)
{
var context = new ContextAmd64
{
ContextFlags = flags
};
// Buffer needs to be 16 bytes aligned, so allocate some extract space in case.
using (var buffer = new SafeHGlobalBuffer(Marshal.SizeOf(context) + 16))
{
int write_ofs = 0;
long ptr = buffer.DangerousGetHandle().ToInt64();
// Almost certainly 16 byte aligned, but just in case.
if ((ptr & 0xF) != 0)
{
write_ofs = (int)(0x10 - (ptr & 0xF));
}
Marshal.StructureToPtr(context, buffer.DangerousGetHandle() + write_ofs, false);
var sbuffer = buffer.GetStructAtOffset <ContextAmd64>(write_ofs);
return(NtSystemCalls.NtGetContextThread(Handle, sbuffer).CreateResult(throw_on_error, () => sbuffer.Result).Cast <IContext>());
}
}
private IContext GetAmd64Context(ContextFlags flags)
{
var context = new ContextAmd64();
context.ContextFlags = flags;
// Buffer needs to be 16 bytes aligned, so allocate some extract space in case.
using (var buffer = new SafeHGlobalBuffer(Marshal.SizeOf(context) + 16))
{
int write_ofs = 0;
long ptr = buffer.DangerousGetHandle().ToInt64();
// Almost certainly 8 byte aligned, but just in case.
if ((ptr & 0xF) != 0)
{
write_ofs = (int)(0x10 - (ptr & 0xF));
}
Marshal.StructureToPtr(context, buffer.DangerousGetHandle() + write_ofs, false);
var sbuffer = buffer.GetStructAtOffset <ContextAmd64>(write_ofs);
NtSystemCalls.NtGetContextThread(Handle, sbuffer).ToNtException();
return(sbuffer.Result);
}
}
