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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
#if BIT64
using nuint = System.UInt64;
#else
using nuint = System.UInt32;
#endif
namespace System.Runtime
{
public class RuntimeImports
{
// Non-inlinable wrapper around the QCall that avoids poluting the fast path
// with P/Invoke prolog/epilog.
[MethodImpl(MethodImplOptions.NoInlining)]
internal unsafe static void RhZeroMemory(ref byte b, nuint byteLength)
{
fixed (byte* bytePointer = &b)
{
RhZeroMemory(bytePointer, byteLength);
}
}
internal unsafe static void RhZeroMemory(IntPtr p, UIntPtr byteLength)
{
RhZeroMemory((void*)p, (nuint)byteLength);
}
[DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
extern private unsafe static void RhZeroMemory(void* b, nuint byteLength);
[MethodImpl(MethodImplOptions.InternalCall)]
internal extern unsafe static void RhBulkMoveWithWriteBarrier(ref byte destination, ref byte source, nuint byteCount);
}
}
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