public static unsafe void InitArray(System.Array srcArray,
System.Array dstArray)
{
#if !REFERENCE_COUNTING_GC && !DEFERRED_REFERENCE_COUNTING_GC
Barrier.ArrayCopy(srcArray, 0, dstArray, 0, srcArray.Length);
#else
fixed(int *srcFieldPtr = &srcArray.field1)
{
void *src = srcArray.GetFirstElementAddress(srcFieldPtr);
fixed(int *dstFieldPtr = &dstArray.field1)
{
void *dst = dstArray.GetFirstElementAddress(dstFieldPtr);
int size = (srcArray.vtable.arrayElementSize *
srcArray.Length);
#if REFERENCE_COUNTING_GC
if (dstArray.vtable.arrayOf ==
StructuralType.Reference ||
dstArray.vtable.arrayOf ==
StructuralType.Struct)
{
int dstLength =
size / dstArray.vtable.arrayElementSize;
GCs.ReferenceCountingCollector.
IncrementReferentRefCounts(Magic.addressOf(srcArray),
srcArray.vtable,
0,
srcArray.Length);
GCs.ReferenceCountingCollector.
DecrementReferentRefCounts(Magic.addressOf(dstArray),
dstArray.vtable,
0,
dstLength);
}
#elif DEFERRED_REFERENCE_COUNTING_GC
if (dstArray.vtable.arrayOf ==
StructuralType.Reference ||
dstArray.vtable.arrayOf ==
StructuralType.Struct)
{
int dstLength =
size / dstArray.vtable.arrayElementSize;
GCs.DeferredReferenceCountingCollector.
IncrementReferentRefCounts(Magic.addressOf(srcArray),
srcArray.vtable,
0,
srcArray.Length);
GCs.DeferredReferenceCountingCollector.
DecrementReferentRefCounts(Magic.addressOf(dstArray),
dstArray.vtable,
0,
dstLength);
}
#endif // REFERENCE_COUNTING_GC
System.IO.__UnmanagedMemoryStream.memcpyimpl
((byte *)src, (byte *)dst, size);
}
}
#endif // REFERENCE_COUNTING_GC
}