1 files changed, 72 insertions, 0 deletions
diff --git a/libjava/java/nio/natVMDirectByteBufferImpl.cc b/libjava/java/nio/natVMDirectByteBufferImpl.cc
new file mode 100644
index 00000000000..3119fdea3e6
--- /dev/null
+++ b/libjava/java/nio/natVMDirectByteBufferImpl.cc
@@ -0,0 +1,72 @@
+// natDirectByteBufferImpl.cc
+
+/* Copyright (C) 2003, 2004  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+
+#include <gcj/cni.h>
+#include <jvm.h>
+
+#include <stdlib.h>
+
+#include <gnu/gcj/RawData.h>
+#include <java/nio/VMDirectByteBuffer.h>
+
+using gnu::gcj::RawData;
+
+RawData*
+java::nio::VMDirectByteBuffer::allocate (jint capacity)
+{
+  return reinterpret_cast<gnu::gcj::RawData*> (::malloc (capacity));
+}
+
+void
+java::nio::VMDirectByteBuffer::free (gnu::gcj::RawData* address)
+{
+  ::free (reinterpret_cast<void*> (address));
+}
+
+jbyte
+java::nio::VMDirectByteBuffer::get (RawData* address, jint index)
+{
+  jbyte* pointer = reinterpret_cast<jbyte*> (address) + index;
+  return *pointer;
+}
+
+void
+java::nio::VMDirectByteBuffer::get (RawData* address, jint index,
+				    jbyteArray dst, jint offset, jint length)
+{
+  jbyte* src = reinterpret_cast<jbyte*> (address) + index;
+  memcpy (elements (dst) + offset, src, length);
+}
+
+void
+java::nio::VMDirectByteBuffer::put (gnu::gcj::RawData* address,
+				    jint index, jbyte value)
+{
+  jbyte* pointer = reinterpret_cast<jbyte*> (address) + index;
+  *pointer = value;
+}
+
+RawData*
+java::nio::VMDirectByteBuffer::adjustAddress (RawData* address, jint offset)
+{
+  jbyte* start = reinterpret_cast<jbyte*> (address) + offset;
+  return reinterpret_cast<RawData*>(start);
+}
+
+void
+java::nio::VMDirectByteBuffer::shiftDown (RawData* address, jint dst_offset,
+					  jint src_offset, jint count)
+{
+  jbyte* dst = reinterpret_cast<jbyte*> (address) + dst_offset;
+  jbyte* src = reinterpret_cast<jbyte*> (address) + src_offset;
+  ::memmove(dst, src, count);
+}