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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [java/] [nio/] [natVMDirectByteBufferImpl.cc] - Rev 769
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// 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); }
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