diff options
Diffstat (limited to 'src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase')
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase index 6d0029e..57ad05c 100755 --- a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase +++ b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase @@ -1,21 +1,21 @@ /* * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: - * + * * - Redistribution of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. - * + * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * + * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. - * + * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A @@ -28,7 +28,7 @@ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * + * * You acknowledge that this software is not designed or intended for use * in the design, construction, operation or maintenance of any nuclear * facility. @@ -40,14 +40,21 @@ import java.nio.*; public class PointerBuffer { private ByteBuffer bb; - private LongBuffer lb; + private Buffer pb; private int capacity, position; private long[] backup; private PointerBuffer(ByteBuffer bb) { this.bb = bb; - this.lb = bb.asLongBuffer(); - capacity = bb.capacity()/BufferFactory.SIZEOF_LONG; + + if(CPU.is32Bit()) { + this.pb = bb.asIntBuffer(); + }else{ + this.pb = bb.asLongBuffer(); + } + + capacity = bb.capacity() / elementSize(); + position=0; backup = new long[capacity]; } @@ -93,11 +100,11 @@ public class PointerBuffer { } public static PointerBuffer allocate(int size) { - return new PointerBuffer(ByteBuffer.wrap(new byte[BufferFactory.SIZEOF_LONG * size])); + return new PointerBuffer(ByteBuffer.wrap(new byte[elementSize()* size])); } public static PointerBuffer allocateDirect(int size) { - return new PointerBuffer(BufferFactory.newDirectByteBuffer(BufferFactory.SIZEOF_LONG * size)); + return new PointerBuffer(BufferFactory.newDirectByteBuffer(elementSize() * size)); } public static PointerBuffer wrap(ByteBuffer src) { @@ -106,7 +113,7 @@ public class PointerBuffer { return res; } - /** + /** * Wraps pointer arrays created by native code. * Note: In case this is not a 64bit system, each pointer is being converted. */ public static PointerBuffer wrapNative2Java(ByteBuffer src, boolean keepDirect) { @@ -138,7 +145,10 @@ public class PointerBuffer { if(0>idx || idx>=capacity) { throw new IndexOutOfBoundsException(); } - return lb.get(idx); + if(CPU.is32Bit()) + return ((IntBuffer)pb).get(idx); + else + return ((LongBuffer)pb).get(idx); } public long get() { @@ -152,7 +162,10 @@ public class PointerBuffer { throw new IndexOutOfBoundsException(); } backup[idx] = v; - lb.put(idx, v); + if (CPU.is32Bit()) + ((IntBuffer)pb).put(idx, (int)v); + else + ((LongBuffer)pb).put(idx, v); return this; } @@ -167,4 +180,9 @@ public class PointerBuffer { backup[i] = get(i); } } -} + + public static int elementSize() { + return CPU.is32Bit() ? BufferFactory.SIZEOF_INT : BufferFactory.SIZEOF_LONG; + } + +}
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