diff options
Diffstat (limited to 'src')
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/PointerBuffer.java.javame_cdc_fp | 78 | ||||
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase | 63 |
2 files changed, 141 insertions, 0 deletions
diff --git a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javame_cdc_fp b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javame_cdc_fp new file mode 100755 index 0000000..b2d216e --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javame_cdc_fp @@ -0,0 +1,78 @@ +/* + * 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 + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * 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. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class PointerBuffer { + private ByteBuffer bb; + private IntBuffer ib; + + public PointerBuffer(ByteBuffer bb) { + this.bb = bb; + this.ib = bb.asIntBuffer(); + } + + public ByteBuffer getBuffer() { + return bb; + } + + /** Retrieves the long at the specified slot (8-byte offset). */ + public long get(int slot) { + slot = slot << 1 ; // 8-byte to 4-byte offset + long lo = 0x00000000FFFFFFFFL & ( (long) ib.get(slot) ); + long hi = 0x00000000FFFFFFFFL & ( (long) ib.get(slot+1) ); + if(BufferFactory.isLittleEndian()) { + return hi << 32 | lo ; + } + return lo << 32 | hi ; + } + + /** Puts a long at the specified slot (8-byte offset). */ + public void put(int slot, long v) { + slot = slot << 1 ; // 8-byte to 4-byte offset + int lo = (int) ( ( v ) & 0x00000000FFFFFFFFL ) ; + int hi = (int) ( ( v >> 32 ) & 0x00000000FFFFFFFFL ) ; + if(BufferFactory.isLittleEndian()) { + ib.put(slot, lo); + ib.put(slot+1, hi); + } else { + ib.put(slot, hi); + ib.put(slot+1, lo); + } + } +} diff --git a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase new file mode 100755 index 0000000..921d186 --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase @@ -0,0 +1,63 @@ +/* + * 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 + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * 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. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class PointerBuffer { + private ByteBuffer bb; + private LongBuffer lb; + + public PointerBuffer(ByteBuffer bb) { + this.bb = bb; + this.lb = bb.asLongBuffer(); + } + + public ByteBuffer getBuffer() { + return bb; + } + + /** Retrieves the long at the specified slot (8-byte offset). */ + public long get(int slot) { + return lb.get(slot); + } + + /** Puts a long at the specified slot (8-byte offset). */ + public void put(int slot, long v) { + lb.put(slot, v); + } +} |