Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/debugger/DataSource.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/DataSource.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,44 @@ +/* + * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.debugger; + +import java.io.*; + +/** An abstraction which represents a seekable data source. + RandomAccessFile can be trivially mapped to this; in addition, we + can support an adapter for addresses, so we can parse DLLs + directly out of the remote process's address space. This class is + used by the Windows COFF and Posix ELF implementations. */ + +public interface DataSource { + public byte readByte() throws IOException; + public short readShort() throws IOException; + public int readInt() throws IOException; + public long readLong() throws IOException; + public int read(byte[] b) throws IOException; + public void seek(long pos) throws IOException; + public long getFilePointer() throws IOException; + public void close() throws IOException; +}