1 files changed, 194 insertions, 0 deletions
diff --git a/gprof/org.eclipse.linuxtools.gprof/src/org/eclipse/linuxtools/internal/gprof/utils/LEDataInputStream.java b/gprof/org.eclipse.linuxtools.gprof/src/org/eclipse/linuxtools/internal/gprof/utils/LEDataInputStream.java
new file mode 100644
index 0000000000..2dc93126b3
--- /dev/null
+++ b/gprof/org.eclipse.linuxtools.gprof/src/org/eclipse/linuxtools/internal/gprof/utils/LEDataInputStream.java
@@ -0,0 +1,194 @@
+/*******************************************************************************
+ * Copyright (c) 2009 STMicroelectronics.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.linuxtools.internal.gprof.utils;
+
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.FilterInputStream;
+import java.io.IOException;
+/**
+ * Little-endian implementation of DataInputStream
+ * @author Xavier Raynaud <xavier.raynaud@st.com>
+ *
+ */
+public class LEDataInputStream extends FilterInputStream implements DataInput {
+
+	private final DataInputStream in;
+	private final byte[] buffer = new byte[8];
+
+	/**
+	 * Constructor
+	 * @param in
+	 */
+	public LEDataInputStream(DataInputStream in) {
+		super(in);
+		this.in = in;
+	}
+
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readShort()
+	 */
+	public final short readShort() throws IOException
+	{
+		in.readFully(buffer, 0, 2);
+		return (short)(
+				(buffer[1]&0xff) << 8 |
+				(buffer[0]&0xff));
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readUnsignedShort()
+	 */
+	public final int readUnsignedShort() throws IOException
+	{
+		in.readFully(buffer, 0, 2);
+		return (
+				(buffer[1]&0xff) << 8 |
+				(buffer[0]&0xff));
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readChar()
+	 */
+	public final char readChar() throws IOException
+	{
+		in.readFully(buffer, 0, 2);
+		return (char) (
+				(buffer[1]&0xff) << 8 |
+				(buffer[0]&0xff));
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readInt()
+	 */
+	public final int readInt() throws IOException
+	{
+		in.readFully(buffer, 0, 4);
+		return
+		(buffer[3])      << 24 |
+		(buffer[2]&0xff) << 16 |
+		(buffer[1]&0xff) <<  8 |
+		(buffer[0]&0xff);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readLong()
+	 */
+	public final long readLong() throws IOException
+	{
+		in.readFully(buffer, 0, 8);
+		return
+		(long)(buffer[7])      << 56 |  /* long cast needed or shift done modulo 32 */
+		(long)(buffer[6]&0xff) << 48 |
+		(long)(buffer[5]&0xff) << 40 |
+		(long)(buffer[4]&0xff) << 32 |
+		(long)(buffer[3]&0xff) << 24 |
+		(long)(buffer[2]&0xff) << 16 |
+		(long)(buffer[1]&0xff) <<  8 |
+		(long)(buffer[0]&0xff);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readFloat()
+	 */
+	public final float readFloat() throws IOException
+	{
+		return Float.intBitsToFloat(readInt());
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readDouble()
+	 */
+	public final double readDouble() throws IOException
+	{
+		return Double.longBitsToDouble(readLong());
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readBoolean()
+	 */
+	public boolean readBoolean() throws IOException {
+		return in.readBoolean();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readByte()
+	 */
+	public byte readByte() throws IOException {
+		return in.readByte();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readFully(byte[])
+	 */
+	public void readFully(byte[] b) throws IOException {
+		in.readFully(b);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readFully(byte[], int, int)
+	 */
+	public void readFully(byte[] b, int off, int len) throws IOException {
+		in.readFully(b,off,len);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readLine()
+	 */
+    @Deprecated
+	public String readLine() throws IOException {
+		return in.readLine();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readUTF()
+	 */
+	public String readUTF() throws IOException {
+		return in.readUTF();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#readUnsignedByte()
+	 */
+	public int readUnsignedByte() throws IOException {
+		return in.readUnsignedByte();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see java.io.DataInput#skipBytes(int)
+	 */
+	public int skipBytes(int n) throws IOException {
+		return in.skipBytes(n);
+	}
+
+	/**
+	 * Close this stream.
+	 */
+	public void close() throws IOException {
+		in.close();
+	}
+}