Linux: used to map library +offset to file:line

gc/boehm/leaksoup/Addr2Line.java

@@ -0,0 +1,70 @@
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Patrick C. Beard <beard@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Public License (the "GPL"), in which case the
+ * provisions of the GPL are applicable instead of those above.
+ * If you wish to allow use of your version of this file only
+ * under the terms of the GPL and not to allow others to use your
+ * version of this file under the NPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL.  If you do not delete
+ * the provisions above, a recipient may use your version of this
+ * file under either the NPL or the GPL.
+ */
+
+/*
+  Addr2Line.java
+
+  Invokes the addr2line process to convert library +offset pairs into
+  filepath:line values.
+
+  by Patrick C. Beard.
+ */
+
+import java.util.*;
+import java.io.*;
+
+public class Addr2Line {
+    private Process addr2line;
+    private BufferedWriter stdin;
+    private BufferedReader stdout;
+    private BufferedReader stderr;
+
+    public Addr2Line(String library) throws IOException {
+	String[] args = { "/trees/binutils-2.10/binutils/addr2line", "-C", "-f", "-e", library };
+	addr2line = Runtime.getRuntime().exec(args);
+	stdin = new BufferedWriter(new OutputStreamWriter(addr2line.getOutputStream()));
+	stdout = new BufferedReader(new InputStreamReader(addr2line.getInputStream()));
+	stderr = new BufferedReader(new InputStreamReader(addr2line.getErrorStream()));
+    }
+
+    public String getLine(String address) throws IOException {
+	stdin.write(address + "\n"); stdin.flush();
+	String symbol = stdout.readLine();
+	String source = stdout.readLine();
+	return symbol + "[" + source + "]";
+    }
+}
+