RetroZilla/gc/boehm/leaksoup/Addr2Line.java

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2015-10-21 05:03:22 +02:00
/* -*- 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 or
* 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 = { "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 + "]";
}
}