Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/livejvm/CStringAccessor.java @ 7353:b5280041f59e
Experiment with soft alignment for branch targets.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 13 Jan 2013 19:32:16 +0100 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.livejvm; import java.io.UnsupportedEncodingException; import sun.jvm.hotspot.debugger.*; class CStringAccessor { private Address addr; private int bufLen; CStringAccessor(Address addr, int bufLen) { this.addr = addr; this.bufLen = bufLen; } String getValue() throws DebuggerException { int len = 0; while ((addr.getCIntegerAt(len, 1, true) != 0) && (len < bufLen)) { ++len; } byte[] res = new byte[len]; for (int i = 0; i < len; i++) { res[i] = (byte) addr.getCIntegerAt(i, 1, true); } try { return new String(res, "US-ASCII"); } catch (UnsupportedEncodingException e) { throw new DebuggerException("Unable to use US-ASCII encoding"); } } void setValue(String value) throws DebuggerException { try { byte[] data = value.getBytes("US-ASCII"); if (data.length >= bufLen) { throw new DebuggerException("String too long"); } for (int i = 0; i < data.length; i++) { addr.setCIntegerAt(i, 1, data[i]); } addr.setCIntegerAt(data.length, 1, 0); } catch (UnsupportedEncodingException e) { throw new DebuggerException("Unable to use US-ASCII encoding"); } } }