Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/jdi/SACoreAttachingConnector.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/jdi/SACoreAttachingConnector.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,156 @@ +/* + * Copyright 2002-2004 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.jdi; + +import com.sun.jdi.connect.*; +import com.sun.jdi.Bootstrap; +import com.sun.jdi.VirtualMachine; +import com.sun.jdi.VirtualMachineManager; + +import java.io.*; +import java.lang.reflect.*; +import java.net.*; +import java.util.*; + +public class SACoreAttachingConnector extends ConnectorImpl implements AttachingConnector { + + static final String ARG_COREFILE = "core"; + static final String ARG_JAVA_EXECUTABLE = "javaExecutable"; + private Transport transport; + + public SACoreAttachingConnector(com.sun.tools.jdi.VirtualMachineManagerService ignored) { + this(); + } + + public SACoreAttachingConnector() { + super(); + //fixme jjh Must create resources for these strings + addStringArgument( + ARG_JAVA_EXECUTABLE, + "Java Executable", //getString("sa.javaExecutable.label"), + "Pathname of Java Executable", //getString("sa.javaExecutable.description"); + "", + true); + + addStringArgument( + ARG_COREFILE, + "Corefile", // getString("sa.CoreFile.label"), + "Pathname of a corefile from a Java Process", //getString("sa.CoreFile.description"), + "core", + false); + + transport = new Transport() { + public String name() { + return "filesystem"; + } + }; + } + + // security check to see whether the caller can perform attach + private void checkCoreAttach(String corefile) { + SecurityManager sm = System.getSecurityManager(); + if (sm != null) { + try { + // whether the caller can link against SA native library? + checkNativeLink(sm, System.getProperty("os.name")); + // check whether the caller can read the core file? + sm.checkRead(corefile); + } catch (SecurityException se) { + throw new SecurityException("permission denied to attach to " + corefile); + } + } + } + + private VirtualMachine createVirtualMachine(Class vmImplClass, + String javaExec, String corefile) + throws NoSuchMethodException, InvocationTargetException, IllegalAccessException { + java.lang.reflect.Method connectByCoreMethod = vmImplClass.getMethod( + "createVirtualMachineForCorefile", + new Class[] { + VirtualMachineManager.class, + String.class, String.class, + Integer.TYPE + }); + return (VirtualMachine) connectByCoreMethod.invoke(null, + new Object[] { + Bootstrap.virtualMachineManager(), + javaExec, + corefile, + new Integer(0) + }); + } + + public VirtualMachine attach(Map arguments) throws IOException, + IllegalConnectorArgumentsException { + String javaExec = argument(ARG_JAVA_EXECUTABLE, arguments).value(); + if (javaExec == null || javaExec.equals("")) { + throw new IllegalConnectorArgumentsException("javaExec should be non-null and non-empty", + ARG_JAVA_EXECUTABLE); + } + String corefile = argument(ARG_COREFILE, arguments).value(); + if (corefile == null || corefile.equals("")) { + throw new IllegalConnectorArgumentsException("corefile should be non-null and non-empty", + ARG_COREFILE); + } + + checkCoreAttach(corefile); + + VirtualMachine myVM = null; + try { + try { + Class vmImplClass = loadVirtualMachineImplClass(); + myVM = createVirtualMachine(vmImplClass, javaExec, corefile); + } catch (InvocationTargetException ite) { + Class vmImplClass = handleVMVersionMismatch(ite); + if (vmImplClass != null) { + return createVirtualMachine(vmImplClass, javaExec, corefile); + } else { + throw ite; + } + } + } catch (Exception ee) { + if (DEBUG) { + System.out.println("VirtualMachineImpl() got an exception:"); + ee.printStackTrace(); + System.out.println("coreFile = " + corefile + ", javaExec = " + javaExec); + } + throw (IOException) new IOException().initCause(ee); + } + setVMDisposeObserver(myVM); + return myVM; + } + + public String name() { + return "sun.jvm.hotspot.jdi.SACoreAttachingConnector"; + } + + public String description() { + return getString("This connector allows you to attach to a core file using the Serviceability Agent"); + } + + public Transport transport() { + return transport; + } +}