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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
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@ -0,0 +1,271 @@
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/*
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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package sun.jvm.hotspot.tools;
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import java.io.*;
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import java.util.*;
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import sun.jvm.hotspot.code.*;
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import sun.jvm.hotspot.interpreter.*;
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import sun.jvm.hotspot.debugger.*;
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import sun.jvm.hotspot.debugger.cdbg.*;
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import sun.jvm.hotspot.oops.*;
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import sun.jvm.hotspot.runtime.*;
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import sun.jvm.hotspot.utilities.PlatformInfo;
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public class PStack extends Tool {
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// in non-verbose mode, Method*s are not printed in java frames
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public PStack(boolean v, boolean concurrentLocks) {
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this.verbose = v;
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this.concurrentLocks = concurrentLocks;
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}
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public PStack() {
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this(true, true);
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}
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public PStack(JVMDebugger d) {
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super(d);
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}
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public void run() {
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run(System.out);
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}
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public void run(PrintStream out) {
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Debugger dbg = getAgent().getDebugger();
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run(out, dbg);
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}
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public void run(PrintStream out, Debugger dbg) {
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if (PlatformInfo.getOS().equals("darwin")) {
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out.println("Not available on Darwin");
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return;
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}
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CDebugger cdbg = dbg.getCDebugger();
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if (cdbg != null) {
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ConcurrentLocksPrinter concLocksPrinter = null;
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// compute and cache java Vframes.
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initJFrameCache();
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if (concurrentLocks) {
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concLocksPrinter = new ConcurrentLocksPrinter();
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}
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// print Java level deadlocks
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try {
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DeadlockDetector.print(out);
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} catch (Exception exp) {
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out.println("can't print deadlock information: " + exp.getMessage());
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}
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List l = cdbg.getThreadList();
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final boolean cdbgCanDemangle = cdbg.canDemangle();
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for (Iterator itr = l.iterator() ; itr.hasNext();) {
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ThreadProxy th = (ThreadProxy) itr.next();
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try {
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CFrame f = cdbg.topFrameForThread(th);
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out.print("----------------- ");
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out.print(th);
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out.println(" -----------------");
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JavaThread jthread = (JavaThread) proxyToThread.get(th);
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if (jthread != null) {
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jthread.printThreadInfoOn(out);
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}
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while (f != null) {
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ClosestSymbol sym = f.closestSymbolToPC();
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Address pc = f.pc();
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out.print(pc + "\t");
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if (sym != null) {
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String name = sym.getName();
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if (cdbgCanDemangle) {
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name = cdbg.demangle(name);
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}
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out.print(name);
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long diff = sym.getOffset();
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if (diff != 0L) {
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out.print(" + 0x" + Long.toHexString(diff));
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}
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out.println();
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} else {
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// look for one or more java frames
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String[] names = null;
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// check interpreter frame
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Interpreter interp = VM.getVM().getInterpreter();
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if (interp.contains(pc)) {
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names = getJavaNames(th, f.localVariableBase());
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// print codelet name if we can't determine method
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if (names == null || names.length == 0) {
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out.print("<interpreter> ");
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InterpreterCodelet ic = interp.getCodeletContaining(pc);
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if (ic != null) {
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String desc = ic.getDescription();
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if (desc != null) out.print(desc);
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}
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out.println();
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}
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} else {
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// look for known code blobs
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CodeCache c = VM.getVM().getCodeCache();
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if (c.contains(pc)) {
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CodeBlob cb = c.findBlobUnsafe(pc);
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if (cb.isNMethod()) {
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names = getJavaNames(th, f.localVariableBase());
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// just print compiled code, if can't determine method
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if (names == null || names.length == 0) {
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out.println("<Unknown compiled code>");
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}
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} else if (cb.isBufferBlob()) {
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out.println("<StubRoutines>");
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} else if (cb.isRuntimeStub()) {
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out.println("<RuntimeStub>");
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} else if (cb.isDeoptimizationStub()) {
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out.println("<DeoptimizationStub>");
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} else if (cb.isUncommonTrapStub()) {
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out.println("<UncommonTrap>");
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} else if (cb.isExceptionStub()) {
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out.println("<ExceptionStub>");
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} else if (cb.isSafepointStub()) {
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out.println("<SafepointStub>");
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} else {
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out.println("<Unknown code blob>");
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}
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} else {
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printUnknown(out);
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}
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}
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// print java frames, if any
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if (names != null && names.length != 0) {
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// print java frame(s)
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for (int i = 0; i < names.length; i++) {
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out.println(names[i]);
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}
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}
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}
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f = f.sender(th);
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}
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} catch (Exception exp) {
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exp.printStackTrace();
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// continue, may be we can do a better job for other threads
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}
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if (concurrentLocks) {
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JavaThread jthread = (JavaThread) proxyToThread.get(th);
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if (jthread != null) {
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concLocksPrinter.print(jthread, out);
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}
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}
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} // for threads
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} else {
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if (getDebugeeType() == DEBUGEE_REMOTE) {
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out.println("remote configuration is not yet implemented");
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} else {
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out.println("not yet implemented (debugger does not support CDebugger)!");
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}
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}
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}
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public static void main(String[] args) throws Exception {
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PStack t = new PStack();
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t.execute(args);
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}
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// -- Internals only below this point
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private Map jframeCache; // Map<ThreadProxy, JavaVFrame[]>
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private Map proxyToThread; // Map<ThreadProxy, JavaThread>
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private PrintStream out;
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private boolean verbose;
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private boolean concurrentLocks;
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private void initJFrameCache() {
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// cache frames for subsequent reference
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jframeCache = new HashMap();
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proxyToThread = new HashMap();
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Threads threads = VM.getVM().getThreads();
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for (JavaThread cur = threads.first(); cur != null; cur = cur.next()) {
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List tmp = new ArrayList(10);
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try {
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for (JavaVFrame vf = cur.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) {
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tmp.add(vf);
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}
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} catch (Exception exp) {
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// may be we may get frames for other threads, continue
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// after printing stack trace.
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exp.printStackTrace();
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}
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JavaVFrame[] jvframes = new JavaVFrame[tmp.size()];
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System.arraycopy(tmp.toArray(), 0, jvframes, 0, jvframes.length);
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jframeCache.put(cur.getThreadProxy(), jvframes);
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proxyToThread.put(cur.getThreadProxy(), cur);
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}
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}
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private void printUnknown(PrintStream out) {
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out.println("\t????????");
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}
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private String[] getJavaNames(ThreadProxy th, Address fp) {
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if (fp == null) {
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return null;
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}
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JavaVFrame[] jvframes = (JavaVFrame[]) jframeCache.get(th);
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if (jvframes == null) return null; // not a java thread
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List names = new ArrayList(10);
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for (int fCount = 0; fCount < jvframes.length; fCount++) {
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JavaVFrame vf = jvframes[fCount];
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Frame f = vf.getFrame();
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if (fp.equals(f.getFP())) {
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StringBuffer sb = new StringBuffer();
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Method method = vf.getMethod();
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// a special char to identify java frames in output
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sb.append("* ");
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sb.append(method.externalNameAndSignature());
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sb.append(" bci:" + vf.getBCI());
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int lineNumber = method.getLineNumberFromBCI(vf.getBCI());
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if (lineNumber != -1) {
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sb.append(" line:" + lineNumber);
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}
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if (verbose) {
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sb.append(" Method*:" + method.getAddress());
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}
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if (vf.isCompiledFrame()) {
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sb.append(" (Compiled frame");
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if (vf.isDeoptimized()) {
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sb.append(" [deoptimized]");
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}
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} else if (vf.isInterpretedFrame()) {
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sb.append(" (Interpreted frame");
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}
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if (vf.mayBeImpreciseDbg()) {
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sb.append("; information may be imprecise");
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}
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sb.append(")");
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names.add(sb.toString());
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}
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}
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String[] res = new String[names.size()];
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System.arraycopy(names.toArray(), 0, res, 0, res.length);
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return res;
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}
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}
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