--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6894807/IsInstanceTest.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,44 @@
+/*
+ * @test
+ * @bug 6894807
+ * @summary No ClassCastException for HashAttributeSet constructors if run with -Xcomp
+ * @compile IsInstanceTest.java
+ * @run shell Test6894807.sh
+*/
+
+public class IsInstanceTest {
+
+ public static void main(String[] args) {
+ BaseInterface baseInterfaceImpl = new BaseInterfaceImpl();
+ for (int i = 0; i < 100000; i++) {
+ if (isInstanceOf(baseInterfaceImpl, ExtendedInterface.class)) {
+ System.out.println("Failed at index:" + i);
+ System.out.println("Arch: "+System.getProperty("os.arch", "")+
+ " OS: "+System.getProperty("os.name", "")+
+ " OSV: "+System.getProperty("os.version", "")+
+ " Cores: "+Runtime.getRuntime().availableProcessors()+
+ " JVM: "+System.getProperty("java.version", "")+" "+System.getProperty("sun.arch.data.model", ""));
+ break;
+ }
+ }
+ System.out.println("Done!");
+ }
+
+ public static boolean isInstanceOf(BaseInterface baseInterfaceImpl, Class... baseInterfaceClasses) {
+ for (Class baseInterfaceClass : baseInterfaceClasses) {
+ if (baseInterfaceClass.isInstance(baseInterfaceImpl)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private interface BaseInterface {
+ }
+
+ private interface ExtendedInterface extends BaseInterface {
+ }
+
+ private static class BaseInterfaceImpl implements BaseInterface {
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6894807/Test6894807.sh Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+if [ "${TESTSRC}" = "" ]
+then TESTSRC=.
+fi
+
+if [ "${TESTJAVA}" = "" ]
+then
+ PARENT=`dirname \`which java\``
+ TESTJAVA=`dirname ${PARENT}`
+ echo "TESTJAVA not set, selecting " ${TESTJAVA}
+ echo "If this is incorrect, try setting the variable manually."
+fi
+
+if [ "${TESTCLASSES}" = "" ]
+then
+ echo "TESTCLASSES not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+BIT_FLAG=""
+
+# set platform-dependent variables
+OS=`uname -s`
+case "$OS" in
+ SunOS | Linux )
+ NULL=/dev/null
+ PS=":"
+ FS="/"
+ ## for solaris, linux it's HOME
+ FILE_LOCATION=$HOME
+ if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
+ then
+ BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
+ fi
+ ;;
+ Windows_* )
+ NULL=NUL
+ PS=";"
+ FS="\\"
+ ;;
+ * )
+ echo "Unrecognized system!"
+ exit 1;
+ ;;
+esac
+
+JEMMYPATH=${CPAPPEND}
+CLASSPATH=.${PS}${TESTCLASSES}${PS}${JEMMYPATH} ; export CLASSPATH
+
+THIS_DIR=`pwd`
+
+${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+
+${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -server IsInstanceTest > test.out 2>&1
+
+cat test.out
+
+grep "Failed at index" test.out
+
+if [ $? = 0 ]
+then
+ echo "Test Failed"
+ exit 1
+else
+ echo "Test Passed"
+ exit 0
+fi
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/IFace.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,6 @@
+// A simple interface, to allow an unknown foreign call from a class
+// loaded with LOADER1 to a class loaded with LOADER2.
+public interface IFace {
+ public many_loader[] gen();
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/Loader2.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,52 @@
+import java.io.ByteArrayInputStream;
+import java.io.FileInputStream;
+public class Loader2 extends ClassLoader {
+ int _recur;
+ public void print( String msg ) {
+ for( int i=0; i<_recur; i++ )
+ System.out.print(" ");
+ System.out.println(">>Loader2>> "+msg);
+ }
+
+ protected Class findClass2(String name) throws ClassNotFoundException {
+ print("Fetching the implementation of "+name);
+ int old = _recur;
+ try {
+ FileInputStream fi = new FileInputStream(name+".impl2");
+ byte result[] = new byte[fi.available()];
+ fi.read(result);
+
+ print("DefineClass1 on "+name);
+ _recur++;
+ Class clazz = defineClass(name, result, 0, result.length);
+ _recur = old;
+ print("Returning newly loaded class.");
+ return clazz;
+ } catch (Exception e) {
+ _recur = old;
+ print("Not found on disk.");
+ // If we caught an exception, either the class was not found or
+ // it was unreadable by our process.
+ return null;
+ //throw new ClassNotFoundException(e.toString());
+ }
+ }
+
+ protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
+ // Attempt a disk load first
+ Class c = findClass2(name);
+ if( c == null ) {
+ // check if the class has already been loaded
+ print("Checking for prior loaded class "+name);
+ c = findLoadedClass(name);
+ print("Letting super-loader load "+name);
+ int old = _recur;
+ _recur++;
+ c = super.loadClass(name, false);
+ _recur=old;
+ }
+ if (resolve) { print("Resolving class "+name); resolveClass(c); }
+ print("Returning clazz "+c.getClassLoader()+":"+name);
+ return c;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/Test6626217.sh Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,101 @@
+#
+# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+# SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+#
+
+#
+# @test @(#)Test6626217.sh
+# @bug 6626217
+# @summary Loader-constraint table allows arrays instead of only the base-classes
+# @run shell Test6626217.sh
+#
+
+if [ "${TESTSRC}" = "" ]
+ then TESTSRC=.
+fi
+
+if [ "${TESTJAVA}" = "" ]
+then
+ PARENT=`dirname \`which java\``
+ TESTJAVA=`dirname ${PARENT}`
+ echo "TESTJAVA not set, selecting " ${TESTJAVA}
+ echo "If this is incorrect, try setting the variable manually."
+fi
+
+if [ "${TESTCLASSES}" = "" ]
+then
+ echo "TESTCLASSES not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+BIT_FLAG=""
+
+# set platform-dependent variables
+OS=`uname -s`
+case "$OS" in
+ SunOS | Linux )
+ NULL=/dev/null
+ PS=":"
+ FS="/"
+ RM=/bin/rm
+ CP=/bin/cp
+ MV=/bin/mv
+ ## for solaris, linux it's HOME
+ FILE_LOCATION=$HOME
+ if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
+ then
+ BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT`
+ fi
+ ;;
+ Windows_* )
+ NULL=NUL
+ PS=";"
+ FS="\\"
+ RM=rm
+ CP=cp
+ MV=mv
+ ;;
+ * )
+ echo "Unrecognized system!"
+ exit 1;
+ ;;
+esac
+
+JEMMYPATH=${CPAPPEND}
+CLASSPATH=.${PS}${TESTCLASSES}${PS}${JEMMYPATH} ; export CLASSPATH
+
+THIS_DIR=`pwd`
+
+JAVA=${TESTJAVA}${FS}bin${FS}java
+JAVAC=${TESTJAVA}${FS}bin${FS}javac
+
+${JAVA} ${BIT_FLAG} -version
+
+# Current directory is scratch directory, copy all the test source there
+# (for the subsequent moves to work).
+${CP} ${TESTSRC}${FS}* ${THIS_DIR}
+
+# A Clean Compile: this line will probably fail within jtreg as have a clean dir:
+${RM} -f *.class *.impl many_loader.java
+
+# Compile all the usual suspects, including the default 'many_loader'
+${CP} many_loader1.java.foo many_loader.java
+${JAVAC} -source 1.4 -target 1.4 -Xlint *.java
+
+# Rename the class files, so the custom loader (and not the system loader) will find it
+${MV} from_loader2.class from_loader2.impl2
+
+# Compile the next version of 'many_loader'
+${MV} many_loader.class many_loader.impl1
+${CP} many_loader2.java.foo many_loader.java
+${JAVAC} -source 1.4 -target 1.4 -Xlint many_loader.java
+
+# Rename the class file, so the custom loader (and not the system loader) will find it
+${MV} many_loader.class many_loader.impl2
+${MV} many_loader.impl1 many_loader.class
+${RM} many_loader.java
+
+${JAVA} ${BIT_FLAG} -Xverify -Xint -cp . bug_21227 >test.out 2>&1
+grep "violates loader constraints" test.out
+exit $?
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/You_Have_Been_P0wned.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,11 @@
+
+// I can cast any old thing I want to this type object:
+public class You_Have_Been_P0wned {
+ // Make a bunch of int-fields so I can peek & poke it
+ int _a;
+ int _b;
+ int _c;
+ int _d;
+
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/bug_21227.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,61 @@
+
+import java.lang.reflect.*;
+import java.security.*;
+
+abstract public class bug_21227 {
+
+ // Jam anything you want in here, it will be cast to a You_Have_Been_P0wned
+ public static Object _p0wnee;
+
+ public static void main(String argv[]) throws ClassNotFoundException, InstantiationException, IllegalAccessException {
+ System.out.println("Warmup");
+
+ // Make a Class 'many_loader' under the default loader
+ bug_21227 bug = new many_loader();
+
+ // Some classes under a new Loader, LOADER2, including another version of 'many_loader'
+ ClassLoader LOADER2 = new Loader2();
+ Class clazz2 = LOADER2.loadClass("from_loader2");
+ IFace iface = (IFace)clazz2.newInstance();
+
+ // Set the victim, a String of length 6
+ String s = "victim";
+ _p0wnee = s;
+
+ // Go cast '_p0wnee' to type You_Have_Been_P0wned
+ many_loader[] x2 = bug.make(iface);
+
+ many_loader b = x2[0];
+
+ // Make it clear that the runtime type many_loader (what we get from the
+ // array X2) varies from the static type of many_loader.
+ Class cl1 = b.getClass();
+ ClassLoader ld1 = cl1.getClassLoader();
+ Class cl2 = many_loader.class;
+ ClassLoader ld2 = cl2.getClassLoader();
+ System.out.println("bug.make() "+ld1+":"+cl1);
+ System.out.println("many_loader "+ld2+":"+cl2);
+
+ // Read the victims guts out
+ You_Have_Been_P0wned q = b._p0wnee;
+ System.out.println("q._a = 0x"+Integer.toHexString(q._a));
+ System.out.println("q._b = 0x"+Integer.toHexString(q._b));
+ System.out.println("q._c = 0x"+Integer.toHexString(q._c));
+ System.out.println("q._d = 0x"+Integer.toHexString(q._d));
+
+ System.out.println("I will now crash the VM:");
+ // On 32-bit HotSpot Java6 this sets the victim String length shorter, then crashes the VM
+ //q._c = 3;
+ q._a = -1;
+
+ System.out.println(s);
+
+ }
+
+ // I need to compile (hence call in a loop) a function which returns a value
+ // loaded from classloader other than the system one. The point of this
+ // call is to give me an abstract 'hook' into a function loaded with a
+ // foreign loader.
+ public abstract many_loader[] make( IFace iface ); // abstract factory
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/from_loader2.java Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,9 @@
+// A simple class to extend an abstract class and get loaded with different
+// loaders. This class is loaded via LOADER2.
+public class from_loader2 implements IFace {
+ public many_loader[] gen() {
+ many_loader[] x = new many_loader[1];
+ x[0] = new many_loader();
+ return x;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/many_loader1.java.foo Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,23 @@
+// A simple class to extend an abstract class and get loaded with different
+// loaders. This class is loaded via LOADER1. A similar named class will
+// be loaded via LOADER2.
+public class many_loader extends bug_21227 {
+ public You_Have_Been_P0wned _p0wnee;
+
+ // I need to compile (hence call in a loop) a function which returns a value
+ // loaded from classloader other than the system one. The point of this
+ // call is to give me an abstract 'hook' into a function loaded with a
+ // foreign loader.
+
+ // The original 'make(boolean)' returns a bug_21227. The VM will inject a
+ // synthetic method to up-cast the returned 'from_loader1' into a
+ // 'bug_21227'.
+ public many_loader[] make( IFace iface ) {
+ // This function needs to return a value known to be loaded from LOADER2.
+ // Since I need to use a yet different loader, I need to make an unknown
+ // foreign call. In this case I'll be using an interface to make the
+ // unknown call, with but a single implementor so the compiler can do the
+ // upcast statically.
+ return iface==null ? null : iface.gen();
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/6626217/many_loader2.java.foo Tue Aug 17 22:52:50 2010 -0700
@@ -0,0 +1,19 @@
+// A simple class to extend an abstract class and get loaded with different
+// loaders. This class is loaded via LOADER2. A similar named class will
+// be loaded via LOADER1.
+public class many_loader extends bug_21227 {
+ final Object _ref_to_be_p0wned;
+
+ many_loader() {
+ _ref_to_be_p0wned = bug_21227._p0wnee;
+ System.out.println("Gonna hack this thing: " + _ref_to_be_p0wned.toString() );
+ }
+
+ // I need to compile (hence call in a loop) a function which returns a value
+ // loaded from classloader other than the system one. The point of this
+ // call is to give me an abstract 'hook' into a function loaded with a
+ // foreign loader.
+ public many_loader[] make( IFace iface ) {
+ throw new Error("do not call me");
+ }
+}