8042155: [TESTBUG] Tests for stack guard pages have to be cleaned up
Tests for 6929067 and 8009062 should be composed to single test that provide better testing for stack guard pages behaviour Reviewed-by: coleenp, dcubed, dsimms
This commit is contained in:
Dmitry Samersoff
parent
cab91cae04
commit
e70b7ac623
@ -1,12 +0,0 @@
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public class T
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{
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public static boolean foo(boolean bar)
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{
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return bar;
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}
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public static void printIt()
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{
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System.out.println("Hello");
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}
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}
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@ -1,90 +0,0 @@
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#include <assert.h>
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#include <jni.h>
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#include <alloca.h>
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#include <pthread.h>
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union env_union
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{
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void *void_env;
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JNIEnv *jni_env;
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};
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union env_union tmp;
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JNIEnv* env;
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JavaVM* jvm;
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JavaVMInitArgs vm_args;
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JavaVMOption options[1];
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jclass class_id;
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jmethodID method_id;
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jint result;
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long product(unsigned long n, unsigned long m) {
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if (m == 1) {
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return n;
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} else {
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int *p = alloca(sizeof (int));
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*p = n;
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return product (n, m-1) + *p;
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}
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}
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void *
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floobydust (void *p)
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{
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(*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL);
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env = tmp.jni_env;
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class_id = (*env)->FindClass (env, "T");
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assert (class_id);
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method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V");
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assert (method_id);
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(*env)->CallStaticVoidMethod (env, class_id, method_id, NULL);
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(*jvm)->DetachCurrentThread(jvm);
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printf("%ld\n", product(5000,5000));
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(*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL);
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env = tmp.jni_env;
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class_id = (*env)->FindClass (env, "T");
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assert (class_id);
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method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V");
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assert (method_id);
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(*env)->CallStaticVoidMethod (env, class_id, method_id, NULL);
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(*jvm)->DetachCurrentThread(jvm);
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printf("%ld\n", product(5000,5000));
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return NULL;
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}
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int
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main (int argc, const char** argv)
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{
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options[0].optionString = "-Xss320k";
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vm_args.version = JNI_VERSION_1_2;
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vm_args.ignoreUnrecognized = JNI_TRUE;
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vm_args.options = options;
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vm_args.nOptions = 1;
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result = JNI_CreateJavaVM (&jvm, &tmp.void_env, &vm_args);
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assert (result >= 0);
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env = tmp.jni_env;
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floobydust (NULL);
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pthread_t thr;
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pthread_create (&thr, NULL, floobydust, NULL);
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pthread_join (thr, NULL);
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return 0;
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}
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@ -1,72 +0,0 @@
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/*
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* Copyright (c) 2013, 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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#include <assert.h>
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#include <jni.h>
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#include <pthread.h>
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JavaVM* jvm;
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void *
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floobydust (void *p) {
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JNIEnv *env;
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jclass class_id;
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jmethodID method_id;
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(*jvm)->AttachCurrentThread(jvm, (void**)&env, NULL);
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class_id = (*env)->FindClass (env, "DoOverflow");
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assert (class_id);
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method_id = (*env)->GetStaticMethodID(env, class_id, "printIt", "()V");
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assert (method_id);
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(*env)->CallStaticVoidMethod(env, class_id, method_id, NULL);
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(*jvm)->DetachCurrentThread(jvm);
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}
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int
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main (int argc, const char** argv) {
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JavaVMOption options[1];
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options[0].optionString = (char*) "-Xss320k";
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JavaVMInitArgs vm_args;
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vm_args.version = JNI_VERSION_1_2;
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vm_args.ignoreUnrecognized = JNI_TRUE;
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vm_args.options = options;
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vm_args.nOptions = 1;
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JNIEnv* env;
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jint result = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
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assert(result >= 0);
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pthread_t thr;
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pthread_create(&thr, NULL, floobydust, NULL);
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pthread_join(thr, NULL);
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floobydust(NULL);
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return 0;
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}
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@ -1,77 +0,0 @@
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#!/bin/sh
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# Copyright (c) 2013 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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# @test testme.sh
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# @bug 8009062
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# @summary Poor performance of JNI AttachCurrentThread after fix for 7017193
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# @compile DoOverflow.java
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# @run shell testme.sh
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set -x
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if [ "${TESTSRC}" = "" ]
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then
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TESTSRC=${PWD}
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echo "TESTSRC not set. Using "${TESTSRC}" as default"
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fi
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echo "TESTSRC=${TESTSRC}"
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## Adding common setup Variables for running shell tests.
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. ${TESTSRC}/../../test_env.sh
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if [ "${VM_OS}" != "linux" ]
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then
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echo "Test only valid for Linux"
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exit 0
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fi
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gcc_cmd=`which gcc`
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if [ "x$gcc_cmd" = "x" ]; then
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echo "WARNING: gcc not found. Cannot execute test." 2>&1
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exit 0;
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fi
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CFLAGS="-m${VM_BITS}"
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LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/${VM_CPU}/${VM_TYPE}:/usr/lib:$LD_LIBRARY_PATH
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export LD_LIBRARY_PATH
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cp ${TESTSRC}/invoke.c .
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# Copy the result of our @compile action:
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cp ${TESTCLASSES}/DoOverflow.class .
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echo "Architecture: ${VM_CPU}"
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echo "Compilation flag: ${CFLAGS}"
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echo "VM type: ${VM_TYPE}"
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echo "LD_LIBRARY_PATH: ${LD_LIBRARY_PATH}"
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# Note pthread may not be found thus invoke creation will fail to be created.
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# Check to ensure you have a /usr/lib/libpthread.so if you don't please look
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# for /usr/lib/`uname -m`-linux-gnu version ensure to add that path to below compilation.
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$gcc_cmd -DLINUX ${CFLAGS} -o invoke \
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-I${TESTJAVA}/include -I${TESTJAVA}/include/linux \
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-L${TESTJAVA}/jre/lib/${VM_CPU}/${VM_TYPE} \
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-ljvm -lpthread invoke.c
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./invoke
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exit $?
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@ -30,12 +30,16 @@ public class DoOverflow {
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overflow();
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}
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public static void printAlive() {
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System.out.println("Java thread is alive.");
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}
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public static void printIt() {
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System.out.println("Going to overflow stack");
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try {
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new DoOverflow().overflow();
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} catch(java.lang.StackOverflowError e) {
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System.out.println("Overflow OK " + count);
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System.out.println("Test PASSED. Got StackOverflowError at " + count + " iteration");
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}
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}
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}
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266
hotspot/test/runtime/StackGuardPages/invoke.c
Normal file
266
hotspot/test/runtime/StackGuardPages/invoke.c
Normal file
@ -0,0 +1,266 @@
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/*
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* Copyright (c) 2010, 2014, 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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/* This code tests the fact that we actually remove stack guard page when calling
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* JavaThread::exit() i.e. when detaching from current thread.
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* We overflow the stack and check that we get access error because of a guard page.
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* Than we detach from vm thread and overflow stack once again. This time we shouldn't
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* get access error because stack guard page is removed
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*
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* Notice: due a complicated interaction of signal handlers, the test may crash.
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* It's OK - don't file a bug.
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*/
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#include <assert.h>
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#include <jni.h>
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#include <alloca.h>
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#include <signal.h>
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#include <sys/mman.h>
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#include <stdlib.h>
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#include <sys/ucontext.h>
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#include <setjmp.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <errno.h>
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#include <pthread.h>
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JavaVM* _jvm;
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static jmp_buf context;
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static int _last_si_code = -1;
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static int _failures = 0;
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static int _rec_count = 0;
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static int _kp_rec_count = 0;
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pid_t gettid() {
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return (pid_t) syscall(SYS_gettid);
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}
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static void handler(int sig, siginfo_t *si, void *unused) {
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_last_si_code = si->si_code;
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printf("Got SIGSEGV(%d) at address: 0x%lx\n",si->si_code, (long) si->si_addr);
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longjmp(context, 1);
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}
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void set_signal_handler() {
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static char altstack[SIGSTKSZ];
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stack_t ss = {
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.ss_size = SIGSTKSZ,
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.ss_flags = 0,
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.ss_sp = altstack
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};
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struct sigaction sa = {
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.sa_sigaction = handler,
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.sa_flags = SA_ONSTACK | SA_SIGINFO | SA_RESETHAND
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};
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_last_si_code = -1;
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sigaltstack(&ss, 0);
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sigemptyset(&sa.sa_mask);
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if (sigaction(SIGSEGV, &sa, NULL) == -1) {
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fprintf(stderr, "Test ERROR. Can't set sigaction (%d)\n", errno);
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exit(7);
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}
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}
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void *run_java_overflow (void *p) {
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JNIEnv *env;
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jclass class_id;
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jmethodID method_id;
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int res;
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res = (*_jvm)->AttachCurrentThread(_jvm, (void**)&env, NULL);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't attach to current thread\n");
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exit(7);
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}
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class_id = (*env)->FindClass (env, "DoOverflow");
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if (class_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't load class DoOverflow\n");
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exit(7);
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}
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method_id = (*env)->GetStaticMethodID(env, class_id, "printIt", "()V");
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if (method_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't find method DoOverflow.printIt\n");
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exit(7);
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}
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(*env)->CallStaticVoidMethod(env, class_id, method_id, NULL);
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res = (*_jvm)->DetachCurrentThread(_jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't call detach from current thread\n");
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exit(7);
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}
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}
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void do_overflow(){
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int *p = alloca(sizeof(int));
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if (_kp_rec_count == 0 || _rec_count < _kp_rec_count) {
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_rec_count ++;
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do_overflow();
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}
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}
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void *run_native_overflow(void *p) {
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// Test that stack guard page is correctly set for initial and non initial thread
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// and correctly removed for the initial thread
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JNIEnv *env;
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jclass class_id;
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jmethodID method_id;
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int res;
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printf("run_native_overflow %ld\n", (long) gettid());
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res = (*_jvm)->AttachCurrentThread(_jvm, (void **)&env, NULL);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't attach to current thread\n");
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exit(7);
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}
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class_id = (*env)->FindClass (env, "DoOverflow");
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if (class_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't load class DoOverflow\n");
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exit(7);
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}
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method_id = (*env)->GetStaticMethodID (env, class_id, "printAlive", "()V");
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if (method_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't find method DoOverflow.printAlive\n");
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exit(7);
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}
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(*env)->CallStaticVoidMethod (env, class_id, method_id, NULL);
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set_signal_handler();
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if (! setjmp(context)) {
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do_overflow();
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}
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if (_last_si_code == SEGV_ACCERR) {
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printf("Test PASSED. Got access violation accessing guard page at %d\n", _rec_count);
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}
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res = (*_jvm)->DetachCurrentThread(_jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't call detach from current thread\n");
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exit(7);
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}
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if (getpid() != gettid()) {
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// For non-initial thread we don't unmap the region but call os::uncommit_memory and keep PROT_NONE
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// so if host has enough swap space we will get the same SEGV with code SEGV_ACCERR(2) trying
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// to access it as if the guard page is present.
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// We have no way to check this, so bail out, marking test as succeeded
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printf("Test PASSED. Not initial thread\n");
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return NULL;
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}
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// Limit depth of recursion for second run. It can't exceed one for first run.
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_kp_rec_count = _rec_count;
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_rec_count = 0;
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set_signal_handler();
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if (! setjmp(context)) {
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do_overflow();
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}
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if (_last_si_code == SEGV_ACCERR) {
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++ _failures;
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fprintf(stderr,"Test FAILED. Stack guard page is still there at %d\n", _rec_count);
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} else if (_last_si_code == -1) {
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printf("Test PASSED. No stack guard page is present. Maximum recursion level reached at %d\n", _rec_count);
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}
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else{
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printf("Test PASSED. No stack guard page is present. SIGSEGV(%d) at %d\n", _last_si_code, _rec_count);
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}
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return NULL;
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}
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void usage() {
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fprintf(stderr, "Usage: invoke test_java_overflow\n");
|
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fprintf(stderr, " invoke test_native_overflow\n");
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exit(7);
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}
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|
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|
||||
int main (int argc, const char** argv) {
|
||||
JavaVMInitArgs vm_args;
|
||||
JavaVMOption options[2];
|
||||
JNIEnv* env;
|
||||
|
||||
printf("Test started with pid: %ld\n", (long) getpid());
|
||||
|
||||
options[0].optionString = "-Xint";
|
||||
options[1].optionString = "-Xss320k";
|
||||
|
||||
vm_args.version = JNI_VERSION_1_2;
|
||||
vm_args.ignoreUnrecognized = JNI_TRUE;
|
||||
vm_args.options = options;
|
||||
vm_args.nOptions = 2;
|
||||
|
||||
if (JNI_CreateJavaVM (&_jvm, (void **)&env, &vm_args) < 0 ) {
|
||||
fprintf(stderr, "Test ERROR. Can't create JavaVM\n");
|
||||
exit(7);
|
||||
}
|
||||
|
||||
pthread_t thr;
|
||||
|
||||
if (argc > 1 && strcmp(argv[1], "test_java_overflow") == 0) {
|
||||
printf("\nTesting JAVA_OVERFLOW\n");
|
||||
|
||||
printf("Testing stack guard page behaviour for other thread\n");
|
||||
pthread_create (&thr, NULL, run_java_overflow, NULL);
|
||||
pthread_join (thr, NULL);
|
||||
|
||||
printf("Testing stack guard page behaviour for initial thread\n");
|
||||
run_java_overflow(NULL);
|
||||
// This test crash on error
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if (argc > 1 && strcmp(argv[1], "test_native_overflow") == 0) {
|
||||
printf("\nTesting NATIVE_OVERFLOW\n");
|
||||
|
||||
printf("Testing stack guard page behaviour for other thread\n");
|
||||
pthread_create (&thr, NULL, run_native_overflow, NULL);
|
||||
pthread_join (thr, NULL);
|
||||
|
||||
printf("Testing stack guard page behaviour for initial thread\n");
|
||||
run_native_overflow(NULL);
|
||||
|
||||
exit((_failures > 0) ? 1 : 0);
|
||||
}
|
||||
|
||||
fprintf(stderr, "Test ERROR. Unknown parameter %s\n", ((argc > 1) ? argv[1] : "none"));
|
||||
usage();
|
||||
}
|
||||
@ -1,13 +1,10 @@
|
||||
#!/bin/sh
|
||||
|
||||
##
|
||||
## @test Test6929067.sh
|
||||
## @bug 6929067
|
||||
## @bug 8021296
|
||||
## @bug 8025519
|
||||
## @summary Stack guard pages should be removed when thread is detached
|
||||
## @run shell Test6929067.sh
|
||||
##
|
||||
#
|
||||
# @test testme.sh
|
||||
# @summary Stack guard pages should be installed correctly and removed when thread is detached
|
||||
# @run shell testme.sh
|
||||
#
|
||||
|
||||
if [ "${TESTSRC}" = "" ]
|
||||
then
|
||||
@ -32,12 +29,9 @@ fi
|
||||
|
||||
CFLAGS=-m${VM_BITS}
|
||||
|
||||
LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/${VM_CPU}/${VM_TYPE}:/usr/lib:$LD_LIBRARY_PATH
|
||||
LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/${VM_CPU}/${VM_TYPE}:${TESTJAVA}/lib/${VM_CPU}/${VM_TYPE}:/usr/lib:$LD_LIBRARY_PATH
|
||||
export LD_LIBRARY_PATH
|
||||
|
||||
cp ${TESTSRC}/*.java ${THIS_DIR}
|
||||
${COMPILEJAVA}/bin/javac *.java
|
||||
|
||||
echo "Architecture: ${VM_CPU}"
|
||||
echo "Compilation flag: ${CFLAGS}"
|
||||
echo "VM type: ${VM_TYPE}"
|
||||
@ -47,10 +41,20 @@ echo "LD_LIBRARY_PATH: ${LD_LIBRARY_PATH}"
|
||||
# Check to ensure you have a /usr/lib/libpthread.so if you don't please look
|
||||
# for /usr/lib/`uname -m`-linux-gnu version ensure to add that path to below compilation.
|
||||
|
||||
$gcc_cmd -DLINUX ${CFLAGS} -o invoke \
|
||||
cp ${TESTSRC}/DoOverflow.java .
|
||||
${COMPILEJAVA}/bin/javac DoOverflow.java
|
||||
|
||||
$gcc_cmd -DLINUX -g3 ${CFLAGS} -o invoke \
|
||||
-I${TESTJAVA}/include -I${TESTJAVA}/include/linux \
|
||||
-L${TESTJAVA}/jre/lib/${VM_CPU}/${VM_TYPE} \
|
||||
-L${TESTJAVA}/lib/${VM_CPU}/${VM_TYPE} \
|
||||
${TESTSRC}/invoke.c -ljvm -lpthread
|
||||
|
||||
./invoke
|
||||
if [ $? -ne 0 ] ; then
|
||||
echo "Compile failed, Ignoring failed compilation and forcing the test to pass"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
./invoke test_java_overflow
|
||||
./invoke test_native_overflow
|
||||
exit $?
|
||||
Loading…
Reference in New Issue
Block a user