297 lines
9.7 KiB
C++
297 lines
9.7 KiB
C++
/*
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* Copyright (c) 2003, 2018, 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <jvmti.h>
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#include "agent_common.h"
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#include "nsk_tools.h"
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#include "JVMTITools.h"
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#include "jvmti_tools.h"
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#include "jni_tools.h"
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extern "C" {
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#define STATUS_FAILED 2
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#define PASSED 0
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#define MEM_SIZE 1024
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static const char *CLASS_SIG =
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"Lnsk/jvmti/ObjectFree/objfree001u;";
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static jvmtiEnv *jvmti = NULL;
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static jvmtiEventCallbacks callbacks;
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static volatile jint result = PASSED;
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static volatile int objfree = 0;
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static volatile jboolean clsUnloaded = JNI_FALSE;
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unsigned char *mem;
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typedef struct _LocalStorage {
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unsigned char data[MEM_SIZE];
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} LocalStorage;
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static LocalStorage stor;
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static void rawMonitorFunc(jvmtiEnv *jvmti_env, const char *msg) {
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jrawMonitorID _lock;
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NSK_DISPLAY1("%s: creating a raw monitor ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->CreateRawMonitor("_lock", &_lock))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to create a raw monitor\n\n",
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msg);
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return;
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}
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NSK_DISPLAY1("CHECK PASSED: %s: raw monitor created\n",
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msg);
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NSK_DISPLAY1("%s: entering the raw monitor ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorEnter(_lock))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to enter the raw monitor\n\n",
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msg);
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}
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else {
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NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor entered\n",
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msg);
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NSK_DISPLAY1("%s: exiting the raw monitor ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorExit(_lock))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to exit the raw monitor\n\n",
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msg);
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}
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NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor exited\n",
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msg);
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}
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NSK_DISPLAY1("%s: destroying the raw monitor ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->DestroyRawMonitor(_lock))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to destroy a raw monitor\n",
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msg);
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return;
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}
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NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor destroyed\n",
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msg);
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}
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static void memoryFunc(jvmtiEnv *jvmti_env, const char *msg) {
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NSK_DISPLAY1("%s: allocating memory ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->Allocate(MEM_SIZE, &mem))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to allocate memory\n\n",
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msg);
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return;
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}
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else
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NSK_DISPLAY1("CHECK PASSED: %s: memory has been allocated successfully\n",
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msg);
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NSK_DISPLAY1("%s: deallocating memory ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate(mem))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to deallocate memory\n\n",
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msg);
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}
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else
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NSK_DISPLAY1("CHECK PASSED: %s: memory has been deallocated successfully\n",
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msg);
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}
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static void envStorageFunc(jvmtiEnv *jvmti_env, const char *msg) {
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LocalStorage* obtainedData = NULL;
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LocalStorage* storedData = &stor;
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NSK_DISPLAY2("%s: setting an environment local storage 0x%p ...\n",
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msg, (void*) &stor);
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if (!NSK_JVMTI_VERIFY(jvmti_env->SetEnvironmentLocalStorage((const void*) &stor))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to set an environment local storage\n\n",
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msg);
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return;
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}
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else
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NSK_DISPLAY1("CHECK PASSED: %s: environment local storage has been set successfully\n",
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msg);
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NSK_DISPLAY1("%s: getting an environment local storage ...\n",
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msg);
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if (!NSK_JVMTI_VERIFY(jvmti_env->GetEnvironmentLocalStorage((void**) &obtainedData))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: %s: unable to get an environment local storage\n\n",
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msg);
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return;
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}
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else {
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if (obtainedData != storedData) {
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result = STATUS_FAILED;
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NSK_COMPLAIN3(
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"TEST FAILED: %s: obtained an environment local storage has unexpected pointer:\n"
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"got: 0x%p\texpected: 0x%p\n\n",
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msg, (void*) obtainedData, (void*) storedData);
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}
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else
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NSK_DISPLAY2("CHECK PASSED: %s: environment local storage 0x%p obtained successfully\n",
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msg, (void*) obtainedData);
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}
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}
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/** callback functions **/
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void JNICALL
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ObjectFree(jvmtiEnv *jvmti_env, jlong tag) {
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NSK_DISPLAY1(">>>> ObjectFree event received for an object with tag %ld\n",
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(long) tag);
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if (tag != 1) {
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result = STATUS_FAILED;
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NSK_COMPLAIN1("TEST FAILED: unexpected ObjectFree event for an object with unknown tag %ld\n",
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(long) tag);
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}
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else {
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objfree++;
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NSK_DISPLAY0("CHECK PASSED: ObjectFree event received for previously tagged object\n");
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}
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rawMonitorFunc(jvmti_env, "ObjectFree");
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memoryFunc(jvmti_env, "ObjectFree");
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envStorageFunc(jvmti_env, "ObjectFree");
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NSK_DISPLAY0("<<<<\n\n");
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}
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void JNICALL
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VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
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NSK_DISPLAY0("VMDeath event received\n");
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if (clsUnloaded == JNI_TRUE) {
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if (objfree == 0) {
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NSK_DISPLAY1(
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"Warning: no ObjectFree events for a tagged object\n"
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"\twhich class \"%s\" has been detected for unloading\n\n",
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CLASS_SIG);
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} else {
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NSK_DISPLAY2(
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"CHECK PASSED: %d ObjectFree event(s) received for a tagged object\n"
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"\twhich class \"%s\" has been detected for unloading\n\n",
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objfree, CLASS_SIG);
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}
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} else {
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NSK_DISPLAY1(
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"Warning: unloading of the tested class \"%s\" has not been detected,\n"
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"\tso the test has no results\n",
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CLASS_SIG);
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}
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if (result == STATUS_FAILED)
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exit(95 + STATUS_FAILED);
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}
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/************************/
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_ObjectFree_objfree001_setTag(JNIEnv *jni_env, jobject obj, jobject objToTag) {
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if (!NSK_JVMTI_VERIFY(jvmti->SetTag(objToTag, (jlong) 1))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN0("TEST FAILED: unable to set tag for a tested object\n");
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}
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}
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_ObjectFree_objfree001_inform(
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JNIEnv *env, jobject obj, jboolean unLoaded) {
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clsUnloaded = unLoaded;
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_objfree001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_objfree001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_objfree001(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jvmtiCapabilities caps;
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/* init framework and parse options */
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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/* create JVMTI environment */
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
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return JNI_ERR;
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/* add capability to generate compiled method events */
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memset(&caps, 0, sizeof(jvmtiCapabilities));
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caps.can_generate_object_free_events = 1;
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caps.can_tag_objects = 1;
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if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
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return JNI_ERR;
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if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&caps)))
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return JNI_ERR;
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if (!caps.can_generate_object_free_events)
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NSK_DISPLAY0("Warning: generation of object free events is not implemented\n");
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if (!caps.can_tag_objects)
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NSK_DISPLAY0("Warning: tagging objects is not implemented\n");
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/* set event callback */
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NSK_DISPLAY0("setting event callbacks ...\n");
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(void) memset(&callbacks, 0, sizeof(callbacks));
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callbacks.VMDeath = &VMDeath;
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callbacks.ObjectFree = &ObjectFree;
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks))))
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return JNI_ERR;
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NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_VM_DEATH,
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NULL)))
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return JNI_ERR;
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_OBJECT_FREE,
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NULL)))
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return JNI_ERR;
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NSK_DISPLAY0("enabling the events done\n\n");
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return JNI_OK;
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}
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}
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