test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/allocation/AP04/ap04t003/ap04t003.cpp
8223044: Add back exception checking in tests
Summary: Add exception checking to previously modified tests
Reviewed-by: sspitsyn, cjplummer
/*
* Copyright (c) 2004, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdio.h>
#include <string.h>
#include <jvmti.h>
#include "agent_common.h"
#include "ExceptionCheckingJniEnv.hpp"
#include "nsk_tools.h"
#include "jni_tools.h"
#include "JVMTITools.h"
#include "jvmti_tools.h"
extern "C" {
#define OBJ_MAX_COUNT 100000
static JNIEnv *jni = NULL;
static jvmtiEnv *jvmti = NULL;
static jvmtiEventCallbacks callbacks;
static jvmtiCapabilities caps;
static jlong timeout = 0;
static const char* DEBUGEE_SIGNATURE = "Lnsk/jvmti/scenarios/allocation/AP04/ap04t003;";
static const char* ROOT_SIGNATURE = "[Lnsk/jvmti/scenarios/allocation/AP04/ap04t003;";
static jclass debugeeClass = NULL;
static jfieldID rootFieldID;
static jrawMonitorID startLock = NULL;
static jrawMonitorID runLock = NULL;
static jrawMonitorID endLock = NULL;
static volatile int iterationCount = 0;
static volatile int objectCount = 0;
/***********************************************************************/
static jrawMonitorID counterMonitor_ptr = NULL;
static void increaseCounter(volatile int* counterPtr) {
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
(*counterPtr)++;
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
}
static void setCounter(volatile int* counterPtr, int value) {
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
*counterPtr = value;
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
}
static int getCounter(volatile int* counterPtr) {
int result;
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
result = *counterPtr;
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(counterMonitor_ptr))) {
nsk_jvmti_setFailStatus();
}
return result;
}
/***********************************************************************/
void notifyThread() {
/* enter and notify runLock */
{
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(runLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorNotify(runLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(runLock))) {
nsk_jvmti_setFailStatus();
}
}
}
jvmtiIterationControl JNICALL
heapObjectCallback(jlong class_tag,
jlong size,
jlong* tag_ptr,
void* user_data) {
if (getCounter(&iterationCount) == 0) {
notifyThread();
}
increaseCounter(&iterationCount);
if (*tag_ptr > 0) {
increaseCounter(&objectCount);
}
return JVMTI_ITERATION_CONTINUE;
}
/* jvmtiHeapRootCallback */
jvmtiIterationControl JNICALL
heapRootCallback(jvmtiHeapRootKind root_kind,
jlong class_tag,
jlong size,
jlong* tag_ptr,
void* user_data) {
if (getCounter(&iterationCount) == 0) {
notifyThread();
}
increaseCounter(&iterationCount);
if (*tag_ptr > 0) {
increaseCounter(&objectCount);
}
return JVMTI_ITERATION_CONTINUE;
}
/* jvmtiStackReferenceCallback */
jvmtiIterationControl JNICALL
stackReferenceCallback(jvmtiHeapRootKind root_kind,
jlong class_tag,
jlong size,
jlong* tag_ptr,
jlong thread_tag,
jint depth,
jmethodID method,
jint slot,
void* user_data) {
if (getCounter(&iterationCount) == 0) {
notifyThread();
}
increaseCounter(&iterationCount);
if (*tag_ptr > 0) {
increaseCounter(&objectCount);
}
return JVMTI_ITERATION_CONTINUE;
}
/* jvmtiObjectReferenceCallback */
jvmtiIterationControl JNICALL
objectReferenceCallback(jvmtiObjectReferenceKind reference_kind,
jlong class_tag,
jlong size,
jlong* tag_ptr,
jlong referrer_tag,
jint referrer_index,
void* user_data) {
if (getCounter(&iterationCount) == 0) {
notifyThread();
}
increaseCounter(&iterationCount);
if (*tag_ptr > 0) {
increaseCounter(&objectCount);
}
return JVMTI_ITERATION_CONTINUE;
}
/********* Agent thread modifying tags of objects ************/
/** Body of new agent thread: modify tags of tagged object. */
void JNICALL agent_start(jvmtiEnv* jvmti, JNIEnv* jni, void *p) {
jint taggedObjectsCount = 0;
jobject* taggedObjectsList = NULL;
NSK_DISPLAY0("Agent thread: started.\n");
/* obtain tagged objects list */
{
jlong tag = (jlong)1;
if (!NSK_JVMTI_VERIFY(jvmti->GetObjectsWithTags(
1, &tag, &taggedObjectsCount, &taggedObjectsList, NULL))) {
nsk_jvmti_setFailStatus();
return;
}
}
NSK_DISPLAY1("Agent thread: got tagged objects: %d\n", (int)taggedObjectsCount);
if (!NSK_VERIFY(taggedObjectsCount == OBJ_MAX_COUNT)) {
nsk_jvmti_setFailStatus();
return;
}
/* enter runLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(runLock))) {
nsk_jvmti_setFailStatus();
}
/* enter and notify startLock */
{
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(startLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorNotify(startLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(startLock))) {
nsk_jvmti_setFailStatus();
}
}
NSK_DISPLAY0("Agent thread: wait for run notification\n");
/* wait on runLock */
{
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorWait(runLock, timeout))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(runLock))) {
nsk_jvmti_setFailStatus();
}
}
NSK_DISPLAY0("Agent thread: modify tags of each even object.\n");
/* modify tags of each even object */
{
int modified = 0;
int i;
for (i = 0; i < taggedObjectsCount; i+=2) {
if (!NSK_JVMTI_VERIFY(jvmti->SetTag(taggedObjectsList[i], 0))) {
nsk_jvmti_setFailStatus();
continue;
}
modified++;
}
NSK_DISPLAY2("Agent thread: tags modified: %d of %d\n",
modified, (int)taggedObjectsCount);
}
/* destroy objects list */
{
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)taggedObjectsList))) {
nsk_jvmti_setFailStatus();
}
}
/* enter and notify endLock */
{
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(endLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorNotify(endLock))) {
nsk_jvmti_setFailStatus();
}
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(endLock))) {
nsk_jvmti_setFailStatus();
}
}
NSK_DISPLAY0("Agent thread: finished.\n");
}
/***********************************************************************/
static int startThread(jthread threadObj) {
int success = NSK_TRUE;
/* enter startLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(startLock))) {
nsk_jvmti_setFailStatus();
}
/* start thread */
if (!NSK_JVMTI_VERIFY(
jvmti->RunAgentThread(threadObj, agent_start, NULL, JVMTI_THREAD_NORM_PRIORITY))) {
success = NSK_FALSE;
nsk_jvmti_setFailStatus();
} else {
/* wait on startLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorWait(startLock, timeout))) {
nsk_jvmti_setFailStatus();
}
}
/* exit starLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(startLock))) {
nsk_jvmti_setFailStatus();
}
return success;
}
/** Create thread object for new agent thread. */
static jthread newThreadObj(JNIEnv* jni_env) {
ExceptionCheckingJniEnvPtr ec_jni(jni_env);
jclass thrClass;
jmethodID cid;
thrClass = ec_jni->FindClass("java/lang/Thread", TRACE_JNI_CALL);
cid = ec_jni->GetMethodID(thrClass, "<init>", "()V", TRACE_JNI_CALL);
return ec_jni->NewObject(thrClass, cid, TRACE_JNI_CALL);
}
/***********************************************************************/
/** Clean counters and start new agent thread with agent_start() body. */
static int prepareToIteration(JNIEnv* jni) {
jthread threadObj = NULL;
setCounter(&iterationCount, 0);
setCounter(&objectCount, 0);
threadObj = newThreadObj(jni);
/* enter endLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorEnter(endLock))) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("Starting new agent thread...\n");
return startThread(threadObj);
}
/** Wait for new agent thread to complete. */
static void afterIteration() {
/* notify new agent thread (in case if not yet notified) */
notifyThread();
NSK_DISPLAY0("Wait for new agent thread to complete\n");
/* wait on endLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorWait(endLock, timeout))) {
nsk_jvmti_setFailStatus();
}
/* exit endLock */
if (!NSK_JVMTI_VERIFY(jvmti->RawMonitorExit(endLock))) {
nsk_jvmti_setFailStatus();
}
}
/***********************************************************************/
JNIEXPORT void JNICALL
Java_nsk_jvmti_scenarios_allocation_AP04_ap04t003_setTag(JNIEnv* jni,
jclass klass,
jobject target, /* object to be tagged */
jlong tag) {
if (!NSK_JVMTI_VERIFY(jvmti->SetTag(target, tag))) {
nsk_jvmti_setFailStatus();
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_scenarios_allocation_AP04_ap04t003_runIterateOverHeap(JNIEnv* jni,
jclass klass) {
int modified = 0;
int found = 0;
if (!prepareToIteration(jni))
return;
NSK_DISPLAY0("Calling IterateOverHeap...\n");
if (!NSK_JVMTI_VERIFY(jvmti->IterateOverHeap(JVMTI_HEAP_OBJECT_TAGGED,
heapObjectCallback,
NULL /*user_data*/))) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("IterateOverHeap finished.\n");
afterIteration();
found = getCounter(&objectCount);
NSK_DISPLAY1("Found tagged objects: %d\n", found);
modified = OBJ_MAX_COUNT - found;
if (modified > 0) {
NSK_COMPLAIN2("Tags were modified by other thread during heap iteration: %d of %d\n",
modified, OBJ_MAX_COUNT);
nsk_jvmti_setFailStatus();
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_scenarios_allocation_AP04_ap04t003_runIterateOverReachableObjects(JNIEnv* jni,
jclass klass) {
int modified = 0;
int found = 0;
if (!prepareToIteration(jni))
return;
NSK_DISPLAY0("Calling IterateOverReachableObjects...\n");
if (!NSK_JVMTI_VERIFY(jvmti->IterateOverReachableObjects(heapRootCallback,
stackReferenceCallback,
objectReferenceCallback,
NULL /*user_data*/))) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("IterateOverReachableObjects finished.\n");
afterIteration();
found = getCounter(&objectCount);
NSK_DISPLAY1("Found tagged objects: %d\n", found);
modified = OBJ_MAX_COUNT - found;
if (modified > 0) {
NSK_COMPLAIN2("Tags were modified by other thread during heap iteration: %d of %d\n",
modified, OBJ_MAX_COUNT);
nsk_jvmti_setFailStatus();
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_scenarios_allocation_AP04_ap04t003_runIterateOverInstancesOfClass(JNIEnv* jni,
jclass klass) {
int modified = 0;
int found = 0;
if (!prepareToIteration(jni))
return;
NSK_DISPLAY0("Calling IterateOverInstancesOfClass...\n");
if (!NSK_JVMTI_VERIFY(jvmti->IterateOverInstancesOfClass(debugeeClass,
JVMTI_HEAP_OBJECT_TAGGED,
heapObjectCallback,
NULL /*user_data*/))) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("IterateOverInstancesOfClass finished.\n");
afterIteration();
found = getCounter(&objectCount);
NSK_DISPLAY1("Found tagged objects: %d\n", found);
modified = OBJ_MAX_COUNT - found;
if (modified > 0) {
NSK_COMPLAIN2("Tags were modified by other thread during heap iteration: %d of %d\n",
modified, OBJ_MAX_COUNT);
nsk_jvmti_setFailStatus();
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_scenarios_allocation_AP04_ap04t003_runIterateOverObjectsReachableFromObject(JNIEnv* jni_env,
jclass klass) {
ExceptionCheckingJniEnvPtr ec_jni(jni_env);
jobject root = NULL;
int modified = 0;
int found = 0;
root = ec_jni->GetStaticObjectField(debugeeClass, rootFieldID, TRACE_JNI_CALL);
if (!prepareToIteration(jni_env))
return;
NSK_DISPLAY0("Calling IterateOverObjectsReachableFromObject...\n");
if (!NSK_JVMTI_VERIFY(jvmti->IterateOverObjectsReachableFromObject(root,
objectReferenceCallback,
NULL /*user_data*/))) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("IterateOverObjectsReachableFromObject finished.\n");
afterIteration();
found = getCounter(&objectCount);
NSK_DISPLAY1("Found tagged objects: %d\n", found);
modified = OBJ_MAX_COUNT - found;
if (modified > 0) {
NSK_COMPLAIN2("Tags were modified by other thread during heap iteration: %d of %d\n",
modified, OBJ_MAX_COUNT);
nsk_jvmti_setFailStatus();
}
}
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni_env, void* arg) {
ExceptionCheckingJniEnvPtr ec_jni(jni_env);
NSK_DISPLAY0("Wait for debugee start\n\n");
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
return;
NSK_DISPLAY1("Find debugee class: %s\n", DEBUGEE_SIGNATURE);
debugeeClass = nsk_jvmti_classBySignature(DEBUGEE_SIGNATURE);
if (debugeeClass == NULL) {
nsk_jvmti_setFailStatus();
return;
}
debugeeClass = (jclass) ec_jni->NewGlobalRef(debugeeClass, TRACE_JNI_CALL);
NSK_DISPLAY1("Find ID of 'root' field: %s\n", ROOT_SIGNATURE);
rootFieldID = ec_jni->GetStaticFieldID(debugeeClass, "root",
ROOT_SIGNATURE, TRACE_JNI_CALL);
NSK_DISPLAY0("Let debugee to run test cases\n");
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
NSK_DISPLAY0("Wait for completion of test cases\n\n");
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
return;
ec_jni->DeleteGlobalRef(debugeeClass, TRACE_JNI_CALL);
NSK_TRACE(jvmti->DestroyRawMonitor(counterMonitor_ptr));
NSK_TRACE(jvmti->DestroyRawMonitor(startLock));
NSK_TRACE(jvmti->DestroyRawMonitor(runLock));
NSK_TRACE(jvmti->DestroyRawMonitor(endLock));
NSK_DISPLAY0("Let debugee to finish\n");
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
}
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_ap04t003(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_ap04t003(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_ap04t003(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
/* init framework and parse options */
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
/* create JVMTI environment */
jvmti = nsk_jvmti_createJVMTIEnv(jvm, reserved);
if (!NSK_VERIFY(jvmti != NULL))
return JNI_ERR;
if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("counterMonitor", &counterMonitor_ptr))) {
return JNI_ERR;
}
if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("startLock", &startLock))) {
return JNI_ERR;
}
if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("runLock", &runLock))) {
return JNI_ERR;
}
if (!NSK_JVMTI_VERIFY(jvmti->CreateRawMonitor("endLock", &endLock))) {
return JNI_ERR;
}
memset(&caps, 0, sizeof(jvmtiCapabilities));
caps.can_tag_objects = 1;
if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
return JNI_ERR;
if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&caps)))
return JNI_ERR;
if (!caps.can_tag_objects)
NSK_DISPLAY0("Warning: tagging objects is not available\n");
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
return JNI_ERR;
NSK_DISPLAY0("agentProc has been set\n\n");
return JNI_OK;
}
}