519 lines
18 KiB
C++
519 lines
18 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2004, 2018, 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 <string.h>
|
||
|
|
#include "jvmti.h"
|
||
|
|
#include "agent_common.h"
|
||
|
|
#include "jni_tools.h"
|
||
|
|
#include "jvmti_tools.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static JNIEnv *jni = NULL;
|
||
|
|
static jvmtiEnv *jvmti = NULL;
|
||
|
|
static jvmtiEventCallbacks callbacks;
|
||
|
|
static jvmtiCapabilities caps;
|
||
|
|
static jlong timeout = 0;
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
static volatile long objectCount = 0, objectCountMax = 0;
|
||
|
|
static int userData = 0, callbackAborted = 0;
|
||
|
|
static int numberOfDeallocatedFromCallbacksDescriptors = 0;
|
||
|
|
|
||
|
|
typedef struct ObjectDescStruct {
|
||
|
|
jlong tag;
|
||
|
|
jlong size;
|
||
|
|
struct ObjectDescStruct *next;
|
||
|
|
} ObjectDesc;
|
||
|
|
|
||
|
|
static ObjectDesc *objectDescList, *objectDescListStart, *objectDescBuf;
|
||
|
|
static ObjectDesc* *objectDescArr;
|
||
|
|
static short* deallocatedFlagsArr;
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
void JNICALL
|
||
|
|
ObjectFree(jvmtiEnv *jvmti_env, jlong tag) {
|
||
|
|
/* decrement number of expected objects */
|
||
|
|
objectCount--;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
|
||
|
|
/** jvmtiHeapRootCallback for first iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
heapRootCallbackForFirstObjectsIteration( jvmtiHeapRootKind root_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
if (*tag_ptr != 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/* Set tag */
|
||
|
|
*tag_ptr = (jlong)++objectCount;
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (sizeof(ObjectDesc)),
|
||
|
|
(unsigned char**)&objectDescBuf))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("heapRootCallbackForFirstObjectsIteration: Allocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
(*objectDescList).tag = *tag_ptr;
|
||
|
|
(*objectDescList).size = size;
|
||
|
|
(*objectDescList).next = objectDescBuf;
|
||
|
|
|
||
|
|
/* step to next list element */
|
||
|
|
objectDescList = (*objectDescList).next;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** jvmtiHeapRootCallback for second iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
heapRootCallbackForSecondObjectsIteration( jvmtiHeapRootKind root_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
long ind = (long)((*tag_ptr) - 1);
|
||
|
|
|
||
|
|
if (*tag_ptr == 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
ObjectDesc *objectDesc = objectDescArr[ind];
|
||
|
|
jlong tag = (*objectDesc).tag;
|
||
|
|
*/
|
||
|
|
if (ind < 0 || ind > objectCountMax ) {
|
||
|
|
NSK_COMPLAIN1("heapRootCallbackForSecondObjectsIteration: invalid object tag value: %d\n", (long)*tag_ptr);
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
NSK_DISPLAY3("heapRootCallbackForSecondObjectsIteration: *tag_ptr %6d , tag %6d , objectCount %6d\n",
|
||
|
|
(long)*tag_ptr, (long)tag, objectCount);
|
||
|
|
*/
|
||
|
|
/* Deallocate memory of list element*/
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescArr[ind]))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("heapRootCallbackForSecondObjectsIteration: Deallocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
numberOfDeallocatedFromCallbacksDescriptors++;
|
||
|
|
deallocatedFlagsArr[ind] = 1;
|
||
|
|
|
||
|
|
/* unset tag */
|
||
|
|
*tag_ptr = 0;
|
||
|
|
objectCount--;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** jvmtiStackReferenceCallback for first iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
stackReferenceCallbackForFirstObjectsIteration( jvmtiHeapRootKind root_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
jlong thread_tag,
|
||
|
|
jint depth,
|
||
|
|
jmethodID method,
|
||
|
|
jint slot,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
if (*tag_ptr != 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/* Set tag */
|
||
|
|
*tag_ptr = (jlong)++objectCount;
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (sizeof(ObjectDesc)),
|
||
|
|
(unsigned char**)&objectDescBuf))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("stackReferenceCallbackForFirstObjectsIteration: Allocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
(*objectDescList).tag = *tag_ptr;
|
||
|
|
(*objectDescList).size = size;
|
||
|
|
(*objectDescList).next = objectDescBuf;
|
||
|
|
|
||
|
|
/* step to next list element */
|
||
|
|
objectDescList = (*objectDescList).next;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** jvmtiStackReferenceCallback for second iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
stackReferenceCallbackForSecondObjectsIteration( jvmtiHeapRootKind root_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
jlong thread_tag,
|
||
|
|
jint depth,
|
||
|
|
jmethodID method,
|
||
|
|
jint slot,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
long ind = (long)((*tag_ptr) - 1);
|
||
|
|
|
||
|
|
if (*tag_ptr == 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
ObjectDesc *objectDesc = objectDescArr[ind];
|
||
|
|
jlong tag = (*objectDesc).tag;
|
||
|
|
*/
|
||
|
|
if (ind < 0 || ind > objectCountMax ) {
|
||
|
|
NSK_COMPLAIN1("stackReferenceCallbackForSecondObjectsIteration: invalid object tag value: %d\n", (long)*tag_ptr);
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
NSK_DISPLAY3("stackReferenceCallbackForSecondObjectsIteration: *tag_ptr %6d , tag %6d , objectCount %6d\n",
|
||
|
|
(long)*tag_ptr, (long)tag, objectCount);
|
||
|
|
*/
|
||
|
|
/* Deallocate memory of list element*/
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescArr[ind]))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("stackReferenceCallbackForSecondObjectsIteration: Deallocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
numberOfDeallocatedFromCallbacksDescriptors++;
|
||
|
|
deallocatedFlagsArr[ind] = 1;
|
||
|
|
|
||
|
|
/* unset tag */
|
||
|
|
*tag_ptr = 0;
|
||
|
|
objectCount--;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** jvmtiObjectReferenceCallback for first iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
objectReferenceCallbackForFirstObjectsIteration( jvmtiObjectReferenceKind reference_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
jlong referrer_tag,
|
||
|
|
jint referrer_index,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
if (*tag_ptr != 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/* Set tag */
|
||
|
|
*tag_ptr = (jlong)++objectCount;
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (sizeof(ObjectDesc)),
|
||
|
|
(unsigned char**)&objectDescBuf))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("objectReferenceCallbackForFirstObjectsIteration: Allocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
(*objectDescList).tag = *tag_ptr;
|
||
|
|
(*objectDescList).size = size;
|
||
|
|
(*objectDescList).next = objectDescBuf;
|
||
|
|
|
||
|
|
/* step to next list element */
|
||
|
|
objectDescList = (*objectDescList).next;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** jvmtiObjectReferenceCallback for second iteration. */
|
||
|
|
jvmtiIterationControl JNICALL
|
||
|
|
objectReferenceCallbackForSecondObjectsIteration( jvmtiObjectReferenceKind reference_kind,
|
||
|
|
jlong class_tag,
|
||
|
|
jlong size,
|
||
|
|
jlong* tag_ptr,
|
||
|
|
jlong referrer_tag,
|
||
|
|
jint referrer_index,
|
||
|
|
void* user_data) {
|
||
|
|
|
||
|
|
long ind = (long)((*tag_ptr) - 1);
|
||
|
|
|
||
|
|
if (*tag_ptr == 0) return JVMTI_ITERATION_CONTINUE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
ObjectDesc *objectDesc = objectDescArr[ind];
|
||
|
|
jlong tag = (*objectDesc).tag;
|
||
|
|
*/
|
||
|
|
if (ind < 0 || ind > objectCountMax ) {
|
||
|
|
NSK_COMPLAIN1("objectReferenceCallbackForSecondObjectsIteration: invalid object tag value: %d\n", (long)*tag_ptr);
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
NSK_DISPLAY3("objectReferenceCallbackForSecondObjectsIteration: *tag_ptr %6d , tag %6d , objectCount %6d\n",
|
||
|
|
(long)*tag_ptr, (long)tag, objectCount);
|
||
|
|
*/
|
||
|
|
/* Deallocate memory of list element*/
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescArr[ind]))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
callbackAborted = 1;
|
||
|
|
NSK_COMPLAIN0("objectReferenceCallbackForSecondObjectsIteration: Deallocation failed. Iteration aborted.\n");
|
||
|
|
return JVMTI_ITERATION_ABORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
numberOfDeallocatedFromCallbacksDescriptors++;
|
||
|
|
deallocatedFlagsArr[ind] = 1;
|
||
|
|
|
||
|
|
/* unset tag */
|
||
|
|
*tag_ptr = 0;
|
||
|
|
objectCount--;
|
||
|
|
|
||
|
|
return JVMTI_ITERATION_CONTINUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
/** Agent algorithm. */
|
||
|
|
static void JNICALL
|
||
|
|
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
|
||
|
|
|
||
|
|
long ind;
|
||
|
|
|
||
|
|
NSK_DISPLAY0("Wait for debugee start\n");
|
||
|
|
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
|
||
|
|
return;
|
||
|
|
|
||
|
|
{
|
||
|
|
do {
|
||
|
|
/* Allocate memory for first element of objectList */
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (sizeof(ObjectDesc)),
|
||
|
|
(unsigned char**)&objectDescBuf))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
objectDescList = objectDescBuf;
|
||
|
|
objectDescListStart = objectDescList;
|
||
|
|
|
||
|
|
NSK_DISPLAY0("Calling IterateOverReachableObjects with allocating object descriptors\n");
|
||
|
|
{
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB5(IterateOverReachableObjects,
|
||
|
|
jvmti,
|
||
|
|
heapRootCallbackForFirstObjectsIteration,
|
||
|
|
stackReferenceCallbackForFirstObjectsIteration,
|
||
|
|
objectReferenceCallbackForFirstObjectsIteration,
|
||
|
|
&userData))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (callbackAborted) break;
|
||
|
|
|
||
|
|
if (objectCount == 0) {
|
||
|
|
NSK_COMPLAIN0("First IterateOverReachableObjects call had not visited any object\n");
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
NSK_DISPLAY1("Number of objects the first IterateOverReachableObjects visited: %d\n", objectCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (callbackAborted) break;
|
||
|
|
|
||
|
|
objectCountMax = objectCount;
|
||
|
|
|
||
|
|
/* Deallocate last unnecessary descriptor */
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescList))) {
|
||
|
|
NSK_COMPLAIN0("Unable to deallocate last unnecessary descriptor. \n");
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Allocate memory for array to save pointers to ObjectDescList elements */
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (objectCount * sizeof(ObjectDesc*)),
|
||
|
|
(unsigned char**)&objectDescArr))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Allocate memory for flags array and fill with false values */
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB3(Allocate, jvmti, (objectCountMax * sizeof(short)),
|
||
|
|
(unsigned char**)&deallocatedFlagsArr))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (ind = 0; ind < objectCountMax; ind++) {
|
||
|
|
deallocatedFlagsArr[ind] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
objectDescList = objectDescListStart;
|
||
|
|
{
|
||
|
|
/* Save all pointers to ObjectDescList elements in objectDescArr */
|
||
|
|
for (ind = 0; ind < objectCount; ind++) {
|
||
|
|
objectDescArr[ind] = objectDescList;
|
||
|
|
objectDescList = (*objectDescList).next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
NSK_DISPLAY0("Calling IterateOverReachableObjects with deallocating object descriptors\n");
|
||
|
|
{
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB5(IterateOverReachableObjects,
|
||
|
|
jvmti,
|
||
|
|
heapRootCallbackForSecondObjectsIteration,
|
||
|
|
stackReferenceCallbackForSecondObjectsIteration,
|
||
|
|
objectReferenceCallbackForSecondObjectsIteration,
|
||
|
|
&userData))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (numberOfDeallocatedFromCallbacksDescriptors == 0) {
|
||
|
|
NSK_COMPLAIN1("Deallocate func. hasn't been called from IterateOverReachableObjects'callbacks. "
|
||
|
|
"numberOfDeallocatedFromCallbacksDescriptors = %d\n", numberOfDeallocatedFromCallbacksDescriptors);
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
}
|
||
|
|
|
||
|
|
for (ind = 0; ind < objectCountMax; ind++) {
|
||
|
|
if (!deallocatedFlagsArr[ind]) {
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescArr[ind]))) {
|
||
|
|
NSK_COMPLAIN1("Unable to deallocate descriptor. Index = %d \n", ind);
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)objectDescArr))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)deallocatedFlagsArr))) {
|
||
|
|
nsk_jvmti_setFailStatus();
|
||
|
|
}
|
||
|
|
|
||
|
|
} while (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
NSK_DISPLAY0("Let debugee to finish\n");
|
||
|
|
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
/** Agent library initialization. */
|
||
|
|
#ifdef STATIC_BUILD
|
||
|
|
JNIEXPORT jint JNICALL Agent_OnLoad_iterreachobj002(JavaVM *jvm, char *options, void *reserved) {
|
||
|
|
return Agent_Initialize(jvm, options, reserved);
|
||
|
|
}
|
||
|
|
JNIEXPORT jint JNICALL Agent_OnAttach_iterreachobj002(JavaVM *jvm, char *options, void *reserved) {
|
||
|
|
return Agent_Initialize(jvm, options, reserved);
|
||
|
|
}
|
||
|
|
JNIEXPORT jint JNI_OnLoad_iterreachobj002(JavaVM *jvm, char *options, void *reserved) {
|
||
|
|
return JNI_VERSION_1_8;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
|
||
|
|
|
||
|
|
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
|
||
|
|
return JNI_ERR;
|
||
|
|
|
||
|
|
timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
|
||
|
|
|
||
|
|
if (!NSK_VERIFY((jvmti =
|
||
|
|
nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
|
||
|
|
return JNI_ERR;
|
||
|
|
|
||
|
|
memset(&caps, 0, sizeof(caps));
|
||
|
|
caps.can_tag_objects = 1;
|
||
|
|
caps.can_generate_object_free_events = 1;
|
||
|
|
if (!NSK_JVMTI_VERIFY(
|
||
|
|
NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) {
|
||
|
|
return JNI_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities,
|
||
|
|
jvmti, &caps)))
|
||
|
|
return JNI_ERR;
|
||
|
|
|
||
|
|
if (!caps.can_tag_objects)
|
||
|
|
NSK_DISPLAY0("Warning: tagging objects is not available\n");
|
||
|
|
if (!caps.can_generate_object_free_events)
|
||
|
|
NSK_DISPLAY0("Warning: generation of object free events is not available\n");
|
||
|
|
|
||
|
|
/* set event callback */
|
||
|
|
NSK_DISPLAY0("setting event callbacks ...\n");
|
||
|
|
(void) memset(&callbacks, 0, sizeof(callbacks));
|
||
|
|
|
||
|
|
callbacks.ObjectFree = &ObjectFree;
|
||
|
|
if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks,
|
||
|
|
jvmti, &callbacks, sizeof(callbacks))))
|
||
|
|
return JNI_ERR;
|
||
|
|
|
||
|
|
NSK_DISPLAY0("setting event callbacks done.\n");
|
||
|
|
|
||
|
|
NSK_DISPLAY0("enabling JVMTI events ...\n");
|
||
|
|
if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
|
||
|
|
jvmti, JVMTI_ENABLE, JVMTI_EVENT_OBJECT_FREE, NULL)))
|
||
|
|
return JNI_ERR;
|
||
|
|
NSK_DISPLAY0("enabling the events done.\n");
|
||
|
|
|
||
|
|
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
|
||
|
|
return JNI_ERR;
|
||
|
|
|
||
|
|
return JNI_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ============================================================================= */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|