168 lines
4.6 KiB
C++
168 lines
4.6 KiB
C++
/*
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* Copyright (c) 2004, 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 <string.h>
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#include "jvmti.h"
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#include "agent_common.h"
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#include "jni_tools.h"
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#include "jvmti_tools.h"
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#include "JVMTITools.h"
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extern "C" {
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/* ============================================================================= */
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/* scaffold objects */
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static jvmtiEnv *jvmti = NULL;
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static jlong timeout = 0;
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static int eventCount = 0;
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/* ============================================================================= */
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JNIEXPORT void JNICALL
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cbThreadEnd(jvmtiEnv* jvmti, JNIEnv* jni_env, jthread thread) {
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eventCount++;
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}
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/* ============================================================================= */
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static int
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enableEvent(jvmtiEventMode enable, jvmtiEvent event) {
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if (enable == JVMTI_ENABLE) {
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NSK_DISPLAY1("enabling %s\n", TranslateEvent(event));
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} else {
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NSK_DISPLAY1("disabling %s\n", TranslateEvent(event));
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}
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(enable, event, NULL))) {
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nsk_jvmti_setFailStatus();
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return NSK_FALSE;
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}
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return NSK_TRUE;
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}
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/* ============================================================================= */
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int checkEvents() {
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int result = NSK_TRUE;
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if (eventCount == 0) {
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nsk_jvmti_setFailStatus();
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NSK_COMPLAIN0("Number of THREAD_END events must be greater than 0\n");
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nsk_jvmti_setFailStatus();
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result = NSK_FALSE;
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}
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return result;
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}
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/* ============================================================================= */
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static int
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setCallBacks() {
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jvmtiEventCallbacks eventCallbacks;
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memset(&eventCallbacks, 0, sizeof(eventCallbacks));
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eventCallbacks.ThreadEnd = cbThreadEnd;
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks))))
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return NSK_FALSE;
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return NSK_TRUE;
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}
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/* ============================================================================= */
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/** Agent algorithm. */
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static void JNICALL
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agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
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NSK_DISPLAY0("Wait for debuggee to become ready\n");
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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NSK_DISPLAY0("Let debuggee to continue\n");
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if (!nsk_jvmti_resumeSync())
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return;
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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if (!checkEvents()) {
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nsk_jvmti_setFailStatus();
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}
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NSK_DISPLAY0("Let debuggee to finish\n");
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if (!nsk_jvmti_resumeSync())
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return;
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}
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/* ============================================================================= */
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/** Agent library initialization. */
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_threadend002(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_threadend002(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_threadend002(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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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
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jvmti = nsk_jvmti_createJVMTIEnv(jvm, reserved);
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if (!NSK_VERIFY(jvmti != NULL))
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return JNI_ERR;
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if (!setCallBacks()) {
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return JNI_ERR;
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}
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if (!enableEvent(JVMTI_ENABLE, JVMTI_EVENT_THREAD_END)) {
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NSK_COMPLAIN0("Events could not be enabled");
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nsk_jvmti_setFailStatus();
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return JNI_ERR;
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}
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
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return JNI_ERR;
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return JNI_OK;
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}
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}
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