| /* |
| * 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 <stdlib.h> |
| #include <string.h> |
| #include "jni_tools.h" |
| #include "agent_common.h" |
| #include "jvmti_tools.h" |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| #define SAMPLE_TAG ((jlong) 111111) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ========================================================================== */ |
| |
| /* scaffold objects */ |
| static jlong timeout = 0; |
| |
| /* test objects */ |
| static jobject testedObject = NULL; |
| static int ObjectFreeEventsCount = 0; |
| |
| /* ========================================================================== */ |
| |
| /** callback functions **/ |
| |
| void JNICALL ObjectFree(jvmtiEnv *jvmti_env, jlong tag) { |
| char buffer[32], buffer2[32]; |
| |
| ObjectFreeEventsCount++; |
| |
| NSK_DISPLAY1("ObjectFree event, tag = %s\n", jlong_to_string(tag, buffer)); |
| if (tag != SAMPLE_TAG) { |
| if (tag == 0) { |
| NSK_COMPLAIN0("testedObject not tagged\n"); |
| } else { |
| NSK_COMPLAIN2("testedObject tagged incorrectly, expected=%s, got=%s\n", |
| jlong_to_string(SAMPLE_TAG, buffer), |
| jlong_to_string(tag, buffer2)); |
| } |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| |
| void JNICALL VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) { |
| NSK_DISPLAY0("VMDeath event\n"); |
| |
| if (ObjectFreeEventsCount == 0) { |
| NSK_DISPLAY0("Warning: no object free events\n"); |
| } |
| |
| if (nsk_jvmti_isFailStatus()) { |
| exit(NSK_STATUS_BASE + NSK_STATUS_FAILED); |
| } |
| } |
| |
| /* ========================================================================== */ |
| |
| static int prepare(JNIEnv* jni) { |
| const char* CLASS_NAME = "nsk/jvmti/scenarios/multienv/MA04/ma04t003"; |
| const char* FIELD_NAME = "testedObject1"; |
| const char* FIELD_SIGNATURE = "Ljava/lang/Object;"; |
| jclass cls = NULL; |
| jfieldID fid = NULL; |
| |
| NSK_DISPLAY0("Obtain tested object from a static field of debugee class\n"); |
| |
| NSK_DISPLAY1("Find class: %s\n", CLASS_NAME); |
| if (!NSK_JNI_VERIFY(jni, (cls = |
| NSK_CPP_STUB2(FindClass, jni, CLASS_NAME)) != NULL)) |
| return NSK_FALSE; |
| |
| NSK_DISPLAY2("Find field: %s:%s\n", FIELD_NAME, FIELD_SIGNATURE); |
| if (!NSK_JNI_VERIFY(jni, (fid = |
| NSK_CPP_STUB4(GetStaticFieldID, jni, cls, |
| FIELD_NAME, FIELD_SIGNATURE)) != NULL)) |
| return NSK_FALSE; |
| |
| if (!NSK_JNI_VERIFY(jni, (testedObject = |
| NSK_CPP_STUB3(GetStaticObjectField, jni, cls, fid)) != NULL)) |
| return NSK_FALSE; |
| |
| if (!NSK_JNI_VERIFY(jni, (testedObject = |
| NSK_CPP_STUB2(NewGlobalRef, jni, testedObject)) != NULL)) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /* ========================================================================== */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| if (!prepare(jni)) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| NSK_DISPLAY0("Set tag on testedObject\n"); |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetTag, jvmti, testedObject, |
| SAMPLE_TAG))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, testedObject)); |
| |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ========================================================================== */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_ma04t003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_ma04t003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| jvmtiEventCallbacks callbacks; |
| jvmtiCapabilities caps; |
| |
| NSK_DISPLAY0("Agent_OnLoad\n"); |
| |
| 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_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.ObjectFree = &ObjectFree; |
| callbacks.VMDeath = &VMDeath; |
| if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks))) |
| return JNI_ERR; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_OBJECT_FREE, NULL))) |
| return JNI_ERR; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ========================================================================== */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |