| /* |
| * 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 <stdio.h> |
| #include <string.h> |
| #include <jvmti.h> |
| #include "agent_common.h" |
| |
| #include "nsk_tools.h" |
| #include "jni_tools.h" |
| #include "JVMTITools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define EXP_OBJ_NUMBER 1 |
| |
| static JNIEnv *jni = NULL; |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiEventCallbacks callbacks; |
| static jvmtiCapabilities caps; |
| |
| static jlong timeout = 0; |
| static jobject referrer = NULL; |
| static const char* DEBUGEE_SIGNATURE = "Lnsk/jvmti/scenarios/allocation/AP09/ap09t001;"; |
| static const long OBJECT_TAG = 1l; |
| static const long CLASS_TAG = 2l; |
| static const long LOADER_TAG = 3l; |
| static const long DOMAIN_TAG = 4l; |
| static const long INSTANCE_FIELD_TAG = 5l; |
| static const long STATIC_FIELD_TAG = 6l; |
| static const long ARRAY_TAG = 7l; |
| static const long INTERFACE_TAG = 8l; |
| static int classFound = 0; |
| static int loaderFound = 0; |
| static int domainFound = 0; |
| static int instanceFieldFound = 0; |
| static int staticFieldFound = 0; |
| static int arrayFound = 0; |
| static int interfaceFound = 0; |
| |
| /* jvmtiHeapRootCallback */ |
| jvmtiIterationControl JNICALL |
| heapRootCallback( jvmtiHeapRootKind root_kind, |
| jlong class_tag, |
| jlong size, |
| jlong* tag_ptr, |
| void* user_data) { |
| 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) { |
| 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 (*tag_ptr != 0 && referrer_tag != 0) { |
| NSK_DISPLAY4("objectReferenceCallback: reference kind=%s, referrer_index=%d, referrer_tag=%d, referree_tag=%d\n", |
| TranslateObjectRefKind(reference_kind), (int)referrer_index, (long)referrer_tag, (long)*tag_ptr); |
| |
| if (reference_kind == JVMTI_REFERENCE_CLASS && *tag_ptr == CLASS_TAG) { |
| classFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_CLASS_LOADER && *tag_ptr == LOADER_TAG) { |
| loaderFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_INTERFACE && *tag_ptr == INTERFACE_TAG) { |
| interfaceFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_PROTECTION_DOMAIN && *tag_ptr == DOMAIN_TAG) { |
| domainFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_ARRAY_ELEMENT && *tag_ptr == STATIC_FIELD_TAG && referrer_tag == ARRAY_TAG) { |
| arrayFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_STATIC_FIELD && *tag_ptr == ARRAY_TAG) { |
| staticFieldFound++; |
| } |
| if (reference_kind == JVMTI_REFERENCE_FIELD && *tag_ptr == INSTANCE_FIELD_TAG) { |
| instanceFieldFound++; |
| } |
| } |
| return JVMTI_ITERATION_CONTINUE; |
| } |
| |
| |
| /************************/ |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_scenarios_allocation_AP09_ap09t001_setTag( JNIEnv* jni, |
| jobject obj, |
| jobject target, |
| jlong tag ) { |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetTag, jvmti, target, tag))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_scenarios_allocation_AP09_ap09t001_setReferrer( JNIEnv* jni, jclass klass, jobject ref) { |
| if (!NSK_JNI_VERIFY(jni, (referrer = |
| NSK_CPP_STUB2(NewGlobalRef, jni, ref)) != NULL)) |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| |
| jclass debugeeClass = NULL; |
| |
| NSK_DISPLAY0("Wait for debugee start\n\n"); |
| if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) |
| return; |
| |
| do { |
| NSK_DISPLAY0("\nCalling IterateOverObjectsReachableFromObject\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB4(IterateOverObjectsReachableFromObject, |
| jvmti, |
| referrer, |
| objectReferenceCallback, |
| NULL /*user_data*/))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!classFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_CLASS was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!loaderFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_CLASS_LOADER was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!interfaceFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_INTERFACE was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!domainFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_PROTECTION_DOMAIN was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!arrayFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_ARRAY_ELEMENT was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!staticFieldFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_STATIC_FIELD was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| if (!instanceFieldFound) { |
| NSK_COMPLAIN0("Expected reference with kind=JVMTI_REFERENCE_FIELD was not iterated."); |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, referrer)); |
| } while (0); |
| |
| NSK_DISPLAY0("Let debugee to finish\n"); |
| if (!NSK_VERIFY(nsk_jvmti_resumeSync())) |
| return; |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_ap09t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_ap09t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_ap09t001(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 */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| memset(&caps, 0, sizeof(jvmtiCapabilities)); |
| caps.can_tag_objects = 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_COMPLAIN0("Tagging objects is not available.\n"); |
| return JNI_ERR; |
| } |
| |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| NSK_DISPLAY0("agentProc has been set\n\n"); |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
