/* * 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 #include #include #include "agent_common.h" #include "nsk_tools.h" #include "jni_tools.h" #include "JVMTITools.h" #include "jvmti_tools.h" extern "C" { #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(jvmti->SetTag(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 = jni->NewGlobalRef(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(jvmti->IterateOverObjectsReachableFromObject(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(jni->DeleteGlobalRef(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(jvmti->AddCapabilities(&caps))) return JNI_ERR; if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&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; } }