| /* |
| * 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 jlong timeout = 0; |
| |
| static long objCounter = 0; |
| static int userData = 0; |
| static jvmtiEnv* st_jvmti = NULL; |
| |
| /* ============================================================================= */ |
| |
| /* ============================================================================= */ |
| |
| |
| /* jvmtiHeapRootCallback */ |
| jvmtiIterationControl JNICALL |
| heapRootCallback( jvmtiHeapRootKind root_kind, |
| jlong class_tag, |
| jlong size, |
| jlong* tag_ptr, |
| void* user_data) { |
| |
| jrawMonitorID monitor_ptr = NULL; |
| |
| *tag_ptr = (jlong)++objCounter; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(CreateRawMonitor, st_jvmti, "heapRootMonitor", &monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Enter second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(RawMonitorWait, st_jvmti, monitor_ptr, (jlong)1))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotify, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotifyAll, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Exit second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(DestroyRawMonitor, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| /* |
| NSK_DISPLAY1("heapRootCallback: %d\n", objCounter); |
| */ |
| 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) { |
| |
| jrawMonitorID monitor_ptr = NULL; |
| |
| *tag_ptr = (jlong)++objCounter; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(CreateRawMonitor, st_jvmti, "stackRefMonitor", &monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Enter second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(RawMonitorWait, st_jvmti, monitor_ptr, (jlong)1))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotify, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotifyAll, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Exit second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(DestroyRawMonitor, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| /* |
| NSK_DISPLAY1("stackRefenceCallback: %d\n", objCounter); |
| */ |
| 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) { |
| |
| jrawMonitorID monitor_ptr = NULL; |
| |
| *tag_ptr = (jlong)++objCounter; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(CreateRawMonitor, st_jvmti, "objRefMonitor", &monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Enter second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorEnter, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(RawMonitorWait, st_jvmti, monitor_ptr, (jlong)1))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotify, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorNotifyAll, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* Exit second time */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RawMonitorExit, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(DestroyRawMonitor, st_jvmti, monitor_ptr))) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_DISPLAY1("objectRefenceCallback: %d\n", objCounter); |
| return JVMTI_ITERATION_ABORT; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| |
| NSK_DISPLAY0("Wait for debugee start\n"); |
| if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) |
| return; |
| |
| { |
| do { |
| NSK_DISPLAY0("Calling IterateOverReachableObjects\n"); |
| { |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB5(IterateOverReachableObjects, |
| jvmti, |
| heapRootCallback, |
| stackReferenceCallback, |
| objectReferenceCallback, |
| &userData))) { |
| nsk_jvmti_setFailStatus(); |
| break; |
| } |
| } |
| |
| if (objCounter == 0) { |
| NSK_COMPLAIN0("IterateOverReachableObjects call had not visited any object\n"); |
| nsk_jvmti_setFailStatus(); |
| break; |
| } else { |
| NSK_DISPLAY1("Number of objects the IterateOverReachableObjects visited: %d\n", objCounter); |
| } |
| |
| } 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_iterreachobj003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_iterreachobj003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_iterreachobj003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| |
| 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; |
| |
| /* save pointer to environment to use it in callbacks */ |
| st_jvmti = jvmti; |
| |
| { |
| jvmtiCapabilities caps; |
| |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_tag_objects = 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; |
| |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
