| /* |
| * 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" |
| #include "JVMTITools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ============================================================================= */ |
| |
| /* scaffold objects */ |
| static jlong timeout = 0; |
| static jvmtiEnv *jvmti = NULL; |
| static jrawMonitorID syncLock = NULL; |
| |
| /* constant names */ |
| #define JVMTI_EVENT_COUNT (int)(JVMTI_MAX_EVENT_TYPE_VAL - JVMTI_MIN_EVENT_TYPE_VAL + 1) |
| #define EXPECTED_COUNT 0 |
| |
| static int eventCount[JVMTI_EVENT_COUNT]; |
| |
| /* ============================================================================= */ |
| |
| void showEventStatistics() { |
| int i; |
| const char* str; |
| |
| NSK_DISPLAY0("\n"); |
| NSK_DISPLAY0("Event statistics\n"); |
| NSK_DISPLAY0("----------------\n"); |
| for (i = 0; i < JVMTI_EVENT_COUNT; i++) { |
| if (eventCount[i] > 0) { |
| str = TranslateEvent((jvmtiEvent)(i+JVMTI_MIN_EVENT_TYPE_VAL)); |
| NSK_DISPLAY2("%-40s %7d\n", str, eventCount[i]); |
| } |
| } |
| } |
| |
| /* ========================================================================== */ |
| |
| void changeCount(jvmtiEvent event) { |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter, jvmti, syncLock))) |
| nsk_jvmti_setFailStatus(); |
| |
| eventCount[event - JVMTI_MIN_EVENT_TYPE_VAL]++; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit, jvmti, syncLock))) |
| nsk_jvmti_setFailStatus(); |
| |
| } |
| |
| /* ============================================================================= */ |
| |
| /* callbacks */ |
| JNIEXPORT void JNICALL |
| cbVMInit(jvmtiEnv* jvmti, JNIEnv* jni_env, jthread thread) { |
| changeCount(JVMTI_EVENT_VM_INIT); |
| NSK_DISPLAY0("--->VMINit is received\n"); |
| } |
| |
| JNIEXPORT void JNICALL |
| cbVMDeath(jvmtiEnv* jvmti, JNIEnv* jni_env) { |
| changeCount(JVMTI_EVENT_VM_DEATH); |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(DestroyRawMonitor, jvmti, syncLock))) |
| nsk_jvmti_setFailStatus(); |
| |
| } |
| |
| void JNICALL |
| cbException(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location, jobject exception, |
| jmethodID catch_method, jlocation catch_location) { |
| changeCount(JVMTI_EVENT_EXCEPTION); |
| } |
| |
| void JNICALL |
| cbExceptionCatch(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location, jobject exception) { |
| changeCount(JVMTI_EVENT_EXCEPTION_CATCH); |
| } |
| |
| void JNICALL |
| cbSingleStep(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location) { |
| changeCount(JVMTI_EVENT_SINGLE_STEP); |
| } |
| |
| void JNICALL |
| cbFramePop(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jboolean was_popped_by_exception) { |
| changeCount(JVMTI_EVENT_FRAME_POP); |
| } |
| |
| void JNICALL |
| cbBreakpoint(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location) { |
| changeCount(JVMTI_EVENT_BREAKPOINT); |
| } |
| |
| void JNICALL |
| cbFieldAccess(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location, jclass field_klass, |
| jobject object, jfieldID field) { |
| changeCount(JVMTI_EVENT_FIELD_ACCESS); |
| } |
| |
| void JNICALL |
| cbFieldModification(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jlocation location, jclass field_klass, |
| jobject object, jfieldID field, char signature_type, |
| jvalue new_value) { |
| changeCount(JVMTI_EVENT_FIELD_MODIFICATION); |
| } |
| |
| void JNICALL |
| cbMethodEntry(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method) { |
| changeCount(JVMTI_EVENT_METHOD_ENTRY); |
| } |
| |
| void JNICALL |
| cbMethodExit(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jmethodID method, jboolean was_popped_by_exception, |
| jvalue return_value) { |
| changeCount(JVMTI_EVENT_METHOD_EXIT); |
| } |
| |
| void JNICALL |
| cbNativeMethodBind(jvmtiEnv *jvmti_env, JNIEnv* jni_env,jthread thread, |
| jmethodID method, void* address, void** new_address_ptr) { |
| changeCount(JVMTI_EVENT_NATIVE_METHOD_BIND); |
| } |
| |
| void JNICALL |
| cbCompiledMethodLoad(jvmtiEnv *jvmti_env, jmethodID method, jint code_size, |
| const void* code_addr, jint map_length, |
| const jvmtiAddrLocationMap* map, const void* compile_info) { |
| changeCount(JVMTI_EVENT_COMPILED_METHOD_LOAD); |
| } |
| |
| void JNICALL |
| cbCompiledMethodUnload(jvmtiEnv *jvmti_env, jmethodID method, |
| const void* code_addr) { |
| changeCount(JVMTI_EVENT_COMPILED_METHOD_UNLOAD); |
| } |
| |
| void JNICALL |
| cbMonitorWait(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jobject object, jlong tout) { |
| |
| changeCount(JVMTI_EVENT_MONITOR_WAIT); |
| } |
| |
| void JNICALL |
| cbMonitorWaited(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jobject object, jboolean timed_out) { |
| |
| changeCount(JVMTI_EVENT_MONITOR_WAITED); |
| } |
| |
| JNIEXPORT void JNICALL |
| cbMonitorContendedEnter(jvmtiEnv* jvmti, JNIEnv* jni_env, jthread thread, |
| jobject object) { |
| |
| changeCount(JVMTI_EVENT_MONITOR_CONTENDED_ENTER); |
| } |
| |
| void JNICALL |
| cbMonitorContendedEntered(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jobject object) { |
| |
| changeCount(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED); |
| } |
| |
| void JNICALL |
| cbGarbageCollectionStart(jvmtiEnv *jvmti_env) { |
| changeCount(JVMTI_EVENT_GARBAGE_COLLECTION_START); |
| } |
| |
| void JNICALL |
| cbGarbageCollectionFinish(jvmtiEnv *jvmti_env) { |
| changeCount(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH); |
| } |
| |
| void JNICALL |
| cbObjectFree(jvmtiEnv *jvmti_env, jlong tag) { |
| changeCount(JVMTI_EVENT_OBJECT_FREE); |
| } |
| |
| void JNICALL |
| cbVMObjectAlloc(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread, |
| jobject object, jclass object_klass, jlong size) { |
| |
| changeCount(JVMTI_EVENT_VM_OBJECT_ALLOC); |
| } |
| |
| /* ============================================================================= */ |
| |
| int enableOptionalEvents(jvmtiEnv *jvmti) { |
| int i; |
| int result = NSK_TRUE; |
| |
| NSK_DISPLAY0("Enable events\n"); |
| |
| /* enabling optional events */ |
| for (i = 0; i < JVMTI_EVENT_COUNT; i++) { |
| jvmtiEvent event = (jvmtiEvent)(i + JVMTI_MIN_EVENT_TYPE_VAL); |
| if (nsk_jvmti_isOptionalEvent(event)) |
| if (!NSK_JVMTI_VERIFY_CODE(JVMTI_ERROR_MUST_POSSESS_CAPABILITY, |
| NSK_CPP_STUB4(SetEventNotificationMode, jvmti, |
| JVMTI_ENABLE, event, NULL))) { |
| NSK_COMPLAIN1("Unexpected error enabling %s\n", |
| TranslateEvent(event)); |
| result = NSK_FALSE; |
| } |
| } |
| |
| return result; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** |
| * Testcase: check tested events. |
| * - check if expected events received for each method |
| * |
| * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break. |
| */ |
| int checkEvents() { |
| int i; |
| jvmtiEvent event; |
| int result = NSK_TRUE; |
| |
| for (i = 0; i < JVMTI_EVENT_COUNT; i++) { |
| |
| event = i + JVMTI_MIN_EVENT_TYPE_VAL; |
| |
| if (nsk_jvmti_isOptionalEvent(event) && eventCount[i] > EXPECTED_COUNT) { |
| nsk_jvmti_setFailStatus(); |
| NSK_COMPLAIN3("Unexpected number of %s events:\n\treceived: %7d\n\texpected: %7d\n", |
| TranslateEvent(event), |
| eventCount[i], |
| EXPECTED_COUNT); |
| result = NSK_FALSE; |
| } |
| } |
| |
| return result; |
| } |
| |
| /* ============================================================================= */ |
| |
| static int setCallBacks(jvmtiEnv *jvmti) { |
| int i; |
| |
| jvmtiEventCallbacks eventCallbacks; |
| memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
| |
| for (i = 0; i < JVMTI_EVENT_COUNT; i++) { |
| eventCount[i] = 0; |
| } |
| |
| eventCallbacks.VMInit = cbVMInit; |
| eventCallbacks.VMDeath = cbVMDeath; |
| eventCallbacks.Exception = cbException; |
| eventCallbacks.ExceptionCatch = cbExceptionCatch; |
| eventCallbacks.SingleStep = cbSingleStep; |
| eventCallbacks.FramePop = cbFramePop; |
| eventCallbacks.Breakpoint = cbBreakpoint; |
| eventCallbacks.FieldAccess = cbFieldAccess; |
| eventCallbacks.FieldModification = cbFieldModification; |
| eventCallbacks.MethodEntry = cbMethodEntry; |
| eventCallbacks.MethodExit = cbMethodExit; |
| eventCallbacks.NativeMethodBind = cbNativeMethodBind; |
| eventCallbacks.CompiledMethodLoad = cbCompiledMethodLoad; |
| eventCallbacks.MonitorWait = cbMonitorWait; |
| eventCallbacks.MonitorWaited = cbMonitorWaited; |
| eventCallbacks.MonitorContendedEnter = cbMonitorContendedEnter; |
| eventCallbacks.MonitorContendedEntered = cbMonitorContendedEntered; |
| eventCallbacks.GarbageCollectionStart = cbGarbageCollectionStart; |
| eventCallbacks.GarbageCollectionFinish = cbGarbageCollectionFinish; |
| eventCallbacks.ObjectFree = cbObjectFree; |
| eventCallbacks.VMObjectAlloc = cbVMObjectAlloc; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti, |
| &eventCallbacks, |
| sizeof(eventCallbacks)))) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) { |
| |
| NSK_DISPLAY0("Wait for debuggee to become ready\n"); |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| if (!checkEvents()) { |
| nsk_jvmti_setFailStatus(); |
| } |
| showEventStatistics(); |
| |
| NSK_DISPLAY0("Let debuggee to finish\n"); |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_em07t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_em07t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_em07t001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| |
| 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; |
| |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(CreateRawMonitor, jvmti, "_syncLock", &syncLock))) { |
| nsk_jvmti_setFailStatus(); |
| return JNI_ERR; |
| } |
| |
| if (!setCallBacks(jvmti)) { |
| return JNI_ERR; |
| } |
| |
| nsk_jvmti_showPossessedCapabilities(jvmti); |
| |
| if (!enableOptionalEvents(jvmti)) { |
| return JNI_ERR; |
| } |
| |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
