| /* |
| * 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 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ========================================================================== */ |
| |
| /* scaffold objects */ |
| static jlong timeout = 0; |
| |
| /* test objects */ |
| static jthread thread = NULL; |
| |
| /* event counts */ |
| static int MethodExitEventsCount = 0; |
| |
| /* ========================================================================== */ |
| |
| /** callback functions **/ |
| |
| static void JNICALL |
| MethodExit(jvmtiEnv *jvmti_env, JNIEnv *jni_env, |
| jthread thread, jmethodID method, |
| jboolean was_poped_by_exception, jvalue return_value) { |
| char *name = NULL; |
| char *signature = NULL; |
| |
| MethodExitEventsCount++; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB5(GetMethodName, |
| jvmti_env, method, &name, &signature, NULL))) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| NSK_DISPLAY2("MethodExit event: %s%s\n", name, signature); |
| if (name != NULL) |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)name); |
| if (signature != NULL) |
| NSK_CPP_STUB2(Deallocate, jvmti_env, (unsigned char*)signature); |
| } |
| |
| /* ========================================================================== */ |
| |
| static int prepare(jvmtiEnv* jvmti, JNIEnv* jni) { |
| const char* THREAD_NAME = "Debuggee Thread"; |
| jvmtiThreadInfo info; |
| jthread *threads = NULL; |
| jint threads_count = 0; |
| int i; |
| |
| NSK_DISPLAY0("Prepare: find tested thread\n"); |
| |
| /* get all live threads */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetAllThreads, jvmti, &threads_count, &threads))) |
| return NSK_FALSE; |
| |
| if (!NSK_VERIFY(threads_count > 0 && threads != NULL)) |
| return NSK_FALSE; |
| |
| /* find tested thread */ |
| for (i = 0; i < threads_count; i++) { |
| if (!NSK_VERIFY(threads[i] != NULL)) |
| return NSK_FALSE; |
| |
| /* get thread information */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(GetThreadInfo, jvmti, threads[i], &info))) |
| return NSK_FALSE; |
| |
| NSK_DISPLAY3(" thread #%d (%s): %p\n", i, info.name, threads[i]); |
| |
| /* find by name */ |
| if (info.name != NULL && (strcmp(info.name, THREAD_NAME) == 0)) { |
| thread = threads[i]; |
| } |
| } |
| |
| if (!NSK_JNI_VERIFY(jni, (thread = |
| NSK_CPP_STUB2(NewGlobalRef, jni, thread)) != NULL)) |
| return NSK_FALSE; |
| |
| /* deallocate threads list */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads))) |
| 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(jvmti, jni)) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_METHOD_EXIT, thread))) |
| nsk_jvmti_setFailStatus(); |
| |
| /* resume debugee and wait for sync */ |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| NSK_DISPLAY1("MethodExit events received: %d\n", |
| MethodExitEventsCount); |
| if (!NSK_VERIFY(MethodExitEventsCount != 0)) |
| nsk_jvmti_setFailStatus(); |
| |
| NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, thread)); |
| |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ========================================================================== */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_ma10t003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_ma10t003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_ma10t003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| jvmtiCapabilities caps; |
| jvmtiEventCallbacks callbacks; |
| |
| 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; |
| |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_generate_method_exit_events = 1; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) { |
| return JNI_ERR; |
| } |
| |
| memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.MethodExit = &MethodExit; |
| if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ========================================================================== */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |