| /* |
| * 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" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ========================================================================== */ |
| |
| /* scaffold objects */ |
| static jlong timeout = 0; |
| |
| /* test objects */ |
| static jthread thread = NULL; |
| static jobject object_M1 = NULL; |
| static jobject object_M2 = NULL; |
| |
| /* ========================================================================== */ |
| |
| static int prepare(jvmtiEnv* jvmti, JNIEnv* jni) { |
| const char* THREAD_NAME = "Debuggee Thread"; |
| const char* FIELD_SIG = "Ljava/lang/Object;"; |
| jvmtiThreadInfo info; |
| jthread *threads = NULL; |
| jint threads_count = 0; |
| jfieldID field = NULL; |
| jclass klass = NULL; |
| 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 (info.name != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)info.name))) |
| return NSK_FALSE; |
| } |
| } |
| |
| /* deallocate threads list */ |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads))) |
| return NSK_FALSE; |
| |
| /* get tested thread class */ |
| if (!NSK_JNI_VERIFY(jni, (klass = |
| NSK_CPP_STUB2(GetObjectClass, jni, thread)) != NULL)) |
| return NSK_FALSE; |
| |
| /* get tested thread field 'M1' */ |
| if (!NSK_JNI_VERIFY(jni, (field = |
| NSK_CPP_STUB4(GetFieldID, jni, klass, "M1", FIELD_SIG)) != NULL)) |
| return NSK_FALSE; |
| |
| if (!NSK_JNI_VERIFY(jni, (object_M1 = |
| NSK_CPP_STUB3(GetObjectField, jni, thread, field)) != NULL)) |
| return NSK_FALSE; |
| |
| /* get tested thread field 'M2' */ |
| if (!NSK_JNI_VERIFY(jni, (field = |
| NSK_CPP_STUB4(GetFieldID, jni, klass, "M2", FIELD_SIG)) != NULL)) |
| return NSK_FALSE; |
| |
| if (!NSK_JNI_VERIFY(jni, (object_M2 = |
| NSK_CPP_STUB3(GetObjectField, jni, thread, field)) != NULL)) |
| return NSK_FALSE; |
| |
| return NSK_TRUE; |
| } |
| |
| /* Check function GetObjectMonitorUsage |
| */ |
| static int checkGetObjectMonitorUsage(jvmtiEnv* jvmti, JNIEnv* jni, |
| jobject object) { |
| jvmtiMonitorUsage inf; |
| jvmtiThreadInfo tinf; |
| int result = NSK_TRUE; |
| int i; |
| |
| NSK_DISPLAY1("Checking GetObjectMonitorUsage for 0x%p\n", object); |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3( |
| GetObjectMonitorUsage, jvmti, object, &inf))) |
| return NSK_FALSE; |
| |
| if (nsk_getVerboseMode()) { |
| if (inf.owner == NULL) { |
| NSK_DISPLAY0("\towner: none (0x0)\n"); |
| } else { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3( |
| GetThreadInfo, jvmti, inf.owner, &tinf))) { |
| result = NSK_FALSE; |
| } else { |
| NSK_DISPLAY2("\towner: %s (0x%p)\n", tinf.name, inf.owner); |
| if (tinf.name != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)tinf.name))) |
| result = NSK_FALSE; |
| } |
| } |
| } |
| |
| NSK_DISPLAY1("\tentry_count: %d\n", inf.entry_count); |
| NSK_DISPLAY1("\twaiter_count: %d\n", inf.waiter_count); |
| if (inf.waiter_count > 0) { |
| NSK_DISPLAY0("\twaiters:\n"); |
| for (i = 0; i < inf.waiter_count; i++) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3( |
| GetThreadInfo, jvmti, inf.waiters[i], &tinf))) { |
| result = NSK_FALSE; |
| } else { |
| NSK_DISPLAY3("\t\t%2d: %s (0x%p)\n", |
| i, tinf.name, inf.waiters[i]); |
| if (tinf.name != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)tinf.name))) |
| result = NSK_FALSE; |
| } |
| } |
| } |
| } |
| |
| NSK_DISPLAY1("\tnotify_waiter_count: %d\n", inf.notify_waiter_count); |
| if (inf.notify_waiter_count > 0) { |
| NSK_DISPLAY0("\tnotify_waiters:\n"); |
| for (i = 0; i < inf.notify_waiter_count; i++) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3( |
| GetThreadInfo, jvmti, inf.notify_waiters[i], &tinf))) { |
| result = NSK_FALSE; |
| } else { |
| NSK_DISPLAY3("\t\t%2d: %s (0x%p)\n", |
| i, tinf.name, inf.notify_waiters[i]); |
| if (tinf.name != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)tinf.name))) |
| result = NSK_FALSE; |
| } |
| } |
| } |
| } |
| } |
| |
| /* check owner to be debugee thread */ |
| if (!NSK_JNI_VERIFY(jni, (NSK_CPP_STUB3( |
| IsSameObject, jni, inf.owner, thread)) == JNI_TRUE)) |
| result = NSK_FALSE; |
| |
| if (!NSK_VERIFY(inf.entry_count == 2)) |
| result = NSK_FALSE; |
| |
| if (!NSK_VERIFY(inf.waiter_count == 0)) |
| result = NSK_FALSE; |
| |
| if (!NSK_VERIFY(inf.notify_waiter_count == 0)) |
| result = NSK_FALSE; |
| |
| /* deallocate monitor waiters arrays */ |
| if (inf.waiters != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)inf.waiters))) |
| result = NSK_FALSE; |
| } |
| if (inf.notify_waiters != NULL) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2( |
| Deallocate, jvmti, (unsigned char*)inf.notify_waiters))) |
| result = NSK_FALSE; |
| } |
| |
| return result; |
| } |
| |
| /* ========================================================================== */ |
| |
| /* agent algorithm */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| |
| /* wait for initial sync */ |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| if (!prepare(jvmti, jni)) { |
| nsk_jvmti_setFailStatus(); |
| return; |
| } |
| |
| NSK_DISPLAY0("Testcase #1: check checkGetObjectMonitorUsage for M1\n"); |
| if (!checkGetObjectMonitorUsage(jvmti, jni, object_M1)) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_DISPLAY0("Testcase #2: check checkGetObjectMonitorUsage for M2\n"); |
| if (!checkGetObjectMonitorUsage(jvmti, jni, object_M2)) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| /* resume debugee after last sync */ |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ========================================================================== */ |
| |
| /* agent library initialization */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_tc01t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_tc01t001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_tc01t001(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; |
| |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| timeout = nsk_jvmti_getWaitTime() * 60000; |
| NSK_DISPLAY1("Timeout: %d msc\n", (int)timeout); |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| /* add capabilities */ |
| memset(&caps, 0, sizeof(caps)); |
| caps.can_get_monitor_info = 1; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) |
| return JNI_ERR; |
| |
| /* register agent proc and arg */ |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| return JNI_OK; |
| } |
| |
| /* ========================================================================== */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
