| /* |
| * Copyright (c) 2003, 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 <stdio.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <jvmti.h> |
| #include "agent_common.h" |
| |
| #include "nsk_tools.h" |
| #include "JVMTITools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| /* classes which must have the class load event */ |
| static const char *expSigs[] = { |
| "Lnsk/jvmti/ClassLoad/classload001;", |
| "Lnsk/jvmti/ClassLoad/classload001$TestedClass;" |
| }; |
| #define EXP_SIG_NUM (sizeof(expSigs)/sizeof(char*)) |
| |
| /* classes which must not have the class load event */ |
| static const char *unexpSigs[] = { |
| "Z", /* boolean */ |
| "B", /* byte */ |
| "C", /* char */ |
| "D", /* double */ |
| "F", /* float */ |
| "I", /* integer */ |
| "J", /* long */ |
| "S", /* short */ |
| |
| "[Z", /* boolean array */ |
| "[B", /* byte array */ |
| "[C", /* char array */ |
| "[D", /* double array */ |
| "[F", /* float array */ |
| "[I", /* integer array */ |
| "[J", /* long array */ |
| "[S", /* short array */ |
| "[Lnsk/jvmti/ClassLoad/classload001$TestedClass;" |
| }; |
| #define UNEXP_SIG_NUM (sizeof(unexpSigs)/sizeof(char*)) |
| |
| static volatile int clsEvents[EXP_SIG_NUM]; |
| static volatile int primClsEvents[UNEXP_SIG_NUM]; |
| |
| static jint result = PASSED; |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiEventCallbacks callbacks; |
| static jrawMonitorID countLock; |
| |
| static void initCounters() { |
| size_t i; |
| |
| for(i=0; i<EXP_SIG_NUM; i++) |
| clsEvents[i] = 0; |
| |
| for(i=0; i<UNEXP_SIG_NUM; i++) |
| primClsEvents[i] = 0; |
| } |
| |
| static int findSig(char *sig, int expected) { |
| unsigned int i; |
| |
| for (i=0; i<((expected==1)?EXP_SIG_NUM:UNEXP_SIG_NUM); i++) |
| if (sig != NULL && |
| strcmp(((expected==1)?expSigs[i]:unexpSigs[i]), sig) == 0) |
| return i; /* the signature found, return index */ |
| |
| return -1; /* the signature not found */ |
| } |
| |
| static void lock(jvmtiEnv *jvmti_env, JNIEnv *jni_env) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter, |
| jvmti_env, countLock))) |
| NSK_CPP_STUB2(FatalError, jni_env, |
| "failed to enter a raw monitor\n"); |
| } |
| |
| static void unlock(jvmtiEnv *jvmti_env, JNIEnv *jni_env) { |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit, |
| jvmti_env, countLock))) |
| NSK_CPP_STUB2(FatalError, jni_env, |
| "failed to exit a raw monitor\n"); |
| } |
| |
| /** callback functions **/ |
| void JNICALL |
| ClassLoad(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread, jclass klass) { |
| int i = 0; |
| char *sig, *generic; |
| |
| lock(jvmti_env, env); |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(GetClassSignature, |
| jvmti_env, klass, &sig, &generic))) { |
| result = STATUS_FAILED; |
| NSK_COMPLAIN0("TEST FAILURE: unable to obtain a class signature\n"); |
| } |
| |
| if ((i = findSig(sig, 1)) != -1) { |
| clsEvents[i]++; |
| NSK_DISPLAY1("CHECK PASSED: ClassLoad event received for the class \"%s\" as expected\n", |
| sig); |
| } |
| else if ((i = findSig(sig, 0)) != -1) { |
| result = STATUS_FAILED; |
| primClsEvents[i]++; |
| NSK_COMPLAIN1("TEST FAILED: JVMTI_EVENT_CLASS_LOAD event received for\n\ |
| \t a primitive class/array of primitive types with the signature \"%s\"\n", |
| sig); |
| } |
| |
| unlock(jvmti_env, env); |
| } |
| /************************/ |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_ClassLoad_classload001_check( |
| JNIEnv *env, jobject obj) { |
| size_t i; |
| |
| for (i=0; i<EXP_SIG_NUM; i++) |
| if (clsEvents[i] != 1) { |
| result = STATUS_FAILED; |
| NSK_COMPLAIN2("TEST FAILED: wrong number of JVMTI_EVENT_CLASS_LOAD events for \"%s\":\n\tgot: %d\texpected: 1\n", |
| expSigs[i], clsEvents[i]); |
| } |
| |
| for (i=0; i<UNEXP_SIG_NUM; i++) |
| if (primClsEvents[i] != 0) |
| NSK_COMPLAIN0("TEST FAILED: there are JVMTI_EVENT_CLASS_LOAD events for the primitive classes\n"); |
| |
| return result; |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_classload001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_classload001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_classload001(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; |
| |
| initCounters(); |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(CreateRawMonitor, |
| jvmti, "_counter_lock", &countLock))) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0("setting event callbacks ...\n"); |
| (void) memset(&callbacks, 0, sizeof(callbacks)); |
| callbacks.ClassLoad = &ClassLoad; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, |
| jvmti, &callbacks, sizeof(callbacks)))) |
| return JNI_ERR; |
| |
| NSK_DISPLAY0("setting event callbacks done\nenabling ClassLoad event ...\n"); |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode, |
| jvmti, JVMTI_ENABLE, JVMTI_EVENT_CLASS_LOAD, NULL))) |
| return JNI_ERR; |
| NSK_DISPLAY0("the event enabled\n"); |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |