64099fc1cc
Remove the multi-line old C style and prefer C++ multi-line Reviewed-by: amenkov, cjplummer
209 lines
6.3 KiB
C++
209 lines
6.3 KiB
C++
/*
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* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <jvmti.h>
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#include "agent_common.h"
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#include "nsk_tools.h"
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#include "JVMTITools.h"
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#include "jvmti_tools.h"
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extern "C" {
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#define PASSED 0
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#define STATUS_FAILED 2
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/* classes which must have the class load event */
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static const char *expSigs[] = {
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"Lnsk/jvmti/ClassLoad/classload001;",
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"Lnsk/jvmti/ClassLoad/classload001$TestedClass;"
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};
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#define EXP_SIG_NUM (sizeof(expSigs)/sizeof(char*))
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/* classes which must not have the class load event */
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static const char *unexpSigs[] = {
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"Z", /* boolean */
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"B", /* byte */
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"C", /* char */
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"D", /* double */
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"F", /* float */
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"I", /* integer */
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"J", /* long */
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"S", /* short */
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"[Z", /* boolean array */
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"[B", /* byte array */
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"[C", /* char array */
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"[D", /* double array */
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"[F", /* float array */
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"[I", /* integer array */
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"[J", /* long array */
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"[S", /* short array */
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"[Lnsk/jvmti/ClassLoad/classload001$TestedClass;"
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};
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#define UNEXP_SIG_NUM (sizeof(unexpSigs)/sizeof(char*))
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static volatile int clsEvents[EXP_SIG_NUM];
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static volatile int primClsEvents[UNEXP_SIG_NUM];
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static jint result = PASSED;
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static jvmtiEnv *jvmti = NULL;
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static jvmtiEventCallbacks callbacks;
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static jrawMonitorID countLock;
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static void initCounters() {
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size_t i;
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for(i=0; i<EXP_SIG_NUM; i++)
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clsEvents[i] = 0;
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for(i=0; i<UNEXP_SIG_NUM; i++)
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primClsEvents[i] = 0;
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}
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static int findSig(char *sig, int expected) {
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unsigned int i;
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for (i=0; i<((expected==1)?EXP_SIG_NUM:UNEXP_SIG_NUM); i++)
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if (sig != NULL &&
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strcmp(((expected==1)?expSigs[i]:unexpSigs[i]), sig) == 0)
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return i; /* the signature found, return index */
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return -1; /* the signature not found */
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}
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static void lock(jvmtiEnv *jvmti_env, JNIEnv *jni_env) {
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter,
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jvmti_env, countLock)))
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NSK_CPP_STUB2(FatalError, jni_env,
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"failed to enter a raw monitor\n");
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}
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static void unlock(jvmtiEnv *jvmti_env, JNIEnv *jni_env) {
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit,
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jvmti_env, countLock)))
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NSK_CPP_STUB2(FatalError, jni_env,
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"failed to exit a raw monitor\n");
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}
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/** callback functions **/
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void JNICALL
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ClassLoad(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread, jclass klass) {
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int i = 0;
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char *sig, *generic;
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lock(jvmti_env, env);
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(GetClassSignature,
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jvmti_env, klass, &sig, &generic))) {
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result = STATUS_FAILED;
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NSK_COMPLAIN0("TEST FAILURE: unable to obtain a class signature\n");
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}
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if ((i = findSig(sig, 1)) != -1) {
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clsEvents[i]++;
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NSK_DISPLAY1("CHECK PASSED: ClassLoad event received for the class \"%s\" as expected\n",
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sig);
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}
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else if ((i = findSig(sig, 0)) != -1) {
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result = STATUS_FAILED;
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primClsEvents[i]++;
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NSK_COMPLAIN1(
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"TEST FAILED: JVMTI_EVENT_CLASS_LOAD event received for\n"
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"\t a primitive class/array of primitive types with the signature \"%s\"\n",
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sig);
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}
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unlock(jvmti_env, env);
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}
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/************************/
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JNIEXPORT jint JNICALL
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Java_nsk_jvmti_ClassLoad_classload001_check(
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JNIEnv *env, jobject obj) {
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size_t i;
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for (i=0; i<EXP_SIG_NUM; i++)
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if (clsEvents[i] != 1) {
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result = STATUS_FAILED;
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NSK_COMPLAIN2("TEST FAILED: wrong number of JVMTI_EVENT_CLASS_LOAD events for \"%s\":\n\tgot: %d\texpected: 1\n",
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expSigs[i], clsEvents[i]);
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}
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for (i=0; i<UNEXP_SIG_NUM; i++)
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if (primClsEvents[i] != 0)
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NSK_COMPLAIN0("TEST FAILED: there are JVMTI_EVENT_CLASS_LOAD events for the primitive classes\n");
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return result;
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_classload001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_classload001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_classload001(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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/* init framework and parse options */
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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/* create JVMTI environment */
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
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return JNI_ERR;
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initCounters();
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(CreateRawMonitor,
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jvmti, "_counter_lock", &countLock)))
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return JNI_ERR;
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NSK_DISPLAY0("setting event callbacks ...\n");
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(void) memset(&callbacks, 0, sizeof(callbacks));
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callbacks.ClassLoad = &ClassLoad;
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks,
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jvmti, &callbacks, sizeof(callbacks))))
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return JNI_ERR;
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NSK_DISPLAY0("setting event callbacks done\nenabling ClassLoad event ...\n");
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if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
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jvmti, JVMTI_ENABLE, JVMTI_EVENT_CLASS_LOAD, NULL)))
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return JNI_ERR;
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NSK_DISPLAY0("the event enabled\n");
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return JNI_OK;
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}
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}
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