--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/NativeMethodBind/nativemethbind001/nativemethbind001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,260 @@
+/*
+ * 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 <string.h>
+#include <jvmti.h>
+#include "agent_common.h"
+
+#include "nsk_tools.h"
+#include "JVMTITools.h"
+#include "jvmti_tools.h"
+#include "jni_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STATUS_FAILED 2
+#define PASSED 0
+
+/* tested methods */
+#define METH_NUM 2
+static const char *METHODS[][2] = {
+ {"nativeMethod", "(Z)V"},
+ {"anotherNativeMethod", "()V"},
+};
+
+/* event counters for the tested methods and expected numbers
+ of the events */
+static volatile int bindEv[][2] = {
+ {0, 1},
+ {0, 1}
+};
+
+static const char *CLASS_SIG =
+ "Lnsk/jvmti/NativeMethodBind/nativemethbind001$TestedClass;";
+
+static volatile jint result = PASSED;
+static jvmtiEnv *jvmti = NULL;
+static jvmtiEventCallbacks callbacks;
+static jrawMonitorID countLock;
+
+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
+NativeMethodBind(jvmtiEnv *jvmti_env, JNIEnv* jni_env, jthread thread,
+ jmethodID method, void *addr, void **new_addr) {
+ jvmtiPhase phase;
+ char *methNam, *methSig;
+ int i;
+
+ lock(jvmti_env, jni_env);
+
+ NSK_DISPLAY0(">>>> NativeMethodBind event received\n");
+
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetPhase, jvmti_env, &phase))) {
+ result = STATUS_FAILED;
+ unlock(jvmti_env, jni_env);
+ return;
+ }
+
+ if (phase != JVMTI_PHASE_START && phase != JVMTI_PHASE_LIVE) {
+ unlock(jvmti_env, jni_env);
+ return;
+ }
+
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB5(GetMethodName,
+ jvmti_env, method, &methNam, &methSig, NULL))) {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN0("TEST FAILED: unable to get method name during NativeMethodBind callback\n\n");
+ unlock(jvmti_env, jni_env);
+ return;
+ }
+
+ NSK_DISPLAY2("method: \"%s %s\"\n", methNam, methSig);
+
+ for (i=0; i<METH_NUM; i++) {
+ if ((strcmp(methNam,METHODS[i][0]) == 0) &&
+ (strcmp(methSig,METHODS[i][1]) == 0)) {
+ bindEv[i][0]++;
+
+ NSK_DISPLAY1("CHECK PASSED: NativeMethodBind event received for the method:\n\
+\t\"%s\" as expected\n",
+ methNam);
+ break;
+ }
+ }
+
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
+ jvmti_env, (unsigned char*) methNam))) {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN0("TEST FAILED: unable to deallocate memory pointed to method name\n\n");
+ }
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
+ jvmti_env, (unsigned char*) methSig))) {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN0("TEST FAILED: unable to deallocate memory pointed to method signature\n\n");
+ }
+
+ NSK_DISPLAY0("<<<<\n\n");
+
+ unlock(jvmti_env, jni_env);
+}
+/************************/
+
+/* dummy method used only to provoke NativeMethodBind event */
+static void JNICALL
+anotherNativeMethod(JNIEnv *env, jobject obj) {
+ NSK_DISPLAY0("inside the anotherNativeMethod()\n");
+}
+
+/* dummy method used only to provoke NativeMethodBind event */
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_NativeMethodBind_nativemethbind001_nativeMethod(
+ JNIEnv *env, jobject obj, jboolean registerNative) {
+ jclass testedCls = NULL;
+ JNINativeMethod meth;
+
+ NSK_DISPLAY0("Inside the nativeMethod()\n");
+
+ if (registerNative == JNI_TRUE) {
+ NSK_DISPLAY1("Finding class \"%s\" ...\n", CLASS_SIG);
+ if (!NSK_JNI_VERIFY(env, (testedCls =
+ NSK_CPP_STUB2(FindClass, env, CLASS_SIG)) != NULL)) {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN1("TEST FAILURE: unable to find class \"%s\"\n\n",
+ CLASS_SIG);
+ return;
+ }
+
+ meth.name = (char *) METHODS[1][0];
+ meth.signature = (char *) METHODS[1][1];
+ meth.fnPtr = (void *) &anotherNativeMethod;
+
+ NSK_DISPLAY3("Calling RegisterNatives() with \"%s %s\"\n\
+\tfor class \"%s\" ...\n",
+ METHODS[1][0], METHODS[1][1], CLASS_SIG);
+ if (!NSK_JNI_VERIFY_VOID(env, (NSK_CPP_STUB4(RegisterNatives,
+ env, testedCls, &meth, 1)) != 0)) {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN3("TEST FAILURE: unable to RegisterNatives() \"%s %s\" for class \"%s\"\n\n",
+ METHODS[1][0], METHODS[1][1], CLASS_SIG);
+ }
+ }
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_NativeMethodBind_nativemethbind001_check(
+ JNIEnv *env, jobject obj) {
+ int i;
+
+ for (i=0; i<METH_NUM; i++)
+ if (bindEv[i][0] == bindEv[i][1]) {
+ NSK_DISPLAY2("CHECK PASSED: %d NativeMethodBind event(s) for the method \"%s\" as expected\n",
+ bindEv[i][0], METHODS[i][0]);
+ }
+ else {
+ result = STATUS_FAILED;
+ NSK_COMPLAIN3("TEST FAILED: wrong number of NativeMethodBind events for the method \"%s\":\n\
+got: %d\texpected: %d\n\n",
+ METHODS[i][0], bindEv[i][0], bindEv[i][1]);
+ }
+
+ return result;
+}
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_nativemethbind001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_nativemethbind001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_nativemethbind001(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+ jvmtiCapabilities caps;
+
+ /* 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;
+
+ /* create a raw monitor */
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(CreateRawMonitor,
+ jvmti, "_counter_lock", &countLock)))
+ return JNI_ERR;
+
+ /* add capability to generate compiled method events */
+ memset(&caps, 0, sizeof(jvmtiCapabilities));
+ caps.can_generate_native_method_bind_events = 1;
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities,
+ jvmti, &caps)))
+ return JNI_ERR;
+
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities,
+ jvmti, &caps)))
+ return JNI_ERR;
+ if (!caps.can_generate_native_method_bind_events)
+ NSK_DISPLAY0("Warning: generation of native method bind events is not implemented\n");
+
+ /* set event callback */
+ NSK_DISPLAY0("setting event callbacks ...\n");
+ (void) memset(&callbacks, 0, sizeof(callbacks));
+ callbacks.NativeMethodBind = &NativeMethodBind;
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks,
+ jvmti, &callbacks, sizeof(callbacks))))
+ return JNI_ERR;
+
+ NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+ jvmti, JVMTI_ENABLE, JVMTI_EVENT_NATIVE_METHOD_BIND, NULL)))
+ return JNI_ERR;
+ NSK_DISPLAY0("enabling the events done\n\n");
+
+ return JNI_OK;
+}
+
+#ifdef __cplusplus
+}
+#endif