245 lines
8.3 KiB
C++
245 lines
8.3 KiB
C++
/*
|
|
* 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 <stdlib.h>
|
|
#include <string.h>
|
|
#include "jni_tools.h"
|
|
#include "agent_common.h"
|
|
#include "jvmti_tools.h"
|
|
|
|
extern "C" {
|
|
|
|
#define STATUS_FAILED 2
|
|
#define PASSED 0
|
|
|
|
/* tested method */
|
|
static const char *METHODS[] = {
|
|
"nativeMethod", "()V"
|
|
};
|
|
|
|
/* event counter for the tested method and expected number
|
|
of the events */
|
|
static volatile int bindEv[] = {
|
|
0, 1
|
|
};
|
|
|
|
static const char *CLASS_SIG =
|
|
"Lnsk/jvmti/NativeMethodBind/nativemethbind003$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(jvmti_env->RawMonitorEnter(countLock)))
|
|
jni_env->FatalError("failed to enter a raw monitor\n");
|
|
}
|
|
|
|
static void unlock(jvmtiEnv *jvmti_env, JNIEnv *jni_env) {
|
|
if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorExit(countLock)))
|
|
jni_env->FatalError("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;
|
|
|
|
lock(jvmti_env, jni_env);
|
|
|
|
NSK_DISPLAY0(">>>> NativeMethodBind event received\n");
|
|
|
|
if (!NSK_JVMTI_VERIFY(jvmti_env->GetPhase(&phase))) {
|
|
result = STATUS_FAILED;
|
|
unlock(jvmti_env, jni_env);
|
|
return;
|
|
}
|
|
|
|
if (phase != JVMTI_PHASE_LIVE && phase != JVMTI_PHASE_START) {
|
|
unlock(jvmti_env, jni_env);
|
|
return;
|
|
}
|
|
|
|
if (!NSK_JVMTI_VERIFY(jvmti_env->GetMethodName(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;
|
|
}
|
|
|
|
if ((strcmp(methNam,METHODS[0]) == 0) &&
|
|
(strcmp(methSig,METHODS[1]) == 0)) {
|
|
bindEv[0]++;
|
|
|
|
NSK_DISPLAY2("\tmethod: \"%s %s\"\n", methNam, methSig);
|
|
}
|
|
|
|
if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*) methNam))) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN0("TEST FAILED: unable to deallocate memory storing method name\n\n");
|
|
}
|
|
if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate((unsigned char*) methSig))) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN0("TEST FAILED: unable to deallocate memory storing method signature\n\n");
|
|
}
|
|
|
|
NSK_DISPLAY0("<<<<\n\n");
|
|
|
|
unlock(jvmti_env, jni_env);
|
|
}
|
|
|
|
void JNICALL
|
|
VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
|
|
NSK_DISPLAY0("VMDeath event received\n");
|
|
|
|
if (bindEv[0] != bindEv[1]) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN5(
|
|
"TEST FAILED: wrong NativeMethodBind events\n"
|
|
"\tfor tested method \"%s %s\" bound with \"%s\":\n"
|
|
"\tgot: %d\texpected: %d\n\n",
|
|
METHODS[0], METHODS[1], CLASS_SIG, bindEv[0], bindEv[1]);
|
|
} else {
|
|
NSK_DISPLAY4(
|
|
"CHECK PASSED: %d NativeMethodBind event(s)\n"
|
|
"\tfor tested method \"%s %s\" bound with \"%s\"\n"
|
|
"\tas expected\n",
|
|
bindEv[0], METHODS[0], METHODS[1], CLASS_SIG);
|
|
}
|
|
|
|
if (result == STATUS_FAILED)
|
|
exit(95 + STATUS_FAILED);
|
|
}
|
|
/************************/
|
|
|
|
/* dummy method used only to provoke NativeMethodBind event */
|
|
static void JNICALL
|
|
nativeMethod(JNIEnv *env, jobject obj) {
|
|
NSK_DISPLAY0("inside the nativeMethod()\n");
|
|
}
|
|
|
|
/* dummy method used only to provoke NativeMethodBind event */
|
|
JNIEXPORT void JNICALL
|
|
Java_nsk_jvmti_NativeMethodBind_nativemethbind003_registerNative(
|
|
JNIEnv *env, jobject obj) {
|
|
jclass testedCls = NULL;
|
|
JNINativeMethod meth;
|
|
|
|
NSK_DISPLAY1("Inside the registerNative()\n"
|
|
"Finding class \"%s\" ...\n",
|
|
CLASS_SIG);
|
|
if (!NSK_JNI_VERIFY(env, (testedCls = env->FindClass(CLASS_SIG)) != NULL)) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN1("TEST FAILURE: unable to find class \"%s\"\n\n",
|
|
CLASS_SIG);
|
|
return;
|
|
}
|
|
|
|
meth.name = (char*) METHODS[0];
|
|
meth.signature = (char*) METHODS[1];
|
|
meth.fnPtr = (void*) nativeMethod;
|
|
|
|
NSK_DISPLAY3(
|
|
"Calling RegisterNatives() with \"%s %s\"\n"
|
|
"\tfor class \"%s\" ...\n",
|
|
METHODS[0], METHODS[1], CLASS_SIG);
|
|
if (!NSK_JNI_VERIFY_VOID(env, (env->RegisterNatives(testedCls, &meth, 1)) != 0)) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN3("TEST FAILURE: unable to RegisterNatives() \"%s %s\" for class \"%s\"\n\n",
|
|
METHODS[0], METHODS[1], CLASS_SIG);
|
|
}
|
|
|
|
NSK_DISPLAY1("Calling UnregisterNatives() for class \"%s\" ...\n",
|
|
CLASS_SIG);
|
|
if (!NSK_JNI_VERIFY_VOID(env, (env->UnregisterNatives(testedCls)) != 0)) {
|
|
result = STATUS_FAILED;
|
|
NSK_COMPLAIN3("TEST FAILURE: unable to UnregisterNatives() \"%s %s\" for class \"%s\"\n\n",
|
|
METHODS[1][0], METHODS[1][1], CLASS_SIG);
|
|
}
|
|
}
|
|
|
|
#ifdef STATIC_BUILD
|
|
JNIEXPORT jint JNICALL Agent_OnLoad_nativemethbind003(JavaVM *jvm, char *options, void *reserved) {
|
|
return Agent_Initialize(jvm, options, reserved);
|
|
}
|
|
JNIEXPORT jint JNICALL Agent_OnAttach_nativemethbind003(JavaVM *jvm, char *options, void *reserved) {
|
|
return Agent_Initialize(jvm, options, reserved);
|
|
}
|
|
JNIEXPORT jint JNI_OnLoad_nativemethbind003(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(jvmti->CreateRawMonitor("_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(jvmti->AddCapabilities(&caps)))
|
|
return JNI_ERR;
|
|
|
|
if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&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;
|
|
callbacks.VMDeath = &VMDeath;
|
|
if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks))))
|
|
return JNI_ERR;
|
|
|
|
NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
|
|
if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE,
|
|
JVMTI_EVENT_NATIVE_METHOD_BIND,
|
|
NULL)))
|
|
return JNI_ERR;
|
|
if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE,
|
|
JVMTI_EVENT_VM_DEATH,
|
|
NULL)))
|
|
return JNI_ERR;
|
|
NSK_DISPLAY0("enabling the events done\n\n");
|
|
|
|
return JNI_OK;
|
|
}
|
|
|
|
}
|