/
agentonload001.cpp
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/
agentonload001.cpp
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/*
* 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 "jvmti.h"
#include "agent_common.h"
#include "jvmti_tools.h"
extern "C" {
/* ============================================================================= */
#define STATUS_FAILED 2
#define PASSED 0
static volatile int status = STATUS_FAILED;
/* ============================================================================= */
/** Check status of JVM_OnLoad() invocation. */
JNIEXPORT jint JNICALL
Java_nsk_jvmti_Agent_1OnLoad_agentonload001_checkLoadStatus(JNIEnv* jni, jobject obj) {
return status;
}
/* ============================================================================= */
/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_agentonload001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_agentonload001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_agentonload001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
status = PASSED;
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
NSK_DISPLAY0("JVM_OnLoad is invoked with parameters:\n");
NSK_DISPLAY1(" vm: 0x%p\n", (void*)jvm);
NSK_DISPLAY1(" options: \"%s\"\n", nsk_null_string(options));
NSK_DISPLAY1(" reserved: 0x%p\n", (void*)jvm);
if (jvm == NULL) {
NSK_COMPLAIN1("First parameter 'vm' in JVM_OnLoad() is NULL: 0x%p\n", (void*)jvm);
status = STATUS_FAILED;
}
if (options == NULL) {
NSK_COMPLAIN1("Second parameter 'options' in JVM_OnLoad() is NULL: 0x%p\n", (void*)options);
status = STATUS_FAILED;
}
if (status != PASSED) {
return JNI_ERR;
}
return JNI_OK;
}
/* ============================================================================= */
}