test/hotspot/jtreg/vmTestbase/nsk/jvmti/Agent_OnLoad/agentonload003/agentonload003.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 <stdio.h>
#include <string.h>
#include "jvmti.h"
#include "agent_common.h"

#ifdef __cplusplus
extern "C" {
#endif

/* ============================================================================= */

#define TESTED_OPTIONS  "options string  with   blanks"

/* ============================================================================= */

/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_agentonload003(JavaVM *jvm, char *options, void *reserved) {
    return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_agentonload003(JavaVM *jvm, char *options, void *reserved) {
    return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_agentonload003(JavaVM *jvm, char *options, void *reserved) {
    return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {

    if (options == NULL) {
        printf("# ERROR: Second parameter 'options' in JVM_OnLoad() is NULL: 0x%p\n",
                    (void*)options);
        return JNI_ERR;
    }

    if (strcmp(options, TESTED_OPTIONS) != 0) {
        printf("# ERROR: Unexpected options string passed to JVM_OnLoad():\n"
                      "#   got string: \"%s\"\n"
                      "#   expected:   \"%s\"\n",
                      options, TESTED_OPTIONS);
        return JNI_ERR;
    }

    return JNI_OK;
}

/* ============================================================================= */

#ifdef __cplusplus
}
#endif