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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 <string.h>
#include "jvmti.h"
#include "agent_common.h"
#include "jni_tools.h"
#include "jvmti_tools.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ========================================================================== */
/* scaffold objects */
static jlong timeout = 0;
/* test objects */
static int eventsCount;
/* ========================================================================== */
/* check if any DynamicCodeGenerated events received */
static int checkDynamicCodeGeneratedEvents() {
NSK_DISPLAY1("DynamicCodeGenerated events received: %d\n", eventsCount);
if (eventsCount == 0) {
NSK_DISPLAY0("# WARNING: no DynamicCodeGenerated events\n");
NSK_DISPLAY0("# (dynamic code may not be generated at all)\n");
}
return NSK_TRUE;
}
/* ========================================================================== */
JNIEXPORT void JNICALL
DynamicCodeGenerated(jvmtiEnv* jvmti,
const char* name, const void* address, jint length) {
NSK_DISPLAY3("DynamicCodeGenerated: \"%s\", address=0x%p, length=%d\n",
name, address, length);
eventsCount++;
}
/* ========================================================================== */
/* agent algorithm */
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
/* wait for debuggee start */
if (!nsk_jvmti_waitForSync(timeout))
return;
/* testcase #1: check if any DynamicCodeGenerated events received*/
NSK_DISPLAY0("Testcase #1: check if any DynamicCodeGenerated events received\n");
if (!checkDynamicCodeGeneratedEvents())
nsk_jvmti_setFailStatus();
/* resume debugee after last sync */
if (!nsk_jvmti_resumeSync())
return;
}
/* ========================================================================== */
/* agent library initialization */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_dyncodgen001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_dyncodgen001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_dyncodgen001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jvmtiEnv* jvmti = NULL;
jvmtiEventCallbacks callbacks;
/* init framework and parse options */
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
timeout = nsk_jvmti_getWaitTime() * 60000;
NSK_DISPLAY1("Timeout: %d msc\n", (int)timeout);
/* create JVMTI environment */
if (!NSK_VERIFY((jvmti =
nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
return JNI_ERR;
memset(&callbacks, 0, sizeof(callbacks));
callbacks.DynamicCodeGenerated = &DynamicCodeGenerated;
if (!NSK_JVMTI_VERIFY(
NSK_CPP_STUB3(SetEventCallbacks, jvmti,
&callbacks, sizeof(callbacks))))
return JNI_ERR;
/* enable DynamicCodeGenerated event */
if (!NSK_JVMTI_VERIFY(
NSK_CPP_STUB4(SetEventNotificationMode, jvmti, JVMTI_ENABLE,
JVMTI_EVENT_DYNAMIC_CODE_GENERATED, NULL)))
return JNI_ERR;
/* register agent proc and arg */
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
return JNI_ERR;
return JNI_OK;
}
/* ========================================================================== */
#ifdef __cplusplus
}
#endif
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