Thanks a lot! I modified the source code of SpecJVM and the agent works well
now~!
2009-11-27
johnnylj98
发件人： Gregory Shimansky
发送时间： 2009-11-26 02:46:12
收件人： dev
抄送：
主题： Re: [DRLVM][JVMTI]a bug when running SpecJVM98 _201_compress
IIRC VMDeath is not sent if System.exit is used by application. This is a
limitation of JMVTI implementation in DRLVM. Most likely Spec uses exit to
finish.
> Hi all,
> I'm doing some tuning work for Harmony running SpecJVM98.
> I write a JVMTI agent to catch VMDeath event and do something at the end of
> JVM's life, but that doesn't work(the same agent work well for hotspot).
>
> my agent likes bellow:
> ...
> static void JNICALL
> callbackVMDeath(jvmtiEnv *jvmti, JNIEnv *jni)
> {
> assert(false);
> printf("vm death\n");
> }
> JNIEXPORT void JNICALL Agent_OnUnload(JavaVM *jvm)
> {
> assert(false);
> printf("unload!");
> }
> JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void
> *reserved) {
> ...
> error = jvmti->SetEventNotificationMode(JVMTI_ENABLE,JVMTI_EVENT_VM_DEATH,
> (jthread)NULL); callbacks.VMDeath = &callbackVMDeath;
> error = jvmti->SetEventCallbacks(&callbacks,(jint)sizeof(callbacks));
> ...
> }
> ...
> The program ends correctly. This is really strange. Can anyone try this
> case and explain for me?
>
> Thanks a lot.
>
> 2009-11-26
>
>
>
> johnnylj98
>
