LvJimmy, thanks for your warnning. Since I just plan to develop some reseach on DRLVM platform. I will not run my benchmark on other JVM.
----- Original Message ----- From: "LvJimmy，Jing" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, April 29, 2007 5:04 PM Subject: Re: problem about System.loadLibrary and object's address > 2007/4/29, 吴廷鹏 <[EMAIL PROTECTED]>: >> Hi, all, >> when I use drlvm to execute my program, I found that when program has >> System.loadLibrary call, there is always an error which reports >> "java.lang.outofmemoryerror <no stack trace available>". The same program >> can run on Hotspot. Why this happens and how to solve it? >> >> Another question, I read the implementation code of Object.clone method in >> Object_generic.cpp. >> >> jobject object_clone(JNIEnv *jenv, jobject jobj) >> { >> ObjectHandle h = (ObjectHandle) jobj; >> >> //aquire the target address and assign it to variable named result >> >> memcpy(result, h->object, size); >> >> } >> According to my comprehension, h->object is the address of java object. Is >> it ture? Does this means I can use the same way to get the address of object >> in vmcore's other place provided the necessary head file is included? >> > > I suggest you ALWAYS use API structure and methods when writing native > codes(JNI, JVMTI, etc). The code you list here is too tricky and > depends on real implementation of JVM, I believe other JVM supports > Harmony may not use such structure, so your program may fail with > them, this is not you want, right? > I'm not sure what you want to do, why you need to access the address > of the object? > >> Thanks, >> tingpeng >> > > > -- > > Best Regards! > > Jimmy, Jing Lv > China Software Development Lab, IBM >
