RFR: JDK-8144965: Show oop pointer in call frame at HSDB.

[Jaroslav Bachorik]

On 9.12.2015 01:59, Yasumasa Suenaga wrote:
> Hi all,
> 
> I use HSDB / CLHSDB when I have to analyze coredump image.
> For example, if JVM is crashed in static JNI method (e.g. ZIP archive operation),
> I want to find oop (like "this" pointer) address from upper call frame.
> 
> We can find it from stack, however, it is hard.
> So I want to show it in each call frame as possible.
> 
> 
> I've uploaded a webrev:
>    http://cr.openjdk.java.net/~ysuenaga/JDK-8144965/webrev.00/
> 
> I'm jdk 9 committer, however, I could not access JPRT.
> Thus I need a sponsor.
> 
> Could you help?
> 
> 
> I want to show Inspect window when oop address is clicked in HSDB.
> However, it seems hard because HTMLGenerator is generating text, does not have
> window control.
> 
> Thus I propose to show oop address.

http://cr.openjdk.java.net/~ysuenaga/JDK-8144965/webrev.00/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java.frames.html
L1926 - vf.getLocals().oopHandleAt(0) may return null; the result should
be checked before calling toString() on it

-JB-

> 
> 
> Thanks,
> 
> Yasumasa
>