[re] Java executables can abort trying to access a null pointer in a leaf function

[David Daney]

Andrew Haley wrote:
> tsuraan writes:
>  > > Someone will need the assembly and/or object file for a small test case
>  > > to examine the DWARF frame data.
>  > 
>  > I can send a tarball of the entire directory, if desired.  It's 14 KB
>  > without the core dump and 1.2MB with it.  I don't know what filesize
>  > starts to anger people on this list, so I'll just send the smaller
>  > tarball for now.  If the core is desired, I can send that too.
> 
> This looks OK to me: we are generating te null pointer check.  
> 
> Until we actually see the faulting instruction in gdb we're not going
> to get anywhere.  Just load your program into gdb, run it, and tel us
> when it hits the SEGV.
> 

Uh, I don't think there was a fault.  There is an explicit call to 
_Jv_ThrowNullPointerException, then we abort because the unwinder fails.

David Daney.