Re: [Libunwind-devel] Backtrace performance on x86-64 based on Dwarf info

[Arun Sharma]

On Mon, Jun 2, 2014 at 3:23 AM, Milian Wolff <address@hidden> wrote:

>
> Looking at the backtrace for the return values I go
> ...
>
> 0x400fff main in /home/milian/projects/kde4/mallocinfo/tests/test.cpp:66
> /home/milian/projects/.build/kde4/mallocinfo/tests/test_cpp
>
> 0x7f0b689a1000 __libc_start_main /usr/lib/libc.so.6
>
> 0x400d29 ? /home/milian/projects/.build/kde4/mallocinfo/tests/test_cpp
>
> 0x0 <unknown module>

On a system with recent glibc, you the unwind should terminate around
__libc_start_main because of RBP=0.
http://koala.cs.pub.ro/lxr/#glibc+2.9/sysdeps/x86_64/elf/start.S#L65

What version of glibc are you using?

 -Arun