Re: [Valgrind-users] Valgrind doesn't create readable core dumps

[Mikhail B. <mik...@de...>]

Hello.
Is there a possibility to disable signals handling by valgrind? The core 
will be created by the system and that will solve the problem.

On 07/02/2015 04:11 PM, Mikhail Baikov wrote:
> Hello
>
> I've got a problem while reading dumps created by valgrind. I've 
> compiled and run this code with valgrind and without it.
> /int main()//
> //{//
> //    const char *str = "segfault";//
> //    *(char *)str = 'a';//
> //    return 1;//
> //}
> /
>
> When I read the system created core dump it's readable
> /Core was generated by `./seg'.//
> //Program terminated with signal 11, Segmentation fault.//
> //#0  0x004006d0 in main () at ./seg.c:4/
>
> When I try to read the core dump created by valgrind, gdb is unable to 
> read it
> /warning: Couldn't find general-purpose registers in core file.//
> //
> //warning: Could not load shared library symbols for 5 libraries, e.g. 
> /bin/valgrind/lib/valgrind/vgpreload_core-mips32-linux.so.//
> //Use the "info sharedlibrary" command to see the complete listing.//
> //Do you need "set solib-search-path" or "set sysroot"?//
> //Core was generated by `'.//
> //
> //warning: Couldn't find general-purpose registers in core file.//
> //../../gdb-7.3.1/gdb/frame-unwind.c:133: internal-error: 
> frame_unwind_find_by_frame failed//
> //A problem internal to GDB has been detected,//
> //further debugging may prove unreliable./
>
> Can you help me with this?
> P.S.
> cpu model: Broadcom BMIPS5000 V1.1  FPU V0.1
> valgrind-3.10.1
>
> -- 
> Sincerely
> Mikhail Baikov
>
>
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-- 
Sincerely
Mikhail Baikov