[PATCH] S/390: Add SystemTap probes to longjmp and setjmp.

[Stefan Liebler]

Ping


See https://sourceware.org/ml/gdb-patches/2014-10/msg00200.html
for information about the mentioned gdb-patch for 31bit s390.

On 10/09/2014 12:51 PM, Stefan Liebler wrote:
> Hi,
>
> This patch adds support for the SystemTap probes setjmp, longjmp and
> longjmp_target.
> The longjmp probe is needed by gdb to determine the target branch
> address while stepping over a longjmp call.
>
> In order to have the demangled address as argument for the
> longjmp-probe, the demangling was reordered.
>
> Tested on s390/s390x.
> (For 31bit gdb, a gdb-patch is needed in order to step over a longjmp
> call, but the probes are okay.)
>
> Bye
> Stefan
>
> ---
> 2014-10-09  Stefan Liebler  <stli@linux.vnet.ibm.com>
>
>      * sysdeps/s390/s390-32/setjmp.S (__sigsetjmp):
>      Add setjmp LIBC_PROBE.
>      * sysdeps/s390/s390-64/setjmp.S (__sigsetjmp):
>      Likewise.
>      * sysdeps/s390/s390-32/__longjmp.c (__longjmp):
>      Add longjmp, longjmp_target LIBC_PROBE.
>      * sysdeps/s390/s390-64/__longjmp.c (__longjmp):
>      Likewise.