[RFC] [PATCH] [v2] AArch64 - Add parameter to __mount routine and register signal handler for profiling.

[Venkataramanan Kumar <venkataramanan dot kumar at linaro dot org>]

Hi Maintainers,

This is version 2 patch that supports profiling in AArch64.
 Ref: https://sourceware.org/ml/libc-ports/2013-09/msg00090.html

This patch in addition to the previous patch, includes changes needed
to register signal handler "profil_counter " for profiling in AArch64.

For execution time profiling for gprof, we need to register the
"profile_counter" signal handler in the same way as other port does in
"sigcontextinfo.h".

I have started cross tests in ARMV8 foundation model.

2013-09-20  Venkataramanan Kumar  <venkataramanan.kumar@linaro.org>

        * sysdeps/aarch64/machine-gmon.h (__mcount): Accept parameter and
          pass it to mcount_internal.
       * sysdeps/unix/sysv/linux/sigcontextinfo.h: New file

regards,
Venkat

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