Question regarding userspace tracing memcpy in glibc

Frank Ch. Eigler fche@redhat.com
Fri Dec 10 17:49:00 GMT 2010


"Ariel Shaqed (Scolnicov)" <ariels@correlix.com> writes:

> [...]
> I believe the problem is much worse.  Usually no functions are called
> for memcpy (GCC implements them as intrinsics).  [...]

You're right, and moreover, gcc doesn't emit any metadata.  I'll ask
our compiler folks to investigate the possibility of producing dwarf
data for a pretend-inlined-memcpy.

- FChE



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