Modularised the profiling stuff as m_profile.c.  It's much more 
sensible now -- no vg_dummy_profile.c, no silly #including of
vg_profile.c from tools.  

Unfortunately, it still doesn't work, due to bad interactions
with signal handling that I don't understand.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3833 a5019735-40e9-0310-863c-91ae7b9d1cf9
22 files changed