Rewrite memcheck's event counter machinery.
- unique event counters
- simplify PROF_EVENT
- do not allocate more event counters than needed
- compile cleanly


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15482 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed