git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7398
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6488
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5954
malloc/free implementation, and m_replacemalloc with the stuff for the tools that replace malloc with their own version. Previously these two areas of functionality were mixed up somewhat. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3648