Add a new kind of memory-painting primitive, which is: 'make_defined'.
For each byte in the range, if the byte is addressible, make it be
initialised, but if it isn't addressible, leave it alone.  So it's
like a version of make_readable which doesn't alter addressibility.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5736 a5019735-40e9-0310-863c-91ae7b9d1cf9
2 files changed