m_machine: add new function VG_(machine_get_size_of_largest_guest_register)
cachegrind: use the new function to abort startup if the minumum line
  size is smaller than the size of the largest guest register.
Partially derived from a patch by Josef Weidendorfer.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12605 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed