Get the CFI-based frame-unwinder to the point where it works at least
for small examples on x86.  Still messy, slow, amd64 specifics not
done, and non-null cie.augmentations are not handled.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3582 a5019735-40e9-0310-863c-91ae7b9d1cf9
9 files changed