Beginnings of a DWARF CFI-based frame-unwinder.  Does not yet do
anything.  This is needed to get stack snapshots on amd64 code
compiled with -O, and could also be used for stack snapshots on x86
code compiled with -fomit-frame-pointer if it also has CFI info.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3581 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed