This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
Re: [Query] Re: dwarf unwinder (only works on i386/x86_64)
> The original choice for using debug_frame was because it was always
> available (since we required debuginfo already) and it was complete. GCC
> 4.4 changed this though (and the uprobes_ustack.exp test does indeed
> fail when build with gcc 4.4). [...]
To be fair, 4.4 only changed one of the many wrinkles that fold together
here. It was never really the case that either one was always complete
when present. (It's a big hairy subject.)