On Sun, Jun 15, 2014 at 12:50:14PM +0200, Mark Wielaard wrote: > On Sun, 2014-06-15 at 12:39 +0200, Kurt Roeckx wrote: > > On Sun, Jun 15, 2014 at 12:30:02PM +0200, Mark Wielaard wrote: > > > Another ARM oddity. A return value address in an unwind will contain an > > > extra bit to indicate whether to return to a regular ARM or THUMB > > > function. > > > Add a new ebl function to return a mask to use to get the actual return > > > address during an unwind ebl_unwind_ret_mask. > > > > Does this fix all the issues on armhf now, including the > > backtrace? > > Yes, you'll need this patch, the "libebl: Add sym_func_value hook" and > the "tests: backtrace.c accept __libc_do_syscall as first frame symname" > patches. With libc6-dbg installed all tests should PASS with 3 SKIPs, > without libc6-dbg installed you should see 6 SKIPs (no FAILs). > > The other recent patches should be optional, but help for arches which > don't have a fully working unwind backend and make the tests a bit more > robust and clear when something does go wrong.
Things seem to have worked on arm(hf) now, but I got a bus error on sparc instead. Things that changed between the previous upload and this one are the 4 patches you made, and that we switched to gcc 4.9, eglibc 2.19, ... But I suspect it's one of the patches. Kurt
