Re: Issue with Latest GDB on AIX with GCC-6.12
Yao Qi <[email protected]>
| Newsgroups | gmane.comp.gdb.devel |
|---|---|
| Message-ID | <20170125143729.GU28060@E107787-LIN> |
On 17-01-25 13:52:49, Pedro Alves wrote: > > So I'm out of ideas. It looks like a toolchain/runtime bug > to me. > Hi Pedro, GDB on AIX (at least gcc119) is broken since Nov 2016 at least. https://sourceware.org/ml/gdb/2016-11/msg00023.html I tried to debug libgcc on exception unwinding (in assembly!). I have a vague memory that unwinder stops unwinding after one or two frames. I suspect either gcc generate wrong .eh_frame or libgcc is buggy. That is where I stopped. -- Yao (齐尧)