On Mon, Nov 10, 2014 at 2:12 AM, Joerg Sonnenberger <jo...@britannica.bec.de> wrote: > On Mon, Nov 10, 2014 at 01:40:59AM +0900, Masao Uebayashi wrote: >> On Mon, Nov 10, 2014 at 1:24 AM, Joerg Sonnenberger >> <jo...@britannica.bec.de> wrote: >> > On Sun, Nov 09, 2014 at 09:26:45PM +0900, Masao Uebayashi wrote: >> >> o .eh_frame is GNU extension debug info to unwind stack [1] >> > >> > No. >> >> Ian Lance Taylor said that it is similar to DWARF .debug_frame, but >> different. > > Yes, but it is not a GNU extension. > >> >> o .eh_frame in kernel is not used yet, and safely removed from /netbsd >> > >> > Please do not. >> >> o Is it correct that .eh_frame is not used by anything at all at the moment? > > gdb should in principle, haven't tried. libunwind is not hooked into ddb > (yet).
Good to see these are clarified, finally. >> o Can users safely trim .eh_frame from her/his kernel? > > Yes, but it should not be the default behavior... If users find 500K is wasted and complain that, what is your answer?