> On Thu, Sep 25, 2014 at 8:37 AM, H.J. Lu <hjl.to...@gmail.com> wrote: > > On Thu, Sep 25, 2014 at 8:24 AM, Ian Lance Taylor <i...@google.com> wrote: > >> On Wed, Sep 24, 2014 at 6:58 PM, Jan Hubicka <hubi...@ucw.cz> wrote: > >>> > >>> b: 00 00 > >>> 9: R_X86_64_TPOFF32 > >>> __gcov_indirect_call_counters_ltopriv > >> > >> Look at the .o file where __gcov_indirect_call_counters_ltopriv is > >> defined. That .o file must have the symbol marked as STT_TLS and it > >> must be defined in a section with the SHF_TLS flag. If that is not > >> true, then that is your problem. > > > > SHF_TLS isn't required. > > > > 16: 0000000000000008 8 TLS GLOBAL HIDDEN COM > > __gcov_indirect_call_counters_ltopriv > > 17: 0000000000000008 8 TLS GLOBAL HIDDEN COM > > __gcov_indirect_call_callee_ltopriv > > > > are also sufficient. > > I can create a .o file with a hidden common symbol, but I can't > recreate the problem. When I try, gold creates a TLS section and TLS > segment itself. > > How exactly is gold being invoked?
It seems to happen with LTO compilation only, just build mainline tree and try the original testcase. Honza > > Ian
