On 2015/8/8 16:03, Bernhard Reutner-Fischer wrote: > On August 7, 2015 4:28:10 AM GMT+02:00, Junling Zheng > <[email protected]> wrote: >> Ping again... > > Sorry for the delay, will apply the outstanding patches this weekend.
Hi, Bernhard I found that uclibc-ng had already contained this fix. Should it be applied into uClibc? Thanks Junling > > Cheers, >> >> This patch fixed the following issue: >> http://lists.uclibc.org/pipermail/uclibc/2015-May/048966.html >> >> Does anybody suffer this problem ? >> >> On 2015/7/31 18:37, Junling Zheng wrote: >>> Ping... >>> >>> On 2015/7/20 21:33, Junling Zheng wrote: >>>> When debugging a program on ARMv7 with thread-local storage declared >> using >>>> "__thread", attempting to print a thread-local variable will result >> in the >>>> following message: >>>> >>>> Cannot find thread-local storage for Thread <snip> (LWP <snip>), >> executable >>>> file /tmp/tls: capability not available >>>> >>>> This can be traced back to uclibc >> libpthread/nptl_db/td_thr_tls_get_addr.c >>>> which gdb uses to look up the address of the TLS. The function >> returns >>>> TD_NOCAPAB due to a mismatch in size between the DTV pointer and the >> size >>>> recorded in the db description. The problem lies in >> libpthread/nptl_db/db_info.c >>>> which initializes the db with the sizeof the union dtv. Instead it >> should >>>> be the sizeof a pointer to union dtv. >>>> >>>> Fixed the initial size for dtvp to sizeof a pointer, instead of >> sizeof >>>> the union. >>>> >>>> Refer to: >>>> http://sourceware.org/ml/libc-alpha/2006-10/msg00088.html >>>> >> https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=416b630981788c1f08e746e19765aa0e5c2a1360 >>>> >>>> Signed-off-by: Junling Zheng <[email protected]> >>>> --- >>>> libpthread/nptl_db/db_info.c | 2 +- >>>> 1 file changed, 1 insertion(+), 1 deletion(-) >>>> >>>> diff --git a/libpthread/nptl_db/db_info.c >> b/libpthread/nptl_db/db_info.c >>>> index a57a053..159a027 100644 >>>> --- a/libpthread/nptl_db/db_info.c >>>> +++ b/libpthread/nptl_db/db_info.c >>>> @@ -60,7 +60,7 @@ extern bool __nptl_initial_report_events; >>>> i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE. >> */ >>>> DESC (_thread_db_pthread_dtvp, >>>> TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv) >>>> - - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), union dtv) >>>> + - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), union dtv *) >>>> #endif >>>> >>>> >>>> >>> >>> >>> _______________________________________________ >>> uClibc mailing list >>> [email protected] >>> http://lists.busybox.net/mailman/listinfo/uclibc >>> >>> >> >> >> _______________________________________________ >> uClibc mailing list >> [email protected] >> http://lists.busybox.net/mailman/listinfo/uclibc > > > > . > _______________________________________________ uClibc mailing list [email protected] http://lists.busybox.net/mailman/listinfo/uclibc
