From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17724 invoked by alias); 31 Mar 2010 14:53:54 -0000 Received: (qmail 17648 invoked by uid 48); 31 Mar 2010 14:53:32 -0000 Date: Wed, 31 Mar 2010 14:53:00 -0000 Message-ID: <20100331145332.17647.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/43602] ___emutls_v.__gcov_indirect_call_[counters|callee] undefined on *-*-darwin* In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "howarth at nitro dot med dot uc dot edu" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-03/txt/msg03165.txt.bz2 ------- Comment #3 from howarth at nitro dot med dot uc dot edu 2010-03-31 14:53 ------- Does this change applied to libmudflap (which we don't build on darwin) provide a template for what we might need to do? Author: jiez Date: Fri Jan 23 04:58:03 2009 New Revision: 143583 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143583 Log: libmudflap/ * mf-impl.h (__mf_get_state, __mf_set_state): Don't use __thread when TLS support is emulated. * mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise. * mf-runtime.c (__mf_state_1): Likewise. * configure.ac: Use GCC_CHECK_EMUTLS. * configure: Regenerate. * config.h.in: Regenerate. config/ * tls.m4 (GCC_CHECK_EMUTLS): Define. Modified: trunk/config/ChangeLog trunk/config/tls.m4 trunk/libmudflap/ChangeLog trunk/libmudflap/config.h.in trunk/libmudflap/configure trunk/libmudflap/configure.ac trunk/libmudflap/mf-hooks3.c trunk/libmudflap/mf-impl.h trunk/libmudflap/mf-runtime.c I noticed they they are opting out of using __thread in a particular case for emulated TLS. Perhaps this is another instance requiring a similar change. This was proposed in... http://gcc.gnu.org/ml/gcc-patches/2009-01/msg00406.html and discussed in the thread leading up to that post (which terminates the thread). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43602