From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernhard Fischer Date: Wed, 7 Mar 2007 15:47:29 +0100 Subject: [Buildroot] undefined __aeabi_read_tp In-Reply-To: <1172178939.22966.16.camel@ndragon.eng.wgate.com> References: <1172177933.22966.13.camel@ndragon.eng.wgate.com> <1172178939.22966.16.camel@ndragon.eng.wgate.com> Message-ID: <20070307144729.GD16872@aon.at> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On Thu, Feb 22, 2007 at 04:15:38PM -0500, James Newell wrote: >Hmmmm .. I found them defined in glibc2.5: >$findsym __aeabi_read_tp >Searching library: ./arm-926ejs-linux-gnueabi/lib/libc_nonshared.a > Found object __aeabi_read_tp in >library ./arm-926ejs-linux-gnueabi/lib/libc_nonshared.a >Searching library: ./arm-926ejs-linux-gnueabi/lib/libc.a > Found object __aeabi_read_tp in >library ./arm-926ejs-linux-gnueabi/lib/libc.a > >Could my uclibc be mis-configured for threading? First, you should direct this to the uClibc list, probably. Second, AFAIK only linuxthreads.old work on arm. HTH, >Thanks, >Jim > >On Thu, 2007-02-22 at 15:58 -0500, James Newell wrote: >> I was building the ubuntu upstart package, and ran into an undefined >> __aeabi_read_tp call. >> >> The gcc defines: >> -mtp=name >> Specify the access model for the thread local storage pointer. The >> valid models are soft, which generates calls to "__aeabi_read_tp", >> cp15, which fetches the thread pointer from "cp15" directly (sup- >> ported in the arm6k architecture), and auto, which uses the best >> available method for the selected processor. The default setting >> is auto. >> >> The __aeabi_read_tp is not defined in the uclibc libs: >> [jnewell at ndragon staging_dir]$ nm $(find . -type f -name "*.a")|grep >> eabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> U __aeabi_read_tp >> >> Does anyone know who should be defining this call? >> >> Thanks, >> Jim >> >> Some of my config: >> [jnewell at ndragon buildroot]$ grep -e ^BR2_GCC -e ABI -e THREAD .config >> # BR2_ARM_OABI is not set >> BR2_ARM_EABI=y >> # BR2_PTHREADS_NONE is not set >> # BR2_PTHREADS is not set >> # BR2_PTHREADS_OLD is not set >> BR2_PTHREADS_NATIVE=y >> # BR2_PTHREAD_DEBUG is not set >> BR2_GCC_VERSION_4_2=y >> BR2_GCC_IS_SNAP=y >> BR2_GCC_SNAP_DATE="20070214" >> BR2_GCC_VERSION="4.2" >> BR2_GCC_SHARED_LIBGCC=y >> BR2_SOFT_FLOAT=y >> >> >> >> _______________________________________________ >> buildroot mailing list >> buildroot at uclibc.org >> http://busybox.net/mailman/listinfo/buildroot >> > >_______________________________________________ >buildroot mailing list >buildroot at uclibc.org >http://busybox.net/mailman/listinfo/buildroot >