From: Bernhard Fischer <rep.dot.nop@gmail.com>
To: buildroot@busybox.net
Subject: [Buildroot] undefined __aeabi_read_tp
Date: Wed, 7 Mar 2007 15:47:29 +0100 [thread overview]
Message-ID: <20070307144729.GD16872@aon.at> (raw)
In-Reply-To: <1172178939.22966.16.camel@ndragon.eng.wgate.com>
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
>>
>
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prev parent reply other threads:[~2007-03-07 14:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-22 20:58 [Buildroot] undefined __aeabi_read_tp James Newell
2007-02-22 21:15 ` James Newell
2007-03-07 14:47 ` Bernhard Fischer [this message]
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