From: Thorsten Kukuk <kukuk@suse.de>
To: Roland McGrath <roland@redhat.com>
Cc: libc-hacker@sources.redhat.com
Subject: Re: Questions about __thread for NSS modules
Date: Thu, 26 Aug 2004 12:06:00 -0000 [thread overview]
Message-ID: <20040826120638.GA20764@suse.de> (raw)
In-Reply-To: <200408261020.i7QAKVE9018030@magilla.sf.frob.com>
On Thu, Aug 26, Roland McGrath wrote:
> > My question is: is this possible at all in NSS modules like libnss_nis.so?
>
> Sure.
>
> > Do I need to link against libpthread?
>
> No.
>
> > My first try ends in a unresolved "__tls_get_addr" symbol when I try to
> > link the module.
>
> I'll assume that's actually ___tls_get_addr if you're on x86.
> This suggests your dynamic linker is not built with TLS support.
> It defines that symbol.
I know and it is there:
firun:/usr/src/packages/BUILD/glibc-2.3/cc-nptl# nm elf/ld.so |grep __tls_get_addr
0000f010 T ___tls_get_addr
0000f770 T __tls_get_addr
0000f010 t ___tls_get_addr_internal
But when linking the NSS modules, I get the following error:
gcc -shared -static-libgcc -Wl,-O1 -Wl,-z,defs -Wl,-dynamic-linker=/lib/ld-linux.so.2 -B/usr/src/packages/BUILD/glibc-2.3/cc-nptl/csu/ -Wl,--version-script=/usr/src/packages/BUILD/glibc-2.3/cc-nptl/libnss
_nis.map -Wl,-soname=libnss_nis.so.2 -Wl,-z,combreloc -Wl,-z,relro -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/math -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/elf
-L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/dlfcn -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nss -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/rt -L/usr/src/packa
ges/BUILD/glibc-2.3/cc-nptl/resolv -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/crypt -L/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nptl -Wl,-rpath-link=/usr/src/packages/BUILD/glibc-2.3/cc-nptl:/usr/src/packages
/BUILD/glibc-2.3/cc-nptl/math:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/elf:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/dlfcn:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nss:/usr/src/packages/BUILD/glibc-2.3/cc-np
tl/nis:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/rt:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/resolv:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/crypt:/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nptl -o /usr/src/p
ackages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis.so -T /usr/src/packages/BUILD/glibc-2.3/cc-nptl/shlib.lds /usr/src/packages/BUILD/glibc-2.3/cc-nptl/csu/abi-note.o /usr/src/packages/BUILD/glibc-2.3/cc-nptl/csu/s
use-note.o -Wl,--whole-archive /usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a -Wl,--no-whole-archive /usr/src/packages/BUILD/glibc-2.3/cc-nptl/elf/interp.os /usr/src/packages/BUILD/glibc-2.3/cc
-nptl/nis/libnsl.so.1 /usr/src/packages/BUILD/glibc-2.3/cc-nptl/nss/libnss_files.so /usr/src/packages/BUILD/glibc-2.3/cc-nptl/libc.so /usr/src/packages/BUILD/glibc-2.3/cc-nptl/libc_nonshared.a
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x1a): In function `internal_nis_endprotoent':
nss_nis/nis-proto.c:76: undefined reference to `___tls_get_addr'
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x93): In function `_nss_nis_endprotoent':
nss_nis/nis-proto.c:123: undefined reference to `___tls_get_addr'
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x417): In function `internal_nis_setprotoent':
nss_nis/nis-proto.c:98: undefined reference to `___tls_get_addr'
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x470): In function `_nss_nis_getprotoent_r':
nss_nis/nis-proto.c:137: undefined reference to `___tls_get_addr'
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x63e): In function `saveit':
nss_nis/nis-proto.c:60: undefined reference to `___tls_get_addr'
/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis_pic.a(nis-proto.os)(.text+0x65c):nss_nis/nis-proto.c:64: more undefined references to `___tls_get_addr' follow
collect2: ld returned 1 exit status
make[2]: *** [/usr/src/packages/BUILD/glibc-2.3/cc-nptl/nis/libnss_nis.so] Error 1
--
Thorsten Kukuk http://www.suse.de/~kukuk/ kukuk@suse.de
SuSE Linux AG Maxfeldstr. 5 D-90409 Nuernberg
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Key fingerprint = A368 676B 5E1B 3E46 CFCE 2D97 F8FD 4E23 56C6 FB4B
next prev parent reply other threads:[~2004-08-26 12:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-26 9:58 Thorsten Kukuk
2004-08-26 10:20 ` Roland McGrath
2004-08-26 12:06 ` Thorsten Kukuk [this message]
2004-08-30 4:18 ` Roland McGrath
2004-09-08 16:38 ` Thorsten Kukuk
2004-09-08 20:40 ` Roland McGrath
2004-09-09 5:00 ` Thorsten Kukuk
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