From 6f1672172c9c9e5eb5afdcf521e3528b38b2e2dd Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 22 Nov 2009 20:42:53 -0800 Subject: Make libthread_db work without libpthread, just enough for TLS decoding. --- nptl/ChangeLog | 5 +++++ nptl/sysdeps/pthread/Versions | 6 ++++++ nptl/sysdeps/pthread/dl-sysdep.c | 38 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 49 insertions(+) create mode 100644 nptl/sysdeps/pthread/Versions create mode 100644 nptl/sysdeps/pthread/dl-sysdep.c (limited to 'nptl') diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 494b590..d8dee1c 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2009-11-23 Roland McGrath + + * sysdeps/pthread/dl-sysdep.c: New file. + * sysdeps/pthread/Versions: New file. + 2009-11-27 Thomas Schwinge * sysdeps/unix/sysv/linux/sh/pt-initfini.c (_init): Don't call diff --git a/nptl/sysdeps/pthread/Versions b/nptl/sysdeps/pthread/Versions new file mode 100644 index 0000000..ab6aec0 --- /dev/null +++ b/nptl/sysdeps/pthread/Versions @@ -0,0 +1,6 @@ +ld { + GLIBC_PRIVATE { + # These are used by libthread_db, so must be visible somehow. + _thread_db_*; + } +} diff --git a/nptl/sysdeps/pthread/dl-sysdep.c b/nptl/sysdeps/pthread/dl-sysdep.c new file mode 100644 index 0000000..3dbeebc --- /dev/null +++ b/nptl/sysdeps/pthread/dl-sysdep.c @@ -0,0 +1,38 @@ +/* libthread_db hooks in the dynamic linker. + Copyright (C) 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This cpp magic lets us use #include_next in the #else branch. */ +#ifndef IS_IN_dl_sysdep +# define IS_IN_dl_sysdep 1 +# include +#else + +# include_next + +/* A dynamic linker with TLS support needs to make some information + available to libthread_db so debuggers can figure out TLS lookups + even when libpthread is not loaded. */ + +# include + +const char _thread_db_dl_nptl_version[] __attribute_used__ = VERSION; + +# include <../nptl_db/db_info.c> + +#endif -- cgit v1.1