From 535b764df5ca722066c2db615190e6a70688c6a6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 5 Feb 2002 00:57:29 +0000 Subject: Update. * elf/rtld.c (_dl_start_final): Allocate TLS and initialize thread-pointer as soon as possible. * sysdeps/generic/ldsodefs.h: Include . Define first TLS elements in rtld_global. * sysdeps/generic/tls.h: New file. * elf/Makefile (distribute): Add tls.h. * sysdeps/i386/dl-machine.h (elf_machine_rel): Add support for TLS relocations. Not complete yet. * resolv/resolv.h: Allow user to define __need_res_state and only define __res_start structure then. * include/resolv.h: Only declare functions if _RESOLV_H_ is defined. --- sysdeps/generic/ldsodefs.h | 6 ++++++ sysdeps/generic/tls.h | 22 ++++++++++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 sysdeps/generic/tls.h (limited to 'sysdeps/generic') diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 0f63799524..08785a818e 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -35,6 +35,7 @@ #include #include #include +#include __BEGIN_DECLS @@ -286,6 +287,11 @@ struct rtld_global EXTERN hp_timing_t _dl_hp_timing_overhead; #endif +#ifdef USE_TLS + /* Offset of the TLS block for ld.so from the thread-pointer. */ + EXTERN size_t _rtld_tlsoffset; +#endif + /* Name of the shared object to be profiled (if any). */ EXTERN const char *_dl_profile; /* Map of shared object to be profiled. */ diff --git a/sysdeps/generic/tls.h b/sysdeps/generic/tls.h new file mode 100644 index 0000000000..3820162ae8 --- /dev/null +++ b/sysdeps/generic/tls.h @@ -0,0 +1,22 @@ +/* Definition for thread-local data handling. Generic version. + Copyright (C) 2002 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. */ + +/* By default no TLS support is available. This is signaled by the + absence of the symbol USE_TLS. */ +#undef USE_TLS -- cgit 1.4.1