From 2c7ba672ef4c1c7d399fb9e8c5b4a7b9132065ac Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 17 Jan 2003 19:19:37 +0000 Subject: [PATCH] Helper code for TLS setup in static libc. --- sysdeps/alpha/libc-tls.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 sysdeps/alpha/libc-tls.c diff --git a/sysdeps/alpha/libc-tls.c b/sysdeps/alpha/libc-tls.c new file mode 100644 index 0000000..434d5d9 --- /dev/null +++ b/sysdeps/alpha/libc-tls.c @@ -0,0 +1,37 @@ +/* Thread-local storage handling in the ELF dynamic linker. Alpha version. + Copyright (C) 2003 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. */ + +#include +#include + +#if USE_TLS + +/* On Alpha, linker optimizations are not required, so __tls_get_addr + can be called even in statically linked binaries. In this case module + must be always 1 and PT_TLS segment exist in the binary, otherwise it + would not link. */ + +void * +__tls_get_addr (tls_index *ti) +{ + dtv_t *dtv = THREAD_DTV (); + return (char *) dtv[1].pointer + ti->ti_offset; +} + +#endif -- 2.7.4