mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
352988a4a6
Since '--no-tls-optimize' is available for Power in ld, we need to provide __tls_get_addr () in static libc in order to avoid undefined references to this symbol when that flag is used. * sysdeps/powerpc/libc-tls.c: New file. Provides __tls_get_addr () in static libc.
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/* Thread-local storage handling in the ELF dynamic linker. PowerPC version.
|
|
Copyright (C) 2015 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <csu/libc-tls.c>
|
|
#include <dl-tls.h>
|
|
|
|
/* On powerpc, the linker usually optimizes code sequences used to access
|
|
Thread Local Storage. However, when the user disables these optimizations
|
|
by passing --no-tls-optimze to the linker, we need to provide __tls_get_addr
|
|
in static libc in order to avoid undefined references to that symbol. */
|
|
|
|
void *
|
|
__tls_get_addr (tls_index *ti)
|
|
{
|
|
dtv_t *dtv = THREAD_DTV ();
|
|
return (char *) dtv[1].pointer.val + ti->ti_offset + TLS_DTV_OFFSET;
|
|
}
|