glibc/ports/sysdeps/aarch64/libc-tls.c

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/* Copyright (C) 2005-2013 Free Software Foundation, Inc.
2012-11-10 01:53:51 +08:00
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 AArch64, 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.val + ti->ti_offset;
}