41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
/* Copyright (C) 2010-2021 Free Software Foundation, Inc.
|
|
Contributed by Richard Henderson <rth@redhat.com>.
|
|
|
|
This file is part of the GNU Transactional Memory Library (libitm).
|
|
|
|
Libitm is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Libitm 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 General Public License for
|
|
more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libitm_i.h"
|
|
|
|
namespace GTM HIDDEN {
|
|
|
|
#if !defined(HAVE_ARCH_GTM_THREAD) || !defined(HAVE_ARCH_GTM_THREAD_DISP)
|
|
__thread gtm_thread_tls _gtm_thr_tls;
|
|
#endif
|
|
|
|
// See tls.h for comments.
|
|
void * __attribute__((noinline))
|
|
mask_stack_bottom(gtm_thread *tx)
|
|
{
|
|
return (uint8_t*)__builtin_dwarf_cfa() - 256;
|
|
}
|
|
|
|
} // namespace GTM
|