diff options
Diffstat (limited to 'cpukit/libdl/rtl-tls.c')
-rw-r--r-- | cpukit/libdl/rtl-tls.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/cpukit/libdl/rtl-tls.c b/cpukit/libdl/rtl-tls.c new file mode 100644 index 0000000000..7eb12831eb --- /dev/null +++ b/cpukit/libdl/rtl-tls.c @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup rtems_rtld + * + * @brief RTEMS Run-Time Link Editor Thread Local Storage + * + * TLS support the RTL. + */ + +/* + * COPYRIGHT (c) 2023 Chris Johns <chrisj@rtems.org> + * + * Copyright (C) 2023 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "rtl-tls.h" + +#include <rtems/score/cpuimpl.h> +#include <rtems/score/percpu.h> +#include <rtems/score/thread.h> + +void* rtems_rtl_tls_get_base (void) +{ + return _CPU_Get_TLS_thread_pointer (&_Thread_Get_executing()->Registers); +} |