/* * Copyright (c) 2006 Ondrej Palkovsky * Copyright (c) 2016 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /** @addtogroup libcamd64 amd64 * @ingroup lc * @{ */ /** @file * @ingroup libcia32 */ #include <tls.h> #include <stddef.h> #include <stdint.h> #include <align.h> #ifdef CONFIG_RTLD #include <rtld/rtld.h> #endif tcb_t *tls_alloc_arch(size_t size, size_t align) { return tls_alloc_variant_2(size, align); } void tls_free_arch(tcb_t *tcb, size_t size, size_t align) { tls_free_variant_2(tcb, size, align); } /* * Rtld TLS support */ typedef struct { unsigned long int ti_module; unsigned long int ti_offset; } tls_index; void __attribute__((__regparm__(1))) *___tls_get_addr(tls_index *ti); void __attribute__((__regparm__(1))) *___tls_get_addr(tls_index *ti) { uint8_t *tls; #ifdef CONFIG_RTLD if (runtime_env != NULL) { return rtld_tls_get_addr(runtime_env, __tcb_get(), ti->ti_module, ti->ti_offset); } #endif /* Get address of static TLS block */ tls = tls_get(); return tls + ti->ti_offset; } /** @} */