diff options
Diffstat (limited to '')
-rw-r--r-- | cpukit/include/rtems/linkersets.h | 81 |
1 files changed, 62 insertions, 19 deletions
diff --git a/cpukit/include/rtems/linkersets.h b/cpukit/include/rtems/linkersets.h index e156fd4379..a5d7b1b037 100644 --- a/cpukit/include/rtems/linkersets.h +++ b/cpukit/include/rtems/linkersets.h @@ -1,15 +1,36 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSAPILinkerSets + * + * @brief This header file provides the linker sets API. + */ + /* - * Copyright (c) 2015, 2020 embedded brains GmbH. All rights reserved. + * Copyright (C) 2015, 2020 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * 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. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * 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. */ #ifndef _RTEMS_LINKERSET_H @@ -21,6 +42,36 @@ extern "C" { #endif /* __cplusplus */ +/** + * @ingroup RTEMSImpl + * + * @brief Obfuscates a pointer to prevent compiler optimizations. + * + * @param ptr is the pointer to obfuscate. + * + * @return Returns the unsigned integer representation of the obfuscated + * pointer. + */ +static inline uintptr_t _Linker_set_Obfuscate( const void *ptr ) +{ + uintptr_t addr; + + addr = (uintptr_t) ptr; + RTEMS_OBFUSCATE_VARIABLE( addr ); + + return addr; +} + +/** + * @defgroup RTEMSAPILinkerSets Linker Sets + * + * @ingroup RTEMSAPI + * + * @brief This group contains the linker sets API. + * + * @{ + */ + #define RTEMS_LINKER_SET_BEGIN( set ) \ _Linker_set_##set##_begin @@ -116,16 +167,6 @@ extern "C" { decl \ RTEMS_SECTION( ".rtemsrwset." #set ".content" ) -RTEMS_INLINE_ROUTINE uintptr_t _Linker_set_Obfuscate( const void *ptr ) -{ - uintptr_t addr; - - addr = (uintptr_t) ptr; - RTEMS_OBFUSCATE_VARIABLE( addr ); - - return addr; -} - #define RTEMS_LINKER_SET_SIZE( set ) \ ( _Linker_set_Obfuscate( RTEMS_LINKER_SET_END( set ) ) \ - _Linker_set_Obfuscate( RTEMS_LINKER_SET_BEGIN( set ) ) ) @@ -144,6 +185,8 @@ RTEMS_INLINE_ROUTINE uintptr_t _Linker_set_Obfuscate( const void *ptr ) ++item \ ) +/** @} */ + #ifdef __cplusplus } #endif /* __cplusplus */ |