| /* | |
| * Copyright (c) 2012 ARM Limited | |
| * All rights reserved | |
| * | |
| * The license below extends only to copyright in the software and shall | |
| * not be construed as granting a license to any other intellectual | |
| * property including but not limited to intellectual property relating | |
| * to a hardware implementation of the functionality of the software | |
| * licensed hereunder. You may use the software subject to the license | |
| * terms below provided that you ensure that this notice is replicated | |
| * unmodified and in its entirety in all distributions of the software, | |
| * modified or unmodified, in source code or in binary form. | |
| * | |
| * Copyright (c) 2006 The Regents of The University of Michigan | |
| * 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; | |
| * neither the name of the copyright holders nor the names of its | |
| * contributors may be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * 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. | |
| * | |
| * Authors: Ali Saidi | |
| */ | |
| #ifndef __BASE_COMPILER_HH__ | |
| #define __BASE_COMPILER_HH__ | |
| // gcc C++11 status: http://gcc.gnu.org/projects/cxx0x.html | |
| // clang C++11 status: http://clang.llvm.org/cxx_status.html | |
| // http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html | |
| /* Support for override control (final/override) */ | |
| #undef M5_COMP_HAS_OVERRIDE_CONTROL | |
| #if defined(__GNUC__) && !defined(__clang__) /* Check for gcc */ | |
| # define M5_GCC_VERSION(maj, min) \ | |
| (__GNUC__ > (maj) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min))) | |
| # define M5_COMP_HAS_OVERRIDE_CONTROL M5_GCC_VERSION(4, 7) | |
| #elif defined(__clang__) /* Check for clang */ | |
| # define M5_COMP_HAS_OVERRIDE_CONTROL __has_feature(cxx_override_control) | |
| #else | |
| # error "Need to define compiler options in base/compiler.hh" | |
| #endif | |
| #if M5_COMP_HAS_OVERRIDE_CONTROL | |
| # define M5_ATTR_FINAL final | |
| # define M5_ATTR_OVERRIDE override | |
| #else | |
| # define M5_ATTR_FINAL | |
| # define M5_ATTR_OVERRIDE | |
| #endif | |
| #if defined(__GNUC__) // clang or gcc | |
| # define M5_ATTR_NORETURN __attribute__((noreturn)) | |
| # define M5_DUMMY_RETURN | |
| # define M5_VAR_USED __attribute__((unused)) | |
| # define M5_ATTR_PACKED __attribute__ ((__packed__)) | |
| # define M5_NO_INLINE __attribute__ ((__noinline__)) | |
| #endif | |
| #if defined(__clang__) | |
| # define M5_CLASS_VAR_USED M5_VAR_USED | |
| #else | |
| # define M5_CLASS_VAR_USED | |
| #endif | |
| #endif // __BASE_COMPILER_HH__ |