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compiler.hh
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1 /*
2  * Copyright (c) 2012 ARM Limited
3  * All rights reserved
4  *
5  * The license below extends only to copyright in the software and shall
6  * not be construed as granting a license to any other intellectual
7  * property including but not limited to intellectual property relating
8  * to a hardware implementation of the functionality of the software
9  * licensed hereunder. You may use the software subject to the license
10  * terms below provided that you ensure that this notice is replicated
11  * unmodified and in its entirety in all distributions of the software,
12  * modified or unmodified, in source code or in binary form.
13  *
14  * Copyright (c) 2006 The Regents of The University of Michigan
15  * All rights reserved.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions are
19  * met: redistributions of source code must retain the above copyright
20  * notice, this list of conditions and the following disclaimer;
21  * redistributions in binary form must reproduce the above copyright
22  * notice, this list of conditions and the following disclaimer in the
23  * documentation and/or other materials provided with the distribution;
24  * neither the name of the copyright holders nor the names of its
25  * contributors may be used to endorse or promote products derived from
26  * this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39  *
40  * Authors: Ali Saidi
41  */
42 
43 #ifndef __BASE_COMPILER_HH__
44 #define __BASE_COMPILER_HH__
45 
46 // http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html
47 
48 #if defined(__GNUC__) // clang or gcc
49 # define M5_ATTR_NORETURN __attribute__((noreturn))
50 # define M5_DUMMY_RETURN
51 # define M5_VAR_USED __attribute__((unused))
52 # define M5_ATTR_PACKED __attribute__ ((__packed__))
53 # define M5_NO_INLINE __attribute__ ((__noinline__))
54 # define M5_DEPRECATED __attribute__((deprecated))
55 # define M5_DEPRECATED_MSG(MSG) __attribute__((deprecated(MSG)))
56 #endif
57 
58 #if defined(__clang__)
59 # define M5_CLASS_VAR_USED M5_VAR_USED
60 #else
61 # define M5_CLASS_VAR_USED
62 #endif
63 
64 #endif // __BASE_COMPILER_HH__

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