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74 lines
2.5 KiB
74 lines
2.5 KiB
/* libunwind - a platform-independent unwind library |
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Copyright (C) 2001-2005 Hewlett-Packard Co |
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Copyright (C) 2007 David Mosberger-Tang |
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Contributed by David Mosberger-Tang <dmosberger@gmail.com> |
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This file is part of libunwind. |
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Permission is hereby granted, free of charge, to any person obtaining |
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a copy of this software and associated documentation files (the |
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"Software"), to deal in the Software without restriction, including |
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without limitation the rights to use, copy, modify, merge, publish, |
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distribute, sublicense, and/or sell copies of the Software, and to |
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permit persons to whom the Software is furnished to do so, subject to |
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the following conditions: |
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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/* Compiler specific useful bits that are used in libunwind, and also in the |
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* tests. */ |
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#ifndef COMPILER_H |
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#define COMPILER_H |
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#ifdef __GNUC__ |
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# define ALIGNED(x) __attribute__((aligned(x))) |
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# define CONST_ATTR __attribute__((__const__)) |
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# define UNUSED __attribute__((unused)) |
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# define NOINLINE __attribute__((noinline)) |
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# define NORETURN __attribute__((noreturn)) |
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# define ALIAS(name) __attribute__((alias (#name))) |
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# if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) |
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# define ALWAYS_INLINE inline __attribute__((always_inline)) |
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# define HIDDEN __attribute__((visibility ("hidden"))) |
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# define PROTECTED __attribute__((visibility ("protected"))) |
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# else |
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# define ALWAYS_INLINE |
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# define HIDDEN |
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# define PROTECTED |
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# endif |
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# define WEAK __attribute__((weak)) |
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# if (__GNUC__ >= 3) |
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# define likely(x) __builtin_expect ((x), 1) |
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# define unlikely(x) __builtin_expect ((x), 0) |
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# else |
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# define likely(x) (x) |
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# define unlikely(x) (x) |
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# endif |
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#else |
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# define ALIGNED(x) |
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# define ALWAYS_INLINE |
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# define CONST_ATTR |
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# define UNUSED |
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# define NOINLINE |
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# define NORETURN |
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# define ALIAS(name) |
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# define HIDDEN |
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# define PROTECTED |
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# define WEAK |
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# define likely(x) (x) |
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# define unlikely(x) (x) |
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#endif |
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#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0])) |
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#endif /* COMPILER_H */
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