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Diffstat (limited to 'include/pt_compiler.h')
| -rw-r--r-- | include/pt_compiler.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/pt_compiler.h b/include/pt_compiler.h new file mode 100644 index 000000000000..611703f25928 --- /dev/null +++ b/include/pt_compiler.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2017-2018, Intel Corporation + * + * 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 Intel Corporation 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. + */ + +#ifndef PT_COMPILER_H +#define PT_COMPILER_H + + +/* Both the relevant Clang and GCC versions support this. */ +#if !defined(__has_attribute) +# define __has_attribute(attr) 0 +#endif + +#if !defined(fallthrough) +# if (__has_attribute(fallthrough)) +# define fallthrough __attribute__((fallthrough)) +# else +# define fallthrough /* Fall through. */ +# endif +#endif /* !defined(fallthrough) */ + + +#endif /* PT_COMPILER_H */ |