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Diffstat (limited to 'include/compiler.h')
-rw-r--r-- | include/compiler.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h new file mode 100644 index 0000000..c1557d8 --- /dev/null +++ b/include/compiler.h @@ -0,0 +1,50 @@ +/* Copyright 2013-2014 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __COMPILER_H +#define __COMPILER_H + +#ifndef __ASSEMBLY__ + +#include <stddef.h> + +/* Macros for various compiler bits and pieces */ +#define __packed __attribute__((packed)) +#define __align(x) __attribute__((__aligned__(x))) +#define __unused __attribute__((unused)) +#define __used __attribute__((used)) +#define __section(x) __attribute__((__section__(x))) +#define __noreturn __attribute__((noreturn)) +/* not __const as this has a different meaning (const) */ +#define __attrconst __attribute__((const)) + +#if 0 /* Provided by gcc stddef.h */ +#define offsetof(type,m) __builtin_offsetof(type,m) +#endif + +/* Compiler barrier */ +static inline void barrier(void) +{ + asm volatile("" : : : "memory"); +} + +#endif /* __ASSEMBLY__ */ + +/* Stringification macro */ +#define __tostr(x) #x +#define tostr(x) __tostr(x) + +#endif /* __COMPILER_H */ |