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include/compiler: add helpers for offset-based addressing

This commit is contained in:
Philippe Gerum 2019-11-18 15:43:20 +01:00
parent 309948a52e
commit 43807a1793
1 changed files with 4 additions and 0 deletions
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include/evl/compiler.h
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@ -7,6 +7,7 @@
#ifndef _EVL_COMPILER_H
#define _EVL_COMPILER_H
#include <sys/types.h>
#include <stddef.h>
#include <limits.h>
@ -89,4 +90,7 @@
#define compiler_barrier() __asm__ __volatile__("": : :"memory")
#define __memoff(__base, __addr) ((uintptr_t)((caddr_t)(__addr) - (caddr_t)(__base)))
#define __memptr(__base, __off) ((void *)((caddr_t)(__base) + (__off)))
#endif /* _EVL_COMPILER_H */