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- /* Never include this file directly. Include <linux/compiler.h> instead. */
- /*
- * Common definitions for all gcc versions go here.
- */
- /* Optimization barrier */
- /* The "volatile" is due to gcc bugs */
- #define barrier() __asm__ __volatile__("": : :"memory")
- /* This macro obfuscates arithmetic on a variable address so that gcc
- shouldn't recognize the original var, and make assumptions about it */
- #define RELOC_HIDE(ptr, off) \
- ({ unsigned long __ptr; \
- __asm__ ("" : "=g"(__ptr) : "0"(ptr)); \
- (typeof(ptr)) (__ptr + (off)); })
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