cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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compiler.h (527B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) 2019  Arm Limited
      4 * Original author: Dave Martin <Dave.Martin@arm.com>
      5 */
      6
      7#ifndef COMPILER_H
      8#define COMPILER_H
      9
     10#define __always_unused __attribute__((__unused__))
     11#define __noreturn __attribute__((__noreturn__))
     12#define __unreachable() __builtin_unreachable()
     13
     14/* curse(e) has value e, but the compiler cannot assume so */
     15#define curse(e) ({				\
     16	__typeof__(e) __curse_e = (e);		\
     17	asm ("" : "+r" (__curse_e));		\
     18	__curse_e;				\
     19})
     20
     21#endif /* ! COMPILER_H */