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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atmapi.h (952B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/* atmapi.h - ATM API user space/kernel compatibility */
      3 
      4/* Written 1999,2000 by Werner Almesberger, EPFL ICA */
      5 
      6
      7#ifndef _LINUX_ATMAPI_H
      8#define _LINUX_ATMAPI_H
      9
     10#if defined(__sparc__) || defined(__ia64__)
     11/* such alignment is not required on 32 bit sparcs, but we can't
     12   figure that we are on a sparc64 while compiling user-space programs. */
     13#define __ATM_API_ALIGN	__attribute__((aligned(8)))
     14#else
     15#define __ATM_API_ALIGN
     16#endif
     17
     18
     19/*
     20 * Opaque type for kernel pointers. Note that _ is never accessed. We need
     21 * the struct in order hide the array, so that we can make simple assignments
     22 * instead of being forced to use memcpy. It also improves error reporting for
     23 * code that still assumes that we're passing unsigned longs.
     24 *
     25 * Convention: NULL pointers are passed as a field of all zeroes.
     26 */
     27 
     28typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t;
     29
     30#endif