linux-headers/asm-x86/unistd.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_X86_UNISTD_H
   3 #define _ASM_X86_UNISTD_H
   4
   5 /*
   6  * x32 syscall flag bit.  Some user programs expect syscall NR macros
   7  * and __X32_SYSCALL_BIT to have type int, even though syscall numbers
   8  * are, for practical purposes, unsigned long.
   9  *
  10  * Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right
  11  * thing regardless.
  12  */
  13 #define __X32_SYSCALL_BIT       0x40000000
  14
  15 # ifdef __i386__
  16 #  include <asm/unistd_32.h>
  17 # elif defined(__ILP32__)
  18 #  include <asm/unistd_x32.h>
  19 # else
  20 #  include <asm/unistd_64.h>
  21 # endif
  22
  23 #endif /* _ASM_X86_UNISTD_H */