include/asm-generic/unistd.h

   1 #include <uapi/asm-generic/unistd.h>
   2
   3 /*
   4  * These are required system calls, we should
   5  * invert the logic eventually and let them
   6  * be selected by default.
   7  */
   8 #if __BITS_PER_LONG == 32
   9 #define __ARCH_WANT_STAT64
  10 #define __ARCH_WANT_SYS_LLSEEK
  11 #endif
  12 #define __ARCH_WANT_SYS_RT_SIGACTION
  13 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
  14 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
  15
  16 /*
  17  * "Conditional" syscalls
  18  *
  19  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
  20  * but it doesn't work on all toolchains, so we just do it by hand
  21  */
  22 #ifndef cond_syscall
  23 #ifdef CONFIG_SYMBOL_PREFIX
  24 #define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
  25 #else
  26 #define __SYMBOL_PREFIX
  27 #endif
  28 #define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
  29                             ".set\t" __SYMBOL_PREFIX #x "," \
  30                             __SYMBOL_PREFIX "sys_ni_syscall")
  31 #endif