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
  13 /*
  14  * "Conditional" syscalls
  15  *
  16  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
  17  * but it doesn't work on all toolchains, so we just do it by hand
  18  */
  19 #ifndef cond_syscall
  20 #ifdef CONFIG_SYMBOL_PREFIX
  21 #define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
  22 #else
  23 #define __SYMBOL_PREFIX
  24 #endif
  25 #define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
  26                             ".set\t" __SYMBOL_PREFIX #x "," \
  27                             __SYMBOL_PREFIX "sys_ni_syscall")
  28 #endif