syscalls/arch_prctl.c

   1 /* (x86-64 only)
   2  *  long sys_arch_prctl(int code, unsigned long addr)
   3  *
   4  * On success, arch_prctl() returns 0
   5  * On error, -1 is returned, and errno is set to indicate the error.
   6  */
   7
   8 #if defined(__i386__) || defined (__x86_64__)
   9
  10 #include "sanitise.h"
  11 #include <asm/prctl.h>
  12 #include <sys/prctl.h>
  13
  14 struct syscallentry syscall_arch_prctl = {
  15         .name = "arch_prctl",
  16         .flags = AVOID_SYSCALL,
  17         .num_args = 2,
  18         .arg1name = "code",
  19         .arg1type = ARG_OP,
  20         .arg1list = {
  21                 .num = 4,
  22                 .values = { ARCH_SET_FS, ARCH_GET_FS, ARCH_SET_GS, ARCH_GET_GS },
  23         },
  24         .arg2name = "addr",
  25         .arg2type = ARG_ADDRESS,
  26         .rettype = RET_BORING,
  27 };
  28 #endif