arch/x86_64/syscall_arch.h

   1 #define __SYSCALL_LL_E(x) (x)
   2 #define __SYSCALL_LL_O(x) (x)
   3
   4 static __inline long __syscall0(long n)
   5 {
   6         unsigned long ret;
   7         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n) : "rcx", "r11", "memory");
   8         return ret;
   9 }
  10
  11 static __inline long __syscall1(long n, long a1)
  12 {
  13         unsigned long ret;
  14         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1) : "rcx", "r11", "memory");
  15         return ret;
  16 }
  17
  18 static __inline long __syscall2(long n, long a1, long a2)
  19 {
  20         unsigned long ret;
  21         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2)
  22                                                   : "rcx", "r11", "memory");
  23         return ret;
  24 }
  25
  26 static __inline long __syscall3(long n, long a1, long a2, long a3)
  27 {
  28         unsigned long ret;
  29         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
  30                                                   "d"(a3) : "rcx", "r11", "memory");
  31         return ret;
  32 }
  33
  34 static __inline long __syscall4(long n, long a1, long a2, long a3, long a4)
  35 {
  36         unsigned long ret;
  37         register long r10 __asm__("r10") = a4;
  38         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
  39                                                   "d"(a3), "r"(r10): "rcx", "r11", "memory");
  40         return ret;
  41 }
  42
  43 static __inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5)
  44 {
  45         unsigned long ret;
  46         register long r10 __asm__("r10") = a4;
  47         register long r8 __asm__("r8") = a5;
  48         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
  49                                                   "d"(a3), "r"(r10), "r"(r8) : "rcx", "r11", "memory");
  50         return ret;
  51 }
  52
  53 static __inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6)
  54 {
  55         unsigned long ret;
  56         register long r10 __asm__("r10") = a4;
  57         register long r8 __asm__("r8") = a5;
  58         register long r9 __asm__("r9") = a6;
  59         __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
  60                                                   "d"(a3), "r"(r10), "r"(r8), "r"(r9) : "rcx", "r11", "memory");
  61         return ret;
  62 }
  63
  64 #define VDSO_USEFUL
  65 #define VDSO_CGT_SYM "__vdso_clock_gettime"
  66 #define VDSO_CGT_VER "LINUX_2.6"
  67 #define VDSO_GETCPU_SYM "__vdso_getcpu"
  68 #define VDSO_GETCPU_VER "LINUX_2.6"