l4/pkg/uclibc/lib/contrib/uclibc/libc/sysdeps/linux/bfin/bits/syscalls.h

   1 #ifndef _BITS_SYSCALLS_H
   2 #define _BITS_SYSCALLS_H
   3 #ifndef _SYSCALL_H
   4 # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
   5 #endif
   6
   7 #ifndef __ASSEMBLER__
   8
   9 #define INTERNAL_SYSCALL_NCS(name, err, nr, args...)    \
  10 (__extension__ \
  11  ({                                                     \
  12         long __res;                                     \
  13         __asm__ __volatile__ (                          \
  14                 "excpt 0;\n\t"                          \
  15                 : "=q0" (__res)                         \
  16                 : "qA"  (name) ASMFMT_##nr(args)        \
  17                 : "memory","CC");                       \
  18         __res;                                          \
  19   }) \
  20 )
  21 #define ASMFMT_0()
  22
  23 #define ASMFMT_1(arg1) \
  24         , "q0" ((long)(arg1))
  25
  26 #define ASMFMT_2(arg1, arg2) \
  27         ASMFMT_1(arg1) \
  28         , "q1" ((long)(arg2))
  29
  30 #define ASMFMT_3(arg1, arg2, arg3) \
  31         ASMFMT_2(arg1, arg2) \
  32         , "q2" ((long)(arg3))
  33
  34 #define ASMFMT_4(arg1, arg2, arg3, arg4) \
  35         ASMFMT_3(arg1, arg2, arg3) \
  36         , "q3" ((long)(arg4))
  37
  38 #define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
  39         ASMFMT_4(arg1, arg2, arg3, arg4) \
  40         , "q4" ((long)(arg5))
  41
  42 #define ASMFMT_6(arg1, arg2, arg3, arg4, arg5, arg6) \
  43         ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
  44         , "q5" ((long)(arg6))
  45
  46 #endif /* __ASSEMBLER__ */
  47 #endif /* _BITS_SYSCALLS_H */