src/internal/powerpc64/syscall.s

   1         .global __syscall
   2         .hidden __syscall
   3         .type   __syscall,@function
   4 __syscall:
   5         mr      0, 3                  # Save the system call number
   6         mr      3, 4                  # Shift the arguments: arg1
   7         mr      4, 5                  # arg2
   8         mr      5, 6                  # arg3
   9         mr      6, 7                  # arg4
  10         mr      7, 8                  # arg5
  11         mr      8, 9                  # arg6
  12         sc
  13         bnslr+       # return if not summary overflow
  14         neg     3, 3 # otherwise error: return negated value.
  15         blr
  16         .end    __syscall
  17         .size   __syscall, .-__syscall