add powerpc64 port
[musl] / 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