SYS.h revision 1.9 1 /* $NetBSD: SYS.h,v 1.9 2002/05/26 11:48:03 wiz Exp $ */
2
3 #include <machine/asm.h>
4 #include <sys/syscall.h>
5
6 #define _DOSYSCALL(x) li 0,(SYS_ ## x) ;\
7 sc
8
9 #define _SYSCALL_NOERROR(x,y) .text ;\
10 .align 2 ;\
11 ENTRY(x) ;\
12 _DOSYSCALL(y)
13
14 #define _SYSCALL(x,y) .text ;\
15 .align 2 ;\
16 2: b PIC_PLT(_C_LABEL(__cerror));\
17 _SYSCALL_NOERROR(x,y) ;\
18 bso 2b
19
20 #define SYSCALL_NOERROR(x) _SYSCALL_NOERROR(x,x)
21
22 #define SYSCALL(x) _SYSCALL(x,x)
23
24 #define PSEUDO_NOERROR(x,y) _SYSCALL_NOERROR(x,y) ;\
25 blr
26
27 #define PSEUDO(x,y) _SYSCALL_NOERROR(x,y) ;\
28 bnslr ;\
29 b PIC_PLT(_C_LABEL(__cerror))
30
31 #define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x)
32
33 #define RSYSCALL(x) PSEUDO(x,x)
34
35 #define WSYSCALL(weak,strong) WEAK_ALIAS(weak,strong) ;\
36 PSEUDO(strong,weak)
37