SYS.h revision 1.10 1 /* $NetBSD: SYS.h,v 1.10 2002/05/26 12:24:57 wiz Exp $ */
2
3 #include <machine/asm.h>
4 #include <sys/syscall.h>
5
6 #ifdef __STDC__
7 #define _DOSYSCALL(x) li 0,(SYS_ ## x) ;\
8 sc
9 #else
10 #define _DOSYSCALL(x) li 0,(SYS_/**/x) ;\
11 sc
12 #endif /* __STDC__ */
13
14 #define _SYSCALL_NOERROR(x,y) .text ;\
15 .align 2 ;\
16 ENTRY(x) ;\
17 _DOSYSCALL(y)
18
19 #define _SYSCALL(x,y) .text ;\
20 .align 2 ;\
21 2: b PIC_PLT(_C_LABEL(__cerror));\
22 _SYSCALL_NOERROR(x,y) ;\
23 bso 2b
24
25 #define SYSCALL_NOERROR(x) _SYSCALL_NOERROR(x,x)
26
27 #define SYSCALL(x) _SYSCALL(x,x)
28
29 #define PSEUDO_NOERROR(x,y) _SYSCALL_NOERROR(x,y) ;\
30 blr
31
32 #define PSEUDO(x,y) _SYSCALL_NOERROR(x,y) ;\
33 bnslr ;\
34 b PIC_PLT(_C_LABEL(__cerror))
35
36 #define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x)
37
38 #define RSYSCALL(x) PSEUDO(x,x)
39
40 #define WSYSCALL(weak,strong) WEAK_ALIAS(weak,strong) ;\
41 PSEUDO(strong,weak)
42