44 lines
925 B
C
44 lines
925 B
C
|
/* $NetBSD: SYS.h,v 1.2 2010/03/22 02:17:23 mrg Exp $ */
|
||
|
|
|
||
|
|
#include <machine/asm.h>
|
||
|
|
#include <sys/syscall.h>
|
||
|
|
|
||
|
|
#ifdef __STDC__
|
||
|
|
#define _DOSYSCALL(x) li %r0,(SYS_ ## x) ;\
|
||
|
|
sc
|
||
|
|
#else
|
||
|
|
#define _DOSYSCALL(x) li %r0,(SYS_/**/x) ;\
|
||
|
|
sc
|
||
|
|
#endif /* __STDC__ */
|
||
|
|
|
||
|
|
#define _SYSCALL_NOERROR(x,y) .text ;\
|
||
|
|
.align 2 ;\
|
||
|
|
ENTRY(x) ;\
|
||
|
|
_DOSYSCALL(y)
|
||
|
|
|
||
|
|
#define _SYSCALL(x,y) .text ;\
|
||
|
|
.align 2 ;\
|
||
|
|
2: b PIC_PLT(_C_LABEL(__cerror));\
|
||
|
|
nop ;\
|
||
|
|
_SYSCALL_NOERROR(x,y) ;\
|
||
|
|
bso 2b
|
||
|
|
|
||
|
|
#define SYSCALL_NOERROR(x) _SYSCALL_NOERROR(x,x)
|
||
|
|
|
||
|
|
#define SYSCALL(x) _SYSCALL(x,x)
|
||
|
|
|
||
|
|
#define PSEUDO_NOERROR(x,y) _SYSCALL_NOERROR(x,y) ;\
|
||
|
|
blr
|
||
|
|
|
||
|
|
#define PSEUDO(x,y) _SYSCALL_NOERROR(x,y) ;\
|
||
|
|
bnslr ;\
|
||
|
|
b PIC_PLT(_C_LABEL(__cerror));\
|
||
|
|
nop
|
||
|
|
|
||
|
|
#define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x)
|
||
|
|
|
||
|
|
#define RSYSCALL(x) PSEUDO(x,x)
|
||
|
|
|
||
|
|
#define WSYSCALL(weak,strong) WEAK_ALIAS(weak,strong) ;\
|
||
|
|
PSEUDO(strong,weak)
|