diff options
Diffstat (limited to 'lib/libc/alpha/SYS.h')
-rw-r--r-- | lib/libc/alpha/SYS.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/libc/alpha/SYS.h b/lib/libc/alpha/SYS.h new file mode 100644 index 0000000..76daf5a --- /dev/null +++ b/lib/libc/alpha/SYS.h @@ -0,0 +1,78 @@ +/* $Id$ */ +/* From: NetBSD: SYS.h,v 1.5 1997/05/02 18:15:15 kleink Exp */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <machine/asm.h> +#include <sys/netbsd_syscall.h> + + +#define CALLSYS_ERROR(name) \ + CALLSYS_NOERROR(name); \ + br gp, LLABEL(name,0); \ +LLABEL(name,0): \ + LDGP(gp); \ + beq a3, LLABEL(name,1); \ + jmp zero, cerror; \ +LLABEL(name,1): + + +#define SYSCALL(name) \ +LEAF(name,0); /* XXX # of args? */ \ + CALLSYS_ERROR(name) + +#define SYSCALL_NOERROR(name) \ +LEAF(name,0); /* XXX # of args? */ \ + CALLSYS_NOERROR(name) + + +#define RSYSCALL(name) \ + SYSCALL(name); \ + RET; \ +END(name) + +#define RSYSCALL_NOERROR(name) \ + SYSCALL_NOERROR(name); \ + RET; \ +END(name) + + +#define PSEUDO(label,name) \ +LEAF(label,0); /* XXX # of args? */ \ + CALLSYS_ERROR(name); \ + RET; \ +END(label); + +#define PSEUDO_NOERROR(label,name) \ +LEAF(label,0); /* XXX # of args? */ \ + CALLSYS_NOERROR(name); \ + RET; \ +END(label); + +#define PRSYSCALL(x) RSYSCALL(x) +#define PPSEUDO(x,y) PSEUDO(x,y) |