lib/libc/arch/ia64/SYS.h

   1 /* $NetBSD: SYS.h,v 1.1 2006/09/10 21:22:33 cherry Exp $ */
   2
   3 /*
   4  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 #include <sys/cdefs.h>
  31
  32 #include <machine/asm.h>
  33 #include <sys/syscall.h>
  34
  35 #define RET { br.ret.sptk.few rp;; }
  36
  37 #define CALLSYS_ERROR(name)                                     \
  38         CALLSYS_NOERROR(name)                                   \
  39 {       cmp.ne  p6,p0=r0,r10;                                   \
  40 (p6)    br.cond.sptk.few __cerror ;; }
  41
  42 #define SYSCALL(name)                                           \
  43 ENTRY(name,0);                          /* XXX # of args? */    \
  44         CALLSYS_ERROR(name)
  45
  46 #define SYSCALL_NOERROR(name)                                   \
  47 ENTRY(name,0);                          /* XXX # of args? */    \
  48         CALLSYS_NOERROR(name)
  49
  50 #define PSEUDO(label,name)                                      \
  51 ENTRY(label,0);                         /* XXX # of args? */    \
  52         CALLSYS_ERROR(name);                                    \
  53         RET;                                                    \
  54 END(label);
  55
  56 #define PSEUDO_NOERROR(label,name)                              \
  57 ENTRY(label,0);                         /* XXX # of args? */    \
  58         CALLSYS_NOERROR(name);                                  \
  59         RET;                                                    \
  60 END(label);
  61
  62 #define RSYSCALL(name)                                          \
  63         SYSCALL(name);                                          \
  64         RET;                                                    \
  65 END(name)
  66
  67 #define RSYSCALL_NOERROR(name)                                  \
  68         SYSCALL_NOERROR(name);                                  \
  69         RET;                                                    \
  70 END(name)
  71
  72 #define WSYSCALL(weak,strong)                                   \
  73         WEAK_ALIAS(weak,strong);                                \
  74         PSEUDO(strong,weak)