77 lines
2 KiB
C
77 lines
2 KiB
C
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/* $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:55 thorpej Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <machine/asm.h>
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#include <sys/syscall.h>
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#define CALLSYS_ERROR(name) \
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CALLSYS_NOERROR(name); \
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br gp, LLABEL(name,0); \
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LLABEL(name,0): \
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LDGP(gp); \
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beq a3, LLABEL(name,1); \
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jmp zero, __cerror; \
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LLABEL(name,1):
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#define SYSCALL(name) \
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LEAF(name,0); /* XXX # of args? */ \
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CALLSYS_ERROR(name)
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#define SYSCALL_NOERROR(name) \
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LEAF(name,0); /* XXX # of args? */ \
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CALLSYS_NOERROR(name)
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#define PSEUDO(label,name) \
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LEAF(label,0); /* XXX # of args? */ \
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CALLSYS_ERROR(name); \
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RET; \
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END(label);
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#define PSEUDO_NOERROR(label,name) \
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LEAF(label,0); /* XXX # of args? */ \
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CALLSYS_NOERROR(name); \
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RET; \
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END(label);
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#define RSYSCALL(name) \
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SYSCALL(name); \
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RET; \
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END(name)
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#define RSYSCALL_NOERROR(name) \
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SYSCALL_NOERROR(name); \
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RET; \
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END(name)
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#define WSYSCALL(weak,strong) \
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WEAK_ALIAS(weak,strong); \
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PSEUDO(strong,weak)
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