1994-10-26 08:27:43 +03:00
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/* $NetBSD: svr4_util.h,v 1.2 1994/10/26 05:28:05 cgd Exp $ */
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1994-10-24 20:37:34 +03:00
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/*
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* Copyright (c) 1994 Christos Zoulas
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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1994-10-26 08:27:43 +03:00
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1994-10-24 20:37:34 +03:00
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#ifndef _SVR4_UTIL_H_
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#define _SVR4_UTIL_H_
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#include <machine/vmparam.h>
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#include <sys/exec.h>
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static __inline void
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stackgap_init()
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{
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extern char sigcode[], esigcode[];
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#define szsigcode (esigcode - sigcode)
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extern caddr_t svr4_edata;
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svr4_edata = (caddr_t) STACKGAPBASE;
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}
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static __inline void *
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stackgap_alloc(sz)
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size_t sz;
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{
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extern caddr_t svr4_edata;
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void *p = (void *) svr4_edata;
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svr4_edata += ALIGN(sz);
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return p;
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}
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#ifdef DEBUG_SVR4
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# define DPRINTF(a) printf a;
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#else
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# define DPRINTF(a)
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#endif
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extern const char svr4_emul_path[];
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int svr4_emul_find __P((struct proc *, int, const char *,
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char *, char **));
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#define CHECKALT(p, path) \
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svr4_emul_find(p, UIO_USERSPACE, svr4_emul_path, (path), &(path))
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#endif /* !_SVR4_UTIL_H_ */
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