diff options
| author | fvdl <fvdl@NetBSD.org> | 1995-02-28 23:24:35 +0000 |
|---|---|---|
| committer | fvdl <fvdl@NetBSD.org> | 1995-02-28 23:24:35 +0000 |
| commit | 3bf459f350dcbcf47afccba837f4466b132a98c8 (patch) | |
| tree | 282143a8f0ed1d8860e89324a32312964e0bd6e8 /sys/compat/linux/common/linux_util.h | |
| parent | 8bb0b6790c84a1e16ffa558fd110fb0d90cd0470 (diff) | |
Added Linux compat code.
Diffstat (limited to 'sys/compat/linux/common/linux_util.h')
| -rw-r--r-- | sys/compat/linux/common/linux_util.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/compat/linux/common/linux_util.h b/sys/compat/linux/common/linux_util.h new file mode 100644 index 00000000000..a720ddf476d --- /dev/null +++ b/sys/compat/linux/common/linux_util.h @@ -0,0 +1,75 @@ +/* $NetBSD: linux_util.h,v 1.1 1995/02/28 23:26:17 fvdl Exp $ */ + +/* + * Copyright (c) 1994 Christos Zoulas + * Copyright (c) 1995 Frank van der Linden + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp + */ + +/* + * This file is pretty much the same as Christos' svr4_util.h + * (for now). + */ + +#ifndef _LINUX_UTIL_H_ +#define _LINUX_UTIL_H_ + +#include <machine/vmparam.h> +#include <sys/exec.h> +#include <sys/cdefs.h> + +#define cvtto_linux_mask(flags,bmask,lmask) (((flags) & bmask) ? lmask : 0) +#define cvtto_bsd_mask(flags,lmask,bmask) (((flags) & lmask) ? bmask : 0) + +static __inline caddr_t +stackgap_init() +{ + extern char sigcode[], esigcode[]; +#define szsigcode ((caddr_t)(esigcode - sigcode)) + return STACKGAPBASE; +} + + +static __inline void * +stackgap_alloc(sgp, sz) + caddr_t *sgp; + size_t sz; +{ + void *p = (void *) *sgp; + *sgp += ALIGN(sz); + return p; +} + +extern const char linux_emul_path[]; + +int linux_emul_find __P((struct proc *, caddr_t *, const char *, char *, + char **)); + +#define CHECK_ALT(p, sgp, path) \ + linux_emul_find(p, sgp, linux_emul_path, path, &(path)) + +#endif /* !_LINUX_UTIL_H_ */ |
