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authorfvdl <fvdl@NetBSD.org>1995-02-28 23:24:35 +0000
committerfvdl <fvdl@NetBSD.org>1995-02-28 23:24:35 +0000
commit3bf459f350dcbcf47afccba837f4466b132a98c8 (patch)
tree282143a8f0ed1d8860e89324a32312964e0bd6e8 /sys/compat/linux/common/linux_util.h
parent8bb0b6790c84a1e16ffa558fd110fb0d90cd0470 (diff)
Added Linux compat code.
Diffstat (limited to 'sys/compat/linux/common/linux_util.h')
-rw-r--r--sys/compat/linux/common/linux_util.h75
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_ */