1/*	$NetBSD: h_linux.h,v 1.2 2023/08/23 20:05:05 rillig Exp $	*/
2
3/*-
4 * Copyright (c) 2023 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Theodore Preduta.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#ifndef	SRC_TESTS_COMPAT_LINUX_H_LINUX_H_
32#define	SRC_TESTS_COMPAT_LINUX_H_LINUX_H_
33
34#include <sys/types.h>	/* For register_t. */
35
36#define	FAIL			(-1)
37
38#define	syscall(number, ...)	syscall6(number, ## __VA_ARGS__, \
39				    0, 0, 0, 0, 0, 0)
40
41#define	RS(x)			do { if ((x) == -1) exit(errno); } while (0)
42#define	REQUIRE(x)		do { if (!(x)) exit(FAIL); } while (0)
43
44/* Convenience wrappers for common syscalls. */
45#define	close(fd)		(int)syscall(LINUX_SYS_close, fd)
46#define	exit(status)		(void)syscall(LINUX_SYS_exit_group, status)
47#define	fcntl(fd, cmd, ...)	(int)syscall(LINUX_SYS_fcntl, fd, cmd, \
48			            ## __VA_ARGS__)
49#define	lseek(fd, off, whence)	(off_t)syscall(LINUX_SYS_lseek, fd, \
50				    (register_t)off, whence)
51#define	mkdir(path, mode)	(int)syscall(LINUX_SYS_mkdir, \
52				    (register_t)path, mode)
53#define	open(path, flags, ...)	(int)syscall(LINUX_SYS_open, \
54				    (register_t)path, flags, \
55				    ## __VA_ARGS__)
56#define	read(fd, buf, count)	(ssize_t)syscall(LINUX_SYS_read, fd, \
57				    (register_t)buf, count)
58#define	rename(from, to)	(int)syscall(LINUX_SYS___posix_rename, \
59				    (register_t)from, (register_t)to)
60#define	rmdir(path)		(int)syscall(LINUX_SYS_rmdir, \
61				    (register_t)path)
62#define	unlink(path)		(int)syscall(LINUX_SYS_unlink, \
63				    (register_t)path)
64#define	write(fd, buf, count)	(ssize_t)syscall(LINUX_SYS_write, fd, \
65				    (register_t)buf, count)
66
67/* GCC builtins. */
68#define	strcmp(s1, s2)		__builtin_strcmp(s1, s2)
69#define	strlen(s)		__builtin_strlen(s)
70
71long	syscall6(long number, register_t, register_t, register_t, register_t,
72	    register_t, register_t, ...);
73
74extern int errno;
75
76#endif /* !SRC_TESTS_COMPAT_LINUX_H_LINUX_H_ */
77