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Diffstat (limited to 'compat/linux/h_linux.h')
| -rw-r--r-- | compat/linux/h_linux.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/compat/linux/h_linux.h b/compat/linux/h_linux.h new file mode 100644 index 000000000000..1b21fa6d39fc --- /dev/null +++ b/compat/linux/h_linux.h @@ -0,0 +1,76 @@ +/* $NetBSD: h_linux.h,v 1.2 2023/08/23 20:05:05 rillig Exp $ */ + +/*- + * Copyright (c) 2023 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Theodore Preduta. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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. + */ +#ifndef SRC_TESTS_COMPAT_LINUX_H_LINUX_H_ +#define SRC_TESTS_COMPAT_LINUX_H_LINUX_H_ + +#include <sys/types.h> /* For register_t. */ + +#define FAIL (-1) + +#define syscall(number, ...) syscall6(number, ## __VA_ARGS__, \ + 0, 0, 0, 0, 0, 0) + +#define RS(x) do { if ((x) == -1) exit(errno); } while (0) +#define REQUIRE(x) do { if (!(x)) exit(FAIL); } while (0) + +/* Convenience wrappers for common syscalls. */ +#define close(fd) (int)syscall(LINUX_SYS_close, fd) +#define exit(status) (void)syscall(LINUX_SYS_exit_group, status) +#define fcntl(fd, cmd, ...) (int)syscall(LINUX_SYS_fcntl, fd, cmd, \ + ## __VA_ARGS__) +#define lseek(fd, off, whence) (off_t)syscall(LINUX_SYS_lseek, fd, \ + (register_t)off, whence) +#define mkdir(path, mode) (int)syscall(LINUX_SYS_mkdir, \ + (register_t)path, mode) +#define open(path, flags, ...) (int)syscall(LINUX_SYS_open, \ + (register_t)path, flags, \ + ## __VA_ARGS__) +#define read(fd, buf, count) (ssize_t)syscall(LINUX_SYS_read, fd, \ + (register_t)buf, count) +#define rename(from, to) (int)syscall(LINUX_SYS___posix_rename, \ + (register_t)from, (register_t)to) +#define rmdir(path) (int)syscall(LINUX_SYS_rmdir, \ + (register_t)path) +#define unlink(path) (int)syscall(LINUX_SYS_unlink, \ + (register_t)path) +#define write(fd, buf, count) (ssize_t)syscall(LINUX_SYS_write, fd, \ + (register_t)buf, count) + +/* GCC builtins. */ +#define strcmp(s1, s2) __builtin_strcmp(s1, s2) +#define strlen(s) __builtin_strlen(s) + +long syscall6(long number, register_t, register_t, register_t, register_t, + register_t, register_t, ...); + +extern int errno; + +#endif /* !SRC_TESTS_COMPAT_LINUX_H_LINUX_H_ */ |