1 /* $NetBSD: linux_syscall.c,v 1.3 2024/02/07 04:20:26 msaitoh Exp $ */ 2 3 /* 4 * Copyright (c) 2021 Ryo Shimizu 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: linux_syscall.c,v 1.3 2024/02/07 04:20:26 msaitoh Exp $"); 31 32 #if defined(_KERNEL_OPT) 33 #include "opt_compat_linux.h" 34 #endif 35 36 #include <compat/linux/linux_syscall.h> 37 #include <compat/linux/common/linux_errno.h> 38 39 #define EMULNAME(x) __CONCAT(linux_,x) 40 #define EMULNAMEU(x) __CONCAT(LINUX_,x) 41 42 43 /* 44 * syscall.c behavior options 45 */ 46 47 /* 48 * linux/arm64 always uses indirect syscall, and ignores code of 'svc #<code>'. 49 * The system call number is specified by the x8 register. 50 */ 51 #define SYSCALL_CODE_REG 8 52 #define SYSCALL_NO_INDIRECT 53 54 /* used when __HAVE_MINIMAL_EMUL is not defined */ 55 #define SYSCALL_EMUL_ERRNO(x) native_to_linux_errno[x] 56 57 /* don't update x1 register with rval[1] */ 58 #define SYSCALL_NO_RVAL1 59 60 #include "syscall.c" 61