10b57cec5SDimitry Andric//===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===// 20b57cec5SDimitry Andric// 30b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric// 70b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric// 90b57cec5SDimitry Andric// Generic implementations of internal_syscall* and internal_iserror. 100b57cec5SDimitry Andric// 110b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric// NetBSD uses libc calls directly 140b57cec5SDimitry Andric#if !SANITIZER_NETBSD 150b57cec5SDimitry Andric 16*81ad6265SDimitry Andric#if SANITIZER_FREEBSD || SANITIZER_APPLE || SANITIZER_SOLARIS 170b57cec5SDimitry Andric# define SYSCALL(name) SYS_ ## name 180b57cec5SDimitry Andric#else 190b57cec5SDimitry Andric# define SYSCALL(name) __NR_ ## name 200b57cec5SDimitry Andric#endif 210b57cec5SDimitry Andric 22*81ad6265SDimitry Andric#if (defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_APPLE)) || \ 23*81ad6265SDimitry Andric (defined(__aarch64__) && SANITIZER_FREEBSD) 240b57cec5SDimitry Andric# define internal_syscall __syscall 250b57cec5SDimitry Andric# else 260b57cec5SDimitry Andric# define internal_syscall syscall 270b57cec5SDimitry Andric#endif 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric#endif 300b57cec5SDimitry Andric 310b57cec5SDimitry Andricbool internal_iserror(uptr retval, int *rverrno) { 320b57cec5SDimitry Andric if (retval == (uptr)-1) { 330b57cec5SDimitry Andric if (rverrno) 340b57cec5SDimitry Andric *rverrno = errno; 350b57cec5SDimitry Andric return true; 360b57cec5SDimitry Andric } else { 370b57cec5SDimitry Andric return false; 380b57cec5SDimitry Andric } 390b57cec5SDimitry Andric} 40