1 //===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Generic implementations of internal_syscall and internal_iserror. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #if SANITIZER_FREEBSD || SANITIZER_MAC 15 # define SYSCALL(name) SYS_ ## name 16 #else 17 # define SYSCALL(name) __NR_ ## name 18 #endif 19 20 #if (SANITIZER_FREEBSD || SANITIZER_MAC) && defined(__x86_64__) 21 # define internal_syscall __syscall 22 # else 23 # define internal_syscall syscall 24 #endif 25 26 bool internal_iserror(uptr retval, int *rverrno) { 27 if (retval == (uptr)-1) { 28 if (rverrno) 29 *rverrno = errno; 30 return true; 31 } else { 32 return false; 33 } 34 } 35
