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Merge lldb trunk r366426, resolve conflicts, and update FREEBSD-Xlist.
[FreeBSD/FreeBSD.git] / contrib / compiler-rt / lib / sanitizer_common / sanitizer_syscall_generic.inc
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 // NetBSD uses libc calls directly
15 #if !SANITIZER_NETBSD
16
17 #if SANITIZER_FREEBSD || SANITIZER_MAC || SANITIZER_OPENBSD || SANITIZER_SOLARIS
18 # define SYSCALL(name) SYS_ ## name
19 #else
20 # define SYSCALL(name) __NR_ ## name
21 #endif
22
23 #if defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_MAC)
24 # define internal_syscall __syscall
25 # else
26 # define internal_syscall syscall
27 #endif
28
29 #endif
30
31 bool internal_iserror(uptr retval, int *rverrno) {
32   if (retval == (uptr)-1) {
33     if (rverrno)
34       *rverrno = errno;
35     return true;
36   } else {
37     return false;
38   }
39 }