xref: /netbsd-src/sys/external/bsd/compiler_rt/dist/lib/xray/xray_defs.h (revision a7c257b03e4462df2b1020128fb82716512d7856)
1 //===-- xray_defs.h ---------------------------------------------*- 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 // Common definitions useful for XRay sources.
11 //
12 //===----------------------------------------------------------------------===//
13 #ifndef XRAY_XRAY_DEFS_H
14 #define XRAY_XRAY_DEFS_H
15 
16 #if XRAY_SUPPORTED
17 #define XRAY_NEVER_INSTRUMENT __attribute__((xray_never_instrument))
18 #else
19 #define XRAY_NEVER_INSTRUMENT
20 #endif
21 
22 #if SANITIZER_NETBSD
23 // NetBSD: thread_local is not aligned properly, and the code relying
24 // on it segfaults
25 #define XRAY_TLS_ALIGNAS(x)
26 #define XRAY_HAS_TLS_ALIGNAS 0
27 #else
28 #define XRAY_TLS_ALIGNAS(x) alignas(x)
29 #define XRAY_HAS_TLS_ALIGNAS 1
30 #endif
31 
32 #endif  // XRAY_XRAY_DEFS_H
33