xref: /freebsd/contrib/llvm-project/compiler-rt/lib/xray/xray_defs.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 //===-- xray_defs.h ---------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Common definitions useful for XRay sources.
10 //
11 //===----------------------------------------------------------------------===//
12 #ifndef XRAY_XRAY_DEFS_H
13 #define XRAY_XRAY_DEFS_H
14 
15 #if XRAY_SUPPORTED
16 #define XRAY_NEVER_INSTRUMENT __attribute__((xray_never_instrument))
17 #else
18 #define XRAY_NEVER_INSTRUMENT
19 #endif
20 
21 #if SANITIZER_NETBSD
22 // NetBSD: thread_local is not aligned properly, and the code relying
23 // on it segfaults
24 #define XRAY_TLS_ALIGNAS(x)
25 #define XRAY_HAS_TLS_ALIGNAS 0
26 #else
27 #define XRAY_TLS_ALIGNAS(x) alignas(x)
28 #define XRAY_HAS_TLS_ALIGNAS 1
29 #endif
30 
31 #endif  // XRAY_XRAY_DEFS_H
32