xref: /freebsd/contrib/llvm-project/compiler-rt/lib/ubsan/ubsan_init_standalone_preinit.cpp (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1 //===-- ubsan_init_standalone_preinit.cpp --------------------------------===//
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 // Initialization of standalone UBSan runtime.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "ubsan_platform.h"
14 #if !CAN_SANITIZE_UB
15 #error "UBSan is not supported on this platform!"
16 #endif
17 
18 #include "sanitizer_common/sanitizer_internal_defs.h"
19 #include "ubsan_init.h"
20 #include "ubsan_signals_standalone.h"
21 
22 #if SANITIZER_CAN_USE_PREINIT_ARRAY
23 
24 namespace __ubsan {
25 
26 static void PreInitAsStandalone() {
27   InitAsStandalone();
28   InitializeDeadlySignals();
29 }
30 
31 } // namespace __ubsan
32 
33 __attribute__((section(".preinit_array"), used)) void (*__local_ubsan_preinit)(
34     void) = __ubsan::PreInitAsStandalone;
35 #endif // SANITIZER_CAN_USE_PREINIT_ARRAY
36