xref: /openbsd-src/gnu/llvm/compiler-rt/lib/ubsan/ubsan_init_standalone_preinit.cpp (revision 3cab2bb3f667058bece8e38b12449a63a9d73c4b)
1*3cab2bb3Spatrick //===-- ubsan_init_standalone_preinit.cpp --------------------------------===//
2*3cab2bb3Spatrick //
3*3cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*3cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information.
5*3cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*3cab2bb3Spatrick //
7*3cab2bb3Spatrick //===----------------------------------------------------------------------===//
8*3cab2bb3Spatrick //
9*3cab2bb3Spatrick // Initialization of standalone UBSan runtime.
10*3cab2bb3Spatrick //
11*3cab2bb3Spatrick //===----------------------------------------------------------------------===//
12*3cab2bb3Spatrick 
13*3cab2bb3Spatrick #include "ubsan_platform.h"
14*3cab2bb3Spatrick #if !CAN_SANITIZE_UB
15*3cab2bb3Spatrick #error "UBSan is not supported on this platform!"
16*3cab2bb3Spatrick #endif
17*3cab2bb3Spatrick 
18*3cab2bb3Spatrick #include "sanitizer_common/sanitizer_internal_defs.h"
19*3cab2bb3Spatrick #include "ubsan_init.h"
20*3cab2bb3Spatrick #include "ubsan_signals_standalone.h"
21*3cab2bb3Spatrick 
22*3cab2bb3Spatrick #if SANITIZER_CAN_USE_PREINIT_ARRAY
23*3cab2bb3Spatrick 
24*3cab2bb3Spatrick namespace __ubsan {
25*3cab2bb3Spatrick 
PreInitAsStandalone()26*3cab2bb3Spatrick static void PreInitAsStandalone() {
27*3cab2bb3Spatrick   InitAsStandalone();
28*3cab2bb3Spatrick   InitializeDeadlySignals();
29*3cab2bb3Spatrick }
30*3cab2bb3Spatrick 
31*3cab2bb3Spatrick } // namespace __ubsan
32*3cab2bb3Spatrick 
33*3cab2bb3Spatrick __attribute__((section(".preinit_array"), used)) void (*__local_ubsan_preinit)(
34*3cab2bb3Spatrick     void) = __ubsan::PreInitAsStandalone;
35*3cab2bb3Spatrick #endif // SANITIZER_CAN_USE_PREINIT_ARRAY
36