xref: /freebsd/contrib/llvm-project/compiler-rt/lib/asan/asan_premap_shadow.h (revision f7c32ed617858bcd22f8d1b03199099d50125721)
1 //===-- asan_mapping.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 // This file is a part of AddressSanitizer, an address sanity checker.
10 //
11 // Premap shadow range with an ifunc resolver.
12 //===----------------------------------------------------------------------===//
13 
14 
15 #ifndef ASAN_PREMAP_SHADOW_H
16 #define ASAN_PREMAP_SHADOW_H
17 
18 #if ASAN_PREMAP_SHADOW
19 namespace __asan {
20 // Conservative upper limit.
21 uptr PremapShadowSize();
22 bool PremapShadowFailed();
23 }
24 #endif
25 
26 extern "C" INTERFACE_ATTRIBUTE void __asan_shadow();
27 extern "C" decltype(__asan_shadow)* __asan_premap_shadow();
28 
29 #endif // ASAN_PREMAP_SHADOW_H
30