xref: /freebsd/contrib/llvm-project/compiler-rt/lib/asan/asan_premap_shadow.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric //===-- asan_mapping.h ------------------------------------------*- C++ -*-===//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric //
9*0b57cec5SDimitry Andric // This file is a part of AddressSanitizer, an address sanity checker.
10*0b57cec5SDimitry Andric //
11*0b57cec5SDimitry Andric // Premap shadow range with an ifunc resolver.
12*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
13*0b57cec5SDimitry Andric 
14*0b57cec5SDimitry Andric 
15*0b57cec5SDimitry Andric #ifndef ASAN_PREMAP_SHADOW_H
16*0b57cec5SDimitry Andric #define ASAN_PREMAP_SHADOW_H
17*0b57cec5SDimitry Andric 
18*0b57cec5SDimitry Andric #if ASAN_PREMAP_SHADOW
19*0b57cec5SDimitry Andric namespace __asan {
20*0b57cec5SDimitry Andric // Conservative upper limit.
21*0b57cec5SDimitry Andric uptr PremapShadowSize();
22*0b57cec5SDimitry Andric bool PremapShadowFailed();
23*0b57cec5SDimitry Andric }
24*0b57cec5SDimitry Andric #endif
25*0b57cec5SDimitry Andric 
26*0b57cec5SDimitry Andric extern "C" INTERFACE_ATTRIBUTE void __asan_shadow();
27*0b57cec5SDimitry Andric extern "C" decltype(__asan_shadow)* __asan_premap_shadow();
28*0b57cec5SDimitry Andric 
29*0b57cec5SDimitry Andric #endif // ASAN_PREMAP_SHADOW_H
30