1 //===-- interception_linux.h ------------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 // This file is a part of AddressSanitizer, an address sanity checker.
11 // Linux-specific interception methods.
12 //===----------------------------------------------------------------------===//
14 #if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \
15 SANITIZER_OPENBSD || SANITIZER_SOLARIS
17 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
18 # error "interception_linux.h should be included from interception library only"
21 #ifndef INTERCEPTION_LINUX_H
22 #define INTERCEPTION_LINUX_H
24 namespace __interception {
25 bool InterceptFunction(const char *name, uptr *ptr_to_real, uptr func,
27 bool InterceptFunction(const char *name, const char *ver, uptr *ptr_to_real,
28 uptr func, uptr wrapper);
29 } // namespace __interception
31 #define INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) \
32 ::__interception::InterceptFunction( \
34 (::__interception::uptr *) & REAL(func), \
35 (::__interception::uptr) & (func), \
36 (::__interception::uptr) & WRAP(func))
38 // Android, Solaris and OpenBSD do not have dlvsym
39 #if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
40 #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
41 ::__interception::InterceptFunction( \
43 (::__interception::uptr *) & REAL(func), \
44 (::__interception::uptr) & (func), \
45 (::__interception::uptr) & WRAP(func))
47 #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
48 INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)
49 #endif // !SANITIZER_ANDROID && !SANITIZER_SOLARIS
51 #endif // INTERCEPTION_LINUX_H
52 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
53 // SANITIZER_OPENBSD || SANITIZER_SOLARIS