10b57cec5SDimitry Andric //===-- interception_linux.h ------------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file is a part of AddressSanitizer, an address sanity checker. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric // Linux-specific interception methods. 120b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \ 15*e8d8bef9SDimitry Andric SANITIZER_SOLARIS 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric #if !defined(INCLUDED_FROM_INTERCEPTION_LIB) 180b57cec5SDimitry Andric # error "interception_linux.h should be included from interception library only" 190b57cec5SDimitry Andric #endif 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric #ifndef INTERCEPTION_LINUX_H 220b57cec5SDimitry Andric #define INTERCEPTION_LINUX_H 230b57cec5SDimitry Andric 240b57cec5SDimitry Andric namespace __interception { 250b57cec5SDimitry Andric bool InterceptFunction(const char *name, uptr *ptr_to_real, uptr func, 260b57cec5SDimitry Andric uptr wrapper); 270b57cec5SDimitry Andric bool InterceptFunction(const char *name, const char *ver, uptr *ptr_to_real, 280b57cec5SDimitry Andric uptr func, uptr wrapper); 290b57cec5SDimitry Andric } // namespace __interception 300b57cec5SDimitry Andric 310b57cec5SDimitry Andric #define INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) \ 320b57cec5SDimitry Andric ::__interception::InterceptFunction( \ 330b57cec5SDimitry Andric #func, \ 340b57cec5SDimitry Andric (::__interception::uptr *) & REAL(func), \ 350b57cec5SDimitry Andric (::__interception::uptr) & (func), \ 360b57cec5SDimitry Andric (::__interception::uptr) & WRAP(func)) 370b57cec5SDimitry Andric 38*e8d8bef9SDimitry Andric // dlvsym is a GNU extension supported by some other platforms. 39*e8d8bef9SDimitry Andric #if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD 400b57cec5SDimitry Andric #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \ 410b57cec5SDimitry Andric ::__interception::InterceptFunction( \ 420b57cec5SDimitry Andric #func, symver, \ 430b57cec5SDimitry Andric (::__interception::uptr *) & REAL(func), \ 440b57cec5SDimitry Andric (::__interception::uptr) & (func), \ 450b57cec5SDimitry Andric (::__interception::uptr) & WRAP(func)) 460b57cec5SDimitry Andric #else 470b57cec5SDimitry Andric #define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \ 480b57cec5SDimitry Andric INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) 49*e8d8bef9SDimitry Andric #endif // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD 500b57cec5SDimitry Andric 510b57cec5SDimitry Andric #endif // INTERCEPTION_LINUX_H 520b57cec5SDimitry Andric #endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || 53*e8d8bef9SDimitry Andric // SANITIZER_SOLARIS 54