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//===-- interception_linux.h ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \
SANITIZER_SOLARIS
#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
# error "interception_linux.h should be included from interception library only"
#endif
#ifndef INTERCEPTION_LINUX_H
#define INTERCEPTION_LINUX_H
namespace __interception {
bool InterceptFunction(const char *name, uptr *ptr_to_real, uptr func,
uptr wrapper);
bool InterceptFunction(const char *name, const char *ver, uptr *ptr_to_real,
uptr func, uptr wrapper);
} // namespace __interception
#define INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) \
::__interception::InterceptFunction( \
#func, \
(::__interception::uptr *) & REAL(func), \
(::__interception::uptr) & (func), \
(::__interception::uptr) & WRAP(func))
// dlvsym is a GNU extension supported by some other platforms.
#if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD
#define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
::__interception::InterceptFunction( \
#func, symver, \
(::__interception::uptr *) & REAL(func), \
(::__interception::uptr) & (func), \
(::__interception::uptr) & WRAP(func))
#else
#define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)
#endif // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD
#endif // INTERCEPTION_LINUX_H
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
// SANITIZER_SOLARIS
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