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Diffstat (limited to 'compiler-rt/lib/interception/interception_linux.h')
-rw-r--r-- | compiler-rt/lib/interception/interception_linux.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/compiler-rt/lib/interception/interception_linux.h b/compiler-rt/lib/interception/interception_linux.h new file mode 100644 index 000000000000..e578da0cf64e --- /dev/null +++ b/compiler-rt/lib/interception/interception_linux.h @@ -0,0 +1,53 @@ +//===-- 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_OPENBSD || 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)) + +// Android, Solaris and OpenBSD do not have dlvsym +#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD +#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_ANDROID && !SANITIZER_SOLARIS + +#endif // INTERCEPTION_LINUX_H +#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || + // SANITIZER_OPENBSD || SANITIZER_SOLARIS |