llvm/compiler-rt/lib/hwasan/hwasan_exceptions.cpp

//===-- hwasan_exceptions.cpp ---------------------------------------------===//
//
// 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 HWAddressSanitizer.
//
// HWAddressSanitizer runtime.
//===----------------------------------------------------------------------===//

#include "hwasan_poisoning.h"
#include "sanitizer_common/sanitizer_common.h"

#include <unwind.h>

usingnamespace__hwasan;
usingnamespace__sanitizer;

PersonalityFn;

// Pointers to the _Unwind_GetGR and _Unwind_GetCFA functions are passed in
// instead of being called directly. This is to handle cases where the unwinder
// is statically linked and the sanitizer runtime and the program are linked
// against different unwinders. The _Unwind_Context data structure is opaque so
// it may be incompatible between unwinders.
GetGRFn;
GetCFAFn;

extern "C" SANITIZER_INTERFACE_ATTRIBUTE _Unwind_Reason_Code
__hwasan_personality_wrapper(int version, _Unwind_Action actions,
                             uint64_t exception_class,
                             _Unwind_Exception* unwind_exception,
                             _Unwind_Context* context,
                             PersonalityFn* real_personality, GetGRFn* get_gr,
                             GetCFAFn* get_cfa) { … }