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1//===-- segv_handler.h ------------------------------------------*- C++ -*-===//2//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_10#define GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_11 12#include "gwp_asan/guarded_pool_allocator.h"13#include "gwp_asan/optional/backtrace.h"14#include "gwp_asan/optional/printf.h"15 16namespace gwp_asan {17namespace segv_handler {18// Install the SIGSEGV crash handler for printing use-after-free and heap-19// buffer-{under|over}flow exceptions if the user asked for it. This is platform20// specific as even though POSIX and Windows both support registering handlers21// through signal(), we have to use platform-specific signal handlers to obtain22// the address that caused the SIGSEGV exception. GPA->init() must be called23// before this function.24void installSignalHandlers(gwp_asan::GuardedPoolAllocator *GPA, Printf_t Printf,25 gwp_asan::backtrace::PrintBacktrace_t PrintBacktrace,26 gwp_asan::backtrace::SegvBacktrace_t SegvBacktrace,27 bool Recoverable = false);28 29// Uninistall the signal handlers, test-only.30void uninstallSignalHandlers();31} // namespace segv_handler32} // namespace gwp_asan33 34#endif // GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_35