forked from OSchip/llvm-project
34 lines
1.4 KiB
C++
34 lines
1.4 KiB
C++
//===-- segv_handler.h ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_
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#define GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_
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#include "gwp_asan/guarded_pool_allocator.h"
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#include "gwp_asan/optional/backtrace.h"
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#include "gwp_asan/optional/printf.h"
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namespace gwp_asan {
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namespace segv_handler {
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// Install the SIGSEGV crash handler for printing use-after-free and heap-
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// buffer-{under|over}flow exceptions if the user asked for it. This is platform
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// specific as even though POSIX and Windows both support registering handlers
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// through signal(), we have to use platform-specific signal handlers to obtain
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// the address that caused the SIGSEGV exception. GPA->init() must be called
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// before this function.
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void installSignalHandlers(gwp_asan::GuardedPoolAllocator *GPA, Printf_t Printf,
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gwp_asan::backtrace::PrintBacktrace_t PrintBacktrace,
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gwp_asan::backtrace::SegvBacktrace_t SegvBacktrace);
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// Uninistall the signal handlers, test-only.
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void uninstallSignalHandlers();
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} // namespace segv_handler
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} // namespace gwp_asan
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#endif // GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_
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