1 files changed, 34 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/gwp_asan/optional/segv_handler.h b/contrib/llvm-project/compiler-rt/lib/gwp_asan/optional/segv_handler.h
new file mode 100644
index 000000000000..72105ded7d55
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+++ b/contrib/llvm-project/compiler-rt/lib/gwp_asan/optional/segv_handler.h
@@ -0,0 +1,34 @@
+//===-- segv_handler.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_
+#define GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_
+
+#include "gwp_asan/guarded_pool_allocator.h"
+#include "gwp_asan/optional/backtrace.h"
+#include "gwp_asan/optional/printf.h"
+
+namespace gwp_asan {
+namespace segv_handler {
+// Install the SIGSEGV crash handler for printing use-after-free and heap-
+// buffer-{under|over}flow exceptions if the user asked for it. This is platform
+// specific as even though POSIX and Windows both support registering handlers
+// through signal(), we have to use platform-specific signal handlers to obtain
+// the address that caused the SIGSEGV exception. GPA->init() must be called
+// before this function.
+void installSignalHandlers(gwp_asan::GuardedPoolAllocator *GPA, Printf_t Printf,
+                           gwp_asan::backtrace::PrintBacktrace_t PrintBacktrace,
+                           gwp_asan::backtrace::SegvBacktrace_t SegvBacktrace,
+                           bool Recoverable = false);
+
+// Uninistall the signal handlers, test-only.
+void uninstallSignalHandlers();
+} // namespace segv_handler
+} // namespace gwp_asan
+
+#endif // GWP_ASAN_OPTIONAL_SEGV_HANDLER_H_