1 files changed, 31 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/CrashReason.cpp b/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/CrashReason.cpp
new file mode 100644
index 000000000000..d93b7cd0ce56
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/Process/POSIX/CrashReason.cpp
@@ -0,0 +1,31 @@
+//===-- CrashReason.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
+//
+//===----------------------------------------------------------------------===//
+
+#include "CrashReason.h"
+
+#include "lldb/Target/UnixSignals.h"
+
+std::string GetCrashReasonString(const siginfo_t &info) {
+#if defined(si_lower) && defined(si_upper)
+  std::optional<lldb::addr_t> lower =
+      reinterpret_cast<lldb::addr_t>(info.si_lower);
+  std::optional<lldb::addr_t> upper =
+      reinterpret_cast<lldb::addr_t>(info.si_upper);
+#else
+  std::optional<lldb::addr_t> lower;
+  std::optional<lldb::addr_t> upper;
+#endif
+
+  std::string description =
+      lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+          info.si_signo, info.si_code,
+          reinterpret_cast<uintptr_t>(info.si_addr), lower, upper);
+  assert(description.size() && "unexpected signal");
+
+  return "signal " + description;
+}