[llvm] [BOLT][DWARF][NFC] Refactor GDB Index into a new file (PR #94405)

[Alexander Yermolovich via llvm-commits]

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@@ -0,0 +1,185 @@
+//===- bolt/Core/GDBIndex.cpp  - GDB Index support ------------------------===//
+//
+// 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 "bolt/Core/GDBIndex.h"
+
+using namespace llvm::bolt;
+using namespace llvm::support::endian;
+
+void GDBIndex::addGDBTypeUnitEntry(const GDBIndexTUEntry &&Entry) {
+  std::lock_guard<std::mutex> Lock(GDBIndexMutex);
+  if (!BC.getGdbIndexSection())
+    return;
+  GDBIndexTUEntryVector.emplace_back(Entry);
+}
+
+void GDBIndex::updateGdbIndexSection(
+    CUOffsetMap &CUMap, uint32_t NumCUs,
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ayermolo wrote:

Make NumCUs const.

Also fix formatting.

https://github.com/llvm/llvm-project/pull/94405