Share logic to load dynamic libraries between SourceKit plugins and macro plugins

include/swift/Basic/LoadDynamicLibrary.h

@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SWIFT_BASIC_LOADDYNAMICLIBRARY_H
+#define SWIFT_BASIC_LOADDYNAMICLIBRARY_H
+
+#include <string>
+
+namespace swift {
+void *loadLibrary(const char *path, std::string *err);
+void *getAddressOfSymbol(void *handle, const char *symbol);
+} // end namespace swift
+
+#endif // SWIFT_BASIC_LOADDYNAMICLIBRARY_H