1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/Debugging/DebuggerSupport.cpp b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/Debugging/DebuggerSupport.cpp
new file mode 100644
index 000000000000..1668473c0eb4
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/Debugging/DebuggerSupport.cpp
@@ -0,0 +1,61 @@
+//===------ DebuggerSupport.cpp - Utils for enabling debugger 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 "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupport.h"
+#include "llvm/ExecutionEngine/Orc/DebugObjectManagerPlugin.h"
+#include "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupportPlugin.h"
+#include "llvm/ExecutionEngine/Orc/LLJIT.h"
+
+#define DEBUG_TYPE "orc"
+
+using namespace llvm;
+using namespace llvm::orc;
+
+namespace llvm::orc {
+
+Error enableDebuggerSupport(LLJIT &J) {
+  auto *ObjLinkingLayer = dyn_cast<ObjectLinkingLayer>(&J.getObjLinkingLayer());
+  if (!ObjLinkingLayer)
+    return make_error<StringError>("Cannot enable LLJIT debugger support: "
+                                   "Debugger support requires JITLink",
+                                   inconvertibleErrorCode());
+  auto ProcessSymsJD = J.getProcessSymbolsJITDylib();
+  if (!ProcessSymsJD)
+    return make_error<StringError>("Cannot enable LLJIT debugger support: "
+                                   "Process symbols are not available",
+                                   inconvertibleErrorCode());
+
+  auto &ES = J.getExecutionSession();
+  const auto &TT = J.getTargetTriple();
+
+  switch (TT.getObjectFormat()) {
+  case Triple::ELF: {
+    auto Registrar = createJITLoaderGDBRegistrar(ES);
+    if (!Registrar)
+      return Registrar.takeError();
+    ObjLinkingLayer->addPlugin(std::make_unique<DebugObjectManagerPlugin>(
+        ES, std::move(*Registrar), false, true));
+    return Error::success();
+  }
+  case Triple::MachO: {
+    auto DS = GDBJITDebugInfoRegistrationPlugin::Create(ES, *ProcessSymsJD, TT);
+    if (!DS)
+      return DS.takeError();
+    ObjLinkingLayer->addPlugin(std::move(*DS));
+    return Error::success();
+  }
+  default:
+    return make_error<StringError>(
+        "Cannot enable LLJIT debugger support: " +
+            Triple::getObjectFormatTypeName(TT.getObjectFormat()) +
+            " is not supported",
+        inconvertibleErrorCode());
+  }
+}
+
+} // namespace llvm::orc