| 1 | //===------ DebuggerSupport.cpp - Utils for enabling debugger support -----===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupport.h" |
| 10 | #include "llvm/ExecutionEngine/Orc/DebugObjectManagerPlugin.h" |
| 11 | #include "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupportPlugin.h" |
| 12 | #include "llvm/ExecutionEngine/Orc/LLJIT.h" |
| 13 | |
| 14 | #define DEBUG_TYPE "orc" |
| 15 | |
| 16 | using namespace llvm; |
| 17 | using namespace llvm::orc; |
| 18 | |
| 19 | namespace llvm::orc { |
| 20 | |
| 21 | Error enableDebuggerSupport(LLJIT &J) { |
| 22 | auto *ObjLinkingLayer = dyn_cast<ObjectLinkingLayer>(Val: &J.getObjLinkingLayer()); |
| 23 | if (!ObjLinkingLayer) |
| 24 | return make_error<StringError>(Args: "Cannot enable LLJIT debugger support: " |
| 25 | "Debugger support requires JITLink", |
| 26 | Args: inconvertibleErrorCode()); |
| 27 | auto ProcessSymsJD = J.getProcessSymbolsJITDylib(); |
| 28 | if (!ProcessSymsJD) |
| 29 | return make_error<StringError>(Args: "Cannot enable LLJIT debugger support: " |
| 30 | "Process symbols are not available", |
| 31 | Args: inconvertibleErrorCode()); |
| 32 | |
| 33 | auto &ES = J.getExecutionSession(); |
| 34 | const auto &TT = J.getTargetTriple(); |
| 35 | |
| 36 | switch (TT.getObjectFormat()) { |
| 37 | case Triple::ELF: { |
| 38 | auto Registrar = createJITLoaderGDBRegistrar(ES); |
| 39 | if (!Registrar) |
| 40 | return Registrar.takeError(); |
| 41 | ObjLinkingLayer->addPlugin(P: std::make_unique<DebugObjectManagerPlugin>( |
| 42 | args&: ES, args: std::move(*Registrar), args: false, args: true)); |
| 43 | return Error::success(); |
| 44 | } |
| 45 | case Triple::MachO: { |
| 46 | auto DS = GDBJITDebugInfoRegistrationPlugin::Create(ES, ProcessJD&: *ProcessSymsJD, TT); |
| 47 | if (!DS) |
| 48 | return DS.takeError(); |
| 49 | ObjLinkingLayer->addPlugin(P: std::move(*DS)); |
| 50 | return Error::success(); |
| 51 | } |
| 52 | default: |
| 53 | return make_error<StringError>( |
| 54 | Args: "Cannot enable LLJIT debugger support: "+ |
| 55 | Triple::getObjectFormatTypeName(ObjectFormat: TT.getObjectFormat()) + |
| 56 | " is not supported", |
| 57 | Args: inconvertibleErrorCode()); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | } // namespace llvm::orc |
| 62 |