e1a5bb59b9
This change means that debugger support only needs to be linked in if it's used. The code size of debugger support is expected to increase as we improve it (e.g. pulling in DWARF parsing), so making it an optional extra is useful for controlling final binary sizes.
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
//===------ 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/DebuggerSupport.h"
|
|
#include "llvm/ExecutionEngine/Orc/DebugObjectManagerPlugin.h"
|
|
#include "llvm/ExecutionEngine/Orc/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), true, 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
|