45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
//===----- TPCDebugObjectRegistrar.cpp - TPC-based debug registration -----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/TPCDebugObjectRegistrar.h"
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#include "llvm/ExecutionEngine/Orc/Core.h"
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#include "llvm/ExecutionEngine/Orc/TargetProcess/JITLoaderGDB.h"
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#include "llvm/Support/BinaryStreamWriter.h"
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namespace llvm {
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namespace orc {
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Expected<std::unique_ptr<TPCDebugObjectRegistrar>>
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createJITLoaderGDBRegistrar(TargetProcessControl &TPC) {
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auto ProcessHandle = TPC.loadDylib(nullptr);
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if (!ProcessHandle)
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return ProcessHandle.takeError();
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SymbolStringPtr RegisterFn =
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TPC.getTargetTriple().isOSBinFormatMachO()
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? TPC.intern("_llvm_orc_registerJITLoaderGDBWrapper")
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: TPC.intern("llvm_orc_registerJITLoaderGDBWrapper");
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SymbolLookupSet RegistrationSymbols;
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RegistrationSymbols.add(RegisterFn);
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auto Result = TPC.lookupSymbols({{*ProcessHandle, RegistrationSymbols}});
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if (!Result)
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return Result.takeError();
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assert(Result->size() == 1 && "Unexpected number of dylibs in result");
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assert((*Result)[0].size() == 1 &&
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"Unexpected number of addresses in result");
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return std::make_unique<TPCDebugObjectRegistrar>(TPC, (*Result)[0][0]);
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}
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} // namespace orc
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} // namespace llvm
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