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//===----- EPCDebugObjectRegistrar.cpp - EPC-based debug registration -----===//
//
// 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/EPCDebugObjectRegistrar.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/ExecutionEngine/Orc/Shared/SimplePackedSerialization.h"
#include "llvm/ExecutionEngine/Orc/TargetProcess/JITLoaderGDB.h"
#include "llvm/Support/BinaryStreamWriter.h"
namespace llvm {
namespace orc {
Expected<std::unique_ptr<EPCDebugObjectRegistrar>>
createJITLoaderGDBRegistrar(ExecutionSession &ES) {
auto &EPC = ES.getExecutorProcessControl();
auto ProcessHandle = EPC.loadDylib(nullptr);
if (!ProcessHandle)
return ProcessHandle.takeError();
SymbolStringPtr RegisterFn =
EPC.getTargetTriple().isOSBinFormatMachO()
? EPC.intern("_llvm_orc_registerJITLoaderGDBWrapper")
: EPC.intern("llvm_orc_registerJITLoaderGDBWrapper");
SymbolLookupSet RegistrationSymbols;
RegistrationSymbols.add(RegisterFn);
auto Result = EPC.lookupSymbols({{*ProcessHandle, RegistrationSymbols}});
if (!Result)
return Result.takeError();
assert(Result->size() == 1 && "Unexpected number of dylibs in result");
assert((*Result)[0].size() == 1 &&
"Unexpected number of addresses in result");
return std::make_unique<EPCDebugObjectRegistrar>(ES, (*Result)[0][0]);
}
Error EPCDebugObjectRegistrar::registerDebugObject(sys::MemoryBlock TargetMem) {
return ES.callSPSWrapper<void(SPSExecutorAddress, uint64_t)>(
RegisterFn, ExecutorAddress::fromPtr(TargetMem.base()),
static_cast<uint64_t>(TargetMem.allocatedSize()));
}
} // namespace orc
} // namespace llvm
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