1 files changed, 0 insertions, 80 deletions
diff --git a/llvm/lib/ExecutionEngine/Orc/TPCEHFrameRegistrar.cpp b/llvm/lib/ExecutionEngine/Orc/TPCEHFrameRegistrar.cpp
deleted file mode 100644
index 4f901ce6d445..000000000000
--- a/llvm/lib/ExecutionEngine/Orc/TPCEHFrameRegistrar.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-//===------ TPCEHFrameRegistrar.cpp - TPC-based eh-frame 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/TPCEHFrameRegistrar.h"
-#include "llvm/Support/BinaryStreamWriter.h"
-
-namespace llvm {
-namespace orc {
-
-Expected<std::unique_ptr<TPCEHFrameRegistrar>>
-TPCEHFrameRegistrar::Create(TargetProcessControl &TPC) {
-  // FIXME: Proper mangling here -- we really need to decouple linker mangling
-  // from DataLayout.
-
-  // Find the addresses of the registration/deregistration functions in the
-  // target process.
-  auto ProcessHandle = TPC.loadDylib(nullptr);
-  if (!ProcessHandle)
-    return ProcessHandle.takeError();
-
-  std::string RegisterWrapperName, DeregisterWrapperName;
-  if (TPC.getTargetTriple().isOSBinFormatMachO()) {
-    RegisterWrapperName += '_';
-    DeregisterWrapperName += '_';
-  }
-  RegisterWrapperName += "llvm_orc_registerEHFrameSectionWrapper";
-  DeregisterWrapperName += "llvm_orc_deregisterEHFrameSectionWrapper";
-
-  SymbolLookupSet RegistrationSymbols;
-  RegistrationSymbols.add(TPC.intern(RegisterWrapperName));
-  RegistrationSymbols.add(TPC.intern(DeregisterWrapperName));
-
-  auto Result = TPC.lookupSymbols({{*ProcessHandle, RegistrationSymbols}});
-  if (!Result)
-    return Result.takeError();
-
-  assert(Result->size() == 1 && "Unexpected number of dylibs in result");
-  assert((*Result)[0].size() == 2 &&
-         "Unexpected number of addresses in result");
-
-  auto RegisterEHFrameWrapperFnAddr = (*Result)[0][0];
-  auto DeregisterEHFrameWrapperFnAddr = (*Result)[0][1];
-
-  return std::make_unique<TPCEHFrameRegistrar>(
-      TPC, RegisterEHFrameWrapperFnAddr, DeregisterEHFrameWrapperFnAddr);
-}
-
-Error TPCEHFrameRegistrar::registerEHFrames(JITTargetAddress EHFrameSectionAddr,
-                                            size_t EHFrameSectionSize) {
-  constexpr size_t ArgBufferSize = sizeof(uint64_t) + sizeof(uint64_t);
-  uint8_t ArgBuffer[ArgBufferSize];
-  BinaryStreamWriter ArgWriter(
-      MutableArrayRef<uint8_t>(ArgBuffer, ArgBufferSize),
-      support::endianness::big);
-  cantFail(ArgWriter.writeInteger(static_cast<uint64_t>(EHFrameSectionAddr)));
-  cantFail(ArgWriter.writeInteger(static_cast<uint64_t>(EHFrameSectionSize)));
-
-  return TPC.runWrapper(RegisterEHFrameWrapperFnAddr, ArgBuffer).takeError();
-}
-
-Error TPCEHFrameRegistrar::deregisterEHFrames(
-    JITTargetAddress EHFrameSectionAddr, size_t EHFrameSectionSize) {
-  constexpr size_t ArgBufferSize = sizeof(uint64_t) + sizeof(uint64_t);
-  uint8_t ArgBuffer[ArgBufferSize];
-  BinaryStreamWriter ArgWriter(
-      MutableArrayRef<uint8_t>(ArgBuffer, ArgBufferSize),
-      support::endianness::big);
-  cantFail(ArgWriter.writeInteger(static_cast<uint64_t>(EHFrameSectionAddr)));
-  cantFail(ArgWriter.writeInteger(static_cast<uint64_t>(EHFrameSectionSize)));
-
-  return TPC.runWrapper(DeregisterEHFrameWrapperFnAddr, ArgBuffer).takeError();
-}
-
-} // end namespace orc
-} // end namespace llvm