Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/tools/lli/RemoteJITUtils.h

@@ -1,152 +0,0 @@
-//===-- RemoteJITUtils.h - Utilities for remote-JITing with LLI -*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Utilities for remote-JITing with LLI.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TOOLS_LLI_REMOTEJITUTILS_H
-#define LLVM_TOOLS_LLI_REMOTEJITUTILS_H
-
-#include "llvm/ExecutionEngine/Orc/RawByteChannel.h"
-#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
-#include <mutex>
-
-#if !defined(_MSC_VER) && !defined(__MINGW32__)
-#include <unistd.h>
-#else
-#include <io.h>
-#endif
-
-/// RPC channel that reads from and writes from file descriptors.
-class FDRawChannel final : public llvm::orc::rpc::RawByteChannel {
-public:
-  FDRawChannel(int InFD, int OutFD) : InFD(InFD), OutFD(OutFD) {}
-
-  llvm::Error readBytes(char *Dst, unsigned Size) override {
-    assert(Dst && "Attempt to read into null.");
-    ssize_t Completed = 0;
-    while (Completed < static_cast<ssize_t>(Size)) {
-      ssize_t Read = ::read(InFD, Dst + Completed, Size - Completed);
-      if (Read <= 0) {
-        auto ErrNo = errno;
-        if (ErrNo == EAGAIN || ErrNo == EINTR)
-          continue;
-        else
-          return llvm::errorCodeToError(
-                   std::error_code(errno, std::generic_category()));
-      }
-      Completed += Read;
-    }
-    return llvm::Error::success();
-  }
-
-  llvm::Error appendBytes(const char *Src, unsigned Size) override {
-    assert(Src && "Attempt to append from null.");
-    ssize_t Completed = 0;
-    while (Completed < static_cast<ssize_t>(Size)) {
-      ssize_t Written = ::write(OutFD, Src + Completed, Size - Completed);
-      if (Written < 0) {
-        auto ErrNo = errno;
-        if (ErrNo == EAGAIN || ErrNo == EINTR)
-          continue;
-        else
-          return llvm::errorCodeToError(
-                   std::error_code(errno, std::generic_category()));
-      }
-      Completed += Written;
-    }
-    return llvm::Error::success();
-  }
-
-  llvm::Error send() override { return llvm::Error::success(); }
-
-private:
-  int InFD, OutFD;
-};
-
-// launch the remote process (see lli.cpp) and return a channel to it.
-std::unique_ptr<FDRawChannel> launchRemote();
-
-namespace llvm {
-
-// ForwardingMM - Adapter to connect MCJIT to Orc's Remote8
-// memory manager.
-class ForwardingMemoryManager : public llvm::RTDyldMemoryManager {
-public:
-  void setMemMgr(std::unique_ptr<RuntimeDyld::MemoryManager> MemMgr) {
-    this->MemMgr = std::move(MemMgr);
-  }
-
-  void setResolver(std::shared_ptr<JITSymbolResolver> Resolver) {
-    this->Resolver = std::move(Resolver);
-  }
-
-  uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
-                               unsigned SectionID,
-                               StringRef SectionName) override {
-    return MemMgr->allocateCodeSection(Size, Alignment, SectionID, SectionName);
-  }
-
-  uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
-                               unsigned SectionID, StringRef SectionName,
-                               bool IsReadOnly) override {
-    return MemMgr->allocateDataSection(Size, Alignment, SectionID, SectionName,
-                                       IsReadOnly);
-  }
-
-  void reserveAllocationSpace(uintptr_t CodeSize, uint32_t CodeAlign,
-                              uintptr_t RODataSize, uint32_t RODataAlign,
-                              uintptr_t RWDataSize,
-                              uint32_t RWDataAlign) override {
-    MemMgr->reserveAllocationSpace(CodeSize, CodeAlign, RODataSize, RODataAlign,
-                                   RWDataSize, RWDataAlign);
-  }
-
-  bool needsToReserveAllocationSpace() override {
-    return MemMgr->needsToReserveAllocationSpace();
-  }
-
-  void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr,
-                        size_t Size) override {
-    MemMgr->registerEHFrames(Addr, LoadAddr, Size);
-  }
-
-  void deregisterEHFrames() override {
-    MemMgr->deregisterEHFrames();
-  }
-
-  bool finalizeMemory(std::string *ErrMsg = nullptr) override {
-    return MemMgr->finalizeMemory(ErrMsg);
-  }
-
-  void notifyObjectLoaded(RuntimeDyld &RTDyld,
-                          const object::ObjectFile &Obj) override {
-    MemMgr->notifyObjectLoaded(RTDyld, Obj);
-  }
-
-  // Don't hide the sibling notifyObjectLoaded from RTDyldMemoryManager.
-  using RTDyldMemoryManager::notifyObjectLoaded;
-
-  JITSymbol findSymbol(const std::string &Name) override {
-    return Resolver->findSymbol(Name);
-  }
-
-  JITSymbol
-  findSymbolInLogicalDylib(const std::string &Name) override {
-    return Resolver->findSymbolInLogicalDylib(Name);
-  }
-
-private:
-  std::unique_ptr<RuntimeDyld::MemoryManager> MemMgr;
-  std::shared_ptr<JITSymbolResolver> Resolver;
-};
-}
-
-#endif