mirror of
https://github.com/RPCS3/llvm-mirror.git
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cf3fe0c756
Moves all headers from Orc/RPC to Orc/Shared, and from the llvm::orc::rpc namespace into llvm::orc::shared. Also renames RPCTypeName to SerializationTypeName and Function to RPCFunction. In addition to being a more reasonable home for this code, this will make it easier for the upcoming Orc runtime to re-use the Serialization system for creating and parsing wrapper-function binary blobs.
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
//===-- RemoteJITUtils.h - Utilities for remote-JITing with LLI -*- C++ -*-===//
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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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//
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// Utilities for remote-JITing with LLI.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLI_REMOTEJITUTILS_H
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#define LLVM_TOOLS_LLI_REMOTEJITUTILS_H
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#include "llvm/ExecutionEngine/Orc/Shared/FDRawByteChannel.h"
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#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
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#include <mutex>
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#if !defined(_MSC_VER) && !defined(__MINGW32__)
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#include <unistd.h>
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#else
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#include <io.h>
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#endif
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// launch the remote process (see lli.cpp) and return a channel to it.
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std::unique_ptr<llvm::orc::shared::FDRawByteChannel> launchRemote();
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namespace llvm {
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// ForwardingMM - Adapter to connect MCJIT to Orc's Remote
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// memory manager.
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class ForwardingMemoryManager : public llvm::RTDyldMemoryManager {
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public:
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void setMemMgr(std::unique_ptr<RuntimeDyld::MemoryManager> MemMgr) {
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this->MemMgr = std::move(MemMgr);
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}
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void setResolver(std::shared_ptr<LegacyJITSymbolResolver> Resolver) {
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this->Resolver = std::move(Resolver);
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}
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uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
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unsigned SectionID,
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StringRef SectionName) override {
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return MemMgr->allocateCodeSection(Size, Alignment, SectionID, SectionName);
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}
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uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
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unsigned SectionID, StringRef SectionName,
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bool IsReadOnly) override {
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return MemMgr->allocateDataSection(Size, Alignment, SectionID, SectionName,
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IsReadOnly);
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}
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void reserveAllocationSpace(uintptr_t CodeSize, uint32_t CodeAlign,
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uintptr_t RODataSize, uint32_t RODataAlign,
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uintptr_t RWDataSize,
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uint32_t RWDataAlign) override {
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MemMgr->reserveAllocationSpace(CodeSize, CodeAlign, RODataSize, RODataAlign,
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RWDataSize, RWDataAlign);
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}
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bool needsToReserveAllocationSpace() override {
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return MemMgr->needsToReserveAllocationSpace();
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}
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void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr,
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size_t Size) override {
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MemMgr->registerEHFrames(Addr, LoadAddr, Size);
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}
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void deregisterEHFrames() override {
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MemMgr->deregisterEHFrames();
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}
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bool finalizeMemory(std::string *ErrMsg = nullptr) override {
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return MemMgr->finalizeMemory(ErrMsg);
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}
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void notifyObjectLoaded(RuntimeDyld &RTDyld,
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const object::ObjectFile &Obj) override {
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MemMgr->notifyObjectLoaded(RTDyld, Obj);
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}
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// Don't hide the sibling notifyObjectLoaded from RTDyldMemoryManager.
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using RTDyldMemoryManager::notifyObjectLoaded;
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JITSymbol findSymbol(const std::string &Name) override {
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return Resolver->findSymbol(Name);
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}
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JITSymbol
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findSymbolInLogicalDylib(const std::string &Name) override {
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return Resolver->findSymbolInLogicalDylib(Name);
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}
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private:
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std::unique_ptr<RuntimeDyld::MemoryManager> MemMgr;
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std::shared_ptr<LegacyJITSymbolResolver> Resolver;
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};
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template <typename RemoteT>
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class RemoteResolver : public LegacyJITSymbolResolver {
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public:
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RemoteResolver(RemoteT &R) : R(R) {}
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JITSymbol findSymbol(const std::string &Name) override {
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if (auto Addr = R.getSymbolAddress(Name))
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return JITSymbol(*Addr, JITSymbolFlags::Exported);
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else
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return Addr.takeError();
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}
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JITSymbol findSymbolInLogicalDylib(const std::string &Name) override {
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return nullptr;
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}
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public:
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RemoteT &R;
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};
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}
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#endif
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