94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//===---- llvm-jitlink.h - Session and format-specific decls ----*- 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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// llvm-jitlink Session class and tool utilities.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_JITLINK_LLVM_JITLINK_H
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#define LLVM_TOOLS_LLVM_JITLINK_LLVM_JITLINK_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/ExecutionEngine/Orc/Core.h"
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#include "llvm/ExecutionEngine/Orc/ExecutorProcessControl.h"
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#include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
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#include "llvm/ExecutionEngine/Orc/SimpleRemoteEPC.h"
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#include "llvm/ExecutionEngine/RuntimeDyldChecker.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/Support/raw_ostream.h"
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#include <vector>
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namespace llvm {
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struct Session;
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struct Session {
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orc::ExecutionSession ES;
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orc::JITDylib *MainJD = nullptr;
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orc::ObjectLinkingLayer ObjLayer;
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orc::JITDylibSearchOrder JDSearchOrder;
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~Session();
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static Expected<std::unique_ptr<Session>> Create(Triple TT);
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void dumpSessionInfo(raw_ostream &OS);
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void modifyPassConfig(const Triple &FTT,
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jitlink::PassConfiguration &PassConfig);
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using MemoryRegionInfo = RuntimeDyldChecker::MemoryRegionInfo;
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struct FileInfo {
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StringMap<MemoryRegionInfo> SectionInfos;
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StringMap<MemoryRegionInfo> StubInfos;
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StringMap<MemoryRegionInfo> GOTEntryInfos;
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};
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using SymbolInfoMap = StringMap<MemoryRegionInfo>;
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using FileInfoMap = StringMap<FileInfo>;
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Expected<FileInfo &> findFileInfo(StringRef FileName);
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Expected<MemoryRegionInfo &> findSectionInfo(StringRef FileName,
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StringRef SectionName);
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Expected<MemoryRegionInfo &> findStubInfo(StringRef FileName,
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StringRef TargetName);
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Expected<MemoryRegionInfo &> findGOTEntryInfo(StringRef FileName,
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StringRef TargetName);
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bool isSymbolRegistered(StringRef Name);
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Expected<MemoryRegionInfo &> findSymbolInfo(StringRef SymbolName,
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Twine ErrorMsgStem);
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SymbolInfoMap SymbolInfos;
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FileInfoMap FileInfos;
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uint64_t SizeBeforePruning = 0;
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uint64_t SizeAfterFixups = 0;
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StringSet<> HarnessFiles;
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StringSet<> HarnessExternals;
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StringSet<> HarnessDefinitions;
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DenseMap<StringRef, StringRef> CanonicalWeakDefs;
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private:
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Session(std::unique_ptr<orc::ExecutorProcessControl> EPC, Error &Err);
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};
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/// Record symbols, GOT entries, stubs, and sections for ELF file.
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Error registerELFGraphInfo(Session &S, jitlink::LinkGraph &G);
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/// Record symbols, GOT entries, stubs, and sections for MachO file.
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Error registerMachOGraphInfo(Session &S, jitlink::LinkGraph &G);
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} // end namespace llvm
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#endif // LLVM_TOOLS_LLVM_JITLINK_LLVM_JITLINK_H
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