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