llvm/llvm/lib/ExecutionEngine/JITLink/ELF_aarch64.cpp

//===----- ELF_aarch64.cpp - JIT linker implementation for ELF/aarch64 ----===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// ELF/aarch64 jit-link implementation.
//
//===----------------------------------------------------------------------===//

#include "llvm/ExecutionEngine/JITLink/ELF_aarch64.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/ExecutionEngine/JITLink/DWARFRecordSectionSplitter.h"
#include "llvm/ExecutionEngine/JITLink/aarch64.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Support/Endian.h"

#include "DefineExternalSectionStartAndEndSymbols.h"
#include "EHFrameSupportImpl.h"
#include "ELFLinkGraphBuilder.h"
#include "JITLinkGeneric.h"

#define DEBUG_TYPE …

usingnamespacellvm;
usingnamespacellvm::jitlink;

namespace {

constexpr StringRef ELFGOTSymbolName = …;

class ELFJITLinker_aarch64 : public JITLinker<ELFJITLinker_aarch64> { … };

template <typename ELFT>
class ELFLinkGraphBuilder_aarch64 : public ELFLinkGraphBuilder<ELFT> { … };

// TLS Info Builder.
class TLSInfoTableManager_ELF_aarch64
    : public TableManager<TLSInfoTableManager_ELF_aarch64> { … };

const uint8_t TLSInfoTableManager_ELF_aarch64::TLSInfoEntryContent[16] = …;

// TLS Descriptor Builder.
class TLSDescTableManager_ELF_aarch64
    : public TableManager<TLSDescTableManager_ELF_aarch64> { … };

const uint8_t TLSDescTableManager_ELF_aarch64::TLSDescEntryContent[16] = …;

Error buildTables_ELF_aarch64(LinkGraph &G) { … }

} // namespace

namespace llvm {
namespace jitlink {

Expected<std::unique_ptr<LinkGraph>>
createLinkGraphFromELFObject_aarch64(MemoryBufferRef ObjectBuffer) { … }

void link_ELF_aarch64(std::unique_ptr<LinkGraph> G,
                      std::unique_ptr<JITLinkContext> Ctx) { … }

} // namespace jitlink
} // namespace llvm