llvm/llvm/lib/ExecutionEngine/JITLink/ELF_aarch32.cpp

//===----- ELF_aarch32.cpp - JIT linker implementation for arm/thumb ------===//
//
// 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/aarch32 jit-link implementation.
//
//===----------------------------------------------------------------------===//

#include "llvm/ExecutionEngine/JITLink/ELF_aarch32.h"

#include "llvm/BinaryFormat/ELF.h"
#include "llvm/ExecutionEngine/JITLink/JITLink.h"
#include "llvm/ExecutionEngine/JITLink/aarch32.h"
#include "llvm/Object/ELF.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/TargetParser/ARMTargetParser.h"

#include "ELFLinkGraphBuilder.h"
#include "JITLinkGeneric.h"

#define DEBUG_TYPE …

usingnamespacellvm::object;

namespace llvm {
namespace jitlink {

/// Translate from ELF relocation type to JITLink-internal edge kind.
Expected<aarch32::EdgeKind_aarch32>
getJITLinkEdgeKind(uint32_t ELFType, const aarch32::ArmConfig &ArmCfg) { … }

/// Translate from JITLink-internal edge kind back to ELF relocation type.
Expected<uint32_t> getELFRelocationType(Edge::Kind Kind) { … }

/// Get a human-readable name for the given ELF AArch32 edge kind.
const char *getELFAArch32EdgeKindName(Edge::Kind R) { … }

class ELFJITLinker_aarch32 : public JITLinker<ELFJITLinker_aarch32> { … };

template <llvm::endianness DataEndianness>
class ELFLinkGraphBuilder_aarch32
    : public ELFLinkGraphBuilder<ELFType<DataEndianness, false>> { … };

template <typename StubsManagerType>
Error buildTables_ELF_aarch32(LinkGraph &G) { … }

Expected<std::unique_ptr<LinkGraph>>
createLinkGraphFromELFObject_aarch32(MemoryBufferRef ObjectBuffer) { … }

void link_ELF_aarch32(std::unique_ptr<LinkGraph> G,
                      std::unique_ptr<JITLinkContext> Ctx) { … }

} // namespace jitlink
} // namespace llvm