llvm/llvm/lib/ExecutionEngine/JITLink/MachOLinkGraphBuilder.cpp

//=--------- MachOLinkGraphBuilder.cpp - MachO LinkGraph builder ----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Generic MachO LinkGraph building code.
//
//===----------------------------------------------------------------------===//

#include "MachOLinkGraphBuilder.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Sequence.h"
#include <optional>

#define DEBUG_TYPE …

static const char *CommonSectionName = …;

namespace llvm {
namespace jitlink {

MachOLinkGraphBuilder::~MachOLinkGraphBuilder() = default;

Expected<std::unique_ptr<LinkGraph>> MachOLinkGraphBuilder::buildGraph() { … }

MachOLinkGraphBuilder::MachOLinkGraphBuilder(
    const object::MachOObjectFile &Obj, Triple TT, SubtargetFeatures Features,
    LinkGraph::GetEdgeKindNameFunction GetEdgeKindName)
    : … { … }

void MachOLinkGraphBuilder::addCustomSectionParser(
    StringRef SectionName, SectionParserFunction Parser) { … }

Linkage MachOLinkGraphBuilder::getLinkage(uint16_t Desc) { … }

Scope MachOLinkGraphBuilder::getScope(StringRef Name, uint8_t Type) { … }

bool MachOLinkGraphBuilder::isAltEntry(const NormalizedSymbol &NSym) { … }

bool MachOLinkGraphBuilder::isDebugSection(const NormalizedSection &NSec) { … }

bool MachOLinkGraphBuilder::isZeroFillSection(const NormalizedSection &NSec) { … }

unsigned
MachOLinkGraphBuilder::getPointerSize(const object::MachOObjectFile &Obj) { … }

llvm::endianness
MachOLinkGraphBuilder::getEndianness(const object::MachOObjectFile &Obj) { … }

Section &MachOLinkGraphBuilder::getCommonSection() { … }

Error MachOLinkGraphBuilder::createNormalizedSections() { … }

Error MachOLinkGraphBuilder::createNormalizedSymbols() { … }

void MachOLinkGraphBuilder::addSectionStartSymAndBlock(
    unsigned SecIndex, Section &GraphSec, orc::ExecutorAddr Address,
    const char *Data, orc::ExecutorAddrDiff Size, uint32_t Alignment,
    bool IsLive) { … }

Error MachOLinkGraphBuilder::graphifyRegularSymbols() { … }

Symbol &MachOLinkGraphBuilder::createStandardGraphSymbol(NormalizedSymbol &NSym,
                                                         Block &B, size_t Size,
                                                         bool IsText,
                                                         bool IsNoDeadStrip,
                                                         bool IsCanonical) { … }

Error MachOLinkGraphBuilder::graphifySectionsWithCustomParsers() { … }

Error MachOLinkGraphBuilder::graphifyCStringSection(
    NormalizedSection &NSec, std::vector<NormalizedSymbol *> NSyms) { … }

Error CompactUnwindSplitter::operator()(LinkGraph &G) { … }

} // end namespace jitlink
} // end namespace llvm