llvm/bolt/lib/Core/JumpTable.cpp

//===- bolt/Core/JumpTable.cpp - Jump table at low-level IR ---------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements the JumpTable class.
//
//===----------------------------------------------------------------------===//

#include "bolt/Core/JumpTable.h"
#include "bolt/Core/BinaryFunction.h"
#include "bolt/Core/BinarySection.h"
#include "llvm/Support/CommandLine.h"

#define DEBUG_TYPE …

usingnamespacellvm;
usingnamespacebolt;

JumpTable;

namespace opts {
extern cl::opt<JumpTableSupportLevel> JumpTables;
extern cl::opt<unsigned> Verbosity;
} // namespace opts

bolt::JumpTable::JumpTable(MCSymbol &Symbol, uint64_t Address, size_t EntrySize,
                           JumpTableType Type, LabelMapType &&Labels,
                           BinarySection &Section)
    : … { … }

std::pair<size_t, size_t>
bolt::JumpTable::getEntriesForAddress(const uint64_t Addr) const { … }

bool bolt::JumpTable::replaceDestination(uint64_t JTAddress,
                                         const MCSymbol *OldDest,
                                         MCSymbol *NewDest) { … }

void bolt::JumpTable::updateOriginal() { … }

void bolt::JumpTable::print(raw_ostream &OS) const { … }