llvm/bolt/lib/RuntimeLibs/InstrumentationRuntimeLibrary.cpp

//===- bolt/RuntimeLibs/InstrumentationRuntimeLibrary.cpp -----------------===//
//
// 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 InstrumentationRuntimeLibrary class.
//
//===----------------------------------------------------------------------===//

#include "bolt/RuntimeLibs/InstrumentationRuntimeLibrary.h"
#include "bolt/Core/BinaryFunction.h"
#include "bolt/Core/JumpTable.h"
#include "bolt/Core/Linker.h"
#include "bolt/Utils/CommandLineOpts.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/CommandLine.h"

usingnamespacellvm;
usingnamespacebolt;

namespace opts {

cl::opt<std::string> RuntimeInstrumentationLib(
    "runtime-instrumentation-lib",
    cl::desc("specify path of the runtime instrumentation library"),
    cl::init("libbolt_rt_instr.a"), cl::cat(BoltOptCategory));

extern cl::opt<bool> InstrumentationFileAppendPID;
extern cl::opt<bool> ConservativeInstrumentation;
extern cl::opt<std::string> InstrumentationFilename;
extern cl::opt<std::string> InstrumentationBinpath;
extern cl::opt<uint32_t> InstrumentationSleepTime;
extern cl::opt<bool> InstrumentationNoCountersClear;
extern cl::opt<bool> InstrumentationWaitForks;
extern cl::opt<JumpTableSupportLevel> JumpTables;

} // namespace opts

void InstrumentationRuntimeLibrary::adjustCommandLineOptions(
    const BinaryContext &BC) const { … }

void InstrumentationRuntimeLibrary::emitBinary(BinaryContext &BC,
                                               MCStreamer &Streamer) { … }

void InstrumentationRuntimeLibrary::link(
    BinaryContext &BC, StringRef ToolPath, BOLTLinker &Linker,
    BOLTLinker::SectionsMapper MapSections) { … }

std::string InstrumentationRuntimeLibrary::buildTables(BinaryContext &BC) { … }

void InstrumentationRuntimeLibrary::emitTablesAsELFNote(BinaryContext &BC) { … }