llvm/llvm/tools/llvm-dwp/llvm-dwp.cpp

//===-- llvm-dwp.cpp - Split DWARF merging tool for llvm ------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// A utility for merging DWARF 5 Split DWARF .dwo files into .dwp (DWARF
// package files).
//
//===----------------------------------------------------------------------===//
#include "llvm/DWP/DWP.h"
#include "llvm/DWP/DWPError.h"
#include "llvm/DWP/DWPStringPool.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetOptionsCommandFlags.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/Option.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/LLVMDriver.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
#include <optional>

usingnamespacellvm;
usingnamespacellvm::object;

static mc::RegisterMCTargetOptionsFlags MCTargetOptionsFlags;

// Command-line option boilerplate.
namespace {
enum ID { … };

#define PREFIX …
#include "Opts.inc"
#undef PREFIX

usingnamespacellvm::opt;
static constexpr opt::OptTable::Info InfoTable[] = …;

class DwpOptTable : public opt::GenericOptTable { … };
} // end anonymous namespace

// Options
static std::vector<std::string> ExecFilenames;
static std::string OutputFilename;
static std::string ContinueOption;

static Expected<SmallVector<std::string, 16>>
getDWOFilenames(StringRef ExecFilename) { … }

static int error(const Twine &Error, const Twine &Context) { … }

static Expected<Triple> readTargetTriple(StringRef FileName) { … }

int llvm_dwp_main(int argc, char **argv, const llvm::ToolContext &) { … }