llvm-project/llvm/tools/dsymutil/dsymutil.cpp

72 lines
2.2 KiB
C++

//===-- dsymutil.cpp - Debug info dumping utility for llvm ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This program is a utility that aims to be a dropin replacement for
// Darwin's dsymutil.
//
//===----------------------------------------------------------------------===//
#include "DebugMap.h"
#include "dsymutil.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Options.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include <string>
using namespace llvm::dsymutil;
namespace {
using namespace llvm::cl;
static opt<std::string> InputFile(Positional, desc("<input file>"),
init("a.out"));
static opt<std::string> OsoPrependPath("oso-prepend-path",
desc("Specify a directory to prepend "
"to the paths of object files."),
value_desc("path"));
static opt<bool> Verbose("v", desc("Verbosity level"), init(false));
static opt<bool>
ParseOnly("parse-only",
desc("Only parse the debug map, do not actaully link "
"the DWARF."),
init(false));
}
int main(int argc, char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal();
llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
llvm::llvm_shutdown_obj Shutdown;
llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
auto DebugMapPtrOrErr = parseDebugMap(InputFile, OsoPrependPath, Verbose);
if (auto EC = DebugMapPtrOrErr.getError()) {
llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
<< "\": " << EC.message() << '\n';
return 1;
}
if (Verbose)
(*DebugMapPtrOrErr)->print(llvm::outs());
if (ParseOnly)
return 0;
std::string OutputBasename(InputFile);
if (OutputBasename == "-")
OutputBasename = "a.out";
return !linkDwarf(OutputBasename + ".dwarf", **DebugMapPtrOrErr, Verbose);
}