1 //===-- dsymutil.cpp - Debug info dumping utility for llvm ----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This program is a utility that aims to be a dropin replacement for
13 //===----------------------------------------------------------------------===//
17 #include "llvm/Support/ManagedStatic.h"
18 #include "llvm/Support/Options.h"
19 #include "llvm/Support/PrettyStackTrace.h"
20 #include "llvm/Support/Signals.h"
21 #include "llvm/Support/raw_ostream.h"
22 #include "llvm/Support/TargetSelect.h"
25 using namespace llvm::dsymutil;
28 using namespace llvm::cl;
30 static opt<std::string> InputFile(Positional, desc("<input file>"),
33 static opt<std::string>
35 desc("Specify the output file. default: <input file>.dwarf"),
36 value_desc("filename"));
38 static opt<std::string> OsoPrependPath(
40 desc("Specify a directory to prepend to the paths of object files."),
43 static opt<bool> Verbose("v", desc("Verbosity level"), init(false));
47 desc("Do the link in memory, but do not emit the result file."),
51 ParseOnly("parse-only",
52 desc("Only parse the debug map, do not actaully link the DWARF."),
56 int main(int argc, char **argv) {
57 llvm::sys::PrintStackTraceOnErrorSignal();
58 llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
59 llvm::llvm_shutdown_obj Shutdown;
62 llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
63 auto DebugMapPtrOrErr = parseDebugMap(InputFile, OsoPrependPath, Verbose);
65 Options.Verbose = Verbose;
66 Options.NoOutput = NoOutput;
68 llvm::InitializeAllTargetInfos();
69 llvm::InitializeAllTargetMCs();
70 llvm::InitializeAllTargets();
71 llvm::InitializeAllAsmPrinters();
73 if (auto EC = DebugMapPtrOrErr.getError()) {
74 llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
75 << "\": " << EC.message() << '\n';
80 (*DebugMapPtrOrErr)->print(llvm::outs());
85 std::string OutputFile;
86 if (OutputFileOpt.empty()) {
88 OutputFile = "a.out.dwarf";
90 OutputFile = InputFile + ".dwarf";
92 OutputFile = OutputFileOpt;
95 return !linkDwarf(OutputFile, **DebugMapPtrOrErr, Options);