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("verbose", desc("Verbosity level"), init(false));
47 desc("Do the link in memory, but do not emit the result file."),
52 desc("Do not use ODR (One Definition Rule) for type uniquing."),
55 static opt<bool> DumpDebugMap(
57 desc("Parse and dump the debug map to standard output. Not DWARF link "
61 static opt<bool> InputIsYAMLDebugMap(
62 "y", desc("Treat the input file is a YAML debug map rather than a binary."),
66 int main(int argc, char **argv) {
67 llvm::sys::PrintStackTraceOnErrorSignal();
68 llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
69 llvm::llvm_shutdown_obj Shutdown;
72 llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
74 auto DebugMapPtrOrErr =
75 parseDebugMap(InputFile, OsoPrependPath, Verbose, InputIsYAMLDebugMap);
77 Options.Verbose = Verbose;
78 Options.NoOutput = NoOutput;
79 Options.NoODR = NoODR;
81 llvm::InitializeAllTargetInfos();
82 llvm::InitializeAllTargetMCs();
83 llvm::InitializeAllTargets();
84 llvm::InitializeAllAsmPrinters();
86 if (auto EC = DebugMapPtrOrErr.getError()) {
87 llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
88 << "\": " << EC.message() << '\n';
92 if (Verbose || DumpDebugMap)
93 (*DebugMapPtrOrErr)->print(llvm::outs());
98 std::string OutputFile;
99 if (OutputFileOpt.empty()) {
100 if (InputFile == "-")
101 OutputFile = "a.out.dwarf";
103 OutputFile = InputFile + ".dwarf";
105 OutputFile = OutputFileOpt;
108 return !linkDwarf(OutputFile, **DebugMapPtrOrErr, Options);