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> OutputFileOpt("o", desc("Specify the output file."
34 " default: <input file>.dwarf"),
35 value_desc("filename"));
37 static opt<std::string> OsoPrependPath("oso-prepend-path",
38 desc("Specify a directory to prepend "
39 "to the paths of object files."),
42 static opt<bool> Verbose("v", desc("Verbosity level"), init(false));
44 static opt<bool> NoOutput("no-output", desc("Do the link in memory, but do "
45 "not emit the result file."),
49 ParseOnly("parse-only",
50 desc("Only parse the debug map, do not actaully link "
55 int main(int argc, char **argv) {
56 llvm::sys::PrintStackTraceOnErrorSignal();
57 llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
58 llvm::llvm_shutdown_obj Shutdown;
61 llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
62 auto DebugMapPtrOrErr = parseDebugMap(InputFile, OsoPrependPath, Verbose);
64 Options.Verbose = Verbose;
65 Options.NoOutput = NoOutput;
67 llvm::InitializeAllTargetInfos();
68 llvm::InitializeAllTargetMCs();
69 llvm::InitializeAllTargets();
70 llvm::InitializeAllAsmPrinters();
72 if (auto EC = DebugMapPtrOrErr.getError()) {
73 llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
74 << "\": " << EC.message() << '\n';
79 (*DebugMapPtrOrErr)->print(llvm::outs());
84 std::string OutputFile;
85 if (OutputFileOpt.empty()) {
87 OutputFile = "a.out.dwarf";
89 OutputFile = InputFile + ".dwarf";
91 OutputFile = OutputFileOpt;
94 return !linkDwarf(OutputFile, **DebugMapPtrOrErr, Options);