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Update aosp/master LLVM for rebase to r230699.
[android-x86/external-llvm.git] / tools / dsymutil / dsymutil.cpp
1 //===-- dsymutil.cpp - Debug info dumping utility for llvm ----------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This program is a utility that aims to be a dropin replacement for
11 // Darwin's dsymutil.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "DebugMap.h"
16 #include "dsymutil.h"
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 <string>
23
24 using namespace llvm::dsymutil;
25
26 namespace {
27 using namespace llvm::cl;
28
29 static opt<std::string> InputFile(Positional, desc("<input file>"),
30                                   init("a.out"));
31
32 static opt<std::string> OsoPrependPath("oso-prepend-path",
33                                        desc("Specify a directory to prepend "
34                                             "to the paths of object files."),
35                                        value_desc("path"));
36
37 static opt<bool> Verbose("v", desc("Verbosity level"), init(false));
38
39 static opt<bool>
40     ParseOnly("parse-only",
41               desc("Only parse the debug map, do not actaully link "
42                    "the DWARF."),
43               init(false));
44 }
45
46 int main(int argc, char **argv) {
47   llvm::sys::PrintStackTraceOnErrorSignal();
48   llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
49   llvm::llvm_shutdown_obj Shutdown;
50
51   llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
52   auto DebugMapPtrOrErr = parseDebugMap(InputFile, OsoPrependPath, Verbose);
53
54   if (auto EC = DebugMapPtrOrErr.getError()) {
55     llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
56                  << "\": " << EC.message() << '\n';
57     return 1;
58   }
59
60   if (Verbose)
61     (*DebugMapPtrOrErr)->print(llvm::outs());
62
63   if (ParseOnly)
64     return 0;
65
66   std::string OutputBasename(InputFile);
67   if (OutputBasename == "-")
68     OutputBasename = "a.out";
69
70   return !linkDwarf(OutputBasename + ".dwarf", **DebugMapPtrOrErr, Verbose);
71 }