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//===-- 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 "llvm/Support/TargetSelect.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>
OutputFileOpt("o",
desc("Specify the output file. default: <input file>.dwarf"),
value_desc("filename"));
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>
NoOutput("no-output",
desc("Do the link in memory, but do not emit the result file."),
init(false));
static opt<bool> DumpDebugMap(
"dump-debug-map",
desc("Parse and dump the debug map to standard output. Not DWARF link "
"will take place."),
init(false));
static opt<bool> InputIsYAMLDebugMap(
"y", desc("Treat the input file is a YAML debug map rather than a binary."),
init(false));
}
int main(int argc, char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal();
llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
llvm::llvm_shutdown_obj Shutdown;
LinkOptions Options;
llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
auto DebugMapPtrOrErr =
parseDebugMap(InputFile, OsoPrependPath, Verbose, InputIsYAMLDebugMap);
Options.Verbose = Verbose;
Options.NoOutput = NoOutput;
llvm::InitializeAllTargetInfos();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
if (auto EC = DebugMapPtrOrErr.getError()) {
llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
<< "\": " << EC.message() << '\n';
return 1;
}
if (Verbose || DumpDebugMap)
(*DebugMapPtrOrErr)->print(llvm::outs());
if (DumpDebugMap)
return 0;
std::string OutputFile;
if (OutputFileOpt.empty()) {
if (InputFile == "-")
OutputFile = "a.out.dwarf";
else
OutputFile = InputFile + ".dwarf";
} else {
OutputFile = OutputFileOpt;
}
return !linkDwarf(OutputFile, **DebugMapPtrOrErr, Options);
}
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