1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp b/contrib/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
new file mode 100644
index 0000000..c1cb021
--- /dev/null
+++ b/contrib/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
@@ -0,0 +1,113 @@
+//===-- llvm-dwarfdump.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 works like "dwarfdump".
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/DebugInfo/DIContext.h"
+#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/RelocVisitor.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cstring>
+#include <list>
+#include <string>
+#include <system_error>
+
+using namespace llvm;
+using namespace object;
+
+static cl::list<std::string>
+InputFilenames(cl::Positional, cl::desc("<input object files>"),
+               cl::ZeroOrMore);
+
+static cl::opt<DIDumpType>
+DumpType("debug-dump", cl::init(DIDT_All),
+  cl::desc("Dump of debug sections:"),
+  cl::values(
+        clEnumValN(DIDT_All, "all", "Dump all debug sections"),
+        clEnumValN(DIDT_Abbrev, "abbrev", ".debug_abbrev"),
+        clEnumValN(DIDT_AbbrevDwo, "abbrev.dwo", ".debug_abbrev.dwo"),
+        clEnumValN(DIDT_AppleNames, "apple_names", ".apple_names"),
+        clEnumValN(DIDT_AppleTypes, "apple_types", ".apple_types"),
+        clEnumValN(DIDT_AppleNamespaces, "apple_namespaces", ".apple_namespaces"),
+        clEnumValN(DIDT_AppleObjC, "apple_objc", ".apple_objc"),
+        clEnumValN(DIDT_Aranges, "aranges", ".debug_aranges"),
+        clEnumValN(DIDT_Info, "info", ".debug_info"),
+        clEnumValN(DIDT_InfoDwo, "info.dwo", ".debug_info.dwo"),
+        clEnumValN(DIDT_Types, "types", ".debug_types"),
+        clEnumValN(DIDT_TypesDwo, "types.dwo", ".debug_types.dwo"),
+        clEnumValN(DIDT_Line, "line", ".debug_line"),
+        clEnumValN(DIDT_LineDwo, "line.dwo", ".debug_line.dwo"),
+        clEnumValN(DIDT_Loc, "loc", ".debug_loc"),
+        clEnumValN(DIDT_LocDwo, "loc.dwo", ".debug_loc.dwo"),
+        clEnumValN(DIDT_Frames, "frames", ".debug_frame"),
+        clEnumValN(DIDT_Ranges, "ranges", ".debug_ranges"),
+        clEnumValN(DIDT_Pubnames, "pubnames", ".debug_pubnames"),
+        clEnumValN(DIDT_Pubtypes, "pubtypes", ".debug_pubtypes"),
+        clEnumValN(DIDT_GnuPubnames, "gnu_pubnames", ".debug_gnu_pubnames"),
+        clEnumValN(DIDT_GnuPubtypes, "gnu_pubtypes", ".debug_gnu_pubtypes"),
+        clEnumValN(DIDT_Str, "str", ".debug_str"),
+        clEnumValN(DIDT_StrDwo, "str.dwo", ".debug_str.dwo"),
+        clEnumValN(DIDT_StrOffsetsDwo, "str_offsets.dwo", ".debug_str_offsets.dwo"),
+        clEnumValEnd));
+
+static void DumpInput(StringRef Filename) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
+      MemoryBuffer::getFileOrSTDIN(Filename);
+
+  if (std::error_code EC = BuffOrErr.getError()) {
+    errs() << Filename << ": " << EC.message() << "\n";
+    return;
+  }
+  std::unique_ptr<MemoryBuffer> Buff = std::move(BuffOrErr.get());
+
+  ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
+      ObjectFile::createObjectFile(Buff->getMemBufferRef());
+  if (std::error_code EC = ObjOrErr.getError()) {
+    errs() << Filename << ": " << EC.message() << '\n';
+    return;
+  }
+  ObjectFile &Obj = *ObjOrErr.get();
+
+  std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(Obj));
+
+  outs() << Filename
+         << ":\tfile format " << Obj.getFileFormatName() << "\n\n";
+  // Dump the complete DWARF structure.
+  DICtx->dump(outs(), DumpType);
+}
+
+int main(int argc, char **argv) {
+  // Print a stack trace if we signal out.
+  sys::PrintStackTraceOnErrorSignal();
+  PrettyStackTraceProgram X(argc, argv);
+  llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
+
+  cl::ParseCommandLineOptions(argc, argv, "llvm dwarf dumper\n");
+
+  // Defaults to a.out if no filenames specified.
+  if (InputFilenames.size() == 0)
+    InputFilenames.push_back("a.out");
+
+  std::for_each(InputFilenames.begin(), InputFilenames.end(), DumpInput);
+
+  return 0;
+}