Add dump of Win64 EH unwind data.

The new command line option -unwind-info dumps the Win64 EH unwind
data to the console. This is a nice feature if you need to debug
generated EH data (e.g. from LLVM). Includes a test case.

Initial patch by João Matos, extensions and rework by Kai Nacke.

llvm-svn: 169415

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/tools/llvm-objdump/llvm-objdump.h b/llvm/tools/llvm-objdump/llvm-objdump.h
index aa71b77c8ab..9f5a8c3db97 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.h
+++ b/llvm/tools/llvm-objdump/llvm-objdump.h
@@ -17,12 +17,21 @@
 
 namespace llvm {
 
+namespace object {
+  class COFFObjectFile;
+  class RelocationRef;
+}
+class error_code;
+
 extern cl::opt<std::string> TripleName;
 extern cl::opt<std::string> ArchName;
 
 // Various helper functions.
+bool error(error_code ec);
+bool RelocAddressLess(object::RelocationRef a, object::RelocationRef b);
 void DumpBytes(StringRef bytes);
 void DisassembleInputMachO(StringRef Filename);
+void printCOFFUnwindInfo(const object::COFFObjectFile* o);
 
 class StringRefMemoryObject : public MemoryObject {
   virtual void anchor();