[COFF] Expose the PE debug data directory and dump it

This directory is used to find if there is a PDB associated with an
executable. I plan to use this functionality to teach llvm-symbolizer
whether it should use DIA or DWARF to symbolize a given DLL.

Reviewers: majnemer

Differential Revision: http://reviews.llvm.org/D20885

llvm-svn: 271539

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 386b32b6cc7..edeb8c95484 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -196,6 +196,11 @@ namespace opts {
   COFFBaseRelocs("coff-basereloc",
                  cl::desc("Display the PE/COFF .reloc section"));
 
+  // -coff-debug-directory
+  cl::opt<bool>
+  COFFDebugDirectory("coff-debug-directory",
+                     cl::desc("Display the PE/COFF debug directory"));
+
   // -macho-data-in-code
   cl::opt<bool>
   MachODataInCode("macho-data-in-code",
@@ -392,6 +397,8 @@ static void dumpObject(const ObjectFile *Obj) {
       Dumper->printCOFFDirectives();
     if (opts::COFFBaseRelocs)
       Dumper->printCOFFBaseReloc();
+    if (opts::COFFDebugDirectory)
+      Dumper->printCOFFDebugDirectory();
     if (opts::CodeView)
       Dumper->printCodeViewDebugInfo();
     if (opts::CodeViewMergedTypes)