Teach llvm-readobj to print ELF program headers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-readobj/llvm-readobj.cpp b/tools/llvm-readobj/llvm-readobj.cpp
index 9d5cfcb..7a4b4e4 100644
--- a/tools/llvm-readobj/llvm-readobj.cpp
+++ b/tools/llvm-readobj/llvm-readobj.cpp
@@ -121,6 +121,10 @@
   cl::opt<bool> NeededLibraries("needed-libs",
     cl::desc("Display the needed libraries"));
 
+  // -program-headers
+  cl::opt<bool> ProgramHeaders("program-headers",
+    cl::desc("Display ELF program headers"));
+
   // -expand-relocs
   cl::opt<bool> ExpandRelocs("expand-relocs",
     cl::desc("Expand each shown relocation to multiple lines"));
@@ -215,6 +219,8 @@
     Dumper->printDynamicTable();
   if (opts::NeededLibraries)
     Dumper->printNeededLibraries();
+  if (opts::ProgramHeaders)
+    Dumper->printProgramHeaders();
 }