[llvm-readobj] Add --coff-tls-directory flag to print TLS Directory & test.

Akin to dumpbin's /TLS option, this will print out the TLS directory, if
present, in the image.

Example output:
```
> llvm-readobj --coff-tls-directory test.exe
File: test.exe
Format: COFF-x86-64
Arch: x86_64
AddressSize: 64bit
TLSDirectory {
  StartAddressOfRawData: 0x140004000
  EndAddressOfRawData: 0x140004040
  AddressOfIndex: 0x140002000
  AddressOfCallBacks: 0x0
  SizeOfZeroFill: 0x0
  Characteristics [ (0x0)
  ]
}
```

Reviewed By: jhenderson, grimar

Differential Revision: https://reviews.llvm.org/D88635

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 173ee3a..1546ce79 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -272,6 +272,10 @@ namespace opts {
   COFFDebugDirectory("coff-debug-directory",
                      cl::desc("Display the PE/COFF debug directory"));
 
+  // --coff-tls-directory
+  cl::opt<bool> COFFTLSDirectory("coff-tls-directory",
+                                 cl::desc("Display the PE/COFF TLS directory"));
+
   // --coff-resources
   cl::opt<bool> COFFResources("coff-resources",
                               cl::desc("Display the PE/COFF .rsrc section"));
@@ -533,6 +537,8 @@ static void dumpObject(const ObjectFile &Obj, ScopedPrinter &Writer,
       Dumper->printCOFFBaseReloc();
     if (opts::COFFDebugDirectory)
       Dumper->printCOFFDebugDirectory();
+    if (opts::COFFTLSDirectory)
+      Dumper->printCOFFTLSDirectory();
     if (opts::COFFResources)
       Dumper->printCOFFResources();
     if (opts::COFFLoadConfig)