[llvm-readobj] Teach readobj to dump .res files (WindowsResource).

This enables readobj to output Windows resource files (.res). This way,
we'll be able to test .res outputs without comparing them byte-by-byte
with "magic binary files" generated by MS toolchain.

Differential Revision: https://reviews.llvm.org/D38058

llvm-svn: 313790

1 files changed, 13 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 7bfb18fab12..f24ce67da84 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -22,12 +22,14 @@
 #include "llvm-readobj.h"
 #include "Error.h"
 #include "ObjDumper.h"
+#include "WindowsResourceDumper.h"
 #include "llvm/DebugInfo/CodeView/TypeTableBuilder.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/COFFImportFile.h"
 #include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Object/MachOUniversal.h"
 #include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/WindowsResource.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/DataTypes.h"
@@ -522,6 +524,15 @@ static void dumpMachOUniversalBinary(const MachOUniversalBinary *UBinary) {
   }
 }
 
+/// @brief Dumps \a WinRes, Windows Resource (.res) file;
+static void dumpWindowsResourceFile(WindowsResource *WinRes) {
+  ScopedPrinter Printer{outs()};
+  WindowsRes::Dumper Dumper(WinRes, Printer);
+  if (auto Err = Dumper.printData())
+    reportError(WinRes->getFileName(), std::move(Err));
+}
+
+
 /// @brief Opens \a File and dumps it.
 static void dumpInput(StringRef File) {
 
@@ -540,6 +551,8 @@ static void dumpInput(StringRef File) {
     dumpObject(Obj);
   else if (COFFImportFile *Import = dyn_cast<COFFImportFile>(&Binary))
     dumpCOFFImportFile(Import);
+  else if (WindowsResource *WinRes = dyn_cast<WindowsResource>(&Binary))
+    dumpWindowsResourceFile(WinRes);
   else
     reportError(File, readobj_error::unrecognized_file_format);
 }