commit 8d6396d3b01dbaba38640d37525ce04a35cd17bb
author Zachary Turner <zturner@google.com> Thu Apr 27 19:38:38 2017 +0000
committer Zachary Turner <zturner@google.com> Thu Apr 27 19:38:38 2017 +0000
tree 1e2f209b9bfc14129bb4d6dabda579a86342db0c
parent 7ec263672cfe1220f032dc8c5f02d75e4c4b1829

[llvm-readobj] Dump COFF Resources section.

This patch dumps the raw bytes of the .rsrc sections that
are present in COFF object and executable files.  Subsequent
patches will parse this information and dump in a more human
readable format.

Differential Revision: https://reviews.llvm.org/D32463
Patch By: Eric Beckmann

llvm-svn: 301578

llvm/tools/llvm-readobj/COFFDumper.cpp

diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
index 6359497..4d8ebec 100644
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -79,6 +79,7 @@
   void printCOFFDirectives() override;
   void printCOFFBaseReloc() override;
   void printCOFFDebugDirectory() override;
+  void printCOFFResources() override;
   void printCodeViewDebugInfo() override;
   void mergeCodeViewTypes(llvm::codeview::TypeTableBuilder &CVIDs,
                           llvm::codeview::TypeTableBuilder &CVTypes) override;
@@ -1521,6 +1522,30 @@
   }
 }
 
+void COFFDumper::printCOFFResources() {
+  ListScope ResourcesD(W, "Resources");
+  for (const SectionRef &S : Obj->sections()) {
+    StringRef Name;
+    error(S.getName(Name));
+    if (!Name.startswith(".rsrc"))
+      continue;
+
+    StringRef Ref;
+    error(S.getContents(Ref));
+
+    if ((Name == ".rsrc") || (Name == ".rsrc$01")) {
+      auto Table =
+          reinterpret_cast<const coff_resource_dir_table *>(Ref.data());
+      char FormattedTime[20];
+      time_t TDS = time_t(Table->TimeDateStamp);
+      strftime(FormattedTime, sizeof(FormattedTime), "%Y-%m-%d %H:%M:%S",
+               gmtime(&TDS));
+      W.printHex("Time/Date Stamp", FormattedTime, Table->TimeDateStamp);
+    }
+    W.printBinaryBlock(Name.str() + " Data", Ref);
+  }
+}
+
 void COFFDumper::printStackMap() const {
   object::SectionRef StackMapSection;
   for (auto Sec : Obj->sections()) {

llvm/tools/llvm-readobj/ObjDumper.h

diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
index ff780da..48f825c 100644
--- a/llvm/tools/llvm-readobj/ObjDumper.h
+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -67,6 +67,7 @@
   virtual void printCOFFDirectives() { }
   virtual void printCOFFBaseReloc() { }
   virtual void printCOFFDebugDirectory() { }
+  virtual void printCOFFResources() {}
   virtual void printCodeViewDebugInfo() { }
   virtual void mergeCodeViewTypes(llvm::codeview::TypeTableBuilder &CVIDs,
                                   llvm::codeview::TypeTableBuilder &CVTypes) {}

llvm/tools/llvm-readobj/llvm-readobj.cpp

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index bc2a62e..8a9d7bc 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -214,6 +214,10 @@
   COFFDebugDirectory("coff-debug-directory",
                      cl::desc("Display the PE/COFF debug directory"));
 
+  // -coff-resources
+  cl::opt<bool> COFFResources("coff-resources",
+                              cl::desc("Display the PE/COFF .rsrc section"));
+
   // -macho-data-in-code
   cl::opt<bool>
   MachODataInCode("macho-data-in-code",
@@ -445,6 +449,8 @@
       Dumper->printCOFFBaseReloc();
     if (opts::COFFDebugDirectory)
       Dumper->printCOFFDebugDirectory();
+    if (opts::COFFResources)
+      Dumper->printCOFFResources();
     if (opts::CodeView)
       Dumper->printCodeViewDebugInfo();
     if (opts::CodeViewMergedTypes)