From ab6bcf35aefe823894d349773ebd53f465f122b7 Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Mon, 17 Oct 2011 23:53:37 +0000
Subject: Object: Implement casting for concrete classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142314 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Object/COFF.h   | 6 ++++++
 include/llvm/Object/MachO.h  | 5 +++++
 lib/Object/ELFObjectFile.cpp | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/include/llvm/Object/COFF.h b/include/llvm/Object/COFF.h
index fa8dee7c5d..1dd8f983ec 100644
--- a/include/llvm/Object/COFF.h
+++ b/include/llvm/Object/COFF.h
@@ -141,6 +141,12 @@ public:
   virtual uint8_t getBytesInAddress() const;
   virtual StringRef getFileFormatName() const;
   virtual unsigned getArch() const;
+
+
+  static inline bool classof(const Binary *v) {
+    return v->getType() == isCOFF;
+  }
+  static inline bool classof(const COFFObjectFile *v) { return true; }
 };
 
 }
diff --git a/include/llvm/Object/MachO.h b/include/llvm/Object/MachO.h
index 71830aa89b..147987e8f1 100644
--- a/include/llvm/Object/MachO.h
+++ b/include/llvm/Object/MachO.h
@@ -40,6 +40,11 @@ public:
 
   MachOObject *getObject() { return MachOObj; }
 
+  static inline bool classof(const Binary *v) {
+    return v->getType() == isMachO;
+  }
+  static inline bool classof(const MachOObjectFile *v) { return true; }
+
 protected:
   virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index e13c31214a..7a992e2fec 100644
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -377,6 +377,11 @@ public:
   uint64_t getStringTableIndex() const;
   ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const;
   const Elf_Shdr *getSection(const Elf_Sym *symb) const;
+
+  static inline bool classof(const Binary *v) {
+    return v->getType() == isELF;
+  }
+  static inline bool classof(const ELFObjectFile *v) { return true; }
 };
 } // end namespace
 
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