diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index 839c08d..018f00c 100644
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/Support/ELF.h"
 using namespace llvm;
 
 typedef StringMap<const MCSectionMachO*> MachOUniqueMapTy;
@@ -211,7 +212,7 @@
 
 const MCSectionELF *MCContext::CreateELFGroupSection() {
   MCSectionELF *Result =
-    new (*this) MCSectionELF(".group", MCSectionELF::SHT_GROUP, 0,
+    new (*this) MCSectionELF(".group", ELF::SHT_GROUP, 0,
                              SectionKind::getReadOnly(), 4, NULL);
   return Result;
 }
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index 2369821..1c89b56 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -155,19 +155,19 @@
   }
 
   void SetSectionData() {
-    SetSection(".data", MCSectionELF::SHT_PROGBITS,
+    SetSection(".data", ELF::SHT_PROGBITS,
                MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
                SectionKind::getDataRel());
     EmitCodeAlignment(4, 0);
   }
   void SetSectionText() {
-    SetSection(".text", MCSectionELF::SHT_PROGBITS,
+    SetSection(".text", ELF::SHT_PROGBITS,
                MCSectionELF::SHF_EXECINSTR |
                MCSectionELF::SHF_ALLOC, SectionKind::getText());
     EmitCodeAlignment(4, 0);
   }
   void SetSectionBss() {
-    SetSection(".bss", MCSectionELF::SHT_NOBITS,
+    SetSection(".bss", ELF::SHT_NOBITS,
                MCSectionELF::SHF_WRITE |
                MCSectionELF::SHF_ALLOC, SectionKind::getBSS());
     EmitCodeAlignment(4, 0);
@@ -346,7 +346,7 @@
 
   if (GetBinding(SD) == ELF_STB_Local) {
     const MCSection *Section = getAssembler().getContext().getELFSection(".bss",
-                                                                    MCSectionELF::SHT_NOBITS,
+                                                                    ELF::SHT_NOBITS,
                                                                     MCSectionELF::SHF_WRITE |
                                                                     MCSectionELF::SHF_ALLOC,
                                                                     SectionKind::getBSS());
diff --git a/lib/MC/MCParser/ELFAsmParser.cpp b/lib/MC/MCParser/ELFAsmParser.cpp
index 0456b4b..a3bd1d7 100644
--- a/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/lib/MC/MCParser/ELFAsmParser.cpp
@@ -16,6 +16,7 @@
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
+#include "llvm/Support/ELF.h"
 using namespace llvm;
 
 namespace {
@@ -59,57 +60,57 @@
   // FIXME: Part of this logic is duplicated in the MCELFStreamer. What is
   // the best way for us to get access to it?
   bool ParseSectionDirectiveData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".data", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC,
                               SectionKind::getDataRel());
   }
   bool ParseSectionDirectiveText(StringRef, SMLoc) {
-    return ParseSectionSwitch(".text", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".text", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_EXECINSTR |
                               MCSectionELF::SHF_ALLOC, SectionKind::getText());
   }
   bool ParseSectionDirectiveBSS(StringRef, SMLoc) {
-    return ParseSectionSwitch(".bss", MCSectionELF::SHT_NOBITS,
+    return ParseSectionSwitch(".bss", ELF::SHT_NOBITS,
                               MCSectionELF::SHF_WRITE |
                               MCSectionELF::SHF_ALLOC, SectionKind::getBSS());
   }
   bool ParseSectionDirectiveRoData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".rodata", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".rodata", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC,
                               SectionKind::getReadOnly());
   }
   bool ParseSectionDirectiveTData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".tdata", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".tdata", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_TLS | MCSectionELF::SHF_WRITE,
                               SectionKind::getThreadData());
   }
   bool ParseSectionDirectiveTBSS(StringRef, SMLoc) {
-    return ParseSectionSwitch(".tbss", MCSectionELF::SHT_NOBITS,
+    return ParseSectionSwitch(".tbss", ELF::SHT_NOBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_TLS | MCSectionELF::SHF_WRITE,
                               SectionKind::getThreadBSS());
   }
   bool ParseSectionDirectiveDataRel(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data.rel", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".data.rel", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_WRITE,
                               SectionKind::getDataRel());
   }
   bool ParseSectionDirectiveDataRelRo(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data.rel.ro", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".data.rel.ro", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_WRITE,
                               SectionKind::getReadOnlyWithRel());
   }
   bool ParseSectionDirectiveDataRelRoLocal(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data.rel.ro.local", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".data.rel.ro.local", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_WRITE,
                               SectionKind::getReadOnlyWithRelLocal());
   }
   bool ParseSectionDirectiveEhFrame(StringRef, SMLoc) {
-    return ParseSectionSwitch(".eh_frame", MCSectionELF::SHT_PROGBITS,
+    return ParseSectionSwitch(".eh_frame", ELF::SHT_PROGBITS,
                               MCSectionELF::SHF_ALLOC |
                               MCSectionELF::SHF_WRITE,
                               SectionKind::getDataRel());
@@ -322,21 +323,21 @@
   if (getLexer().isNot(AsmToken::EndOfStatement))
     return TokError("unexpected token in directive");
 
-  unsigned Type = MCSectionELF::SHT_PROGBITS;
+  unsigned Type = ELF::SHT_PROGBITS;
 
   if (!TypeName.empty()) {
     if (TypeName == "init_array")
-      Type = MCSectionELF::SHT_INIT_ARRAY;
+      Type = ELF::SHT_INIT_ARRAY;
     else if (TypeName == "fini_array")
-      Type = MCSectionELF::SHT_FINI_ARRAY;
+      Type = ELF::SHT_FINI_ARRAY;
     else if (TypeName == "preinit_array")
-      Type = MCSectionELF::SHT_PREINIT_ARRAY;
+      Type = ELF::SHT_PREINIT_ARRAY;
     else if (TypeName == "nobits")
-      Type = MCSectionELF::SHT_NOBITS;
+      Type = ELF::SHT_NOBITS;
     else if (TypeName == "progbits")
-      Type = MCSectionELF::SHT_PROGBITS;
+      Type = ELF::SHT_PROGBITS;
     else if (TypeName == "note")
-      Type = MCSectionELF::SHT_NOTE;
+      Type = ELF::SHT_NOTE;
     else
       return TokError("unknown section type");
   }
@@ -415,7 +416,7 @@
 
   const MCSection *OldSection = getStreamer().getCurrentSection();
   const MCSection *Comment =
-    getContext().getELFSection(".comment", MCSectionELF::SHT_PROGBITS,
+    getContext().getELFSection(".comment", ELF::SHT_PROGBITS,
                                MCSectionELF::SHF_MERGE |
                                MCSectionELF::SHF_STRINGS,
                                SectionKind::getReadOnly(),
diff --git a/lib/MC/MCSectionELF.cpp b/lib/MC/MCSectionELF.cpp
index a534897..4a44f5a 100644
--- a/lib/MC/MCSectionELF.cpp
+++ b/lib/MC/MCSectionELF.cpp
@@ -11,7 +11,9 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/ELF.h"
 #include "llvm/Support/raw_ostream.h"
+
 using namespace llvm;
 
 MCSectionELF::~MCSectionELF() {} // anchor.
@@ -84,17 +86,17 @@
   else
     OS << '@';
 
-  if (Type == MCSectionELF::SHT_INIT_ARRAY)
+  if (Type == ELF::SHT_INIT_ARRAY)
     OS << "init_array";
-  else if (Type == MCSectionELF::SHT_FINI_ARRAY)
+  else if (Type == ELF::SHT_FINI_ARRAY)
     OS << "fini_array";
-  else if (Type == MCSectionELF::SHT_PREINIT_ARRAY)
+  else if (Type == ELF::SHT_PREINIT_ARRAY)
     OS << "preinit_array";
-  else if (Type == MCSectionELF::SHT_NOBITS)
+  else if (Type == ELF::SHT_NOBITS)
     OS << "nobits";
-  else if (Type == MCSectionELF::SHT_NOTE)
+  else if (Type == ELF::SHT_NOTE)
     OS << "note";
-  else if (Type == MCSectionELF::SHT_PROGBITS)
+  else if (Type == ELF::SHT_PROGBITS)
     OS << "progbits";
 
   if (EntrySize) {
@@ -110,7 +112,7 @@
 }
 
 bool MCSectionELF::isVirtualSection() const {
-  return getType() == MCSectionELF::SHT_NOBITS;
+  return getType() == ELF::SHT_NOBITS;
 }
 
 // HasCommonSymbols - True if this section holds common symbols, this is