9 files changed, 80 insertions, 52 deletions

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index bfd0e37924..05761d1647 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -96,7 +96,7 @@ bool AsmPrinter::doInitialization(Module &M) {
       << "\n" << TAI->getCommentString()
       << " End of file scope inline assembly\n";
 
-  SwitchToDataSection("", 0);   // Reset back to no section.
+  SwitchToDataSection("");   // Reset back to no section.
   
   if (MachineDebugInfo *DebugInfo = getAnalysisToUpdate<MachineDebugInfo>()) {
     DebugInfo->AnalyzeModule(M);
@@ -160,7 +160,7 @@ void AsmPrinter::EmitConstantPool(unsigned Alignment, const char *Section,
                std::vector<std::pair<MachineConstantPoolEntry,unsigned> > &CP) {
   if (CP.empty()) return;
 
-  SwitchToDataSection(Section, 0);
+  SwitchToDataSection(Section);
   EmitAlignment(Alignment);
   for (unsigned i = 0, e = CP.size(); i != e; ++i) {
     O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
@@ -203,7 +203,7 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
   if (TM.getRelocationModel() == Reloc::PIC_) {
     TargetLowering *LoweringInfo = TM.getTargetLowering();
     if (LoweringInfo && LoweringInfo->usesGlobalOffsetTable()) {
-      SwitchToDataSection(TAI->getJumpTableDataSection(), 0);
+      SwitchToDataSection(TAI->getJumpTableDataSection());
       if (TD->getPointerSize() == 8 && !JTEntryDirective)
         JTEntryDirective = TAI->getData64bitsDirective();
     } else {      
@@ -213,7 +213,7 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
       SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
     }
   } else {
-    SwitchToDataSection(TAI->getJumpTableDataSection(), 0);
+    SwitchToDataSection(TAI->getJumpTableDataSection());
     if (TD->getPointerSize() == 8)
       JTEntryDirective = TAI->getData64bitsDirective();
   }
@@ -279,14 +279,14 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
   }
 
   if (GV->getName() == "llvm.global_ctors" && GV->use_empty()) {
-    SwitchToDataSection(TAI->getStaticCtorsSection(), 0);
+    SwitchToDataSection(TAI->getStaticCtorsSection());
     EmitAlignment(2, 0);
     EmitXXStructorList(GV->getInitializer());
     return true;
   } 
   
   if (GV->getName() == "llvm.global_dtors" && GV->use_empty()) {
-    SwitchToDataSection(TAI->getStaticDtorsSection(), 0);
+    SwitchToDataSection(TAI->getStaticDtorsSection());
     EmitAlignment(2, 0);
     EmitXXStructorList(GV->getInitializer());
     return true;
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 983d8f5182..7bec4d3cc4 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -2176,30 +2176,30 @@ void Dwarf::EmitInitial() {
   
   // Dwarf sections base addresses.
   if (TAI->getDwarfRequiresFrameSection()) {
-    Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
+    Asm->SwitchToDataSection(TAI->getDwarfFrameSection());
     EmitLabel("section_frame", 0);
   }
-  Asm->SwitchToDataSection(TAI->getDwarfInfoSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfInfoSection());
   EmitLabel("section_info", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection());
   EmitLabel("section_abbrev", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfARangesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfARangesSection());
   EmitLabel("section_aranges", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection());
   EmitLabel("section_macinfo", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfLineSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfLineSection());
   EmitLabel("section_line", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfLocSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfLocSection());
   EmitLabel("section_loc", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection());
   EmitLabel("section_pubnames", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfStrSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfStrSection());
   EmitLabel("section_str", 0);
-  Asm->SwitchToDataSection(TAI->getDwarfRangesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfRangesSection());
   EmitLabel("section_ranges", 0);
-  Asm->SwitchToTextSection(TAI->getTextSection(), 0);
+  Asm->SwitchToTextSection(TAI->getTextSection());
   EmitLabel("text_begin", 0);
-  Asm->SwitchToDataSection(TAI->getDataSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDataSection());
   EmitLabel("data_begin", 0);
 
   // Emit common frame information.
@@ -2408,7 +2408,7 @@ void Dwarf::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
 ///
 void Dwarf::EmitDebugInfo() const {
   // Start debug info section.
-  Asm->SwitchToDataSection(TAI->getDwarfInfoSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfInfoSection());
   
   // Process each compile unit.
   for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) {
@@ -2444,7 +2444,7 @@ void Dwarf::EmitAbbreviations() const {
   // Check to see if it is worth the effort.
   if (!Abbreviations.empty()) {
     // Start the debug abbrev section.
-    Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection(), 0);
+    Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection());
     
     EmitLabel("abbrev_begin", 0);
     
@@ -2477,7 +2477,7 @@ void Dwarf::EmitDebugLines() const {
   const int MaxLineDelta = 255 + MinLineDelta;
 
   // Start the dwarf line section.
-  Asm->SwitchToDataSection(TAI->getDwarfLineSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfLineSection());
   
   // Construct the section header.
   
@@ -2636,7 +2636,7 @@ void Dwarf::EmitInitialDebugFrame() {
       TAI->getAddressSize() : -TAI->getAddressSize();
 
   // Start the dwarf frame section.
-  Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfFrameSection());
 
   EmitLabel("frame_common", 0);
   EmitDifference("frame_common_end", 0,
@@ -2669,7 +2669,7 @@ void Dwarf::EmitFunctionDebugFrame() {
     return;
 
   // Start the dwarf frame section.
-  Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfFrameSection());
   
   EmitDifference("frame_end", SubprogramCount,
                  "frame_begin", SubprogramCount);
@@ -2699,7 +2699,7 @@ void Dwarf::EmitFunctionDebugFrame() {
 ///
 void Dwarf::EmitDebugPubNames() {
   // Start the dwarf pubnames section.
-  Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection());
     
   // Process each compile unit.
   for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) {
@@ -2746,7 +2746,7 @@ void Dwarf::EmitDebugStr() {
   // Check to see if it is worth the effort.
   if (!StringPool.empty()) {
     // Start the dwarf str section.
-    Asm->SwitchToDataSection(TAI->getDwarfStrSection(), 0);
+    Asm->SwitchToDataSection(TAI->getDwarfStrSection());
     
     // For each of strings in the string pool.
     for (unsigned StringID = 1, N = StringPool.size();
@@ -2766,7 +2766,7 @@ void Dwarf::EmitDebugStr() {
 ///
 void Dwarf::EmitDebugLoc() {
   // Start the dwarf loc section.
-  Asm->SwitchToDataSection(TAI->getDwarfLocSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfLocSection());
   
   O << "\n";
 }
@@ -2775,7 +2775,7 @@ void Dwarf::EmitDebugLoc() {
 ///
 void Dwarf::EmitDebugARanges() {
   // Start the dwarf aranges section.
-  Asm->SwitchToDataSection(TAI->getDwarfARangesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfARangesSection());
   
   // FIXME - Mock up
 #if 0
@@ -2816,7 +2816,7 @@ void Dwarf::EmitDebugARanges() {
 ///
 void Dwarf::EmitDebugRanges() {
   // Start the dwarf ranges section.
-  Asm->SwitchToDataSection(TAI->getDwarfRangesSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfRangesSection());
   
   O << "\n";
 }
@@ -2825,7 +2825,7 @@ void Dwarf::EmitDebugRanges() {
 ///
 void Dwarf::EmitDebugMacInfo() {
   // Start the dwarf macinfo section.
-  Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection());
   
   O << "\n";
 }
@@ -2939,14 +2939,14 @@ void Dwarf::EndModule() {
   EOL("Dwarf End Module");
   
   // Standard sections final addresses.
-  Asm->SwitchToTextSection(TAI->getTextSection(), 0);
+  Asm->SwitchToTextSection(TAI->getTextSection());
   EmitLabel("text_end", 0);
-  Asm->SwitchToDataSection(TAI->getDataSection(), 0);
+  Asm->SwitchToDataSection(TAI->getDataSection());
   EmitLabel("data_end", 0);
   
   // End text sections.
   for (unsigned i = 1, N = SectionMap.size(); i <= N; ++i) {
-    Asm->SwitchToTextSection(SectionMap[i].c_str(), 0);
+    Asm->SwitchToTextSection(SectionMap[i].c_str());
     EmitLabel("section_end", i);
   }
   
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 21c2f740af..aafc7825f4 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -577,7 +577,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
     for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
          i != e; ++i) {
       SwitchToTextSection(".section __TEXT,__picsymbolstub1,symbol_stubs,"
-                          "pure_instructions,32", 0);
+                          "pure_instructions,32");
       EmitAlignment(4);
       O << "L" << *i << "$stub:\n";
       O << "\t.indirect_symbol " << *i << "\n";
@@ -593,7 +593,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
         O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
       O << "\tmtctr r12\n";
       O << "\tbctr\n";
-      SwitchToDataSection(".lazy_symbol_pointer", 0);
+      SwitchToDataSection(".lazy_symbol_pointer");
       O << "L" << *i << "$lazy_ptr:\n";
       O << "\t.indirect_symbol " << *i << "\n";
       if (isPPC64)
@@ -605,7 +605,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
     for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
          i != e; ++i) {
       SwitchToTextSection(".section __TEXT,__symbol_stub1,symbol_stubs,"
-                          "pure_instructions,16", 0);
+                          "pure_instructions,16");
       EmitAlignment(4);
       O << "L" << *i << "$stub:\n";
       O << "\t.indirect_symbol " << *i << "\n";
@@ -616,7 +616,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
         O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr)(r11)\n";
       O << "\tmtctr r12\n";
       O << "\tbctr\n";
-      SwitchToDataSection(".lazy_symbol_pointer", 0);
+      SwitchToDataSection(".lazy_symbol_pointer");
       O << "L" << *i << "$lazy_ptr:\n";
       O << "\t.indirect_symbol " << *i << "\n";
       if (isPPC64)
@@ -630,7 +630,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
 
   // Output stubs for external and common global variables.
   if (GVStubs.begin() != GVStubs.end()) {
-    SwitchToDataSection(".non_lazy_symbol_pointer", 0);
+    SwitchToDataSection(".non_lazy_symbol_pointer");
     for (std::set<std::string>::iterator I = GVStubs.begin(),
          E = GVStubs.end(); I != E; ++I) {
       O << "L" << *I << "$non_lazy_ptr:\n";
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index 42af5b69ac..d6199dc0e9 100755
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -52,7 +52,9 @@ std::string X86ATTAsmPrinter::getSectionForFunction(const Function &F) const {
 /// method to print assembly for each instruction.
 ///
 bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
+  if (Subtarget->isTargetDarwin() ||
+      Subtarget->isTargetELF() ||
+      Subtarget->isTargetCygwin()) {
     // Let PassManager know we need debug information and relay
     // the MachineDebugInfo address on to DwarfWriter.
     DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
@@ -111,7 +113,9 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
        F->getLinkage() == Function::WeakLinkage))
     O << "_llvm$workaround$fake$stub_" << CurrentFnName << ":\n";
 
-  if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
+  if (Subtarget->isTargetDarwin() ||
+      Subtarget->isTargetELF() ||
+      Subtarget->isTargetCygwin()) {
     // Emit pre-function debug information.
     DW.BeginFunction(&MF);
   }
@@ -141,7 +145,9 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   if (TAI->hasDotTypeDotSizeDirective())
     O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
 
-  if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
+  if (Subtarget->isTargetDarwin() ||
+      Subtarget->isTargetELF() ||
+      Subtarget->isTargetCygwin()) {
     // Emit post-function debug information.
     DW.EndFunction();
   }
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 9ef0ad1027..41ce91a1a3 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -116,7 +116,7 @@ bool X86SharedAsmPrinter::doInitialization(Module &M) {
 
     // Emit initial debug information.
     DW.BeginModule(&M);
-  } else if (Subtarget->isTargetELF()) {
+  } else if (Subtarget->isTargetELF() || Subtarget->isTargetCygwin()) {
     // Emit initial debug information.
     DW.BeginModule(&M);
   }
@@ -253,7 +253,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
   
   // Output linker support code for dllexported globals
   if (DLLExportedGVs.begin() != DLLExportedGVs.end()) {
-    SwitchToDataSection(".section .drectve", 0);    
+    SwitchToDataSection(".section .drectve");
   }
 
   for (std::set<std::string>::iterator i = DLLExportedGVs.begin(),
@@ -263,7 +263,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
   }    
 
   if (DLLExportedFns.begin() != DLLExportedFns.end()) {
-    SwitchToDataSection(".section .drectve", 0);    
+    SwitchToDataSection(".section .drectve");
   }
 
   for (std::set<std::string>::iterator i = DLLExportedFns.begin(),
@@ -273,7 +273,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
   }    
  
   if (Subtarget->isTargetDarwin()) {
-    SwitchToDataSection("", 0);
+    SwitchToDataSection("");
 
     // Output stubs for dynamically-linked functions
     unsigned j = 1;
@@ -291,7 +291,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
     // Output stubs for external and common global variables.
     if (GVStubs.begin() != GVStubs.end())
       SwitchToDataSection(
-                    ".section __IMPORT,__pointers,non_lazy_symbol_pointers", 0);
+                    ".section __IMPORT,__pointers,non_lazy_symbol_pointers");
     for (std::set<std::string>::iterator i = GVStubs.begin(), e = GVStubs.end();
          i != e; ++i) {
       O << "L" << *i << "$non_lazy_ptr:\n";
@@ -308,7 +308,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
     // linker can safely perform dead code stripping.  Since LLVM never
     // generates code that does this, it is always safe to set.
     O << "\t.subsections_via_symbols\n";
-  } else if (Subtarget->isTargetELF()) {
+  } else if (Subtarget->isTargetELF() || Subtarget->isTargetCygwin()) {
     // Emit final debug information.
     DW.EndModule();
   }
diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
index b2fbe0529c..3503e37c0b 100755
--- a/lib/Target/X86/X86AsmPrinter.h
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -67,7 +67,9 @@ struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
 
   void getAnalysisUsage(AnalysisUsage &AU) const {
     AU.setPreservesAll();
-    if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
+    if (Subtarget->isTargetDarwin() ||
+        Subtarget->isTargetELF() ||
+        Subtarget->isTargetCygwin()) {
       AU.addRequired<MachineDebugInfo>();
     }
     MachineFunctionPass::getAnalysisUsage(AU);
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6de5032ff3..96ab93949d 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -219,7 +219,9 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
   setOperationAction(ISD::LOCATION, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
   // FIXME - use subtarget debug flags
-  if (!Subtarget->isTargetDarwin() && !Subtarget->isTargetELF())
+  if (!Subtarget->isTargetDarwin() &&
+      !Subtarget->isTargetELF() &&
+      !Subtarget->isTargetCygwin())
     setOperationAction(ISD::DEBUG_LABEL, MVT::Other, Expand);
 
   // VASTART needs to be custom lowered to use the VarArgsFrameIndex
diff --git a/lib/Target/X86/X86IntelAsmPrinter.cpp b/lib/Target/X86/X86IntelAsmPrinter.cpp
index 11caea9dbe..7b2396345c 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/X86IntelAsmPrinter.cpp
@@ -393,14 +393,14 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
     switch (I->getLinkage()) {
     case GlobalValue::LinkOnceLinkage:
     case GlobalValue::WeakLinkage:
-      SwitchToDataSection("", 0);
+      SwitchToDataSection("");
       O << name << "?\tsegment common 'COMMON'\n";
       bCustomSegment = true;
       // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
       // are also available.
       break;
     case GlobalValue::AppendingLinkage:
-      SwitchToDataSection("", 0);
+      SwitchToDataSection("");
       O << name << "?\tsegment public 'DATA'\n";
       bCustomSegment = true;
       // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
@@ -434,7 +434,7 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
     // Output linker support code for dllexported globals
   if ((DLLExportedGVs.begin() != DLLExportedGVs.end()) ||
       (DLLExportedFns.begin() != DLLExportedFns.end())) {
-    SwitchToDataSection("", 0);
+    SwitchToDataSection("");
     O << "; WARNING: The following code is valid only with MASM v8.x and (possible) higher\n"
       << "; This version of MASM is usually shipped with Microsoft Visual Studio 2005\n"
       << "; or (possible) further versions. Unfortunately, there is no way to support\n"
@@ -461,7 +461,7 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
   
   // Bypass X86SharedAsmPrinter::doFinalization().
   AsmPrinter::doFinalization(M);
-  SwitchToDataSection("", 0);
+  SwitchToDataSection("");
   O << "\tend\n";
   return false; // success
 }
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 93596c04b4..229473c89c 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -90,6 +90,24 @@ X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
     HasDotTypeDotSizeDirective = false;
     StaticCtorsSection = "\t.section .ctors,\"aw\"";
     StaticDtorsSection = "\t.section .dtors,\"aw\"";
+
+    // Set up DWARF directives
+    HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
+    PrivateGlobalPrefix = "L";  // Prefix for private global symbols
+    DwarfRequiresFrameSection = false;
+    DwarfAbbrevSection =  "\t.section\t.debug_abbrev,\"dr\"";
+    DwarfInfoSection =    "\t.section\t.debug_info,\"dr\"";
+    DwarfLineSection =    "\t.section\t.debug_line,\"dr\"";
+    DwarfFrameSection =   "\t.section\t.debug_frame,\"dr\"";
+    DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"dr\"";
+    DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"dr\"";
+    DwarfStrSection =     "\t.section\t.debug_str,\"dr\"";
+    DwarfLocSection =     "\t.section\t.debug_loc,\"dr\"";
+    DwarfARangesSection = "\t.section\t.debug_aranges,\"dr\"";
+    DwarfRangesSection =  "\t.section\t.debug_ranges,\"dr\"";
+    DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"dr\"";
+    break;
+    
     break;
   case X86Subtarget::isWindows:
     GlobalPrefix = "_";