1. Support standard dwarf format (was bootstrapping in Apple format.)

2. Add vector support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28807 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 32 insertions, 15 deletions

diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 3aadd97..7805bbc 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1265,7 +1265,7 @@ DIE *DwarfWriter::NewType(DIE *Context, TypeDesc *TyDesc, CompileUnit *Unit) {
     // Fundamental types like int, float, bool
     Slot = Ty = new DIE(DW_TAG_base_type);
     unsigned Encoding = BasicTy->getEncoding();
-    Ty->AddUInt  (DW_AT_encoding,  DW_FORM_data1, Encoding);
+    Ty->AddUInt(DW_AT_encoding,  DW_FORM_data1, Encoding);
   } else if (DerivedTypeDesc *DerivedTy = dyn_cast<DerivedTypeDesc>(TyDesc)) {
     // Create specific DIE.
     Slot = Ty = new DIE(DerivedTy->getTag());
@@ -1287,6 +1287,12 @@ DIE *DwarfWriter::NewType(DIE *Context, TypeDesc *TyDesc, CompileUnit *Unit) {
         Ty->AddDIEntry(DW_AT_type, DW_FORM_ref4,
                        NewType(Context, FromTy, Unit));
       }
+      
+      // check for vector type
+      if (CompTy->isVector()) {
+        Ty->AddUInt(DW_AT_GNU_vector, DW_FORM_flag, 1);
+      }
+      
       // Don't emit size attribute.
       Size = 0;
       
@@ -1419,7 +1425,8 @@ CompileUnit *DwarfWriter::NewCompileUnit(CompileUnitDesc *UnitDesc,
                                          unsigned ID) {
   // Construct debug information entry.
   DIE *Die = new DIE(DW_TAG_compile_unit);
-  Die->AddLabel (DW_AT_stmt_list, DW_FORM_data4,  DWLabel("line", 0));
+  Die->AddDelta (DW_AT_stmt_list, DW_FORM_data4,  DWLabel("line", 0),
+                                                  DWLabel("section_line", 0));
   Die->AddLabel (DW_AT_high_pc,   DW_FORM_addr,   DWLabel("text_end", 0));
   Die->AddLabel (DW_AT_low_pc,    DW_FORM_addr,   DWLabel("text_begin", 0));
   Die->AddString(DW_AT_producer,  DW_FORM_string, UnitDesc->getProducer());
@@ -1842,7 +1849,7 @@ void DwarfWriter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
         int stackGrowth =
             Asm->TM.getFrameInfo()->getStackGrowthDirection() ==
               TargetFrameInfo::StackGrowsUp ?
-            AddressSize : -AddressSize;
+                AddressSize : -AddressSize;
         
         EmitULEB128Bytes(Src.getOffset() / stackGrowth);
         EOL("Offset");
@@ -1875,7 +1882,8 @@ void DwarfWriter::EmitDebugInfo() const {
                              
       EmitInt32(ContentSize);  EOL("Length of Compilation Unit Info");
       EmitInt16(DWARF_VERSION); EOL("DWARF version number");
-      EmitReference("abbrev_begin", 0); EOL("Offset Into Abbrev. Section");
+      EmitDifference("abbrev_begin", 0, "section_abbrev", 0);
+      EOL("Offset Into Abbrev. Section");
       EmitInt8(AddressSize); EOL("Address Size (in bytes)");
     
       EmitDIE(Die);
diff --git a/lib/CodeGen/MachineDebugInfo.cpp b/lib/CodeGen/MachineDebugInfo.cpp
index fcdf30d..a3013e9 100644
--- a/lib/CodeGen/MachineDebugInfo.cpp
+++ b/lib/CodeGen/MachineDebugInfo.cpp
@@ -817,6 +817,7 @@ void DerivedTypeDesc::dump() {
 
 CompositeTypeDesc::CompositeTypeDesc(unsigned T)
 : DerivedTypeDesc(T)
+, IsVector(false)
 , Elements()
 {}
   
@@ -839,6 +840,7 @@ bool CompositeTypeDesc::classof(const DebugInfoDesc *D) {
 void CompositeTypeDesc::ApplyToFields(DIVisitor *Visitor) {
   DerivedTypeDesc::ApplyToFields(Visitor);
   
+  Visitor->Apply(IsVector);
   Visitor->Apply(Elements);
 }
 
diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp
index 1f2eef4..409eadd 100644
--- a/lib/Support/Dwarf.cpp
+++ b/lib/Support/Dwarf.cpp
@@ -188,6 +188,13 @@ const char *AttributeString(unsigned Attribute) {
     case DW_AT_elemental:                  return "AT_elemental";
     case DW_AT_pure:                       return "AT_pure";
     case DW_AT_recursive:                  return "AT_recursive";
+    case DW_AT_sf_names:                   return "AT_sf_names";
+    case DW_AT_src_info:                   return "AT_src_info";
+    case DW_AT_mac_info:                   return "AT_mac_info";
+    case DW_AT_src_coords:                 return "AT_src_coords";
+    case DW_AT_body_begin:                 return "AT_body_begin";
+    case DW_AT_body_end:                   return "AT_body_end";
+    case DW_AT_GNU_vector:                 return "AT_GNU_vector";
     case DW_AT_lo_user:                    return "AT_lo_user";
     case DW_AT_hi_user:                    return "AT_hi_user";
   }
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 44ab7f8..6d78a5d 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -246,17 +246,17 @@ namespace {
     : DwarfWriter(o, ap)
     {
       needsSet = true;
-      DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev";
-      DwarfInfoSection = ".section __DWARFA,__debug_info";
-      DwarfLineSection = ".section __DWARFA,__debug_line";
-      DwarfFrameSection = ".section __DWARFA,__debug_frame";
-      DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames";
-      DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes";
-      DwarfStrSection = ".section __DWARFA,__debug_str";
-      DwarfLocSection = ".section __DWARFA,__debug_loc";
-      DwarfARangesSection = ".section __DWARFA,__debug_aranges";
-      DwarfRangesSection = ".section __DWARFA,__debug_ranges";
-      DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo";
+      DwarfAbbrevSection = ".section __DWARF,__debug_abbrev";
+      DwarfInfoSection = ".section __DWARF,__debug_info";
+      DwarfLineSection = ".section __DWARF,__debug_line";
+      DwarfFrameSection = ".section __DWARF,__debug_frame";
+      DwarfPubNamesSection = ".section __DWARF,__debug_pubnames";
+      DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes";
+      DwarfStrSection = ".section __DWARF,__debug_str";
+      DwarfLocSection = ".section __DWARF,__debug_loc";
+      DwarfARangesSection = ".section __DWARF,__debug_aranges";
+      DwarfRangesSection = ".section __DWARF,__debug_ranges";
+      DwarfMacInfoSection = ".section __DWARF,__debug_macinfo";
       TextSection = ".text";
       DataSection = ".data";
     }