Remove HasCrazyBSS and add a flag in TAI to indicate that '.section'

must be emitted for PowerPC-Linux '.bss' section


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78958 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 9 insertions, 6 deletions

diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h
index 2654025af2..cb0e346a61 100644
--- a/include/llvm/Target/TargetAsmInfo.h
+++ b/include/llvm/Target/TargetAsmInfo.h
@@ -164,6 +164,11 @@ namespace llvm {
     /// Style" syntax for section switching ("#alloc,#write" etc) instead of the
     /// normal ELF syntax (,"a,w") in .section directives.
     bool SunStyleELFSectionSwitchSyntax;   // Defaults to false.
+
+    /// UsesELFSectionDirectiveForBSS - This is true if this target uses ELF
+    /// '.section' directive before the '.bss' one. It's used for PPC/Linux 
+    /// which doesn't support the '.bss' directive only.
+    bool UsesELFSectionDirectiveForBSS;  // Defaults to false.
     
     //===--- Alignment Information ----------------------------------------===//
 
@@ -336,6 +341,9 @@ namespace llvm {
       return SunStyleELFSectionSwitchSyntax;
     }
     
+    bool usesELFSectionDirectiveForBSS() const {
+      return UsesELFSectionDirectiveForBSS;
+    }
 
     // Accessors.
     //
diff --git a/include/llvm/Target/TargetLoweringObjectFile.h b/include/llvm/Target/TargetLoweringObjectFile.h
index 2ee6d72ad4..2264d36df9 100644
--- a/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/include/llvm/Target/TargetLoweringObjectFile.h
@@ -183,7 +183,6 @@ protected:
   
 
 class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
-  bool HasCrazyBSS;
   mutable void *UniquingMap;
 protected:
   /// TLSDataSection - Section directive for Thread Local data.
@@ -209,13 +208,9 @@ protected:
                                  unsigned Flags, SectionKind Kind,
                                  bool IsExplicit = false) const;
 public:
-  TargetLoweringObjectFileELF(// FIXME: REMOVE AFTER UNIQUING IS FIXED.
-                              bool hasCrazyBSS = false)
-    : HasCrazyBSS(hasCrazyBSS), UniquingMap(0) {}
-  
+  TargetLoweringObjectFileELF() : UniquingMap(0) {}
   ~TargetLoweringObjectFileELF();
   
-  
   virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
   
   /// getSectionForConstant - Given a constant with the SectionKind, return a