X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCSection.h;h=8aec9c82e3281c19f264f13d3101d3cec967bc4c;hb=66981fe20809820e30dc19ea37ff7487eb67a96f;hp=5c997357c9d3818db320a29d5940760009a33b57;hpb=dd2ad8432f104282ff43c94457f474ea0a264175;p=oota-llvm.git

diff --git a/include/llvm/MC/MCSection.h b/include/llvm/MC/MCSection.h
index 5c997357c9d..8aec9c82e32 100644
--- a/include/llvm/MC/MCSection.h
+++ b/include/llvm/MC/MCSection.h
@@ -14,14 +14,13 @@
 #ifndef LLVM_MC_MCSECTION_H
 #define LLVM_MC_MCSECTION_H
 
-#include <string>
 #include "llvm/ADT/StringRef.h"
 #include "llvm/MC/SectionKind.h"
-#include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
 
 namespace llvm {
-  class MCContext;
   class MCAsmInfo;
+  class MCExpr;
   class raw_ostream;
 
   /// MCSection - Instances of this class represent a uniqued identifier for a
@@ -32,13 +31,12 @@ namespace llvm {
     enum SectionVariant {
       SV_COFF = 0,
       SV_ELF,
-      SV_MachO,
-      SV_PIC16
+      SV_MachO
     };
 
   private:
-    MCSection(const MCSection&);      // DO NOT IMPLEMENT
-    void operator=(const MCSection&); // DO NOT IMPLEMENT
+    MCSection(const MCSection&) = delete;
+    void operator=(const MCSection&) = delete;
   protected:
     MCSection(SectionVariant V, SectionKind K) : Variant(V), Kind(K) {}
     SectionVariant Variant;
@@ -51,7 +49,13 @@ namespace llvm {
     SectionVariant getVariant() const { return Variant; }
 
     virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
-                                      raw_ostream &OS) const = 0;
+                                      raw_ostream &OS,
+                                      const MCExpr *Subsection) const = 0;
+
+    // Convenience routines to get label names for the beginning/end of a
+    // section.
+    virtual std::string getLabelBeginName() const = 0;
+    virtual std::string getLabelEndName() const = 0;
 
     /// isBaseAddressKnownZero - Return true if we know that this section will
     /// get a base address of zero.  In cases where we know that this is true we
@@ -61,7 +65,13 @@ namespace llvm {
       return false;
     }
 
-    static bool classof(const MCSection *) { return true; }
+    // UseCodeAlign - Return true if a .align directive should use
+    // "optimized nops" to fill instead of 0s.
+    virtual bool UseCodeAlign() const = 0;
+
+    /// isVirtualSection - Check whether this section is "virtual", that is
+    /// has no actual object file contents.
+    virtual bool isVirtualSection() const = 0;
   };
 
 } // end namespace llvm