Parsing and plumbing for .cfi_sections.

[oota-llvm.git] / include / llvm / MC / MCExpr.h

diff --git a/include/llvm/MC/MCExpr.h b/include/llvm/MC/MCExpr.h
index da3cebe414e623e93d78fe5bfad0ce9241605857..521fde6982b52ea046226af5b3844a0fbcef02f7 100644 (file)
--- a/include/llvm/MC/MCExpr.h
+++ b/include/llvm/MC/MCExpr.h
@@ -19,6 +19,7 @@ class MCAsmInfo;
 class MCAsmLayout;
 class MCAssembler;
 class MCContext;
+class MCSection;
 class MCSectionData;
 class MCSymbol;
 class MCValue;
@@ -90,7 +91,13 @@ public:
   /// @param Res - The relocatable value, if evaluation succeeds.
   /// @param Layout - The assembler layout object to use for evaluating values.
   /// @result - True on success.
-  bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout *Layout = 0) const;
+  bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout &Layout) const;
+
+  /// FindAssociatedSection - Find the "associated section" for this expression,
+  /// which is currently defined as the absolute section for constants, or
+  /// otherwise the section associated with the first defined symbol in the
+  /// expression.
+  const MCSection *FindAssociatedSection() const;
 
   /// @}
 
@@ -155,8 +162,6 @@ public:
     VK_TPOFF,
     VK_DTPOFF,
     VK_TLVP,      // Mach-O thread local variable relocation
-    VK_ARM_HI16,  // The R_ARM_MOVT_ABS relocation (:upper16: in the .s file)
-    VK_ARM_LO16,  // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the .w file)
     // FIXME: We'd really like to use the generic Kinds listed above for these.
     VK_ARM_PLT,   // ARM-style PLT references. i.e., (PLT) instead of @PLT
     VK_ARM_TLSGD, //   ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF
@@ -164,7 +169,7 @@ public:
     VK_ARM_GOTOFF,
     VK_ARM_TPOFF,
     VK_ARM_GOTTPOFF,
-    
+
     VK_PPC_TOC,
     VK_PPC_HA16,  // ha16(symbol)
     VK_PPC_LO16   // lo16(symbol)
@@ -192,7 +197,7 @@ public:
                                        MCContext &Ctx);
   static const MCSymbolRefExpr *Create(StringRef Name, VariantKind Kind,
                                        MCContext &Ctx);
-  
+
   /// @}
   /// @name Accessors
   /// @{
@@ -421,7 +426,8 @@ public:
   virtual void PrintImpl(raw_ostream &OS) const = 0;
   virtual bool EvaluateAsRelocatableImpl(MCValue &Res,
                                          const MCAsmLayout *Layout) const = 0;
-
+  virtual void AddValueSymbols(MCAssembler *) const = 0;
+  virtual const MCSection *FindAssociatedSection() const = 0;
 
   static bool classof(const MCExpr *E) {
     return E->getKind() == MCExpr::Target;