Merging r258416 and r258428:

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

diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 258c40a919ee94c038429c8c2fcf4bee7eecdfc9..04d143ffef66d62deb115db06e2ff3361a6cf048 100644 (file)
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -19,6 +19,7 @@
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCLinkerOptimizationHint.h"
+#include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCWinEH.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/SMLoc.h"
@@ -33,7 +34,6 @@ class MCInst;
 class MCInstPrinter;
 class MCSection;
 class MCStreamer;
-class MCSymbol;
 class MCSymbolELF;
 class MCSymbolRefExpr;
 class MCSubtargetInfo;
@@ -131,10 +131,14 @@ public:
 
   void finish() override;
 
+  /// Reset any state between object emissions, i.e. the equivalent of
+  /// MCStreamer's reset method.
+  virtual void reset();
+
   /// Callback used to implement the ldr= pseudo.
   /// Add a new entry to the constant pool for the current section and return an
   /// MCExpr that can be used to refer to the constant pool location.
-  const MCExpr *addConstantPoolEntry(const MCExpr *);
+  const MCExpr *addConstantPoolEntry(const MCExpr *, SMLoc Loc);
 
   /// Callback used to implemnt the .ltorg directive.
   /// Emit contents of constant pool for the current section.
@@ -567,7 +571,7 @@ public:
 
   /// \brief Emit NumBytes worth of zeros.
   /// This function properly handles data in virtual sections.
-  virtual void EmitZeros(uint64_t NumBytes);
+  void EmitZeros(uint64_t NumBytes);
 
   /// \brief Emit some number of copies of \p Value until the byte alignment \p
   /// ByteAlignment is reached.
@@ -611,9 +615,7 @@ public:
   /// \param Offset - The offset to reach. This may be an expression, but the
   /// expression must be associated with the current section.
   /// \param Value - The value to use when filling bytes.
-  /// \return false on success, true if the offset was invalid.
-  virtual bool EmitValueToOffset(const MCExpr *Offset,
-                                 unsigned char Value = 0);
+  virtual void emitValueToOffset(const MCExpr *Offset, unsigned char Value = 0);
 
   /// @}
 
@@ -684,6 +686,14 @@ public:
 
   virtual void EmitSyntaxDirective();
 
+  /// \brief Emit a .reloc directive.
+  /// Returns true if the relocation could not be emitted because Name is not
+  /// known.
+  virtual bool EmitRelocDirective(const MCExpr &Offset, StringRef Name,
+                                  const MCExpr *Expr, SMLoc Loc) {
+    return true;
+  }
+
   /// \brief Emit the given \p Instruction into the current section.
   virtual void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI);
 
@@ -706,9 +716,6 @@ public:
   /// the hasRawTextSupport() predicate.  By default this aborts.
   void EmitRawText(const Twine &String);
 
-  /// \brief Causes any cached state to be written out.
-  virtual void Flush() {}
-
   /// \brief Streamer specific finalization.
   virtual void FinishImpl();
   /// \brief Finish emission of machine code.