ARM64: initial backend import

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

diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index 506e555e4857293d1100148134c438d83b7574c7..34b760c46ee69d14a5ccc375ff713b745e1bb931 100644 (file)
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -18,6 +18,7 @@
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCFixup.h"
 #include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCLinkerOptimizationHint.h"
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/DataTypes.h"
@@ -932,6 +933,10 @@ private:
   // which flags to be set.
   unsigned ELFHeaderEFlags;
 
+  /// Used to communicate Linker Optimization Hint information between
+  /// the Streamer and the .o writer
+  MCLOHContainer LOHContainer;
+
   VersionMinInfoType VersionMinInfo;
 private:
   /// Evaluate a fixup to a relocatable expression and the value which should be
@@ -979,8 +984,8 @@ private:
   /// finishLayout - Finalize a layout, including fragment lowering.
   void finishLayout(MCAsmLayout &Layout);
 
-  uint64_t handleFixup(const MCAsmLayout &Layout,
-                       MCFragment &F, const MCFixup &Fixup);
+  std::pair<uint64_t, bool> handleFixup(const MCAsmLayout &Layout,
+                                        MCFragment &F, const MCFixup &Fixup);
 
 public:
   /// Compute the effective fragment size assuming it is laid out at the given
@@ -1174,6 +1179,19 @@ public:
 
   size_t data_region_size() const { return DataRegions.size(); }
 
+  /// @}
+  /// @name Data Region List Access
+  /// @{
+
+  // FIXME: This is a total hack, this should not be here. Once things are
+  // factored so that the streamer has direct access to the .o writer, it can
+  // disappear.
+  MCLOHContainer & getLOHContainer() {
+    return LOHContainer;
+  }
+  const MCLOHContainer & getLOHContainer() const {
+    return const_cast<MCAssembler *>(this)->getLOHContainer();
+  }
   /// @}
   /// @name Backend Data Access
   /// @{