Change the marker byte for stubs from 0xcd to 0xce (another form of

[oota-llvm.git] / lib / Target / X86 / X86MachineFunctionInfo.h

diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index b5c9cafeca822fd46d2f17af050ae29fee38a714..fafcf7e3d79ac8b49395a42f65842ef7cc0460a1 100644 (file)
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -24,8 +24,8 @@ enum NameDecorationStyle {
   FastCall
 };
   
-/// X86MachineFunctionInfo - This class is derived from MachineFunction private
-/// X86 target-specific information for each MachineFunction.
+/// X86MachineFunctionInfo - This class is derived from MachineFunction and
+/// contains private X86 target-specific information for each MachineFunction.
 class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// ForceFramePointer - True if the function is required to use of frame
   /// pointer for reasons other than it containing dynamic allocation or 
@@ -58,6 +58,11 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// holds the virtual register into which the sret argument is passed.
   unsigned SRetReturnReg;
 
+  /// GlobalBaseReg - keeps track of the virtual register initialized for
+  /// use as the global base register. This is used for PIC in some PIC
+  /// relocation models.
+  unsigned GlobalBaseReg;
+
 public:
   X86MachineFunctionInfo() : ForceFramePointer(false),
                              CalleeSavedFrameSize(0),
@@ -65,15 +70,18 @@ public:
                              DecorationStyle(None),
                              ReturnAddrIndex(0),
                              TailCallReturnAddrDelta(0),
-                             SRetReturnReg(0) {}
+                             SRetReturnReg(0),
+                             GlobalBaseReg(0) {}
   
-  X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false),
-                                                CalleeSavedFrameSize(0),
-                                                BytesToPopOnReturn(0),
-                                                DecorationStyle(None),
-                                                ReturnAddrIndex(0),
-                                                TailCallReturnAddrDelta(0),
-                                                SRetReturnReg(0) {}
+  explicit X86MachineFunctionInfo(MachineFunction &MF)
+    : ForceFramePointer(false),
+      CalleeSavedFrameSize(0),
+      BytesToPopOnReturn(0),
+      DecorationStyle(None),
+      ReturnAddrIndex(0),
+      TailCallReturnAddrDelta(0),
+      SRetReturnReg(0),
+      GlobalBaseReg(0) {}
   
   bool getForceFramePointer() const { return ForceFramePointer;} 
   void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
@@ -95,7 +103,11 @@ public:
 
   unsigned getSRetReturnReg() const { return SRetReturnReg; }
   void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+  unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
+  void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
 };
+
 } // End llvm namespace
 
 #endif