Added SMS for superblocks as an option (experimental)

[oota-llvm.git] / lib / Target / SparcV9 / SparcV9JITInfo.h

diff --git a/lib/Target/SparcV9/SparcV9JITInfo.h b/lib/Target/SparcV9/SparcV9JITInfo.h
index b667c5599e4ec7d2a1d17fa756030daa3b8a578a..09544d9d9d457aaf946bfd580750ba7749362b69 100644 (file)
--- a/lib/Target/SparcV9/SparcV9JITInfo.h
+++ b/lib/Target/SparcV9/SparcV9JITInfo.h
@@ -1,47 +1,61 @@
-//===- SparcJITInfo.h - Sparc implementation of the JIT interface -*-C++-*-===//
-// 
+//===- SparcV9JITInfo.h - SparcV9 Target JIT interface ----------*- C++ -*-===//
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
-// This file contains the Sparc implementation of the TargetJITInfo class.
+// This file contains the SparcV9 implementation of the TargetJITInfo class,
+// which makes target-specific hooks available to the target-independent
+// LLVM JIT compiler.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SPARCJITINFO_H
-#define SPARCJITINFO_H
+#ifndef SPARCV9JITINFO_H
+#define SPARCV9JITINFO_H
 
 #include "llvm/Target/TargetJITInfo.h"
 
 namespace llvm {
   class TargetMachine;
 
-  class SparcJITInfo : public TargetJITInfo {
+  class SparcV9JITInfo : public TargetJITInfo {
     TargetMachine &TM;
   public:
-    SparcJITInfo(TargetMachine &tm) : TM(tm) {}
+    SparcV9JITInfo(TargetMachine &tm) : TM(tm) {}
 
     /// addPassesToJITCompile - Add passes to the specified pass manager to
     /// implement a fast dynamic compiler for this target.  Return true if this
     /// is not supported for this target.
     ///
     virtual void addPassesToJITCompile(FunctionPassManager &PM);
-    
+
     /// replaceMachineCodeForFunction - Make it so that calling the function
     /// whose machine code is at OLD turns into a call to NEW, perhaps by
     /// overwriting OLD with a branch to NEW.  This is used for self-modifying
     /// code.
     ///
     virtual void replaceMachineCodeForFunction (void *Old, void *New);
-    
-    /// getJITStubForFunction - Create or return a stub for the specified
-    /// function.  This stub acts just like the specified function, except that
-    /// it allows the "address" of the function to be taken without having to
-    /// generate code for it.
-    //virtual void *getJITStubForFunction(Function *F, MachineCodeEmitter &MCE);
+
+
+    /// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
+    /// small native function that simply calls the function at the specified
+    /// address.  Return the address of the resultant function.
+    virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
+
+    /// getLazyResolverFunction - This method is used to initialize the JIT,
+    /// giving the target the function that should be used to compile a
+    /// function, and giving the JIT the target function used to do the lazy
+    /// resolving.
+    virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
+
+    /// relocate - Before the JIT can run a block of code that has been emitted,
+    /// it must rewrite the code to contain the actual addresses of any
+    /// referenced global symbols.
+    virtual void relocate(void *Function, MachineRelocation *MR,
+                          unsigned NumRelocs);
   };
 }