X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86JITInfo.h;h=238420c236b1d247b2af38aaa69e48a4eda7b7ea;hb=1292c226458b68a119d3a387a0527f453b2065c2;hp=bce6e95a56341f6e8e974a713740c018c310e59a;hpb=1e60a9165dc4d6ce5650dacc026f2942696af920;p=oota-llvm.git

diff --git a/lib/Target/X86/X86JITInfo.h b/lib/Target/X86/X86JITInfo.h
index bce6e95a563..238420c236b 100644
--- a/lib/Target/X86/X86JITInfo.h
+++ b/lib/Target/X86/X86JITInfo.h
@@ -1,10 +1,10 @@
 //===- X86JITInfo.h - X86 implementation of the 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the X86 implementation of the TargetJITInfo class.
@@ -14,33 +14,67 @@
 #ifndef X86JITINFO_H
 #define X86JITINFO_H
 
+#include "llvm/Function.h"
+#include "llvm/CodeGen/JITCodeEmitter.h"
 #include "llvm/Target/TargetJITInfo.h"
 
 namespace llvm {
-  class TargetMachine;
+  class X86TargetMachine;
+  class X86Subtarget;
+
   class X86JITInfo : public TargetJITInfo {
-    TargetMachine &TM;
+    X86TargetMachine &TM;
+    const X86Subtarget *Subtarget;
+    uintptr_t PICBase;
+    char* TLSOffset;
   public:
-    X86JITInfo(TargetMachine &tm) : TM(tm) {}
+    explicit X86JITInfo(X86TargetMachine &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);
+    virtual void replaceMachineCodeForFunction(void *Old, void *New);
+
+    /// emitGlobalValueIndirectSym - Use the specified JITCodeEmitter object
+    /// to emit an indirect symbol which contains the address of the specified
+    /// ptr.
+    virtual void *emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
+                                             JITCodeEmitter &JCE);
+
+    // getStubLayout - Returns the size and alignment of the largest call stub
+    // on X86.
+    virtual StubLayout getStubLayout();
+
+    /// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
+    /// small native function that simply calls the function at the specified
+    /// address.
+    virtual void *emitFunctionStub(const Function* F, void *Target,
+                                   JITCodeEmitter &JCE);
+
+    /// getPICJumpTableEntry - Returns the value of the jumptable entry for the
+    /// specific basic block.
+    virtual uintptr_t getPICJumpTableEntry(uintptr_t BB, uintptr_t JTBase);
+
+    /// getLazyResolverFunction - Expose the lazy resolver to the JIT.
+    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, unsigned char* GOTBase);
     
-    /// 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);
+    /// allocateThreadLocalMemory - Each target has its own way of
+    /// handling thread local variables. This method returns a value only
+    /// meaningful to the target.
+    virtual char* allocateThreadLocalMemory(size_t size);
+
+    /// setPICBase / getPICBase - Getter / setter of PICBase, used to compute
+    /// PIC jumptable entry.
+    void setPICBase(uintptr_t Base) { PICBase = Base; }
+    uintptr_t getPICBase() const { return PICBase; }
   };
 }