DebugInfo: remove target-specific Frame Index handling for DBG_VALUE MachineInstrs

[oota-llvm.git] / lib / Target / X86 / X86JITInfo.h

diff --git a/lib/Target/X86/X86JITInfo.h b/lib/Target/X86/X86JITInfo.h
index b240674e63947588373c1c0a397af2fabfc70f4a..f916327378a9c483a3321e4f61d83d8ee8a0a613 100644 (file)
--- a/lib/Target/X86/X86JITInfo.h
+++ b/lib/Target/X86/X86JITInfo.h
@@ -1,9 +1,9 @@
-//===- X86JITInfo.h - X86 implementation of the JIT interface  --*- C++ -*-===//
+//===-- 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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -14,22 +14,21 @@
 #ifndef X86JITINFO_H
 #define X86JITINFO_H
 
+#include "llvm/CodeGen/JITCodeEmitter.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Target/TargetJITInfo.h"
 
 namespace llvm {
-  class TargetMachine;
-  class IntrinsicLowering;
+  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) {useGOT = 0;}
-
-    /// 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);
+    explicit X86JITInfo(X86TargetMachine &tm);
 
     /// replaceMachineCodeForFunction - Make it so that calling the function
     /// whose machine code is at OLD turns into a call to NEW, perhaps by
@@ -38,10 +37,25 @@ namespace llvm {
     ///
     virtual void replaceMachineCodeForFunction(void *Old, void *New);
 
-    /// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
+    /// 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(void *Fn, MachineCodeEmitter &MCE);
+    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);
@@ -51,6 +65,16 @@ namespace llvm {
     /// referenced global symbols.
     virtual void relocate(void *Function, MachineRelocation *MR,
                           unsigned NumRelocs, unsigned char* GOTBase);
+
+    /// 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; }
   };
 }