Preliminary PIC JIT support for X86 (32-bit) / Darwin.

[oota-llvm.git] / lib / Target / X86 / X86TargetMachine.h

diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 029f834027b0526a343247031c5aa248a5ef1648..c1f869c75ba47f347262e9f981f36b1e33e8871b 100644 (file)
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -1,5 +1,12 @@
 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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 declares the X86 specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//
@@ -8,37 +15,82 @@
 #define X86TARGETMACHINE_H
 
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetFrameInfo.h"
+#include "X86.h"
+#include "X86ELFWriterInfo.h"
 #include "X86InstrInfo.h"
+#include "X86JITInfo.h"
+#include "X86Subtarget.h"
+#include "X86ISelLowering.h"
 
-class X86TargetMachine : public TargetMachine {
-  X86InstrInfo instrInfo;
+namespace llvm {
+
+class X86TargetMachine : public LLVMTargetMachine {
+  X86Subtarget      Subtarget;
+  const TargetData  DataLayout; // Calculates type size & alignment
+  TargetFrameInfo   FrameInfo;
+  X86InstrInfo      InstrInfo;
+  X86JITInfo        JITInfo;
+  X86TargetLowering TLInfo;
+  X86ELFWriterInfo  ELFWriterInfo;
+  Reloc::Model      DefRelocModel; // Reloc model before it's overridden.
+
+protected:
+  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+  
 public:
-  X86TargetMachine();
-
-  virtual const X86InstrInfo     &getInstrInfo() const { return instrInfo; }
-  virtual const MachineSchedInfo &getSchedInfo() const { abort(); }
-  virtual const MachineRegInfo   &getRegInfo()   const { abort(); }
-  virtual const MachineFrameInfo &getFrameInfo() const { abort(); }
-  virtual const MachineCacheInfo &getCacheInfo() const { abort(); }
-  virtual const MachineOptInfo   &getOptInfo()   const { abort(); }
-  virtual const MRegisterInfo *getRegisterInfo() const {
-    return &instrInfo.getRegisterInfo();
+  X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
+
+  virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
+  virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
+  virtual       TargetJITInfo    *getJITInfo()         { return &JITInfo; }
+  virtual const TargetSubtarget  *getSubtargetImpl() const{ return &Subtarget; }
+  virtual       X86TargetLowering *getTargetLowering() const { 
+    return const_cast<X86TargetLowering*>(&TLInfo); 
+  }
+  virtual const MRegisterInfo    *getRegisterInfo() const {
+    return &InstrInfo.getRegisterInfo();
   }
+  virtual const TargetData       *getTargetData() const { return &DataLayout; }
+  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
+    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
+  }
+
+  static unsigned getModuleMatchQuality(const Module &M);
+  static unsigned getJITMatchQuality();
+  
+  // Set up the pass pipeline.
+  virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);  
+  virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast);
+  virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
+                                  std::ostream &Out);
+  virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
+                              bool DumpAsm, MachineCodeEmitter &MCE);
+  virtual bool addSimpleCodeEmitter(FunctionPassManager &PM, bool Fast,
+                                    bool DumpAsm, MachineCodeEmitter &MCE);
+};
+
+/// X86_32TargetMachine - X86 32-bit target machine.
+///
+class X86_32TargetMachine : public X86TargetMachine {
+public:
+  X86_32TargetMachine(const Module &M, const std::string &FS);
+  
+  static unsigned getJITMatchQuality();
+  static unsigned getModuleMatchQuality(const Module &M);
+};
 
-  /// 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 bool addPassesToJITCompile(PassManager &PM);
-
-  /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
-  /// get machine code emitted.  This uses a MAchineCodeEmitter object to handle
-  /// actually outputting the machine code and resolving things like the address
-  /// of functions.  This method should returns true if machine code emission is
-  /// not supported.
-  ///
-  virtual bool addPassesToEmitMachineCode(PassManager &PM,
-                                          MachineCodeEmitter &MCE);
+/// X86_64TargetMachine - X86 64-bit target machine.
+///
+class X86_64TargetMachine : public X86TargetMachine {
+public:
+  X86_64TargetMachine(const Module &M, const std::string &FS);
+  
+  static unsigned getJITMatchQuality();
+  static unsigned getModuleMatchQuality(const Module &M);
 };
 
+} // End llvm namespace
+
 #endif