lib/Target/PowerPC/PPCJITInfo.h

   1 //===- PPCJITInfo.h - PowerPC impl. of the JIT interface --------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the PowerPC implementation of the TargetJITInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef POWERPC_JITINFO_H
  15 #define POWERPC_JITINFO_H
  16
  17 #include "llvm/Target/TargetJITInfo.h"
  18
  19 namespace llvm {
  20   class PPCTargetMachine;
  21
  22   class PPCJITInfo : public TargetJITInfo {
  23   protected:
  24     PPCTargetMachine &TM;
  25     bool is64Bit;
  26   public:
  27     PPCJITInfo(PPCTargetMachine &tm, bool tmIs64Bit) : TM(tm) {
  28       useGOT = 0;
  29       is64Bit = tmIs64Bit;
  30     }
  31
  32     virtual void *emitFunctionStub(const Function* F, void *Fn,
  33                                    MachineCodeEmitter &MCE);
  34     virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
  35     virtual void relocate(void *Function, MachineRelocation *MR,
  36                           unsigned NumRelocs, unsigned char* GOTBase);
  37
  38     /// replaceMachineCodeForFunction - Make it so that calling the function
  39     /// whose machine code is at OLD turns into a call to NEW, perhaps by
  40     /// overwriting OLD with a branch to NEW.  This is used for self-modifying
  41     /// code.
  42     ///
  43     virtual void replaceMachineCodeForFunction(void *Old, void *New);
  44   };
  45 }
  46
  47 #endif