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 #include "llvm/CodeGen/JITCodeEmitter.h"
  19
  20 namespace llvm {
  21   class PPCTargetMachine;
  22
  23   class PPCJITInfo : public TargetJITInfo {
  24   protected:
  25     PPCTargetMachine &TM;
  26     bool is64Bit;
  27   public:
  28     PPCJITInfo(PPCTargetMachine &tm, bool tmIs64Bit) : TM(tm) {
  29       useGOT = 0;
  30       is64Bit = tmIs64Bit;
  31     }
  32
  33     virtual void *emitFunctionStub(const Function* F, void *Fn,
  34                                    JITCodeEmitter &JCE);
  35     virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
  36     virtual void relocate(void *Function, MachineRelocation *MR,
  37                           unsigned NumRelocs, unsigned char* GOTBase);
  38
  39     /// replaceMachineCodeForFunction - Make it so that calling the function
  40     /// whose machine code is at OLD turns into a call to NEW, perhaps by
  41     /// overwriting OLD with a branch to NEW.  This is used for self-modifying
  42     /// code.
  43     ///
  44     virtual void replaceMachineCodeForFunction(void *Old, void *New);
  45   };
  46 }
  47
  48 #endif