lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.h

   1 //===-- PIC16AsmPrinter.h - PIC16 LLVM assembly writer ----------*- 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 a printer that converts from our internal representation
  11 // of machine-dependent LLVM code to PIC16 assembly language.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef PIC16ASMPRINTER_H
  16 #define PIC16ASMPRINTER_H
  17
  18 #include "PIC16.h"
  19 #include "PIC16TargetMachine.h"
  20 #include "PIC16DebugInfo.h"
  21 #include "PIC16MCAsmInfo.h"
  22 #include "PIC16TargetObjectFile.h"
  23 #include "llvm/Analysis/DebugInfo.h"
  24 #include "llvm/CodeGen/AsmPrinter.h"
  25 #include "llvm/Support/CommandLine.h"
  26 #include "llvm/Target/TargetMachine.h"
  27 #include <list>
  28 #include <string>
  29
  30 namespace llvm {
  31   class VISIBILITY_HIDDEN PIC16AsmPrinter : public AsmPrinter {
  32   public:
  33     explicit PIC16AsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
  34                              const MCAsmInfo *T, bool V);
  35   private:
  36     virtual const char *getPassName() const {
  37       return "PIC16 Assembly Printer";
  38     }
  39
  40     PIC16TargetObjectFile &getObjFileLowering() const {
  41       return (PIC16TargetObjectFile &)AsmPrinter::getObjFileLowering();
  42     }
  43
  44     bool runOnMachineFunction(MachineFunction &F);
  45     void printOperand(const MachineInstr *MI, int opNum);
  46     void printCCOperand(const MachineInstr *MI, int opNum);
  47     void printInstruction(const MachineInstr *MI); // definition autogenerated.
  48     static const char *getRegisterName(unsigned RegNo);
  49
  50     bool printMachineInstruction(const MachineInstr *MI);
  51     void EmitFunctionDecls (Module &M);
  52     void EmitUndefinedVars (Module &M);
  53     void EmitDefinedVars (Module &M);
  54     void EmitIData (Module &M);
  55     void EmitUData (Module &M);
  56     void EmitAutos (std::string FunctName);
  57     void EmitRemainingAutos ();
  58     void EmitRomData (Module &M);
  59     void EmitFunctionFrame(MachineFunction &MF);
  60     void printLibcallDecls();
  61   protected:
  62     bool doInitialization(Module &M);
  63     bool doFinalization(Module &M);
  64
  65     /// PrintGlobalVariable - Emit the specified global variable and its
  66     /// initializer to the output stream.
  67     virtual void PrintGlobalVariable(const GlobalVariable *GV) {
  68       // PIC16 doesn't use normal hooks for this.
  69     }
  70
  71   private:
  72     PIC16TargetObjectFile *PTOF;
  73     PIC16TargetLowering *PTLI;
  74     PIC16DbgInfo DbgInfo;
  75     const PIC16MCAsmInfo *PMAI;
  76     std::list<const char *> LibcallDecls; // List of extern decls.
  77   };
  78 } // end of namespace
  79
  80 #endif