1 //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- 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 declares MSP430-specific per-machine-function information. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 15 #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 16 17 #include "llvm/CodeGen/MachineFunction.h" 18 19 namespace llvm { 20 21 /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and 22 /// contains private MSP430 target-specific information for each MachineFunction. 23 class MSP430MachineFunctionInfo : public MachineFunctionInfo { 24 virtual void anchor(); 25 26 /// CalleeSavedFrameSize - Size of the callee-saved register portion of the 27 /// stack frame in bytes. 28 unsigned CalleeSavedFrameSize; 29 30 /// ReturnAddrIndex - FrameIndex for return slot. 31 int ReturnAddrIndex; 32 33 /// VarArgsFrameIndex - FrameIndex for start of varargs area. 34 int VarArgsFrameIndex; 35 36 public: 37 MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {} 38 39 explicit MSP430MachineFunctionInfo(MachineFunction &MF) 40 : CalleeSavedFrameSize(0), ReturnAddrIndex(0) {} 41 42 unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } 43 void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } 44 45 int getRAIndex() const { return ReturnAddrIndex; } 46 void setRAIndex(int Index) { ReturnAddrIndex = Index; } 47 48 int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} 49 void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 50 }; 51 52 } // End llvm namespace 53 54 #endif 55
