1 //===-- PPC.h - Top-level interface for PowerPC Target ----------*- 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 entry points for global functions defined in the LLVM 11 // PowerPC back-end. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TARGET_POWERPC_H 16 #define LLVM_TARGET_POWERPC_H 17 18 #include "MCTargetDesc/PPCBaseInfo.h" 19 #include "MCTargetDesc/PPCMCTargetDesc.h" 20 #include <string> 21 22 // GCC #defines PPC on Linux but we use it as our namespace name 23 #undef PPC 24 25 namespace llvm { 26 class PPCTargetMachine; 27 class FunctionPass; 28 class JITCodeEmitter; 29 class MachineInstr; 30 class AsmPrinter; 31 class MCInst; 32 33 FunctionPass *createPPCCTRLoops(); 34 FunctionPass *createPPCBranchSelectionPass(); 35 FunctionPass *createPPCISelDag(PPCTargetMachine &TM); 36 FunctionPass *createPPCJITCodeEmitterPass(PPCTargetMachine &TM, 37 JITCodeEmitter &MCE); 38 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 39 AsmPrinter &AP, bool isDarwin); 40 41 namespace PPCII { 42 43 /// Target Operand Flag enum. 44 enum TOF { 45 //===------------------------------------------------------------------===// 46 // PPC Specific MachineOperand flags. 47 MO_NO_FLAG, 48 49 /// MO_DARWIN_STUB - On a symbol operand "FOO", this indicates that the 50 /// reference is actually to the "FOO$stub" symbol. This is used for calls 51 /// and jumps to external functions on Tiger and earlier. 52 MO_DARWIN_STUB = 1, 53 54 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 55 /// the function's picbase, e.g. lo16(symbol-picbase). 56 MO_PIC_FLAG = 4, 57 58 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 59 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 60 MO_NLP_FLAG = 8, 61 62 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 63 /// symbol with hidden visibility. This causes a different kind of 64 /// non-lazy-pointer to be generated. 65 MO_NLP_HIDDEN_FLAG = 16, 66 67 /// The next are not flags but distinct values. 68 MO_ACCESS_MASK = 224, 69 70 /// MO_LO16, MO_HA16 - lo16(symbol) and ha16(symbol) 71 MO_LO16 = 32, MO_HA16 = 64, 72 73 MO_TPREL16_HA = 96, 74 MO_TPREL16_LO = 128 75 }; 76 } // end namespace PPCII 77 78 } // end namespace llvm; 79 80 #endif 81
