-//===-- ARMAsmPrinter.h - Print machine code to an ARM .s file ------------===//
+//===-- ARMAsmPrinter.h - Print machine code to an ARM .s file --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
namespace llvm {
+class MCOperand;
+
namespace ARM {
enum DW_ISA {
DW_ISA_ARM_thumb = 1,
/// MachineFunction.
const MachineConstantPool *MCP;
+ /// InConstantPool - Maintain state when emitting a sequence of constant
+ /// pool entries so we can properly mark them as data regions.
+ bool InConstantPool;
public:
explicit ARMAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL) {
+ : AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL), InConstantPool(false) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
}
- virtual const char *getPassName() const {
+ virtual const char *getPassName() const LLVM_OVERRIDE {
return "ARM Assembly Printer";
}
virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O);
+ raw_ostream &O) LLVM_OVERRIDE;
virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
- unsigned AsmVariant,
- const char *ExtraCode, raw_ostream &O);
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) LLVM_OVERRIDE;
void EmitJumpTable(const MachineInstr *MI);
void EmitJump2Table(const MachineInstr *MI);
- virtual void EmitInstruction(const MachineInstr *MI);
- bool runOnMachineFunction(MachineFunction &F);
+ virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE;
+ virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE;
+
+ virtual void EmitConstantPool() LLVM_OVERRIDE {
+ // we emit constant pools customly!
+ }
+ virtual void EmitFunctionBodyEnd() LLVM_OVERRIDE;
+ virtual void EmitFunctionEntryLabel() LLVM_OVERRIDE;
+ virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE;
+ virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE;
+ virtual void EmitXXStructor(const Constant *CV) LLVM_OVERRIDE;
- virtual void EmitConstantPool() {} // we emit constant pools customly!
- virtual void EmitFunctionEntryLabel();
- void EmitStartOfAsmFile(Module &M);
- void EmitEndOfAsmFile(Module &M);
+ // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
+ bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
private:
// Helpers for EmitStartOfAsmFile() and EmitEndOfAsmFile()
// Helper for ELF .o only
void emitARMAttributeSection();
+ // Generic helper used to emit e.g. ARMv5 mul pseudos
+ void EmitPatchedInstruction(const MachineInstr *MI, unsigned TargetOpc);
+
+ void EmitUnwindingInstruction(const MachineInstr *MI);
+
+ // emitPseudoExpansionLowering - tblgen'erated.
+ bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
+ const MachineInstr *MI);
+
public:
void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
- MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
+ virtual MachineLocation
+ getDebugValueLocation(const MachineInstr *MI) const LLVM_OVERRIDE;
+
+ /// EmitDwarfRegOp - Emit dwarf register operation.
+ virtual void EmitDwarfRegOp(const MachineLocation &MLoc) const LLVM_OVERRIDE;
- virtual unsigned getISAEncoding() {
+ virtual unsigned getISAEncoding() LLVM_OVERRIDE {
// ARM/Darwin adds ISA to the DWARF info for each function.
if (!Subtarget->isTargetDarwin())
return 0;
return Subtarget->isThumb() ?
- llvm::ARM::DW_ISA_ARM_thumb : llvm::ARM::DW_ISA_ARM_arm;
+ ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
}
- MCSymbol *GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const;
+private:
+ MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol);
MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;
- MCSymbol *GetARMSJLJEHLabel(void) const;
+ MCSymbol *GetARMSJLJEHLabel() const;
+ MCSymbol *GetARMGVSymbol(const GlobalValue *GV);
+
+public:
/// EmitMachineConstantPoolValue - Print a machine constantpool value to
/// the .s file.
- virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV);
+ virtual void
+ EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) LLVM_OVERRIDE;
};
} // end namespace llvm