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+//===-- ARMAsmPrinter.h - Print machine code to an ARM .s file ------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// ARM Assembly printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ARMASMPRINTER_H
+#define ARMASMPRINTER_H
+
+#include "ARM.h"
+#include "ARMTargetMachine.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+
+namespace ARM {
+ enum DW_ISA {
+ DW_ISA_ARM_thumb = 1,
+ DW_ISA_ARM_arm = 2
+ };
+}
+
+class LLVM_LIBRARY_VISIBILITY ARMAsmPrinter : public AsmPrinter {
+
+ /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
+ /// make the right decision when printing asm code for different targets.
+ const ARMSubtarget *Subtarget;
+
+ /// AFI - Keep a pointer to ARMFunctionInfo for the current
+ /// MachineFunction.
+ ARMFunctionInfo *AFI;
+
+ /// MCP - Keep a pointer to constantpool entries of the current
+ /// MachineFunction.
+ const MachineConstantPool *MCP;
+
+public:
+ explicit ARMAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL) {
+ Subtarget = &TM.getSubtarget<ARMSubtarget>();
+ }
+
+ virtual const char *getPassName() const {
+ return "ARM Assembly Printer";
+ }
+
+ void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
+ const char *Modifier = 0);
+
+ virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O);
+ virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant,
+ const char *ExtraCode, raw_ostream &O);
+
+ void EmitJumpTable(const MachineInstr *MI);
+ void EmitJump2Table(const MachineInstr *MI);
+ virtual void EmitInstruction(const MachineInstr *MI);
+ bool runOnMachineFunction(MachineFunction &F);
+
+ virtual void EmitConstantPool() {} // we emit constant pools customly!
+ virtual void EmitFunctionEntryLabel();
+ void EmitStartOfAsmFile(Module &M);
+ void EmitEndOfAsmFile(Module &M);
+
+private:
+ // Helpers for EmitStartOfAsmFile() and EmitEndOfAsmFile()
+ void emitAttributes();
+
+ // Helper for ELF .o only
+ void emitARMAttributeSection();
+
+ // Generic helper used to emit e.g. ARMv5 mul pseudos
+ void EmitPatchedInstruction(const MachineInstr *MI, unsigned TargetOpc);
+
+public:
+ void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
+
+ MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
+
+ virtual unsigned getISAEncoding() {
+ // 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;
+ }
+
+ MCSymbol *GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
+ const MachineBasicBlock *MBB) const;
+ MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;
+
+ MCSymbol *GetARMSJLJEHLabel(void) const;
+
+ MCSymbol *GetARMGVSymbol(const GlobalValue *GV);
+
+ /// EmitMachineConstantPoolValue - Print a machine constantpool value to
+ /// the .s file.
+ virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV);
+};
+} // end namespace llvm
+
+#endif
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