1 files changed, 132 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.h b/lib/Target/ARM/ARMAsmPrinter.h
new file mode 100644
index 00000000000..3555e8f50a0
--- /dev/null
+++ b/lib/Target/ARM/ARMAsmPrinter.h
@@ -0,0 +1,132 @@
+//===-- ARMAsmPrinter.h - Print machine code to an ARM .s file --*- C++ -*-===//
+//
+//                     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 {
+
+class MCOperand;
+
+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;
+
+  /// 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), InConstantPool(false) {
+      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 EmitFunctionBodyEnd();
+  virtual void EmitFunctionEntryLabel();
+  void EmitStartOfAsmFile(Module &M);
+  void EmitEndOfAsmFile(Module &M);
+  void EmitXXStructor(const Constant *CV);
+
+  // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
+  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
+
+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);
+
+  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;
+
+  /// EmitDwarfRegOp - Emit dwarf register operation.
+  virtual void EmitDwarfRegOp(const MachineLocation &MLoc) const;
+
+  virtual unsigned getISAEncoding() {
+    // ARM/Darwin adds ISA to the DWARF info for each function.
+    if (!Subtarget->isTargetDarwin())
+      return 0;
+    return Subtarget->isThumb() ?
+      ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
+  }
+
+  MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol);
+  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