-//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===//
+//===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file the shared super class printer that converts from our internal
-// representation of machine-dependent LLVM code to Intel and AT&T format
-// assembly language. This printer is the output mechanism used by `llc'.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef X86ASMPRINTER_H
#define X86ASMPRINTER_H
-#include "X86.h"
-#include "X86TargetMachine.h"
+#include "X86Subtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineDebugInfo.h"
-#include "llvm/ADT/Statistic.h"
-#include <set>
-
+#include "llvm/CodeGen/StackMaps.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
+class MCStreamer;
+class MCSymbol;
-extern Statistic<> EmittedInsts;
+class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
+ const X86Subtarget *Subtarget;
+ StackMaps SM;
-/// X86DwarfWriter - Dwarf debug info writer customized for Darwin/Mac OS X
-///
-struct X86DwarfWriter : public DwarfWriter {
- // Ctor.
-X86DwarfWriter(std::ostream &o, AsmPrinter *ap)
- : DwarfWriter(o, ap)
- {
- needsSet = true;
- DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev";
- DwarfInfoSection = ".section __DWARFA,__debug_info";
- DwarfLineSection = ".section __DWARFA,__debug_line";
- DwarfFrameSection = ".section __DWARFA,__debug_frame";
- DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames";
- DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes";
- DwarfStrSection = ".section __DWARFA,__debug_str";
- DwarfLocSection = ".section __DWARFA,__debug_loc";
- DwarfARangesSection = ".section __DWARFA,__debug_aranges";
- DwarfRangesSection = ".section __DWARFA,__debug_ranges";
- DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo";
- TextSection = ".text";
- DataSection = ".data";
- }
-};
+ void GenerateExportDirective(const MCSymbol *Sym, bool IsData);
-struct X86SharedAsmPrinter : public AsmPrinter {
- X86DwarfWriter DW;
+ public:
+ explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer), SM(*this) {
+ Subtarget = &TM.getSubtarget<X86Subtarget>();
+ }
- X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM)
- : AsmPrinter(O, TM), DW(O, this), forDarwin(false) { }
+ const char *getPassName() const override {
+ return "X86 Assembly / Object Emitter";
+ }
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
+ const X86Subtarget &getSubtarget() const { return *Subtarget; }
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- AU.addRequired<MachineDebugInfo>();
- MachineFunctionPass::getAnalysisUsage(AU);
- }
+ void EmitStartOfAsmFile(Module &M) override;
- bool forDarwin; // FIXME: eliminate.
-
- const char *DefaultTextSection; // "_text" for MASM, ".text" for others.
- const char *DefaultDataSection; // "_data" for MASM, ".data" for others.
-
+ void EmitEndOfAsmFile(Module &M) override;
- // Necessary for Darwin to print out the apprioriate types of linker stubs
- std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
+ void EmitInstruction(const MachineInstr *MI) override;
- inline static bool isScale(const MachineOperand &MO) {
- return MO.isImmediate() &&
- (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
- MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
- }
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) override;
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) override;
- inline static bool isMem(const MachineInstr *MI, unsigned Op) {
- if (MI->getOperand(Op).isFrameIndex()) return true;
- return Op+4 <= MI->getNumOperands() &&
- MI->getOperand(Op ).isRegister() && isScale(MI->getOperand(Op+1)) &&
- MI->getOperand(Op+2).isRegister() &&
- (MI->getOperand(Op+3).isImmediate() ||
- MI->getOperand(Op+3).isGlobalAddress() ||
- MI->getOperand(Op+3).isConstantPoolIndex());
- }
+ bool runOnMachineFunction(MachineFunction &F) override;
};
} // end namespace llvm