diff options
Diffstat (limited to 'lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h')
-rw-r--r-- | lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h new file mode 100644 index 0000000..5b40e73 --- /dev/null +++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h @@ -0,0 +1,164 @@ +//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// AT&T assembly code printer class. +// +//===----------------------------------------------------------------------===// + +#ifndef X86ATTASMPRINTER_H +#define X86ATTASMPRINTER_H + +#include "../X86.h" +#include "../X86MachineFunctionInfo.h" +#include "../X86TargetMachine.h" +#include "llvm/ADT/StringSet.h" +#include "llvm/CodeGen/AsmPrinter.h" +#include "llvm/CodeGen/DwarfWriter.h" +#include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/ValueTypes.h" +#include "llvm/Support/Compiler.h" + +namespace llvm { + +class MachineJumpTableInfo; + +class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter { + DwarfWriter *DW; + MachineModuleInfo *MMI; + const X86Subtarget *Subtarget; + public: + explicit X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM, + const TargetAsmInfo *T, CodeGenOpt::Level OL, + bool V) + : AsmPrinter(O, TM, T, OL, V), DW(0), MMI(0) { + Subtarget = &TM.getSubtarget<X86Subtarget>(); + } + + virtual const char *getPassName() const { + return "X86 AT&T-Style Assembly Printer"; + } + + void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + if (Subtarget->isTargetDarwin() || + Subtarget->isTargetELF() || + Subtarget->isTargetCygMing()) { + AU.addRequired<MachineModuleInfo>(); + } + AU.addRequired<DwarfWriter>(); + AsmPrinter::getAnalysisUsage(AU); + } + + bool doInitialization(Module &M); + bool doFinalization(Module &M); + + /// printInstruction - This method is automatically generated by tablegen + /// from the instruction set description. This method returns true if the + /// machine instruction was sufficiently described to print it, otherwise it + /// returns false. + bool printInstruction(const MachineInstr *MI); + + // These methods are used by the tablegen'erated instruction printer. + void printOperand(const MachineInstr *MI, unsigned OpNo, + const char *Modifier = 0, bool NotRIPRel = false); + void printi8mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printi16mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printi32mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printi64mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printi128mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printf32mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printf64mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printf80mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printf128mem(const MachineInstr *MI, unsigned OpNo) { + printMemReference(MI, OpNo); + } + void printlea32mem(const MachineInstr *MI, unsigned OpNo) { + printLeaMemReference(MI, OpNo); + } + void printlea64mem(const MachineInstr *MI, unsigned OpNo) { + printLeaMemReference(MI, OpNo); + } + void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) { + printLeaMemReference(MI, OpNo, "subreg64"); + } + + bool printAsmMRegister(const MachineOperand &MO, const char Mode); + bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, + unsigned AsmVariant, const char *ExtraCode); + bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, + unsigned AsmVariant, const char *ExtraCode); + + void printMachineInstruction(const MachineInstr *MI); + void printSSECC(const MachineInstr *MI, unsigned Op); + void printMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier=NULL, bool NotRIPRel = false); + void printLeaMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier=NULL, bool NotRIPRel = false); + void printPICJumpTableSetLabel(unsigned uid, + const MachineBasicBlock *MBB) const; + void printPICJumpTableSetLabel(unsigned uid, unsigned uid2, + const MachineBasicBlock *MBB) const { + AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB); + } + void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, + const MachineBasicBlock *MBB, + unsigned uid) const; + + void printPICLabel(const MachineInstr *MI, unsigned Op); + void printModuleLevelGV(const GlobalVariable* GVar); + + void printGVStub(const char *GV, const char *Prefix = NULL); + void printHiddenGVStub(const char *GV, const char *Prefix = NULL); + + bool runOnMachineFunction(MachineFunction &F); + + void emitFunctionHeader(const MachineFunction &MF); + + // Necessary for Darwin to print out the apprioriate types of linker stubs + StringSet<> FnStubs, GVStubs, HiddenGVStubs; + + // Necessary for dllexport support + StringSet<> DLLExportedFns, DLLExportedGVs; + + // We have to propagate some information about MachineFunction to + // AsmPrinter. It's ok, when we're printing the function, since we have + // access to MachineFunction and can get the appropriate MachineFunctionInfo. + // Unfortunately, this is not possible when we're printing reference to + // Function (e.g. calling it and so on). Even more, there is no way to get the + // corresponding MachineFunctions: it can even be not created at all. That's + // why we should use additional structure, when we're collecting all necessary + // information. + // + // This structure is using e.g. for name decoration for stdcall & fastcall'ed + // function, since we have to use arguments' size for decoration. + typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap; + FMFInfoMap FunctionInfoMap; + + void decorateName(std::string& Name, const GlobalValue* GV); +}; + +} // end namespace llvm + +#endif |