1 //===-- PPCAsmPrinter.cpp - Print machine instrs to PowerPC assembly ------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains a printer that converts from our internal representation
11 // of machine-dependent LLVM code to PowerPC assembly language. This printer is
12 // the output mechanism used by `llc'.
14 // Documentation at http://developer.apple.com/documentation/DeveloperTools/
15 // Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
17 //===----------------------------------------------------------------------===//
20 #include "InstPrinter/PPCInstPrinter.h"
21 #include "MCTargetDesc/PPCMCExpr.h"
22 #include "MCTargetDesc/PPCPredicates.h"
23 #include "PPCSubtarget.h"
24 #include "PPCTargetMachine.h"
25 #include "PPCTargetStreamer.h"
26 #include "llvm/ADT/MapVector.h"
27 #include "llvm/ADT/SmallString.h"
28 #include "llvm/ADT/StringExtras.h"
29 #include "llvm/CodeGen/AsmPrinter.h"
30 #include "llvm/CodeGen/MachineFunctionPass.h"
31 #include "llvm/CodeGen/MachineInstr.h"
32 #include "llvm/CodeGen/MachineInstrBuilder.h"
33 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
34 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
35 #include "llvm/IR/Constants.h"
36 #include "llvm/IR/DebugInfo.h"
37 #include "llvm/IR/DerivedTypes.h"
38 #include "llvm/IR/Mangler.h"
39 #include "llvm/IR/Module.h"
40 #include "llvm/MC/MCAsmInfo.h"
41 #include "llvm/MC/MCContext.h"
42 #include "llvm/MC/MCExpr.h"
43 #include "llvm/MC/MCInst.h"
44 #include "llvm/MC/MCInstBuilder.h"
45 #include "llvm/MC/MCSectionELF.h"
46 #include "llvm/MC/MCSectionMachO.h"
47 #include "llvm/MC/MCStreamer.h"
48 #include "llvm/MC/MCSymbol.h"
49 #include "llvm/Support/CommandLine.h"
50 #include "llvm/Support/Debug.h"
51 #include "llvm/Support/ELF.h"
52 #include "llvm/Support/ErrorHandling.h"
53 #include "llvm/Support/MathExtras.h"
54 #include "llvm/Support/TargetRegistry.h"
55 #include "llvm/Support/raw_ostream.h"
56 #include "llvm/Target/TargetInstrInfo.h"
57 #include "llvm/Target/TargetOptions.h"
58 #include "llvm/Target/TargetRegisterInfo.h"
61 #define DEBUG_TYPE "asmprinter"
64 class PPCAsmPrinter : public AsmPrinter {
66 MapVector<MCSymbol*, MCSymbol*> TOC;
67 const PPCSubtarget &Subtarget;
70 explicit PPCAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
71 : AsmPrinter(TM, Streamer),
72 Subtarget(TM.getSubtarget<PPCSubtarget>()), TOCLabelID(0) {}
74 virtual const char *getPassName() const {
75 return "PowerPC Assembly Printer";
78 MCSymbol *lookUpOrCreateTOCEntry(MCSymbol *Sym);
80 virtual void EmitInstruction(const MachineInstr *MI);
82 void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
84 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
85 unsigned AsmVariant, const char *ExtraCode,
87 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
88 unsigned AsmVariant, const char *ExtraCode,
92 /// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
93 class PPCLinuxAsmPrinter : public PPCAsmPrinter {
95 explicit PPCLinuxAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
96 : PPCAsmPrinter(TM, Streamer) {}
98 virtual const char *getPassName() const {
99 return "Linux PPC Assembly Printer";
102 bool doFinalization(Module &M);
104 virtual void EmitFunctionEntryLabel();
106 void EmitFunctionBodyEnd();
109 /// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
111 class PPCDarwinAsmPrinter : public PPCAsmPrinter {
113 explicit PPCDarwinAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
114 : PPCAsmPrinter(TM, Streamer) {}
116 virtual const char *getPassName() const {
117 return "Darwin PPC Assembly Printer";
120 bool doFinalization(Module &M);
121 void EmitStartOfAsmFile(Module &M);
123 void EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs);
125 } // end of anonymous namespace
127 /// stripRegisterPrefix - This method strips the character prefix from a
128 /// register name so that only the number is left. Used by for linux asm.
129 static const char *stripRegisterPrefix(const char *RegName) {
130 switch (RegName[0]) {
134 if (RegName[1] == 's')
137 case 'c': if (RegName[1] == 'r') return RegName + 2;
143 void PPCAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
145 const DataLayout *DL = TM.getDataLayout();
146 const MachineOperand &MO = MI->getOperand(OpNo);
148 switch (MO.getType()) {
149 case MachineOperand::MO_Register: {
150 const char *RegName = PPCInstPrinter::getRegisterName(MO.getReg());
151 // Linux assembler (Others?) does not take register mnemonics.
152 // FIXME - What about special registers used in mfspr/mtspr?
153 if (!Subtarget.isDarwin()) RegName = stripRegisterPrefix(RegName);
157 case MachineOperand::MO_Immediate:
161 case MachineOperand::MO_MachineBasicBlock:
162 O << *MO.getMBB()->getSymbol();
164 case MachineOperand::MO_ConstantPoolIndex:
165 O << DL->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
166 << '_' << MO.getIndex();
168 case MachineOperand::MO_BlockAddress:
169 O << *GetBlockAddressSymbol(MO.getBlockAddress());
171 case MachineOperand::MO_GlobalAddress: {
172 // Computing the address of a global symbol, not calling it.
173 const GlobalValue *GV = MO.getGlobal();
174 MCSymbol *SymToPrint;
176 // External or weakly linked global variables need non-lazily-resolved stubs
177 if (TM.getRelocationModel() != Reloc::Static &&
178 (GV->isDeclaration() || GV->isWeakForLinker())) {
179 if (!GV->hasHiddenVisibility()) {
180 SymToPrint = getSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
181 MachineModuleInfoImpl::StubValueTy &StubSym =
182 MMI->getObjFileInfo<MachineModuleInfoMachO>()
183 .getGVStubEntry(SymToPrint);
184 if (!StubSym.getPointer())
185 StubSym = MachineModuleInfoImpl::
186 StubValueTy(getSymbol(GV), !GV->hasInternalLinkage());
187 } else if (GV->isDeclaration() || GV->hasCommonLinkage() ||
188 GV->hasAvailableExternallyLinkage()) {
189 SymToPrint = getSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
191 MachineModuleInfoImpl::StubValueTy &StubSym =
192 MMI->getObjFileInfo<MachineModuleInfoMachO>().
193 getHiddenGVStubEntry(SymToPrint);
194 if (!StubSym.getPointer())
195 StubSym = MachineModuleInfoImpl::
196 StubValueTy(getSymbol(GV), !GV->hasInternalLinkage());
198 SymToPrint = getSymbol(GV);
201 SymToPrint = getSymbol(GV);
206 printOffset(MO.getOffset(), O);
211 O << "<unknown operand type: " << MO.getType() << ">";
216 /// PrintAsmOperand - Print out an operand for an inline asm expression.
218 bool PPCAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
220 const char *ExtraCode, raw_ostream &O) {
221 // Does this asm operand have a single letter operand modifier?
222 if (ExtraCode && ExtraCode[0]) {
223 if (ExtraCode[1] != 0) return true; // Unknown modifier.
225 switch (ExtraCode[0]) {
227 // See if this is a generic print operand
228 return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
229 case 'c': // Don't print "$" before a global var name or constant.
230 break; // PPC never has a prefix.
231 case 'L': // Write second word of DImode reference.
232 // Verify that this operand has two consecutive registers.
233 if (!MI->getOperand(OpNo).isReg() ||
234 OpNo+1 == MI->getNumOperands() ||
235 !MI->getOperand(OpNo+1).isReg())
237 ++OpNo; // Return the high-part.
240 // Write 'i' if an integer constant, otherwise nothing. Used to print
242 if (MI->getOperand(OpNo).isImm())
248 printOperand(MI, OpNo, O);
252 // At the moment, all inline asm memory operands are a single register.
253 // In any case, the output of this routine should always be just one
254 // assembler operand.
256 bool PPCAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
258 const char *ExtraCode,
260 if (ExtraCode && ExtraCode[0]) {
261 if (ExtraCode[1] != 0) return true; // Unknown modifier.
263 switch (ExtraCode[0]) {
264 default: return true; // Unknown modifier.
265 case 'y': // A memory reference for an X-form instruction
267 const char *RegName = "r0";
268 if (!Subtarget.isDarwin()) RegName = stripRegisterPrefix(RegName);
269 O << RegName << ", ";
270 printOperand(MI, OpNo, O);
276 assert(MI->getOperand(OpNo).isReg());
278 printOperand(MI, OpNo, O);
284 /// lookUpOrCreateTOCEntry -- Given a symbol, look up whether a TOC entry
285 /// exists for it. If not, create one. Then return a symbol that references
287 MCSymbol *PPCAsmPrinter::lookUpOrCreateTOCEntry(MCSymbol *Sym) {
288 const DataLayout *DL = TM.getDataLayout();
289 MCSymbol *&TOCEntry = TOC[Sym];
291 // To avoid name clash check if the name already exists.
293 if (OutContext.LookupSymbol(Twine(DL->getPrivateGlobalPrefix()) +
294 "C" + Twine(TOCLabelID++)) == nullptr) {
295 TOCEntry = GetTempSymbol("C", TOCLabelID);
303 /// EmitInstruction -- Print out a single PowerPC MI in Darwin syntax to
304 /// the current output stream.
306 void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
308 bool isPPC64 = Subtarget.isPPC64();
310 // Lower multi-instruction pseudo operations.
311 switch (MI->getOpcode()) {
313 case TargetOpcode::DBG_VALUE:
314 llvm_unreachable("Should be handled target independently");
315 case PPC::MovePCtoLR:
316 case PPC::MovePCtoLR8: {
317 // Transform %LR = MovePCtoLR
318 // Into this, where the label is the PIC base:
321 MCSymbol *PICBase = MF->getPICBaseSymbol();
324 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BL)
325 // FIXME: We would like an efficient form for this, so we don't have to do
326 // a lot of extra uniquing.
327 .addExpr(MCSymbolRefExpr::Create(PICBase, OutContext)));
330 OutStreamer.EmitLabel(PICBase);
336 // Transform %X3 = LDtoc <ga:@min1>, %X2
337 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
339 // Change the opcode to LD, and the global address operand to be a
340 // reference to the TOC entry we will synthesize later.
341 TmpInst.setOpcode(PPC::LD);
342 const MachineOperand &MO = MI->getOperand(1);
344 // Map symbol -> label of TOC entry
345 assert(MO.isGlobal() || MO.isCPI() || MO.isJTI());
346 MCSymbol *MOSymbol = nullptr;
348 MOSymbol = getSymbol(MO.getGlobal());
350 MOSymbol = GetCPISymbol(MO.getIndex());
352 MOSymbol = GetJTISymbol(MO.getIndex());
354 MCSymbol *TOCEntry = lookUpOrCreateTOCEntry(MOSymbol);
357 MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC,
359 TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
360 EmitToStreamer(OutStreamer, TmpInst);
364 case PPC::ADDIStocHA: {
365 // Transform %Xd = ADDIStocHA %X2, <ga:@sym>
366 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
368 // Change the opcode to ADDIS8. If the global address is external,
369 // has common linkage, is a function address, or is a jump table
370 // address, then generate a TOC entry and reference that. Otherwise
371 // reference the symbol directly.
372 TmpInst.setOpcode(PPC::ADDIS8);
373 const MachineOperand &MO = MI->getOperand(2);
374 assert((MO.isGlobal() || MO.isCPI() || MO.isJTI()) &&
375 "Invalid operand for ADDIStocHA!");
376 MCSymbol *MOSymbol = nullptr;
377 bool IsExternal = false;
378 bool IsFunction = false;
379 bool IsCommon = false;
380 bool IsAvailExt = false;
383 const GlobalValue *GValue = MO.getGlobal();
384 const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
385 const GlobalValue *RealGValue =
386 GAlias ? GAlias->getAliasedGlobal() : GValue;
387 MOSymbol = getSymbol(RealGValue);
388 const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
389 IsExternal = GVar && !GVar->hasInitializer();
390 IsCommon = GVar && RealGValue->hasCommonLinkage();
392 IsAvailExt = GVar && RealGValue->hasAvailableExternallyLinkage();
393 } else if (MO.isCPI())
394 MOSymbol = GetCPISymbol(MO.getIndex());
396 MOSymbol = GetJTISymbol(MO.getIndex());
398 if (IsExternal || IsFunction || IsCommon || IsAvailExt || MO.isJTI() ||
399 TM.getCodeModel() == CodeModel::Large)
400 MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
403 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_HA,
405 TmpInst.getOperand(2) = MCOperand::CreateExpr(Exp);
406 EmitToStreamer(OutStreamer, TmpInst);
410 // Transform %Xd = LDtocL <ga:@sym>, %Xs
411 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
413 // Change the opcode to LD. If the global address is external, has
414 // common linkage, or is a jump table address, then reference the
415 // associated TOC entry. Otherwise reference the symbol directly.
416 TmpInst.setOpcode(PPC::LD);
417 const MachineOperand &MO = MI->getOperand(1);
418 assert((MO.isGlobal() || MO.isJTI() || MO.isCPI()) &&
419 "Invalid operand for LDtocL!");
420 MCSymbol *MOSymbol = nullptr;
423 MOSymbol = lookUpOrCreateTOCEntry(GetJTISymbol(MO.getIndex()));
424 else if (MO.isCPI()) {
425 MOSymbol = GetCPISymbol(MO.getIndex());
426 if (TM.getCodeModel() == CodeModel::Large)
427 MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
429 else if (MO.isGlobal()) {
430 const GlobalValue *GValue = MO.getGlobal();
431 const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
432 const GlobalValue *RealGValue =
433 GAlias ? GAlias->getAliasedGlobal() : GValue;
434 MOSymbol = getSymbol(RealGValue);
435 const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
437 if (!GVar || !GVar->hasInitializer() || RealGValue->hasCommonLinkage() ||
438 RealGValue->hasAvailableExternallyLinkage() ||
439 TM.getCodeModel() == CodeModel::Large)
440 MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
444 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_LO,
446 TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
447 EmitToStreamer(OutStreamer, TmpInst);
450 case PPC::ADDItocL: {
451 // Transform %Xd = ADDItocL %Xs, <ga:@sym>
452 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
454 // Change the opcode to ADDI8. If the global address is external, then
455 // generate a TOC entry and reference that. Otherwise reference the
457 TmpInst.setOpcode(PPC::ADDI8);
458 const MachineOperand &MO = MI->getOperand(2);
459 assert((MO.isGlobal() || MO.isCPI()) && "Invalid operand for ADDItocL");
460 MCSymbol *MOSymbol = nullptr;
461 bool IsExternal = false;
462 bool IsFunction = false;
465 const GlobalValue *GValue = MO.getGlobal();
466 const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
467 const GlobalValue *RealGValue =
468 GAlias ? GAlias->getAliasedGlobal() : GValue;
469 MOSymbol = getSymbol(RealGValue);
470 const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
471 IsExternal = GVar && !GVar->hasInitializer();
473 } else if (MO.isCPI())
474 MOSymbol = GetCPISymbol(MO.getIndex());
476 if (IsFunction || IsExternal || TM.getCodeModel() == CodeModel::Large)
477 MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
480 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_LO,
482 TmpInst.getOperand(2) = MCOperand::CreateExpr(Exp);
483 EmitToStreamer(OutStreamer, TmpInst);
486 case PPC::ADDISgotTprelHA: {
487 // Transform: %Xd = ADDISgotTprelHA %X2, <ga:@sym>
488 // Into: %Xd = ADDIS8 %X2, sym@got@tlsgd@ha
489 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
490 const MachineOperand &MO = MI->getOperand(2);
491 const GlobalValue *GValue = MO.getGlobal();
492 MCSymbol *MOSymbol = getSymbol(GValue);
493 const MCExpr *SymGotTprel =
494 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL_HA,
496 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS8)
497 .addReg(MI->getOperand(0).getReg())
499 .addExpr(SymGotTprel));
502 case PPC::LDgotTprelL:
503 case PPC::LDgotTprelL32: {
504 // Transform %Xd = LDgotTprelL <ga:@sym>, %Xs
505 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
507 // Change the opcode to LD.
508 TmpInst.setOpcode(isPPC64 ? PPC::LD : PPC::LWZ);
509 const MachineOperand &MO = MI->getOperand(1);
510 const GlobalValue *GValue = MO.getGlobal();
511 MCSymbol *MOSymbol = getSymbol(GValue);
513 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO,
515 TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
516 EmitToStreamer(OutStreamer, TmpInst);
520 case PPC::PPC32GOT: {
521 MCSymbol *GOTSymbol = OutContext.GetOrCreateSymbol(StringRef("_GLOBAL_OFFSET_TABLE_"));
522 const MCExpr *SymGotTlsL =
523 MCSymbolRefExpr::Create(GOTSymbol, MCSymbolRefExpr::VK_PPC_LO,
525 const MCExpr *SymGotTlsHA =
526 MCSymbolRefExpr::Create(GOTSymbol, MCSymbolRefExpr::VK_PPC_HA,
528 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::LI)
529 .addReg(MI->getOperand(0).getReg())
530 .addExpr(SymGotTlsL));
531 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS)
532 .addReg(MI->getOperand(0).getReg())
533 .addReg(MI->getOperand(0).getReg())
534 .addExpr(SymGotTlsHA));
537 case PPC::ADDIStlsgdHA: {
538 // Transform: %Xd = ADDIStlsgdHA %X2, <ga:@sym>
539 // Into: %Xd = ADDIS8 %X2, sym@got@tlsgd@ha
540 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
541 const MachineOperand &MO = MI->getOperand(2);
542 const GlobalValue *GValue = MO.getGlobal();
543 MCSymbol *MOSymbol = getSymbol(GValue);
544 const MCExpr *SymGotTlsGD =
545 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HA,
547 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS8)
548 .addReg(MI->getOperand(0).getReg())
550 .addExpr(SymGotTlsGD));
553 case PPC::ADDItlsgdL: {
554 // Transform: %Xd = ADDItlsgdL %Xs, <ga:@sym>
555 // Into: %Xd = ADDI8 %Xs, sym@got@tlsgd@l
556 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
557 const MachineOperand &MO = MI->getOperand(2);
558 const GlobalValue *GValue = MO.getGlobal();
559 MCSymbol *MOSymbol = getSymbol(GValue);
560 const MCExpr *SymGotTlsGD =
561 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD_LO,
563 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDI8)
564 .addReg(MI->getOperand(0).getReg())
565 .addReg(MI->getOperand(1).getReg())
566 .addExpr(SymGotTlsGD));
569 case PPC::GETtlsADDR: {
570 // Transform: %X3 = GETtlsADDR %X3, <ga:@sym>
571 // Into: BL8_NOP_TLS __tls_get_addr(sym@tlsgd)
572 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
574 StringRef Name = "__tls_get_addr";
575 MCSymbol *TlsGetAddr = OutContext.GetOrCreateSymbol(Name);
576 const MCSymbolRefExpr *TlsRef =
577 MCSymbolRefExpr::Create(TlsGetAddr, MCSymbolRefExpr::VK_None, OutContext);
578 const MachineOperand &MO = MI->getOperand(2);
579 const GlobalValue *GValue = MO.getGlobal();
580 MCSymbol *MOSymbol = getSymbol(GValue);
581 const MCExpr *SymVar =
582 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSGD,
584 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BL8_NOP_TLS)
589 case PPC::ADDIStlsldHA: {
590 // Transform: %Xd = ADDIStlsldHA %X2, <ga:@sym>
591 // Into: %Xd = ADDIS8 %X2, sym@got@tlsld@ha
592 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
593 const MachineOperand &MO = MI->getOperand(2);
594 const GlobalValue *GValue = MO.getGlobal();
595 MCSymbol *MOSymbol = getSymbol(GValue);
596 const MCExpr *SymGotTlsLD =
597 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HA,
599 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS8)
600 .addReg(MI->getOperand(0).getReg())
602 .addExpr(SymGotTlsLD));
605 case PPC::ADDItlsldL: {
606 // Transform: %Xd = ADDItlsldL %Xs, <ga:@sym>
607 // Into: %Xd = ADDI8 %Xs, sym@got@tlsld@l
608 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
609 const MachineOperand &MO = MI->getOperand(2);
610 const GlobalValue *GValue = MO.getGlobal();
611 MCSymbol *MOSymbol = getSymbol(GValue);
612 const MCExpr *SymGotTlsLD =
613 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD_LO,
615 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDI8)
616 .addReg(MI->getOperand(0).getReg())
617 .addReg(MI->getOperand(1).getReg())
618 .addExpr(SymGotTlsLD));
621 case PPC::GETtlsldADDR: {
622 // Transform: %X3 = GETtlsldADDR %X3, <ga:@sym>
623 // Into: BL8_NOP_TLS __tls_get_addr(sym@tlsld)
624 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
626 StringRef Name = "__tls_get_addr";
627 MCSymbol *TlsGetAddr = OutContext.GetOrCreateSymbol(Name);
628 const MCSymbolRefExpr *TlsRef =
629 MCSymbolRefExpr::Create(TlsGetAddr, MCSymbolRefExpr::VK_None, OutContext);
630 const MachineOperand &MO = MI->getOperand(2);
631 const GlobalValue *GValue = MO.getGlobal();
632 MCSymbol *MOSymbol = getSymbol(GValue);
633 const MCExpr *SymVar =
634 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSLD,
636 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BL8_NOP_TLS)
641 case PPC::ADDISdtprelHA: {
642 // Transform: %Xd = ADDISdtprelHA %X3, <ga:@sym>
643 // Into: %Xd = ADDIS8 %X3, sym@dtprel@ha
644 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
645 const MachineOperand &MO = MI->getOperand(2);
646 const GlobalValue *GValue = MO.getGlobal();
647 MCSymbol *MOSymbol = getSymbol(GValue);
648 const MCExpr *SymDtprel =
649 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL_HA,
651 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS8)
652 .addReg(MI->getOperand(0).getReg())
654 .addExpr(SymDtprel));
657 case PPC::ADDIdtprelL: {
658 // Transform: %Xd = ADDIdtprelL %Xs, <ga:@sym>
659 // Into: %Xd = ADDI8 %Xs, sym@dtprel@l
660 assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
661 const MachineOperand &MO = MI->getOperand(2);
662 const GlobalValue *GValue = MO.getGlobal();
663 MCSymbol *MOSymbol = getSymbol(GValue);
664 const MCExpr *SymDtprel =
665 MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL_LO,
667 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDI8)
668 .addReg(MI->getOperand(0).getReg())
669 .addReg(MI->getOperand(1).getReg())
670 .addExpr(SymDtprel));
675 if (!Subtarget.hasMFOCRF()) {
676 // Transform: %R3 = MFOCRF %CR7
677 // Into: %R3 = MFCR ;; cr7
679 MI->getOpcode() == PPC::MFOCRF ? PPC::MFCR : PPC::MFCR8;
680 OutStreamer.AddComment(PPCInstPrinter::
681 getRegisterName(MI->getOperand(1).getReg()));
682 EmitToStreamer(OutStreamer, MCInstBuilder(NewOpcode)
683 .addReg(MI->getOperand(0).getReg()));
689 if (!Subtarget.hasMFOCRF()) {
690 // Transform: %CR7 = MTOCRF %R3
691 // Into: MTCRF mask, %R3 ;; cr7
693 MI->getOpcode() == PPC::MTOCRF ? PPC::MTCRF : PPC::MTCRF8;
694 unsigned Mask = 0x80 >> OutContext.getRegisterInfo()
695 ->getEncodingValue(MI->getOperand(0).getReg());
696 OutStreamer.AddComment(PPCInstPrinter::
697 getRegisterName(MI->getOperand(0).getReg()));
698 EmitToStreamer(OutStreamer, MCInstBuilder(NewOpcode)
700 .addReg(MI->getOperand(1).getReg()));
708 // Verify alignment is legal, so we don't create relocations
709 // that can't be supported.
710 // FIXME: This test is currently disabled for Darwin. The test
711 // suite shows a handful of test cases that fail this check for
712 // Darwin. Those need to be investigated before this sanity test
713 // can be enabled for those subtargets.
714 if (!Subtarget.isDarwin()) {
715 unsigned OpNum = (MI->getOpcode() == PPC::STD) ? 2 : 1;
716 const MachineOperand &MO = MI->getOperand(OpNum);
717 if (MO.isGlobal() && MO.getGlobal()->getAlignment() < 4)
718 llvm_unreachable("Global must be word-aligned for LD, STD, LWA!");
720 // Now process the instruction normally.
725 LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
726 EmitToStreamer(OutStreamer, TmpInst);
729 void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
730 if (!Subtarget.isPPC64()) // linux/ppc32 - Normal entry label.
731 return AsmPrinter::EmitFunctionEntryLabel();
733 // Emit an official procedure descriptor.
734 MCSectionSubPair Current = OutStreamer.getCurrentSection();
735 const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".opd",
736 ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC,
737 SectionKind::getReadOnly());
738 OutStreamer.SwitchSection(Section);
739 OutStreamer.EmitLabel(CurrentFnSym);
740 OutStreamer.EmitValueToAlignment(8);
742 OutContext.GetOrCreateSymbol(".L." + Twine(CurrentFnSym->getName()));
743 // Generates a R_PPC64_ADDR64 (from FK_DATA_8) relocation for the function
745 OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol1, OutContext),
747 MCSymbol *Symbol2 = OutContext.GetOrCreateSymbol(StringRef(".TOC."));
748 // Generates a R_PPC64_TOC relocation for TOC base insertion.
749 OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol2,
750 MCSymbolRefExpr::VK_PPC_TOCBASE, OutContext),
752 // Emit a null environment pointer.
753 OutStreamer.EmitIntValue(0, 8 /* size */);
754 OutStreamer.SwitchSection(Current.first, Current.second);
756 MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol(
757 ".L." + Twine(CurrentFnSym->getName()));
758 OutStreamer.EmitLabel(RealFnSym);
759 CurrentFnSymForSize = RealFnSym;
763 bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
764 const DataLayout *TD = TM.getDataLayout();
766 bool isPPC64 = TD->getPointerSizeInBits() == 64;
768 PPCTargetStreamer &TS =
769 static_cast<PPCTargetStreamer &>(*OutStreamer.getTargetStreamer());
771 if (isPPC64 && !TOC.empty()) {
772 const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".toc",
773 ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC,
774 SectionKind::getReadOnly());
775 OutStreamer.SwitchSection(Section);
777 for (MapVector<MCSymbol*, MCSymbol*>::iterator I = TOC.begin(),
778 E = TOC.end(); I != E; ++I) {
779 OutStreamer.EmitLabel(I->second);
780 MCSymbol *S = OutContext.GetOrCreateSymbol(I->first->getName());
785 MachineModuleInfoELF &MMIELF =
786 MMI->getObjFileInfo<MachineModuleInfoELF>();
788 MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
789 if (!Stubs.empty()) {
790 OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
791 for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
793 OutStreamer.EmitLabel(Stubs[i].first);
795 OutStreamer.EmitValue(MCSymbolRefExpr::Create(Stubs[i].second.getPointer(),
797 isPPC64 ? 8 : 4/*size*/);
801 OutStreamer.AddBlankLine();
804 return AsmPrinter::doFinalization(M);
807 /// EmitFunctionBodyEnd - Print the traceback table before the .size
810 void PPCLinuxAsmPrinter::EmitFunctionBodyEnd() {
811 // Only the 64-bit target requires a traceback table. For now,
812 // we only emit the word of zeroes that GDB requires to find
813 // the end of the function, and zeroes for the eight-byte
815 // FIXME: We should fill in the eight-byte mandatory fields as described in
816 // the PPC64 ELF ABI (this is a low-priority item because GDB does not
817 // currently make use of these fields).
818 if (Subtarget.isPPC64()) {
819 OutStreamer.EmitIntValue(0, 4/*size*/);
820 OutStreamer.EmitIntValue(0, 8/*size*/);
824 void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
825 static const char *const CPUDirectives[] = {
849 unsigned Directive = Subtarget.getDarwinDirective();
850 if (Subtarget.hasMFOCRF() && Directive < PPC::DIR_970)
851 Directive = PPC::DIR_970;
852 if (Subtarget.hasAltivec() && Directive < PPC::DIR_7400)
853 Directive = PPC::DIR_7400;
854 if (Subtarget.isPPC64() && Directive < PPC::DIR_64)
855 Directive = PPC::DIR_64;
856 assert(Directive <= PPC::DIR_64 && "Directive out of range.");
858 assert(Directive < array_lengthof(CPUDirectives) &&
859 "CPUDirectives[] might not be up-to-date!");
860 PPCTargetStreamer &TStreamer =
861 *static_cast<PPCTargetStreamer *>(OutStreamer.getTargetStreamer());
862 TStreamer.emitMachine(CPUDirectives[Directive]);
864 // Prime text sections so they are adjacent. This reduces the likelihood a
865 // large data or debug section causes a branch to exceed 16M limit.
866 const TargetLoweringObjectFileMachO &TLOFMacho =
867 static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
868 OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
869 if (TM.getRelocationModel() == Reloc::PIC_) {
870 OutStreamer.SwitchSection(
871 OutContext.getMachOSection("__TEXT", "__picsymbolstub1",
872 MachO::S_SYMBOL_STUBS |
873 MachO::S_ATTR_PURE_INSTRUCTIONS,
874 32, SectionKind::getText()));
875 } else if (TM.getRelocationModel() == Reloc::DynamicNoPIC) {
876 OutStreamer.SwitchSection(
877 OutContext.getMachOSection("__TEXT","__symbol_stub1",
878 MachO::S_SYMBOL_STUBS |
879 MachO::S_ATTR_PURE_INSTRUCTIONS,
880 16, SectionKind::getText()));
882 OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
885 static MCSymbol *GetLazyPtr(MCSymbol *Sym, MCContext &Ctx) {
886 // Remove $stub suffix, add $lazy_ptr.
887 StringRef NoStub = Sym->getName().substr(0, Sym->getName().size()-5);
888 return Ctx.GetOrCreateSymbol(NoStub + "$lazy_ptr");
891 static MCSymbol *GetAnonSym(MCSymbol *Sym, MCContext &Ctx) {
892 // Add $tmp suffix to $stub, yielding $stub$tmp.
893 return Ctx.GetOrCreateSymbol(Sym->getName() + "$tmp");
896 void PPCDarwinAsmPrinter::
897 EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
898 bool isPPC64 = TM.getDataLayout()->getPointerSizeInBits() == 64;
899 bool isDarwin = Subtarget.isDarwin();
901 const TargetLoweringObjectFileMachO &TLOFMacho =
902 static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
904 // .lazy_symbol_pointer
905 const MCSection *LSPSection = TLOFMacho.getLazySymbolPointerSection();
907 // Output stubs for dynamically-linked functions
908 if (TM.getRelocationModel() == Reloc::PIC_) {
909 const MCSection *StubSection =
910 OutContext.getMachOSection("__TEXT", "__picsymbolstub1",
911 MachO::S_SYMBOL_STUBS |
912 MachO::S_ATTR_PURE_INSTRUCTIONS,
913 32, SectionKind::getText());
914 for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
915 OutStreamer.SwitchSection(StubSection);
918 MCSymbol *Stub = Stubs[i].first;
919 MCSymbol *RawSym = Stubs[i].second.getPointer();
920 MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
921 MCSymbol *AnonSymbol = GetAnonSym(Stub, OutContext);
923 OutStreamer.EmitLabel(Stub);
924 OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
926 const MCExpr *Anon = MCSymbolRefExpr::Create(AnonSymbol, OutContext);
927 const MCExpr *LazyPtrExpr = MCSymbolRefExpr::Create(LazyPtr, OutContext);
929 MCBinaryExpr::CreateSub(LazyPtrExpr, Anon, OutContext);
932 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::MFLR).addReg(PPC::R0));
933 // bcl 20, 31, AnonSymbol
934 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BCLalways).addExpr(Anon));
935 OutStreamer.EmitLabel(AnonSymbol);
937 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::MFLR).addReg(PPC::R11));
938 // addis r11, r11, ha16(LazyPtr - AnonSymbol)
939 const MCExpr *SubHa16 = PPCMCExpr::CreateHa(Sub, isDarwin, OutContext);
940 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::ADDIS)
945 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::MTLR).addReg(PPC::R0));
947 // ldu r12, lo16(LazyPtr - AnonSymbol)(r11)
948 // lwzu r12, lo16(LazyPtr - AnonSymbol)(r11)
949 const MCExpr *SubLo16 = PPCMCExpr::CreateLo(Sub, isDarwin, OutContext);
950 EmitToStreamer(OutStreamer, MCInstBuilder(isPPC64 ? PPC::LDU : PPC::LWZU)
952 .addExpr(SubLo16).addExpr(SubLo16)
955 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::MTCTR).addReg(PPC::R12));
957 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BCTR));
959 OutStreamer.SwitchSection(LSPSection);
960 OutStreamer.EmitLabel(LazyPtr);
961 OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
963 MCSymbol *DyldStubBindingHelper =
964 OutContext.GetOrCreateSymbol(StringRef("dyld_stub_binding_helper"));
966 // .quad dyld_stub_binding_helper
967 OutStreamer.EmitSymbolValue(DyldStubBindingHelper, 8);
969 // .long dyld_stub_binding_helper
970 OutStreamer.EmitSymbolValue(DyldStubBindingHelper, 4);
973 OutStreamer.AddBlankLine();
977 const MCSection *StubSection =
978 OutContext.getMachOSection("__TEXT","__symbol_stub1",
979 MachO::S_SYMBOL_STUBS |
980 MachO::S_ATTR_PURE_INSTRUCTIONS,
981 16, SectionKind::getText());
982 for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
983 MCSymbol *Stub = Stubs[i].first;
984 MCSymbol *RawSym = Stubs[i].second.getPointer();
985 MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
986 const MCExpr *LazyPtrExpr = MCSymbolRefExpr::Create(LazyPtr, OutContext);
988 OutStreamer.SwitchSection(StubSection);
990 OutStreamer.EmitLabel(Stub);
991 OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
993 // lis r11, ha16(LazyPtr)
994 const MCExpr *LazyPtrHa16 =
995 PPCMCExpr::CreateHa(LazyPtrExpr, isDarwin, OutContext);
996 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::LIS)
998 .addExpr(LazyPtrHa16));
1000 // ldu r12, lo16(LazyPtr)(r11)
1001 // lwzu r12, lo16(LazyPtr)(r11)
1002 const MCExpr *LazyPtrLo16 =
1003 PPCMCExpr::CreateLo(LazyPtrExpr, isDarwin, OutContext);
1004 EmitToStreamer(OutStreamer, MCInstBuilder(isPPC64 ? PPC::LDU : PPC::LWZU)
1006 .addExpr(LazyPtrLo16).addExpr(LazyPtrLo16)
1010 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::MTCTR).addReg(PPC::R12));
1012 EmitToStreamer(OutStreamer, MCInstBuilder(PPC::BCTR));
1014 OutStreamer.SwitchSection(LSPSection);
1015 OutStreamer.EmitLabel(LazyPtr);
1016 OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
1018 MCSymbol *DyldStubBindingHelper =
1019 OutContext.GetOrCreateSymbol(StringRef("dyld_stub_binding_helper"));
1021 // .quad dyld_stub_binding_helper
1022 OutStreamer.EmitSymbolValue(DyldStubBindingHelper, 8);
1024 // .long dyld_stub_binding_helper
1025 OutStreamer.EmitSymbolValue(DyldStubBindingHelper, 4);
1029 OutStreamer.AddBlankLine();
1033 bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
1034 bool isPPC64 = TM.getDataLayout()->getPointerSizeInBits() == 64;
1036 // Darwin/PPC always uses mach-o.
1037 const TargetLoweringObjectFileMachO &TLOFMacho =
1038 static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
1039 MachineModuleInfoMachO &MMIMacho =
1040 MMI->getObjFileInfo<MachineModuleInfoMachO>();
1042 MachineModuleInfoMachO::SymbolListTy Stubs = MMIMacho.GetFnStubList();
1044 EmitFunctionStubs(Stubs);
1046 if (MAI->doesSupportExceptionHandling() && MMI) {
1047 // Add the (possibly multiple) personalities to the set of global values.
1048 // Only referenced functions get into the Personalities list.
1049 const std::vector<const Function*> &Personalities = MMI->getPersonalities();
1050 for (std::vector<const Function*>::const_iterator I = Personalities.begin(),
1051 E = Personalities.end(); I != E; ++I) {
1053 MCSymbol *NLPSym = getSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
1054 MachineModuleInfoImpl::StubValueTy &StubSym =
1055 MMIMacho.getGVStubEntry(NLPSym);
1056 StubSym = MachineModuleInfoImpl::StubValueTy(getSymbol(*I), true);
1061 // Output stubs for dynamically-linked functions.
1062 Stubs = MMIMacho.GetGVStubList();
1064 // Output macho stubs for external and common global variables.
1065 if (!Stubs.empty()) {
1066 // Switch with ".non_lazy_symbol_pointer" directive.
1067 OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection());
1068 EmitAlignment(isPPC64 ? 3 : 2);
1070 for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
1072 OutStreamer.EmitLabel(Stubs[i].first);
1073 // .indirect_symbol _foo
1074 MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second;
1075 OutStreamer.EmitSymbolAttribute(MCSym.getPointer(), MCSA_IndirectSymbol);
1078 // External to current translation unit.
1079 OutStreamer.EmitIntValue(0, isPPC64 ? 8 : 4/*size*/);
1081 // Internal to current translation unit.
1083 // When we place the LSDA into the TEXT section, the type info pointers
1084 // need to be indirect and pc-rel. We accomplish this by using NLPs.
1085 // However, sometimes the types are local to the file. So we need to
1086 // fill in the value for the NLP in those cases.
1087 OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(),
1089 isPPC64 ? 8 : 4/*size*/);
1093 OutStreamer.AddBlankLine();
1096 Stubs = MMIMacho.GetHiddenGVStubList();
1097 if (!Stubs.empty()) {
1098 OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
1099 EmitAlignment(isPPC64 ? 3 : 2);
1101 for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
1103 OutStreamer.EmitLabel(Stubs[i].first);
1105 OutStreamer.EmitValue(MCSymbolRefExpr::
1106 Create(Stubs[i].second.getPointer(),
1108 isPPC64 ? 8 : 4/*size*/);
1112 OutStreamer.AddBlankLine();
1115 // Funny Darwin hack: This flag tells the linker that no global symbols
1116 // contain code that falls through to other global symbols (e.g. the obvious
1117 // implementation of multiple entry points). If this doesn't occur, the
1118 // linker can safely perform dead code stripping. Since LLVM never generates
1119 // code that does this, it is always safe to set.
1120 OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
1122 return AsmPrinter::doFinalization(M);
1125 /// createPPCAsmPrinterPass - Returns a pass that prints the PPC assembly code
1126 /// for a MachineFunction to the given output stream, in a format that the
1127 /// Darwin assembler can deal with.
1129 static AsmPrinter *createPPCAsmPrinterPass(TargetMachine &tm,
1130 MCStreamer &Streamer) {
1131 const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
1133 if (Subtarget->isDarwin())
1134 return new PPCDarwinAsmPrinter(tm, Streamer);
1135 return new PPCLinuxAsmPrinter(tm, Streamer);
1138 // Force static initialization.
1139 extern "C" void LLVMInitializePowerPCAsmPrinter() {
1140 TargetRegistry::RegisterAsmPrinter(ThePPC32Target, createPPCAsmPrinterPass);
1141 TargetRegistry::RegisterAsmPrinter(ThePPC64Target, createPPCAsmPrinterPass);
1142 TargetRegistry::RegisterAsmPrinter(ThePPC64LETarget, createPPCAsmPrinterPass);