-//===-- ARMAsmPrinter.cpp - ARM LLVM assembly writer ----------------------===//
+//===-- ARMAsmPrinter.cpp - Print machine code to an ARM .s file ----------===//
//
// The LLVM Compiler Infrastructure
//
#define DEBUG_TYPE "asm-printer"
#include "ARM.h"
#include "ARMBuildAttrs.h"
-#include "ARMTargetMachine.h"
#include "ARMAddressingModes.h"
#include "ARMConstantPoolValue.h"
+#include "ARMInstPrinter.h"
#include "ARMMachineFunctionInfo.h"
+#include "ARMMCInstLower.h"
+#include "ARMTargetMachine.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
-#include "llvm/MDNode.h"
+#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
#include <cctype>
using namespace llvm;
STATISTIC(EmittedInsts, "Number of machine instrs printed");
+static cl::opt<bool>
+EnableMCInst("enable-arm-mcinst-printer", cl::Hidden,
+ cl::desc("enable experimental asmprinter gunk in the arm backend"));
+
namespace {
- class VISIBILITY_HIDDEN ARMAsmPrinter : public AsmPrinter {
- DwarfWriter *DW;
+ class 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.
/// MachineFunction.
const MachineConstantPool *MCP;
- /// We name each basic block in a Function with a unique number, so
- /// that we can consistently refer to them later. This is cleared
- /// at the beginning of each call to runOnMachineFunction().
- ///
- typedef std::map<const Value *, unsigned> ValueMapTy;
- ValueMapTy NumberForBB;
-
- /// GVNonLazyPtrs - Keeps the set of GlobalValues that require
- /// non-lazy-pointers for indirect access.
- StringSet<> GVNonLazyPtrs;
-
- /// HiddenGVNonLazyPtrs - Keeps the set of GlobalValues with hidden
- /// visibility that require non-lazy-pointers for indirect access.
- StringSet<> HiddenGVNonLazyPtrs;
-
- /// FnStubs - Keeps the set of external function GlobalAddresses that the
- /// asm printer should generate stubs for.
- StringSet<> FnStubs;
-
- /// True if asm printer is printing a series of CONSTPOOL_ENTRY.
- bool InCPMode;
public:
- explicit ARMAsmPrinter(raw_ostream &O, TargetMachine &TM,
- const TargetAsmInfo *T, bool V)
- : AsmPrinter(O, TM, T, V), DW(0), AFI(NULL), MCP(NULL),
- InCPMode(false) {
+ explicit ARMAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const MCAsmInfo *T, bool V)
+ : AsmPrinter(O, TM, T, V), AFI(NULL), MCP(NULL) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
}
virtual const char *getPassName() const {
return "ARM Assembly Printer";
}
+
+ void printMCInst(const MCInst *MI) {
+ ARMInstPrinter(O, *MAI).printInstruction(MI);
+ }
+
+ void printInstructionThroughMCStreamer(const MachineInstr *MI);
+
void printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
void printCPInstOperand(const MachineInstr *MI, int OpNum,
const char *Modifier);
void printJTBlockOperand(const MachineInstr *MI, int OpNum);
+ void printJT2BlockOperand(const MachineInstr *MI, int OpNum);
+ void printTBAddrMode(const MachineInstr *MI, int OpNum);
+ void printNoHashImmediate(const MachineInstr *MI, int OpNum);
virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode);
unsigned AsmVariant,
const char *ExtraCode);
- void printModuleLevelGV(const GlobalVariable* GVar);
- bool printInstruction(const MachineInstr *MI); // autogenerated.
+ void PrintGlobalVariable(const GlobalVariable* GVar);
+ void printInstruction(const MachineInstr *MI); // autogenerated.
+ static const char *getRegisterName(unsigned RegNo);
+
void printMachineInstruction(const MachineInstr *MI);
bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
+ void EmitStartOfAsmFile(Module &M);
+ void EmitEndOfAsmFile(Module &M);
/// EmitMachineConstantPoolValue - Print a machine constantpool value to
/// the .s file.
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
GlobalValue *GV = ACPV->getGV();
- std::string Name = GV ? Mang->getValueName(GV) : TAI->getGlobalPrefix();
- if (!GV)
- Name += ACPV->getSymbol();
- if (ACPV->isNonLazyPointer()) {
- if (GV->hasHiddenVisibility())
- HiddenGVNonLazyPtrs.insert(Name);
- else
- GVNonLazyPtrs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- } else if (ACPV->isStub()) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
+ std::string Name;
+
+ if (ACPV->isLSDA()) {
+ SmallString<16> LSDAName;
+ raw_svector_ostream(LSDAName) << MAI->getPrivateGlobalPrefix() <<
+ "_LSDA_" << getFunctionNumber();
+ Name = LSDAName.str();
+ } else if (GV) {
+ bool isIndirect = Subtarget->isTargetDarwin() &&
+ Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel());
+ if (!isIndirect)
+ Name = Mang->getMangledName(GV);
+ else {
+ // FIXME: Remove this when Darwin transition to @GOT like syntax.
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+ MCSymbol *Sym = OutContext.GetOrCreateSymbol(Name.c_str());
+
+ MachineModuleInfoMachO &MMIMachO =
+ MMI->getObjFileInfo<MachineModuleInfoMachO>();
+ const MCSymbol *&StubSym =
+ GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(Sym) :
+ MMIMachO.getGVStubEntry(Sym);
+ if (StubSym == 0) {
+ SmallString<128> NameStr;
+ Mang->getNameWithPrefix(NameStr, GV, false);
+ StubSym = OutContext.GetOrCreateSymbol(NameStr.str());
+ }
+ }
} else
- O << Name;
+ Name = Mang->makeNameProper(ACPV->getSymbol());
+ O << Name;
+
if (ACPV->hasModifier()) O << "(" << ACPV->getModifier() << ")";
if (ACPV->getPCAdjustment() != 0) {
- O << "-(" << TAI->getPrivateGlobalPrefix() << "PC"
- << utostr(ACPV->getLabelId())
+ O << "-(" << MAI->getPrivateGlobalPrefix() << "PC"
+ << ACPV->getLabelId()
<< "+" << (unsigned)ACPV->getPCAdjustment();
if (ACPV->mustAddCurrentAddress())
O << "-.";
}
O << "\n";
}
-
+
void getAnalysisUsage(AnalysisUsage &AU) const {
AsmPrinter::getAnalysisUsage(AU);
AU.setPreservesAll();
// NOTE: we don't print out constant pools here, they are handled as
// instructions.
- O << "\n";
+ O << '\n';
+
// Print out labels for the function.
const Function *F = MF.getFunction();
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
+
switch (F->getLinkage()) {
- default: LLVM_UNREACHABLE("Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::InternalLinkage:
- SwitchToTextSection("\t.text", F);
break;
case Function::ExternalLinkage:
- SwitchToTextSection("\t.text", F);
O << "\t.globl\t" << CurrentFnName << "\n";
break;
+ case Function::LinkerPrivateLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
if (Subtarget->isTargetDarwin()) {
- SwitchToTextSection(
- ".section __TEXT,__textcoal_nt,coalesced,pure_instructions", F);
O << "\t.globl\t" << CurrentFnName << "\n";
O << "\t.weak_definition\t" << CurrentFnName << "\n";
} else {
- O << TAI->getWeakRefDirective() << CurrentFnName << "\n";
+ O << MAI->getWeakRefDirective() << CurrentFnName << "\n";
}
break;
}
printVisibility(CurrentFnName, F->getVisibility());
+ unsigned FnAlign = 1 << MF.getAlignment(); // MF alignment is log2.
if (AFI->isThumbFunction()) {
- EmitAlignment(MF.getAlignment(), F, AFI->getAlign());
+ EmitAlignment(FnAlign, F, AFI->getAlign());
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
O << "\t" << CurrentFnName;
O << "\n";
- InCPMode = false;
} else {
- EmitAlignment(MF.getAlignment(), F);
+ EmitAlignment(FnAlign, F);
}
O << CurrentFnName << ":\n";
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (I != MF.begin()) {
- printBasicBlockLabel(I, true, true, VerboseAsm);
- O << '\n';
- }
+ if (I != MF.begin())
+ EmitBasicBlockStart(I);
+
+ // Print the assembly for the instruction.
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
- II != E; ++II) {
- // Print the assembly for the instruction.
+ II != E; ++II)
printMachineInstruction(II);
- }
}
- if (TAI->hasDotTypeDotSizeDirective())
+ if (MAI->hasDotTypeDotSizeDirective())
O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
// Emit post-function debug information.
DW->EndFunction(&MF);
- O.flush();
-
return false;
}
const char *Modifier) {
const MachineOperand &MO = MI->getOperand(OpNum);
switch (MO.getType()) {
+ default:
+ assert(0 && "<unknown operand type>");
case MachineOperand::MO_Register: {
unsigned Reg = MO.getReg();
- if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
- if (Modifier && strcmp(Modifier, "dregpair") == 0) {
- unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
- unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
- O << '{'
- << TRI->getAsmName(DRegLo) << ',' << TRI->getAsmName(DRegHi)
- << '}';
- } else if (Modifier && strcmp(Modifier, "dregsingle") == 0) {
- O << '{' << TRI->getAsmName(Reg) << '}';
- } else {
- O << TRI->getAsmName(Reg);
- }
- } else
- LLVM_UNREACHABLE("not implemented");
+ assert(TargetRegisterInfo::isPhysicalRegister(Reg));
+ if (Modifier && strcmp(Modifier, "dregpair") == 0) {
+ unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
+ unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
+ O << '{'
+ << getRegisterName(DRegLo) << ',' << getRegisterName(DRegHi)
+ << '}';
+ } else if (Modifier && strcmp(Modifier, "lane") == 0) {
+ unsigned RegNum = ARMRegisterInfo::getRegisterNumbering(Reg);
+ unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 2 : 1,
+ &ARM::DPR_VFP2RegClass);
+ O << getRegisterName(DReg) << '[' << (RegNum & 1) << ']';
+ } else {
+ O << getRegisterName(Reg);
+ }
break;
}
case MachineOperand::MO_Immediate: {
- if (!Modifier || strcmp(Modifier, "no_hash") != 0)
- O << "#";
-
- O << MO.getImm();
+ int64_t Imm = MO.getImm();
+ O << '#';
+ if (Modifier) {
+ if (strcmp(Modifier, "lo16") == 0)
+ O << ":lower16:";
+ else if (strcmp(Modifier, "hi16") == 0)
+ O << ":upper16:";
+ }
+ O << Imm;
break;
}
case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
+ GetMBBSymbol(MO.getMBB()->getNumber())->print(O, MAI);
return;
case MachineOperand::MO_GlobalAddress: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
- bool isExt = (GV->isDeclaration() || GV->hasWeakLinkage() ||
- GV->hasLinkOnceLinkage());
- if (isExt && isCallOp && Subtarget->isTargetDarwin() &&
- TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
- } else
- O << Name;
+ O << Mang->getMangledName(GV);
printOffset(MO.getOffset());
}
case MachineOperand::MO_ExternalSymbol: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
- std::string Name(TAI->getGlobalPrefix());
- Name += MO.getSymbolName();
- if (isCallOp && Subtarget->isTargetDarwin() &&
- TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
- } else
- O << Name;
+ std::string Name = Mang->makeNameProper(MO.getSymbolName());
+
+ O << Name;
if (isCallOp && Subtarget->isTargetELF() &&
TM.getRelocationModel() == Reloc::PIC_)
O << "(PLT)";
break;
}
case MachineOperand::MO_ConstantPoolIndex:
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
case MachineOperand::MO_JumpTableIndex:
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
- default:
- O << "<unknown operand type>"; abort (); break;
}
}
-static void printSOImm(raw_ostream &O, int64_t V, bool VerboseAsm,
- const TargetAsmInfo *TAI) {
+static void printSOImm(formatted_raw_ostream &O, int64_t V, bool VerboseAsm,
+ const MCAsmInfo *MAI) {
// Break it up into two parts that make up a shifter immediate.
V = ARM_AM::getSOImmVal(V);
assert(V != -1 && "Not a valid so_imm value!");
O << "#" << Imm << ", " << Rot;
// Pretty printed version.
if (VerboseAsm)
- O << ' ' << TAI->getCommentString()
+ O << ' ' << MAI->getCommentString()
<< ' ' << (int)ARM_AM::rotr32(Imm, Rot);
} else {
O << "#" << Imm;
void ARMAsmPrinter::printSOImmOperand(const MachineInstr *MI, int OpNum) {
const MachineOperand &MO = MI->getOperand(OpNum);
assert(MO.isImm() && "Not a valid so_imm value!");
- printSOImm(O, MO.getImm(), VerboseAsm, TAI);
+ printSOImm(O, MO.getImm(), VerboseAsm, MAI);
}
/// printSOImm2PartOperand - SOImm is broken into two pieces using a 'mov'
assert(MO.isImm() && "Not a valid so_imm value!");
unsigned V1 = ARM_AM::getSOImmTwoPartFirst(MO.getImm());
unsigned V2 = ARM_AM::getSOImmTwoPartSecond(MO.getImm());
- printSOImm(O, V1, VerboseAsm, TAI);
+ printSOImm(O, V1, VerboseAsm, MAI);
O << "\n\torr";
printPredicateOperand(MI, 2);
O << " ";
- printOperand(MI, 0);
+ printOperand(MI, 0);
O << ", ";
- printOperand(MI, 0);
+ printOperand(MI, 0);
O << ", ";
- printSOImm(O, V2, VerboseAsm, TAI);
+ printSOImm(O, V2, VerboseAsm, MAI);
}
// so_reg is a 4-operand unit corresponding to register forms of the A5.1
const MachineOperand &MO2 = MI->getOperand(Op+1);
const MachineOperand &MO3 = MI->getOperand(Op+2);
- assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << TRI->getAsmName(MO1.getReg());
+ O << getRegisterName(MO1.getReg());
// Print the shift opc.
O << ", "
<< " ";
if (MO2.getReg()) {
- assert(TargetRegisterInfo::isPhysicalRegister(MO2.getReg()));
- O << TRI->getAsmName(MO2.getReg());
+ O << getRegisterName(MO2.getReg());
assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
} else {
O << "#" << ARM_AM::getSORegOffset(MO3.getImm());
return;
}
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
if (!MO2.getReg()) {
if (ARM_AM::getAM2Offset(MO3.getImm())) // Don't print +0.
O << ", "
<< (char)ARM_AM::getAM2Op(MO3.getImm())
- << TRI->getAsmName(MO2.getReg());
-
+ << getRegisterName(MO2.getReg());
+
if (unsigned ShImm = ARM_AM::getAM2Offset(MO3.getImm()))
O << ", "
<< ARM_AM::getShiftOpcStr(ARM_AM::getAM2ShiftOpc(MO3.getImm()))
}
O << (char)ARM_AM::getAM2Op(MO2.getImm())
- << TRI->getAsmName(MO1.getReg());
-
+ << getRegisterName(MO1.getReg());
+
if (unsigned ShImm = ARM_AM::getAM2Offset(MO2.getImm()))
O << ", "
<< ARM_AM::getShiftOpcStr(ARM_AM::getAM2ShiftOpc(MO2.getImm()))
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
const MachineOperand &MO3 = MI->getOperand(Op+2);
-
+
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
if (MO2.getReg()) {
O << ", "
<< (char)ARM_AM::getAM3Op(MO3.getImm())
- << TRI->getAsmName(MO2.getReg())
+ << getRegisterName(MO2.getReg())
<< "]";
return;
}
-
+
if (unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm()))
O << ", #"
<< (char)ARM_AM::getAM3Op(MO3.getImm())
if (MO1.getReg()) {
O << (char)ARM_AM::getAM3Op(MO2.getImm())
- << TRI->getAsmName(MO1.getReg());
+ << getRegisterName(MO1.getReg());
return;
}
<< (char)ARM_AM::getAM3Op(MO2.getImm())
<< ImmOffs;
}
-
+
void ARMAsmPrinter::printAddrMode4Operand(const MachineInstr *MI, int Op,
const char *Modifier) {
const MachineOperand &MO1 = MI->getOperand(Op);
ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MO2.getImm());
if (Modifier && strcmp(Modifier, "submode") == 0) {
if (MO1.getReg() == ARM::SP) {
+ // FIXME
bool isLDM = (MI->getOpcode() == ARM::LDM ||
- MI->getOpcode() == ARM::LDM_RET);
+ MI->getOpcode() == ARM::LDM_RET ||
+ MI->getOpcode() == ARM::t2LDM ||
+ MI->getOpcode() == ARM::t2LDM_RET);
O << ARM_AM::getAMSubModeAltStr(Mode, isLDM);
} else
O << ARM_AM::getAMSubModeStr(Mode);
+ } else if (Modifier && strcmp(Modifier, "wide") == 0) {
+ ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MO2.getImm());
+ if (Mode == ARM_AM::ia)
+ O << ".w";
} else {
printOperand(MI, Op);
if (ARM_AM::getAM4WBFlag(MO2.getImm()))
printOperand(MI, Op);
return;
}
-
+
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
if (Modifier && strcmp(Modifier, "submode") == 0) {
return;
} else if (Modifier && strcmp(Modifier, "base") == 0) {
// Used for FSTM{D|S} and LSTM{D|S} operations.
- O << TRI->getAsmName(MO1.getReg());
+ O << getRegisterName(MO1.getReg());
if (ARM_AM::getAM5WBFlag(MO2.getImm()))
O << "!";
return;
}
-
- O << "[" << TRI->getAsmName(MO1.getReg());
-
+
+ O << "[" << getRegisterName(MO1.getReg());
+
if (unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm())) {
O << ", #"
<< (char)ARM_AM::getAM5Op(MO2.getImm())
const MachineOperand &MO3 = MI->getOperand(Op+2);
// FIXME: No support yet for specifying alignment.
- O << "[" << TRI->getAsmName(MO1.getReg()) << "]";
+ O << "[" << getRegisterName(MO1.getReg()) << "]";
if (ARM_AM::getAM6WBFlag(MO3.getImm())) {
if (MO2.getReg() == 0)
O << "!";
else
- O << ", " << TRI->getAsmName(MO2.getReg());
+ O << ", " << getRegisterName(MO2.getReg());
}
}
const MachineOperand &MO1 = MI->getOperand(Op);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[pc, +" << TRI->getAsmName(MO1.getReg()) << "]";
+ O << "[pc, +" << getRegisterName(MO1.getReg()) << "]";
}
void
unsigned Mask = MI->getOperand(Op).getImm();
unsigned NumTZ = CountTrailingZeros_32(Mask);
assert(NumTZ <= 3 && "Invalid IT mask!");
- for (unsigned Pos = 3, e = NumTZ; Pos >= e; --Pos) {
- bool T = (Mask & (1 << Pos)) != 0;
+ for (unsigned Pos = 3, e = NumTZ; Pos > e; --Pos) {
+ bool T = (Mask & (1 << Pos)) == 0;
if (T)
O << 't';
else
ARMAsmPrinter::printThumbAddrModeRROperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
- O << "[" << TRI->getAsmName(MO1.getReg());
- O << ", " << TRI->getAsmName(MO2.getReg()) << "]";
+ O << "[" << getRegisterName(MO1.getReg());
+ O << ", " << getRegisterName(MO2.getReg()) << "]";
}
void
return;
}
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
if (MO3.getReg())
- O << ", " << TRI->getAsmName(MO3.getReg());
+ O << ", " << getRegisterName(MO3.getReg());
else if (unsigned ImmOffs = MO2.getImm()) {
O << ", #" << ImmOffs;
if (Scale > 1)
void ARMAsmPrinter::printThumbAddrModeSPOperand(const MachineInstr *MI,int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
if (unsigned ImmOffs = MO2.getImm())
O << ", #" << ImmOffs << " * 4";
O << "]";
unsigned Reg = MO1.getReg();
assert(TargetRegisterInfo::isPhysicalRegister(Reg));
- O << TRI->getAsmName(Reg);
+ O << getRegisterName(Reg);
// Print the shift opc.
O << ", "
const MachineOperand &MO1 = MI->getOperand(OpNum);
const MachineOperand &MO2 = MI->getOperand(OpNum+1);
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
unsigned OffImm = MO2.getImm();
if (OffImm) // Don't print +0.
const MachineOperand &MO1 = MI->getOperand(OpNum);
const MachineOperand &MO2 = MI->getOperand(OpNum+1);
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
int32_t OffImm = (int32_t)MO2.getImm();
// Don't print +0.
const MachineOperand &MO1 = MI->getOperand(OpNum);
const MachineOperand &MO2 = MI->getOperand(OpNum+1);
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
int32_t OffImm = (int32_t)MO2.getImm() / 4;
// Don't print +0.
const MachineOperand &MO2 = MI->getOperand(OpNum+1);
const MachineOperand &MO3 = MI->getOperand(OpNum+2);
- O << "[" << TRI->getAsmName(MO1.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
- if (MO2.getReg()) {
- O << ", +" << TRI->getAsmName(MO2.getReg());
+ assert(MO2.getReg() && "Invalid so_reg load / store address!");
+ O << ", " << getRegisterName(MO2.getReg());
- unsigned ShAmt = MO3.getImm();
- if (ShAmt) {
- assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
- O << ", lsl #" << ShAmt;
- }
+ unsigned ShAmt = MO3.getImm();
+ if (ShAmt) {
+ assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
+ O << ", lsl #" << ShAmt;
}
O << "]";
}
void ARMAsmPrinter::printPCLabel(const MachineInstr *MI, int OpNum) {
int Id = (int)MI->getOperand(OpNum).getImm();
- O << TAI->getPrivateGlobalPrefix() << "PC" << Id;
+ O << MAI->getPrivateGlobalPrefix() << "PC" << Id;
}
void ARMAsmPrinter::printRegisterList(const MachineInstr *MI, int OpNum) {
O << "{";
- for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
+ // Always skip the first operand, it's the optional (and implicit writeback).
+ for (unsigned i = OpNum+1, e = MI->getNumOperands(); i != e; ++i) {
+ if (MI->getOperand(i).isImplicit())
+ continue;
+ if ((int)i != OpNum+1) O << ", ";
printOperand(MI, i);
- if (i != e-1) O << ", ";
}
O << "}";
}
// data itself.
if (!strcmp(Modifier, "label")) {
unsigned ID = MI->getOperand(OpNum).getImm();
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << ID << ":\n";
} else {
assert(!strcmp(Modifier, "cpentry") && "Unknown modifier for CPE");
unsigned CPI = MI->getOperand(OpNum).getIndex();
const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
-
+
if (MCPE.isMachineConstantPoolEntry()) {
EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal);
} else {
}
void ARMAsmPrinter::printJTBlockOperand(const MachineInstr *MI, int OpNum) {
+ assert(!Subtarget->isThumb2() && "Thumb2 should use double-jump jumptables!");
+
const MachineOperand &MO1 = MI->getOperand(OpNum);
const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id
unsigned JTI = MO1.getIndex();
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << JTI << '_' << MO2.getImm() << ":\n";
- const char *JTEntryDirective = TAI->getJumpTableDirective();
- if (!JTEntryDirective)
- JTEntryDirective = TAI->getData32bitsDirective();
+ const char *JTEntryDirective = MAI->getData32bitsDirective();
const MachineFunction *MF = MI->getParent()->getParent();
const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo();
const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs;
- bool UseSet= TAI->getSetDirective() && TM.getRelocationModel() == Reloc::PIC_;
- std::set<MachineBasicBlock*> JTSets;
+ bool UseSet= MAI->getSetDirective() && TM.getRelocationModel() == Reloc::PIC_;
+ SmallPtrSet<MachineBasicBlock*, 8> JTSets;
for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) {
MachineBasicBlock *MBB = JTBBs[i];
- if (UseSet && JTSets.insert(MBB).second)
+ bool isNew = JTSets.insert(MBB);
+
+ if (UseSet && isNew)
printPICJumpTableSetLabel(JTI, MO2.getImm(), MBB);
O << JTEntryDirective << ' ';
if (UseSet)
- O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << getFunctionNumber()
<< '_' << JTI << '_' << MO2.getImm()
<< "_set_" << MBB->getNumber();
else if (TM.getRelocationModel() == Reloc::PIC_) {
- printBasicBlockLabel(MBB, false, false, false);
- // If the arch uses custom Jump Table directives, don't calc relative to JT
- if (!TAI->getJumpTableDirective())
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
- << getFunctionNumber() << '_' << JTI << '_' << MO2.getImm();
- } else
- printBasicBlockLabel(MBB, false, false, false);
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << '-' << MAI->getPrivateGlobalPrefix() << "JTI"
+ << getFunctionNumber() << '_' << JTI << '_' << MO2.getImm();
+ } else {
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ }
+ if (i != e-1)
+ O << '\n';
+ }
+}
+
+void ARMAsmPrinter::printJT2BlockOperand(const MachineInstr *MI, int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id
+ unsigned JTI = MO1.getIndex();
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << '_' << JTI << '_' << MO2.getImm() << ":\n";
+
+ const MachineFunction *MF = MI->getParent()->getParent();
+ const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo();
+ const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
+ const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs;
+ bool ByteOffset = false, HalfWordOffset = false;
+ if (MI->getOpcode() == ARM::t2TBB)
+ ByteOffset = true;
+ else if (MI->getOpcode() == ARM::t2TBH)
+ HalfWordOffset = true;
+
+ for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) {
+ MachineBasicBlock *MBB = JTBBs[i];
+ if (ByteOffset)
+ O << MAI->getData8bitsDirective();
+ else if (HalfWordOffset)
+ O << MAI->getData16bitsDirective();
+ if (ByteOffset || HalfWordOffset) {
+ O << '(';
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << "-" << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << '_' << JTI << '_' << MO2.getImm() << ")/2";
+ } else {
+ O << "\tb.w ";
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ }
if (i != e-1)
O << '\n';
}
+
+ // Make sure the instruction that follows TBB is 2-byte aligned.
+ // FIXME: Constant island pass should insert an "ALIGN" instruction instead.
+ if (ByteOffset && (JTBBs.size() & 1)) {
+ O << '\n';
+ EmitAlignment(1);
+ }
}
+void ARMAsmPrinter::printTBAddrMode(const MachineInstr *MI, int OpNum) {
+ O << "[pc, " << getRegisterName(MI->getOperand(OpNum).getReg());
+ if (MI->getOpcode() == ARM::t2TBH)
+ O << ", lsl #1";
+ O << ']';
+}
+
+void ARMAsmPrinter::printNoHashImmediate(const MachineInstr *MI, int OpNum) {
+ O << MI->getOperand(OpNum).getImm();
+}
bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode){
// Does this asm operand have a single letter operand modifier?
if (ExtraCode && ExtraCode[0]) {
if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
+
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
case 'a': // Print as a memory address.
if (MI->getOperand(OpNum).isReg()) {
- O << "[" << TRI->getAsmName(MI->getOperand(OpNum).getReg()) << "]";
+ O << "[" << getRegisterName(MI->getOperand(OpNum).getReg()) << "]";
return false;
}
// Fallthrough
case 'c': // Don't print "#" before an immediate operand.
- printOperand(MI, OpNum, "no_hash");
+ if (!MI->getOperand(OpNum).isImm())
+ return true;
+ printNoHashImmediate(MI, OpNum);
return false;
case 'P': // Print a VFP double precision register.
printOperand(MI, OpNum);
if (TM.getTargetData()->isBigEndian())
break;
// Fallthrough
- case 'H': // Write second word of DI / DF reference.
+ case 'H': // Write second word of DI / DF reference.
// Verify that this operand has two consecutive registers.
if (!MI->getOperand(OpNum).isReg() ||
OpNum+1 == MI->getNumOperands() ||
++OpNum; // Return the high-part.
}
}
-
+
printOperand(MI, OpNum);
return false;
}
const char *ExtraCode) {
if (ExtraCode && ExtraCode[0])
return true; // Unknown modifier.
- printAddrMode2Operand(MI, OpNum);
+
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ assert(MO.isReg() && "unexpected inline asm memory operand");
+ O << "[" << getRegisterName(MO.getReg()) << "]";
return false;
}
++EmittedInsts;
int Opc = MI->getOpcode();
- switch (Opc) {
- case ARM::CONSTPOOL_ENTRY:
- if (!InCPMode && AFI->isThumbFunction()) {
- EmitAlignment(2);
- InCPMode = true;
- }
- break;
- default: {
- if (InCPMode && AFI->isThumbFunction())
- InCPMode = false;
- }}
+ if (Opc == ARM::CONSTPOOL_ENTRY)
+ EmitAlignment(2);
// Call the autogenerated instruction printer routines.
- printInstruction(MI);
+ processDebugLoc(MI, true);
+
+ if (EnableMCInst) {
+ printInstructionThroughMCStreamer(MI);
+ } else {
+ printInstruction(MI);
+ }
+
+ if (VerboseAsm && !MI->getDebugLoc().isUnknown())
+ EmitComments(*MI);
+ O << '\n';
+ processDebugLoc(MI, false);
}
-bool ARMAsmPrinter::doInitialization(Module &M) {
-
- bool Result = AsmPrinter::doInitialization(M);
- DW = getAnalysisIfAvailable<DwarfWriter>();
+void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
+ if (Subtarget->isTargetDarwin()) {
+ Reloc::Model RelocM = TM.getRelocationModel();
+ if (RelocM == Reloc::PIC_ || RelocM == Reloc::DynamicNoPIC) {
+ // Declare all the text sections up front (before the DWARF sections
+ // emitted by AsmPrinter::doInitialization) so the assembler will keep
+ // them together at the beginning of the object file. This helps
+ // avoid out-of-range branches that are due a fundamental limitation of
+ // the way symbol offsets are encoded with the current Darwin ARM
+ // relocations.
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ OutStreamer.SwitchSection(TLOFMacho.getTextSection());
+ OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
+ OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection());
+ if (RelocM == Reloc::DynamicNoPIC) {
+ const MCSection *sect =
+ TLOFMacho.getMachOSection("__TEXT", "__symbol_stub4",
+ MCSectionMachO::S_SYMBOL_STUBS,
+ 12, SectionKind::getText());
+ OutStreamer.SwitchSection(sect);
+ } else {
+ const MCSection *sect =
+ TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub4",
+ MCSectionMachO::S_SYMBOL_STUBS,
+ 16, SectionKind::getText());
+ OutStreamer.SwitchSection(sect);
+ }
+ }
+ }
- // Thumb-2 instructions are supported only in unified assembler syntax mode.
- if (Subtarget->hasThumb2())
+ // Use unified assembler syntax mode for Thumb.
+ if (Subtarget->isThumb())
O << "\t.syntax unified\n";
// Emit ARM Build Attributes
O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_needed << ", 1\n"
<< "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_preserved << ", 1\n";
+ // Hard float. Use both S and D registers and conform to AAPCS-VFP.
+ if (Subtarget->isAAPCS_ABI() && FloatABIType == FloatABI::Hard)
+ O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_HardFP_use << ", 3\n"
+ << "\t.eabi_attribute " << ARMBuildAttrs::ABI_VFP_args << ", 1\n";
+
// FIXME: Should we signal R9 usage?
}
-
- return Result;
-}
-
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \\n or \\0.
-static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
- for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
- Name != E; ++Name)
- if (isprint(*Name))
- OS << *Name;
}
-void ARMAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
+void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
const TargetData *TD = TM.getTargetData();
if (!GVar->hasInitializer()) // External global require no code
return;
}
- std::string name = Mang->getValueName(GVar);
+ std::string name = Mang->getMangledName(GVar);
Constant *C = GVar->getInitializer();
- if (isa<MDNode>(C) || isa<MDString>(C))
- return;
const Type *Type = C->getType();
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
if (Subtarget->isTargetELF())
O << "\t.type " << name << ",%object\n";
- if (C->isNullValue() && !GVar->hasSection() && !GVar->isThreadLocal() &&
- !(isDarwin &&
- TAI->SectionKindForGlobal(GVar) == SectionKind::RODataMergeStr)) {
- // FIXME: This seems to be pretty darwin-specific
+ const MCSection *TheSection =
+ getObjFileLowering().SectionForGlobal(GVar, Mang, TM);
+ OutStreamer.SwitchSection(TheSection);
+ // FIXME: get this stuff from section kind flags.
+ if (C->isNullValue() && !GVar->hasSection() && !GVar->isThreadLocal() &&
+ // Don't put things that should go in the cstring section into "comm".
+ !TheSection->getKind().isMergeableCString()) {
if (GVar->hasExternalLinkage()) {
- SwitchToSection(TAI->SectionForGlobal(GVar));
- if (const char *Directive = TAI->getZeroFillDirective()) {
+ if (const char *Directive = MAI->getZeroFillDirective()) {
O << "\t.globl\t" << name << "\n";
O << Directive << "__DATA, __common, " << name << ", "
<< Size << ", " << Align << "\n";
if (isDarwin) {
if (GVar->hasLocalLinkage()) {
- O << TAI->getLCOMMDirective() << name << "," << Size
+ O << MAI->getLCOMMDirective() << name << "," << Size
<< ',' << Align;
} else if (GVar->hasCommonLinkage()) {
- O << TAI->getCOMMDirective() << name << "," << Size
+ O << MAI->getCOMMDirective() << name << "," << Size
<< ',' << Align;
} else {
- SwitchToSection(TAI->SectionForGlobal(GVar));
+ OutStreamer.SwitchSection(TheSection);
O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
+ << MAI->getWeakDefDirective() << name << '\n';
EmitAlignment(Align, GVar);
O << name << ":";
if (VerboseAsm) {
- O << "\t\t\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t\t\t" << MAI->getCommentString() << ' ';
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
O << '\n';
EmitGlobalConstant(C);
return;
}
- } else if (TAI->getLCOMMDirective() != NULL) {
+ } else if (MAI->getLCOMMDirective() != NULL) {
if (GVar->hasLocalLinkage()) {
- O << TAI->getLCOMMDirective() << name << "," << Size;
+ O << MAI->getLCOMMDirective() << name << "," << Size;
} else {
- O << TAI->getCOMMDirective() << name << "," << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ O << MAI->getCOMMDirective() << name << "," << Size;
+ if (MAI->getCOMMDirectiveTakesAlignment())
+ O << ',' << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
} else {
- SwitchToSection(TAI->SectionForGlobal(GVar));
if (GVar->hasLocalLinkage())
O << "\t.local\t" << name << "\n";
- O << TAI->getCOMMDirective() << name << "," << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << "," << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ O << MAI->getCOMMDirective() << name << "," << Size;
+ if (MAI->getCOMMDirectiveTakesAlignment())
+ O << "," << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
if (VerboseAsm) {
- O << "\t\t" << TAI->getCommentString() << " ";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t" << MAI->getCommentString() << " ";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
O << "\n";
return;
}
}
- SwitchToSection(TAI->SectionForGlobal(GVar));
switch (GVar->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceAnyLinkage:
- case GlobalValue::LinkOnceODRLinkage:
- case GlobalValue::WeakAnyLinkage:
- case GlobalValue::WeakODRLinkage:
+ case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkOnceAnyLinkage:
+ case GlobalValue::LinkOnceODRLinkage:
+ case GlobalValue::WeakAnyLinkage:
+ case GlobalValue::WeakODRLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
if (isDarwin) {
O << "\t.globl " << name << "\n"
<< "\t.weak_definition " << name << "\n";
O << "\t.weak " << name << "\n";
}
break;
- case GlobalValue::AppendingLinkage:
- // FIXME: appending linkage variables should go into a section of
- // their name or something. For now, just emit them as external.
- case GlobalValue::ExternalLinkage:
+ case GlobalValue::AppendingLinkage:
+ // FIXME: appending linkage variables should go into a section of
+ // their name or something. For now, just emit them as external.
+ case GlobalValue::ExternalLinkage:
O << "\t.globl " << name << "\n";
- // FALL THROUGH
- case GlobalValue::PrivateLinkage:
- case GlobalValue::InternalLinkage:
break;
- default:
- LLVM_UNREACHABLE("Unknown linkage type!");
+ case GlobalValue::PrivateLinkage:
+ case GlobalValue::InternalLinkage:
+ break;
+ default:
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
O << name << ":";
if (VerboseAsm) {
- O << "\t\t\t\t" << TAI->getCommentString() << " ";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t\t\t" << MAI->getCommentString() << " ";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
O << "\n";
- if (TAI->hasDotTypeDotSizeDirective())
+ if (MAI->hasDotTypeDotSizeDirective())
O << "\t.size " << name << ", " << Size << "\n";
EmitGlobalConstant(C);
}
-bool ARMAsmPrinter::doFinalization(Module &M) {
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I);
-
+void ARMAsmPrinter::EmitEndOfAsmFile(Module &M) {
if (Subtarget->isTargetDarwin()) {
- SwitchToDataSection("");
-
- // Output stubs for dynamically-linked functions
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
- if (TM.getRelocationModel() == Reloc::PIC_)
- SwitchToTextSection(".section __TEXT,__picsymbolstub4,symbol_stubs,"
- "none,16", 0);
- else
- SwitchToTextSection(".section __TEXT,__symbol_stub4,symbol_stubs,"
- "none,12", 0);
+ // All darwin targets use mach-o.
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ MachineModuleInfoMachO &MMIMacho =
+ MMI->getObjFileInfo<MachineModuleInfoMachO>();
- EmitAlignment(2);
- O << "\t.code\t32\n";
-
- const char *p = i->getKeyData();
- printSuffixedName(p, "$stub");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
- O << "\tldr ip, ";
- printSuffixedName(p, "$slp");
- O << "\n";
- if (TM.getRelocationModel() == Reloc::PIC_) {
- printSuffixedName(p, "$scv");
- O << ":\n";
- O << "\tadd ip, pc, ip\n";
- }
- O << "\tldr pc, [ip, #0]\n";
- printSuffixedName(p, "$slp");
- O << ":\n";
- O << "\t.long\t";
- printSuffixedName(p, "$lazy_ptr");
- if (TM.getRelocationModel() == Reloc::PIC_) {
- O << "-(";
- printSuffixedName(p, "$scv");
- O << "+8)\n";
- } else
- O << "\n";
- SwitchToDataSection(".lazy_symbol_pointer", 0);
- printSuffixedName(p, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
- O << "\t.long\tdyld_stub_binding_helper\n";
- }
- O << "\n";
+ O << '\n';
// Output non-lazy-pointers for external and common global variables.
- if (!GVNonLazyPtrs.empty()) {
- SwitchToDataSection("\t.non_lazy_symbol_pointer", 0);
- for (StringSet<>::iterator i = GVNonLazyPtrs.begin(),
- e = GVNonLazyPtrs.end(); i != e; ++i) {
- const char *p = i->getKeyData();
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
- O << "\t.long\t0\n";
+ MachineModuleInfoMachO::SymbolListTy Stubs = MMIMacho.GetGVStubList();
+
+ if (!Stubs.empty()) {
+ // Switch with ".non_lazy_symbol_pointer" directive.
+ OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection());
+ EmitAlignment(2);
+ for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ Stubs[i].first->print(O, MAI);
+ O << ":\n\t.indirect_symbol ";
+ Stubs[i].second->print(O, MAI);
+ O << "\n\t.long\t0\n";
}
}
- if (!HiddenGVNonLazyPtrs.empty()) {
- SwitchToSection(TAI->getDataSection());
- for (StringSet<>::iterator i = HiddenGVNonLazyPtrs.begin(),
- e = HiddenGVNonLazyPtrs.end(); i != e; ++i) {
- const char *p = i->getKeyData();
- EmitAlignment(2);
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.long " << p << "\n";
+ Stubs = MMIMacho.GetHiddenGVStubList();
+ if (!Stubs.empty()) {
+ OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
+ EmitAlignment(2);
+ for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ Stubs[i].first->print(O, MAI);
+ O << ":\n\t.long ";
+ Stubs[i].second->print(O, MAI);
+ O << "\n";
}
}
-
// Funny Darwin hack: This flag tells the linker that no global symbols
// contain code that falls through to other global symbols (e.g. the obvious
// implementation of multiple entry points). If this doesn't occur, the
// linker can safely perform dead code stripping. Since LLVM never
// generates code that does this, it is always safe to set.
- O << "\t.subsections_via_symbols\n";
+ OutStreamer.EmitAssemblerFlag(MCStreamer::SubsectionsViaSymbols);
}
-
- return AsmPrinter::doFinalization(M);
}
-/// createARMCodePrinterPass - Returns a pass that prints the ARM
-/// assembly code for a MachineFunction to the given output stream,
-/// using the given target machine description. This should work
-/// regardless of whether the function is in SSA form.
-///
-FunctionPass *llvm::createARMCodePrinterPass(raw_ostream &o,
- ARMBaseTargetMachine &tm,
- bool verbose) {
- return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
+// Force static initialization.
+extern "C" void LLVMInitializeARMAsmPrinter() {
+ RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget);
+ RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget);
}
-namespace {
- static struct Register {
- Register() {
- ARMBaseTargetMachine::registerAsmPrinter(createARMCodePrinterPass);
- }
- } Registrator;
-}
-// Force static initialization.
-extern "C" void LLVMInitializeARMAsmPrinter() { }
+//===----------------------------------------------------------------------===//
+
+void ARMAsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI) {
+ ARMMCInstLower MCInstLowering(OutContext, Mang);
+ switch (MI->getOpcode()) {
+ case TargetInstrInfo::DBG_LABEL:
+ case TargetInstrInfo::EH_LABEL:
+ case TargetInstrInfo::GC_LABEL:
+ printLabel(MI);
+ return;
+ case TargetInstrInfo::KILL:
+ return;
+ case TargetInstrInfo::INLINEASM:
+ O << '\t';
+ printInlineAsm(MI);
+ return;
+ case TargetInstrInfo::IMPLICIT_DEF:
+ printImplicitDef(MI);
+ return;
+ default: break;
+ }
+
+ MCInst TmpInst;
+ MCInstLowering.Lower(MI, TmpInst);
+
+ printMCInst(&TmpInst);
+}