#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/MC/MCSection.h"
#include "llvm/Target/TargetAsmInfo.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/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/FormattedStream.h"
#include <cctype>
using namespace llvm;
/// GVNonLazyPtrs - Keeps the set of GlobalValues that require
/// non-lazy-pointers for indirect access.
- StringSet<> GVNonLazyPtrs;
+ StringMap<std::string> GVNonLazyPtrs;
/// HiddenGVNonLazyPtrs - Keeps the set of GlobalValues with hidden
/// visibility that require non-lazy-pointers for indirect access.
- StringSet<> HiddenGVNonLazyPtrs;
-
+ StringMap<std::string> HiddenGVNonLazyPtrs;
+
+ struct FnStubInfo {
+ std::string Stub, LazyPtr, SLP, SCV;
+
+ FnStubInfo() {}
+
+ void Init(const GlobalValue *GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->getMangledName(GV, "$stub", true);
+ LazyPtr = Mang->getMangledName(GV, "$lazy_ptr", true);
+ SLP = Mang->getMangledName(GV, "$slp", true);
+ SCV = Mang->getMangledName(GV, "$scv", true);
+ }
+
+ void Init(const std::string &GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->makeNameProper(GV + "$stub", Mangler::Private);
+ LazyPtr = Mang->makeNameProper(GV + "$lazy_ptr", Mangler::Private);
+ SLP = Mang->makeNameProper(GV + "$slp", Mangler::Private);
+ SCV = Mang->makeNameProper(GV + "$scv", Mangler::Private);
+ }
+ };
+
/// FnStubs - Keeps the set of external function GlobalAddresses that the
/// asm printer should generate stubs for.
- StringSet<> FnStubs;
+ StringMap<FnStubInfo> 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, CodeGenOpt::Level OL,
- bool V)
- : AsmPrinter(O, TM, T, OL, V), DW(0), AFI(NULL), MCP(NULL),
+ explicit ARMAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const TargetAsmInfo *T, bool V)
+ : AsmPrinter(O, TM, T, V), DW(0), AFI(NULL), MCP(NULL),
InCPMode(false) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
}
return "ARM Assembly Printer";
}
- void printOperand(const MachineInstr *MI, int opNum,
+ void printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printSOImmOperand(const MachineInstr *MI, int opNum);
- void printSOImm2PartOperand(const MachineInstr *MI, int opNum);
- void printSOOperand(const MachineInstr *MI, int OpNum);
- void printSORegOperand(const MachineInstr *MI, int opNum);
- void printT2SOImmOperand(const MachineInstr *MI, int opNum);
- void printAddrMode2Operand(const MachineInstr *MI, int OpNo);
- void printAddrMode2OffsetOperand(const MachineInstr *MI, int OpNo);
- void printAddrMode3Operand(const MachineInstr *MI, int OpNo);
- void printAddrMode3OffsetOperand(const MachineInstr *MI, int OpNo);
- void printAddrMode4Operand(const MachineInstr *MI, int OpNo,
+ void printSOImmOperand(const MachineInstr *MI, int OpNum);
+ void printSOImm2PartOperand(const MachineInstr *MI, int OpNum);
+ void printSORegOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode2Operand(const MachineInstr *MI, int OpNum);
+ void printAddrMode2OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode3Operand(const MachineInstr *MI, int OpNum);
+ void printAddrMode3OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode4Operand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printAddrMode5Operand(const MachineInstr *MI, int OpNo,
+ void printAddrMode5Operand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printAddrModePCOperand(const MachineInstr *MI, int OpNo,
+ void printAddrMode6Operand(const MachineInstr *MI, int OpNum);
+ void printAddrModePCOperand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printBitfieldInvMaskImmOperand (const MachineInstr *MI, int OpNo);
- void printThumbAddrModeRROperand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeRI5Operand(const MachineInstr *MI, int OpNo,
+ void printBitfieldInvMaskImmOperand (const MachineInstr *MI, int OpNum);
+
+ void printThumbITMask(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeRROperand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeRI5Operand(const MachineInstr *MI, int OpNum,
unsigned Scale);
- void printThumbAddrModeS1Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeS2Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeS4Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeSPOperand(const MachineInstr *MI, int OpNo);
- void printPredicateOperand(const MachineInstr *MI, int opNum);
- void printSBitModifierOperand(const MachineInstr *MI, int opNum);
- void printPCLabel(const MachineInstr *MI, int opNum);
- void printRegisterList(const MachineInstr *MI, int opNum);
- void printCPInstOperand(const MachineInstr *MI, int opNum,
+ void printThumbAddrModeS1Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeS2Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeS4Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeSPOperand(const MachineInstr *MI, int OpNum);
+
+ void printT2SOOperand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm12Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8s4Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeSoRegOperand(const MachineInstr *MI, int OpNum);
+
+ void printPredicateOperand(const MachineInstr *MI, int OpNum);
+ void printSBitModifierOperand(const MachineInstr *MI, int OpNum);
+ void printPCLabel(const MachineInstr *MI, int OpNum);
+ void printRegisterList(const MachineInstr *MI, int OpNum);
+ void printCPInstOperand(const MachineInstr *MI, int OpNum,
const char *Modifier);
- void printJTBlockOperand(const MachineInstr *MI, int opNum);
+ void printJTBlockOperand(const MachineInstr *MI, int OpNum);
+ void printJT2BlockOperand(const MachineInstr *MI, int OpNum);
+ void printTBAddrMode(const MachineInstr *MI, int OpNum);
- virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode);
- virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
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.
void printMachineInstruction(const MachineInstr *MI);
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
GlobalValue *GV = ACPV->getGV();
- std::string Name = GV ? Mang->getValueName(GV) : TAI->getGlobalPrefix();
- if (!GV)
- Name += ACPV->getSymbol();
+ std::string Name;
+
+
if (ACPV->isNonLazyPointer()) {
+ std::string SymName = Mang->getMangledName(GV);
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+
if (GV->hasHiddenVisibility())
- HiddenGVNonLazyPtrs.insert(Name);
+ HiddenGVNonLazyPtrs[SymName] = Name;
else
- GVNonLazyPtrs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
+ GVNonLazyPtrs[SymName] = Name;
} else if (ACPV->isStub()) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- } else
- O << Name;
+ if (GV) {
+ FnStubInfo &FnInfo = FnStubs[Mang->getMangledName(GV)];
+ FnInfo.Init(GV, Mang);
+ Name = FnInfo.Stub;
+ } else {
+ FnStubInfo &FnInfo = FnStubs[Mang->makeNameProper(ACPV->getSymbol())];
+ FnInfo.Init(ACPV->getSymbol(), Mang);
+ Name = FnInfo.Stub;
+ }
+ } else {
+ if (GV)
+ Name = Mang->getMangledName(GV);
+ else
+ Name = Mang->makeNameProper(ACPV->getSymbol());
+ }
+ O << Name;
+
+
+
if (ACPV->hasModifier()) O << "(" << ACPV->getModifier() << ")";
if (ACPV->getPCAdjustment() != 0) {
O << "-(" << TAI->getPrivateGlobalPrefix() << "PC"
- << utostr(ACPV->getLabelId())
+ << ACPV->getLabelId()
<< "+" << (unsigned)ACPV->getPCAdjustment();
if (ACPV->mustAddCurrentAddress())
O << "-.";
// 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();
+ SwitchToSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
+
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
- SwitchToTextSection("\t.text", F);
break;
case Function::ExternalLinkage:
- SwitchToTextSection("\t.text", F);
O << "\t.globl\t" << CurrentFnName << "\n";
break;
case Function::WeakAnyLinkage:
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 {
printVisibility(CurrentFnName, F->getVisibility());
if (AFI->isThumbFunction()) {
- EmitAlignment(1, F, AFI->getAlign());
+ EmitAlignment(MF.getAlignment(), F, AFI->getAlign());
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
O << "\t" << CurrentFnName;
O << "\n";
InCPMode = false;
- } else
- EmitAlignment(2, F);
+ } else {
+ EmitAlignment(MF.getAlignment(), F);
+ }
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
// Emit post-function debug information.
DW->EndFunction(&MF);
- O.flush();
-
return false;
}
-void ARMAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
+void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
- const MachineOperand &MO = MI->getOperand(opNum);
+ const MachineOperand &MO = MI->getOperand(OpNum);
switch (MO.getType()) {
case MachineOperand::MO_Register: {
unsigned Reg = MO.getReg();
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)
+ << TRI->getAsmName(DRegLo) << ',' << TRI->getAsmName(DRegHi)
<< '}';
+ } else if (Modifier && strcmp(Modifier, "lane") == 0) {
+ unsigned RegNum = ARMRegisterInfo::getRegisterNumbering(Reg);
+ unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 0 : 1,
+ &ARM::DPRRegClass);
+ O << TRI->getAsmName(DReg) << '[' << (RegNum & 1) << ']';
} else {
O << TRI->getAsmName(Reg);
}
} else
- assert(0 && "not implemented");
+ llvm_unreachable("not implemented");
break;
}
case MachineOperand::MO_Immediate: {
if (!Modifier || strcmp(Modifier, "no_hash") != 0)
- O << "#";
+ O << '#';
O << MO.getImm();
break;
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());
+ std::string Name;
+ bool isExt = GV->isDeclaration() || GV->isWeakForLinker();
if (isExt && isCallOp && Subtarget->isTargetDarwin() &&
TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
- } else
- O << Name;
+ FnStubInfo &FnInfo = FnStubs[Mang->getMangledName(GV)];
+ FnInfo.Init(GV, Mang);
+ Name = FnInfo.Stub;
+ } else {
+ Name = Mang->getMangledName(GV);
+ }
+
+ O << Name;
printOffset(MO.getOffset());
}
case MachineOperand::MO_ExternalSymbol: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
- std::string Name(TAI->getGlobalPrefix());
- Name += MO.getSymbolName();
+ std::string Name;
if (isCallOp && Subtarget->isTargetDarwin() &&
TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
+ FnStubInfo &FnInfo = FnStubs[Mang->makeNameProper(MO.getSymbolName())];
+ FnInfo.Init(MO.getSymbolName(), Mang);
+ Name = FnInfo.Stub;
} else
- O << Name;
+ Name = Mang->makeNameProper(MO.getSymbolName());
+
+ O << Name;
if (isCallOp && Subtarget->isTargetELF() &&
TM.getRelocationModel() == Reloc::PIC_)
O << "(PLT)";
}
}
-static void printSOImm(raw_ostream &O, int64_t V, bool VerboseAsm,
+static void printSOImm(formatted_raw_ostream &O, int64_t V, bool VerboseAsm,
const TargetAsmInfo *TAI) {
- assert(V < (1 << 12) && "Not a valid so_imm value!");
+ // 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!");
+
unsigned Imm = ARM_AM::getSOImmValImm(V);
unsigned Rot = ARM_AM::getSOImmValRot(V);
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, ARM_AM::getSOImmVal(V1), VerboseAsm, TAI);
+ printSOImm(O, V1, VerboseAsm, TAI);
O << "\n\torr";
printPredicateOperand(MI, 2);
O << " ";
O << ", ";
printOperand(MI, 0);
O << ", ";
- printSOImm(O, ARM_AM::getSOImmVal(V2), VerboseAsm, TAI);
-}
-
-// Constant shifts so_reg is a 3-operand unit corresponding to register forms of
-// the A5.1 "Addressing Mode 1 - Data-processing operands" forms. This
-// includes:
-// REG 0 - e.g. R5
-// REG IMM, SH_OPC - e.g. R5, LSL #3
-void ARMAsmPrinter::printSOOperand(const MachineInstr *MI, int OpNum) {
- const MachineOperand &MO1 = MI->getOperand(OpNum);
- const MachineOperand &MO2 = MI->getOperand(OpNum+1);
-
- unsigned Reg = MO1.getReg();
- assert(TargetRegisterInfo::isPhysicalRegister(Reg));
- O << TM.getRegisterInfo()->getAsmName(Reg);
-
- // Print the shift opc.
- O << ", "
- << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()))
- << " ";
-
- assert(MO2.isImm() && "Not a valid t2_so_reg value!");
- O << "#" << ARM_AM::getSORegOffset(MO2.getImm());
+ printSOImm(O, V2, VerboseAsm, TAI);
}
// so_reg is a 4-operand unit corresponding to register forms of the A5.1
// "Addressing Mode 1 - Data-processing operands" forms. This includes:
-// REG 0 0 - e.g. R5
-// REG REG 0,SH_OPC - e.g. R5, ROR R3
+// REG 0 0 - e.g. R5
+// REG REG 0,SH_OPC - e.g. R5, ROR R3
// REG 0 IMM,SH_OPC - e.g. R5, LSL #3
void ARMAsmPrinter::printSORegOperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO3 = MI->getOperand(Op+2);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << TRI->getAsmName(MO1.getReg());
// Print the shift opc.
O << ", "
if (MO2.getReg()) {
assert(TargetRegisterInfo::isPhysicalRegister(MO2.getReg()));
- O << TM.getRegisterInfo()->get(MO2.getReg()).AsmName;
+ O << TRI->getAsmName(MO2.getReg());
assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
} else {
O << "#" << ARM_AM::getSORegOffset(MO3.getImm());
}
}
-static void printT2SOImm(raw_ostream &O, int64_t V) {
- unsigned Imm = ARM_AM::getT2SOImmValDecode(V);
-
- // Always print the immediate directly, as the "rotate" form
- // is deprecated in some contexts.
- O << "#" << Imm;
-}
-
-/// printT2SOImmOperand - T2SOImm is:
-/// 1. a 4-bit splat control value and 8 bit immediate value
-/// 2. a 5-bit rotate amount and a non-zero 8-bit immediate value
-/// represented by a normalizedin 7-bit value (msb is always 1)
-void ARMAsmPrinter::printT2SOImmOperand(const MachineInstr *MI, int OpNum) {
- const MachineOperand &MO = MI->getOperand(OpNum);
- assert(MO.isImm() && "Not a valid so_imm value!");
- printT2SOImm(O, MO.getImm());
-}
-
void ARMAsmPrinter::printAddrMode2Operand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (!MO2.getReg()) {
if (ARM_AM::getAM2Offset(MO3.getImm())) // Don't print +0.
O << ", "
<< (char)ARM_AM::getAM2Op(MO3.getImm())
- << TM.getRegisterInfo()->get(MO2.getReg()).AsmName;
+ << TRI->getAsmName(MO2.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO3.getImm()))
O << ", "
}
O << (char)ARM_AM::getAM2Op(MO2.getImm())
- << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ << TRI->getAsmName(MO1.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO2.getImm()))
O << ", "
const MachineOperand &MO3 = MI->getOperand(Op+2);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (MO2.getReg()) {
O << ", "
<< (char)ARM_AM::getAM3Op(MO3.getImm())
- << TM.getRegisterInfo()->get(MO2.getReg()).AsmName
+ << TRI->getAsmName(MO2.getReg())
<< "]";
return;
}
if (MO1.getReg()) {
O << (char)ARM_AM::getAM3Op(MO2.getImm())
- << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ << TRI->getAsmName(MO1.getReg());
return;
}
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()))
return;
} else if (Modifier && strcmp(Modifier, "base") == 0) {
// Used for FSTM{D|S} and LSTM{D|S} operations.
- O << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << TRI->getAsmName(MO1.getReg());
if (ARM_AM::getAM5WBFlag(MO2.getImm()))
O << "!";
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm())) {
O << ", #"
O << "]";
}
+void ARMAsmPrinter::printAddrMode6Operand(const MachineInstr *MI, int Op) {
+ const MachineOperand &MO1 = MI->getOperand(Op);
+ const MachineOperand &MO2 = MI->getOperand(Op+1);
+ const MachineOperand &MO3 = MI->getOperand(Op+2);
+
+ // FIXME: No support yet for specifying alignment.
+ O << "[" << TRI->getAsmName(MO1.getReg()) << "]";
+
+ if (ARM_AM::getAM6WBFlag(MO3.getImm())) {
+ if (MO2.getReg() == 0)
+ O << "!";
+ else
+ O << ", " << TRI->getAsmName(MO2.getReg());
+ }
+}
+
void ARMAsmPrinter::printAddrModePCOperand(const MachineInstr *MI, int Op,
const char *Modifier) {
if (Modifier && strcmp(Modifier, "label") == 0) {
const MachineOperand &MO1 = MI->getOperand(Op);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[pc, +" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName << "]";
+ O << "[pc, +" << TRI->getAsmName(MO1.getReg()) << "]";
}
void
ARMAsmPrinter::printBitfieldInvMaskImmOperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO = MI->getOperand(Op);
uint32_t v = ~MO.getImm();
- int32_t lsb = ffs (v) - 1;
+ int32_t lsb = CountTrailingZeros_32(v);
int32_t width = (32 - CountLeadingZeros_32 (v)) - lsb;
assert(MO.isImm() && "Not a valid bf_inv_mask_imm value!");
O << "#" << lsb << ", #" << width;
}
+//===--------------------------------------------------------------------===//
+
+void
+ARMAsmPrinter::printThumbITMask(const MachineInstr *MI, int Op) {
+ // (3 - the number of trailing zeros) is the number of then / else.
+ 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;
+ if (T)
+ O << 't';
+ else
+ O << 'e';
+ }
+}
+
void
ARMAsmPrinter::printThumbAddrModeRROperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
- O << ", " << TM.getRegisterInfo()->get(MO2.getReg()).AsmName << "]";
+ O << "[" << TRI->getAsmName(MO1.getReg());
+ O << ", " << TRI->getAsmName(MO2.getReg()) << "]";
}
void
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (MO3.getReg())
- O << ", " << TM.getRegisterInfo()->get(MO3.getReg()).AsmName;
+ O << ", " << TRI->getAsmName(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 << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (unsigned ImmOffs = MO2.getImm())
O << ", #" << ImmOffs << " * 4";
O << "]";
}
-void ARMAsmPrinter::printPredicateOperand(const MachineInstr *MI, int opNum) {
- ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(opNum).getImm();
+//===--------------------------------------------------------------------===//
+
+// Constant shifts t2_so_reg is a 2-operand unit corresponding to the Thumb2
+// register with shift forms.
+// REG 0 0 - e.g. R5
+// REG IMM, SH_OPC - e.g. R5, LSL #3
+void ARMAsmPrinter::printT2SOOperand(const MachineInstr *MI, int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ unsigned Reg = MO1.getReg();
+ assert(TargetRegisterInfo::isPhysicalRegister(Reg));
+ O << TRI->getAsmName(Reg);
+
+ // Print the shift opc.
+ O << ", "
+ << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()))
+ << " ";
+
+ assert(MO2.isImm() && "Not a valid t2_so_reg value!");
+ O << "#" << ARM_AM::getSORegOffset(MO2.getImm());
+}
+
+void ARMAsmPrinter::printT2AddrModeImm12Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ unsigned OffImm = MO2.getImm();
+ if (OffImm) // Don't print +0.
+ O << ", #+" << OffImm;
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm;
+ else if (OffImm > 0)
+ O << ", #+" << OffImm;
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8s4Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm() / 4;
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm << " * 4";
+ else if (OffImm > 0)
+ O << ", #+" << OffImm << " * 4";
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8OffsetOperand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else if (OffImm > 0)
+ O << "#+" << OffImm;
+}
+
+void ARMAsmPrinter::printT2AddrModeSoRegOperand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+ const MachineOperand &MO3 = MI->getOperand(OpNum+2);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ if (MO2.getReg()) {
+ O << ", +" << TRI->getAsmName(MO2.getReg());
+
+ unsigned ShAmt = MO3.getImm();
+ if (ShAmt) {
+ assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
+ O << ", lsl #" << ShAmt;
+ }
+ }
+ O << "]";
+}
+
+
+//===--------------------------------------------------------------------===//
+
+void ARMAsmPrinter::printPredicateOperand(const MachineInstr *MI, int OpNum) {
+ ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
if (CC != ARMCC::AL)
O << ARMCondCodeToString(CC);
}
-void ARMAsmPrinter::printSBitModifierOperand(const MachineInstr *MI, int opNum){
- unsigned Reg = MI->getOperand(opNum).getReg();
+void ARMAsmPrinter::printSBitModifierOperand(const MachineInstr *MI, int OpNum){
+ unsigned Reg = MI->getOperand(OpNum).getReg();
if (Reg) {
assert(Reg == ARM::CPSR && "Expect ARM CPSR register!");
O << 's';
}
}
-void ARMAsmPrinter::printPCLabel(const MachineInstr *MI, int opNum) {
- int Id = (int)MI->getOperand(opNum).getImm();
+void ARMAsmPrinter::printPCLabel(const MachineInstr *MI, int OpNum) {
+ int Id = (int)MI->getOperand(OpNum).getImm();
O << TAI->getPrivateGlobalPrefix() << "PC" << Id;
}
-void ARMAsmPrinter::printRegisterList(const MachineInstr *MI, int opNum) {
+void ARMAsmPrinter::printRegisterList(const MachineInstr *MI, int OpNum) {
O << "{";
- for (unsigned i = opNum, e = MI->getNumOperands(); i != e; ++i) {
+ for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
printOperand(MI, i);
if (i != e-1) O << ", ";
}
O << "}";
}
-void ARMAsmPrinter::printCPInstOperand(const MachineInstr *MI, int OpNo,
+void ARMAsmPrinter::printCPInstOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
assert(Modifier && "This operand only works with a modifier!");
// There are two aspects to a CONSTANTPOOL_ENTRY operand, the label and the
// data itself.
if (!strcmp(Modifier, "label")) {
- unsigned ID = MI->getOperand(OpNo).getImm();
+ unsigned ID = MI->getOperand(OpNum).getImm();
O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << ID << ":\n";
} else {
assert(!strcmp(Modifier, "cpentry") && "Unknown modifier for CPE");
- unsigned CPI = MI->getOperand(OpNo).getIndex();
+ unsigned CPI = MI->getOperand(OpNum).getIndex();
const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
}
}
-void ARMAsmPrinter::printJTBlockOperand(const MachineInstr *MI, int OpNo) {
- const MachineOperand &MO1 = MI->getOperand(OpNo);
- const MachineOperand &MO2 = MI->getOperand(OpNo+1); // Unique Id
+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()
<< '_' << JTI << '_' << MO2.getImm() << ":\n";
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;
+ 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 (!TAI->getJumpTableDirective())
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
<< getFunctionNumber() << '_' << JTI << '_' << MO2.getImm();
- } else
+ } else {
+ printBasicBlockLabel(MBB, false, false, false);
+ }
+ 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 << TAI->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 << TAI->getData8bitsDirective();
+ else if (HalfWordOffset)
+ O << TAI->getData16bitsDirective();
+ if (ByteOffset || HalfWordOffset) {
+ O << '(';
+ printBasicBlockLabel(MBB, false, false, false);
+ O << "-" << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ << '_' << JTI << '_' << MO2.getImm() << ")/2";
+ } else {
+ O << "\tb.w ";
printBasicBlockLabel(MBB, false, false, false);
+ }
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, " << TRI->getAsmName(MI->getOperand(OpNum).getReg());
+ if (MI->getOpcode() == ARM::t2TBH)
+ O << ", lsl #1";
+ O << ']';
}
-bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+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]) {
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
- case 'a': // Don't print "#" before a global var name or constant.
- case 'c': // Don't print "$" before a global var name or constant.
- printOperand(MI, OpNo, "no_hash");
+ case 'a': // Print as a memory address.
+ if (MI->getOperand(OpNum).isReg()) {
+ O << "[" << TRI->getAsmName(MI->getOperand(OpNum).getReg()) << "]";
+ return false;
+ }
+ // Fallthrough
+ case 'c': // Don't print "#" before an immediate operand.
+ printOperand(MI, OpNum, "no_hash");
return false;
case 'P': // Print a VFP double precision register.
- printOperand(MI, OpNo);
+ printOperand(MI, OpNum);
return false;
case 'Q':
if (TM.getTargetData()->isLittleEndian())
// Fallthrough
case 'H': // Write second word of DI / DF reference.
// Verify that this operand has two consecutive registers.
- if (!MI->getOperand(OpNo).isReg() ||
- OpNo+1 == MI->getNumOperands() ||
- !MI->getOperand(OpNo+1).isReg())
+ if (!MI->getOperand(OpNum).isReg() ||
+ OpNum+1 == MI->getNumOperands() ||
+ !MI->getOperand(OpNum+1).isReg())
return true;
- ++OpNo; // Return the high-part.
+ ++OpNum; // Return the high-part.
}
}
- printOperand(MI, OpNo);
+ printOperand(MI, OpNum);
return false;
}
bool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo, unsigned AsmVariant,
+ unsigned OpNum, unsigned AsmVariant,
const char *ExtraCode) {
if (ExtraCode && ExtraCode[0])
return true; // Unknown modifier.
- printAddrMode2Operand(MI, OpNo);
+ printAddrMode2Operand(MI, OpNum);
return false;
}
bool Result = AsmPrinter::doInitialization(M);
DW = getAnalysisIfAvailable<DwarfWriter>();
- // 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?
}
/// 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;
+static void PrintUnmangledNameSafely(const Value *V,
+ formatted_raw_ostream &OS) {
+ for (StringRef::iterator it = V->getName().begin(),
+ ie = V->getName().end(); it != ie; ++it)
+ if (isprint(*it))
+ OS << *it;
}
-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();
const Type *Type = C->getType();
unsigned Size = TD->getTypeAllocSize(Type);
if (Subtarget->isTargetELF())
O << "\t.type " << name << ",%object\n";
+
+ const MCSection *TheSection =
+ getObjFileLowering().SectionForGlobal(GVar, Mang, TM);
+ SwitchToSection(TheSection);
+ // FIXME: get this stuff from section kind flags.
if (C->isNullValue() && !GVar->hasSection() && !GVar->isThreadLocal() &&
- !(isDarwin &&
- TAI->SectionKindForGlobal(GVar) == SectionKind::RODataMergeStr)) {
- // FIXME: This seems to be pretty darwin-specific
-
+ // 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()) {
O << "\t.globl\t" << name << "\n";
O << Directive << "__DATA, __common, " << name << ", "
O << TAI->getCOMMDirective() << name << "," << Size
<< ',' << Align;
} else {
- SwitchToSection(TAI->SectionForGlobal(GVar));
+ SwitchToSection(getObjFileLowering().SectionForGlobal(GVar, Mang,TM));
O << "\t.globl " << name << '\n'
<< TAI->getWeakDefDirective() << name << '\n';
EmitAlignment(Align, GVar);
O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
} else {
- SwitchToSection(TAI->SectionForGlobal(GVar));
if (GVar->hasLocalLinkage())
O << "\t.local\t" << name << "\n";
O << TAI->getCOMMDirective() << name << "," << Size;
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:
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:
- assert(0 && "Unknown linkage type!");
+ case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
+ case GlobalValue::InternalLinkage:
break;
+ default:
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
bool ARMAsmPrinter::doFinalization(Module &M) {
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I);
-
if (Subtarget->isTargetDarwin()) {
- SwitchToDataSection("");
-
- // Output stubs for dynamically-linked functions
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
+ // All darwin targets use mach-o.
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+
+ O << '\n';
+
+ if (!FnStubs.empty()) {
+ const MCSection *StubSection;
if (TM.getRelocationModel() == Reloc::PIC_)
- SwitchToTextSection(".section __TEXT,__picsymbolstub4,symbol_stubs,"
- "none,16", 0);
+ StubSection = TLOFMacho.getMachOSection(".section __TEXT,__picsymbolstu"
+ "b4,symbol_stubs,none,16", true,
+ SectionKind::getText());
else
- SwitchToTextSection(".section __TEXT,__symbol_stub4,symbol_stubs,"
- "none,12", 0);
+ StubSection = TLOFMacho.getMachOSection(".section __TEXT,__symbol_stub4"
+ ",symbol_stubs,none,12", true,
+ SectionKind::getText());
- 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, "$scv");
- O << ":\n";
- O << "\tadd ip, pc, ip\n";
+ const MCSection *LazySymbolPointerSection
+ = TLOFMacho.getMachOSection(".lazy_symbol_pointer", true,
+ SectionKind::getMetadata());
+
+ // Output stubs for dynamically-linked functions
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(),
+ E = FnStubs.end(); I != E; ++I) {
+ const FnStubInfo &Info = I->second;
+
+ SwitchToSection(StubSection);
+ EmitAlignment(2);
+ O << "\t.code\t32\n";
+
+ O << Info.Stub << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << "\tldr ip, " << Info.SLP << '\n';
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ O << Info.SCV << ":\n";
+ O << "\tadd ip, pc, ip\n";
+ }
+ O << "\tldr pc, [ip, #0]\n";
+ O << Info.SLP << ":\n";
+ O << "\t.long\t" << Info.LazyPtr;
+ if (TM.getRelocationModel() == Reloc::PIC_)
+ O << "-(" << Info.SCV << "+8)";
+ O << '\n';
+
+ SwitchToSection(LazySymbolPointerSection);
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << "\n";
+ O << "\t.long\tdyld_stub_binding_helper\n";
}
- O << "\tldr pc, [ip, #0]\n";
- printSuffixedName(p, "$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";
+ SwitchToSection(TLOFMacho.getMachOSection(".non_lazy_symbol_pointer",
+ true,
+ SectionKind::getMetadata()));
+ for (StringMap<std::string>::iterator I = GVNonLazyPtrs.begin(),
+ E = GVNonLazyPtrs.end(); I != E; ++I) {
+ O << I->second << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << "\n";
O << "\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();
+ SwitchToSection(getObjFileLowering().getDataSection());
+ for (StringMap<std::string>::iterator I = HiddenGVNonLazyPtrs.begin(),
+ E = HiddenGVNonLazyPtrs.end(); I != E; ++I) {
EmitAlignment(2);
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.long " << p << "\n";
+ O << I->second << ":\n";
+ O << "\t.long " << I->getKeyData() << "\n";
}
}
- // Emit initial debug information.
- DW->EndModule();
-
// 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";
- } else {
- // Emit final debug information for ELF.
- DW->EndModule();
}
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,
- ARMTargetMachine &tm,
- CodeGenOpt::Level OptLevel,
- bool verbose) {
- return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo(), OptLevel, verbose);
-}
-
-namespace {
- static struct Register {
- Register() {
- ARMTargetMachine::registerAsmPrinter(createARMCodePrinterPass);
- }
- } Registrator;
-}
-
// Force static initialization.
-extern "C" void LLVMInitializeARMAsmPrinter() { }
+extern "C" void LLVMInitializeARMAsmPrinter() {
+ RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget);
+ RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget);
+}
projects / oota-llvm.git / blobdiff