#include "ARMTargetMachine.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
+#include "llvm/Type.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.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 <cctype>
using namespace llvm;
const char *Modifier = 0);
void printBitfieldInvMaskImmOperand (const MachineInstr *MI, int OpNum);
+ void printThumbS4ImmOperand(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,
printDataDirective(MCPV->getType());
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
- std::string Name;
+ SmallString<128> TmpNameStr;
if (ACPV->isLSDA()) {
- SmallString<16> LSDAName;
- raw_svector_ostream(LSDAName) << MAI->getPrivateGlobalPrefix() <<
+ raw_svector_ostream(TmpNameStr) << MAI->getPrivateGlobalPrefix() <<
"_LSDA_" << getFunctionNumber();
- Name = LSDAName.str();
+ O << TmpNameStr.str();
} else if (ACPV->isBlockAddress()) {
- Name = GetBlockAddressSymbol(ACPV->getBlockAddress())->getName();
+ O << GetBlockAddressSymbol(ACPV->getBlockAddress())->getName();
} else if (ACPV->isGlobalValue()) {
GlobalValue *GV = ACPV->getGV();
bool isIndirect = Subtarget->isTargetDarwin() &&
Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel());
if (!isIndirect)
- Name = Mang->getMangledName(GV);
+ O << *GetGlobalValueSymbol(GV);
else {
// FIXME: Remove this when Darwin transition to @GOT like syntax.
- Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
- MCSymbol *Sym = OutContext.GetOrCreateSymbol(StringRef(Name));
+ MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
+ O << *Sym;
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());
- }
+ if (StubSym == 0)
+ StubSym = GetGlobalValueSymbol(GV);
}
} else {
assert(ACPV->isExtSymbol() && "unrecognized constant pool value");
- Name = Mang->makeNameProper(ACPV->getSymbol());
+ O << *GetExternalSymbolSymbol(ACPV->getSymbol());
}
- O << Name;
if (ACPV->hasModifier()) O << "(" << ACPV->getModifier() << ")";
if (ACPV->getPCAdjustment() != 0) {
<< "+" << (unsigned)ACPV->getPCAdjustment();
if (ACPV->mustAddCurrentAddress())
O << "-.";
- O << ")";
+ O << ')';
}
- O << "\n";
+ O << '\n';
}
void getAnalysisUsage(AnalysisUsage &AU) const {
case Function::InternalLinkage:
break;
case Function::ExternalLinkage:
- O << "\t.globl\t" << CurrentFnName << "\n";
+ O << "\t.globl\t" << *CurrentFnSym << "\n";
break;
case Function::LinkerPrivateLinkage:
case Function::WeakAnyLinkage:
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
if (Subtarget->isTargetDarwin()) {
- O << "\t.globl\t" << CurrentFnName << "\n";
- O << "\t.weak_definition\t" << CurrentFnName << "\n";
+ O << "\t.globl\t" << *CurrentFnSym << "\n";
+ O << "\t.weak_definition\t" << *CurrentFnSym << "\n";
} else {
- O << MAI->getWeakRefDirective() << CurrentFnName << "\n";
+ O << MAI->getWeakRefDirective() << *CurrentFnSym << "\n";
}
break;
}
- printVisibility(CurrentFnName, F->getVisibility());
+ printVisibility(CurrentFnSym, F->getVisibility());
unsigned FnAlign = 1 << MF.getAlignment(); // MF alignment is log2.
if (AFI->isThumbFunction()) {
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
- O << "\t" << CurrentFnName;
+ O << "\t" << *CurrentFnSym;
O << "\n";
} else {
EmitAlignment(FnAlign, F);
}
- O << CurrentFnName << ":\n";
+ O << *CurrentFnSym << ":\n";
// Emit pre-function debug information.
DW->BeginFunction(&MF);
}
if (MAI->hasDotTypeDotSizeDirective())
- O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
+ O << "\t.size " << *CurrentFnSym << ", .-" << *CurrentFnSym << "\n";
// Emit post-function debug information.
DW->EndFunction(&MF);
void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
const MachineOperand &MO = MI->getOperand(OpNum);
+ unsigned TF = MO.getTargetFlags();
+
switch (MO.getType()) {
default:
assert(0 && "<unknown operand type>");
case MachineOperand::MO_Immediate: {
int64_t Imm = MO.getImm();
O << '#';
- if (Modifier) {
- if (strcmp(Modifier, "lo16") == 0)
- O << ":lower16:";
- else if (strcmp(Modifier, "hi16") == 0)
- O << ":upper16:";
- }
+ if ((Modifier && strcmp(Modifier, "lo16") == 0) ||
+ (TF & ARMII::MO_LO16))
+ O << ":lower16:";
+ else if ((Modifier && strcmp(Modifier, "hi16") == 0) ||
+ (TF & ARMII::MO_HI16))
+ O << ":upper16:";
O << Imm;
break;
}
case MachineOperand::MO_MachineBasicBlock:
- GetMBBSymbol(MO.getMBB()->getNumber())->print(O, MAI);
+ O << *GetMBBSymbol(MO.getMBB()->getNumber());
return;
case MachineOperand::MO_GlobalAddress: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
GlobalValue *GV = MO.getGlobal();
- O << Mang->getMangledName(GV);
+
+ if ((Modifier && strcmp(Modifier, "lo16") == 0) ||
+ (TF & ARMII::MO_LO16))
+ O << ":lower16:";
+ else if ((Modifier && strcmp(Modifier, "hi16") == 0) ||
+ (TF & ARMII::MO_HI16))
+ O << ":upper16:";
+ O << *GetGlobalValueSymbol(GV);
printOffset(MO.getOffset());
}
case MachineOperand::MO_ExternalSymbol: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
- std::string Name = Mang->makeNameProper(MO.getSymbolName());
-
- O << Name;
+ O << *GetExternalSymbolSymbol(MO.getSymbolName());
+
if (isCallOp && Subtarget->isTargetELF() &&
TM.getRelocationModel() == Reloc::PIC_)
O << "(PLT)";
//===--------------------------------------------------------------------===//
+void ARMAsmPrinter::printThumbS4ImmOperand(const MachineInstr *MI, int Op) {
+ O << "#" << MI->getOperand(Op).getImm() * 4;
+}
+
void
ARMAsmPrinter::printThumbITMask(const MachineInstr *MI, int Op) {
// (3 - the number of trailing zeros) is the number of then / else.
<< '_' << JTI << '_' << MO2.getImm()
<< "_set_" << MBB->getNumber();
else if (TM.getRelocationModel() == Reloc::PIC_) {
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << '-' << MAI->getPrivateGlobalPrefix() << "JTI"
+ O << *GetMBBSymbol(MBB->getNumber())
+ << '-' << MAI->getPrivateGlobalPrefix() << "JTI"
<< getFunctionNumber() << '_' << JTI << '_' << MO2.getImm();
} else {
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << *GetMBBSymbol(MBB->getNumber());
}
if (i != e-1)
O << '\n';
else if (HalfWordOffset)
O << MAI->getData16bitsDirective();
if (ByteOffset || HalfWordOffset) {
- O << '(';
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << '(' << *GetMBBSymbol(MBB->getNumber());
O << "-" << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << JTI << '_' << MO2.getImm() << ")/2";
} else {
- O << "\tb.w ";
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << "\tb.w " << *GetMBBSymbol(MBB->getNumber());
}
if (i != e-1)
O << '\n';
void ARMAsmPrinter::printVFPf32ImmOperand(const MachineInstr *MI, int OpNum) {
const ConstantFP *FP = MI->getOperand(OpNum).getFPImm();
- O << '#' << ARM::getVFPf32Imm(FP->getValueAPF());
+ O << '#' << FP->getValueAPF().convertToFloat();
if (VerboseAsm) {
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << ' ';
void ARMAsmPrinter::printVFPf64ImmOperand(const MachineInstr *MI, int OpNum) {
const ConstantFP *FP = MI->getOperand(OpNum).getFPImm();
- O << '#' << ARM::getVFPf64Imm(FP->getValueAPF());
+ O << '#' << FP->getValueAPF().convertToDouble();
if (VerboseAsm) {
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << ' ';
printNoHashImmediate(MI, OpNum);
return false;
case 'P': // Print a VFP double precision register.
+ case 'q': // Print a NEON quad precision register.
printOperand(MI, OpNum);
return false;
case 'Q':
return;
}
- std::string name = Mang->getMangledName(GVar);
+ MCSymbol *GVarSym = GetGlobalValueSymbol(GVar);
+
Constant *C = GVar->getInitializer();
const Type *Type = C->getType();
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
bool isDarwin = Subtarget->isTargetDarwin();
- printVisibility(name, GVar->getVisibility());
+ printVisibility(GVarSym, GVar->getVisibility());
if (Subtarget->isTargetELF())
- O << "\t.type " << name << ",%object\n";
+ O << "\t.type " << *GVarSym << ",%object\n";
+ SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GVar, TM);
+
+ // Handle normal common symbols.
+ if (GVKind.isCommon()) {
+ if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
+
+ O << ".comm " << *GVarSym << ',' << Size;
+ if (MAI->getCOMMDirectiveTakesAlignment())
+ O << ',' << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+
+ if (VerboseAsm) {
+ O << "\t\t" << MAI->getCommentString() << " '";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
+ O << '\'';
+ }
+ O << '\n';
+ return;
+ }
+
const MCSection *TheSection =
- getObjFileLowering().SectionForGlobal(GVar, Mang, TM);
+ getObjFileLowering().SectionForGlobal(GVar, GVKind, Mang, TM);
+
+ // Handle the zerofill directive on darwin, which is a special form of BSS
+ // emission.
+ if (GVKind.isBSS() && MAI->hasMachoZeroFillDirective()) {
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ if (TLOFMacho.isDataCommonSection(TheSection)) {
+ // .globl _foo
+ OutStreamer.EmitSymbolAttribute(GVarSym, MCStreamer::Global);
+ // .zerofill __DATA, __common, _foo, 400, 5
+ OutStreamer.EmitZerofill(TheSection, GVarSym, Size, 1 << Align);
+ return;
+ }
+ }
+
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()) {
- if (const char *Directive = MAI->getZeroFillDirective()) {
- O << "\t.globl\t" << name << "\n";
- O << Directive << "__DATA, __common, " << name << ", "
- << Size << ", " << Align << "\n";
- return;
- }
- }
+ !TheSection->getKind().isMergeableCString() &&
+ (GVar->hasLocalLinkage() || GVar->isWeakForLinker())) {
+ if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
- if (GVar->hasLocalLinkage() || GVar->isWeakForLinker()) {
- if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
-
- if (isDarwin) {
- if (GVar->hasLocalLinkage()) {
- O << MAI->getLCOMMDirective() << name << "," << Size
- << ',' << Align;
- } else if (GVar->hasCommonLinkage()) {
- O << MAI->getCOMMDirective() << name << "," << Size
- << ',' << Align;
- } else {
- OutStreamer.SwitchSection(TheSection);
- O << "\t.globl " << name << '\n'
- << MAI->getWeakDefDirective() << name << '\n';
- EmitAlignment(Align, GVar);
- O << name << ":";
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << ' ';
- WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
- }
- O << '\n';
- EmitGlobalConstant(C);
- return;
- }
- } else if (MAI->getLCOMMDirective() != NULL) {
- if (GVar->hasLocalLinkage()) {
- O << MAI->getLCOMMDirective() << name << "," << Size;
- } else {
- O << MAI->getCOMMDirective() << name << "," << Size;
- if (MAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ if (isDarwin) {
+ if (GVar->hasLocalLinkage()) {
+ O << MAI->getLCOMMDirective() << *GVarSym << ',' << Size
+ << ',' << Align;
+ } else if (GVar->hasCommonLinkage()) {
+ O << MAI->getCOMMDirective() << *GVarSym << ',' << Size
+ << ',' << Align;
+ } else {
+ OutStreamer.SwitchSection(TheSection);
+ O << "\t.globl " << *GVarSym << '\n' << MAI->getWeakDefDirective();
+ O << *GVarSym << '\n';
+ EmitAlignment(Align, GVar);
+ O << *GVarSym << ":";
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ';
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
+ O << '\n';
+ EmitGlobalConstant(C);
+ return;
+ }
+ } else if (MAI->getLCOMMDirective() != NULL) {
+ if (GVar->hasLocalLinkage()) {
+ O << MAI->getLCOMMDirective() << *GVarSym << "," << Size;
} else {
- if (GVar->hasLocalLinkage())
- O << "\t.local\t" << name << "\n";
- O << MAI->getCOMMDirective() << name << "," << Size;
+ O << MAI->getCOMMDirective() << *GVarSym << "," << Size;
if (MAI->getCOMMDirectiveTakesAlignment())
- O << "," << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << ' ';
- WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
+ O << ',' << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
- O << "\n";
- return;
+ } else {
+ if (GVar->hasLocalLinkage())
+ O << "\t.local\t" << *GVarSym << '\n';
+ O << MAI->getCOMMDirective() << *GVarSym << "," << Size;
+ if (MAI->getCOMMDirectiveTakesAlignment())
+ O << "," << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
+ }
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ';
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
+ O << "\n";
+ return;
}
switch (GVar->getLinkage()) {
case GlobalValue::WeakODRLinkage:
case GlobalValue::LinkerPrivateLinkage:
if (isDarwin) {
- O << "\t.globl " << name << "\n"
- << "\t.weak_definition " << name << "\n";
+ O << "\t.globl " << *GVarSym
+ << "\n\t.weak_definition " << *GVarSym << "\n";
} else {
- O << "\t.weak " << name << "\n";
+ O << "\t.weak " << *GVarSym << "\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:
- O << "\t.globl " << name << "\n";
+ O << "\t.globl " << *GVarSym << "\n";
break;
case GlobalValue::PrivateLinkage:
case GlobalValue::InternalLinkage:
}
EmitAlignment(Align, GVar);
- O << name << ":";
+ O << *GVarSym << ":";
if (VerboseAsm) {
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << ' ';
}
O << "\n";
if (MAI->hasDotTypeDotSizeDirective())
- O << "\t.size " << name << ", " << Size << "\n";
+ O << "\t.size " << *GVarSym << ", " << Size << "\n";
EmitGlobalConstant(C);
O << '\n';
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";
+ O << *Stubs[i].first << ":\n\t.indirect_symbol ";
+ O << *Stubs[i].second << "\n\t.long\t0\n";
}
}
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";
- }
+ for (unsigned i = 0, e = Stubs.size(); i != e; ++i)
+ O << *Stubs[i].first << ":\n\t.long " << *Stubs[i].second << "\n";
}
// Funny Darwin hack: This flag tells the linker that no global symbols
projects / oota-llvm.git / blobdiff