break;
case Function::DLLExportLinkage:
case Function::ExternalLinkage:
- O << "\t.globl\t" << *CurrentFnSym << '\n';
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
break;
case Function::LinkerPrivateLinkage:
case Function::LinkOnceAnyLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
if (Subtarget->isTargetDarwin()) {
- O << "\t.globl\t" << *CurrentFnSym << '\n';
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
O << MAI->getWeakDefDirective() << *CurrentFnSym << '\n';
} else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << *CurrentFnSym;
- O << "\n\t.linkonce discard\n";
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
+ // FIXME: linkonce should be a section attribute, handled by COFF Section
+ // assignment.
+ // http://sourceware.org/binutils/docs-2.20/as/Linkonce.html#Linkonce
+ O << "\t.linkonce discard\n";
} else {
O << "\t.weak\t" << *CurrentFnSym << '\n';
}
printVisibility(CurrentFnSym, F->getVisibility());
- if (Subtarget->isTargetELF()) {
- O << "\t.type\t" << *CurrentFnSym << ",@function\n";
+ if (MAI->hasDotTypeDotSizeDirective()) {
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_ELF_TypeFunction);
} else if (Subtarget->isTargetCygMing()) {
O << "\t.def\t " << *CurrentFnSym;
O << ";\t.scl\t" <<
DW->EndFunction(&MF);
// Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
+ EmitJumpTableInfo(MF);
// We didn't modify anything.
return false;
switch (MO.getType()) {
default: llvm_unreachable("unknown symbol type!");
case MachineOperand::MO_JumpTableIndex:
- O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_'
- << MO.getIndex();
+ O << *GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
- O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << MO.getIndex();
+ O << *GetCPISymbol(MO.getIndex());
printOffset(MO.getOffset());
break;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
- const MCSymbol *GVSym;
+ MCSymbol *GVSym;
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB)
GVSym = GetSymbolWithGlobalValueBase(GV, "$stub");
else if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier) {
+ const char *Modifier) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type!");
return;
// We don't need .set machinery if we have GOT-style relocations
- if (Subtarget->isPICStyleGOT())
+ if (Subtarget->isPICStyleGOT()) // X86-32 on ELF.
return;
O << MAI->getSetDirective() << ' ' << MAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- O << GetMBBSymbol(MBB->getNumber());
+ O << *GetMBBSymbol(MBB->getNumber());
if (Subtarget->isPICStyleRIPRel())
- O << '-' << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << uid << '\n';
+ O << '-' << *GetJTISymbol(uid) << '\n';
else {
O << '-';
PrintPICBaseSymbol();
void X86AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
const MachineBasicBlock *MBB,
unsigned uid) const {
- const char *JTEntryDirective = MJTI->getEntrySize() == 4 ?
+ const char *JTEntryDirective = MJTI->getEntrySize(*TM.getTargetData()) == 4 ?
MAI->getData32bitsDirective() : MAI->getData64bitsDirective();
O << JTEntryDirective << ' ';
if (Subtarget->isPICStyleRIPRel() || Subtarget->isPICStyleStubPIC()) {
- O << MAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << '_' << uid << "_set_" << MBB->getNumber();
+ O << *GetJTSetSymbol(uid, MBB->getNumber());
} else if (Subtarget->isPICStyleGOT())
O << *GetMBBSymbol(MBB->getNumber()) << "@GOTOFF";
- else
+ else // mdynamic-no-pic
O << *GetMBBSymbol(MBB->getNumber());
+ O << '\n';
}
bool X86AsmPrinter::printAsmMRegister(const MachineOperand &MO, char Mode) {
processDebugLoc(MI, false);
}
-void X86AsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
- if (!GVar->hasInitializer())
- return; // External global require no code
-
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(GVar)) {
- if (Subtarget->isTargetDarwin() &&
- TM.getRelocationModel() == Reloc::Static) {
- if (GVar->getName() == "llvm.global_ctors")
- O << ".reference .constructors_used\n";
- else if (GVar->getName() == "llvm.global_dtors")
- O << ".reference .destructors_used\n";
- }
- return;
- }
-
- const TargetData *TD = TM.getTargetData();
-
- MCSymbol *GVSym = GetGlobalValueSymbol(GVar);
- Constant *C = GVar->getInitializer();
- const Type *Type = C->getType();
- unsigned Size = TD->getTypeAllocSize(Type);
- unsigned Align = TD->getPreferredAlignmentLog(GVar);
-
- printVisibility(GVSym, GVar->getVisibility());
-
- if (Subtarget->isTargetELF())
- O << "\t.type\t" << *GVSym << ",@object\n";
-
- SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GVar, TM);
- const MCSection *TheSection =
- getObjFileLowering().SectionForGlobal(GVar, GVKind, Mang, TM);
- OutStreamer.SwitchSection(TheSection);
-
- // FIXME: get this stuff from section kind flags.
- if (C->isNullValue() && !GVar->hasSection() &&
- // 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 " << *GVSym << '\n';
- O << Directive << "__DATA, __common, " << *GVSym;
- O << ", " << Size << ", " << Align << '\n';
- return;
- }
- }
-
- if (!GVar->isThreadLocal() &&
- (GVar->hasLocalLinkage() || GVar->isWeakForLinker())) {
- if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
-
- if (MAI->getLCOMMDirective() != NULL) {
- if (GVar->hasLocalLinkage()) {
- O << MAI->getLCOMMDirective() << *GVSym << ',' << Size;
- if (Subtarget->isTargetDarwin())
- O << ',' << Align;
- } else if (Subtarget->isTargetDarwin() && !GVar->hasCommonLinkage()) {
- O << "\t.globl " << *GVSym << '\n';
- O << MAI->getWeakDefDirective() << *GVSym << '\n';
- EmitAlignment(Align, GVar);
- O << *GVSym << ":";
- if (VerboseAsm) {
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << ' ';
- WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
- }
- O << '\n';
- EmitGlobalConstant(C);
- return;
- } else {
- O << MAI->getCOMMDirective() << *GVSym << ',' << Size;
- if (MAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- } else {
- if (!Subtarget->isTargetCygMing()) {
- if (GVar->hasLocalLinkage())
- O << "\t.local\t" << *GVSym << '\n';
- }
- O << MAI->getCOMMDirective() << *GVSym << ',' << 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::CommonLinkage:
- case GlobalValue::LinkOnceAnyLinkage:
- case GlobalValue::LinkOnceODRLinkage:
- case GlobalValue::WeakAnyLinkage:
- case GlobalValue::WeakODRLinkage:
- case GlobalValue::LinkerPrivateLinkage:
- if (Subtarget->isTargetDarwin()) {
- O << "\t.globl " << *GVSym << '\n';
- O << MAI->getWeakDefDirective() << *GVSym << '\n';
- } else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << *GVSym;
- O << "\n\t.linkonce same_size\n";
- } else
- O << "\t.weak\t" << *GVSym << '\n';
- break;
- case GlobalValue::DLLExportLinkage:
- 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:
- // If external or appending, declare as a global symbol
- O << "\t.globl " << *GVSym << '\n';
- // FALL THROUGH
- case GlobalValue::PrivateLinkage:
- case GlobalValue::InternalLinkage:
- break;
- default:
- llvm_unreachable("Unknown linkage type!");
- }
-
- EmitAlignment(Align, GVar);
- O << *GVSym << ":";
- if (VerboseAsm){
- O.PadToColumn(MAI->getCommentColumn());
- O << MAI->getCommentString() << ' ';
- WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
- }
- O << '\n';
-
- EmitGlobalConstant(C);
-
- if (MAI->hasDotTypeDotSizeDirective())
- O << "\t.size\t" << *GVSym << ", " << Size << '\n';
-}
-
void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
if (Subtarget->isTargetDarwin()) {
// All darwin targets use mach-o.
// 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.
- OutStreamer.EmitAssemblerFlag(MCStreamer::SubsectionsViaSymbols);
+ OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
}
if (Subtarget->isTargetCOFF()) {
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
if (I->hasDLLExportLinkage()) {
- const MCSymbol *Sym = GetGlobalValueSymbol(I);
+ MCSymbol *Sym = GetGlobalValueSymbol(I);
COFFMMI.DecorateCygMingName(Sym, OutContext, I, *TM.getTargetData());
DLLExportedFns.push_back(Sym);
}
projects / oota-llvm.git / blobdiff