#include "X86AsmPrinter.h"
#include "InstPrinter/X86ATTInstPrinter.h"
-#include "X86.h"
-#include "X86COFFMachineModuleInfo.h"
+#include "MCTargetDesc/X86BaseInfo.h"
+#include "X86InstrInfo.h"
#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
#include "llvm/ADT/SmallString.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/CodeGen/MachineValueType.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
-#include "llvm/DebugInfo.h"
-#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Mangler.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetOptions.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
/// runOnMachineFunction - Emit the function body.
///
bool X86AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+ SMShadowTracker.startFunction(MF);
+
SetupMachineFunction(MF);
- if (Subtarget->isTargetCOFF() && !Subtarget->isTargetEnvMacho()) {
+ if (Subtarget->isTargetCOFF()) {
bool Intrn = MF.getFunction()->hasInternalLinkage();
OutStreamer.BeginCOFFSymbolDef(CurrentFnSym);
OutStreamer.EmitCOFFSymbolStorageClass(Intrn ? COFF::IMAGE_SYM_CLASS_STATIC
raw_ostream &O) {
switch (MO.getType()) {
default: llvm_unreachable("unknown symbol type!");
- case MachineOperand::MO_JumpTableIndex:
- O << *P.GetJTISymbol(MO.getIndex());
- break;
case MachineOperand::MO_ConstantPoolIndex:
O << *P.GetCPISymbol(MO.getIndex());
P.printOffset(MO.getOffset(), O);
MCSymbol *GVSym;
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB)
- GVSym = P.GetSymbolWithGlobalValueBase(GV, "$stub");
+ GVSym = P.getSymbolWithGlobalValueBase(GV, "$stub");
else if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE ||
MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE)
- GVSym = P.GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
+ GVSym = P.getSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
else
GVSym = P.getSymbol(GV);
if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE) {
- MCSymbol *Sym = P.GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
+ MCSymbol *Sym = P.getSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
MachineModuleInfoImpl::StubValueTy &StubSym =
P.MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(Sym);
- if (StubSym.getPointer() == 0)
+ if (!StubSym.getPointer())
StubSym = MachineModuleInfoImpl::
StubValueTy(P.getSymbol(GV), !GV->hasInternalLinkage());
} else if (MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE){
- MCSymbol *Sym = P.GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
+ MCSymbol *Sym = P.getSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
MachineModuleInfoImpl::StubValueTy &StubSym =
P.MMI->getObjFileInfo<MachineModuleInfoMachO>().getHiddenGVStubEntry(
Sym);
- if (StubSym.getPointer() == 0)
+ if (!StubSym.getPointer())
StubSym = MachineModuleInfoImpl::
StubValueTy(P.getSymbol(GV), !GV->hasInternalLinkage());
} else if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
- MCSymbol *Sym = P.GetSymbolWithGlobalValueBase(GV, "$stub");
+ MCSymbol *Sym = P.getSymbolWithGlobalValueBase(GV, "$stub");
MachineModuleInfoImpl::StubValueTy &StubSym =
P.MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
- if (StubSym.getPointer() == 0)
+ if (!StubSym.getPointer())
StubSym = MachineModuleInfoImpl::
StubValueTy(P.getSymbol(GV), !GV->hasInternalLinkage());
}
P.printOffset(MO.getOffset(), O);
break;
}
- case MachineOperand::MO_ExternalSymbol: {
- const MCSymbol *SymToPrint;
- if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
- SmallString<128> TempNameStr;
- TempNameStr += StringRef(MO.getSymbolName());
- TempNameStr += StringRef("$stub");
-
- MCSymbol *Sym = P.GetExternalSymbolSymbol(TempNameStr.str());
- MachineModuleInfoImpl::StubValueTy &StubSym =
- P.MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
- if (StubSym.getPointer() == 0) {
- TempNameStr.erase(TempNameStr.end()-5, TempNameStr.end());
- StubSym = MachineModuleInfoImpl::
- StubValueTy(P.OutContext.GetOrCreateSymbol(TempNameStr.str()),
- true);
- }
- SymToPrint = StubSym.getPointer();
- } else {
- SymToPrint = P.GetExternalSymbolSymbol(MO.getSymbolName());
- }
-
- // If the name begins with a dollar-sign, enclose it in parens. We do this
- // to avoid having it look like an integer immediate to the assembler.
- if (SymToPrint->getName()[0] != '$')
- O << *SymToPrint;
- else
- O << '(' << *SymToPrint << '(';
- break;
- }
}
switch (MO.getTargetFlags()) {
static void printOperand(X86AsmPrinter &P, const MachineInstr *MI,
unsigned OpNo, raw_ostream &O,
- const char *Modifier = 0, unsigned AsmVariant = 0);
+ const char *Modifier = nullptr, unsigned AsmVariant = 0);
/// printPCRelImm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for
O << MO.getImm();
return;
- case MachineOperand::MO_JumpTableIndex:
- case MachineOperand::MO_ConstantPoolIndex:
- case MachineOperand::MO_GlobalAddress:
- case MachineOperand::MO_ExternalSymbol: {
+ case MachineOperand::MO_GlobalAddress: {
if (AsmVariant == 0) O << '$';
printSymbolOperand(P, MO, O);
break;
}
}
-void X86AsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op,
- raw_ostream &O, const char *Modifier) {
- const MachineOperand &BaseReg = MI->getOperand(Op);
- const MachineOperand &IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
+static void printLeaMemReference(X86AsmPrinter &P, const MachineInstr *MI,
+ unsigned Op, raw_ostream &O,
+ const char *Modifier = nullptr) {
+ const MachineOperand &BaseReg = MI->getOperand(Op+X86::AddrBaseReg);
+ const MachineOperand &IndexReg = MI->getOperand(Op+X86::AddrIndexReg);
+ const MachineOperand &DispSpec = MI->getOperand(Op+X86::AddrDisp);
// If we really don't want to print out (rip), don't.
bool HasBaseReg = BaseReg.getReg() != 0;
// HasParenPart - True if we will print out the () part of the mem ref.
bool HasParenPart = IndexReg.getReg() || HasBaseReg;
- if (DispSpec.isImm()) {
+ switch (DispSpec.getType()) {
+ default:
+ llvm_unreachable("unknown operand type!");
+ case MachineOperand::MO_Immediate: {
int DispVal = DispSpec.getImm();
if (DispVal || !HasParenPart)
O << DispVal;
- } else {
- assert(DispSpec.isGlobal() || DispSpec.isCPI() ||
- DispSpec.isJTI() || DispSpec.isSymbol());
- printSymbolOperand(*this, MI->getOperand(Op+3), O);
+ break;
+ }
+ case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_ConstantPoolIndex:
+ printSymbolOperand(P, DispSpec, O);
}
if (Modifier && strcmp(Modifier, "H") == 0)
O << '(';
if (HasBaseReg)
- printOperand(*this, MI, Op, O, Modifier);
+ printOperand(P, MI, Op+X86::AddrBaseReg, O, Modifier);
if (IndexReg.getReg()) {
O << ',';
- printOperand(*this, MI, Op+2, O, Modifier);
- unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ printOperand(P, MI, Op+X86::AddrIndexReg, O, Modifier);
+ unsigned ScaleVal = MI->getOperand(Op+X86::AddrScaleAmt).getImm();
if (ScaleVal != 1)
O << ',' << ScaleVal;
}
}
}
-void X86AsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
- raw_ostream &O, const char *Modifier) {
+static void printMemReference(X86AsmPrinter &P, const MachineInstr *MI,
+ unsigned Op, raw_ostream &O,
+ const char *Modifier = nullptr) {
assert(isMem(MI, Op) && "Invalid memory reference!");
- const MachineOperand &Segment = MI->getOperand(Op+4);
+ const MachineOperand &Segment = MI->getOperand(Op+X86::AddrSegmentReg);
if (Segment.getReg()) {
- printOperand(*this, MI, Op+4, O, Modifier);
+ printOperand(P, MI, Op+X86::AddrSegmentReg, O, Modifier);
O << ':';
}
- printLeaMemReference(MI, Op, O, Modifier);
+ printLeaMemReference(P, MI, Op, O, Modifier);
}
-void X86AsmPrinter::printIntelMemReference(const MachineInstr *MI, unsigned Op,
- raw_ostream &O, const char *Modifier,
- unsigned AsmVariant){
- const MachineOperand &BaseReg = MI->getOperand(Op);
- unsigned ScaleVal = MI->getOperand(Op+1).getImm();
- const MachineOperand &IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
- const MachineOperand &SegReg = MI->getOperand(Op+4);
+static void printIntelMemReference(X86AsmPrinter &P, const MachineInstr *MI,
+ unsigned Op, raw_ostream &O,
+ const char *Modifier = nullptr,
+ unsigned AsmVariant = 1) {
+ const MachineOperand &BaseReg = MI->getOperand(Op+X86::AddrBaseReg);
+ unsigned ScaleVal = MI->getOperand(Op+X86::AddrScaleAmt).getImm();
+ const MachineOperand &IndexReg = MI->getOperand(Op+X86::AddrIndexReg);
+ const MachineOperand &DispSpec = MI->getOperand(Op+X86::AddrDisp);
+ const MachineOperand &SegReg = MI->getOperand(Op+X86::AddrSegmentReg);
// If this has a segment register, print it.
if (SegReg.getReg()) {
- printOperand(*this, MI, Op+4, O, Modifier, AsmVariant);
+ printOperand(P, MI, Op+X86::AddrSegmentReg, O, Modifier, AsmVariant);
O << ':';
}
bool NeedPlus = false;
if (BaseReg.getReg()) {
- printOperand(*this, MI, Op, O, Modifier, AsmVariant);
+ printOperand(P, MI, Op+X86::AddrBaseReg, O, Modifier, AsmVariant);
NeedPlus = true;
}
if (NeedPlus) O << " + ";
if (ScaleVal != 1)
O << ScaleVal << '*';
- printOperand(*this, MI, Op+2, O, Modifier, AsmVariant);
+ printOperand(P, MI, Op+X86::AddrIndexReg, O, Modifier, AsmVariant);
NeedPlus = true;
}
if (!DispSpec.isImm()) {
if (NeedPlus) O << " + ";
- printOperand(*this, MI, Op+3, O, Modifier, AsmVariant);
+ printOperand(P, MI, Op+X86::AddrDisp, O, Modifier, AsmVariant);
} else {
int64_t DispVal = DispSpec.getImm();
if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
O << ']';
}
-bool X86AsmPrinter::printAsmMRegister(const MachineOperand &MO, char Mode,
- raw_ostream &O) {
+static bool printAsmMRegister(X86AsmPrinter &P, const MachineOperand &MO,
+ char Mode, raw_ostream &O) {
unsigned Reg = MO.getReg();
switch (Mode) {
default: return true; // Unknown mode.
case 'k': // Print SImode register
Reg = getX86SubSuperRegister(Reg, MVT::i32);
break;
- case 'q': // Print DImode register
- // FIXME: gcc will actually print e instead of r for 32-bit.
- Reg = getX86SubSuperRegister(Reg, MVT::i64);
+ case 'q':
+ // Print 64-bit register names if 64-bit integer registers are available.
+ // Otherwise, print 32-bit register names.
+ MVT::SimpleValueType Ty = P.getSubtarget().is64Bit() ? MVT::i64 : MVT::i32;
+ Reg = getX86SubSuperRegister(Reg, Ty);
break;
}
// See if this is a generic print operand
return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
case 'a': // This is an address. Currently only 'i' and 'r' are expected.
- if (MO.isImm()) {
+ switch (MO.getType()) {
+ default:
+ return true;
+ case MachineOperand::MO_Immediate:
O << MO.getImm();
return false;
- }
- if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol()) {
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_JumpTableIndex:
+ case MachineOperand::MO_ExternalSymbol:
+ llvm_unreachable("unexpected operand type!");
+ case MachineOperand::MO_GlobalAddress:
printSymbolOperand(*this, MO, O);
if (Subtarget->isPICStyleRIPRel())
O << "(%rip)";
return false;
- }
- if (MO.isReg()) {
+ case MachineOperand::MO_Register:
O << '(';
printOperand(*this, MI, OpNo, O);
O << ')';
return false;
}
- return true;
case 'c': // Don't print "$" before a global var name or constant.
- if (MO.isImm())
+ switch (MO.getType()) {
+ default:
+ printOperand(*this, MI, OpNo, O);
+ break;
+ case MachineOperand::MO_Immediate:
O << MO.getImm();
- else if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol())
+ break;
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_JumpTableIndex:
+ case MachineOperand::MO_ExternalSymbol:
+ llvm_unreachable("unexpected operand type!");
+ case MachineOperand::MO_GlobalAddress:
printSymbolOperand(*this, MO, O);
- else
- printOperand(*this, MI, OpNo, O);
+ break;
+ }
return false;
case 'A': // Print '*' before a register (it must be a register)
case 'k': // Print SImode register
case 'q': // Print DImode register
if (MO.isReg())
- return printAsmMRegister(MO, ExtraCode[0], O);
+ return printAsmMRegister(*this, MO, ExtraCode[0], O);
printOperand(*this, MI, OpNo, O);
return false;
}
}
- printOperand(*this, MI, OpNo, O, /*Modifier*/ 0, AsmVariant);
+ printOperand(*this, MI, OpNo, O, /*Modifier*/ nullptr, AsmVariant);
return false;
}
const char *ExtraCode,
raw_ostream &O) {
if (AsmVariant) {
- printIntelMemReference(MI, OpNo, O);
+ printIntelMemReference(*this, MI, OpNo, O);
return false;
}
// These only apply to registers, ignore on mem.
break;
case 'H':
- printMemReference(MI, OpNo, O, "H");
+ printMemReference(*this, MI, OpNo, O, "H");
return false;
case 'P': // Don't print @PLT, but do print as memory.
- printMemReference(MI, OpNo, O, "no-rip");
+ printMemReference(*this, MI, OpNo, O, "no-rip");
return false;
}
}
- printMemReference(MI, OpNo, O);
+ printMemReference(*this, MI, OpNo, O);
return false;
}
void X86AsmPrinter::EmitStartOfAsmFile(Module &M) {
- if (Subtarget->isTargetEnvMacho())
+ if (Subtarget->isTargetMacho())
OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
if (Subtarget->isTargetCOFF()) {
}
}
+static void
+emitNonLazySymbolPointer(MCStreamer &OutStreamer, MCSymbol *StubLabel,
+ MachineModuleInfoImpl::StubValueTy &MCSym) {
+ // L_foo$stub:
+ OutStreamer.EmitLabel(StubLabel);
+ // .indirect_symbol _foo
+ OutStreamer.EmitSymbolAttribute(MCSym.getPointer(), MCSA_IndirectSymbol);
+
+ if (MCSym.getInt())
+ // External to current translation unit.
+ OutStreamer.EmitIntValue(0, 4/*size*/);
+ else
+ // Internal to current translation unit.
+ //
+ // When we place the LSDA into the TEXT section, the type info
+ // pointers need to be indirect and pc-rel. We accomplish this by
+ // using NLPs; however, sometimes the types are local to the file.
+ // We need to fill in the value for the NLP in those cases.
+ OutStreamer.EmitValue(
+ MCSymbolRefExpr::Create(MCSym.getPointer(), OutStreamer.getContext()),
+ 4 /*size*/);
+}
+
+MCSymbol *X86AsmPrinter::GetCPISymbol(unsigned CPID) const {
+ if (Subtarget->isTargetKnownWindowsMSVC()) {
+ const MachineConstantPoolEntry &CPE =
+ MF->getConstantPool()->getConstants()[CPID];
+ if (!CPE.isMachineConstantPoolEntry()) {
+ SectionKind Kind = CPE.getSectionKind(TM.getDataLayout());
+ const Constant *C = CPE.Val.ConstVal;
+ const MCSectionCOFF *S = cast<MCSectionCOFF>(
+ getObjFileLowering().getSectionForConstant(Kind, C));
+ if (MCSymbol *Sym = S->getCOMDATSymbol()) {
+ if (Sym->isUndefined())
+ OutStreamer.EmitSymbolAttribute(Sym, MCSA_Global);
+ return Sym;
+ }
+ }
+ }
+
+ return AsmPrinter::GetCPISymbol(CPID);
+}
+
+void X86AsmPrinter::GenerateExportDirective(const MCSymbol *Sym, bool IsData) {
+ SmallString<128> Directive;
+ raw_svector_ostream OS(Directive);
+ StringRef Name = Sym->getName();
+
+ if (Subtarget->isTargetKnownWindowsMSVC())
+ OS << " /EXPORT:";
+ else
+ OS << " -export:";
+
+ if ((Subtarget->isTargetWindowsGNU() || Subtarget->isTargetWindowsCygwin()) &&
+ (Name[0] == getDataLayout().getGlobalPrefix()))
+ Name = Name.drop_front();
+
+ OS << Name;
+
+ if (IsData) {
+ if (Subtarget->isTargetKnownWindowsMSVC())
+ OS << ",DATA";
+ else
+ OS << ",data";
+ }
+
+ OS.flush();
+ OutStreamer.EmitBytes(Directive);
+}
void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
- if (Subtarget->isTargetEnvMacho()) {
+ if (Subtarget->isTargetMacho()) {
// All darwin targets use mach-o.
MachineModuleInfoMachO &MMIMacho =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
if (!Stubs.empty()) {
const MCSection *TheSection =
OutContext.getMachOSection("__IMPORT", "__jump_table",
- MCSectionMachO::S_SYMBOL_STUBS |
- MCSectionMachO::S_ATTR_SELF_MODIFYING_CODE |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ MachO::S_SYMBOL_STUBS |
+ MachO::S_ATTR_SELF_MODIFYING_CODE |
+ MachO::S_ATTR_PURE_INSTRUCTIONS,
5, SectionKind::getMetadata());
OutStreamer.SwitchSection(TheSection);
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ for (const auto &Stub : Stubs) {
// L_foo$stub:
- OutStreamer.EmitLabel(Stubs[i].first);
+ OutStreamer.EmitLabel(Stub.first);
// .indirect_symbol _foo
- OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(),
+ OutStreamer.EmitSymbolAttribute(Stub.second.getPointer(),
MCSA_IndirectSymbol);
// hlt; hlt; hlt; hlt; hlt hlt = 0xf4.
const char HltInsts[] = "\xf4\xf4\xf4\xf4\xf4";
if (!Stubs.empty()) {
const MCSection *TheSection =
OutContext.getMachOSection("__IMPORT", "__pointers",
- MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
+ MachO::S_NON_LAZY_SYMBOL_POINTERS,
SectionKind::getMetadata());
OutStreamer.SwitchSection(TheSection);
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
- // L_foo$non_lazy_ptr:
- OutStreamer.EmitLabel(Stubs[i].first);
- // .indirect_symbol _foo
- MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second;
- OutStreamer.EmitSymbolAttribute(MCSym.getPointer(),
- MCSA_IndirectSymbol);
- // .long 0
- if (MCSym.getInt())
- // External to current translation unit.
- OutStreamer.EmitIntValue(0, 4/*size*/);
- else
- // Internal to current translation unit.
- //
- // When we place the LSDA into the TEXT section, the type info
- // pointers need to be indirect and pc-rel. We accomplish this by
- // using NLPs. However, sometimes the types are local to the file. So
- // we need to fill in the value for the NLP in those cases.
- OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(),
- OutContext), 4/*size*/);
- }
+ for (auto &Stub : Stubs)
+ emitNonLazySymbolPointer(OutStreamer, Stub.first, Stub.second);
+
Stubs.clear();
OutStreamer.AddBlankLine();
}
Stubs = MMIMacho.GetHiddenGVStubList();
if (!Stubs.empty()) {
- OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
- EmitAlignment(2);
-
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
- // L_foo$non_lazy_ptr:
- OutStreamer.EmitLabel(Stubs[i].first);
- // .long _foo
- OutStreamer.EmitValue(MCSymbolRefExpr::
- Create(Stubs[i].second.getPointer(),
- OutContext), 4/*size*/);
- }
+ const MCSection *TheSection =
+ OutContext.getMachOSection("__IMPORT", "__pointers",
+ MachO::S_NON_LAZY_SYMBOL_POINTERS,
+ SectionKind::getMetadata());
+ OutStreamer.SwitchSection(TheSection);
+
+ for (auto &Stub : Stubs)
+ emitNonLazySymbolPointer(OutStreamer, Stub.first, Stub.second);
+
Stubs.clear();
OutStreamer.AddBlankLine();
}
OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
}
- if (Subtarget->isTargetWindows() && !Subtarget->isTargetCygMing() &&
- MMI->usesVAFloatArgument()) {
+ if (Subtarget->isTargetKnownWindowsMSVC() && MMI->usesVAFloatArgument()) {
StringRef SymbolName = Subtarget->is64Bit() ? "_fltused" : "__fltused";
MCSymbol *S = MMI->getContext().GetOrCreateSymbol(SymbolName);
OutStreamer.EmitSymbolAttribute(S, MCSA_Global);
}
- if (Subtarget->isTargetCOFF() && !Subtarget->isTargetEnvMacho()) {
- X86COFFMachineModuleInfo &COFFMMI =
- MMI->getObjFileInfo<X86COFFMachineModuleInfo>();
-
- // Emit type information for external functions
- typedef X86COFFMachineModuleInfo::externals_iterator externals_iterator;
- for (externals_iterator I = COFFMMI.externals_begin(),
- E = COFFMMI.externals_end();
- I != E; ++I) {
- OutStreamer.BeginCOFFSymbolDef(CurrentFnSym);
- OutStreamer.EmitCOFFSymbolStorageClass(COFF::IMAGE_SYM_CLASS_EXTERNAL);
- OutStreamer.EmitCOFFSymbolType(COFF::IMAGE_SYM_DTYPE_FUNCTION
- << COFF::SCT_COMPLEX_TYPE_SHIFT);
- OutStreamer.EndCOFFSymbolDef();
- }
-
+ if (Subtarget->isTargetCOFF()) {
// Necessary for dllexport support
std::vector<const MCSymbol*> DLLExportedFns, DLLExportedGlobals;
- const TargetLoweringObjectFileCOFF &TLOFCOFF =
- static_cast<const TargetLoweringObjectFileCOFF&>(getObjFileLowering());
+ for (const auto &Function : M)
+ if (Function.hasDLLExportStorageClass())
+ DLLExportedFns.push_back(getSymbol(&Function));
- for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (I->hasDLLExportLinkage())
- DLLExportedFns.push_back(getSymbol(I));
+ for (const auto &Global : M.globals())
+ if (Global.hasDLLExportStorageClass())
+ DLLExportedGlobals.push_back(getSymbol(&Global));
- for (Module::const_global_iterator I = M.global_begin(),
- E = M.global_end(); I != E; ++I)
- if (I->hasDLLExportLinkage())
- DLLExportedGlobals.push_back(getSymbol(I));
+ for (const auto &Alias : M.aliases()) {
+ if (!Alias.hasDLLExportStorageClass())
+ continue;
+
+ if (Alias.getType()->getElementType()->isFunctionTy())
+ DLLExportedFns.push_back(getSymbol(&Alias));
+ else
+ DLLExportedGlobals.push_back(getSymbol(&Alias));
+ }
// Output linker support code for dllexported globals on windows.
if (!DLLExportedGlobals.empty() || !DLLExportedFns.empty()) {
+ const TargetLoweringObjectFileCOFF &TLOFCOFF =
+ static_cast<const TargetLoweringObjectFileCOFF&>(getObjFileLowering());
+
OutStreamer.SwitchSection(TLOFCOFF.getDrectveSection());
- SmallString<128> name;
- for (unsigned i = 0, e = DLLExportedGlobals.size(); i != e; ++i) {
- if (Subtarget->isTargetWindows())
- name = " /EXPORT:";
- else
- name = " -export:";
- name += DLLExportedGlobals[i]->getName();
- if (Subtarget->isTargetWindows())
- name += ",DATA";
- else
- name += ",data";
- OutStreamer.EmitBytes(name);
- }
- for (unsigned i = 0, e = DLLExportedFns.size(); i != e; ++i) {
- if (Subtarget->isTargetWindows())
- name = " /EXPORT:";
- else
- name = " -export:";
- name += DLLExportedFns[i]->getName();
- OutStreamer.EmitBytes(name);
- }
+ for (auto & Symbol : DLLExportedGlobals)
+ GenerateExportDirective(Symbol, /*IsData=*/true);
+ for (auto & Symbol : DLLExportedFns)
+ GenerateExportDirective(Symbol, /*IsData=*/false);
}
}
OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
const DataLayout *TD = TM.getDataLayout();
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
- OutStreamer.EmitLabel(Stubs[i].first);
- OutStreamer.EmitSymbolValue(Stubs[i].second.getPointer(),
+ for (const auto &Stub : Stubs) {
+ OutStreamer.EmitLabel(Stub.first);
+ OutStreamer.EmitSymbolValue(Stub.second.getPointer(),
TD->getPointerSize());
}
Stubs.clear();
projects / oota-llvm.git / blobdiff