#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCSymbolELF.h"
#include "llvm/MC/MCValue.h"
+#include "llvm/Support/COFF.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
report_fatal_error("We do not support this DWARF encoding yet!");
}
-void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
- const TargetMachine &TM,
- const MCSymbol *Sym) const {
+void TargetLoweringObjectFileELF::emitPersonalityValue(
+ MCStreamer &Streamer, const DataLayout &DL, const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
- MCSymbol *Label = getContext().getOrCreateSymbol(NameData);
+ MCSymbolELF *Label =
+ cast<MCSymbolELF>(getContext().getOrCreateSymbol(NameData));
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
NameData.insert(NameData.begin(), Prefix.begin(), Prefix.end());
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
- const MCSection *Sec = getContext().getELFSection(NameData,
- ELF::SHT_PROGBITS,
- Flags,
- 0, Label->getName());
- unsigned Size = TM.getDataLayout()->getPointerSize();
+ MCSection *Sec = getContext().getELFSection(NameData, ELF::SHT_PROGBITS,
+ Flags, 0, Label->getName());
+ unsigned Size = DL.getPointerSize();
Streamer.SwitchSection(Sec);
- Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
+ Streamer.EmitValueToAlignment(DL.getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
- const MCExpr *E = MCConstantExpr::Create(Size, getContext());
- Streamer.EmitELFSize(Label, E);
+ const MCExpr *E = MCConstantExpr::create(Size, getContext());
+ Streamer.emitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}
return TargetLoweringObjectFile::
- getTTypeReference(MCSymbolRefExpr::Create(SSym, getContext()),
+ getTTypeReference(MCSymbolRefExpr::create(SSym, getContext()),
Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
}
return C;
}
-const MCSection *TargetLoweringObjectFileELF::getExplicitSectionGlobal(
+MCSection *TargetLoweringObjectFileELF::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
StringRef SectionName = GV->getSection();
return ".data.rel.ro";
}
-static const MCSectionELF *
+static MCSectionELF *
selectELFSectionForGlobal(MCContext &Ctx, const GlobalValue *GV,
SectionKind Kind, Mangler &Mang,
const TargetMachine &TM, bool EmitUniqueSection,
// We also need alignment here.
// FIXME: this is getting the alignment of the character, not the
// alignment of the global!
- unsigned Align =
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV));
+ unsigned Align = GV->getParent()->getDataLayout().getPreferredAlignment(
+ cast<GlobalVariable>(GV));
std::string SizeSpec = ".rodata.str" + utostr(EntrySize) + ".";
Name = SizeSpec + utostr(Align);
EntrySize, Group, UniqueID);
}
-const MCSection *TargetLoweringObjectFileELF::SelectSectionForGlobal(
+MCSection *TargetLoweringObjectFileELF::SelectSectionForGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
unsigned Flags = getELFSectionFlags(Kind);
EmitUniqueSection, Flags, &NextUniqueID);
}
-const MCSection *TargetLoweringObjectFileELF::getSectionForJumpTable(
+MCSection *TargetLoweringObjectFileELF::getSectionForJumpTable(
const Function &F, Mangler &Mang, const TargetMachine &TM) const {
// If the function can be removed, produce a unique section so that
// the table doesn't prevent the removal.
return false;
}
-/// getSectionForConstant - Given a mergeable constant with the
-/// specified size and relocation information, return a section that it
-/// should be placed in.
-const MCSection *
-TargetLoweringObjectFileELF::getSectionForConstant(SectionKind Kind,
- const Constant *C) const {
+/// Given a mergeable constant with the specified size and relocation
+/// information, return a section that it should be placed in.
+MCSection *TargetLoweringObjectFileELF::getSectionForConstant(
+ const DataLayout &DL, SectionKind Kind, const Constant *C) const {
if (Kind.isMergeableConst4() && MergeableConst4Section)
return MergeableConst4Section;
if (Kind.isMergeableConst8() && MergeableConst8Section)
return DataRelROSection;
}
-static const MCSectionELF *getStaticStructorSection(MCContext &Ctx,
- bool UseInitArray,
- bool IsCtor,
- unsigned Priority,
- const MCSymbol *KeySym) {
+static MCSectionELF *getStaticStructorSection(MCContext &Ctx, bool UseInitArray,
+ bool IsCtor, unsigned Priority,
+ const MCSymbol *KeySym) {
std::string Name;
unsigned Type;
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE;
return Ctx.getELFSection(Name, Type, Flags, 0, COMDAT);
}
-const MCSection *TargetLoweringObjectFileELF::getStaticCtorSection(
+MCSection *TargetLoweringObjectFileELF::getStaticCtorSection(
unsigned Priority, const MCSymbol *KeySym) const {
return getStaticStructorSection(getContext(), UseInitArray, true, Priority,
KeySym);
}
-const MCSection *TargetLoweringObjectFileELF::getStaticDtorSection(
+MCSection *TargetLoweringObjectFileELF::getStaticDtorSection(
unsigned Priority, const MCSymbol *KeySym) const {
return getStaticStructorSection(getContext(), UseInitArray, false, Priority,
KeySym);
SupportIndirectSymViaGOTPCRel = true;
}
-/// getDepLibFromLinkerOpt - Extract the dependent library name from a linker
-/// option string. Returns StringRef() if the option does not specify a library.
-StringRef TargetLoweringObjectFileMachO::
-getDepLibFromLinkerOpt(StringRef LinkerOption) const {
- const char *LibCmd = "-l";
- if (LinkerOption.startswith(LibCmd))
- return LinkerOption.substr(strlen(LibCmd));
- return StringRef();
-}
-
/// emitModuleFlags - Perform code emission for module flags.
void TargetLoweringObjectFileMachO::
emitModuleFlags(MCStreamer &Streamer,
ErrorCode + ".");
// Get the section.
- const MCSectionMachO *S =
- getContext().getMachOSection(Segment, Section, TAA, StubSize,
- SectionKind::getDataNoRel());
+ MCSectionMachO *S = getContext().getMachOSection(
+ Segment, Section, TAA, StubSize, SectionKind::getDataNoRel());
Streamer.SwitchSection(S);
Streamer.EmitLabel(getContext().
getOrCreateSymbol(StringRef("L_OBJC_IMAGE_INFO")));
"' cannot be lowered.");
}
-const MCSection *TargetLoweringObjectFileMachO::getExplicitSectionGlobal(
+MCSection *TargetLoweringObjectFileMachO::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
// Parse the section specifier and create it if valid.
}
// Get the section.
- const MCSectionMachO *S =
- getContext().getMachOSection(Segment, Section, TAA, StubSize, Kind);
+ MCSectionMachO *S =
+ getContext().getMachOSection(Segment, Section, TAA, StubSize, Kind);
// If TAA wasn't set by ParseSectionSpecifier() above,
// use the value returned by getMachOSection() as a default.
return S;
}
-const MCSection *TargetLoweringObjectFileMachO::
-SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler &Mang, const TargetMachine &TM) const {
+MCSection *TargetLoweringObjectFileMachO::SelectSectionForGlobal(
+ const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const {
checkMachOComdat(GV);
// Handle thread local data.
// FIXME: Alignment check should be handled by section classifier.
if (Kind.isMergeable1ByteCString() &&
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV)) < 32)
+ GV->getParent()->getDataLayout().getPreferredAlignment(
+ cast<GlobalVariable>(GV)) < 32)
return CStringSection;
// Do not put 16-bit arrays in the UString section if they have an
// externally visible label, this runs into issues with certain linker
// versions.
if (Kind.isMergeable2ByteCString() && !GV->hasExternalLinkage() &&
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV)) < 32)
+ GV->getParent()->getDataLayout().getPreferredAlignment(
+ cast<GlobalVariable>(GV)) < 32)
return UStringSection;
// With MachO only variables whose corresponding symbol starts with 'l' or
return DataSection;
}
-const MCSection *
-TargetLoweringObjectFileMachO::getSectionForConstant(SectionKind Kind,
- const Constant *C) const {
+MCSection *TargetLoweringObjectFileMachO::getSectionForConstant(
+ const DataLayout &DL, SectionKind Kind, const Constant *C) const {
// If this constant requires a relocation, we have to put it in the data
// segment, not in the text segment.
if (Kind.isDataRel() || Kind.isReadOnlyWithRel())
}
return TargetLoweringObjectFile::
- getTTypeReference(MCSymbolRefExpr::Create(SSym, getContext()),
+ getTTypeReference(MCSymbolRefExpr::create(SSym, getContext()),
Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
}
const MCExpr *TargetLoweringObjectFileMachO::getIndirectSymViaGOTPCRel(
const MCSymbol *Sym, const MCValue &MV, int64_t Offset,
MachineModuleInfo *MMI, MCStreamer &Streamer) const {
- // Although MachO 32-bit targets do not explictly have a GOTPCREL relocation
+ // Although MachO 32-bit targets do not explicitly have a GOTPCREL relocation
// as 64-bit do, we replace the GOT equivalent by accessing the final symbol
// through a non_lazy_ptr stub instead. One advantage is that it allows the
// computation of deltas to final external symbols. Example:
// non_lazy_ptr stubs.
SmallString<128> Name;
StringRef Suffix = "$non_lazy_ptr";
- Name += DL->getPrivateGlobalPrefix();
+ Name += MMI->getModule()->getDataLayout().getPrivateGlobalPrefix();
Name += Sym->getName();
Name += Suffix;
MCSymbol *Stub = Ctx.getOrCreateSymbol(Name);
StubValueTy(const_cast<MCSymbol *>(Sym), true /* access indirectly */);
const MCExpr *BSymExpr =
- MCSymbolRefExpr::Create(BaseSym, MCSymbolRefExpr::VK_None, Ctx);
+ MCSymbolRefExpr::create(BaseSym, MCSymbolRefExpr::VK_None, Ctx);
const MCExpr *LHS =
- MCSymbolRefExpr::Create(Stub, MCSymbolRefExpr::VK_None, Ctx);
+ MCSymbolRefExpr::create(Stub, MCSymbolRefExpr::VK_None, Ctx);
if (!Offset)
- return MCBinaryExpr::CreateSub(LHS, BSymExpr, Ctx);
+ return MCBinaryExpr::createSub(LHS, BSymExpr, Ctx);
const MCExpr *RHS =
- MCBinaryExpr::CreateAdd(BSymExpr, MCConstantExpr::Create(Offset, Ctx), Ctx);
- return MCBinaryExpr::CreateSub(LHS, RHS, Ctx);
+ MCBinaryExpr::createAdd(BSymExpr, MCConstantExpr::create(Offset, Ctx), Ctx);
+ return MCBinaryExpr::createSub(LHS, RHS, Ctx);
}
//===----------------------------------------------------------------------===//
} else {
return COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE;
}
- } else if (GV->isWeakForLinker()) {
- return COFF::IMAGE_COMDAT_SELECT_ANY;
}
return 0;
}
-const MCSection *TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(
+MCSection *TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
int Selection = 0;
return ".data";
}
-
-const MCSection *TargetLoweringObjectFileCOFF::
-SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler &Mang, const TargetMachine &TM) const {
+MCSection *TargetLoweringObjectFileCOFF::SelectSectionForGlobal(
+ const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const {
// If we have -ffunction-sections then we should emit the global value to a
// uniqued section specifically for it.
bool EmitUniquedSection;
Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
}
-const MCSection *TargetLoweringObjectFileCOFF::getSectionForJumpTable(
+MCSection *TargetLoweringObjectFileCOFF::getSectionForJumpTable(
const Function &F, Mangler &Mang, const TargetMachine &TM) const {
// If the function can be removed, produce a unique section so that
// the table doesn't prevent the removal.
COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE);
}
-StringRef TargetLoweringObjectFileCOFF::
-getDepLibFromLinkerOpt(StringRef LinkerOption) const {
- const char *LibCmd = "/DEFAULTLIB:";
- if (LinkerOption.startswith(LibCmd))
- return LinkerOption.substr(strlen(LibCmd));
- return StringRef();
-}
-
void TargetLoweringObjectFileCOFF::
emitModuleFlags(MCStreamer &Streamer,
ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
// Emit the linker options to the linker .drectve section. According to the
// spec, this section is a space-separated string containing flags for linker.
- const MCSection *Sec = getDrectveSection();
+ MCSection *Sec = getDrectveSection();
Streamer.SwitchSection(Sec);
for (unsigned i = 0, e = LinkerOptions->getNumOperands(); i != e; ++i) {
MDNode *MDOptions = cast<MDNode>(LinkerOptions->getOperand(i));
}
}
-const MCSection *TargetLoweringObjectFileCOFF::getStaticCtorSection(
+MCSection *TargetLoweringObjectFileCOFF::getStaticCtorSection(
unsigned Priority, const MCSymbol *KeySym) const {
return getContext().getAssociativeCOFFSection(
cast<MCSectionCOFF>(StaticCtorSection), KeySym);
}
-const MCSection *TargetLoweringObjectFileCOFF::getStaticDtorSection(
+MCSection *TargetLoweringObjectFileCOFF::getStaticDtorSection(
unsigned Priority, const MCSymbol *KeySym) const {
return getContext().getAssociativeCOFFSection(
cast<MCSectionCOFF>(StaticDtorSection), KeySym);
}
+
+void TargetLoweringObjectFileCOFF::emitLinkerFlagsForGlobal(
+ raw_ostream &OS, const GlobalValue *GV, const Mangler &Mang) const {
+ if (!GV->hasDLLExportStorageClass() || GV->isDeclaration())
+ return;
+
+ const Triple &TT = getTargetTriple();
+
+ if (TT.isKnownWindowsMSVCEnvironment())
+ OS << " /EXPORT:";
+ else
+ OS << " -export:";
+
+ if (TT.isWindowsGNUEnvironment() || TT.isWindowsCygwinEnvironment()) {
+ std::string Flag;
+ raw_string_ostream FlagOS(Flag);
+ Mang.getNameWithPrefix(FlagOS, GV, false);
+ FlagOS.flush();
+ if (Flag[0] == GV->getParent()->getDataLayout().getGlobalPrefix())
+ OS << Flag.substr(1);
+ else
+ OS << Flag;
+ } else {
+ Mang.getNameWithPrefix(OS, GV, false);
+ }
+
+ if (!GV->getValueType()->isFunctionTy()) {
+ if (TT.isKnownWindowsMSVCEnvironment())
+ OS << ",DATA";
+ else
+ OS << ",data";
+ }
+}
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