diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
-rw-r--r-- | contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 253 |
1 files changed, 127 insertions, 126 deletions
diff --git a/contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index f1e10ee..0b7bd98 100644 --- a/contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/contrib/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -29,10 +29,12 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" #include "llvm/Support/Dwarf.h" +#include "llvm/Support/ELF.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" #include "llvm/ADT/SmallString.h" #include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/Triple.h" using namespace llvm; using namespace dwarf; @@ -45,81 +47,81 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx, TargetLoweringObjectFile::Initialize(Ctx, TM); BSSSection = - getContext().getELFSection(".bss", MCSectionELF::SHT_NOBITS, - MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC, + getContext().getELFSection(".bss", ELF::SHT_NOBITS, + ELF::SHF_WRITE |ELF::SHF_ALLOC, SectionKind::getBSS()); TextSection = - getContext().getELFSection(".text", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_EXECINSTR | - MCSectionELF::SHF_ALLOC, + getContext().getELFSection(".text", ELF::SHT_PROGBITS, + ELF::SHF_EXECINSTR | + ELF::SHF_ALLOC, SectionKind::getText()); DataSection = - getContext().getELFSection(".data", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_WRITE |MCSectionELF::SHF_ALLOC, + getContext().getELFSection(".data", ELF::SHT_PROGBITS, + ELF::SHF_WRITE |ELF::SHF_ALLOC, SectionKind::getDataRel()); ReadOnlySection = - getContext().getELFSection(".rodata", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC, + getContext().getELFSection(".rodata", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC, SectionKind::getReadOnly()); TLSDataSection = - getContext().getELFSection(".tdata", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_TLS | - MCSectionELF::SHF_WRITE, + getContext().getELFSection(".tdata", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC | ELF::SHF_TLS | + ELF::SHF_WRITE, SectionKind::getThreadData()); TLSBSSSection = - getContext().getELFSection(".tbss", MCSectionELF::SHT_NOBITS, - MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_TLS | - MCSectionELF::SHF_WRITE, + getContext().getELFSection(".tbss", ELF::SHT_NOBITS, + ELF::SHF_ALLOC | ELF::SHF_TLS | + ELF::SHF_WRITE, SectionKind::getThreadBSS()); DataRelSection = - getContext().getELFSection(".data.rel", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".data.rel", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getDataRel()); DataRelLocalSection = - getContext().getELFSection(".data.rel.local", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".data.rel.local", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getDataRelLocal()); DataRelROSection = - getContext().getELFSection(".data.rel.ro", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".data.rel.ro", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getReadOnlyWithRel()); DataRelROLocalSection = - getContext().getELFSection(".data.rel.ro.local", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".data.rel.ro.local", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getReadOnlyWithRelLocal()); MergeableConst4Section = - getContext().getELFSection(".rodata.cst4", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_MERGE, + getContext().getELFSection(".rodata.cst4", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_MERGE, SectionKind::getMergeableConst4()); MergeableConst8Section = - getContext().getELFSection(".rodata.cst8", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_MERGE, + getContext().getELFSection(".rodata.cst8", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_MERGE, SectionKind::getMergeableConst8()); MergeableConst16Section = - getContext().getELFSection(".rodata.cst16", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_MERGE, + getContext().getELFSection(".rodata.cst16", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_MERGE, SectionKind::getMergeableConst16()); StaticCtorSection = - getContext().getELFSection(".ctors", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".ctors", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getDataRel()); StaticDtorSection = - getContext().getELFSection(".dtors", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, + getContext().getELFSection(".dtors", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC |ELF::SHF_WRITE, SectionKind::getDataRel()); // Exception Handling Sections. @@ -129,50 +131,50 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx, // runtime hit for C++ apps. Either the contents of the LSDA need to be // adjusted or this should be a data section. LSDASection = - getContext().getELFSection(".gcc_except_table", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC, + getContext().getELFSection(".gcc_except_table", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC, SectionKind::getReadOnly()); - EHFrameSection = - getContext().getELFSection(".eh_frame", MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC |MCSectionELF::SHF_WRITE, - SectionKind::getDataRel()); - // Debug Info Sections. DwarfAbbrevSection = - getContext().getELFSection(".debug_abbrev", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfInfoSection = - getContext().getELFSection(".debug_info", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_info", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfLineSection = - getContext().getELFSection(".debug_line", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_line", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfFrameSection = - getContext().getELFSection(".debug_frame", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfPubNamesSection = - getContext().getELFSection(".debug_pubnames", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfPubTypesSection = - getContext().getELFSection(".debug_pubtypes", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfStrSection = - getContext().getELFSection(".debug_str", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_str", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfLocSection = - getContext().getELFSection(".debug_loc", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfARangesSection = - getContext().getELFSection(".debug_aranges", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfRangesSection = - getContext().getELFSection(".debug_ranges", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfMacroInfoSection = - getContext().getELFSection(".debug_macinfo", MCSectionELF::SHT_PROGBITS, 0, + getContext().getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); } +const MCSection *TargetLoweringObjectFileELF::getEHFrameSection() const { + return getContext().getELFSection(".eh_frame", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC, + SectionKind::getDataRel()); +} static SectionKind getELFKindForNamedSection(StringRef Name, SectionKind K) { @@ -208,18 +210,18 @@ getELFKindForNamedSection(StringRef Name, SectionKind K) { static unsigned getELFSectionType(StringRef Name, SectionKind K) { if (Name == ".init_array") - return MCSectionELF::SHT_INIT_ARRAY; + return ELF::SHT_INIT_ARRAY; if (Name == ".fini_array") - return MCSectionELF::SHT_FINI_ARRAY; + return ELF::SHT_FINI_ARRAY; if (Name == ".preinit_array") - return MCSectionELF::SHT_PREINIT_ARRAY; + return ELF::SHT_PREINIT_ARRAY; if (K.isBSS() || K.isThreadBSS()) - return MCSectionELF::SHT_NOBITS; + return ELF::SHT_NOBITS; - return MCSectionELF::SHT_PROGBITS; + return ELF::SHT_PROGBITS; } @@ -228,24 +230,24 @@ getELFSectionFlags(SectionKind K) { unsigned Flags = 0; if (!K.isMetadata()) - Flags |= MCSectionELF::SHF_ALLOC; + Flags |= ELF::SHF_ALLOC; if (K.isText()) - Flags |= MCSectionELF::SHF_EXECINSTR; + Flags |= ELF::SHF_EXECINSTR; if (K.isWriteable()) - Flags |= MCSectionELF::SHF_WRITE; + Flags |= ELF::SHF_WRITE; if (K.isThreadLocal()) - Flags |= MCSectionELF::SHF_TLS; + Flags |= ELF::SHF_TLS; // K.isMergeableConst() is left out to honour PR4650 if (K.isMergeableCString() || K.isMergeableConst4() || K.isMergeableConst8() || K.isMergeableConst16()) - Flags |= MCSectionELF::SHF_MERGE; + Flags |= ELF::SHF_MERGE; if (K.isMergeableCString()) - Flags |= MCSectionELF::SHF_STRINGS; + Flags |= ELF::SHF_STRINGS; return Flags; } @@ -261,23 +263,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, return getContext().getELFSection(SectionName, getELFSectionType(SectionName, Kind), - getELFSectionFlags(Kind), Kind, true); -} - -static const char *getSectionPrefixForUniqueGlobal(SectionKind Kind) { - if (Kind.isText()) return ".gnu.linkonce.t."; - if (Kind.isReadOnly()) return ".gnu.linkonce.r."; - - if (Kind.isThreadData()) return ".gnu.linkonce.td."; - if (Kind.isThreadBSS()) return ".gnu.linkonce.tb."; - - if (Kind.isDataNoRel()) return ".gnu.linkonce.d."; - if (Kind.isDataRelLocal()) return ".gnu.linkonce.d.rel.local."; - if (Kind.isDataRel()) return ".gnu.linkonce.d.rel."; - if (Kind.isReadOnlyWithRelLocal()) return ".gnu.linkonce.d.rel.ro.local."; - - assert(Kind.isReadOnlyWithRel() && "Unknown section kind"); - return ".gnu.linkonce.d.rel.ro."; + getELFSectionFlags(Kind), Kind); } /// getSectionPrefixForGlobal - Return the section prefix name used by options @@ -307,7 +293,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, bool EmitUniquedSection; if (Kind.isText()) EmitUniquedSection = TM.getFunctionSections(); - else + else EmitUniquedSection = TM.getDataSections(); // If this global is linkonce/weak and the target handles this by emitting it @@ -315,19 +301,21 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, if ((GV->isWeakForLinker() || EmitUniquedSection) && !Kind.isCommon() && !Kind.isBSS()) { const char *Prefix; - if (GV->isWeakForLinker()) - Prefix = getSectionPrefixForUniqueGlobal(Kind); - else { - assert(EmitUniquedSection); - Prefix = getSectionPrefixForGlobal(Kind); - } + Prefix = getSectionPrefixForGlobal(Kind); SmallString<128> Name(Prefix, Prefix+strlen(Prefix)); MCSymbol *Sym = Mang->getSymbol(GV); Name.append(Sym->getName().begin(), Sym->getName().end()); + StringRef Group = ""; + unsigned Flags = getELFSectionFlags(Kind); + if (GV->isWeakForLinker()) { + Group = Sym->getName(); + Flags |= ELF::SHF_GROUP; + } + return getContext().getELFSection(Name.str(), getELFSectionType(Name.str(), Kind), - getELFSectionFlags(Kind), Kind); + Flags, Kind, 0, Group); } if (Kind.isText()) return TextSection; @@ -352,10 +340,10 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, std::string Name = SizeSpec + utostr(Align); - return getContext().getELFSection(Name, MCSectionELF::SHT_PROGBITS, - MCSectionELF::SHF_ALLOC | - MCSectionELF::SHF_MERGE | - MCSectionELF::SHF_STRINGS, + return getContext().getELFSection(Name, ELF::SHT_PROGBITS, + ELF::SHF_ALLOC | + ELF::SHF_MERGE | + ELF::SHF_STRINGS, Kind); } @@ -450,7 +438,16 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, IsFunctionEHSymbolGlobal = true; IsFunctionEHFrameSymbolPrivate = false; SupportsWeakOmittedEHFrame = false; - + + Triple T(((LLVMTargetMachine&)TM).getTargetTriple()); + if (T.getOS() == Triple::Darwin) { + unsigned MajNum = T.getDarwinMajorNumber(); + if (MajNum == 7 || MajNum == 8) // 10.3 Panther, 10.4 Tiger + CommDirectiveSupportsAlignment = false; + if (MajNum > 9) // 10.6 SnowLeopard + IsFunctionEHSymbolGlobal = false; + } + TargetLoweringObjectFile::Initialize(Ctx, TM); TextSection // .text @@ -469,20 +466,20 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, = getContext().getMachOSection("__DATA", "__thread_bss", MCSectionMachO::S_THREAD_LOCAL_ZEROFILL, SectionKind::getThreadBSS()); - + // TODO: Verify datarel below. TLSTLVSection // .tlv = getContext().getMachOSection("__DATA", "__thread_vars", MCSectionMachO::S_THREAD_LOCAL_VARIABLES, SectionKind::getDataRel()); - + TLSThreadInitSection = getContext().getMachOSection("__DATA", "__thread_init", MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS, SectionKind::getDataRel()); - + CStringSection // .cstring - = getContext().getMachOSection("__TEXT", "__cstring", + = getContext().getMachOSection("__TEXT", "__cstring", MCSectionMachO::S_CSTRING_LITERALS, SectionKind::getMergeable1ByteCString()); UStringSection @@ -493,7 +490,7 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, MCSectionMachO::S_4BYTE_LITERALS, SectionKind::getMergeableConst4()); EightByteConstantSection // .literal8 - = getContext().getMachOSection("__TEXT", "__literal8", + = getContext().getMachOSection("__TEXT", "__literal8", MCSectionMachO::S_8BYTE_LITERALS, SectionKind::getMergeableConst8()); @@ -517,14 +514,14 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, SectionKind::getText()); ConstTextCoalSection - = getContext().getMachOSection("__TEXT", "__const_coal", + = getContext().getMachOSection("__TEXT", "__const_coal", MCSectionMachO::S_COALESCED, SectionKind::getReadOnly()); ConstDataSection // .const_data = getContext().getMachOSection("__DATA", "__const", 0, SectionKind::getReadOnlyWithRel()); DataCoalSection - = getContext().getMachOSection("__DATA","__datacoal_nt", + = getContext().getMachOSection("__DATA","__datacoal_nt", MCSectionMachO::S_COALESCED, SectionKind::getDataRel()); DataCommonSection @@ -534,7 +531,7 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, DataBSSSection = getContext().getMachOSection("__DATA","__bss", MCSectionMachO::S_ZEROFILL, SectionKind::getBSS()); - + LazySymbolPointerSection = getContext().getMachOSection("__DATA", "__la_symbol_ptr", @@ -566,17 +563,9 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, // Exception Handling. LSDASection = getContext().getMachOSection("__TEXT", "__gcc_except_tab", 0, SectionKind::getReadOnlyWithRel()); - EHFrameSection = - getContext().getMachOSection("__TEXT", "__eh_frame", - MCSectionMachO::S_COALESCED | - MCSectionMachO::S_ATTR_NO_TOC | - MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS | - MCSectionMachO::S_ATTR_LIVE_SUPPORT, - SectionKind::getReadOnly()); - // Debug Information. DwarfAbbrevSection = - getContext().getMachOSection("__DWARF", "__debug_abbrev", + getContext().getMachOSection("__DWARF", "__debug_abbrev", MCSectionMachO::S_ATTR_DEBUG, SectionKind::getMetadata()); DwarfInfoSection = @@ -623,10 +612,19 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, getContext().getMachOSection("__DWARF", "__debug_inlined", MCSectionMachO::S_ATTR_DEBUG, SectionKind::getMetadata()); - + TLSExtraDataSection = TLSTLVSection; } +const MCSection *TargetLoweringObjectFileMachO::getEHFrameSection() const { + return getContext().getMachOSection("__TEXT", "__eh_frame", + MCSectionMachO::S_COALESCED | + MCSectionMachO::S_ATTR_NO_TOC | + MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS | + MCSectionMachO::S_ATTR_LIVE_SUPPORT, + SectionKind::getReadOnly()); +} + const MCSection *TargetLoweringObjectFileMachO:: getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const { @@ -665,7 +663,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, const MCSection *TargetLoweringObjectFileMachO:: SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const { - + // Handle thread local data. if (Kind.isThreadBSS()) return TLSBSSSection; if (Kind.isThreadData()) return TLSDataSection; @@ -685,7 +683,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, if (Kind.isMergeable1ByteCString() && TM.getTargetData()->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. @@ -721,7 +719,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, // with the .zerofill directive (aka .lcomm). if (Kind.isBSSLocal()) return DataBSSSection; - + // Otherwise, just drop the variable in the normal data section. return DataSection; } @@ -858,13 +856,6 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx, COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ, SectionKind::getReadOnly()); - EHFrameSection = - getContext().getCOFFSection(".eh_frame", - COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | - COFF::IMAGE_SCN_MEM_READ | - COFF::IMAGE_SCN_MEM_WRITE, - SectionKind::getDataRel()); - // Debug info. DwarfAbbrevSection = getContext().getCOFFSection(".debug_abbrev", @@ -928,6 +919,15 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx, SectionKind::getMetadata()); } +const MCSection *TargetLoweringObjectFileCOFF::getEHFrameSection() const { + return getContext().getCOFFSection(".eh_frame", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ | + COFF::IMAGE_SCN_MEM_WRITE, + SectionKind::getDataRel()); +} + + static unsigned getCOFFSectionFlags(SectionKind K) { unsigned Flags = 0; @@ -938,6 +938,7 @@ getCOFFSectionFlags(SectionKind K) { else if (K.isText()) Flags |= COFF::IMAGE_SCN_MEM_EXECUTE | + COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_CNT_CODE; else if (K.isBSS ()) Flags |= @@ -967,12 +968,12 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, static const char *getCOFFSectionPrefixForUniqueGlobal(SectionKind Kind) { if (Kind.isText()) - return ".text$linkonce"; + return ".text$"; if (Kind.isBSS ()) - return ".bss$linkonce"; + return ".bss$"; if (Kind.isWriteable()) - return ".data$linkonce"; - return ".rdata$linkonce"; + return ".data$"; + return ".rdata$"; } @@ -987,14 +988,14 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, const char *Prefix = getCOFFSectionPrefixForUniqueGlobal(Kind); SmallString<128> Name(Prefix, Prefix+strlen(Prefix)); MCSymbol *Sym = Mang->getSymbol(GV); - Name.append(Sym->getName().begin(), Sym->getName().end()); + Name.append(Sym->getName().begin() + 1, Sym->getName().end()); unsigned Characteristics = getCOFFSectionFlags(Kind); Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT; return getContext().getCOFFSection(Name.str(), Characteristics, - COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH, Kind); + COFF::IMAGE_COMDAT_SELECT_ANY, Kind); } if (Kind.isText()) |