diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCObjectFileInfo.cpp | 101 |
1 files changed, 70 insertions, 31 deletions
diff --git a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp index df8b99d2be6c..b22ae331c9a9 100644 --- a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp @@ -56,8 +56,8 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { TLSThreadInitSection = Ctx->getMachOSection("__DATA", "__thread_init", - MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS, - SectionKind::getDataRel()); + MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS, + SectionKind::getDataRel()); CStringSection // .cstring = Ctx->getMachOSection("__TEXT", "__cstring", @@ -152,6 +152,24 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { SectionKind::getReadOnly()); // Debug Information. + DwarfAccelNamesSection = + Ctx->getMachOSection("__DWARF", "__apple_names", + MCSectionMachO::S_ATTR_DEBUG, + SectionKind::getMetadata()); + DwarfAccelObjCSection = + Ctx->getMachOSection("__DWARF", "__apple_objc", + MCSectionMachO::S_ATTR_DEBUG, + SectionKind::getMetadata()); + // 16 character section limit... + DwarfAccelNamespaceSection = + Ctx->getMachOSection("__DWARF", "__apple_namespac", + MCSectionMachO::S_ATTR_DEBUG, + SectionKind::getMetadata()); + DwarfAccelTypesSection = + Ctx->getMachOSection("__DWARF", "__apple_types", + MCSectionMachO::S_ATTR_DEBUG, + SectionKind::getMetadata()); + DwarfAbbrevSection = Ctx->getMachOSection("__DWARF", "__debug_abbrev", MCSectionMachO::S_ATTR_DEBUG, @@ -168,10 +186,6 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { Ctx->getMachOSection("__DWARF", "__debug_frame", MCSectionMachO::S_ATTR_DEBUG, SectionKind::getMetadata()); - DwarfPubNamesSection = - Ctx->getMachOSection("__DWARF", "__debug_pubnames", - MCSectionMachO::S_ATTR_DEBUG, - SectionKind::getMetadata()); DwarfPubTypesSection = Ctx->getMachOSection("__DWARF", "__debug_pubtypes", MCSectionMachO::S_ATTR_DEBUG, @@ -207,8 +221,8 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { if (T.getArch() == Triple::x86) { PersonalityEncoding = (RelocM == Reloc::PIC_) - ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 - : dwarf::DW_EH_PE_absptr; + ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 + : dwarf::DW_EH_PE_absptr; LSDAEncoding = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_absptr; @@ -216,8 +230,8 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_absptr; TTypeEncoding = (RelocM == Reloc::PIC_) - ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 - : dwarf::DW_EH_PE_absptr; + ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 + : dwarf::DW_EH_PE_absptr; } else if (T.getArch() == Triple::x86_64) { FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; @@ -244,10 +258,22 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { } } + // Solaris requires different flags for .eh_frame to seemingly every other + // platform. + EHSectionType = ELF::SHT_PROGBITS; + EHSectionFlags = ELF::SHF_ALLOC; + if (T.getOS() == Triple::Solaris) { + if (T.getArch() == Triple::x86_64) + EHSectionType = ELF::SHT_X86_64_UNWIND; + else + EHSectionFlags |= ELF::SHF_WRITE; + } + + // ELF BSSSection = Ctx->getELFSection(".bss", ELF::SHT_NOBITS, - ELF::SHF_WRITE |ELF::SHF_ALLOC, + ELF::SHF_WRITE | ELF::SHF_ALLOC, SectionKind::getBSS()); TextSection = @@ -347,15 +373,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { DwarfFrameSection = Ctx->getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); - DwarfPubNamesSection = - Ctx->getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0, - SectionKind::getMetadata()); DwarfPubTypesSection = Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); DwarfStrSection = - Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS, 0, - SectionKind::getMetadata()); + Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS, + ELF::SHF_MERGE | ELF::SHF_STRINGS, + SectionKind::getMergeable1ByteCString()); DwarfLocSection = Ctx->getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); @@ -390,12 +414,22 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ, SectionKind::getReadOnly()); - StaticCtorSection = - Ctx->getCOFFSection(".ctors", - COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | - COFF::IMAGE_SCN_MEM_READ | - COFF::IMAGE_SCN_MEM_WRITE, - SectionKind::getDataRel()); + if (T.getOS() == Triple::Win32) { + StaticCtorSection = + Ctx->getCOFFSection(".CRT$XCU", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getReadOnly()); + } else { + StaticCtorSection = + Ctx->getCOFFSection(".ctors", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ | + COFF::IMAGE_SCN_MEM_WRITE, + SectionKind::getDataRel()); + } + + StaticDtorSection = Ctx->getCOFFSection(".dtors", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | @@ -434,11 +468,6 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata()); - DwarfPubNamesSection = - Ctx->getCOFFSection(".debug_pubnames", - COFF::IMAGE_SCN_MEM_DISCARDABLE | - COFF::IMAGE_SCN_MEM_READ, - SectionKind::getMetadata()); DwarfPubTypesSection = Ctx->getCOFFSection(".debug_pubtypes", COFF::IMAGE_SCN_MEM_DISCARDABLE | @@ -488,6 +517,12 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, SectionKind::getDataRel()); + TLSDataSection = + Ctx->getCOFFSection(".tls$", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ | + COFF::IMAGE_SCN_MEM_WRITE, + SectionKind::getDataRel()); } void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm, @@ -505,8 +540,12 @@ void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm, PersonalityEncoding = LSDAEncoding = FDEEncoding = FDECFIEncoding = TTypeEncoding = dwarf::DW_EH_PE_absptr; - EHFrameSection = 0; // Created on demand. - CompactUnwindSection = 0; // Used only by selected targets. + EHFrameSection = 0; // Created on demand. + CompactUnwindSection = 0; // Used only by selected targets. + DwarfAccelNamesSection = 0; // Used only by selected targets. + DwarfAccelObjCSection = 0; // Used only by selected targets. + DwarfAccelNamespaceSection = 0; // Used only by selected targets. + DwarfAccelTypesSection = 0; // Used only by selected targets. Triple T(TT); Triple::ArchType Arch = T.getArch(); @@ -541,8 +580,8 @@ void MCObjectFileInfo::InitEHFrameSection() { SectionKind::getReadOnly()); else if (Env == IsELF) EHFrameSection = - Ctx->getELFSection(".eh_frame", ELF::SHT_PROGBITS, - ELF::SHF_ALLOC, + Ctx->getELFSection(".eh_frame", EHSectionType, + EHSectionFlags, SectionKind::getDataRel()); else EHFrameSection = |