diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCObjectFileInfo.cpp | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp index 1b52062..858181d 100644 --- a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp @@ -24,7 +24,7 @@ static bool useCompactUnwind(const Triple &T) { return false; // aarch64 always has it. - if (T.getArch() == Triple::arm64 || T.getArch() == Triple::aarch64) + if (T.getArch() == Triple::aarch64) return true; // Use it on newer version of OS X. @@ -43,8 +43,7 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { // MachO SupportsWeakOmittedEHFrame = false; - if (T.isOSDarwin() && - (T.getArch() == Triple::arm64 || T.getArch() == Triple::aarch64)) + if (T.isOSDarwin() && T.getArch() == Triple::aarch64) SupportsCompactUnwindWithoutEHFrame = true; PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel @@ -178,7 +177,7 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { if (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86) CompactUnwindDwarfEHFrameOnly = 0x04000000; - else if (T.getArch() == Triple::arm64 || T.getArch() == Triple::aarch64) + else if (T.getArch() == Triple::aarch64) CompactUnwindDwarfEHFrameOnly = 0x03000000; } @@ -274,6 +273,12 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { case Triple::mips64el: FDECFIEncoding = dwarf::DW_EH_PE_sdata8; break; + case Triple::x86_64: + FDECFIEncoding = dwarf::DW_EH_PE_pcrel | + ((CMModel == CodeModel::Large) ? dwarf::DW_EH_PE_sdata8 + : dwarf::DW_EH_PE_sdata4); + + break; default: FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; break; @@ -322,8 +327,6 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { break; case Triple::aarch64: case Triple::aarch64_be: - case Triple::arm64: - case Triple::arm64_be: // The small model guarantees static code/data size < 4GB, but not where it // will be in memory. Most of these could end up >2GB away so even a signed // pc-relative 32-bit address is insufficient, theoretically. @@ -404,7 +407,7 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { // platform. EHSectionType = ELF::SHT_PROGBITS; EHSectionFlags = ELF::SHF_ALLOC; - if (T.getOS() == Triple::Solaris) { + if (T.isOSSolaris()) { if (T.getArch() == Triple::x86_64) EHSectionType = ELF::SHT_X86_64_UNWIND; else @@ -566,6 +569,9 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { DwarfInfoDWOSection = Ctx->getELFSection(".debug_info.dwo", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); + DwarfTypesDWOSection = + Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); DwarfAbbrevDWOSection = Ctx->getELFSection(".debug_abbrev.dwo", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); @@ -585,15 +591,19 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { DwarfAddrSection = Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); + + StackMapSection = + Ctx->getELFSection(".llvm_stackmaps", ELF::SHT_PROGBITS, + ELF::SHF_ALLOC, + SectionKind::getMetadata()); + } void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { bool IsWoA = T.getArch() == Triple::arm || T.getArch() == Triple::thumb; - // The object file format cannot represent common symbols with explicit - // alignments. - CommDirectiveSupportsAlignment = false; + CommDirectiveSupportsAlignment = true; // COFF BSSSection = @@ -741,6 +751,10 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata()); + DwarfTypesDWOSection = + Ctx->getCOFFSection(".debug_types.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); DwarfAbbrevDWOSection = Ctx->getCOFFSection(".debug_abbrev.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE | @@ -773,6 +787,27 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata()); + DwarfAccelNamesSection = + Ctx->getCOFFSection(".apple_names", + COFF::IMAGE_SCN_MEM_DISCARDABLE | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + DwarfAccelNamespaceSection = + Ctx->getCOFFSection(".apple_namespaces", + COFF::IMAGE_SCN_MEM_DISCARDABLE | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + DwarfAccelTypesSection = + Ctx->getCOFFSection(".apple_types", + COFF::IMAGE_SCN_MEM_DISCARDABLE | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + DwarfAccelObjCSection = + Ctx->getCOFFSection(".apple_objc", + COFF::IMAGE_SCN_MEM_DISCARDABLE | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + DrectveSection = Ctx->getCOFFSection(".drectve", COFF::IMAGE_SCN_LNK_INFO | @@ -830,7 +865,7 @@ void MCObjectFileInfo::InitMCObjectFileInfo(StringRef T, Reloc::Model relocm, // cellspu-apple-darwin. Perhaps we should fix in Triple? if ((Arch == Triple::x86 || Arch == Triple::x86_64 || Arch == Triple::arm || Arch == Triple::thumb || - Arch == Triple::arm64 || Arch == Triple::aarch64 || + Arch == Triple::aarch64 || Arch == Triple::ppc || Arch == Triple::ppc64 || Arch == Triple::UnknownArch) && (TT.isOSDarwin() || TT.isOSBinFormatMachO())) { @@ -852,13 +887,6 @@ const MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const { SectionKind::getMetadata(), 0, utostr(Hash)); } -const MCSection * -MCObjectFileInfo::getDwarfTypesDWOSection(uint64_t Hash) const { - return Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS, - ELF::SHF_GROUP, SectionKind::getMetadata(), 0, - utostr(Hash)); -} - void MCObjectFileInfo::InitEHFrameSection() { if (Env == IsMachO) EHFrameSection = |
