diff options
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index 70c0409ece7a9..d567cc14a8306 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -40,8 +40,7 @@ static bool useCompactUnwind(const Triple &T) { return true; // And the iOS simulator. - if (T.isiOS() && - (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86)) + if (T.isiOS() && T.isX86()) return true; return false; @@ -192,7 +191,7 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) { Ctx->getMachOSection("__LD", "__compact_unwind", MachO::S_ATTR_DEBUG, SectionKind::getReadOnly()); - if (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86) + if (T.isX86()) CompactUnwindDwarfEHFrameOnly = 0x04000000; // UNWIND_X86_64_MODE_DWARF else if (T.getArch() == Triple::aarch64 || T.getArch() == Triple::aarch64_32) CompactUnwindDwarfEHFrameOnly = 0x03000000; // UNWIND_ARM64_MODE_DWARF @@ -304,9 +303,14 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) { case Triple::mipsel: case Triple::mips64: case Triple::mips64el: - FDECFIEncoding = Ctx->getAsmInfo()->getCodePointerSize() == 4 - ? dwarf::DW_EH_PE_sdata4 - : dwarf::DW_EH_PE_sdata8; + // We cannot use DW_EH_PE_sdata8 for the large PositionIndependent case + // since there is no R_MIPS_PC64 relocation (only a 32-bit version). + if (PositionIndependent && !Large) + FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + else + FDECFIEncoding = Ctx->getAsmInfo()->getCodePointerSize() == 4 + ? dwarf::DW_EH_PE_sdata4 + : dwarf::DW_EH_PE_sdata8; break; case Triple::ppc64: case Triple::ppc64le: @@ -463,6 +467,11 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) { DebugSecType, ELF::SHF_EXCLUDE); DwarfRnglistsDWOSection = Ctx->getELFSection(".debug_rnglists.dwo", DebugSecType, ELF::SHF_EXCLUDE); + DwarfMacinfoDWOSection = + Ctx->getELFSection(".debug_macinfo.dwo", DebugSecType, ELF::SHF_EXCLUDE); + + DwarfLoclistsDWOSection = + Ctx->getELFSection(".debug_loclists.dwo", DebugSecType, ELF::SHF_EXCLUDE); // DWP Sections DwarfCUIndexSection = @@ -480,9 +489,6 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) { Ctx->getELFSection(".eh_frame", EHSectionType, EHSectionFlags); StackSizesSection = Ctx->getELFSection(".stack_sizes", ELF::SHT_PROGBITS, 0); - - RemarksSection = - Ctx->getELFSection(".remarks", ELF::SHT_PROGBITS, ELF::SHF_EXCLUDE); } void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { @@ -619,6 +625,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata(), "debug_macinfo"); + DwarfMacinfoDWOSection = Ctx->getCOFFSection( + ".debug_macinfo.dwo", + COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata(), "debug_macinfo.dwo"); DwarfInfoDWOSection = Ctx->getCOFFSection( ".debug_info.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | @@ -715,6 +726,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata()); + GLJMPSection = Ctx->getCOFFSection(".gljmp$y", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + TLSDataSection = Ctx->getCOFFSection( ".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, @@ -775,6 +791,10 @@ void MCObjectFileInfo::initXCOFFMCObjectFileInfo(const Triple &T) { DataSection = Ctx->getXCOFFSection( ".data", XCOFF::StorageMappingClass::XMC_RW, XCOFF::XTY_SD, XCOFF::C_HIDEXT, SectionKind::getData()); + + ReadOnlySection = Ctx->getXCOFFSection( + ".rodata", XCOFF::StorageMappingClass::XMC_RO, XCOFF::XTY_SD, + XCOFF::C_HIDEXT, SectionKind::getReadOnly()); } void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple, bool PIC, |