diff options
Diffstat (limited to 'lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | lib/MC/MCObjectFileInfo.cpp | 71 |
1 files changed, 64 insertions, 7 deletions
diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp index 29b4a94..a46f7be 100644 --- a/lib/MC/MCObjectFileInfo.cpp +++ b/lib/MC/MCObjectFileInfo.cpp @@ -8,12 +8,12 @@ //===----------------------------------------------------------------------===// #include "llvm/MC/MCObjectFileInfo.h" +#include "llvm/ADT/Triple.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCSection.h" #include "llvm/MC/MCSectionCOFF.h" #include "llvm/MC/MCSectionELF.h" #include "llvm/MC/MCSectionMachO.h" -#include "llvm/ADT/Triple.h" using namespace llvm; void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { @@ -256,6 +256,17 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { TTypeEncoding = (CMModel == CodeModel::Small) ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; } + } else if (T.getArch() == Triple::ppc64) { + PersonalityEncoding = dwarf::DW_EH_PE_udata8; + PersonalityEncoding |= (RelocM == Reloc::PIC_) + ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel + : dwarf::DW_EH_PE_absptr; + unsigned PICFlag = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_pcrel + : dwarf::DW_EH_PE_absptr; + FDECFIEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; + LSDAEncoding = PICFlag | dwarf::DW_EH_PE_udata8; + FDEEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; + TTypeEncoding = PICFlag | dwarf::DW_EH_PE_sdata4; } // Solaris requires different flags for .eh_frame to seemingly every other @@ -392,6 +403,43 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { DwarfMacroInfoSection = Ctx->getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, 0, SectionKind::getMetadata()); + + // DWARF5 Experimental Debug Info + + // Accelerator Tables + DwarfAccelNamesSection = + Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfAccelObjCSection = + Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfAccelNamespaceSection = + Ctx->getELFSection(".apple_namespaces", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfAccelTypesSection = + Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + + // Fission Sections + DwarfInfoDWOSection = + Ctx->getELFSection(".debug_info.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfAbbrevDWOSection = + Ctx->getELFSection(".debug_abbrev.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfStrDWOSection = + Ctx->getELFSection(".debug_str.dwo", ELF::SHT_PROGBITS, + ELF::SHF_MERGE | ELF::SHF_STRINGS, + SectionKind::getMergeable1ByteCString()); + DwarfLineDWOSection = + Ctx->getELFSection(".debug_line.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfLocDWOSection = + Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); + DwarfStrOffDWOSection = + Ctx->getELFSection(".debug_str_offsets.dwo", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); } @@ -430,12 +478,20 @@ void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) { } - StaticDtorSection = - Ctx->getCOFFSection(".dtors", - COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | - COFF::IMAGE_SCN_MEM_READ | - COFF::IMAGE_SCN_MEM_WRITE, - SectionKind::getDataRel()); + if (T.getOS() == Triple::Win32) { + StaticDtorSection = + Ctx->getCOFFSection(".CRT$XTX", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getReadOnly()); + } else { + StaticDtorSection = + Ctx->getCOFFSection(".dtors", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ | + COFF::IMAGE_SCN_MEM_WRITE, + SectionKind::getDataRel()); + } // FIXME: We're emitting LSDA info into a readonly section on COFF, even // though it contains relocatable pointers. In PIC mode, this is probably a @@ -557,6 +613,7 @@ void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm, Env = IsMachO; InitMachOMCObjectFileInfo(T); } else if ((Arch == Triple::x86 || Arch == Triple::x86_64) && + (T.getEnvironment() != Triple::ELF) && (T.getOS() == Triple::MinGW32 || T.getOS() == Triple::Cygwin || T.getOS() == Triple::Win32)) { Env = IsCOFF; |