diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCObjectFileInfo.cpp | 79 |
1 files changed, 75 insertions, 4 deletions
diff --git a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp index 2e1604d..d19e79a 100644 --- a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/contrib/llvm/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) { @@ -186,6 +186,10 @@ 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, @@ -219,6 +223,15 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) { } void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { + if (T.getArch() == Triple::mips || + T.getArch() == Triple::mipsel) + FDECFIEncoding = dwarf::DW_EH_PE_sdata4; + else if (T.getArch() == Triple::mips64 || + T.getArch() == Triple::mips64el) + FDECFIEncoding = dwarf::DW_EH_PE_sdata8; + else + FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + if (T.getArch() == Triple::x86) { PersonalityEncoding = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 @@ -226,15 +239,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { LSDAEncoding = (RelocM == Reloc::PIC_) ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_absptr; - FDEEncoding = FDECFIEncoding = (RelocM == Reloc::PIC_) + FDEEncoding = (RelocM == Reloc::PIC_) ? 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; } else if (T.getArch() == Triple::x86_64) { - FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; - if (RelocM == Reloc::PIC_) { PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | ((CMModel == CodeModel::Small || CMModel == CodeModel::Medium) @@ -256,6 +267,30 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { TTypeEncoding = (CMModel == CodeModel::Small) ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; } + } else if (T.getArch() == Triple::aarch64) { + // 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. + if (RelocM == Reloc::PIC_) { + PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_sdata8; + LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8; + FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_sdata8; + } else { + PersonalityEncoding = dwarf::DW_EH_PE_absptr; + LSDAEncoding = dwarf::DW_EH_PE_absptr; + FDEEncoding = dwarf::DW_EH_PE_udata4; + TTypeEncoding = dwarf::DW_EH_PE_absptr; + } + } else if (T.getArch() == Triple::ppc64) { + PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_udata8; + LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8; + FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8; + TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_udata8; } // Solaris requires different flags for .eh_frame to seemingly every other @@ -373,6 +408,9 @@ 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()); @@ -392,6 +430,10 @@ 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()); @@ -404,6 +446,30 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) { 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()); + DwarfAddrSection = + Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0, + SectionKind::getMetadata()); } @@ -488,6 +554,11 @@ 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 | |
