diff options
Diffstat (limited to 'lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | lib/MC/MCObjectFileInfo.cpp | 101 |
1 files changed, 69 insertions, 32 deletions
diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp index 8fd71f62e4e59..9f94264684f94 100644 --- a/lib/MC/MCObjectFileInfo.cpp +++ b/lib/MC/MCObjectFileInfo.cpp @@ -16,7 +16,9 @@ #include "llvm/MC/MCSectionCOFF.h" #include "llvm/MC/MCSectionELF.h" #include "llvm/MC/MCSectionMachO.h" +#include "llvm/MC/MCSectionWasm.h" #include "llvm/Support/COFF.h" +#include "llvm/Support/ELF.h" using namespace llvm; @@ -505,68 +507,75 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T) { COFFDebugSymbolsSection = nullptr; COFFDebugTypesSection = nullptr; + unsigned DebugSecType = ELF::SHT_PROGBITS; + + // MIPS .debug_* sections should have SHT_MIPS_DWARF section type + // to distinguish among sections contain DWARF and ECOFF debug formats. + // Sections with ECOFF debug format are obsoleted and marked by SHT_PROGBITS. + if (T.getArch() == Triple::mips || T.getArch() == Triple::mipsel || + T.getArch() == Triple::mips64 || T.getArch() == Triple::mips64el) + DebugSecType = ELF::SHT_MIPS_DWARF; + // Debug Info Sections. - DwarfAbbrevSection = Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0, - "section_abbrev"); - DwarfInfoSection = - Ctx->getELFSection(".debug_info", ELF::SHT_PROGBITS, 0, "section_info"); - DwarfLineSection = Ctx->getELFSection(".debug_line", ELF::SHT_PROGBITS, 0); - DwarfFrameSection = Ctx->getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0); + DwarfAbbrevSection = + Ctx->getELFSection(".debug_abbrev", DebugSecType, 0); + DwarfInfoSection = Ctx->getELFSection(".debug_info", DebugSecType, 0); + DwarfLineSection = Ctx->getELFSection(".debug_line", DebugSecType, 0); + DwarfFrameSection = Ctx->getELFSection(".debug_frame", DebugSecType, 0); DwarfPubNamesSection = - Ctx->getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_pubnames", DebugSecType, 0); DwarfPubTypesSection = - Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_pubtypes", DebugSecType, 0); DwarfGnuPubNamesSection = - Ctx->getELFSection(".debug_gnu_pubnames", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_gnu_pubnames", DebugSecType, 0); DwarfGnuPubTypesSection = - Ctx->getELFSection(".debug_gnu_pubtypes", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_gnu_pubtypes", DebugSecType, 0); DwarfStrSection = - Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS, + Ctx->getELFSection(".debug_str", DebugSecType, ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, ""); - DwarfLocSection = Ctx->getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0); + DwarfLocSection = Ctx->getELFSection(".debug_loc", DebugSecType, 0); DwarfARangesSection = - Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_aranges", DebugSecType, 0); DwarfRangesSection = - Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0, "debug_range"); - DwarfMacinfoSection = Ctx->getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, - 0, "debug_macinfo"); + Ctx->getELFSection(".debug_ranges", DebugSecType, 0); + DwarfMacinfoSection = + Ctx->getELFSection(".debug_macinfo", DebugSecType, 0); // DWARF5 Experimental Debug Info // Accelerator Tables DwarfAccelNamesSection = - Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0, "names_begin"); + Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0); DwarfAccelObjCSection = - Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0, "objc_begin"); - DwarfAccelNamespaceSection = Ctx->getELFSection( - ".apple_namespaces", ELF::SHT_PROGBITS, 0, "namespac_begin"); + Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0); + DwarfAccelNamespaceSection = + Ctx->getELFSection(".apple_namespaces", ELF::SHT_PROGBITS, 0); DwarfAccelTypesSection = - Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0, "types_begin"); + Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0); // Fission Sections DwarfInfoDWOSection = - Ctx->getELFSection(".debug_info.dwo", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_info.dwo", DebugSecType, 0); DwarfTypesDWOSection = - Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_types.dwo", DebugSecType, 0); DwarfAbbrevDWOSection = - Ctx->getELFSection(".debug_abbrev.dwo", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_abbrev.dwo", DebugSecType, 0); DwarfStrDWOSection = - Ctx->getELFSection(".debug_str.dwo", ELF::SHT_PROGBITS, + Ctx->getELFSection(".debug_str.dwo", DebugSecType, ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, ""); DwarfLineDWOSection = - Ctx->getELFSection(".debug_line.dwo", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_line.dwo", DebugSecType, 0); DwarfLocDWOSection = - Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0, "skel_loc"); + Ctx->getELFSection(".debug_loc.dwo", DebugSecType, 0); DwarfStrOffDWOSection = - Ctx->getELFSection(".debug_str_offsets.dwo", ELF::SHT_PROGBITS, 0); - DwarfAddrSection = - Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0, "addr_sec"); + Ctx->getELFSection(".debug_str_offsets.dwo", DebugSecType, 0); + DwarfAddrSection = Ctx->getELFSection(".debug_addr", DebugSecType, 0); // DWP Sections DwarfCUIndexSection = - Ctx->getELFSection(".debug_cu_index", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_cu_index", DebugSecType, 0); DwarfTUIndexSection = - Ctx->getELFSection(".debug_tu_index", ELF::SHT_PROGBITS, 0); + Ctx->getELFSection(".debug_tu_index", DebugSecType, 0); StackMapSection = Ctx->getELFSection(".llvm_stackmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC); @@ -799,6 +808,30 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { SectionKind::getReadOnly()); } +void MCObjectFileInfo::initWasmMCObjectFileInfo(const Triple &T) { + // TODO: Set the section types and flags. + TextSection = Ctx->getWasmSection(".text", 0, 0); + DataSection = Ctx->getWasmSection(".data", 0, 0); + + // TODO: Set the section types and flags. + DwarfLineSection = Ctx->getWasmSection(".debug_line", 0, 0); + DwarfStrSection = Ctx->getWasmSection(".debug_str", 0, 0); + DwarfLocSection = Ctx->getWasmSection(".debug_loc", 0, 0); + DwarfAbbrevSection = Ctx->getWasmSection(".debug_abbrev", 0, 0, "section_abbrev"); + DwarfARangesSection = Ctx->getWasmSection(".debug_aranges", 0, 0); + DwarfRangesSection = Ctx->getWasmSection(".debug_ranges", 0, 0, "debug_range"); + DwarfMacinfoSection = Ctx->getWasmSection(".debug_macinfo", 0, 0, "debug_macinfo"); + DwarfAddrSection = Ctx->getWasmSection(".debug_addr", 0, 0); + DwarfCUIndexSection = Ctx->getWasmSection(".debug_cu_index", 0, 0); + DwarfTUIndexSection = Ctx->getWasmSection(".debug_tu_index", 0, 0); + DwarfInfoSection = Ctx->getWasmSection(".debug_info", 0, 0, "section_info"); + DwarfFrameSection = Ctx->getWasmSection(".debug_frame", 0, 0); + DwarfPubNamesSection = Ctx->getWasmSection(".debug_pubnames", 0, 0); + DwarfPubTypesSection = Ctx->getWasmSection(".debug_pubtypes", 0, 0); + + // TODO: Define more sections. +} + void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple, bool PIC, CodeModel::Model cm, MCContext &ctx) { @@ -843,6 +876,10 @@ void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple, bool PIC, Env = IsELF; initELFMCObjectFileInfo(TT); break; + case Triple::Wasm: + Env = IsWasm; + initWasmMCObjectFileInfo(TT); + break; case Triple::UnknownObjectFormat: report_fatal_error("Cannot initialize MC for unknown object file format."); break; |