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https://github.com/intel/llvm.git
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[lldb][wasm] Parse DWO section names
Mirror ELF section parsing to support DWARF section names for debug fission. Reviewed By: labath Differential Revision: https://reviews.llvm.org/D93621
This commit is contained in:
Philip Pfaffe
committed by
Pavel Labath
Pavel Labath
parent
885eae9d85
commit
7ad54d1938
@@ -253,6 +253,43 @@ bool ObjectFileWasm::ParseHeader() {
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Symtab *ObjectFileWasm::GetSymtab() { return nullptr; }
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static SectionType GetSectionTypeFromName(llvm::StringRef Name) {
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if (Name.consume_front(".debug_") || Name.consume_front(".zdebug_")) {
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return llvm::StringSwitch<SectionType>(Name)
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.Case("abbrev", eSectionTypeDWARFDebugAbbrev)
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.Case("abbrev.dwo", eSectionTypeDWARFDebugAbbrevDwo)
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.Case("addr", eSectionTypeDWARFDebugAddr)
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.Case("aranges", eSectionTypeDWARFDebugAranges)
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.Case("cu_index", eSectionTypeDWARFDebugCuIndex)
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.Case("frame", eSectionTypeDWARFDebugFrame)
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.Case("info", eSectionTypeDWARFDebugInfo)
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.Case("info.dwo", eSectionTypeDWARFDebugInfoDwo)
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.Cases("line", "line.dwo", eSectionTypeDWARFDebugLine)
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.Cases("line_str", "line_str.dwo", eSectionTypeDWARFDebugLineStr)
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.Case("loc", eSectionTypeDWARFDebugLoc)
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.Case("loc.dwo", eSectionTypeDWARFDebugLocDwo)
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.Case("loclists", eSectionTypeDWARFDebugLocLists)
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.Case("loclists.dwo", eSectionTypeDWARFDebugLocListsDwo)
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.Case("macinfo", eSectionTypeDWARFDebugMacInfo)
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.Cases("macro", "macro.dwo", eSectionTypeDWARFDebugMacro)
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.Case("names", eSectionTypeDWARFDebugNames)
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.Case("pubnames", eSectionTypeDWARFDebugPubNames)
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.Case("pubtypes", eSectionTypeDWARFDebugPubTypes)
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.Case("ranges", eSectionTypeDWARFDebugRanges)
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.Case("rnglists", eSectionTypeDWARFDebugRngLists)
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.Case("rnglists.dwo", eSectionTypeDWARFDebugRngListsDwo)
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.Case("str", eSectionTypeDWARFDebugStr)
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.Case("str.dwo", eSectionTypeDWARFDebugStrDwo)
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.Case("str_offsets", eSectionTypeDWARFDebugStrOffsets)
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.Case("str_offsets.dwo", eSectionTypeDWARFDebugStrOffsetsDwo)
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.Case("tu_index", eSectionTypeDWARFDebugTuIndex)
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.Case("types", eSectionTypeDWARFDebugTypes)
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.Case("types.dwo", eSectionTypeDWARFDebugTypesDwo)
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.Default(eSectionTypeOther);
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}
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return eSectionTypeOther;
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}
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void ObjectFileWasm::CreateSections(SectionList &unified_section_list) {
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if (m_sections_up)
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return;
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@@ -280,29 +317,7 @@ void ObjectFileWasm::CreateSections(SectionList &unified_section_list) {
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// Code section.
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vm_addr = 0;
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} else {
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section_type =
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llvm::StringSwitch<SectionType>(sect_info.name.GetStringRef())
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.Case(".debug_abbrev", eSectionTypeDWARFDebugAbbrev)
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.Case(".debug_addr", eSectionTypeDWARFDebugAddr)
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.Case(".debug_aranges", eSectionTypeDWARFDebugAranges)
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.Case(".debug_cu_index", eSectionTypeDWARFDebugCuIndex)
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.Case(".debug_frame", eSectionTypeDWARFDebugFrame)
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.Case(".debug_info", eSectionTypeDWARFDebugInfo)
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.Case(".debug_line", eSectionTypeDWARFDebugLine)
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.Case(".debug_line_str", eSectionTypeDWARFDebugLineStr)
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.Case(".debug_loc", eSectionTypeDWARFDebugLoc)
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.Case(".debug_loclists", eSectionTypeDWARFDebugLocLists)
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.Case(".debug_macinfo", eSectionTypeDWARFDebugMacInfo)
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.Case(".debug_macro", eSectionTypeDWARFDebugMacro)
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.Case(".debug_names", eSectionTypeDWARFDebugNames)
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.Case(".debug_pubnames", eSectionTypeDWARFDebugPubNames)
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.Case(".debug_pubtypes", eSectionTypeDWARFDebugPubTypes)
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.Case(".debug_ranges", eSectionTypeDWARFDebugRanges)
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.Case(".debug_rnglists", eSectionTypeDWARFDebugRngLists)
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.Case(".debug_str", eSectionTypeDWARFDebugStr)
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.Case(".debug_str_offsets", eSectionTypeDWARFDebugStrOffsets)
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.Case(".debug_types", eSectionTypeDWARFDebugTypes)
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.Default(eSectionTypeOther);
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section_type = GetSectionTypeFromName(sect_info.name.GetStringRef());
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if (section_type == eSectionTypeOther)
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continue;
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section_name = sect_info.name;
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@@ -40,6 +40,73 @@
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# CHECK: VM size: 0
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# CHECK: File size: 3
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# CHECK: Name: .debug_abbrev.dwo
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# CHECK: Type: dwarf-abbrev-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_info.dwo
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# CHECK: Type: dwarf-info-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_line.dwo
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# CHECK: Type: dwarf-line
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_line_str.dwo
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# CHECK: Type: dwarf-line-str
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_loc.dwo
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# CHECK: Type: dwarf-loc-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_loclists.dwo
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# CHECK: Type: dwarf-loclists-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_macro.dwo
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# CHECK: Type: dwarf-macro
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_rnglists.dwo
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# CHECK: Type: dwarf-rnglists-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_str.dwo
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# CHECK: Type: dwarf-str-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_str_offsets.dwo
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# CHECK: Type: dwarf-str-offsets-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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# CHECK: Name: .debug_types.dwo
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# CHECK: Type: dwarf-types-dwo
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# CHECK: VM address: 0x0
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# CHECK: VM size: 0
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# CHECK: File size: 4
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--- !WASM
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FileHeader:
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Version: 0x00000001
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@@ -64,4 +131,37 @@ Sections:
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- Type: CUSTOM
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Name: .debug_str
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Payload: 636CFF
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- Type: CUSTOM
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Name: .debug_abbrev.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_info.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_line.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_line_str.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_loc.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_loclists.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_macro.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_rnglists.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_str.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_str_offsets.dwo
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Payload: DEADBEEF
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- Type: CUSTOM
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Name: .debug_types.dwo
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Payload: DEADBEEF
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...
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