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[llvm][Dwarf] Add DW_AT_language_name/DW_AT_language_version codes #162446

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Oct 8, 2025
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[llvm][Dwarf] Add DW_AT_language_name/DW_AT_language_version codes #162446

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3 changes: 3 additions & 0 deletions llvm/include/llvm/BinaryFormat/Dwarf.def
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Original file line number Diff line number Diff line change
Expand Up @@ -424,6 +424,9 @@ HANDLE_DW_AT(0x89, export_symbols, 5, DWARF)
HANDLE_DW_AT(0x8a, deleted, 5, DWARF)
HANDLE_DW_AT(0x8b, defaulted, 5, DWARF)
HANDLE_DW_AT(0x8c, loclists_base, 5, DWARF)
// New in Dwarf v6:
HANDLE_DW_AT(0x90, language_name, 6, DWARF)
HANDLE_DW_AT(0x91, language_version, 6, DWARF)
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Where are these numbers from?

https://dwarfstd.org/issues/210419.1.html

DW_AT_language_name 0x8d    constant
DW_AT_language_version  0x8e    constant

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First paragraph of: https://dwarfstd.org/languages-v6.html

It's also in the DWARFv6 draft PDF.

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There are a couple of constants between 0x8c and 0x90 but I haven't added them (assuming they'll be added into the right place ones needed)

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For dwarfdump's sake it might still be good to add the entire list sooner rather than later.


// Vendor extensions:
HANDLE_DW_AT(0x806, GHS_namespace_alias, 0, GHS)
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