[llvm-dev] Vendor extensions to DWARF support

[Youssefi, Anna via llvm-dev]

Hi,

I was wondering if anyone has recommendations on how best to implement Vendor extensions to DWARF support.  In particular, some of the functions I need to call are protected methods of the DwarfUnit class
(such as addAttribute()), but the DwarfCompileUnit subclass is final and can't be extended, and making a new subclass of DwarfUnit appears to require overriding functions that we don't need to override.  Currently I have added vendor-specific functions to DwarfCompileUnit, but as we like to keep our extensions separate from proper llvm code, this is less than ideal.

Thanks,
Anna Youssefi
Texas Instruments
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