[LLVMdev] DW_AT_[MIPS_]linkage_name inconsistency

Eric Christopher echristo at gmail.com
Thu Mar 5 16:56:49 PST 2015

On Thu, Mar 5, 2015 at 3:37 PM Robinson, Paul <
Paul_Robinson at playstation.sony.com> wrote:

> We're inconsistent about using DW_AT_MIPS_linkage_name versus
> DW_AT_linkage_name.
> Variables (see DwarfCompileUnit::getOrCreateGlobalVariableDIE())
> get the standard attribute for DWARF >= 4, MIPS for older.
> Subprograms (see DwarfUnit::applySubprogramDefinitionAttributes())
> always get DW_AT_MIPS_linkage_name (no version check).
Probably just a bug. It's definitely not intentional on my part.

> Before I go drudging through however many tests will die if I add
> a version check... we DO want to fix this, right?


> Thanks,
> --paulr
> P.S.  PS4 doesn't want linkage names at all, which will probably
> be even more painful test-wise, but it seemed like cleaning up
> this bit should come first regardless.
Yeah. Other fun is various different vendor attributes that we probably
don't want depending on debugger that's going to be used.

-fgdb-extensions, -flldb-extensions, -f<whatever your debugger is


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