[llvm-dev] recognise DW_AT_SUN_amd64_parmdump dwarf attribute (original) (raw)

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Thu Apr 27 08:38:43 PDT 2017

This'll need a test case, in any case.

Adrian/Paul: Pondering this, any thoughts on how conflicts in the vendor extension range of attributes, forms, etc, should be resolved if they ever come up? (each vendor is free to define them as they wish, so it could be that multiple vendors have different definitions of the same code/number & would be ambiguous) I don't see any reason to block this patch if it doesn't have such a conflict, since there are already other vendor extension codes supported here for a variety of vendors - but does make me wonder.

On Thu, Apr 27, 2017 at 2:50 AM David Gwynne via llvm-dev < llvm-dev at lists.llvm.org> wrote:

sun created this tag for identifying functions that dumped their register arguments onto the stack.

this is enough for llvm-dwarfdump to recognise and print the attribute. hopefully someone will commit it. cheers, dlg Index: include/llvm/Support/Dwarf.def =================================================================== --- include/llvm/Support/Dwarf.def (revision 301500) +++ include/llvm/Support/Dwarf.def (working copy) @@ -343,6 +343,8 @@ HANDLEDWAT(0x2134, GNUpubnames, 0, GNU) HANDLEDWAT(0x2135, GNUpubtypes, 0, GNU) HANDLEDWAT(0x2136, GNUdiscriminator, 0, GNU) +// Sun Extension +HANDLEDWAT(0x2224, SUNamd64parmdump, 0, GNU) // Borland extensions. HANDLEDWAT(0x3b11, BORLANDpropertyread, 0, BORLAND) HANDLEDWAT(0x3b12, BORLANDpropertywrite, 0, BORLAND)

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