luis at luismarques.eu
Mon May 21 13:48:36 UTC 2018
On Sunday, 20 May 2018 at 17:32:53 UTC, David Nadlinger wrote:
> First of all, what is the exception ABI for your target? Is it
> table-based using DWARF frame information? Or is it
It's table-based DWARF.
> I don't quite remember whether this question has even been
> addressed for RISC-V so far, that is, whether there even is a
> compiler port that supports C++ exceptions, or an ABI document
> that prescribes a particular implementation.
Yeah, the GCC port of RISC-V includes exception support.
> From there, it's a matter of setting the ExceptionType
> correctly in your MCAsmInfo subclass, and fixing up various
> other bits and pieces as required. (For example, the code
> generator might need some tweaks to make sure the frame offset
> information is up to date, etc.) Grepping lib/Backend for
> `DwarfCFI` should provide you with some inspiration.
Cool, I'll look into that.
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