[PATCH][cxxabi] ARM EHABI zero-cost exception handling for libc++abi

Logan Chien tzuhsiang.chien at gmail.com
Tue Apr 29 11:02:23 PDT 2014


Hi Dan,

Unfortunately, I haven't got time to read and compare the code mentioned by
Jonathan yet.  Thus, there's no updates from my side.

I have slightly rebased my patch, you can find my latest patch here:

https://github.com/loganchien/libcxxabi/compare/master...arm-libcxxabi-patches

To try it out, there's the build script which I am using for cross
compiling:

https://github.com/loganchien/libcxx-scripts


Sincerely,
Logan


On Tue, Apr 29, 2014 at 10:58 AM, Jonathan Roelofs <
jonathan at codesourcery.com> wrote:

> Dan,
>
> I'm still debugging & adding bits of implementation to Nico Weber's
> version of it here: [1].  The big pieces left are some of the phase2 unwind
> directives, as well as the parts that save & restore VFP regs.  I haven't
> made much progress on getting chunks of it upstreamed (been busy with other
> things).
>
> Cheers,
> Jon
>
> [1]: https://github.com/awong-dev/ndk/tree/use-libc%2B%2Babi/
> sources/cxx-stl/llvm-libc%2B%2Babi/libcxxabi
>
>
> On 4/28/14, 7:19 PM, Dan Albert wrote:
>
>> Any update on this? I was about to do this myself when I found this
>> thread.
>>
>> - Dan
>>
>>
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>>
> --
> Jon Roelofs
> jonathan at codesourcery.com
> CodeSourcery / Mentor Embedded
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