[cfe-dev] [libcxxabi] Contributing ARM EHABI support for libcxxabi
thakis at chromium.org
Tue Dec 3 14:32:31 PST 2013
We’re evaluating using libc++ and libc++abi for Chromium/Android. While
libc++abi has an unwind implementation since r192136, we noticed that
there’s no support for unwinding using ARM EHABI-style unwind information,
so in the last two weeks some of us (Albert Wong, Antoine Labour, Dana
Jansens, and I) prototyped support for it, and we’re able to catch at least
simple exceptions (you can look at our code here ). We believe at least
some of our code is ready for upstreaming.
A few questions:
1.) Is there interest for this upstream?
2.) Who should review this? Howard? Nick? Anton?
3.) r192136 didn’t add any test – how should testing of unwinding code
work? Is running the exception tests in the libc++ suite enough?
4.) The unwind code doesn’t adhere to llvm style all that much – does it
make sense to clang-format while it still has next to no svn history before
landing other changes?
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