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Re: undefined reference to __gnustep_objcxx_personality_v0
From: |
David Chisnall |
Subject: |
Re: undefined reference to __gnustep_objcxx_personality_v0 |
Date: |
Tue, 22 Dec 2015 08:17:26 +0000 |
On 20 Dec 2015, at 11:39, Dmitry Moskalchuk <address@hidden> wrote:
>
> Thanks for explanation, this is exactly what was unclear for me - how to
> properly handle both Objective-C and C++ exceptions in
> __gnustep_objcxx_personality_v0. The way to wrap Objective-C exception into
> C++ one makes sense and looks simple to implement. I'll try to move with it
> and will get back with results in a few days.
Ah, looking over the C++ unwinder code (which I wrote about 5 years ago, so
don’t remember too well), I now see why it’s different on ARM:
https://github.com/pathscale/libcxxrt/blob/master/src/cxxabi.h#L113
You’ll need to copy those fields in here:
https://github.com/gnustep/libobjc2/blob/master/objcxx_eh.cc#L80
That should prevent objc_init_cxx_exception from overwriting the wrong fields
on ARM. I think that there are some tests in the test suite (the ‘test’ build
target if you haven’t disabled building tests) that will indicate if it’s
actually working.
David
-- Sent from my Apple II
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/17
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/20
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/20
- Re: undefined reference to __gnustep_objcxx_personality_v0,
David Chisnall <=
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/22
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/24
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/24
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/25
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/26
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/26
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/26
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/26
- Re: undefined reference to __gnustep_objcxx_personality_v0, David Chisnall, 2015/12/26
- Re: undefined reference to __gnustep_objcxx_personality_v0, Dmitry Moskalchuk, 2015/12/26