-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2013-09-18 13:20:27 -0400, Jung-uk Kim wrote: 2013년 9월 18일 13:20, Jung-uk Kim 쓴 글:> On 2013-09-18 12:39:46 - -0400, David Chisnall wrote: >> On 18 Sep 2013, at 16:26, Tijl Coosemans <tijl_at_freebsd.org> >> wrote: > >>> On Tue, 17 Sep 2013 21:04:14 -0400 Jung-uk Kim wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>>> >>>> On 2013-09-17 13:24:41 -0400, Jung-uk Kim wrote: >>>>> I am still working on libc++ issues but it is much more >>>>> complicated. :-( >>>> >>>> I fixed almost everything except for exception handling >>>> issues. Unfortunately, libc++/libcxxrt's exception handling >>>> is not 100% compatible with libstdc++'s and I couldn't find >>>> a proper fix. :-( >>>> >>>> Basically, C++/UNO bridge for LibreOffice/OpenOffice does >>>> some clever hacks, somewhat similar to the example on this >>>> blog page: >>>> >>>> http://zbigg.blogspot.com/2009/03/catch-on-g.html >>> >>> The definition of struct __cxa_exception doesn't match the one >>> in /usr/include/c++/v1/cxxabi.h. There's an extra field at >>> the start in the __LP64__ case: uintptr_t referenceCount. > >> This field is present in newer versions of the ABI spec and is >> also there in new versions of libsupc++. It's required for >> implementing C++11 dependent exceptions. > >> It shouldn't matter for code that doesn't allocate the structure >> (and nothing outside of libsupc++ / libcxxrt should be >> allocating them), because these structures are always passed >> around by pointers to their ends (where the _Unwind_Exception >> structure lives). > > Ah, I see. Now I wrote a proper fix and it looks very promising. > :-) Committed: http://svnweb.freebsd.org/changeset/ports/327589 Thanks! Jung-uk Kim * PS: IMHO, the ABI compatibility issue must be fixed before 10.0. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (FreeBSD) iQEcBAEBAgAGBQJSOj6JAAoJECXpabHZMqHOlhgIAJg0fAXSLdqR+otyUrvgcfDg fuyYMfbcaVk1yGdPuUwppFb8/hZCP0YDKRCf8JmCpisz5yEcUTQYCVmvWCfjBMTa 2Caelx2Cof2ao6o4IAaDd+qVP16Mdio3e8iAb2Kh8tbj08eLIpn5GvmEOOkNGnVN HYAONN8e5x3PJN7N+vWcNR1uYw1PZHww44KImZeQ7ejbWQwE28NBbkCwLeddB4he bafcFPXJccngoW2c9RUIm81sRycZP5vP9dwhJicBHUEK46/x0TW0SQRavH5d0Wnx E4FxksUen9lQOYtbwFPEfDTH4NnHB+zlwA7SwQgqGFXHqOBn81r3+YTzNmH4rd0= =t0tP -----END PGP SIGNATURE-----Received on Wed Sep 18 2013 - 22:02:46 UTC
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