> This change enables Shadow Stack protection on applications and > libraries built with gcc (C, C++), [...]
Only C and C++? Or everything compiled with GCC and -fcf-protection? Readelf shows "IBT, SHSTK" for several of our Ada libraries, so it would seem like those are compliant – but those properties are missing from Libgnat, which all Ada code is linked to. Thus I'm wondering whether the GCC package just needs to be fixed to build a compliant Libgnat, or whether there's some deeper reason why the protection works only for C and C++. While Ada is much more resistant to buffer overflows than C, many Ada programs are linked to libraries written in C (because reimplementing all the libraries would be a lot of work). It would be unfortunate if those libraries would lose this protection when loaded by an Ada program. Björn Persson
pgp6WrOB2gRBQ.pgp
Description: OpenPGP digital signatur
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