[LLVMdev] RTTI handling

Somorjai, Akos ASomorjai at graphisoft.com
Fri Sep 30 09:15:00 PDT 2011

Hello all,

I was wondering how llvm and clang handles the RTTI shared libraries issue mentioned here: http://gcc.gnu.org/faq.html#dso

Is it using name or address comparison?

We have an architecture with several frameworks and plug-ins; some of the latter are being loaded and unloaded runtime.
In the past that issue caused crashes in our app, so at the moment we are overriding __dynamic_cast to detect this problem, but that's kind of messy. I'm hoping for a better solution with llvm…

(Mac OS X 10.6/10.7, clang 3.0)


Ákos Somorjai
Developer Support Manager

GRAPHISOFT | Graphisoft Park 1. Budapest 1031 Hungary | +36 1 437-3000 | asomorjai at graphisoft.com

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