On 6 April 2016 at 16:53, fengwei.yin <fengwei....@linaro.org> wrote: > Hi list, > I hit another weird problem after use gcc 5.3 (If I use gcc 4.9, there is no > any > issue) with android. >
Hi, Maybe this kind of problem would be handled better via bugzilla? > With arm gcc 5.3, the C++ apps crash in one class constructor call. And gdb > shows some vtbl items of the class are not relocated. > > With arm gcc 4.9, if set breakpoint in that constructor, we could see the > vtbl > items of the class are relocated. > > And Yes. I know the android bionic loader take response to do relocation. > But if > it works with gcc 4.9, I suppose bionic loader work well (unless gcc 5.3 > create > some new situation not handled by it). > > I attached the vtbl dump in gdb for gcc 5.3 and 4.9 both. We could see all > valid > entries in vtbl are relocated in 4.9 dump. But not all entries in vtbl are > relocated in 5.3 dump (the address is not started with 0xf). > Can you share the relocations corresponding to these dumps? (output of objdump -r for instance) Thanks > Suggestions/hints are welcome. Thanks a lot. > > Regards > Yin, Fengwei > > _______________________________________________ > linaro-toolchain mailing list > linaro-toolchain@lists.linaro.org > https://lists.linaro.org/mailman/listinfo/linaro-toolchain > _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-toolchain
