C++ Constructor Initialization Failure for Cortex-A8

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Dec 2 06:55:30 UTC 2014


On 02/12/14 05:04, Thomas Kim wrote:
> Dear Sebastian,
>
> I am testing cxx_throw.exe on your same environment for 
> realview-pbx-a9-qemu.
> When I test below option, it is OK! as like you.
> CPU_CFLAGS = -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard 
> -mtune=cortex-a9
>
> But, When I changed option as like below, cxx_throw.exe just output 
> three lines.
> CPU_CFLAGS = -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=softfp 
> -mtune=cortex-a9

The second set of options is not supported by the tool chain.  See also

https://devel.rtems.org/wiki/Developer/Architecures/ARM/ARM-EABI

>
> < Output >
> Hey I'm in base class constructor number 1 for 0x201dcc.
> Hey I'm in base class constructor number 2 for 0x201dd4.
> Hey I'm in derived class constructor number 3 for 0x201dd4.
>
> Please could you let me know a reason about this result ?

No, you have to debug this if you really want to know what happens.

>
> Best Regards,
> Thomas Kim
>
> 2014-12-01 17:27 GMT+09:00 Sebastian Huber 
> <sebastian.huber at embedded-brains.de 
> <mailto:sebastian.huber at embedded-brains.de>>:
>
>     On 01/12/14 09:18, Thomas Kim wrote:
>
>         Do you mean that I should update both lastest RTEMS 4.10.99
>         source with GCC 4.8.3(RSB) ?
>
>
>     This is hard to say.  I would start a debugger and try to figure
>     out the problem source.
>
>     -- 
>     Sebastian Huber, embedded brains GmbH
>
>     Address : Dornierstr. 4, D-82178 Puchheim, Germany
>     Phone   : +49 89 189 47 41-16
>     Fax     : +49 89 189 47 41-09
>     E-Mail  : sebastian.huber at embedded-brains.de
>     <mailto:sebastian.huber at embedded-brains.de>
>     PGP     : Public key available on request.
>
>     Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
>

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.

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