LEON2 and C++ exception handling

Mike Looijmans mike.looijmans at topic.nl
Mon Aug 14 06:04:22 UTC 2017

On 12-08-17 03:29, Chris Johns wrote:
> On 11/8/17 10:14 pm, Mike Looijmans wrote:
>> Is there maybe some other
>> entry/register/variable that my boot code needs to pass to RTEMS?
> Exceptions need valid tables registered with the unwinder to work or you end up
> in the terminate call.
> The SPARC architecture uses what is normally named dwarf2 tables that GCC places
> in '.eh_frame' or '.gcc_except_table.*' sections. The tables linked into the
> executable are registered with the exception handler code in libgcc and for C++
> are processed using '__gcc_personality_v0' personality function. I cannot
> remember how they are registered by default.
> I hope this helps.

Well, if I understand correctly, this just means that exception handling on 
LEON2 is just not implemented in RTEMS.

Kind regards,

Mike Looijmans
System Expert

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