[fpc-devel] Calling virtual methods in GDB

[Jonas Maebe]

On 28 Sep 2011, at 03:55, Paul Ishenin wrote:

> 28.09.2011 4:08, Jonas Maebe wrote:
>>> - Exceptions =>  I know gdb has some features to restore the  
>>> stackframe =>  but I have no idea, if that relies on c-style  
>>> stuff, or would work with fpc exceptions too.
>>
>> It does not rely on anything C-specific. However, FPC's exception  
>> handling modifies global variables and there is not much gdb can do  
>> about that. The proper way to fix this (and many other issues)  
>> would be to implement FPC exception handling using DWARF EH-frame  
>> information.
>
> I thought exceptions does not work properly because they don't use  
> SEH on windows and the proper way to solve the problems is to  
> implement compiler and RTL support for SEH.

That's indeed the Windows-specific version of EH-frame based exception  
handling. I should have written "EH-frame" instead of "DWARF EH-frame".


Jonas