Re: [cdt-dev] catchpoints

[John Cortell <john.cortell@xxxxxxxxxxxxx>]

Elena, our debugger already does or can support many of these 
catchpoints. So, yes, please lets design this so this can be 
supported by non-gdb backends.

John

At 12:52 PM 4/7/2008, Elena Laskavaia wrote:
> I looked in details of how catchpoints supported in gdb. It has a lot of
> exciting features in a help, but they barely work.
>
> (gdb) help catch
> Set catchpoints to catch events.
> Raised signals may be caught:
>         catch signal              - all signals
>         catch signal <signame>    - a particular signal
> Raised exceptions may be caught:
>         catch throw               - all exceptions, when thrown
>         catch throw <exceptname>  - a particular exception, when thrown
>         catch catch               - all exceptions, when caught
>         catch catch <exceptname>  - a particular exception, when caught
> Thread or process events may be caught:
>         catch thread_start        - any threads, just after creation
>         catch thread_exit         - any threads, just before expiration
>         catch thread_join         - any threads, just after joins
> Process events may be caught:
>         catch start               - any processes, just after creation
>         catch exit                - any processes, just before expiration
>         catch fork                - calls to fork()
>         catch vfork               - calls to vfork()
>         catch exec                - calls to exec()
> Dynamically-linked library events may be caught:
>         catch load                - loads of any library
>         catch load <libname>      - loads of a particular library
>         catch unload              - unloads of any library
>         catch unload <libname>    - unloads of a particular library
> The act of your program's execution stopping may also be caught:
>         catch stop
> C++ exceptions may be caught:
>         catch throw               - all exceptions, when thrown
>         catch catch               - all exceptions, when caught
> Ada exceptions may be caught:
>         catch exception           - all exceptions, when raised
>         catch exception <name>    - a particular exception, when raised
>         catch exception unhandled - all unhandled exceptions, when raised
>         catch assert              - all failed assertions, when raised
>
>
>  From this list gdb 6.7 does support catch catch and catch throw,
> without conditions and exception name, and only after program is already
> running
>
>
>
> So the questions are:
> 1 - do any other debuggers support similar functionality? do we want
> public API and debugger independent ui for it?
> 2 - or do we want to implement it for gdb only, assuming they eventually
> would implement it?
>
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