From: "(see below)" <yaldnif.w@blueyonder.co.uk>
Subject: Re: Symbolic tracebacks on Debian
Date: Sun, 23 May 2010 19:35:08 +0100
Date: 2010-05-23T19:35:08+01:00 [thread overview]
Message-ID: <C81F33EC.14438D%yaldnif.w@blueyonder.co.uk> (raw)
In-Reply-To: m2632evcn3.fsf@pushface.org
On 23/05/2010 16:52, in article m2632evcn3.fsf@pushface.org, "Simon Wright"
<simon@pushface.org> wrote:
> Stephen Leake <stephen_leake@stephe-leake.org> writes:
>
>> Simon Wright <simon@pushface.org> writes:
>>> You need to call
>>>
>>> GNAT.Exception_Traces.Trace_On
>>> (Kind => GNAT.Exception_Traces.Unhandled_Raise);
>>
>> I never do this.
>>
>>> from somewhere in your program and run gnatmake with -bargs -E.
>>
>> I only do this if I want symbolic traces from the running program, which
>> I don't anymore.
>
> If you want _symbolic_ traces you add
>
> GNAT.Exception_Traces.Set_Trace_Decorator
> (Decorator => GNAT.Traceback.Symbolic.Symbolic_Traceback'Access);
>
> Actually, there is a difference: this code
>
> with GNAT.Exception_Traces;
> procedure T is
> Foo, Bar : exception;
> task T is
> entry Start;
> end T;
> task body T is
> begin
> accept Start;
> raise Bar;
> end T;
> begin
> GNAT.Exception_Traces.Trace_On
> (Kind => GNAT.Exception_Traces.Unhandled_Raise);
> T.Start;
> raise Foo;
> end T;
>
> results in
>
> $ ./t
>
> Unhandled Exception raised
> Exception name: T.FOO
> Message: t.adb:16
> Call stack traceback locations:
> 0x100001577 0x10000141b
> task t_0000000100800E00 terminated by unhandled exception
> Exception name: T.BAR
> Message: t.adb:10
> Call stack traceback locations:
> 0x100001742 0x10000aa82 0x7fff825fb8b4
>
> whereas with the Trace_On call commented out, it generates
>
> $ ./t
>
> Execution terminated by unhandled exception
> Exception name: T.FOO
> Message: t.adb:16
> Call stack traceback locations:
> 0x10000157d 0x10000142b
>
> so you get to see the unhandled exceptions in tasks too.
Are these features enabled in your OS X port, Simon?
--
Bill Findlay
<surname><forename> chez blueyonder.co.uk
next prev parent reply other threads:[~2010-05-23 18:35 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-14 13:16 About static libraries and Debian policy Dmitry A. Kazakov
2010-05-14 14:57 ` sjw
2010-05-14 15:29 ` Dmitry A. Kazakov
2010-05-14 18:43 ` Ludovic Brenta
2010-05-14 19:54 ` Dmitry A. Kazakov
2010-05-14 20:38 ` Ludovic Brenta
2010-05-15 7:46 ` Dmitry A. Kazakov
2010-05-15 10:07 ` Ludovic Brenta
2010-05-15 11:07 ` Simon Wright
2010-05-15 21:48 ` Ludovic Brenta
2010-05-16 10:13 ` Simon Wright
2010-05-16 10:31 ` Ludovic Brenta
2010-05-19 21:59 ` Björn Persson
2010-05-20 7:20 ` Symbolic tracebacks on Debian (Was: About static libraries and Debian policy) Ludovic Brenta
2010-05-20 8:38 ` Alex R. Mosteo
2010-05-21 12:26 ` Ludovic Brenta
2010-05-25 8:39 ` Symbolic tracebacks on Debian Ludovic Brenta
2010-05-20 14:04 ` Symbolic tracebacks on Debian (Was: About static libraries and Debian policy) Dmitry A. Kazakov
2010-05-21 8:52 ` Symbolic tracebacks on Debian Stephen Leake
2010-05-22 11:03 ` (see below)
2010-05-22 11:25 ` Simon Wright
2010-05-22 21:37 ` (see below)
2010-05-23 13:28 ` Stephen Leake
2010-05-23 15:52 ` Simon Wright
2010-05-23 18:35 ` (see below) [this message]
2010-05-23 19:46 ` Simon Wright
2010-05-24 9:04 ` Stephen Leake
2010-05-24 19:14 ` Simon Wright
2010-05-25 2:13 ` Stephen Leake
2010-05-25 9:02 ` Alex R. Mosteo
2010-05-25 19:16 ` Simon Wright
2010-05-26 7:30 ` Stephen Leake
2010-05-24 9:03 ` Stephen Leake
2010-05-22 11:30 ` Yannick Duchêne (Hibou57)
2010-05-22 13:20 ` Björn Persson
2010-05-22 13:56 ` Dmitry A. Kazakov
2010-05-22 12:53 ` Symbolic tracebacks on Debian (Was: About static libraries and Debian policy) Björn Persson
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