From: Doug Evans <dje@google.com>
To: Keith Seitz <keiths@redhat.com>
Cc: "gdb-patches@sourceware.org ml" <gdb-patches@sourceware.org>
Subject: Re: [RFA 4/9] Explicit locations v2 - Add address locations
Date: Sat, 02 Aug 2014 19:16:00 -0000 [thread overview]
Message-ID: <CADPb22SAbtHeG0V6ootC3qxifGG5ELEpXm9mjFkBWF9poOiDaQ@mail.gmail.com> (raw)
In-Reply-To: <5395F91D.1030905@redhat.com>
On Mon, Jun 9, 2014 at 11:12 AM, Keith Seitz <keiths@redhat.com> wrote:
> On 06/08/2014 02:58 PM, Doug Evans wrote:
>
>> I've given the series another read through.
>> Not as detailed a read through as I want to, but that'll have to wait for
>> a bit.
>>
>
> I really appreciate your efforts here. I owe you a beverage of your choice
> should we ever meet in person again!
Got Guinness? :-)
>> @@ -291,10 +290,8 @@ bpfinishpy_init (PyObject *self, PyObject *args,
>> PyObject *kwargs)
>> struct event_location location;
>>
>> /* Set a breakpoint on the return address. */
>> - initialize_event_location (&location, LINESPEC_LOCATION);
>> - finish_pc = get_frame_pc (prev_frame);
>> - xsnprintf (small_buf, sizeof (small_buf), "*%s", hex_string
>> (finish_pc));
>> - EVENT_LOCATION_LINESPEC (&location) = small_buf;
>> + initialize_event_location (&location, ADDRESS_LOCATION);
>> + EVENT_LOCATION_ADDRESS (&location) = get_frame_pc (prev_frame);
>> create_breakpoint (python_gdbarch,
>> &location, NULL, thread, NULL,
>> 0
>> I can think of two solutions. Maybe there's another even better one.
>>
>> 1) Have a "placement new"-like constructor akin to the existing
>> new_foo_location constructors we have that takes a pointer to the
>> object to initialize.
>> 2) Always use the existing new_foo_location constructors and free the
>> object when done.
>
>
> My purpose on this was efficiency. I haven't a clue how often a python
> script could call this, so I opted to handle memory allocations a little
> more tightly. I have no real objections to either solution, but I guess I
> would opt for #2 since that both exists and is already widely used.
>
> Do you want me to submit an update to the series for this, or shall I wait
> for more feedback?
When we last left our story I was about to leave for holidays, was
gone for most of June and half of July. Vacation time is over, alas,
back to work ... :-)
No need to submit an updated series until I get any remaining comments
out for this series.
Thanks!
next prev parent reply other threads:[~2014-08-02 19:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-08 18:01 Keith Seitz
2014-05-30 18:18 ` Keith Seitz
2014-06-08 21:58 ` Doug Evans
2014-06-09 18:12 ` Keith Seitz
2014-08-02 19:16 ` Doug Evans [this message]
2014-09-03 19:32 ` Keith Seitz
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