Mirror of the gdb-patches mailing list
 help / color / mirror / Atom feed
From: Pedro Alves <palves@redhat.com>
To: Yao Qi <yao@codesourcery.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH 6/9] agent capability of static tracepoint
Date: Fri, 24 Feb 2012 14:25:00 -0000	[thread overview]
Message-ID: <4F479C6A.6000305@redhat.com> (raw)
In-Reply-To: <4F478CB4.3060705@codesourcery.com>

On 02/24/2012 01:12 PM, Yao Qi wrote:
> On 02/24/2012 05:51 AM, Pedro Alves wrote:
>> > Hmm, this looks backwards.  We're reading the existence of a global in
>> > the agent called "ust_loaded", indicating whether it has loaded
>> > ust, and after, we check for the static trace capability.  If
>> > "ust_loaded" exists in the agent, then it sure understands static
>> > tracepoints.  The right check is:
>> > 
>> >  1. does the agent understand static tracepoints?
>> >  2. yes?  good.  and, is ust loaded perchance?
>> > 
>> > If the agent doesn't understand AGENT_CAPA_STATIC_TRACE,
>> > then you'd fail right on the ust_loaded read, or some other
>> > mechanism to check whether ust is in fact loaded in the inferior.
>> > 
> This logic makes sense to me.

Then can you revert the rename please (and the reindent it caused)?
Reading the callers, "loaded" is stronger than "supports", which would
be true even if ust is not loaded.  Let's leave a rename out until the
semantics of the function changes.

>  /* Returns true if both the in-process agent library and the static
> -   tracepoints libraries are loaded in the inferior.  */
> +   tracepoints libraries are loaded in the inferior, and agent has
> +   capability on static tracepoints.  */

s/on/for

Okay with those changes.

-- 
Pedro Alves


  reply	other threads:[~2012-02-24 14:19 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-17  2:56 [patch v2] GDB/GDBserver talks with agents Yao Qi
2012-02-17  2:56 ` [PATCH 3/9] command set agent on and off Yao Qi
2012-02-23 21:51   ` Pedro Alves
2012-02-24 13:13     ` Yao Qi
2012-02-24 14:15       ` Pedro Alves
2012-02-17  2:56 ` [PATCH 1/9] move agent related code from gdbserver to common/agent.c Yao Qi
2012-02-17  9:55   ` Mark Kettenis
2012-02-23 21:05   ` Pedro Alves
2012-02-23 21:17     ` Pedro Alves
2012-02-24  7:57     ` Yao Qi
2012-02-24 13:40       ` Yao Qi
2012-02-17  2:57 ` [PATCH 6/9] agent capability of static tracepoint Yao Qi
2012-02-23 22:06   ` Pedro Alves
2012-02-24 13:19     ` Yao Qi
2012-02-24 14:25       ` Pedro Alves [this message]
2012-02-17  2:57 ` [PATCH 8/9] impl of use_agent and can_use_agent in linux-nat Yao Qi
2012-02-23 22:15   ` Pedro Alves
2012-02-24  8:34     ` Yao Qi
2012-02-24 10:47       ` Pedro Alves
2012-02-24 13:31     ` Yao Qi
2012-02-24 14:10       ` Pedro Alves
2012-02-24 14:34         ` Yao Qi
2012-02-17  2:57 ` [PATCH 5/9] agent capability Yao Qi
2012-02-17  2:57 ` [PATCH 4/9] agent doc Yao Qi
2012-02-17 11:38   ` Eli Zaretskii
2012-02-17 13:34     ` Yao Qi
2012-02-17 16:10       ` Pedro Alves
2012-02-18 17:11       ` Eli Zaretskii
2012-02-20  3:56         ` Yao Qi
2012-02-20  6:22           ` Eli Zaretskii
2012-02-21 18:18           ` Pedro Alves
2012-02-22  1:56             ` Yao Qi
2012-02-22 20:41               ` Pedro Alves
2012-02-22 23:43                 ` Eli Zaretskii
2012-02-27 13:23                 ` Yao Qi
2012-02-17  2:57 ` [PATCH 7/9] move in_process_agent_loaded to agent_loaded_p Yao Qi
2012-02-23 22:11   ` Pedro Alves
2012-02-23 22:27     ` Pedro Alves
2012-02-17  2:57 ` [PATCH 2/9] add target_ops fields use_agent and can_use_agent Yao Qi
2012-02-17 11:40   ` Eli Zaretskii
2012-02-23 21:21   ` Pedro Alves
2012-02-24 13:01     ` Yao Qi
2012-02-24 13:05       ` Pedro Alves
2012-02-17  3:02 ` [PATCH 9/9] info static tracepoint in linux-nat Yao Qi
2012-02-24 13:37   ` Yao Qi
2012-02-17  4:02 ` [patch v2] GDB/GDBserver talks with agents Yao Qi
2012-02-17 12:03 ` Eli Zaretskii
2012-02-27  9:43   ` Yao Qi
2012-02-27 18:04     ` Eli Zaretskii

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F479C6A.6000305@redhat.com \
    --to=palves@redhat.com \
    --cc=gdb-patches@sourceware.org \
    --cc=yao@codesourcery.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox