• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Debugging an AudioServer plugin
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Debugging an AudioServer plugin


  • Subject: Re: Debugging an AudioServer plugin
  • From: Eric Gorouben <email@hidden>
  • Date: Fri, 08 Mar 2013 14:45:38 +0100

Hi Jeff,

It would be helpful to have something like a short tutorial. I've never used lldb to debug coreaudiod.

when I type  sudo lldb --wait-for coreaudiod lldb opens, that's all
 then after "sudo launchctl unload /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist" , nothing happens.
I suppose I have to enter something like pro at -n coreaudiod -w, which attaches to coreaudiod before that last command.
It starts as expected...
But then, I don't know what to do. I can't get any of the logs from my plugin (I can't even  get IOLog to display anything to the console, how can I solve this?) and I don't know how to set breakpoints into my plugin.

let's say we want to debug SimpleAudioPlugin, and break in SA_Device::Device_GetPropertyDataSize, at line 349.
What would be the path?
I would greatly appreciate this help!!!

Thanks
Eric
Le 7 mars 2013 à 19:41, Jeff Moore <email@hidden> a écrit :

> The right way to debug coreaudiod at startup is:
>
> 0) Unload coreaudiod
>   % sudo launchctl unload /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist
>
> 1) Start lldb/gdb up such that they await the launch of coreaudiod (note that you need to be root to debug coreaudiod):
>   % sudo lldb --wait-for coreaudiod
>
> 2) Start coreaudiod again:
>   % sudo launchctl load /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist
>
> --
>
> Jeff Moore
> Core Audio
> Apple
>
>
>
> On Mar 7, 2013, at 9:14 AM, Eric Gorouben <email@hidden> wrote:
>
>> I'm trying to debug my AudioServer plugin with xcode 4.6 and Mac OS 10.8.2.
>> Therefore, I want to attach the debugger to coreaudiod and restart it. But it doesn't work.
>> What is he proper recipe for this?
>
>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Coreaudio-api mailing list      (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden


 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden


  • Follow-Ups:
    • Re: Debugging an AudioServer plugin
      • From: Jeff Moore <email@hidden>
References: 
 >Debugging an AudioServer plugin (From: Eric Gorouben <email@hidden>)
 >Re: Debugging an AudioServer plugin (From: Jeff Moore <email@hidden>)

  • Prev by Date: Re: Debugging an AudioServer plugin
  • Next by Date: Understanding offline MIDI MusicDevice render
  • Previous by thread: Re: Debugging an AudioServer plugin
  • Next by thread: Re: Debugging an AudioServer plugin
  • Index(es):
    • Date
    • Thread