Re: Debugging an AudioServer plugin
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?
>
>
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