[lldb-dev] difference between "platform process attach|launch" and "process attach|launch"

Greg Clayton gclayton at apple.com
Mon Jan 26 16:33:50 PST 2015


Note we already have the ability to run a remote shell command:


        SBError
        SBPlatform::Run (SBPlatformShellCommand &shell_command);

this is in case you want to launch a shell command separately that you aren't going to debug.

Greg

> On Jan 26, 2015, at 4:32 PM, Greg Clayton <gclayton at apple.com> wrote:
> 
> 
>> On Jan 26, 2015, at 3:28 PM, Oleksiy Vyalov <ovyalov at google.com> wrote:
>> 
>> Hello,
>> 
>> I'm trying to make TestProcessAttach to pass in case of remote platform. I see a few problems here:
>> 	• lldbtest.spawnSubprocess should spawn a new process remotely (e.g., using A packet) when remote_platform is presented.
>> 	• It seems "process attach" doesn't know about selected platform and tries to find a local process to attach - either by pid or name (I don't see qLaunchGDBServer requests in platform's gdb-remote logs).
>> The main question for me here - is it expected behavior that "process attach|launch" always work with local processes only regardless of selected platform? Or if it's not the case should we delegate Process::Attach call to Platform::Attach and Process::Launch to Platform::ProcessLaunch?
>> Or as minimal workaround make TestProcessAttach to use "platform process attach" command instead?
> 
> 
> Yes, use the "platform process attach" command, or better yet add new API to SBPlatform:
> 
>    SBProcess
>    SBPlatform::Launch (SBLaunchInfo &launch_info, SBError& error);
> 
>    SBProcess
>    SBPlatform::Attach (SBAttachInfo &attach_info, SBError& error);
> 
> 
> Then we can use this API to do the launching/attaching via the SBPlatform object we already have stored.
> 
> Greg
> 





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