RE: [cdt-dev] Can we use CDT debugger to attach to a running process in

[Xuan Chen <xuanchen@xxxxxxxxxx>]

Thanks, Marc.

It seems our gdb is relatively old.
 I will see if I can request a newer one.  Thanks.

Regards,

Xuan Chen,  Problem Determination Tools for IBM i
(905) 413-3769 T/L 313-3769
xuanchen@xxxxxxxxxx

Marc Khouzam <marc.khouzam@xxxxxxxxxxxx>
Sent by: cdt-dev-bounces@xxxxxxxxxxx

16/03/2010 12:44 PM

Please respond to
"CDT General developers list." <cdt-dev@xxxxxxxxxxx>

To	"CDT General developers list." <cdt-dev@xxxxxxxxxxx>
cc
Subject	RE: [cdt-dev] Can we use CDT debugger to attach to a running        process        in remote Linux server?

I'm going to assume you are using
a relatively recent GDB version (say 6.8 or more) because the --multi option
is not available in older GDBs.
 
run gdbserver like this
 
gdbserver --multi :10000 
 
no need for --attach.
 
Then, in DSF-GDB, after you have
connected to your target, you can click the 'connect' button which is
on the debug view bar.  Depending
on the GDB version you may get a list running processes on your
target.  You can select the
one you want.  If you don't get a list, you'll be prompted for a pid,
and you
can put the current pid on the
target e.g., 6700)

---

From: cdt-dev-bounces@xxxxxxxxxxx
[mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Xuan Chen
Sent: March-16-10 12:19 PM
To: CDT General developers list.
Subject: RE: [cdt-dev] Can we use CDT debugger to attach to a running
process in remote Linux server?


Thanks for the information, Marc. 

Some additional newbie questions regarding to using DSF-GDB:

I tried the following: 
In the Connection sub-tab, I chose the connection type as "TCP",
and for Host name or IP address, I put in the remote linux server name,
and a random number (10000) in the Port number entry field.

Then in  my linux server, I typed command like this:
gdbserver --multi :10000 --attach 6700 

Are these the right steps?   

Thanks,

xuanchen@xxxxxxxxxx

Marc Khouzam <marc.khouzam@xxxxxxxxxxxx>
Sent by: cdt-dev-bounces@xxxxxxxxxxx

16/03/2010 11:13 AM

Please respond to
"CDT General developers list." <cdt-dev@xxxxxxxxxxx>

To	"CDT General developers list." <cdt-dev@xxxxxxxxxxx>
cc
Subject	RE: [cdt-dev] Can we use CDT debugger to attach to a running        process in remote Linux server?

There are a couple of ways to do this using DSF-GDB, CDI or EDC.
Here's how to do it with DSF-GDB: 
  
Create a new "C/C++ Attach to Application" launch configuration
type, and at the bottom of the tabs you will see a hyperlink.
Click on it and select the "GDB (DSF) Attach to Process Launcher"
In the Debugger tab, select the 'gdbserver Debugger' (instead of the gdb/mi
default). 
You will then get a 'connection' sub-tab in the Debugger tab to put the
IP address and port. 
  
You also need to start gdbserver on your remote linux using
  
gdbserver --multi :<port> 
  
Marc

---

From: cdt-dev-bounces@xxxxxxxxxxx
[mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Xuan Chen
Sent: March-16-10 11:00 AM
To: CDT General developers list.
Subject: [cdt-dev] Can we use CDT debugger to attach to a running process
in remote Linux server?


Hi, 

It is probably a user question, instead of a developer question...

Is there a way to attach to a running process (the application I want to
debug need a special launch) in remote Linux server using CDT debug support?
 Thanks. 

Regards,

Xuan Chen,  Problem Determination Tools for IBM i
(905) 413-3769 T/L 313-3769
xuanchen@xxxxxxxxxx
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