* RE: gdbserver ARM gdb-5.3/5.2 - logout
@ 2003-07-31 13:21 Vijay Saha, Noida
0 siblings, 0 replies; only message in thread
From: Vijay Saha, Noida @ 2003-07-31 13:21 UTC (permalink / raw)
To: gdb, gdb-patches
I am trying to have a gdbserver for arm-linux target and x86/linux GDB host.
I have tried using the GDB-5.2.1 and GDB-5.3.
But there is some problem with GDB-5.3 gdbserver
Whenever the debugging of remote application is finished, the remote target
machine gets LOGOUT !!
The target arm-linux gets logged out even with simple non-threaded
applications and the GDB host gets the message that
"Program exited with code 016."
But his problem doesn't come with GDB-5.2.1 gdbserver.
Is there different mechanism of handling the inferior task or signal
handling in GDB-5.2 and 5.3 ??
Can anyone suggest something so that I can resaolve this logout issue with
gdbserver of GDB 5.3 ??
Thanks and regards
Vijay
-----Original Message-----
From: Daniel Jacobowitz [mailto:drow@mvista.com]
Sent: Thursday, July 31, 2003 6:27 PM
To: gdb@sources.redhat.com; gdb-patches@sources.redhat.com
Subject: Re: gdbserver multithread ARM gdb-5.3/5.2
On Thu, Jul 31, 2003 at 02:27:25PM +0530, Vijay Saha, Noida wrote:
> Hi
>
> I am new to gdbserver debugging. So I have got many queries...some of them
> may be trivial..so forgive me for that...
>
> I am trying to have a gdbserver for arm-linux target and x86/linux GDB
host.
> I have tried using the GDB-5.2.1 but that gdbserver doesn't seem to
support
> mutithreading.
>
> Then I had downloaded the released GDB-5.3 through FTP from
> sources.redhat.com.
> Even the gdbserver of GDB-5.3 doesn't seem to work correctly for
> multithreaded applications.
> (gdb) info threads
>
> It only showed me the main thread ID and no other threads even if the test
> application had many threads.
> It even didn't stop at any breakpoint set on threads..
>
> I think the released GDB -5.3 gdbserver is supposed to support
> multithreading debugging for ARM targets properly.
>
> Moreover, On the GDB-patches mailing list I could find some PATCH mail
from
> Danil Jacobowitz but it says something about "lin-thread.c"... but in
> GDB-5.3 I couldn't find any such file.
> Is it a totally new file or I have interpreted something incorrect..??
No, that file is obsolete.
> Is there any patch of gdbserver of gdb-5.3 or gdb-5.2 ??
>
> To debug multithreaded applications, do I need to have the target
arm-linux
> shared libraries of libthread_db.so.1 on GDB host as well..??
> If yes where to copy it..??
You don't need libthread_db.so.1. You do need pretty much all other
libraries. Please look in the manual under solib-absolute-prefix - I'm
not sure it's documented in older versions of the manual, but it's
there now.
> Has anyone supported GDB-5.2 gdbserver for thread debugging (remotely) ??
>
> Can someone help me in making myself clear about the patches and GDB
> versions for multithreaded debugging through gdbserver ??
>
> Is it possible that I use the gdbserver of GDB-5.3 and the GDB host of
> GDB-5.2 ??
> I know it won't be recommended but how much is this feasible??
I doubt it will work.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
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2003-07-31 13:21 gdbserver ARM gdb-5.3/5.2 - logout Vijay Saha, Noida
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