[Crash-utility] GCORE: add directly show backtrace function in crash

[HATAYAMA Daisuke]

From: Lei Wen <adrian.wenl at gmail.com>
Subject: GCORE: add directly show backtrace function in crash
Date: Mon, 22 Oct 2012 12:21:49 +0800

> Hi Daisuke,
> 
> I create a new option "-tT" for gcore, so that it could display bt for user
> space
> directly inside crash itself, without needing to dump a separated core file
> image,
> and analyze it in a different gdb env.
> 
> The attached patch is directly based on below patch, and verify over ARM
> platform.
> http://osdir.com/ml/general/2012-10/msg32677.html
> 
> Before use the corresponding gcore command, we need set env in crash by:
> 
> crash>> gdb set solib-search-path [system lib path]
> 
> crash>> gdb file   [user space program symbol file]
> 
> crash>> gcore -t [user space thread id]
> 
> Thanks,
> Lei

Hello Lei,

That must be a useful feature, but I think it's very othogonal to
gcore command...

Why not releasing your own extension module separately to gcore?

Thanks.
HATAYAMA, Daisuke