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From: Pedro Alves <palves@redhat.com>
To: Yao Qi <yao@codesourcery.com>
Cc: "gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: gdb in non-stop/sync mode connects to gdbserver
Date: Thu, 22 Nov 2012 18:16:00 -0000	[thread overview]
Message-ID: <50AE6BFF.5050008@redhat.com> (raw)
In-Reply-To: <50AE4E3D.8000701@codesourcery.com>

On 11/22/2012 04:09 PM, Yao Qi wrote:
> Hello,
> When running moribund-step.exp with boardfile 'unix', we'll get two passes,
> 
>   PASS: gdb.base/moribund-step.exp: set non-stop on
>   PASS: gdb.base/moribund-step.exp: step
> 
> However, when running it with boardilfe native-gdbserver, we'll get only one pass,
> 
>   PASS: gdb.base/moribund-step.exp: set non-stop on
> 
> in fact, gdb hang there when connecting to gdbserver.  Supposing gdb is in non-stop and sync mode, here is callgraph of functions related to 'connecting to remote gdbserver'.

"non-stop and sync mode" is really not supported.  non-stop is defined to
work only with async on.  There are many such assumptions in the code.  That the
test works in sync mode on native is just an accident.

-- 
Pedro Alves

  reply	other threads:[~2012-11-22 18:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-22 16:09 Yao Qi
2012-11-22 18:16 ` Pedro Alves [this message]
2012-11-23  1:35   ` Yao Qi

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