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From: Pedro Alves <palves@redhat.com>
To: Yao Qi <yao@codesourcery.com>, Peng Fan <van.freenix@gmail.com>
Cc: "gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: GDB Remote debug: Why several "$Z0,address,length" msg when only set one breakpoint?
Date: Wed, 27 Aug 2014 21:58:00 -0000	[thread overview]
Message-ID: <53FE547C.3030701@redhat.com> (raw)
In-Reply-To: <87d2bmgmil.fsf@codesourcery.com>

On 08/27/2014 01:11 PM, Yao Qi wrote:

> GDB is interested in entry address, but I don't know why GDB insert
> breakpoint there.  In GDB, command 'maintenance info breakpoints' can
> list all the user breakpoints and internal breakpoints.  If it still
> doesn't help, you can debug your gdb, set breakpoint
> remote_insert_breakpoint, and check why the breakpoint is inserted at
> 0x87800000.

I'd guess this is a build of GDB targeting Linux, and then that
breakpoint is the solib-event breakpoint.  One of the
last-resort addresses solib-svr4.c tries is _start:

static const char * const bkpt_names[] =
{
  "_start",
...

Thanks,
Pedro Alves


  reply	other threads:[~2014-08-27 21:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26  6:57 Peng Fan
2014-08-26 13:18 ` Luis Machado
2014-08-27  0:36 ` Yao Qi
2014-08-27  7:50   ` Peng Fan
2014-08-27 12:15     ` Yao Qi
2014-08-27 21:58       ` Pedro Alves [this message]
2014-08-28  1:21         ` Peng Fan

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