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Date: Sat, 15 Jan 2011 23:16:00 -0000
From: Michael Snyder <msnyder@vmware.com>
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To: =?UTF-8?B?6Zmz6Z+L5Lu7?= <chenwj@iis.sinica.edu.tw>
CC: "gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: How to run gdb with LD_PRELOAD?
References: <20110115144525.GD44658@cs.nctu.edu.tw>
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陳韋任 wrote:
> Hi, all
> 
>   I have a program using LD_PRELOAD. The program should be run like
> this, "LD_PRELOAD=/path/to/libfoo.so qemu -U LD_PRELOAD a.out", if
> without gdb.
> 
>   Here are what I did while running gdb.
> 
> --------------------------------------------------------------------
> $ gdb
> (gdb) set environment LD_PRELOAD=/path/to/libfoo.so
> (gdb) file qemu
> (gdb) r -U LD_PRELOAD a.out
> --------------------------------------------------------------------
> 
>   But gdb gave me the error below,
> 
> ERROR: ld.so: object '/nfs_home/chenwj/lib/libdbo.so' from LD_PRELOAD cannot be preloaded: ignored.
> 
>   Any suggestion appreciated.  


I would think it should be

(gdb) set environment LD_PRELOAD=/path/to/libfoo.so qemu -U LD_PRELOAD
(gdb) run