From: Gary Thomas <gary@mlbassoc.com>
To: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Poky <poky@lists.pokylinux.org>
Subject: Re: Missing debug info
Date: Sun, 03 Apr 2011 19:25:25 -0600 [thread overview]
Message-ID: <4D991E05.5080708@mlbassoc.com> (raw)
In-Reply-To: <1301867162.24596.304.camel@rex>
On 04/03/2011 03:46 PM, Richard Purdie wrote:
> On Sun, 2011-04-03 at 08:53 -0600, Gary Thomas wrote:
>> I'm trying to debug some code which uses the openssl library, built from
>> the Poky mainline. For some reason (not obvious to me), there is no debug
>> info for this library, which makes GDB pretty useless :-(
>>
>> (gdb) info sharedlibrary
>> From To Syms Read Shared Object Library
>> 0x40077790 0x4008f60c Yes /tmp/cobra_root/lib/ld-linux.so.3
>> 0x401abf80 0x401d57d8 Yes (*) /tmp/cobra_root/usr/lib/libssl.so.0.9.8
>> 0x40225548 0x402cfbfc Yes (*) /tmp/cobra_root/usr/lib/libcrypto.so.0.9.8
>> 0x400f28f8 0x4010cf90 Yes /tmp/cobra_root/usr/lib/libpcap.so.1
>> 0x40326340 0x4040e8d8 Yes /tmp/cobra_root/lib/libc.so.6
>> 0x401278fc 0x40128614 Yes /tmp/cobra_root/lib/libdl.so.2
>> (*): Shared library is missing debugging information.
>>
>> Any idea why these libraries don't have debg info? how to get it?
>> Rebuilding that library with printf() is pretty tedious...
>
> Looking at some builds here, openssl seems to build debug symbols in the
> usual way. Did you have the appropriate -dbg package installed? Are
> there debug symbols in /tmp/cobra_root/usr/lib/.debug/libssl.so.0.9.8 ?
[gthomas@titan p60_poky]$ ls /tmp/cobra_root/usr/lib/.debug -l
total 5496
lrwxrwxrwx 1 gthomas gthomas 18 Apr 3 14:10 libcrypto.so -> libcrypto.so.0.9.8
-rwxrwxr-x 1 gthomas gthomas 4062169 Mar 30 07:37 libcrypto.so.0.9.8
lrwxrwxrwx 1 gthomas gthomas 16 Apr 3 08:35 libpcap.so.1 -> libpcap.so.1.1.1
-rwxrwxr-x 1 gthomas gthomas 340999 Mar 30 11:12 libpcap.so.1.1.1
lrwxrwxrwx 1 gthomas gthomas 15 Apr 3 14:10 libssl.so -> libssl.so.0.9.8
-rwxrwxr-x 1 gthomas gthomas 1217365 Mar 30 07:37 libssl.so.0.9.8
> Do the files list the same debug checksum?
Not sure what this means, sorry.
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
prev parent reply other threads:[~2011-04-04 1:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-03 14:53 Missing debug info Gary Thomas
2011-04-03 19:56 ` Mark Hatle
2011-04-03 20:12 ` Gary Thomas
2011-04-04 13:07 ` Hatle, Mark
2011-04-04 13:36 ` Gary Thomas
2011-04-03 21:46 ` Richard Purdie
2011-04-04 1:25 ` Gary Thomas [this message]
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