Re: qSymbol when using symbol-file

[Tim Sander <tim@krieglstein.org>]

Hi

Thanks for your replies!

Am Mittwoch, 18. Juni 2014, 10:25:19 schrieb Yao Qi:
> On 06/03/2014 04:58 PM, catalin.udma@freescale.com wrote:
> > In the gdb/gdbserver scenario, gdb is not sending qSymbol packet when
> > using "symbol-file", without "file" or "exec-file".> 
> > The steps are:
> >   start gdb (with no arguments)
> >   (gdb) symbol-file <file>
> >   (gdb) target remote <ip>:<port>
> >   ->  qSymbol packet is not sent.
> 
> I can reproduce it on GDB 7.7, but can't reproduce it on GDB HEAD
> (20140617) and 7.8 pre-release (gdb-7.7.90).
> 
> 1. Start gdbserver
>    $ ./gdbserver/gdbserver :1234 ./testsuite/gdb.base/wchar
> 2. Start gdb
>    $ ./gdb
>    (gdb) symbol-file ./testsuite/gdb.base/wchar
>    Reading symbols from ./testsuite/gdb.base/wchar...done.
>    (gdb) set debug remote 1
>    (gdb) target remote :1234
>    ....
>    0x42d0c050 in ?? ()
> Sending packet: $qSymbol::#5b...Packet received:
> qSymbol:6764625f6167656e745f6764625f74705f686561705f627566666572
> Packet qSymbol (symbol-lookup) is supported
> Sending packet:
> $qSymbol::6764625f6167656e745f6764625f74705f686561705f627566666572#1e...Pack
> et received: qSymbol:6e70746c5f76657273696f6e
> Sending packet: $qSymbol::6e70746c5f76657273696f6e#4d...Packet received: OK
> 
> qSymbol is sent.  You can use gdb 7.8 which will be released soon.
Thanks for the information. I searched the internet but couldn't find some 
documentation besides the release notes and a high level description in the 
online manual?

Its currently not clear to me how that feature is to be used, especially for 
the bare hw layer?

Best regards
Tim