gdbserver 7.1 unable to read registers

William Wagner will_wagner@carallon.com
Fri Sep 24 07:54:00 GMT 2010


  On 24/09/2010 08:47, Jan Kratochvil wrote:
> On Thu, 23 Sep 2010 19:16:58 +0200, William Wagner wrote:
>> Remote 'g' packet reply is too long: 00000000b07edbbe0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c07ddbbe00000000a007004010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
>>
>> As far as I can tell the error is because the target and the host
>> disagree as to how many registers there are on the target,
> While I have seen it only on i386<->x86_64 it should be the same problem:
> http://sourceware.org/gdb/wiki/FAQ#line-53
> 15. When connecting to gdbserver I get Remote register badly formatted, g packet
>      reply to long etc.
> Your gdb 32bit/64bit architecture setting may not match that of gdbserver. Try
> to load the executable by file first. You may also check set/show architecture.
>
Thanks, I had seen that also. I am already passing in the unstripped 
executable when I call gdb so I think it should have been set already. I 
try showing the architecture but it just reports arm which is not 
specific enough to give me a clue what is wrong, I assume it is some 
mismatch in expected floating point registers.

Will

-- 
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Will Wagner                                     will_wagner@carallon.com
Development Manager                      Office Tel: +44 (0)20 7371 2032
Carallon Ltd, Studio G20, Shepherds Building, Rockley Rd, London W14 0DA
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