Re: Fix solib-disc.exp regression with x86 gdbserver

["H.J. Lu" <hjl.tools@gmail.com>]

On Sat, Apr 10, 2010 at 6:52 PM, Pedro Alves <pedro@codesourcery.com> wrote:
> The testsuite shows a couple of new regression with x86 gdbserver:
>

>
>  #0  init_register_cache (regcache=0x6453f0, regbuf=0x0) at ../../../src/gdb/gdbserver/regcache.c:85
>  #1  0x00000000004074fb in new_register_cache () at ../../../src/gdb/gdbserver/regcache.c:114
>  #2  0x00000000004075a5 in realloc_register_cache (thread_p=0x645390) at ../../../src/gdb/gdbserver/regcache.c:142
>  #3  0x00000000004068ce in for_each_inferior (list=0x63c5c0, action=0x407570 <realloc_register_cache>)
>     at ../../../src/gdb/gdbserver/inferiors.c:134
>  #4  0x0000000000407662 in set_register_cache (regs=0x638580, n=58) at ../../../src/gdb/gdbserver/regcache.c:167
>  #5  0x000000000041a0df in init_registers_amd64_linux () at amd64-linux.c:93
>  #6  0x0000000000423692 in x86_linux_update_xmltarget () at ../../../src/gdb/gdbserver/linux-x86-low.c:849
>  #7  0x00000000004238a2 in x86_linux_process_qsupported (query=0x0) at ../../../src/gdb/gdbserver/linux-x86-low.c:980
>  #8  0x000000000042265e in linux_process_qsupported (query=0x0) at ../../../src/gdb/gdbserver/linux-low.c:4235
>  #9  0x000000000040d433 in handle_query (own_buf=0x63d190 "qSupported:xmlRegisters=i386", packet_len=28,
>  ...

How can I debug gdbserver with gdb? I tried and it didn't work.

> This is losing any register changes done before "disconnect" in
> the previous session.
>
> The patch below fixes it, and I've applied it.
>
> (H.J., in case you don't know yet, here's how one easily
> tests against gdbserver on localhost:
>  <http://sourceware.org/gdb/wiki/TestingGDB#Testing_gdbserver_in_a_native_configuration>
> )

I will try it on AVX machine.

Thanks.

-- 
H.J.