[PATCH v2 5/7] btrace, gdbserver: remove the to_supports_btrace target method

[Andreas Arnez]

On Mon, Feb 26 2018, Metzger, Markus T wrote:

> Hello Maciej,
>
>> Process .../gdb/testsuite/outputs/gdb.base/advance/advance created; pid =
>> 25519 Listening on port 2346 target remote 1.2.3.4:2346 Remote debugging using
>> 1.2.3.4:2346 Reading symbols from .../lib/ld.so.1...done.
>> 0x77fc8de0 in __start () from .../lib/ld.so.1 Protocol error: qXfer:btrace-conf
>> (read-btrace-conf) conflicting enabled responses.
>> (gdb) continue
>> The program is not being run.
>> (gdb) FAIL: gdb.base/advance.exp: can't run to main
>> 
>> See the attached RSP packet exchange log for details.  Please investigate.

For the record, the same happens on s390x.  It seems that you broke all
targets without HAVE_LINUX_BTRACE.

> Below is a patch to address this.  I tested it on IA by undefining HAVE_LINUX_BTRACE.
> Does it fix the issue you reported?

I've tested your patch on s390x, and it seems to fix the problem.

--
Andreas