[PATCH][gdb/testsuite] Be quiet about untested dtrace-prob.exp

[Luis Machado]

On 2/18/20 10:13 AM, Tom de Vries wrote:
> On 18-02-2020 13:35, Luis Machado wrote:
>> On 2/18/20 9:02 AM, Tom de Vries wrote:
>>> Hi,
>>>
>>> When running gdb.base/dtrace-probe.exp, I get this on stdout/stderr:
>>> ...
>>> Running src/gdb/testsuite/gdb.base/dtrace-probe.exp ...
>>> gdb compile failed, ld: error in \
>>>  Â Â  build/gdb/testsuite/outputs/gdb.base/dtrace-probe/dtrace-probe.o\
>>>  Â Â  (.eh_frame); no .eh_frame_hdr table will be created
>>> ld: crt1.o: in function `_start':
>>> start.S:110: undefined reference to `main'
>>> ld: build/gdb/testsuite/outputs/gdb.base/dtrace-probe/dtrace-probe-p.o:\
>>>  Â Â  (.SUNW_dof+0x88): undefined reference to `main'
>>> ld: build/gdb/testsuite/outputs/gdb.base/dtrace-probe/dtrace-probe-p.o:\
>>>  Â Â  (.SUNW_dof+0xb8): undefined reference to `main'
>>> collect2: error: ld returned 1 exit status
>>>
>>>  Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  === gdb Summary ===
>>>
>>> nr of untested testcases         1
>>
>> Odd. I'm running this natively on aarch64 and i don't see the same. I
>> only get output in gdb.log.
>>
> 
> I've looked a bit at the semantics of output_clone (in
> /usr/share/dejagnu/framework.exp), and the only way I could think of how
> that would happen for you is if the output somehow starts with a keyword
> like PASS/FAIL/WARNING/ERROR/etc. [ If you want to chase that difference
> it could be useful to post a gdb.log/gdb.sum/stdout_stderr.log. ]

I think the setup i have differs from yours. I don't have DTtrace, so 
the testsuite ends up using pdtrace. That somehow makes things go a 
different way. The build ends up failing, but silently.

as: unrecognized option '-64
readelf: Error: 
'binutils-gdb-master/gdb/testsuite/outputs/gdb.base/dtrace-probe/dtrace-probe-p.o': 
No such file
error: could not extract the start of shdr from 
binutils-gdb-master/gdb/testsuite/outputs/gdb.base/dtrace-probe/dtrace-probe-p.o
UNTESTED: gdb.base/dtrace-probe.exp: failed to compile