On 13/02/2020 17:56, Heinz Junkes wrote:
I'm starting an EPICS IOC. Loading works if I don't set RTEMS_DEBUG.
The loaded images are similar in size.
I have not changed anything in the EPICS software. I still have the problem
that I do not understand
how the freebsd dhcpcd works and therefore wanted to set RTEMS_DEBUG to get
more detailed output.
Did you check some tests of the RTEMS test suite? Did you enable the
stack checker? How many file descriptors did you configure?
Without a debugger I would use the following approach:
* compile libbsd/application with --finstrument-functions,
* enable the event recording,
* dump the event records in base64 encoding in the fatal error handler,
* add support for base64 encoded data to the rtems-record-lttng
converter, and
* view the trace with babeltrace or Trace Compass.
__attribute__((__no_instrument_function__)) void
__cyg_profile_func_enter(void* this_fn, void* call_site)
{
rtems_record_produce_2(RTEMS_RECORD_CALLER,
(rtems_record_data)call_site,
RTEMS_RECORD_FUNCTION_ENTRY,
(rtems_record_data)this_fn);
}
__attribute__((__no_instrument_function__)) void
__cyg_profile_func_exit(void* this_fn, void* call_site)
{
rtems_record_produce(RTEMS_RECORD_FUNCTION_EXIT,
(rtems_record_data)this_fn);
}
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