Re: [RFA/RFC] testsuite: gdb_run_cmd tweak

[Stan Shebs <shebs@apple.com>]

Michael Snyder wrote:

> Stan Shebs wrote:
>
>> Michael Snyder wrote:
>>
>>> This just adds a regular expression to prevent gdb_run_cmd
>>> from choking on the msg that gdb emits when it detects that
>>> the file has changed and re-reads the symbols.
>>>
>>> I honestly don't remember the circumstances that caused me
>>> to add this -- it's been sitting in my sandbox for a while.
>>> Thought it would be better to offer it up than to throw it
>>> away...
>>
>>
>>
>> Wouldn't a message like this be symptomatic of failure
>> in GDB's executable date detection code, or in the executable
>> production bits?
>
>
> If I understand it, we get that message precisely when
> gdb's executable date detection code works as intended.
> It discovers that the executable's modification date has
> changed, and therefore re-reads the symbols.

But when would that happen while running the testsuite?
I would expect that the executable is left alone between run
commands - if GDB thinks it needs to re-read symbols between
run commands on the same executable, that seems like a GDB
bug and a performance loss to boot.

Stan