Covoar address to line to DWARF updates.

[Joel Sherrill]

On Thu, May 24, 2018, 10:43 AM Vijay Kumar Banerjee <
vijaykumar9597 at gmail.com> wrote:

> On 24 May 2018 at 18:58, Vijay Kumar Banerjee <vijaykumar9597 at gmail.com>
> wrote:
>
>> On 24 May 2018 at 18:21, Gedare Bloom <gedare at rtems.org> wrote:
>>
>>> Vijay,
>>>
>>> Please test Chris' modifications.
>>>
>>> On Thu, May 24, 2018 at 2:23 AM, Chris Johns <chrisj at rtems.org> wrote:
>>> > Hi,
>>> >
>>> > I have pushed my latest set of changes to my personal repo to remove
>>> covoar
>>> > exec'ing addr2line and to directly use the DWARF debug info.
>>> >
>>> > I have not been able to fully test the results because I do not have a
>>> suitable
>>> > .exe and .cov pair with match source. The executable and coverage data
>>> I have
>>> > received has helped but objdump fails because I do not have the source
>>> in the
>>> > executable path so does not find the source.
>>> >
>>> > I would like to get these changes on to master as soon as possible so
>>> if a
>>> > covoar built from my repo can be tested I can then push the changes to
>>> master.
>>> >
>>> > I have added to RTEMS Tools an addr2line utility as I needed a tool to
>>> test the
>>> > DWARF support I have added to the rtemstoolkit.
>>> >
>>> > The repo is https://git.rtems.org/chrisj/rtems-tools.git and the
>>> changes are on
>>> > the branch 'covoar-dwarf'.
>>> >
>>>
>>  Hello ,
>> I have added the .cov trace file and the objdump output of hello.exe
>> that I'm getting.
>> Is there anything else I should be doing to test it ?
>> Shall I send the txt reports generated from covoar ?
>>
>
> I merged your branch with my current working branch that's
> producing html reports.
> When I run in for samples/ I'm getting some report that looks good.
> But when I run for the whole testsuites. It trips in the middle after a
> lot of
> INFO messages. It shows the following error:
>
> ===========
> .
> .
> .
> INFO: DesiredSymbols::createCoverageMap - Attempt to create unified
> coverage maps for CSWTCH.1 with different sizes
> (/home/lunatic/development/rtems/kernel/leon3/sparc-rtems5/c/leon3/testsuites/libtests/mghttpd01/mghttpd01.exe/2148!=
> /home/lunatic/development/rtems/kernel/leon3/sparc-rtems5/c/leon3/testsuites/benchmarks/dhrystone/dhrystone.exe/16)
> error: SymbolTable::addSymbol: Different lengths for the symbol CSWTCH.1
> (16 and 544)
> error: covoar failure exit code:
>

This is the symbol loading picking up rodata merged into the text segment.
Chris know about this and it is on his to-do list.

Can you ignore these and see how the results look?

>
>
>>
> > Thanks
>>> > Chris
>>> > _______________________________________________
>>> > devel mailing list
>>> > devel at rtems.org
>>> > http://lists.rtems.org/mailman/listinfo/devel
>>>
>>
>>
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