Hi,
It's a bug that every body have or is it dependent of my machine ?
Feedback would be welcome.


Sylvere Teissier a écrit :
> 
> 
> Tristan Gingold wrote:
>> On Wed, Jul 29, 2009 at 10:33:25AM +0200, Sylvere Teissier wrote:
>>  
>>> Le vendredi 20 février 2009 à 23:30 +0100, Sylvere Teissier a écrit :
>>>    
>>>> Arnim Läuger wrote:
>>>>      
>>>>> What is the exact error message?
>>>>> I just gave it a try with ghdl 0.27 and it analyzed a file without any
>>>>> problems:
>>>>> $ ghdl -a --std=93c --workdir=work -Wc,-ftest-coverage
>>>>> -Wc,-fprofile-arcs ../src/T80/T80_MCode.vhd
>>>>> $ ll
>>>>> work
>>>>> T80_MCode.gcno
>>>>>           
>>>> Analysis works too on my platform (debian lenny -
>>>> ghdl0.27+svn110+gcc4.3.2),
>>>> but  I have a "seg fault" when running  gcov after design execution :(
>>>>       
>>> Am I the only one to have this problem, or is it a general bug ?
>>>
>>> Code Coverage is an important feature, if this is a bug how can I help
>>> to solve it?
>>>     
>>
>> Hi Sylvere,
>>
>> I have tried gcov with ghdl 0.28 and it worked.  One possible issue is
>> that
>> your gcc version must be the same as the one used by ghdl (ie 4.3.x).
>> Can you check that ?
>> Maybe this constraint is too hard, and maybe I should include a ghdl-gcov
>> tool.
>>   
> It nearly works:
> 
> ----------------------------
> test.gcno:no lines for 'work__test__ELAB'
> File 'test.vhd'
> Lines executed:91.67% of 12
> test.vhd:creating 'test.vhd.gcov'
> 
> File ''
> No executable lines
> :creating '.gcov'
> :cannot open source file
> -------------------------
> 
> The generated test.vhd.gcov is correct. But there is an error in the
> gcno in "work__test__ELAB":
> if I run gcov-dump I get:
> 
> 
> test.gcno:note:magic `gcno':version `403*'
> test.gcno:stamp 3898939573
> test.gcno:3: 01000000:  13:FUNCTION ident=3, checksum=0xee98a117,
> `work__test__ELAB' test.vhd:0
> test.gcno:18:  01410000:   3:BLOCKS 3 blocks
> test.gcno:20:        0 0000 0000 0000
> test.gcno:23:  01430000:   3:ARCS 1 arcs
> test.gcno:26:    block 0: 1:0004
> test.gcno:28:  01430000:   3:ARCS 1 arcs
> test.gcno:31:    block 1: 2:0001
> test.gcno:33:  01450000:  10:LINES
> test.gcno:36:    block 1:`test.vhd'
> test.gcno:41:    block 1:`'
> test.gcno:record size mismatch 1 bytes overread
> test.gcno:45: 01000000:  15:FUNCTION ident=4, checksum=0x54cfe1c5,
> `work__test__ARCH__test__f' test.vhd:1
> test.gcno:62:  01410000:   3:BLOCKS 3 blocks
> test.gcno:64:        0 0000 0000 0000
> test.gcno:67:  01430000:   3:ARCS 1 arcs
> test.gcno:70:    block 0: 1:0004
> test.gcno:72:  01430000:   3:ARCS 1 arcs
> test.gcno:75:    block 1: 2:0001
> test.gcno:77:  01450000:  10:LINES
> test.gcno:80:    block 1:`test.vhd':1, 8
> test.gcno:89: 01000000:  17:FUNCTION ident=5, checksum=0x6e31d39d,
> `work__test__ARCH__test__P0__PROC' test.vhd:8
> test.gcno:108:  01410000:  28:BLOCKS 28 blocks
> test.gcno:110:        0 0000 0000 0000 0000 0000 0000 0000 0000
> test.gcno:118:        8 0000 0000 0000 0000 0000 0000 0000 0000
> test.gcno:126:        16 0000 0000 0000 0000 0000 0000 0000 0000
> test.gcno:134:        24 0000 0000 0000 0000
> test.gcno:138:  01430000:   3:ARCS 1 arcs
> test.gcno:141:    block 0: 1:0005
> 
> As you can see there an error at test.gcno:41 and that's why gcov search
> and not find  < File '' >
> 
> -------various informations:
> 
> $ghdl -v
> GHDL 0.28 (20090917) [Sokcho edition]
> Compiled with GNAT Version: 4.3.4
> GCC back-end code generator
> 
> --------------------------------------------
> 
> $/usr/lib/ghdl/bin/gcov -v
> gcov (GCC) 4.3.3
> 
> ---------------------------------------
> build steps:
> 
> ghdl -a -Wc,-ftest-coverage -Wc,-fprofile-arcs test.vhd
> ghdl -e -Wl,-lgcov test
> ./test
> /usr/lib/ghdl/bin/gcov test
> 
> 
> 
> 
> ------------------------------------------------------------------------
> 
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-- 
Sylvère Teissier
INVIA
Europarc Sainte Victoire - Bât 6
13590 MEYREUIL
FRANCE
Tel +33 4 42 24 50 77
Fax +33 4 42 24 50 71
Web: www.invia.fr

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