From: Andrea Autiero S143785 (andrea.autiero_at_studenti.polito.it)
Date: Tue Feb 10 2009 - 01:45:21 PST
i've tryed it again but this is the answer:
andrea@chisone:~/Desktop/materiale_tesi> gcc -o new_static matrix.c -static
-L/usr/local/lib/ -lcr_run -u cr_run_link_me
/usr/local/lib//libcr_run.a(libcr_run_la-cr_run.o): In function `cri_init':
/home/andrea/Desktop/blcr-0.7.3/builddir/libcr/../../libcr/cr_libinit.c:148:
undefined reference to `dlopen'
/home/andrea/Desktop/blcr-0.7.3/builddir/libcr/../../libcr/cr_libinit.c:151:
undefined reference to `dlsym'
/home/andrea/Desktop/blcr-0.7.3/builddir/libcr/../../libcr/cr_libinit.c:152:
undefined reference to `dlclose'
collect2: ld returned 1 exit status
is a problem of my system??i'm not very skilled on linux..
thank you
Andrea
On Mon, 09 Feb 2009 14:23:34 -0800, "Paul H. Hargrove" <PHHargrove_at_lbl_dot_gov>
wrote:
> Andrea,
>
> Please reread the "Cautionary Linker Notes" in the BLCR User's Guide.
> I beleive you need a "-u cr_link_me" argument when building your
> application "static_2" with libcr.a. Note also that "-u cr_run_link_me
> -lcr_run" may be better than "-u cr_link_me -lcr" because libcr_run.a
> contains only the code that the cr_run utility would insert into a
> dynamically linked executable, while libcr.a contains additional code
> that is unnecessary for this basic usage.
>
> Continue to let us know if you need assistance.
>
> -Paul
>
> Andrea Autiero S143785 wrote:
>> all right..
>> i've compiled blcr with the following options:
>>
>> sudo ../configure --host=ppc-linux --prefix=/ppc_blcr/builddir/
>>
--with-system-map=/home/andrea/Desktop/programmi_per_tesi/linux-2.6.18/System.map
>> --with-linux=/home/andrea/Desktop/programmi_per_tesi/linux-2.6.18/
>> --enable-all-static --enable-static cross_signum=64
>> cross_stack_direction=-1
>>
>> make
>>
>> make install DESTDIR=/ppc_blcr/builddir
>>
>> then i've compiled my application:
>>
>> source /home/andrea/Desktop/programmi_per_tesi/eldk/eldk_init 4xx
>> ${CROSS_COMPILE}gcc -o static_2 matrix.c -static
>> -L/ppc/blcr_builddir/lib/
>> -lcr
>>
>> after that i've put file in ppc_blcr/builddir and my application in the
>> filesystem of my virtual ppc on simics
>>
>> it start and i initalize the library (trying launch cr_checkpoint --help
>> works!!)
>> then i launch
>>
>> ./static_2 &
>> ps
>> cr_checkpoint pid_of_static_2
>>
>> and i see on the screen:
>>
>> blcr: retry request on -CR_ENOSUPPORT
>> Checkpoint failed: support missing from application
>>
>> now what can i do??is it possible to make it work??
>> thank you
>> andrea autiero
>>
>> On Thu, 29 Jan 2009 10:57:56 -0800, "Paul H. Hargrove"
>> <PHHargrove_at_lbl_dot_gov>
>> wrote:
>>
>>> Andrea,
>>>
>>> As Karthik says, you will at least need to configure BLCR
>>> --enable-static to ensure static libraries are built (by default only
>>> shared libs are built). However, that alone is not sufficient because
>>> the "cr_run" utility only operates on dynamically linked executables.
>>> So, if "my_app" was compiled -static, "cr_run my_app" will not load the
>>> BLCR support into the application regardless of whether the static
>>> libraries have been built. For the case of a statically linked
>>> executable, one needs to link in BLCR support when the application is
>>> built, rather than at run time via "cr_run". Please see section "4.2
>>> Making an application checkpointable" in the BLCR Users Guide (in the
>>> doc/html directory of the BLCR distribution, or online at
>>> http://mantis.lbl.gov/blcr/doc/html/BLCR_Users_Guide.html ). You
>>> probably want option #2 in that section, and should read the
"Cautionary
>>>
>>> linker notes" at the end of that section. If you still have problems,
>>> please let us know and we'll try to help.
>>>
>>> -Paul
>>>
>>> Karthik Gopalakrishnan wrote:
>>>
>>>> Did you configure BLCR with "--enable-static"?
>>>>
>>>> On Thu, Jan 29, 2009 at 5:40 AM, Andrea Autiero S143785
>>>> <[email protected]> wrote:
>>>>
>>>>
>>>>> goodmorning
>>>>> i'm an italian student trying to run your library in one embedded
>>>>>
>> system
>>
>>>>> (by now is just virtual)
>>>>> i'm simuling one ebony board (ppc-4xx) whith 2.6.18 linux kernel on
it
>>>>> i've cross-compiled the library and it seems to work on the target
>>>>> system,
>>>>> but i cant launch any application
>>>>> linked with the lib
>>>>> i must compile the executable with gcc -static and i think i need
>>>>> libcr.a
>>>>> how i could have it??could you help me?
>>>>> running cr_run myapp & and then cr_checpoint doesn't work
>>>>> it says to me "missing support from application"
>>>>> hope to have one answer and thnak you
>>>>> Andrea Autiero
>>>>> Politecnico di Torino
>>>>>
>>>>>
>>>>>