[padb-users] Make "gdb set language c" for Fortran program to get correct value and offset of symbols.

[Jie Cai]

Hi Ashley,

This is the patch file to let gdb set language to c for Fortran program. 
It is created based on current svn head of padb.

It is attempt to solve problem with warning message as shown below:

========
Warning: errors reported by some ranks
========
[0]: Error message from 
/short/z00/jxc900/PADB/padb_build/libexec/minfo:     
setup_communicator_iterator() failed
[0]: Stderr from minfo:
WARNING: Field opal_list_next of type opal_list_item_t not found!
WARNING: Field opal_list_sentinel of type opal_list_t not found!
WARNING: Field fl_mpool of type ompi_free_list_t not found!
WARNING: Field fl_allocations of type ompi_free_list_t not found!


Kind Regards,
Jie

-- 
Jie Cai                         Jie.Cai at anu.edu.au
ANU Supercomputer Facility      NCI National Facility
Leonard Huxley, Mills Road      Ph:  +61 2 6125 7965
Australian National University  Fax: +61 2 6125 8199
Canberra, ACT 0200, Australia   http://nf.nci.org.au
-----------------------------------------------------


On 17/11/10 05:33, Ashley Pittman wrote:
> On 15 Nov 2010, at 23:00, Jie Cai wrote:
>    
>> Therefore, some gdb command like "-data-evaluate-expression "(void *)&((opal_list_item_t *)0)->opal_list_next"" failed because of "No symbol \"void\" in current context."
>>      
> This was added for some versions of gdb which reported differently for offsets of known types, initially I only saw this on Solaris but I have seen it on Linux as well.
>
> http://code.google.com/p/padb/source/detail?r=322
>
>    
>> We have made a little patch into it to fix this issue. Simple insert "-gdb-set language c" prior actually to "-data-evaluate-expression" will solve it.
>>      
> That sounds great, I'll look forward to seeing it.  The other option might be to move gdb up the stack to main so that the language is c anyway?
>
>    
>> We haven't got time to look into PBS issue yet. Once we have any information will let you updated.
>>      
> It's likely that the change will be possibly adding a process name to the list in is_resmgr_process() and or adding checks for a second environment variable in pbs_find_pids().
>
> Ashley,
>
>    
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