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Full Discussion: function call in executable
Top Forums Programming function call in executable Post 96716 by rocky_74 on Monday 23rd of January 2006 05:54:05 AM
Old 01-23-2006
function call in executable
Hi,
I want to write a program in C or in Perl which will tell me that a function is called in which executables.
I tried to use the unix command like 'nm', 'strings' and so on to find out whether a function is called in that executable or not but could not able to find a clue. The whole object is dummed inside the executable and it does not specifiy me whether the function is really called or not.
The function is a seperate file with several other function. If either of the function is called from that object file then the whole object is dumped inside the executable which does not show whether the function in the object file is really called in the exe.

ex : file test1.c has function test1(), test2() and test3() which will only create object test1.o
there is 3 executable exe1 , exe2 and exe3
exe1 is calling test1() which means test1.o will be dummped whole.
exe2 is calling test2() which means test1.o will be also dumped here
exe3 is calling test3() which means test1.o will be also dumped here

i need to know in which exe test2() is really called which means only exe2 should come in the result.
Please give me some hint since i need the answer as soon as possible.

Thanks.
Last edited by rocky_74; 01-23-2006 at 09:10 AM..
 

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LEARN ABOUT CENTOS

cgexec

CGEXEC(1)							 libcgroup Manual							 CGEXEC(1)

NAME

       cgexec - run the task in given control groups

SYNOPSIS

       cgexec [-h] [-g <controllers>:<path>] [--sticky] command [arguments]

DESCRIPTION

       The cgexec program executes the task command with arguments arguments in the given control groups.

       -g <controllers>:<path>
	      defines  the  control  groups  in which the task will be run.  controllers is a list of controllers and path is the relative path to
	      control groups in the given controllers list.

	      This flag can be used multiple times to define multiple pairs of lists of controllers and relative paths.  Instead of  the  list	of
	      all mounted controllers, the wildcard b"*b" can be used.

	      If this option is not used, cgexec will automatically place the task in the right cgroup based on /etc/cgrules.conf.

	      If  /etc/cgrules.conf  configuration file is used, there can be used template names. Then the control group name contains a template
	      in destination tag (see cgrules.conf (5)) and if the cgroup does not exist in execution time, it is created,  based  on  /etc/cgcon-
	      fig.conf specification.  If the specifications are not present the group is created with the default kernel values.

       -h, --help
	      Display this help and exit.

       --sticky
	      If running the task command with this option, the daemon of service cgred (cgrulesengd process) does not change both the task of the
	      command and the child tasks. Without this option, the daemon does not change the task of the command but it changes the child  tasks
	      to the right cgroup based on /etc/cgrules.conf automatically.

EXAMPLES

       cgexec -g *:test1 ls
       runs command ls in control group test1 in all mounted controllers.

       cgexec -g cpu,memory:test1 ls -l
       runs command ls -l in control group test1 in controllers cpu and memory.

       cgexec -g cpu,memory:test1 -g swap:test2 ls -l
       runs command ls -l in control group test1 in controllers cpu and memory and control group test2 in controller swap.

ENVIRONMENT VARIABLES

       CGROUP_LOGLEVEL
	      controls verbosity of the tool. Allowed values are DEBUG, INFO, WARNING or ERROR.

FILES

       /etc/cgrules.conf
	      default libcgroup configuration file

SEE ALSO

       cgrules.conf (5)

Linux								    2009-03-15								 CGEXEC(1)
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