KERNEL SYSTEM CALLS DEFINITIONS

KERNEL SYSTEM CALLS DEFINITIONS

[Sarita N]

Hello,
         I am a grad student at the university of nebraska lincoln.
I have to build a tool in C that would caputure the system calls and signals between a user application adn the operating system.  

I have started studying the Linux kernel.  Can I know how to go about it.  Where , in which Kernel file can I find the definitions of the various system calls - how have they been implemented in the kernel?

How do I go about the project?

Thanks and regards,
Sarita Navuluru. 

Re: KERNEL SYSTEM CALLS DEFINITIONS

[Robert Love]

On Sun, 2001-12-09 at 17:51, Sarita N wrote:

>          I am a grad student at the university of nebraska lincoln.
> I have to build a tool in C that would caputure the system calls and
> signals between a user application adn the operating system.

I sure hope this isn't a thesis topic ... see strace(1).

	Robert Love

Re: KERNEL SYSTEM CALLS DEFINITIONS

[mulix]

On 9 Dec 2001, Robert Love wrote:

> On Sun, 2001-12-09 at 17:51, Sarita N wrote:
>
> >          I am a grad student at the university of nebraska lincoln.
> > I have to build a tool in C that would caputure the system calls and
> > signals between a user application adn the operating system.
>
> I sure hope this isn't a thesis topic ... see strace(1).

see also syscalltrack (http://syscalltrack.sf.net) for a different
approach to the same task.
-- 
mulix

http://www.pointer.co.il/~mulix/
http://syscalltrack.sf.net/

Re: KERNEL SYSTEM CALLS DEFINITIONS

[Frank Cornelis]

> I have to build a tool in C that would caputure the system calls and 
> signals between a user application and the operating system.  

See 'man ptrace' for the ptrace system call which does it all for you.

Frank.

Re: KERNEL SYSTEM CALLS DEFINITIONS

[volodya]

On 9 Dec 2001, Sarita  N wrote:

> 
> Hello,
>          I am a grad student at the university of nebraska lincoln.
> I have to build a tool in C that would caputure the system calls and signals between a user application adn the operating system.  
> 
> I have started studying the Linux kernel.  Can I know how to go about it.  Where , in which Kernel file can I find the definitions of the various system calls - how have they been implemented in the kernel?
> 
> How do I go about the project?

a) look at strace
b) look at memtrace (probably simpler than strace to understand) 
   http://volodya-project.sf.net - memtrace is a part of
   "Preload" package.

                               Vladimir Dergachev

> 
> Thanks and regards,
> Sarita Navuluru. 
> 
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