Re: [ns] how to use debugger

[Sudhindra Suresh Bengeri <ssbenger@unity.ncsu.edu>]

Hi,

To debug TCL scripts you need to install tcl-debugger. You will find the
src code from the ns homepage.

Regards,
Sudhin.

On Thu, 1 Jun 2000, Minehiko Iida wrote:

> Hi, all!
> 
> I'd like to trace ns source code with a script (for example, 
> /foo/bar/ns/ns-2.1b6/tcl/lib/simple.tcl). I tried to trace with
> debugger "gdb", but I couldn't. gdb is suspended like this:
> 
> ------------------------------------------------------------------------
> Current directory is /foo/bar/ns/ns-2.1b6/tcl/ex/
> GNU gdb 4.18
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-unknown-freebsd"...
> (gdb) l
> 51	 *	Whatever the application does.
> 52	 *
> 53	 *----------------------------------------------------------------------
> 54	 */
> 55	
> 56	int
> 57	main(int argc, char **argv)
> 58	{
> 59	    Tcl_Main(argc, argv, 
> 60		     Tcl_AppInit);
> (gdb) b 59
> Breakpoint 1 at 0x804aed6: file tclAppInit.cc, line 59.
> (gdb) run
> Starting program: /usr/local/ns/bin/ns 
> 
> Breakpoint 1, main (argc=1, argv=0xbfbffa1c) at tclAppInit.cc:60
> (gdb) s
> 0x8141940 in Tcl_Main () at gen/ptypes.cc:112
> (gdb) s
> %
> ---------------------------------------------------------------------
> I located the line "debug 1" at appropriate place, but did not work well.
> 
> Because I couldn't understand the way of debugging only by reading 
> ns manual, please tell me the way in detail.
> ----
> Minehiko Iida <s5007@cs.inf.shizuoka.ac.jp>
> 
> 

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