Programming Forums > Application Development > C++

anandt4u · Apr 7th, 2005, 1:02 PM

Hi,
I have an exe file and the source code for the file (too big). Now i want to know the exact sequence of function calls that occur when i do some processing. Do you have some program for that.

I have both the windows and unix version of the source code and executable file..plz do help me out

Ooble · Apr 7th, 2005, 1:11 PM

Write up a trace table - it's not hard.

anandt4u · Apr 7th, 2005, 1:17 PM

oops i am really new to this stuff...can you tell me how to write that trace table..do mean i should put some "printf statements" in the code???

Ooble · Apr 7th, 2005, 1:35 PM

Get a pen and paper, and every time it changes function, write it down in a table, along with the values of any variables that might be important. For example:

(Toggle Plain Text)

 Current Function   |  x   |  y   |  z
                    |      |      |
--------------------+------+------+------
  main              |  0   |  1   | 134
  funcA             |  0   |  2   |  45
  funcB             |  0   |  3   |  98
  main              |  1   |  4   |  31
  funcA             |  1   |  5   | 924

codetaino · Apr 7th, 2005, 1:42 PM

Do that execution sequence, depends on a user interaction?

Ooble · Apr 7th, 2005, 1:54 PM

There's a point. If it does, you can write a debug(int x, char *y, bool z) function which you call every step of the way, that prints the trace table.

anandt4u · Apr 7th, 2005, 2:03 PM

Quote:

Originally Posted by codetaino

Do that execution sequence, depends on a user interaction?

yes..

its a big open source software and i am trying to understand the execution of the code.. there is no proper documentation as well

just consider..suppose you want to change the linux code..tell me how to understand the code??

Ooble · Apr 7th, 2005, 2:05 PM

With a great deal of experience, and a quick mind.

Cerulean · Apr 7th, 2005, 2:12 PM

Quote:

just consider..suppose you want to change the linux code..tell me how to understand the code??

You're serious? You want to hack the kernel? Well I don't know... take a few weeks off work, buy yourself a few weeks worth of consumable goods (preferably those high in sugar), start from the entry point (int main) and get reading.

Benoit · Apr 7th, 2005, 3:09 PM

I'm sure the kernel is well documented

Apr 7th, 2005, 1:02 PM	#1
anandt4u Newbie Join Date: Feb 2005 Posts: 22 Rep Power: 0	Help - Execution Sequence Hi, I have an exe file and the source code for the file (too big). Now i want to know the exact sequence of function calls that occur when i do some processing. Do you have some program for that. I have both the windows and unix version of the source code and executable file..plz do help me out

Apr 7th, 2005, 1:11 PM	#2
Ooble I eat cake for breakfast. Join Date: Jul 2004 Location: In my box. Posts: 4,434 Rep Power: 9	Write up a trace table - it's not hard. __________________ Me :: You :: Them

Apr 7th, 2005, 1:35 PM	#4
Ooble I eat cake for breakfast. Join Date: Jul 2004 Location: In my box. Posts: 4,434 Rep Power: 9	Get a pen and paper, and every time it changes function, write it down in a table, along with the values of any variables that might be important. For example: (Toggle Plain Text) Current Function \| x \| y \| z \| \| \| --------------------+------+------+------ main \| 0 \| 1 \| 134 funcA \| 0 \| 2 \| 45 funcB \| 0 \| 3 \| 98 main \| 1 \| 4 \| 31 funcA \| 1 \| 5 \| 924 Current Function \| x \| y \| z \| \| \| --------------------+------+------+------ main \| 0 \| 1 \| 134 funcA \| 0 \| 2 \| 45 funcB \| 0 \| 3 \| 98 main \| 1 \| 4 \| 31 funcA \| 1 \| 5 \| 924 __________________ Me :: You :: Them

Apr 7th, 2005, 1:42 PM	#5
codetaino Programmer Join Date: Jan 2005 Location: Bayamon, Puerto Rico Posts: 71 Rep Power: 4	Do that execution sequence, depends on a user interaction? __________________ "God bless u all" :)

Apr 7th, 2005, 1:54 PM	#6
Ooble I eat cake for breakfast. Join Date: Jul 2004 Location: In my box. Posts: 4,434 Rep Power: 9	There's a point. If it does, you can write a debug(int x, char *y, bool z) function which you call every step of the way, that prints the trace table. __________________ Me :: You :: Them

Apr 7th, 2005, 1:17 PM	#3
anandt4u Newbie Join Date: Feb 2005 Posts: 22 Rep Power: 0	oops i am really new to this stuff...can you tell me how to write that trace table..do mean i should put some "printf statements" in the code???

Apr 7th, 2005, 2:05 PM	#8
Ooble I eat cake for breakfast. Join Date: Jul 2004 Location: In my box. Posts: 4,434 Rep Power: 9	With a great deal of experience, and a quick mind. __________________ Me :: You :: Them

Apr 7th, 2005, 3:09 PM	#10
Benoit Expert Programmer Join Date: Sep 2004 Location: Ontario, Canada Posts: 555 Rep Power: 5	I'm sure the kernel is well documented __________________ Johnny was a chemist's son but Johnny is no more, for what Johnny thought was H2O was H2SO4

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Programming Forums > Application Development > C++

Help - Execution Sequence