Can a bash script access information from a C executable it takes as parameter?

Question

To be more concrete, I have a C executable and I want to know in my bash script the execution time of a function from that C. I also want to know if I can find out what is the value of a certain variable from that file .

PS: I don't want to output on the console the things I need from the C file and then to read that output in the script

matz · Accepted Answer · 2015-11-25 20:10:57Z

1

Short answer is no.

Longer answer is no, but have a look at profilers to measure the execution time of a program (e.g. gprof) and debuggers to inspect value of variables during runtime (e.g. gdb).

answered Nov 25, 2015 at 20:10

matz

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vanka Over a year ago

Is there any way to find out when a function starts executing and when it stops? I want to find that timestamp obeying the restriction of not modifying the c source and only using the info I can get from the executable. I tried looking for this in gdb and gprof related articles, but i didn't found anything specific.

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