Assignment 3 main.s (Attempting to access uninitialized memory between the stack and heap.)

[David]

SFU ID:  david_d...@sfu.ca

Github username: Dulatech

Github Link:  https://github.com/CMPT-295-SFU/assignment-3-Dulatech

Line and file: Unknown line, main.s

Expected behavior: main.s running successfully 

Observed behavior: Outputs: Attempting to access uninitialized memory between the stack and heap. Attempting to access '4' bytes at address '268470508'.

Question: My main.s is returning this error. I am not sure what I am doing wrong.

[ali sedaghati]

Please leave some comments on your code and put a screenshot of the error and command here.

[David]

I have added comments. The error seems to be occurring after my first matmul in main.s. 
Here is the screenshot of the command and console:

[ali sedaghati]

There are some problems with your code:
1. In line 123 of main.s you're using a1. But in your matmul.s you didn't follow the calling convention and you have changed the a1 value. So if you print s2, after line 123, it shows a wrong value. 
2. After fixing the first problem, double-check that you're not reaching out-of-bound elements in your relu.s.

Basically, inserting some int_print in your code would be helpful for finding the bugs of the code. I have inserted one after calling "matmul" and one inside relu.s, and the first one helped me to find out that s2 has a wrong value.

[David]

Thank you so much! I now see where I went wrong. I really appreciate the help, it solved the issue no problem. Have a good one!