Get hands-on with x86-64 YASM assembly in this in-depth tutorial on writing functions! Perfect for beginners and seasoned coders, we cover the basics of function creation, calling conventions, argument handling, and return values. Learn to avoid crashes, respect the ABI, and use prologue/epilogue for clean code. From printing messages to returning integers, see practical examples and tips to simplify your assembly programs. Subscribe for more low-level programming tutorials and take your skills to the next level!
Introduction to Functions 00:00:00
Makefile Overview 00:00:19
Assembly Program Setup 00:02:01
Data Section Definitions 00:02:08
Text Section and Entry Point 00:03:02
Basic Assembly Program Demo 00:03:38
Return Codes Explained 00:04:30
Function Concepts Introduced 00:06:10
Creating a Simple Function 00:07:04
Function Call vs Jump 00:08:00
Adding Return Statement 00:09:06
Moving Print Logic to Function 00:09:48
Benefits of Functions 00:10:01
Calling Function Multiple Times 00:11:58
Creating Print Function with Arguments 00:14:00
Handling Function Arguments 00:15:45
Respecting the ABI 00:17:16
Prologue and Epilogue 00:23:15
Stack Operations 00:24:34
Calling Print Function 00:25:25
Avoiding Recursive Loop 00:34:17
Modifying Print Function to Print Line 00:35:21
Adding CRLF Function 00:30:13
Printing Multiple Messages 00:37:00
Returning Integer Values 00:37:48
Preserving Registers in Entry Point 00:41:50
Final Program Demo 00:43:24
Conclusion and Call to Subscribe 00:45:16
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