February 2012
Intermediate to advanced
800 pages
23h 55m
English
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Modifying Execution with a Debugger
Debuggers can be used to change program execution. You can change the control flags, the instruction pointer, or the code itself to modify the way that a program executes.
For example, to avoid a function call, you could set a breakpoint where the function is called. When the breakpoint is hit, you could set the instruction pointer to the instruction after the call, thus preventing the call from taking place. If the function is particularly important, the program might not run properly when it is skipped or it might crash. If the function does not impact other areas of the program, the program might continue running without a problem.
You can also use a debugger to change the instruction pointer. For example, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.