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Time travel debugging or time traveling debugging is the process of stepping back in time through source code to understand what is happening during execution of a computer program. [1] Typically, debugging and debuggers , tools that assist a user with the process of debugging, allow users to pause the execution of running software and inspect ...
Record and replay debugging is the process of recording the execution of a software program so that it may be played back within a debugger to help diagnose and resolve defects. [1] The concept is analogous to the use of a flight data recorder to diagnose the cause of an airplane flight malfunction.
Winpdb debugging itself. A debugger is a computer program used to test and debug other programs (the "target" programs). Common features of debuggers include the ability to run or halt the target program using breakpoints, step through code line by line, and display or modify the contents of memory, CPU registers, and stack frames.
Anti-debugging is "the implementation of one or more techniques within computer code that hinders attempts at reverse engineering or debugging a target process". [23] It is actively used by recognized publishers in copy-protection schemas, but is also used by malware to complicate its detection and elimination. [ 24 ]
In computing, rr is a debugging tool for Linux designed to record and replay program execution. During the replay phase, rr provides an enhanced gdb debugging experience that supports reverse execution. [1] rr was originally developed by Mozilla to debug Mozilla Firefox on commodity hardware and software.
The Tupolev Tu-4, a Soviet bomber built by reverse engineering captured Boeing B-29 Superfortresses. Reverse engineering (also known as backwards engineering or back engineering) is a process or method through which one attempts to understand through deductive reasoning how a previously made device, process, system, or piece of software accomplishes a task with very little (if any) insight ...
OllyDbg is often used for reverse engineering of programs. [9] It is often used by crackers to crack software made by other developers. For cracking and reverse engineering, it is often the primary tool because of its ease of use and availability; any 32-bit executable can be used by the debugger and edited in bitcode/assembly in realtime. [10]
Simics has the ability to execute a system in forward and reverse direction. [7] Reverse debugging can illuminate how an exceptional condition or bug occurred. When executing an OS such as Linux in reverse using Simics, previously deleted files reappear when the deletion point is passed in reverse and scrolling and other graphical display and ...