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(gdb.info)Altering


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Altering Execution
******************

   Once you think you have found an error in your program, you might
want to find out for certain whether correcting the apparent error
would lead to correct results in the rest of the run.  You can find the
answer by experiment, using the GDB features for altering execution of
the program.

   For example, you can store new values into variables or memory
locations, give your program a signal, restart it at a different
address, or even return prematurely from a function.

Assignment
Assignment to variables
Jumping
Continuing at a different address
Signaling
Giving your program a signal
Returning
Returning from a function
Calling
Calling your program's functions
Patching
Patching your program

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