gdb: Altering
17 Altering Execution
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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.
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