How do I use watchpoints in GDB?
An example of an AI chatbot conversation about using watchpoints in GDB for debugging.
How do I use watchpoints in GDB?
Watchpoints in GDB allow you to stop execution when a specific variable changes. You can set a watchpoint using the command watch variable_name.
Can I set a watchpoint on a specific memory address?
Yes, you can set a watchpoint on a memory address using the command watch *address. Just replace address with the actual memory address.
What happens if the variable is optimized away?
If a variable is optimized away, GDB may not be able to set a watchpoint on it. You can try compiling with -O0 to disable optimizations.
Are there any limitations to using watchpoints?
Yes, watchpoints can slow down your program significantly, especially if they are hit frequently. Also, there are limits on the number of watchpoints you can set.
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