September 2008
Intermediate to advanced
280 pages
6h 31m
English
Content preview from The Art of Debugging with GDB, DDD, and Eclipse
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Watchpoints
A watchpoint is a special kind of breakpoint which, like a normal breakpoint, is an instruction that tells GDB to pause execution of your program. The difference is that watchpoints don't "live" at a line of source code. Instead, a watchpoint is an instruction that tells GDB to pause execution whenever an expression changes value.[11] That expression can be quite simple, like the name of a variable:
(gdb) watch i
which will make GDB pause whenever i changes value. The expression can also be quite complex:
(gdb) watch (i | j > 12) && i > 24 && strlen(name) > 6
You can think of a watchpoint as being "attached" to an expression; when the value of that expression changes, GDB will pause the program's execution.
Although watchpoints ...
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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.
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