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I am writing gdb command scripts to simplify the debugging. One of the problems I have
is that I am setting a breakpoint, and I want to disable it afterwards, and only enable it after another breakpoint is hit.
What I want to do is this
$my_break_number = break SomeFile.cpp:231
disable $my_break_number
but unfortunately gdb doesn’t work this way. I have read the manual, but I cannot find any information on how to do this. Hopefully there is some information I have missed.
gdb will automatically set a convenience variable $bpnum with the last set breakpoint number.
You can possibly use that after setting a breakpoint to disable it (I haven’t tested when a breakpoint is ambiguous and creates multiple breakpoints, I think it will work and disable all breakpoint locations created.)
see: http://sourceware.org/gdb/current/onlinedocs/gdb/Set-Breaks.html#Set-Breaks
if you need to use the breakpoint number from commands, that is probably not what you want, but it works for the question as specified.