Can gdb be used to backtrace when exceptions are caught?

Question

I have just started using c++ exceptions and want to get it right. What I have in mind is to generate some sort of backtrace information when exceptions are caught. Initially I

Answer 1

This this:

http://sourceware.org/gdb/onlinedocs/gdb/Set-Catchpoints.html

You can use catchpoints to cause the debugger to stop for certain kinds of program events, such as C++ exceptions or the loading of a shared library. Use the catch command to set a catchpoint.

So the answer should be "yes", and it should avoid the problems with the two links you cited.

Please post back if it helped! Personally, I've never tried this GDB feature myself :)

Answer 2

Summary of answers from the comments:

1st Method (by paulsm4). Set a catchpoint via catch throw for catching on throw or catch catch for catching on catch! Then call backtrace

2nd Method (by aschepler) Set a breakpoint on __cxa_throw and then backtrace

3rd Method (in Qt Creator -- if you happen to use) You can easily set a breakpoint on throw or catch!

Using Qt Creator debugger, it seems that setting a breakpoint on __cxa_begin_catch is also an equivalent to catch catch