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How can I examine the stack frame with GDB? - Stack Overflow 101 bt (or backtrace) will give you a call stack frame <args> will select a frame on the call stack for inspection info frame <args> will give you information about a specific frame from the stack When called without arguments it will display the currently selected frame info locals can give you information about any local variables on the stack
How do I get the backtrace for all the threads in GDB? Is there an equivalent command in GDB to that of WinDbg's !process 0 7? I want to extract all the threads in a dump file along with their backtraces in GDB info threads doesn't output the stack tr
How to interpret a GDB backtrace? - Stack Overflow Basically, the backtrace is trace of the calls that lead to the crash In this case: game::play called game::make_computer_move which called Checkers::make_move which called Space::setPosition which crashed in line 44 in file space h Taking a look at this backtrace, it looks like you passed -65 and -49 to Space::setPosition, which if they happen to be invalid coordinates (sure look suspicious
Determine the line of code that causes a segmentation fault? $ gdb a out (gdb) run <segfault happens here> (gdb) backtrace <offending code is shown here> Here is a nice tutorial to get you started with GDB Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code The given location is not necessarily where the problem resides
gdb - Core dump file analysis - Stack Overflow For a detailed backtrace use bt full To print the variables, use print variable-name or p variable-name To get any help on GDB, use the help option or use apropos search-topic Use frame frame-number to go to the desired frame number Use up n and down n commands to select frame n frames up and select frame n frames down respectively
c - GDB corrupted stack frame - How to debug? - Stack Overflow Incredibly helpful, thank you -- I had a stack that only went back three frames and then hit "Backtrace stopped: previous frame identical to this frame (corrupt stack?)"; I've done something exactly like this in code in a CPU exception handler before, but couldn't remember other than info symbol how to do this in gdb
GDB print to file instead of stdout - Stack Overflow Extending on @qubodup's answer gdb core 3599 -ex bt -ex quit | tee backtrace log the -ex switch runs a gdb command So the above loads the core file, runs bt command, then quit command Output is written to backtrace log and also on the screen Another useful gdb invocation (giving stacktrace with local variables from all threads) is gdb core 3599 -ex 'thread apply all bt full' -ex quit