Oct 15, 2014 · In short, the following commands are all you need to get started using gdb: break file:lineno - sets a breakpoint in the file at lineno. set args - sets the command line arguments. run - executes the debugged program with the given command line arguments. next (n) and step (s) - step program and step program until it reaches a different source ...

gdb -ex run --args ./a.out arg1 arg2 ... EDIT: Orion says this doesn't work on Mac OSX. The -ex flag has been available since GDB-6.4 (released in 2005), but OSX uses Apple's fork of GDB, and the latest XCode for Leopard contains GDB 6.3.50 …

You can run gdb with --args parameter: gdb --args executablename arg1 arg2 arg3 If you are doing this often (e.g. when running GDB from a script), you might want to consider the following arguments to automate things further. First, you can place your GDB commands (such as 'run') in a text file and provide the filename to the -x argument.

Feb 25, 2011 · gdb program begin debugging program. gdb program core debug coredump core produced by program. gdb --help describe command line options. First of all, find the directory where the corefile is generated. Then use ls -ltr command in the directory to find the latest generated corefile. To load the corefile use. gdb binary path of corefile

In the Terminal, I have: myapp < myfileinput But if I want to use gdb, gdb myapp < myfileinput It didn't run correctly.

Sep 16, 2011 · Attaching gdb stops the process which you are tracing so you will need to issue a "continue" to restart it. I don't know a direct way to get gdb to run arbitrary commands when the program crashes. Here is one workaround I can think of: Create and register a signal handlers for SIGSEGV. Tell gdb not to stop on that signal (handle SIGSEGV nostop)

Sep 14, 2011 · The test_gdb.py script also gives the pointer that you can "... run "python -c'id(DATA)'" under gdb with a breakpoint on builtin_id"; for testing this, I have posted a bash script, gdb_py_so_test.sh, which creates an executable with a counting thread function, and both plain distutils and swig modules (in both debug and release versions) that ...

This you can run with either of: gdb -x test.py gdb -x=test.py gdb --command test.py gdb --command=test.py gdb -command test.py gdb -command=test.py ... which seem to be equivalent, as the result for any of these is the same printout, before gdb is instructed to exit by the script: $ gdb -x=test.py GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.3) 7.7.1 ...

Apr 7, 2017 · You can also run your program first, then attach GDB to it: gdb --pid $(pgrep your_program) This way you will be able to run your program interactively in a separate terminal. Note: attaching GDB to another process might require using sudo or changing permissions.

When you're doing a usual gdb session on an executable file on the same computer, you can give the run command and it will start the program over again. When you're running gdb on an embedded system, as with the command target localhost:3210, how do you start the program over again without quitting and restarting your gdb session?