Is there any equivalent in XCode for the command window in VisualStudio, in a way that lets me modify variables values while in debug mode (standing on a breakpoint), by evaluating expression, but not in read-only mode like the console.
Is there any?
The console is not read-only if you're referring to the gdb session. You can use the 'set' command to set the values of variables in gdb. Try 'help set variable' for more info.