Integrated debugger Describes the command-line debugger you can use to find bugs in your programs. Understanding the debuggerThis is an introduction to the integrated debugger.Prerequisites to run the debuggerSome requirements are needed before running the integrated debugger.Starting fglrun in debug modeThe runtime system can be started in debug mode with the -d option.Attaching to a running programIt is possible to start the debugger for a program running on the same computer.Debugging on a mobile deviceIt is possible to remotely start the debugger for an app running on a mobile device.Stack frames in the debuggerThe stack frame contains information about function call stack.Setting a breakpoint programmaticallySet a breakpoint in the program source code with the BREAKPOINT instruction.Expressions in debugger commandsA limited expression syntax can be used in debugger commands.Debugger commandsThis topic lists all debugger commands.