Breaking into the debugger on iPhone

Question

For assert macros in my iPhone project, I\'m looking for a way to programmatically break into the debugger. On Windows (MSVC++), I can use __debugbreak() for this purpose. I

Answer 1

While an ancient thread, found this while researching same topic for Xcode 7. What solved this for me was a feature called "Create Exception Breakpoint..."

Debug > Breakpoints > Create Exception Breakpoint...

This puts a special breakpoint in the Breakpoint Navigator (under View > Navigators > Show Breakpoint Navigator).

This breaks on the actual throw of the exception:

[ exception raise ]

without terminating your code execution. You can just continue if that is how your code is structured.

Double-clicking the break point marker next to "All Exception" lets you adjust where and how the exception break point stops:

Answer 2

edit

Turns out this also works:

#define Debugger() { raise( SIGINT ) ; }

I think it's the same principle.

---

I use this:

#define Debugger() { kill( getpid(), SIGINT ) ; }

I think it works in the simulator and on the device.. no assembly required!