Attaching the Debugger to a Process at a Predictable Location

One method you can use to attach to a process at a predictable location is to add a looping function to your program that keeps executing until the debugger takes control and you interrupt it.

Example

Add code such as the following to your application:

volatile int endStallForDebugger=0;
  
void stallForDebugger()
{
        while (!endStallForDebugger) ;
}
  
int main()
{
        …
        stallForDebugger();
        …
}

Run this version of your program.
Attach the debugger to the running process.
Stop the program with Ctrl+C or by using $stoponattach.
Use the set variable debugger command to assign a non-zero value to the stallForDebugger variable, and continue executing the process, so that it exits from the loop. For example:
```
(idb) set variable endStallForDebugger = 1
(idb) # set any needed breakpoints, and so on
(idb) cont
```

Attaching the Debugger to a Process at a Predictable Location

Example

See Also