// finishTest.c - tiny standalone probe for mameDebug --finish. // Calls a helper that does just enough work for the polling-based // finish poller to install the return-PC bp before the helper returns. // Writes a marker at 0x025000 from main() (after the helper returns) // for additional verification. __attribute__((noinline)) so the // helper isn't inlined under -O2. static volatile int dummy = 0; __attribute__((noinline)) int helper(int n) { int i; for (i = 0; i < n; i++) { dummy += i; } return dummy; } int main(void) { int r = helper(2000); *(volatile unsigned int *)0x025000 = 0xC0DE; *(volatile unsigned int *)0x025002 = (unsigned int)r; while (1) { } return 0; }