1 #include <stdio.h>
2
3 // This simple program is to demonstrate the capability of the lldb command
4 // "breakpoint modify -i <count> breakpt-id" to set the number of times a
5 // breakpoint is skipped before stopping. Ignore count can also be set upon
6 // breakpoint creation by 'breakpoint set ... -i <count>'.
7
8 int a(int);
9 int b(int);
10 int c(int);
11
a(int val)12 int a(int val)
13 {
14 if (val <= 1)
15 return b(val);
16 else if (val >= 3)
17 return c(val); // a(3) -> c(3) Find the call site of c(3).
18
19 return val;
20 }
21
b(int val)22 int b(int val)
23 {
24 return c(val);
25 }
26
c(int val)27 int c(int val)
28 {
29 return val + 3; // Find the line number of function "c" here.
30 }
31
spin_a_bit()32 void spin_a_bit () {
33 for (unsigned int i = 0; i < 10; i++) {
34 printf("Set a breakpoint here, with i = %d.\n", i);
35 }
36 }
37
main(int argc,char const * argv[])38 int main (int argc, char const *argv[])
39 {
40 int A1 = a(1); // a(1) -> b(1) -> c(1) // Stop here at start of main
41 printf("a(1) returns %d\n", A1);
42
43 int B2 = b(2); // b(2) -> c(2) Find the call site of b(2).
44 printf("b(2) returns %d\n", B2);
45
46 int A3 = a(3); // a(3) -> c(3) Find the call site of a(3).
47 printf("a(3) returns %d\n", A3);
48
49 int C1 = c(5); // Find the call site of c in main.
50 printf ("c(5) returns %d\n", C1);
51
52 spin_a_bit();
53 return 0;
54 }
55