55 lines · c
1#include <stdio.h>2 3// This simple program is to demonstrate the capability of the lldb command4// "breakpoint modify -i <count> breakpt-id" to set the number of times a5// breakpoint is skipped before stopping. Ignore count can also be set upon6// breakpoint creation by 'breakpoint set ... -i <count>'.7 8int a(int);9int b(int);10int c(int);11 12int 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 22int b(int val)23{24 return c(val);25}26 27int c(int val)28{29 return val + 3; // Find the line number of function "c" here.30}31 32void 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 38int main (int argc, char const *argv[])39{40 int A1 = a(1); // a(1) -> b(1) -> c(1) // Stop here at start of main41 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