1 //===-- main.c --------------------------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #include <stdio.h>
10
11 // This simple program is to demonstrate the capability of the lldb command
12 // "breakpoint command add" to add a set of commands to a breakpoint to be
13 // executed when the breakpoint is hit.
14 //
15 // In particular, we want to break within c(), but only if the immediate caller
16 // is a().
17
18 int a(int);
19 int b(int);
20 int c(int);
21
a(int val)22 int a(int val)
23 {
24 if (val <= 1)
25 return b(val);
26 else if (val >= 3)
27 return c(val); // Find the line number where c's parent frame is a here.
28
29 return val;
30 }
31
b(int val)32 int b(int val)
33 {
34 return c(val);
35 }
36
c(int val)37 int c(int val)
38 {
39 return val + 3;
40 }
41
main(int argc,char const * argv[])42 int main (int argc, char const *argv[])
43 {
44 int A1 = a(1); // a(1) -> b(1) -> c(1)
45 printf("a(1) returns %d\n", A1);
46
47 int B2 = b(2); // b(2) -> c(2)
48 printf("b(2) returns %d\n", B2);
49
50 int A3 = a(3); // a(3) -> c(3)
51 printf("a(3) returns %d\n", A3);
52
53 return 0;
54 }
55