1 #include <stdio.h>
2 
3 // This simple program is to test the lldb Python API SBTarget.
4 //
5 // When stopped on breakpoint 1, and then 2, we can get the line entries using
6 // SBFrame API SBFrame.GetLineEntry().  We'll get the start addresses for the
7 // two line entries; with the start address (of SBAddress type), we can then
8 // resolve the symbol context using the SBTarget API
9 // SBTarget.ResolveSymbolContextForAddress().
10 //
11 // The two symbol context should point to the same symbol, i.e., 'a' function.
12 
13 char my_global_var_of_char_type = 'X'; // Test SBTarget.FindGlobalVariables(...).
14 
15 int a(int);
16 int b(int);
17 int c(int);
18 
19 int a(int val)
20 {
21     if (val <= 1) // Find the line number for breakpoint 1 here.
22         val = b(val);
23     else if (val >= 3)
24         val = c(val);
25 
26     return val; // Find the line number for breakpoint 2 here.
27 }
28 
29 int b(int val)
30 {
31     return c(val);
32 }
33 
34 int c(int val)
35 {
36     return val + 3;
37 }
38 
39 int main (int argc, char const *argv[], char** env)
40 {
41     // Set a break at entry to main.
42     int A1 = a(1);  // a(1) -> b(1) -> c(1)
43     printf("a(1) returns %d\n", A1);
44 
45     int B2 = b(2);  // b(2) -> c(2)
46     printf("b(2) returns %d\n", B2);
47 
48     int A3 = a(3);  // a(3) -> c(3)
49     printf("a(3) returns %d\n", A3);
50 
51     for (int i = 1; i < argc; i++) {
52       printf("arg: %s\n", argv[i]);
53     }
54 
55     while (*env)
56       printf("env: %s\n", *env++);
57 
58     return 0;
59 }
60