1 //===-- main.c --------------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 #include <stdio.h>
9 
10 // This simple program is to test the lldb Python API SBTarget.
11 //
12 // When stopped on breakppint 1, and then 2, we can get the line entries using
13 // SBFrame API SBFrame.GetLineEntry().  We'll get the start addresses for the
14 // two line entries; with the start address (of SBAddress type), we can then
15 // resolve the symbol context using the SBTarget API
16 // SBTarget.ResolveSymbolContextForAddress().
17 //
18 // The two symbol context should point to the same symbol, i.e., 'a' function.
19 
20 char my_global_var_of_char_type = 'X'; // Test SBTarget.FindGlobalVariables(...).
21 
22 int a(int);
23 int b(int);
24 int c(int);
25 
26 int a(int val)
27 {
28     if (val <= 1) // Find the line number for breakpoint 1 here.
29         val = b(val);
30     else if (val >= 3)
31         val = c(val);
32 
33     return val; // Find the line number for breakpoint 2 here.
34 }
35 
36 int b(int val)
37 {
38     return c(val);
39 }
40 
41 int c(int val)
42 {
43     return val + 3;
44 }
45 
46 int main (int argc, char const *argv[])
47 {
48     // Set a break at entry to main.
49     int A1 = a(1);  // a(1) -> b(1) -> c(1)
50     printf("a(1) returns %d\n", A1);
51 
52     int B2 = b(2);  // b(2) -> c(2)
53     printf("b(2) returns %d\n", B2);
54 
55     int A3 = a(3);  // a(3) -> c(3)
56     printf("a(3) returns %d\n", A3);
57 
58     return 0;
59 }
60