File: main.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (80 lines) | stat: -rw-r--r-- 2,228 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
//===-- main.c --------------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <dlfcn.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include <libgen.h>
#include <stdlib.h>

int
main (int argc, char const *argv[])
{
#if defined (__APPLE__)
    const char *a_name = "@executable_path/libloadunload_a.dylib";
    const char *c_name = "@executable_path/libloadunload_c.dylib";
#else
    const char *a_name = "libloadunload_a.so";
    const char *c_name = "libloadunload_c.so";
#endif
    void *a_dylib_handle = NULL;
    void *c_dylib_handle = NULL;
    int (*a_function) (void);

    a_dylib_handle = dlopen (a_name, RTLD_NOW); // Set break point at this line for test_lldb_process_load_and_unload_commands().
    if (a_dylib_handle == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (1);
    }

    a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function");
    if (a_function == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (2);
    }
    printf ("First time around, got: %d\n", a_function ());
    dlclose (a_dylib_handle);

    c_dylib_handle = dlopen (c_name, RTLD_NOW);
    if (c_dylib_handle == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (3);
    }
    a_function = (int (*) ()) dlsym (c_dylib_handle, "c_function");
    if (a_function == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (4);
    }

    a_dylib_handle = dlopen (a_name, RTLD_NOW);
    if (a_dylib_handle == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (5);
    }

    a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function");
    if (a_function == NULL)
    {
        fprintf (stderr, "%s\n", dlerror());
        exit (6);
    }
    printf ("Second time around, got: %d\n", a_function ());
    dlclose (a_dylib_handle);

    int d_function(void);
    printf ("d_function returns: %d\n", d_function());

    return 0;
}