summaryrefslogtreecommitdiff
path: root/tests/basic_swbp.c
blob: 684f71d5e84af4345b06b8a597c7b82baa32b9ec (plain)
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
#include "cdl.h"

typedef int add_t(
    __in int x,
    __in int y
);

add_t* addo = NULL;

int add(
    __in int x,
    __in int y
)
{
    printf("Inside original function\n");
    return x + y;
}

int add_detour(
    __in int x,
    __in int y
)
{
    printf("Inside detour function\n");
    return addo(5,5);
}

int main(
    __in void
)
{
    struct cdl_swbp_patch swbp_patch = {};
    addo = (add_t*)add;

    printf("Before attach: \n");
    printf("add(1,1) = %i\n\n", add(1,1));

    swbp_patch = cdl_swbp_attach((void**)&addo, add_detour);
    if(swbp_patch.active)
    {
        printf("After attach: \n");
        printf("add(1,1) = %i\n\n", add(1,1));
        printf("== DEBUG INFO ==\n");
        cdl_swbp_dbg(&swbp_patch);
    }

    cdl_swbp_detach(&swbp_patch);
    printf("\nAfter detach: \n");
    printf("add(1,1) = %i\n\n", add(1,1));

    return 0;
}