blob: 6ce64713a6e2ce846ff092c0727c39a2cce73f1b (
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
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx_cfi_dso -g %s -o %t %ld_flags_rpath_exe
// RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi_dso -DB32 -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx_cfi_dso -DB32 %s -o %t %ld_flags_rpath_exe
// RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi_dso -DB64 -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx_cfi_dso -DB64 %s -o %t %ld_flags_rpath_exe
// RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi_dso -DBM -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx_cfi_dso -DBM %s -o %t %ld_flags_rpath_exe
// RUN: %t 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx -DBM -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx -DBM %s -o %t %ld_flags_rpath_exe
// RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s
// RUN: %t x 2>&1 | FileCheck --check-prefix=NCFI %s
// Tests that the CFI mechanism crashes the program when making a virtual call
// to an object of the wrong class but with a compatible vtable, by casting a
// pointer to such an object and attempting to make a call through it.
// REQUIRES: cxxabi
#include <stdio.h>
#include <string.h>
struct A {
virtual void f();
};
A *create_B();
#ifdef SHARED_LIB
#include "../utils.h"
struct B : public A {
virtual void f();
};
void B::f() {}
A *create_B() {
create_derivers<B>();
return new B();
}
#else
void A::f() {}
int main(int argc, char *argv[]) {
A *a = create_B();
// CFI: =1=
// NCFI: =1=
fprintf(stderr, "=1=\n");
a->f(); // OK
// CFI: =2=
// NCFI: =2=
fprintf(stderr, "=2=\n");
}
#endif
|
