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Commit | Line | Data |
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3157f602 XL |
1 | // RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %t-so.so |
2 | // RUN: %clangxx_cfi_dso %s -o %t %t-so.so && %expect_crash %t 2>&1 | FileCheck %s | |
3 | ||
5bcae85e SL |
4 | // RUN: %clangxx_cfi_dso_diag -g -DSHARED_LIB %s -fPIC -shared -o %t2-so.so |
5 | // RUN: %clangxx_cfi_dso_diag -g %s -o %t2 %t2-so.so && %t2 2>&1 | FileCheck %s --check-prefix=CFI-DIAG | |
6 | ||
3157f602 XL |
7 | #include <stdio.h> |
8 | ||
9 | #ifdef SHARED_LIB | |
10 | void f() { | |
11 | } | |
12 | #else | |
13 | void f(); | |
14 | int main() { | |
5bcae85e | 15 | // CHECK-DIAG: =1= |
3157f602 XL |
16 | // CHECK: =1= |
17 | fprintf(stderr, "=1=\n"); | |
18 | ((void (*)(void))f)(); | |
5bcae85e | 19 | // CHECK-DIAG: =2= |
3157f602 XL |
20 | // CHECK: =2= |
21 | fprintf(stderr, "=2=\n"); | |
5bcae85e SL |
22 | // CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call |
23 | // CFI-DIAG-NEXT: note: f() defined here | |
3157f602 | 24 | ((void (*)(int))f)(42); // UB here |
5bcae85e | 25 | // CHECK-DIAG: =3= |
3157f602 XL |
26 | // CHECK-NOT: =3= |
27 | fprintf(stderr, "=3=\n"); | |
28 | } | |
29 | #endif |