forked from OSchip/llvm-project
30 lines
843 B
C++
30 lines
843 B
C++
// RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %t-so.so
|
|
// RUN: %clangxx_cfi_dso %s -o %t %t-so.so && %expect_crash %t 2>&1 | FileCheck %s
|
|
|
|
// RUN: %clangxx_cfi_dso_diag -g -DSHARED_LIB %s -fPIC -shared -o %t2-so.so
|
|
// RUN: %clangxx_cfi_dso_diag -g %s -o %t2 %t2-so.so && %t2 2>&1 | FileCheck %s --check-prefix=CFI-DIAG
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef SHARED_LIB
|
|
void f() {
|
|
}
|
|
#else
|
|
void f();
|
|
int main() {
|
|
// CHECK-DIAG: =1=
|
|
// CHECK: =1=
|
|
fprintf(stderr, "=1=\n");
|
|
((void (*)(void))f)();
|
|
// CHECK-DIAG: =2=
|
|
// CHECK: =2=
|
|
fprintf(stderr, "=2=\n");
|
|
// CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call
|
|
// CFI-DIAG-NEXT: note: f() defined here
|
|
((void (*)(int))f)(42); // UB here
|
|
// CHECK-DIAG: =3=
|
|
// CHECK-NOT: =3=
|
|
fprintf(stderr, "=3=\n");
|
|
}
|
|
#endif
|