| 1 | // RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so |
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| 2 | // RUN: %clangxx_cfi_dso %s -o %t %ld_flags_rpath_exe && %expect_crash %t 2>&1 | FileCheck %s |
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| 3 | |
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| 4 | // RUN: %clangxx_cfi_dso_diag -g -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so |
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| 5 | // RUN: %clangxx_cfi_dso_diag -g %s -o %t %ld_flags_rpath_exe && %t 2>&1 | FileCheck %s --check-prefix=CFI-DIAG |
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| 6 | |
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| 7 | #include <stdio.h> |
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| 8 | |
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| 9 | #ifdef SHARED_LIB |
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| 10 | void f() { |
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| 11 | } |
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| 12 | #else |
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| 13 | void f(); |
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| 14 | int main() { |
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| 15 | // CHECK-DIAG: =1= |
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| 16 | // CHECK: =1= |
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| 17 | fprintf(stderr, format: "=1=\n" ); |
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| 18 | ((void (*)(void))f)(); |
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| 19 | // CHECK-DIAG: =2= |
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| 20 | // CHECK: =2= |
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| 21 | fprintf(stderr, format: "=2=\n" ); |
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| 22 | // CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call |
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| 23 | // CFI-DIAG-NEXT: note: f() defined here |
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| 24 | ((void (*)(int))f)(42); // UB here |
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| 25 | // CHECK-DIAG: =3= |
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| 26 | // CHECK-NOT: =3= |
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| 27 | fprintf(stderr, format: "=3=\n" ); |
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| 28 | } |
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| 29 | #endif |
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| 30 | |
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