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// RUN: %clangxx_cfi -c -DTU1 -o %t1.o %s
// RUN: %clangxx_cfi -c -DTU2 -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx_cfi -o %t1 %t1.o %t2.o
// RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -c -DTU1 -DB32 -o %t1.o %s
// RUN: %clangxx_cfi -c -DTU2 -DB32 -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx_cfi -o %t2 %t1.o %t2.o
// RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -c -DTU1 -DB64 -o %t1.o %s
// RUN: %clangxx_cfi -c -DTU2 -DB64 -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx_cfi -o %t3 %t1.o %t2.o
// RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -c -DTU1 -DBM -o %t1.o %s
// RUN: %clangxx_cfi -c -DTU2 -DBM -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx_cfi -o %t4 %t1.o %t2.o
// RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx -c -DTU1 -o %t1.o %s
// RUN: %clangxx -c -DTU2 -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx -o %t5 %t1.o %t2.o
// RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
// RUN: %clangxx_cfi_diag -c -DTU1 -o %t1.o %s
// RUN: %clangxx_cfi_diag -c -DTU2 -o %t2.o %S/../cfi/anon-namespace.cpp
// RUN: %clangxx_cfi_diag -o %t6 %t1.o %t2.o
// RUN: %run %t6 2>&1 | FileCheck --check-prefix=CFI-DIAG %s
// Tests that the CFI mechanism treats classes in the anonymous namespace in
// different translation units as having distinct identities. This is done by
// compiling two translation units TU1 and TU2 containing a class named B in an
// anonymous namespace, and testing that the program crashes if TU2 attempts to
// use a TU1 B as a TU2 B.
// FIXME: This test should not require that the paths supplied to the compiler
// are different. It currently does so because bitset names have global scope
// so we have to mangle the file path into the bitset name.
// REQUIRES: cxxabi
#include <stdio.h>
#include "utils.h"
struct A {
virtual void f() = 0;
};
namespace {
struct B : A {
virtual void f() {}
};
}
A *mkb();
#ifdef TU1
A *mkb() {
return new B;
}
#endif // TU1
#ifdef TU2
int main() {
create_derivers<B>();
A *a = mkb();
break_optimization(a);
// CFI: 1
// NCFI: 1
fprintf(stderr, "1\n");
// CFI-DIAG: runtime error: control flow integrity check for type '(anonymous namespace)::B' failed during base-to-derived cast
// CFI-DIAG-NEXT: note: vtable is of type '{{.*}}anonymous namespace{{.*}}::B'
// CFI-DIAG: runtime error: control flow integrity check for type '(anonymous namespace)::B' failed during virtual call
// CFI-DIAG-NEXT: note: vtable is of type '{{.*}}anonymous namespace{{.*}}::B'
((B *)a)->f(); // UB here
// CFI-NOT: {{^2$}}
// NCFI: {{^2$}}
fprintf(stderr, "2\n");
}
#endif // TU2
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