1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // TODO: Investigate
10 // XFAIL: msvc
11
12 // Test that we encode the hardening mode in an ABI tag to avoid ODR violations
13 // when linking TUs that have different values for it.
14
15 // Note that GCC doesn't support `-Wno-macro-redefined`.
16 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU1 -U_LIBCPP_HARDENING_MODE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST -o %t.tu1.o
17 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU2 -U_LIBCPP_HARDENING_MODE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -o %t.tu2.o
18 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU3 -U_LIBCPP_HARDENING_MODE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -o %t.tu3.o
19 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DTU4 -U_LIBCPP_HARDENING_MODE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -o %t.tu4.o
20 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -DMAIN -o %t.main.o
21 // RUN: %{cxx} %t.tu1.o %t.tu2.o %t.tu3.o %t.tu4.o %t.main.o %{flags} %{link_flags} -o %t.exe
22 // RUN: %{exec} %t.exe
23
24 // fast hardening mode
25 #ifdef TU1
26 # include <__config>
f()27 _LIBCPP_HIDE_FROM_ABI inline int f() { return 1; }
tu1()28 int tu1() { return f(); }
29 #endif // TU1
30
31 // extensive hardening mode
32 #ifdef TU2
33 # include <__config>
f()34 _LIBCPP_HIDE_FROM_ABI inline int f() { return 2; }
tu2()35 int tu2() { return f(); }
36 #endif // TU2
37
38 // debug hardening mode
39 #ifdef TU3
40 # include <__config>
f()41 _LIBCPP_HIDE_FROM_ABI inline int f() { return 3; }
tu3()42 int tu3() { return f(); }
43 #endif // TU3
44
45 // No hardening
46 #ifdef TU4
47 # include <__config>
f()48 _LIBCPP_HIDE_FROM_ABI inline int f() { return 4; }
tu4()49 int tu4() { return f(); }
50 #endif // TU4
51
52 #ifdef MAIN
53 # include <cassert>
54
55 int tu1();
56 int tu2();
57 int tu3();
58 int tu4();
59
main(int,char **)60 int main(int, char**) {
61 assert(tu1() == 1);
62 assert(tu2() == 2);
63 assert(tu3() == 3);
64 assert(tu4() == 4);
65 return 0;
66 }
67 #endif // MAIN
68