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> |
27 | _LIBCPP_HIDE_FROM_ABI inline int f() { return 1; } |
28 | int tu1() { return f(); } |
29 | #endif // TU1 |
30 | |
31 | // extensive hardening mode |
32 | #ifdef TU2 |
33 | # include <__config> |
34 | _LIBCPP_HIDE_FROM_ABI inline int f() { return 2; } |
35 | int tu2() { return f(); } |
36 | #endif // TU2 |
37 | |
38 | // debug hardening mode |
39 | #ifdef TU3 |
40 | # include <__config> |
41 | _LIBCPP_HIDE_FROM_ABI inline int f() { return 3; } |
42 | int tu3() { return f(); } |
43 | #endif // TU3 |
44 | |
45 | // No hardening |
46 | #ifdef TU4 |
47 | # include <__config> |
48 | _LIBCPP_HIDE_FROM_ABI inline int f() { return 4; } |
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 | |
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 | |