1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "gtest/gtest.h"
18
19 #include "berberis/base/bit_util.h"
20 #include "berberis/guest_abi/function_wrappers.h"
21 #include "berberis/guest_state/guest_state.h"
22 #include "berberis/runtime_primitives/host_function_wrapper_impl.h"
23
24 namespace berberis {
25
26 namespace {
27
TEST(TrampolineFuncGenerator,IntRes)28 TEST(TrampolineFuncGenerator, IntRes) {
29 struct Callee {
30 static int foo() { return 1; }
31 };
32
33 TrampolineFunc func = GetTrampolineFunc<int(void)>();
34
35 ProcessState state{};
36
37 func(reinterpret_cast<void*>(Callee::foo), &state);
38
39 EXPECT_EQ(1u, state.cpu.r[0]);
40 }
41
TEST(TrampolineFuncGenerator,FloatArgs)42 TEST(TrampolineFuncGenerator, FloatArgs) {
43 struct Callee {
44 static void foo(void* p, float x, float y) {
45 EXPECT_EQ(nullptr, p);
46 EXPECT_EQ(0.5f, x);
47 EXPECT_EQ(0.75f, y);
48 }
49 };
50
51 TrampolineFunc func = GetTrampolineFunc<void(void*, float, float)>();
52
53 ProcessState state{};
54
55 state.cpu.r[0] = 0u;
56 state.cpu.r[1] = bit_cast<uint32_t>(0.5f);
57 state.cpu.r[2] = bit_cast<uint32_t>(0.75f);
58
59 EXPECT_NO_FATAL_FAILURE(func(reinterpret_cast<void*>(Callee::foo), &state));
60 }
61
62 } // namespace
63
64 } // namespace berberis
65