1 /*
2 * Copyright (C) 2023 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/calling_conventions/calling_conventions_x86_32.h"
20
21 namespace berberis::x86_32 {
22
23 namespace {
24
TEST(CallingConventions_x86_32,Smoke)25 TEST(CallingConventions_x86_32, Smoke) {
26 CallingConventions conv;
27 ArgLocation loc;
28
29 loc = conv.GetNextArgLoc(1, 1);
30 EXPECT_EQ(kArgLocationStack, loc.kind);
31 EXPECT_EQ(0u, loc.offset);
32
33 loc = conv.GetNextArgLoc(2, 2);
34 EXPECT_EQ(kArgLocationStack, loc.kind);
35 EXPECT_EQ(4u, loc.offset);
36
37 loc = conv.GetNextArgLoc(8, 8);
38 EXPECT_EQ(kArgLocationStack, loc.kind);
39 EXPECT_EQ(8u, loc.offset);
40
41 loc = conv.GetNextArgLoc(4, 4);
42 EXPECT_EQ(kArgLocationStack, loc.kind);
43 EXPECT_EQ(16u, loc.offset);
44
45 loc = conv.GetNextArgLoc(1, 1);
46 EXPECT_EQ(kArgLocationStack, loc.kind);
47 EXPECT_EQ(20u, loc.offset);
48
49 loc = conv.GetNextArgLoc(8, 8);
50 EXPECT_EQ(kArgLocationStack, loc.kind);
51 EXPECT_EQ(24u, loc.offset);
52
53 loc = conv.GetNextArgLoc(4, 4);
54 EXPECT_EQ(kArgLocationStack, loc.kind);
55 EXPECT_EQ(32u, loc.offset);
56
57 loc = conv.GetNextArgLoc(8, 8);
58 EXPECT_EQ(kArgLocationStack, loc.kind);
59 EXPECT_EQ(40u, loc.offset);
60
61 loc = conv.GetNextArgLoc(4, 4);
62 EXPECT_EQ(kArgLocationStack, loc.kind);
63 EXPECT_EQ(48u, loc.offset);
64
65 loc = conv.GetIntResLoc(1);
66 EXPECT_EQ(kArgLocationIntOut, loc.kind);
67 EXPECT_EQ(0u, loc.offset);
68
69 loc = conv.GetFpResLoc(8);
70 EXPECT_EQ(kArgLocationFp, loc.kind);
71 EXPECT_EQ(0u, loc.offset);
72 }
73
74 } // namespace
75
76 } // namespace berberis::x86_32
77