1 /*
2  * Copyright (C) 2017 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 "base/macros.h"
20 #include "linker_patch.h"
21 
22 namespace art HIDDEN {
23 namespace linker {
24 
TEST(LinkerPatch,LinkerPatchOperators)25 TEST(LinkerPatch, LinkerPatchOperators) {
26   const DexFile* dex_file1 = reinterpret_cast<const DexFile*>(1);
27   const DexFile* dex_file2 = reinterpret_cast<const DexFile*>(2);
28   LinkerPatch patches[] = {
29       LinkerPatch::IntrinsicReferencePatch(16u, 3000u, 1000u),
30       LinkerPatch::IntrinsicReferencePatch(16u, 3001u, 1000u),
31       LinkerPatch::IntrinsicReferencePatch(16u, 3000u, 1001u),
32       LinkerPatch::IntrinsicReferencePatch(16u, 3001u, 1001u),
33       LinkerPatch::RelativeMethodPatch(16u, dex_file1, 3000u, 1000u),
34       LinkerPatch::RelativeMethodPatch(16u, dex_file1, 3001u, 1000u),
35       LinkerPatch::RelativeMethodPatch(16u, dex_file1, 3000u, 1001u),
36       LinkerPatch::RelativeMethodPatch(16u, dex_file1, 3001u, 1001u),  // Index 7.
37       LinkerPatch::RelativeMethodPatch(16u, dex_file2, 3000u, 1000u),
38       LinkerPatch::RelativeMethodPatch(16u, dex_file2, 3001u, 1000u),
39       LinkerPatch::RelativeMethodPatch(16u, dex_file2, 3000u, 1001u),
40       LinkerPatch::RelativeMethodPatch(16u, dex_file2, 3001u, 1001u),
41       LinkerPatch::MethodBssEntryPatch(16u, dex_file1, 3000u, 1000u),
42       LinkerPatch::MethodBssEntryPatch(16u, dex_file1, 3001u, 1000u),
43       LinkerPatch::MethodBssEntryPatch(16u, dex_file1, 3000u, 1001u),
44       LinkerPatch::MethodBssEntryPatch(16u, dex_file1, 3001u, 1001u),
45       LinkerPatch::MethodBssEntryPatch(16u, dex_file2, 3000u, 1000u),
46       LinkerPatch::MethodBssEntryPatch(16u, dex_file2, 3001u, 1000u),
47       LinkerPatch::MethodBssEntryPatch(16u, dex_file2, 3000u, 1001u),
48       LinkerPatch::MethodBssEntryPatch(16u, dex_file2, 3001u, 1001u),
49       LinkerPatch::RelativeCodePatch(16u, dex_file1, 1000u),
50       LinkerPatch::RelativeCodePatch(16u, dex_file1, 1001u),
51       LinkerPatch::RelativeCodePatch(16u, dex_file2, 1000u),
52       LinkerPatch::RelativeCodePatch(16u, dex_file2, 1001u),
53       LinkerPatch::RelativeTypePatch(16u, dex_file1, 3000u, 1000u),
54       LinkerPatch::RelativeTypePatch(16u, dex_file1, 3001u, 1000u),
55       LinkerPatch::RelativeTypePatch(16u, dex_file1, 3000u, 1001u),
56       LinkerPatch::RelativeTypePatch(16u, dex_file1, 3001u, 1001u),
57       LinkerPatch::RelativeTypePatch(16u, dex_file2, 3000u, 1000u),
58       LinkerPatch::RelativeTypePatch(16u, dex_file2, 3001u, 1000u),
59       LinkerPatch::RelativeTypePatch(16u, dex_file2, 3000u, 1001u),
60       LinkerPatch::RelativeTypePatch(16u, dex_file2, 3001u, 1001u),
61       LinkerPatch::TypeBssEntryPatch(16u, dex_file1, 3000u, 1000u),
62       LinkerPatch::TypeBssEntryPatch(16u, dex_file1, 3001u, 1000u),
63       LinkerPatch::TypeBssEntryPatch(16u, dex_file1, 3000u, 1001u),
64       LinkerPatch::TypeBssEntryPatch(16u, dex_file1, 3001u, 1001u),
65       LinkerPatch::TypeBssEntryPatch(16u, dex_file2, 3000u, 1000u),
66       LinkerPatch::TypeBssEntryPatch(16u, dex_file2, 3001u, 1000u),
67       LinkerPatch::TypeBssEntryPatch(16u, dex_file2, 3000u, 1001u),
68       LinkerPatch::TypeBssEntryPatch(16u, dex_file2, 3001u, 1001u),
69       LinkerPatch::RelativeStringPatch(16u, dex_file1, 3000u, 1000u),
70       LinkerPatch::RelativeStringPatch(16u, dex_file1, 3001u, 1000u),
71       LinkerPatch::RelativeStringPatch(16u, dex_file1, 3000u, 1001u),
72       LinkerPatch::RelativeStringPatch(16u, dex_file1, 3001u, 1001u),
73       LinkerPatch::RelativeStringPatch(16u, dex_file2, 3000u, 1000u),
74       LinkerPatch::RelativeStringPatch(16u, dex_file2, 3001u, 1000u),
75       LinkerPatch::RelativeStringPatch(16u, dex_file2, 3000u, 1001u),
76       LinkerPatch::RelativeStringPatch(16u, dex_file2, 3001u, 1001u),
77       LinkerPatch::StringBssEntryPatch(16u, dex_file1, 3000u, 1000u),
78       LinkerPatch::StringBssEntryPatch(16u, dex_file1, 3001u, 1000u),
79       LinkerPatch::StringBssEntryPatch(16u, dex_file1, 3000u, 1001u),
80       LinkerPatch::StringBssEntryPatch(16u, dex_file1, 3001u, 1001u),
81       LinkerPatch::StringBssEntryPatch(16u, dex_file2, 3000u, 1000u),
82       LinkerPatch::StringBssEntryPatch(16u, dex_file2, 3001u, 1000u),
83       LinkerPatch::StringBssEntryPatch(16u, dex_file2, 3000u, 1001u),
84       LinkerPatch::StringBssEntryPatch(16u, dex_file2, 3001u, 1001u),
85       LinkerPatch::BakerReadBarrierBranchPatch(16u, 0u, 0u),
86       LinkerPatch::BakerReadBarrierBranchPatch(16u, 0u, 1u),
87       LinkerPatch::BakerReadBarrierBranchPatch(16u, 1u, 0u),
88       LinkerPatch::BakerReadBarrierBranchPatch(16u, 1u, 1u),
89 
90       LinkerPatch::IntrinsicReferencePatch(32u, 3000u, 1000u),
91       LinkerPatch::IntrinsicReferencePatch(32u, 3001u, 1000u),
92       LinkerPatch::IntrinsicReferencePatch(32u, 3000u, 1001u),
93       LinkerPatch::IntrinsicReferencePatch(32u, 3001u, 1001u),
94       LinkerPatch::RelativeMethodPatch(32u, dex_file1, 3000u, 1000u),
95       LinkerPatch::RelativeMethodPatch(32u, dex_file1, 3001u, 1000u),
96       LinkerPatch::RelativeMethodPatch(32u, dex_file1, 3000u, 1001u),
97       LinkerPatch::RelativeMethodPatch(32u, dex_file1, 3001u, 1001u),
98       LinkerPatch::RelativeMethodPatch(32u, dex_file2, 3000u, 1000u),
99       LinkerPatch::RelativeMethodPatch(32u, dex_file2, 3001u, 1000u),
100       LinkerPatch::RelativeMethodPatch(32u, dex_file2, 3000u, 1001u),
101       LinkerPatch::RelativeMethodPatch(32u, dex_file2, 3001u, 1001u),
102       LinkerPatch::MethodBssEntryPatch(32u, dex_file1, 3000u, 1000u),
103       LinkerPatch::MethodBssEntryPatch(32u, dex_file1, 3001u, 1000u),
104       LinkerPatch::MethodBssEntryPatch(32u, dex_file1, 3000u, 1001u),
105       LinkerPatch::MethodBssEntryPatch(32u, dex_file1, 3001u, 1001u),
106       LinkerPatch::MethodBssEntryPatch(32u, dex_file2, 3000u, 1000u),
107       LinkerPatch::MethodBssEntryPatch(32u, dex_file2, 3001u, 1000u),
108       LinkerPatch::MethodBssEntryPatch(32u, dex_file2, 3000u, 1001u),
109       LinkerPatch::MethodBssEntryPatch(32u, dex_file2, 3001u, 1001u),
110       LinkerPatch::RelativeCodePatch(32u, dex_file1, 1000u),
111       LinkerPatch::RelativeCodePatch(32u, dex_file1, 1001u),
112       LinkerPatch::RelativeCodePatch(32u, dex_file2, 1000u),
113       LinkerPatch::RelativeCodePatch(32u, dex_file2, 1001u),
114       LinkerPatch::RelativeTypePatch(32u, dex_file1, 3000u, 1000u),
115       LinkerPatch::RelativeTypePatch(32u, dex_file1, 3001u, 1000u),
116       LinkerPatch::RelativeTypePatch(32u, dex_file1, 3000u, 1001u),
117       LinkerPatch::RelativeTypePatch(32u, dex_file1, 3001u, 1001u),
118       LinkerPatch::RelativeTypePatch(32u, dex_file2, 3000u, 1000u),
119       LinkerPatch::RelativeTypePatch(32u, dex_file2, 3001u, 1000u),
120       LinkerPatch::RelativeTypePatch(32u, dex_file2, 3000u, 1001u),
121       LinkerPatch::RelativeTypePatch(32u, dex_file2, 3001u, 1001u),
122       LinkerPatch::TypeBssEntryPatch(32u, dex_file1, 3000u, 1000u),
123       LinkerPatch::TypeBssEntryPatch(32u, dex_file1, 3001u, 1000u),
124       LinkerPatch::TypeBssEntryPatch(32u, dex_file1, 3000u, 1001u),
125       LinkerPatch::TypeBssEntryPatch(32u, dex_file1, 3001u, 1001u),
126       LinkerPatch::TypeBssEntryPatch(32u, dex_file2, 3000u, 1000u),
127       LinkerPatch::TypeBssEntryPatch(32u, dex_file2, 3001u, 1000u),
128       LinkerPatch::TypeBssEntryPatch(32u, dex_file2, 3000u, 1001u),
129       LinkerPatch::TypeBssEntryPatch(32u, dex_file2, 3001u, 1001u),
130       LinkerPatch::RelativeStringPatch(32u, dex_file1, 3000u, 1000u),
131       LinkerPatch::RelativeStringPatch(32u, dex_file1, 3001u, 1000u),
132       LinkerPatch::RelativeStringPatch(32u, dex_file1, 3000u, 1001u),
133       LinkerPatch::RelativeStringPatch(32u, dex_file1, 3001u, 1001u),
134       LinkerPatch::RelativeStringPatch(32u, dex_file2, 3000u, 1000u),
135       LinkerPatch::RelativeStringPatch(32u, dex_file2, 3001u, 1000u),
136       LinkerPatch::RelativeStringPatch(32u, dex_file2, 3000u, 1001u),
137       LinkerPatch::RelativeStringPatch(32u, dex_file2, 3001u, 1001u),
138       LinkerPatch::StringBssEntryPatch(32u, dex_file1, 3000u, 1000u),
139       LinkerPatch::StringBssEntryPatch(32u, dex_file1, 3001u, 1000u),
140       LinkerPatch::StringBssEntryPatch(32u, dex_file1, 3000u, 1001u),
141       LinkerPatch::StringBssEntryPatch(32u, dex_file1, 3001u, 1001u),
142       LinkerPatch::StringBssEntryPatch(32u, dex_file2, 3000u, 1000u),
143       LinkerPatch::StringBssEntryPatch(32u, dex_file2, 3001u, 1000u),
144       LinkerPatch::StringBssEntryPatch(32u, dex_file2, 3000u, 1001u),
145       LinkerPatch::StringBssEntryPatch(32u, dex_file2, 3001u, 1001u),
146       LinkerPatch::BakerReadBarrierBranchPatch(32u, 0u, 0u),
147       LinkerPatch::BakerReadBarrierBranchPatch(32u, 0u, 1u),
148       LinkerPatch::BakerReadBarrierBranchPatch(32u, 1u, 0u),
149       LinkerPatch::BakerReadBarrierBranchPatch(32u, 1u, 1u),
150 
151       LinkerPatch::RelativeMethodPatch(16u, dex_file1, 3001u, 1001u),  // Same as patch at index 7.
152   };
153   constexpr size_t last_index = arraysize(patches) - 1u;
154 
155   for (size_t i = 0; i != arraysize(patches); ++i) {
156     for (size_t j = 0; j != arraysize(patches); ++j) {
157       bool expected = (i != last_index ? i : 7u) == (j != last_index ? j : 7u);
158       EXPECT_EQ(expected, patches[i] == patches[j]) << i << " " << j;
159     }
160   }
161 
162   for (size_t i = 0; i != arraysize(patches); ++i) {
163     for (size_t j = 0; j != arraysize(patches); ++j) {
164       bool expected = (i != last_index ? i : 7u) < (j != last_index ? j : 7u);
165       EXPECT_EQ(expected, patches[i] < patches[j]) << i << " " << j;
166     }
167   }
168 }
169 
170 }  // namespace linker
171 }  // namespace art
172