1 /*
2 * Copyright (C) 2019 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 "src/kernel_utils/syscall_table.h"
18
19 #include "test/gtest_and_gmock.h"
20
21 namespace perfetto {
22 namespace {
23
TEST(SyscallTableTest,Arm64)24 TEST(SyscallTableTest, Arm64) {
25 SyscallTable t(Architecture::kArm64);
26 EXPECT_STREQ(t.GetById(0), "sys_io_setup");
27 EXPECT_EQ(t.GetByName("sys_io_setup"), 0u);
28
29 EXPECT_STREQ(t.GetById(1), "sys_io_destroy");
30 EXPECT_EQ(t.GetByName("sys_io_destroy"), 1u);
31
32 EXPECT_STREQ(t.GetById(220), "sys_clone");
33 EXPECT_EQ(t.GetByName("sys_clone"), 220u);
34
35 EXPECT_STREQ(t.GetById(293), "sys_rseq");
36 EXPECT_EQ(t.GetByName("sys_rseq"), 293u);
37
38 EXPECT_STREQ(t.GetById(457), nullptr);
39 EXPECT_STREQ(t.GetById(kMaxSyscalls), nullptr);
40
41 EXPECT_EQ(t.GetByName("sys_non_existent"), std::nullopt);
42 }
43
TEST(SyscallTableTest,Arm32)44 TEST(SyscallTableTest, Arm32) {
45 SyscallTable t(Architecture::kArm32);
46 EXPECT_STREQ(t.GetById(0), "sys_restart_syscall");
47 EXPECT_EQ(t.GetByName("sys_restart_syscall"), 0u);
48
49 EXPECT_STREQ(t.GetById(1), "sys_exit");
50 EXPECT_EQ(t.GetByName("sys_exit"), 1u);
51
52 EXPECT_STREQ(t.GetById(190), "sys_vfork");
53 EXPECT_EQ(t.GetByName("sys_vfork"), 190u);
54
55 EXPECT_STREQ(t.GetById(399), "sys_io_pgetevents");
56 EXPECT_EQ(t.GetByName("sys_io_pgetevents"), 399u);
57
58 EXPECT_STREQ(t.GetById(457), nullptr);
59 EXPECT_STREQ(t.GetById(kMaxSyscalls), nullptr);
60
61 EXPECT_EQ(t.GetByName("sys_non_existent"), std::nullopt);
62 }
63
TEST(SyscallTableTest,X86_64)64 TEST(SyscallTableTest, X86_64) {
65 SyscallTable t(Architecture::kX86_64);
66 EXPECT_STREQ(t.GetById(0), "sys_read");
67 EXPECT_EQ(t.GetByName("sys_read"), 0u);
68
69 EXPECT_STREQ(t.GetById(1), "sys_write");
70 EXPECT_EQ(t.GetByName("sys_write"), 1u);
71
72 EXPECT_STREQ(t.GetById(58), "sys_vfork");
73 EXPECT_EQ(t.GetByName("sys_vfork"), 58u);
74
75 // sys_pwritev2 shows up in two slots, 328 and 547 (which is really
76 // compat_sys_pwritev64v2). Ensure we can lookup both.
77 EXPECT_STREQ(t.GetById(547), "sys_pwritev2");
78 EXPECT_STREQ(t.GetById(328), "sys_pwritev2");
79 EXPECT_EQ(t.GetByName("sys_pwritev2"), 328u);
80
81 EXPECT_STREQ(t.GetById(335), "");
82 EXPECT_STREQ(t.GetById(511), "");
83
84 EXPECT_STREQ(t.GetById(548), nullptr);
85 EXPECT_STREQ(t.GetById(kMaxSyscalls), nullptr);
86 EXPECT_EQ(t.GetByName("sys_non_existent"), std::nullopt);
87 }
88
TEST(SyscallTableTest,X86)89 TEST(SyscallTableTest, X86) {
90 SyscallTable t(Architecture::kX86);
91 EXPECT_STREQ(t.GetById(0), "sys_restart_syscall");
92 EXPECT_EQ(t.GetByName("sys_restart_syscall"), 0u);
93
94 EXPECT_STREQ(t.GetById(1), "sys_exit");
95 EXPECT_EQ(t.GetByName("sys_exit"), 1u);
96
97 EXPECT_STREQ(t.GetById(190), "sys_vfork");
98 EXPECT_EQ(t.GetByName("sys_vfork"), 190u);
99
100 EXPECT_STREQ(t.GetById(386), "sys_rseq");
101 EXPECT_EQ(t.GetByName("sys_rseq"), 386);
102
103 EXPECT_STREQ(t.GetById(457), nullptr);
104 EXPECT_STREQ(t.GetById(kMaxSyscalls), nullptr);
105 EXPECT_EQ(t.GetByName("sys_non_existent"), std::nullopt);
106 }
107
108 } // namespace
109 } // namespace perfetto
110