1 /*
2 * Copyright (C) 2022 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 <signal.h>
18 #include <stdint.h>
19 #include <sys/types.h>
20 #include <sys/wait.h>
21 #include <unistd.h>
22
23 #include <memory>
24
25 #include <gtest/gtest.h>
26
27 #include <unwindstack/Regs.h>
28
29 #include "ForkTest.h"
30 #include "PidUtils.h"
31
32 namespace unwindstack {
33
34 class RegsRemoteTest : public ForkTest {
35 protected:
SetUp()36 void SetUp() override { Fork(); }
37 };
38
TEST_F(RegsRemoteTest,remote_get)39 TEST_F(RegsRemoteTest, remote_get) {
40 std::unique_ptr<Regs> regs(Regs::RemoteGet(pid_));
41 #if defined(__arm__)
42 ASSERT_EQ(ARCH_ARM, regs->Arch());
43 #elif defined(__aarch64__)
44 ASSERT_EQ(ARCH_ARM64, regs->Arch());
45 #elif defined(__i386__)
46 ASSERT_EQ(ARCH_X86, regs->Arch());
47 #elif defined(__x86_64__)
48 ASSERT_EQ(ARCH_X86_64, regs->Arch());
49 #elif defined(__riscv)
50 ASSERT_EQ(ARCH_RISCV64, regs->Arch());
51 #else
52 ASSERT_EQ(nullptr, regs.get());
53 #endif
54 }
55
TEST_F(RegsRemoteTest,remote_get_ptrace_fails)56 TEST_F(RegsRemoteTest, remote_get_ptrace_fails) {
57 ErrorCode error_code;
58 // Use our own pid since that will always fail.
59 std::unique_ptr<Regs> regs(Regs::RemoteGet(getpid(), &error_code));
60 ASSERT_TRUE(regs == nullptr);
61 ASSERT_EQ(ERROR_PTRACE_CALL, error_code);
62 }
63
TEST_F(RegsRemoteTest,remote_get_arch)64 TEST_F(RegsRemoteTest, remote_get_arch) {
65 #if defined(__arm__)
66 ASSERT_EQ(ARCH_ARM, Regs::RemoteGetArch(pid_));
67 #elif defined(__aarch64__)
68 ASSERT_EQ(ARCH_ARM64, Regs::RemoteGetArch(pid_));
69 #elif defined(__i386__)
70 ASSERT_EQ(ARCH_X86, Regs::RemoteGetArch(pid_));
71 #elif defined(__x86_64__)
72 ASSERT_EQ(ARCH_X86_64, Regs::RemoteGetArch(pid_));
73 #elif defined(__riscv)
74 ASSERT_EQ(ARCH_RISCV64, Regs::RemoteGetArch(pid_));
75 #else
76 ASSERT_EQ(ARCH_NONE, Regs::RemoteGetArch(pid_));
77 #endif
78 }
79
TEST_F(RegsRemoteTest,remote_get_arch_ptrace_fails)80 TEST_F(RegsRemoteTest, remote_get_arch_ptrace_fails) {
81 ErrorCode error_code;
82 // Use our own pid since that will always fail.
83 ASSERT_EQ(ARCH_UNKNOWN, Regs::RemoteGetArch(getpid(), &error_code));
84 ASSERT_EQ(ERROR_PTRACE_CALL, error_code);
85 }
86
87 } // namespace unwindstack
88