| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| #include <sys/mman.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| #include <android-base/file.h> |
| #include <unwindstack/Maps.h> |
| |
| namespace unwindstack { |
| |
| class TestUpdatableMaps : public LocalUpdatableMaps { |
| public: |
| TestUpdatableMaps() : LocalUpdatableMaps() {} |
| virtual ~TestUpdatableMaps() = default; |
| |
| const std::string GetMapsFile() const override { return maps_file_; } |
| |
| void TestSetMapsFile(const std::string& maps_file) { maps_file_ = maps_file; } |
| |
| const std::vector<std::unique_ptr<MapInfo>>& TestGetSavedMaps() { return saved_maps_; } |
| |
| private: |
| std::string maps_file_; |
| }; |
| |
| class LocalUpdatableMapsTest : public ::testing::Test { |
| protected: |
| static const std::string GetDefaultMapString() { |
| return "3000-4000 r-xp 00000 00:00 0\n8000-9000 r-xp 00000 00:00 0\n"; |
| } |
| |
| void SetUp() override { |
| TemporaryFile tf; |
| ASSERT_TRUE(android::base::WriteStringToFile(GetDefaultMapString(), tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Parse()); |
| ASSERT_EQ(2U, maps_.Total()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| TestUpdatableMaps maps_; |
| }; |
| |
| TEST_F(LocalUpdatableMapsTest, same_map) { |
| TemporaryFile tf; |
| ASSERT_TRUE(android::base::WriteStringToFile(GetDefaultMapString(), tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Reparse()); |
| ASSERT_EQ(2U, maps_.Total()); |
| EXPECT_EQ(0U, maps_.TestGetSavedMaps().size()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| TEST_F(LocalUpdatableMapsTest, same_map_new_perms) { |
| TemporaryFile tf; |
| ASSERT_TRUE( |
| android::base::WriteStringToFile("3000-4000 rwxp 00000 00:00 0\n" |
| "8000-9000 r-xp 00000 00:00 0\n", |
| tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Reparse()); |
| ASSERT_EQ(2U, maps_.Total()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| auto& saved_maps = maps_.TestGetSavedMaps(); |
| ASSERT_EQ(1U, saved_maps.size()); |
| map_info = saved_maps[0].get(); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| TEST_F(LocalUpdatableMapsTest, same_map_new_name) { |
| TemporaryFile tf; |
| ASSERT_TRUE( |
| android::base::WriteStringToFile("3000-4000 r-xp 00000 00:00 0 /fake/lib.so\n" |
| "8000-9000 r-xp 00000 00:00 0\n", |
| tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Reparse()); |
| ASSERT_EQ(2U, maps_.Total()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_EQ("/fake/lib.so", map_info->name); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| auto& saved_maps = maps_.TestGetSavedMaps(); |
| ASSERT_EQ(1U, saved_maps.size()); |
| map_info = saved_maps[0].get(); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| TEST_F(LocalUpdatableMapsTest, only_add_maps) { |
| TemporaryFile tf; |
| ASSERT_TRUE( |
| android::base::WriteStringToFile("1000-2000 r-xp 00000 00:00 0\n" |
| "3000-4000 r-xp 00000 00:00 0\n" |
| "8000-9000 r-xp 00000 00:00 0\n" |
| "a000-f000 r-xp 00000 00:00 0\n", |
| tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Reparse()); |
| ASSERT_EQ(4U, maps_.Total()); |
| EXPECT_EQ(0U, maps_.TestGetSavedMaps().size()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x1000U, map_info->start); |
| EXPECT_EQ(0x2000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(2); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(3); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0xa000U, map_info->start); |
| EXPECT_EQ(0xf000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| TEST_F(LocalUpdatableMapsTest, all_new_maps) { |
| TemporaryFile tf; |
| ASSERT_TRUE( |
| android::base::WriteStringToFile("1000-2000 r-xp 00000 00:00 0\n" |
| "a000-f000 r-xp 00000 00:00 0\n", |
| tf.path)); |
| |
| maps_.TestSetMapsFile(tf.path); |
| ASSERT_TRUE(maps_.Reparse()); |
| ASSERT_EQ(2U, maps_.Total()); |
| |
| MapInfo* map_info = maps_.Get(0); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x1000U, map_info->start); |
| EXPECT_EQ(0x2000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = maps_.Get(1); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0xa000U, map_info->start); |
| EXPECT_EQ(0xf000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| auto& saved_maps = maps_.TestGetSavedMaps(); |
| ASSERT_EQ(2U, saved_maps.size()); |
| map_info = saved_maps[0].get(); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x3000U, map_info->start); |
| EXPECT_EQ(0x4000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| |
| map_info = saved_maps[1].get(); |
| ASSERT_TRUE(map_info != nullptr); |
| EXPECT_EQ(0x8000U, map_info->start); |
| EXPECT_EQ(0x9000U, map_info->end); |
| EXPECT_EQ(0U, map_info->offset); |
| EXPECT_EQ(PROT_READ | PROT_EXEC, map_info->flags); |
| EXPECT_TRUE(map_info->name.empty()); |
| } |
| |
| } // namespace unwindstack |