| // Copyright 2017 The Crashpad Authors. All rights reserved. |
| // |
| // 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 "snapshot/crashpad_types/crashpad_info_reader.h" |
| |
| #include <sys/types.h> |
| |
| #include <memory> |
| |
| #include "build/build_config.h" |
| #include "client/annotation_list.h" |
| #include "client/crashpad_info.h" |
| #include "client/simple_address_range_bag.h" |
| #include "client/simple_string_dictionary.h" |
| #include "gtest/gtest.h" |
| #include "test/multiprocess_exec.h" |
| #include "test/process_type.h" |
| #include "util/file/file_io.h" |
| #include "util/misc/from_pointer_cast.h" |
| #include "util/process/process_memory_native.h" |
| |
| namespace crashpad { |
| namespace test { |
| namespace { |
| |
| constexpr TriState kCrashpadHandlerBehavior = TriState::kEnabled; |
| constexpr TriState kSystemCrashReporterForwarding = TriState::kDisabled; |
| constexpr TriState kGatherIndirectlyReferencedMemory = TriState::kUnset; |
| |
| constexpr uint32_t kIndirectlyReferencedMemoryCap = 42; |
| |
| class ScopedUnsetCrashpadInfo { |
| public: |
| explicit ScopedUnsetCrashpadInfo(CrashpadInfo* crashpad_info) |
| : crashpad_info_(crashpad_info) {} |
| |
| ~ScopedUnsetCrashpadInfo() { |
| crashpad_info_->set_crashpad_handler_behavior(TriState::kUnset); |
| crashpad_info_->set_system_crash_reporter_forwarding(TriState::kUnset); |
| crashpad_info_->set_gather_indirectly_referenced_memory(TriState::kUnset, |
| 0); |
| crashpad_info_->set_extra_memory_ranges(nullptr); |
| crashpad_info_->set_simple_annotations(nullptr); |
| crashpad_info_->set_annotations_list(nullptr); |
| } |
| |
| private: |
| CrashpadInfo* crashpad_info_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedUnsetCrashpadInfo); |
| }; |
| |
| class CrashpadInfoTestDataSetup { |
| public: |
| CrashpadInfoTestDataSetup() { |
| CrashpadInfo* info = CrashpadInfo::GetCrashpadInfo(); |
| unset_.reset(new ScopedUnsetCrashpadInfo(info)); |
| |
| info->set_extra_memory_ranges(&extra_memory_); |
| info->set_simple_annotations(&simple_annotations_); |
| info->set_annotations_list(&annotation_list_); |
| info->set_crashpad_handler_behavior(kCrashpadHandlerBehavior); |
| info->set_system_crash_reporter_forwarding(kSystemCrashReporterForwarding); |
| info->set_gather_indirectly_referenced_memory( |
| kGatherIndirectlyReferencedMemory, kIndirectlyReferencedMemoryCap); |
| } |
| |
| void GetAddresses(VMAddress* info_address, |
| VMAddress* extra_memory_address, |
| VMAddress* simple_annotations_address, |
| VMAddress* annotations_list_address) { |
| *info_address = FromPointerCast<VMAddress>(CrashpadInfo::GetCrashpadInfo()); |
| *extra_memory_address = FromPointerCast<VMAddress>(&extra_memory_); |
| *simple_annotations_address = |
| FromPointerCast<VMAddress>(&simple_annotations_); |
| *annotations_list_address = FromPointerCast<VMAddress>(&annotation_list_); |
| } |
| |
| private: |
| std::unique_ptr<ScopedUnsetCrashpadInfo> unset_; |
| SimpleAddressRangeBag extra_memory_; |
| SimpleStringDictionary simple_annotations_; |
| AnnotationList annotation_list_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CrashpadInfoTestDataSetup); |
| }; |
| |
| void ExpectCrashpadInfo(ProcessType process, |
| bool is_64_bit, |
| VMAddress info_address, |
| VMAddress extra_memory_address, |
| VMAddress simple_annotations_address, |
| VMAddress annotations_list_address) { |
| ProcessMemoryNative memory; |
| ASSERT_TRUE(memory.Initialize(process)); |
| |
| ProcessMemoryRange range; |
| ASSERT_TRUE(range.Initialize(&memory, is_64_bit)); |
| |
| CrashpadInfoReader reader; |
| ASSERT_TRUE(reader.Initialize(&range, info_address)); |
| EXPECT_EQ(reader.CrashpadHandlerBehavior(), kCrashpadHandlerBehavior); |
| EXPECT_EQ(reader.SystemCrashReporterForwarding(), |
| kSystemCrashReporterForwarding); |
| EXPECT_EQ(reader.GatherIndirectlyReferencedMemory(), |
| kGatherIndirectlyReferencedMemory); |
| EXPECT_EQ(reader.IndirectlyReferencedMemoryCap(), |
| kIndirectlyReferencedMemoryCap); |
| EXPECT_EQ(reader.ExtraMemoryRanges(), extra_memory_address); |
| EXPECT_EQ(reader.SimpleAnnotations(), simple_annotations_address); |
| EXPECT_EQ(reader.AnnotationsList(), annotations_list_address); |
| } |
| |
| TEST(CrashpadInfoReader, ReadFromSelf) { |
| #if defined(ARCH_CPU_64_BITS) |
| constexpr bool am_64_bit = true; |
| #else |
| constexpr bool am_64_bit = false; |
| #endif |
| |
| CrashpadInfoTestDataSetup test_data_setup; |
| VMAddress info_address; |
| VMAddress extra_memory_address; |
| VMAddress simple_annotations_address; |
| VMAddress annotations_list_address; |
| test_data_setup.GetAddresses(&info_address, |
| &extra_memory_address, |
| &simple_annotations_address, |
| &annotations_list_address); |
| ExpectCrashpadInfo(GetSelfProcess(), |
| am_64_bit, |
| info_address, |
| extra_memory_address, |
| simple_annotations_address, |
| annotations_list_address); |
| } |
| |
| CRASHPAD_CHILD_TEST_MAIN(ReadFromChildTestMain) { |
| CrashpadInfoTestDataSetup test_data_setup; |
| VMAddress info_address; |
| VMAddress extra_memory_address; |
| VMAddress simple_annotations_address; |
| VMAddress annotations_list_address; |
| test_data_setup.GetAddresses(&info_address, |
| &extra_memory_address, |
| &simple_annotations_address, |
| &annotations_list_address); |
| |
| FileHandle out = StdioFileHandle(StdioStream::kStandardOutput); |
| CheckedWriteFile(out, &info_address, sizeof(info_address)); |
| CheckedWriteFile(out, &extra_memory_address, sizeof(extra_memory_address)); |
| CheckedWriteFile( |
| out, &simple_annotations_address, sizeof(simple_annotations_address)); |
| CheckedWriteFile( |
| out, &annotations_list_address, sizeof(annotations_list_address)); |
| CheckedReadFileAtEOF(StdioFileHandle(StdioStream::kStandardInput)); |
| return 0; |
| } |
| |
| class ReadFromChildTest : public MultiprocessExec { |
| public: |
| ReadFromChildTest() : MultiprocessExec() { |
| SetChildTestMainFunction("ReadFromChildTestMain"); |
| } |
| |
| ~ReadFromChildTest() = default; |
| |
| private: |
| void MultiprocessParent() { |
| #if defined(ARCH_CPU_64_BITS) |
| constexpr bool am_64_bit = true; |
| #else |
| constexpr bool am_64_bit = false; |
| #endif |
| |
| VMAddress info_address; |
| VMAddress extra_memory_address; |
| VMAddress simple_annotations_address; |
| VMAddress annotations_list_address; |
| ASSERT_TRUE( |
| ReadFileExactly(ReadPipeHandle(), &info_address, sizeof(info_address))); |
| ASSERT_TRUE(ReadFileExactly( |
| ReadPipeHandle(), &extra_memory_address, sizeof(extra_memory_address))); |
| ASSERT_TRUE(ReadFileExactly(ReadPipeHandle(), |
| &simple_annotations_address, |
| sizeof(simple_annotations_address))); |
| ASSERT_TRUE(ReadFileExactly(ReadPipeHandle(), |
| &annotations_list_address, |
| sizeof(annotations_list_address))); |
| ExpectCrashpadInfo(ChildProcess(), |
| am_64_bit, |
| info_address, |
| extra_memory_address, |
| simple_annotations_address, |
| annotations_list_address); |
| } |
| |
| DISALLOW_COPY_AND_ASSIGN(ReadFromChildTest); |
| }; |
| |
| TEST(CrashpadInfoReader, ReadFromChild) { |
| ReadFromChildTest test; |
| test.Run(); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace crashpad |