| //===-- GDBRemoteCommunicationClientTest.cpp ------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| #include "Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h" |
| #include "GDBRemoteTestUtils.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Host/XML.h" |
| #include "lldb/Target/MemoryRegionInfo.h" |
| #include "lldb/Utility/DataBuffer.h" |
| #include "lldb/Utility/StructuredData.h" |
| #include "lldb/lldb-enumerations.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/Testing/Support/Error.h" |
| #include "gmock/gmock.h" |
| #include <future> |
| #include <limits> |
| |
| using namespace lldb_private::process_gdb_remote; |
| using namespace lldb_private; |
| using namespace lldb; |
| using namespace llvm; |
| |
| namespace { |
| |
| typedef GDBRemoteCommunication::PacketResult PacketResult; |
| |
| struct TestClient : public GDBRemoteCommunicationClient { |
| TestClient() { m_send_acks = false; } |
| }; |
| |
| void Handle_QThreadSuffixSupported(MockServer &server, bool supported) { |
| StringExtractorGDBRemote request; |
| ASSERT_EQ(PacketResult::Success, server.GetPacket(request)); |
| ASSERT_EQ("QThreadSuffixSupported", request.GetStringRef()); |
| if (supported) |
| ASSERT_EQ(PacketResult::Success, server.SendOKResponse()); |
| else |
| ASSERT_EQ(PacketResult::Success, server.SendUnimplementedResponse(nullptr)); |
| } |
| |
| void HandlePacket(MockServer &server, |
| const testing::Matcher<const std::string &> &expected, |
| StringRef response) { |
| StringExtractorGDBRemote request; |
| ASSERT_EQ(PacketResult::Success, server.GetPacket(request)); |
| ASSERT_THAT(std::string(request.GetStringRef()), expected); |
| ASSERT_EQ(PacketResult::Success, server.SendPacket(response)); |
| } |
| |
| uint8_t all_registers[] = {'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', |
| 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'}; |
| std::string all_registers_hex = "404142434445464748494a4b4c4d4e4f"; |
| uint8_t one_register[] = {'A', 'B', 'C', 'D'}; |
| std::string one_register_hex = "41424344"; |
| |
| } // end anonymous namespace |
| |
| class GDBRemoteCommunicationClientTest : public GDBRemoteTest { |
| public: |
| void SetUp() override { |
| ASSERT_THAT_ERROR(GDBRemoteCommunication::ConnectLocally(client, server), |
| llvm::Succeeded()); |
| } |
| |
| protected: |
| TestClient client; |
| MockServer server; |
| }; |
| |
| TEST_F(GDBRemoteCommunicationClientTest, WriteRegister) { |
| const lldb::tid_t tid = 0x47; |
| const uint32_t reg_num = 4; |
| std::future<bool> write_result = std::async(std::launch::async, [&] { |
| return client.WriteRegister(tid, reg_num, one_register); |
| }); |
| |
| Handle_QThreadSuffixSupported(server, true); |
| |
| HandlePacket(server, "P4=" + one_register_hex + ";thread:0047;", "OK"); |
| ASSERT_TRUE(write_result.get()); |
| |
| write_result = std::async(std::launch::async, [&] { |
| return client.WriteAllRegisters(tid, all_registers); |
| }); |
| |
| HandlePacket(server, "G" + all_registers_hex + ";thread:0047;", "OK"); |
| ASSERT_TRUE(write_result.get()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, WriteRegisterNoSuffix) { |
| const lldb::tid_t tid = 0x47; |
| const uint32_t reg_num = 4; |
| std::future<bool> write_result = std::async(std::launch::async, [&] { |
| return client.WriteRegister(tid, reg_num, one_register); |
| }); |
| |
| Handle_QThreadSuffixSupported(server, false); |
| HandlePacket(server, "Hg47", "OK"); |
| HandlePacket(server, "P4=" + one_register_hex, "OK"); |
| ASSERT_TRUE(write_result.get()); |
| |
| write_result = std::async(std::launch::async, [&] { |
| return client.WriteAllRegisters(tid, all_registers); |
| }); |
| |
| HandlePacket(server, "G" + all_registers_hex, "OK"); |
| ASSERT_TRUE(write_result.get()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, ReadRegister) { |
| const lldb::tid_t tid = 0x47; |
| const uint32_t reg_num = 4; |
| std::future<bool> async_result = std::async( |
| std::launch::async, [&] { return client.GetpPacketSupported(tid); }); |
| Handle_QThreadSuffixSupported(server, true); |
| HandlePacket(server, "p0;thread:0047;", one_register_hex); |
| ASSERT_TRUE(async_result.get()); |
| |
| std::future<DataBufferSP> read_result = std::async( |
| std::launch::async, [&] { return client.ReadRegister(tid, reg_num); }); |
| HandlePacket(server, "p4;thread:0047;", "41424344"); |
| auto buffer_sp = read_result.get(); |
| ASSERT_TRUE(bool(buffer_sp)); |
| ASSERT_EQ(0, |
| memcmp(buffer_sp->GetBytes(), one_register, sizeof one_register)); |
| |
| read_result = std::async(std::launch::async, |
| [&] { return client.ReadAllRegisters(tid); }); |
| HandlePacket(server, "g;thread:0047;", all_registers_hex); |
| buffer_sp = read_result.get(); |
| ASSERT_TRUE(bool(buffer_sp)); |
| ASSERT_EQ(0, |
| memcmp(buffer_sp->GetBytes(), all_registers, sizeof all_registers)); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, SaveRestoreRegistersNoSuffix) { |
| const lldb::tid_t tid = 0x47; |
| uint32_t save_id; |
| std::future<bool> async_result = std::async(std::launch::async, [&] { |
| return client.SaveRegisterState(tid, save_id); |
| }); |
| Handle_QThreadSuffixSupported(server, false); |
| HandlePacket(server, "Hg47", "OK"); |
| HandlePacket(server, "QSaveRegisterState", "1"); |
| ASSERT_TRUE(async_result.get()); |
| EXPECT_EQ(1u, save_id); |
| |
| async_result = std::async(std::launch::async, [&] { |
| return client.RestoreRegisterState(tid, save_id); |
| }); |
| HandlePacket(server, "QRestoreRegisterState:1", "OK"); |
| ASSERT_TRUE(async_result.get()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, SyncThreadState) { |
| const lldb::tid_t tid = 0x47; |
| std::future<bool> async_result = std::async( |
| std::launch::async, [&] { return client.SyncThreadState(tid); }); |
| HandlePacket(server, "qSyncThreadStateSupported", "OK"); |
| HandlePacket(server, "QSyncThreadState:0047;", "OK"); |
| ASSERT_TRUE(async_result.get()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo) { |
| llvm::Triple triple("i386-pc-linux"); |
| |
| FileSpec file_specs[] = { |
| FileSpec("/foo/bar.so", FileSpec::Style::posix), |
| FileSpec("/foo/baz.so", FileSpec::Style::posix), |
| |
| // This is a bit dodgy but we currently depend on GetModulesInfo not |
| // performing denormalization. It can go away once the users |
| // (DynamicLoaderPOSIXDYLD, at least) correctly set the path syntax for |
| // the FileSpecs they create. |
| FileSpec("/foo/baw.so", FileSpec::Style::windows), |
| }; |
| std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = |
| std::async(std::launch::async, |
| [&] { return client.GetModulesInfo(file_specs, triple); }); |
| HandlePacket( |
| server, "jModulesInfo:[" |
| R"({"file":"/foo/bar.so","triple":"i386-pc-linux"},)" |
| R"({"file":"/foo/baz.so","triple":"i386-pc-linux"},)" |
| R"({"file":"/foo/baw.so","triple":"i386-pc-linux"}])", |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])"); |
| |
| auto result = async_result.get(); |
| ASSERT_TRUE(result.hasValue()); |
| ASSERT_EQ(1u, result->size()); |
| EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath()); |
| EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple()); |
| EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNO", 16), |
| result.getValue()[0].GetUUID()); |
| EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset()); |
| EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo_UUID20) { |
| llvm::Triple triple("i386-pc-linux"); |
| |
| FileSpec file_spec("/foo/bar.so", FileSpec::Style::posix); |
| std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = |
| std::async(std::launch::async, |
| [&] { return client.GetModulesInfo(file_spec, triple); }); |
| HandlePacket( |
| server, |
| "jModulesInfo:[" |
| R"({"file":"/foo/bar.so","triple":"i386-pc-linux"}])", |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f50515253","triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])"); |
| |
| auto result = async_result.get(); |
| ASSERT_TRUE(result.hasValue()); |
| ASSERT_EQ(1u, result->size()); |
| EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath()); |
| EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple()); |
| EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNOPQRS", 20), |
| result.getValue()[0].GetUUID()); |
| EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset()); |
| EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfoInvalidResponse) { |
| llvm::Triple triple("i386-pc-linux"); |
| FileSpec file_spec("/foo/bar.so", FileSpec::Style::posix); |
| |
| const char *invalid_responses[] = { |
| // no UUID |
| R"([{"triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", |
| // invalid UUID |
| R"([{"uuid":"XXXXXX","triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", |
| // no triple |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f",)" |
| R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", |
| // no file_path |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" |
| R"("file_offset":0,"file_size":1234}]])", |
| // no file_offset |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_size":1234}]])", |
| // no file_size |
| R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" |
| R"("file_path":"/foo/bar.so","file_offset":0}]])", |
| }; |
| |
| for (const char *response : invalid_responses) { |
| std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = |
| std::async(std::launch::async, |
| [&] { return client.GetModulesInfo(file_spec, triple); }); |
| HandlePacket( |
| server, |
| R"(jModulesInfo:[{"file":"/foo/bar.so","triple":"i386-pc-linux"}])", |
| response); |
| |
| auto result = async_result.get(); |
| ASSERT_TRUE(result); |
| ASSERT_EQ(0u, result->size()) << "response was: " << response; |
| } |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, TestPacketSpeedJSON) { |
| std::thread server_thread([this] { |
| for (;;) { |
| StringExtractorGDBRemote request; |
| PacketResult result = server.GetPacket(request); |
| if (result == PacketResult::ErrorDisconnected) |
| return; |
| ASSERT_EQ(PacketResult::Success, result); |
| StringRef ref = request.GetStringRef(); |
| ASSERT_TRUE(ref.consume_front("qSpeedTest:response_size:")); |
| int size; |
| ASSERT_FALSE(ref.consumeInteger(10, size)) << "ref: " << ref; |
| std::string response(size, 'X'); |
| ASSERT_EQ(PacketResult::Success, server.SendPacket(response)); |
| } |
| }); |
| |
| StreamString ss; |
| client.TestPacketSpeed(10, 32, 32, 4096, true, ss); |
| client.Disconnect(); |
| server_thread.join(); |
| |
| GTEST_LOG_(INFO) << "Formatted output: " << ss.GetData(); |
| auto object_sp = StructuredData::ParseJSON(std::string(ss.GetString())); |
| ASSERT_TRUE(bool(object_sp)); |
| auto dict_sp = object_sp->GetAsDictionary(); |
| ASSERT_TRUE(bool(dict_sp)); |
| |
| object_sp = dict_sp->GetValueForKey("packet_speeds"); |
| ASSERT_TRUE(bool(object_sp)); |
| dict_sp = object_sp->GetAsDictionary(); |
| ASSERT_TRUE(bool(dict_sp)); |
| |
| int num_packets; |
| ASSERT_TRUE(dict_sp->GetValueForKeyAsInteger("num_packets", num_packets)) |
| << ss.GetString(); |
| ASSERT_EQ(10, num_packets); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, SendSignalsToIgnore) { |
| std::future<Status> result = std::async(std::launch::async, [&] { |
| return client.SendSignalsToIgnore({2, 3, 5, 7, 0xB, 0xD, 0x11}); |
| }); |
| |
| HandlePacket(server, "QPassSignals:02;03;05;07;0b;0d;11", "OK"); |
| EXPECT_TRUE(result.get().Success()); |
| |
| result = std::async(std::launch::async, [&] { |
| return client.SendSignalsToIgnore(std::vector<int32_t>()); |
| }); |
| |
| HandlePacket(server, "QPassSignals:", "OK"); |
| EXPECT_TRUE(result.get().Success()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfo) { |
| const lldb::addr_t addr = 0xa000; |
| MemoryRegionInfo region_info; |
| std::future<Status> result = std::async(std::launch::async, [&] { |
| return client.GetMemoryRegionInfo(addr, region_info); |
| }); |
| |
| HandlePacket(server, |
| "qMemoryRegionInfo:a000", |
| "start:a000;size:2000;permissions:rx;name:2f666f6f2f6261722e736f;"); |
| if (XMLDocument::XMLEnabled()) { |
| // In case we have XML support, this will also do a "qXfer:memory-map". |
| // Preceeded by a query for supported extensions. Pretend we don't support |
| // that. |
| HandlePacket(server, testing::StartsWith("qSupported:"), ""); |
| } |
| EXPECT_TRUE(result.get().Success()); |
| EXPECT_EQ(addr, region_info.GetRange().GetRangeBase()); |
| EXPECT_EQ(0x2000u, region_info.GetRange().GetByteSize()); |
| EXPECT_EQ(MemoryRegionInfo::eYes, region_info.GetReadable()); |
| EXPECT_EQ(MemoryRegionInfo::eNo, region_info.GetWritable()); |
| EXPECT_EQ(MemoryRegionInfo::eYes, region_info.GetExecutable()); |
| EXPECT_EQ("/foo/bar.so", region_info.GetName().GetStringRef()); |
| EXPECT_EQ(MemoryRegionInfo::eDontKnow, region_info.GetMemoryTagged()); |
| |
| result = std::async(std::launch::async, [&] { |
| return client.GetMemoryRegionInfo(addr, region_info); |
| }); |
| |
| HandlePacket(server, "qMemoryRegionInfo:a000", |
| "start:a000;size:2000;flags:;"); |
| EXPECT_TRUE(result.get().Success()); |
| EXPECT_EQ(MemoryRegionInfo::eNo, region_info.GetMemoryTagged()); |
| |
| result = std::async(std::launch::async, [&] { |
| return client.GetMemoryRegionInfo(addr, region_info); |
| }); |
| |
| HandlePacket(server, "qMemoryRegionInfo:a000", |
| "start:a000;size:2000;flags: mt zz mt ;"); |
| EXPECT_TRUE(result.get().Success()); |
| EXPECT_EQ(MemoryRegionInfo::eYes, region_info.GetMemoryTagged()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfoInvalidResponse) { |
| const lldb::addr_t addr = 0x4000; |
| MemoryRegionInfo region_info; |
| std::future<Status> result = std::async(std::launch::async, [&] { |
| return client.GetMemoryRegionInfo(addr, region_info); |
| }); |
| |
| HandlePacket(server, "qMemoryRegionInfo:4000", "start:4000;size:0000;"); |
| if (XMLDocument::XMLEnabled()) { |
| // In case we have XML support, this will also do a "qXfer:memory-map". |
| // Preceeded by a query for supported extensions. Pretend we don't support |
| // that. |
| HandlePacket(server, testing::StartsWith("qSupported:"), ""); |
| } |
| EXPECT_FALSE(result.get().Success()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, SendTraceSupportedPacket) { |
| TraceSupportedResponse trace_type; |
| std::string error_message; |
| auto callback = [&] { |
| std::chrono::seconds timeout(10); |
| if (llvm::Expected<TraceSupportedResponse> trace_type_or_err = |
| client.SendTraceSupported(timeout)) { |
| trace_type = *trace_type_or_err; |
| error_message = ""; |
| return true; |
| } else { |
| trace_type = {}; |
| error_message = llvm::toString(trace_type_or_err.takeError()); |
| return false; |
| } |
| }; |
| |
| // Success response |
| { |
| std::future<bool> result = std::async(std::launch::async, callback); |
| |
| HandlePacket( |
| server, "jLLDBTraceSupported", |
| R"({"name":"intel-pt","description":"Intel Processor Trace"}])"); |
| |
| EXPECT_TRUE(result.get()); |
| ASSERT_STREQ(trace_type.name.c_str(), "intel-pt"); |
| ASSERT_STREQ(trace_type.description.c_str(), "Intel Processor Trace"); |
| } |
| |
| // Error response - wrong json |
| { |
| std::future<bool> result = std::async(std::launch::async, callback); |
| |
| HandlePacket(server, "jLLDBTraceSupported", R"({"type":"intel-pt"}])"); |
| |
| EXPECT_FALSE(result.get()); |
| ASSERT_STREQ(error_message.c_str(), "missing value at TraceSupportedResponse.description"); |
| } |
| |
| // Error response |
| { |
| std::future<bool> result = std::async(std::launch::async, callback); |
| |
| HandlePacket(server, "jLLDBTraceSupported", "E23"); |
| |
| EXPECT_FALSE(result.get()); |
| } |
| |
| // Error response with error message |
| { |
| std::future<bool> result = std::async(std::launch::async, callback); |
| |
| HandlePacket(server, "jLLDBTraceSupported", |
| "E23;50726F63657373206E6F742072756E6E696E672E"); |
| |
| EXPECT_FALSE(result.get()); |
| ASSERT_STREQ(error_message.c_str(), "Process not running."); |
| } |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, GetQOffsets) { |
| const auto &GetQOffsets = [&](llvm::StringRef response) { |
| std::future<Optional<QOffsets>> result = std::async( |
| std::launch::async, [&] { return client.GetQOffsets(); }); |
| |
| HandlePacket(server, "qOffsets", response); |
| return result.get(); |
| }; |
| EXPECT_EQ((QOffsets{false, {0x1234, 0x1234}}), |
| GetQOffsets("Text=1234;Data=1234")); |
| EXPECT_EQ((QOffsets{false, {0x1234, 0x1234, 0x1234}}), |
| GetQOffsets("Text=1234;Data=1234;Bss=1234")); |
| EXPECT_EQ((QOffsets{true, {0x1234}}), GetQOffsets("TextSeg=1234")); |
| EXPECT_EQ((QOffsets{true, {0x1234, 0x2345}}), |
| GetQOffsets("TextSeg=1234;DataSeg=2345")); |
| |
| EXPECT_EQ(llvm::None, GetQOffsets("E05")); |
| EXPECT_EQ(llvm::None, GetQOffsets("Text=bogus")); |
| EXPECT_EQ(llvm::None, GetQOffsets("Text=1234")); |
| EXPECT_EQ(llvm::None, GetQOffsets("Text=1234;Data=1234;")); |
| EXPECT_EQ(llvm::None, GetQOffsets("Text=1234;Data=1234;Bss=1234;")); |
| EXPECT_EQ(llvm::None, GetQOffsets("TEXTSEG=1234")); |
| EXPECT_EQ(llvm::None, GetQOffsets("TextSeg=0x1234")); |
| EXPECT_EQ(llvm::None, GetQOffsets("TextSeg=12345678123456789")); |
| } |
| |
| static void |
| check_qmemtags(TestClient &client, MockServer &server, size_t read_len, |
| int32_t type, const char *packet, llvm::StringRef response, |
| llvm::Optional<std::vector<uint8_t>> expected_tag_data) { |
| const auto &ReadMemoryTags = [&]() { |
| std::future<DataBufferSP> result = std::async(std::launch::async, [&] { |
| return client.ReadMemoryTags(0xDEF0, read_len, type); |
| }); |
| |
| HandlePacket(server, packet, response); |
| return result.get(); |
| }; |
| |
| auto result = ReadMemoryTags(); |
| if (expected_tag_data) { |
| ASSERT_TRUE(result); |
| llvm::ArrayRef<uint8_t> expected(*expected_tag_data); |
| llvm::ArrayRef<uint8_t> got = result->GetData(); |
| ASSERT_THAT(expected, testing::ContainerEq(got)); |
| } else { |
| ASSERT_FALSE(result); |
| } |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, ReadMemoryTags) { |
| // Zero length reads are valid |
| check_qmemtags(client, server, 0, 1, "qMemTags:def0,0:1", "m", |
| std::vector<uint8_t>{}); |
| |
| // Type can be negative. Put into the packet as the raw bytes |
| // (as opposed to a literal -1) |
| check_qmemtags(client, server, 0, -1, "qMemTags:def0,0:ffffffff", "m", |
| std::vector<uint8_t>{}); |
| check_qmemtags(client, server, 0, std::numeric_limits<int32_t>::min(), |
| "qMemTags:def0,0:80000000", "m", std::vector<uint8_t>{}); |
| check_qmemtags(client, server, 0, std::numeric_limits<int32_t>::max(), |
| "qMemTags:def0,0:7fffffff", "m", std::vector<uint8_t>{}); |
| |
| // The client layer does not check the length of the received data. |
| // All we need is the "m" and for the decode to use all of the chars |
| check_qmemtags(client, server, 32, 2, "qMemTags:def0,20:2", "m09", |
| std::vector<uint8_t>{0x9}); |
| |
| // Zero length response is fine as long as the "m" is present |
| check_qmemtags(client, server, 0, 0x34, "qMemTags:def0,0:34", "m", |
| std::vector<uint8_t>{}); |
| |
| // Normal responses |
| check_qmemtags(client, server, 16, 1, "qMemTags:def0,10:1", "m66", |
| std::vector<uint8_t>{0x66}); |
| check_qmemtags(client, server, 32, 1, "qMemTags:def0,20:1", "m0102", |
| std::vector<uint8_t>{0x1, 0x2}); |
| |
| // Empty response is an error |
| check_qmemtags(client, server, 17, 1, "qMemTags:def0,11:1", "", llvm::None); |
| // Usual error response |
| check_qmemtags(client, server, 17, 1, "qMemTags:def0,11:1", "E01", |
| llvm::None); |
| // Leading m missing |
| check_qmemtags(client, server, 17, 1, "qMemTags:def0,11:1", "01", llvm::None); |
| // Anything other than m is an error |
| check_qmemtags(client, server, 17, 1, "qMemTags:def0,11:1", "z01", |
| llvm::None); |
| // Decoding tag data doesn't use all the chars in the packet |
| check_qmemtags(client, server, 32, 1, "qMemTags:def0,20:1", "m09zz", |
| llvm::None); |
| // Data that is not hex bytes |
| check_qmemtags(client, server, 32, 1, "qMemTags:def0,20:1", "mhello", |
| llvm::None); |
| // Data is not a complete hex char |
| check_qmemtags(client, server, 32, 1, "qMemTags:def0,20:1", "m9", llvm::None); |
| // Data has a trailing hex char |
| check_qmemtags(client, server, 32, 1, "qMemTags:def0,20:1", "m01020", |
| llvm::None); |
| } |
| |
| static void check_Qmemtags(TestClient &client, MockServer &server, |
| lldb::addr_t addr, size_t len, int32_t type, |
| const std::vector<uint8_t> &tags, const char *packet, |
| llvm::StringRef response, bool should_succeed) { |
| const auto &WriteMemoryTags = [&]() { |
| std::future<Status> result = std::async(std::launch::async, [&] { |
| return client.WriteMemoryTags(addr, len, type, tags); |
| }); |
| |
| HandlePacket(server, packet, response); |
| return result.get(); |
| }; |
| |
| auto result = WriteMemoryTags(); |
| if (should_succeed) |
| ASSERT_TRUE(result.Success()); |
| else |
| ASSERT_TRUE(result.Fail()); |
| } |
| |
| TEST_F(GDBRemoteCommunicationClientTest, WriteMemoryTags) { |
| check_Qmemtags(client, server, 0xABCD, 0x20, 1, |
| std::vector<uint8_t>{0x12, 0x34}, "QMemTags:abcd,20:1:1234", |
| "OK", true); |
| |
| // The GDB layer doesn't care that the number of tags != |
| // the length of the write. |
| check_Qmemtags(client, server, 0x4321, 0x20, 9, std::vector<uint8_t>{}, |
| "QMemTags:4321,20:9:", "OK", true); |
| |
| check_Qmemtags(client, server, 0x8877, 0x123, 0x34, |
| std::vector<uint8_t>{0x55, 0x66, 0x77}, |
| "QMemTags:8877,123:34:556677", "E01", false); |
| |
| // Type is a signed integer but is packed as its raw bytes, |
| // instead of having a +/-. |
| check_Qmemtags(client, server, 0x456789, 0, -1, std::vector<uint8_t>{0x99}, |
| "QMemTags:456789,0:ffffffff:99", "E03", false); |
| check_Qmemtags(client, server, 0x456789, 0, |
| std::numeric_limits<int32_t>::max(), |
| std::vector<uint8_t>{0x99}, "QMemTags:456789,0:7fffffff:99", |
| "E03", false); |
| check_Qmemtags(client, server, 0x456789, 0, |
| std::numeric_limits<int32_t>::min(), |
| std::vector<uint8_t>{0x99}, "QMemTags:456789,0:80000000:99", |
| "E03", false); |
| } |