1 //===-- GDBRemoteCommunicationClientTest.cpp ------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 #include "Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h" 9 #include "GDBRemoteTestUtils.h" 10 #include "lldb/Core/ModuleSpec.h" 11 #include "lldb/Host/XML.h" 12 #include "lldb/Target/MemoryRegionInfo.h" 13 #include "lldb/Utility/DataBuffer.h" 14 #include "lldb/Utility/StructuredData.h" 15 #include "lldb/Utility/TraceOptions.h" 16 #include "lldb/lldb-enumerations.h" 17 #include "llvm/ADT/ArrayRef.h" 18 #include "llvm/Testing/Support/Error.h" 19 #include "gmock/gmock.h" 20 #include <future> 21 22 using namespace lldb_private::process_gdb_remote; 23 using namespace lldb_private; 24 using namespace lldb; 25 using namespace llvm; 26 27 namespace { 28 29 typedef GDBRemoteCommunication::PacketResult PacketResult; 30 31 struct TestClient : public GDBRemoteCommunicationClient { 32 TestClient() { m_send_acks = false; } 33 }; 34 35 void Handle_QThreadSuffixSupported(MockServer &server, bool supported) { 36 StringExtractorGDBRemote request; 37 ASSERT_EQ(PacketResult::Success, server.GetPacket(request)); 38 ASSERT_EQ("QThreadSuffixSupported", request.GetStringRef()); 39 if (supported) 40 ASSERT_EQ(PacketResult::Success, server.SendOKResponse()); 41 else 42 ASSERT_EQ(PacketResult::Success, server.SendUnimplementedResponse(nullptr)); 43 } 44 45 void HandlePacket(MockServer &server, 46 const testing::Matcher<const std::string &> &expected, 47 StringRef response) { 48 StringExtractorGDBRemote request; 49 ASSERT_EQ(PacketResult::Success, server.GetPacket(request)); 50 ASSERT_THAT(std::string(request.GetStringRef()), expected); 51 ASSERT_EQ(PacketResult::Success, server.SendPacket(response)); 52 } 53 54 uint8_t all_registers[] = {'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 55 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'}; 56 std::string all_registers_hex = "404142434445464748494a4b4c4d4e4f"; 57 uint8_t one_register[] = {'A', 'B', 'C', 'D'}; 58 std::string one_register_hex = "41424344"; 59 60 } // end anonymous namespace 61 62 class GDBRemoteCommunicationClientTest : public GDBRemoteTest { 63 public: 64 void SetUp() override { 65 ASSERT_THAT_ERROR(GDBRemoteCommunication::ConnectLocally(client, server), 66 llvm::Succeeded()); 67 } 68 69 protected: 70 TestClient client; 71 MockServer server; 72 }; 73 74 TEST_F(GDBRemoteCommunicationClientTest, WriteRegister) { 75 const lldb::tid_t tid = 0x47; 76 const uint32_t reg_num = 4; 77 std::future<bool> write_result = std::async(std::launch::async, [&] { 78 return client.WriteRegister(tid, reg_num, one_register); 79 }); 80 81 Handle_QThreadSuffixSupported(server, true); 82 83 HandlePacket(server, "P4=" + one_register_hex + ";thread:0047;", "OK"); 84 ASSERT_TRUE(write_result.get()); 85 86 write_result = std::async(std::launch::async, [&] { 87 return client.WriteAllRegisters(tid, all_registers); 88 }); 89 90 HandlePacket(server, "G" + all_registers_hex + ";thread:0047;", "OK"); 91 ASSERT_TRUE(write_result.get()); 92 } 93 94 TEST_F(GDBRemoteCommunicationClientTest, WriteRegisterNoSuffix) { 95 const lldb::tid_t tid = 0x47; 96 const uint32_t reg_num = 4; 97 std::future<bool> write_result = std::async(std::launch::async, [&] { 98 return client.WriteRegister(tid, reg_num, one_register); 99 }); 100 101 Handle_QThreadSuffixSupported(server, false); 102 HandlePacket(server, "Hg47", "OK"); 103 HandlePacket(server, "P4=" + one_register_hex, "OK"); 104 ASSERT_TRUE(write_result.get()); 105 106 write_result = std::async(std::launch::async, [&] { 107 return client.WriteAllRegisters(tid, all_registers); 108 }); 109 110 HandlePacket(server, "G" + all_registers_hex, "OK"); 111 ASSERT_TRUE(write_result.get()); 112 } 113 114 TEST_F(GDBRemoteCommunicationClientTest, ReadRegister) { 115 const lldb::tid_t tid = 0x47; 116 const uint32_t reg_num = 4; 117 std::future<bool> async_result = std::async( 118 std::launch::async, [&] { return client.GetpPacketSupported(tid); }); 119 Handle_QThreadSuffixSupported(server, true); 120 HandlePacket(server, "p0;thread:0047;", one_register_hex); 121 ASSERT_TRUE(async_result.get()); 122 123 std::future<DataBufferSP> read_result = std::async( 124 std::launch::async, [&] { return client.ReadRegister(tid, reg_num); }); 125 HandlePacket(server, "p4;thread:0047;", "41424344"); 126 auto buffer_sp = read_result.get(); 127 ASSERT_TRUE(bool(buffer_sp)); 128 ASSERT_EQ(0, 129 memcmp(buffer_sp->GetBytes(), one_register, sizeof one_register)); 130 131 read_result = std::async(std::launch::async, 132 [&] { return client.ReadAllRegisters(tid); }); 133 HandlePacket(server, "g;thread:0047;", all_registers_hex); 134 buffer_sp = read_result.get(); 135 ASSERT_TRUE(bool(buffer_sp)); 136 ASSERT_EQ(0, 137 memcmp(buffer_sp->GetBytes(), all_registers, sizeof all_registers)); 138 } 139 140 TEST_F(GDBRemoteCommunicationClientTest, SaveRestoreRegistersNoSuffix) { 141 const lldb::tid_t tid = 0x47; 142 uint32_t save_id; 143 std::future<bool> async_result = std::async(std::launch::async, [&] { 144 return client.SaveRegisterState(tid, save_id); 145 }); 146 Handle_QThreadSuffixSupported(server, false); 147 HandlePacket(server, "Hg47", "OK"); 148 HandlePacket(server, "QSaveRegisterState", "1"); 149 ASSERT_TRUE(async_result.get()); 150 EXPECT_EQ(1u, save_id); 151 152 async_result = std::async(std::launch::async, [&] { 153 return client.RestoreRegisterState(tid, save_id); 154 }); 155 HandlePacket(server, "QRestoreRegisterState:1", "OK"); 156 ASSERT_TRUE(async_result.get()); 157 } 158 159 TEST_F(GDBRemoteCommunicationClientTest, SyncThreadState) { 160 const lldb::tid_t tid = 0x47; 161 std::future<bool> async_result = std::async( 162 std::launch::async, [&] { return client.SyncThreadState(tid); }); 163 HandlePacket(server, "qSyncThreadStateSupported", "OK"); 164 HandlePacket(server, "QSyncThreadState:0047;", "OK"); 165 ASSERT_TRUE(async_result.get()); 166 } 167 168 TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo) { 169 llvm::Triple triple("i386-pc-linux"); 170 171 FileSpec file_specs[] = { 172 FileSpec("/foo/bar.so", FileSpec::Style::posix), 173 FileSpec("/foo/baz.so", FileSpec::Style::posix), 174 175 // This is a bit dodgy but we currently depend on GetModulesInfo not 176 // performing denormalization. It can go away once the users 177 // (DynamicLoaderPOSIXDYLD, at least) correctly set the path syntax for 178 // the FileSpecs they create. 179 FileSpec("/foo/baw.so", FileSpec::Style::windows), 180 }; 181 std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = 182 std::async(std::launch::async, 183 [&] { return client.GetModulesInfo(file_specs, triple); }); 184 HandlePacket( 185 server, "jModulesInfo:[" 186 R"({"file":"/foo/bar.so","triple":"i386-pc-linux"},)" 187 R"({"file":"/foo/baz.so","triple":"i386-pc-linux"},)" 188 R"({"file":"/foo/baw.so","triple":"i386-pc-linux"}])", 189 R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" 190 R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])"); 191 192 auto result = async_result.get(); 193 ASSERT_TRUE(result.hasValue()); 194 ASSERT_EQ(1u, result->size()); 195 EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath()); 196 EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple()); 197 EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNO", 16), 198 result.getValue()[0].GetUUID()); 199 EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset()); 200 EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize()); 201 } 202 203 TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo_UUID20) { 204 llvm::Triple triple("i386-pc-linux"); 205 206 FileSpec file_spec("/foo/bar.so", FileSpec::Style::posix); 207 std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = 208 std::async(std::launch::async, 209 [&] { return client.GetModulesInfo(file_spec, triple); }); 210 HandlePacket( 211 server, 212 "jModulesInfo:[" 213 R"({"file":"/foo/bar.so","triple":"i386-pc-linux"}])", 214 R"([{"uuid":"404142434445464748494a4b4c4d4e4f50515253","triple":"i386-pc-linux",)" 215 R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])"); 216 217 auto result = async_result.get(); 218 ASSERT_TRUE(result.hasValue()); 219 ASSERT_EQ(1u, result->size()); 220 EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath()); 221 EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple()); 222 EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNOPQRS", 20), 223 result.getValue()[0].GetUUID()); 224 EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset()); 225 EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize()); 226 } 227 228 TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfoInvalidResponse) { 229 llvm::Triple triple("i386-pc-linux"); 230 FileSpec file_spec("/foo/bar.so", FileSpec::Style::posix); 231 232 const char *invalid_responses[] = { 233 // no UUID 234 R"([{"triple":"i386-pc-linux",)" 235 R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", 236 // invalid UUID 237 R"([{"uuid":"XXXXXX","triple":"i386-pc-linux",)" 238 R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", 239 // no triple 240 R"([{"uuid":"404142434445464748494a4b4c4d4e4f",)" 241 R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])", 242 // no file_path 243 R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" 244 R"("file_offset":0,"file_size":1234}]])", 245 // no file_offset 246 R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" 247 R"("file_path":"/foo/bar.so","file_size":1234}]])", 248 // no file_size 249 R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)" 250 R"("file_path":"/foo/bar.so","file_offset":0}]])", 251 }; 252 253 for (const char *response : invalid_responses) { 254 std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result = 255 std::async(std::launch::async, 256 [&] { return client.GetModulesInfo(file_spec, triple); }); 257 HandlePacket( 258 server, 259 R"(jModulesInfo:[{"file":"/foo/bar.so","triple":"i386-pc-linux"}])", 260 response); 261 262 auto result = async_result.get(); 263 ASSERT_TRUE(result); 264 ASSERT_EQ(0u, result->size()) << "response was: " << response; 265 } 266 } 267 268 TEST_F(GDBRemoteCommunicationClientTest, TestPacketSpeedJSON) { 269 std::thread server_thread([this] { 270 for (;;) { 271 StringExtractorGDBRemote request; 272 PacketResult result = server.GetPacket(request); 273 if (result == PacketResult::ErrorDisconnected) 274 return; 275 ASSERT_EQ(PacketResult::Success, result); 276 StringRef ref = request.GetStringRef(); 277 ASSERT_TRUE(ref.consume_front("qSpeedTest:response_size:")); 278 int size; 279 ASSERT_FALSE(ref.consumeInteger(10, size)) << "ref: " << ref; 280 std::string response(size, 'X'); 281 ASSERT_EQ(PacketResult::Success, server.SendPacket(response)); 282 } 283 }); 284 285 StreamString ss; 286 client.TestPacketSpeed(10, 32, 32, 4096, true, ss); 287 client.Disconnect(); 288 server_thread.join(); 289 290 GTEST_LOG_(INFO) << "Formatted output: " << ss.GetData(); 291 auto object_sp = StructuredData::ParseJSON(std::string(ss.GetString())); 292 ASSERT_TRUE(bool(object_sp)); 293 auto dict_sp = object_sp->GetAsDictionary(); 294 ASSERT_TRUE(bool(dict_sp)); 295 296 object_sp = dict_sp->GetValueForKey("packet_speeds"); 297 ASSERT_TRUE(bool(object_sp)); 298 dict_sp = object_sp->GetAsDictionary(); 299 ASSERT_TRUE(bool(dict_sp)); 300 301 int num_packets; 302 ASSERT_TRUE(dict_sp->GetValueForKeyAsInteger("num_packets", num_packets)) 303 << ss.GetString(); 304 ASSERT_EQ(10, num_packets); 305 } 306 307 TEST_F(GDBRemoteCommunicationClientTest, SendSignalsToIgnore) { 308 std::future<Status> result = std::async(std::launch::async, [&] { 309 return client.SendSignalsToIgnore({2, 3, 5, 7, 0xB, 0xD, 0x11}); 310 }); 311 312 HandlePacket(server, "QPassSignals:02;03;05;07;0b;0d;11", "OK"); 313 EXPECT_TRUE(result.get().Success()); 314 315 result = std::async(std::launch::async, [&] { 316 return client.SendSignalsToIgnore(std::vector<int32_t>()); 317 }); 318 319 HandlePacket(server, "QPassSignals:", "OK"); 320 EXPECT_TRUE(result.get().Success()); 321 } 322 323 TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfo) { 324 const lldb::addr_t addr = 0xa000; 325 MemoryRegionInfo region_info; 326 std::future<Status> result = std::async(std::launch::async, [&] { 327 return client.GetMemoryRegionInfo(addr, region_info); 328 }); 329 330 HandlePacket(server, 331 "qMemoryRegionInfo:a000", 332 "start:a000;size:2000;permissions:rx;name:2f666f6f2f6261722e736f;"); 333 if (XMLDocument::XMLEnabled()) { 334 // In case we have XML support, this will also do a "qXfer:memory-map". 335 // Preceeded by a query for supported extensions. Pretend we don't support 336 // that. 337 HandlePacket(server, testing::StartsWith("qSupported:"), ""); 338 } 339 EXPECT_TRUE(result.get().Success()); 340 EXPECT_EQ(addr, region_info.GetRange().GetRangeBase()); 341 EXPECT_EQ(0x2000u, region_info.GetRange().GetByteSize()); 342 EXPECT_EQ(MemoryRegionInfo::eYes, region_info.GetReadable()); 343 EXPECT_EQ(MemoryRegionInfo::eNo, region_info.GetWritable()); 344 EXPECT_EQ(MemoryRegionInfo::eYes, region_info.GetExecutable()); 345 EXPECT_EQ("/foo/bar.so", region_info.GetName().GetStringRef()); 346 } 347 348 TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfoInvalidResponse) { 349 const lldb::addr_t addr = 0x4000; 350 MemoryRegionInfo region_info; 351 std::future<Status> result = std::async(std::launch::async, [&] { 352 return client.GetMemoryRegionInfo(addr, region_info); 353 }); 354 355 HandlePacket(server, "qMemoryRegionInfo:4000", "start:4000;size:0000;"); 356 if (XMLDocument::XMLEnabled()) { 357 // In case we have XML support, this will also do a "qXfer:memory-map". 358 // Preceeded by a query for supported extensions. Pretend we don't support 359 // that. 360 HandlePacket(server, testing::StartsWith("qSupported:"), ""); 361 } 362 EXPECT_FALSE(result.get().Success()); 363 } 364 365 TEST_F(GDBRemoteCommunicationClientTest, SendTraceSupportedTypePacket) { 366 // Success response 367 { 368 std::future<llvm::Expected<TraceTypeInfo>> result = std::async( 369 std::launch::async, [&] { return client.SendGetSupportedTraceType(); }); 370 371 HandlePacket( 372 server, "jLLDBTraceSupportedType", 373 R"({"name":"intel-pt","description":"Intel Processor Trace"}])"); 374 375 llvm::Expected<TraceTypeInfo> trace_type_or_err = result.get(); 376 EXPECT_THAT_EXPECTED(trace_type_or_err, llvm::Succeeded()); 377 ASSERT_STREQ(trace_type_or_err->name.c_str(), "intel-pt"); 378 ASSERT_STREQ(trace_type_or_err->description.c_str(), 379 "Intel Processor Trace"); 380 } 381 382 // Error response - wrong json 383 { 384 std::future<llvm::Expected<TraceTypeInfo>> result = std::async( 385 std::launch::async, [&] { return client.SendGetSupportedTraceType(); }); 386 387 HandlePacket(server, "jLLDBTraceSupportedType", R"({"type":"intel-pt"}])"); 388 389 llvm::Expected<TraceTypeInfo> trace_type_or_err = result.get(); 390 ASSERT_THAT_EXPECTED( 391 trace_type_or_err, 392 llvm::Failed<StringError>(testing::Property( 393 &StringError::getMessage, 394 testing::HasSubstr("missing value at (root).name")))); 395 } 396 397 // Error response 398 { 399 std::future<llvm::Expected<TraceTypeInfo>> result = std::async( 400 std::launch::async, [&] { return client.SendGetSupportedTraceType(); }); 401 402 HandlePacket(server, "jLLDBTraceSupportedType", "E23"); 403 llvm::Expected<TraceTypeInfo> trace_type_or_err = result.get(); 404 ASSERT_THAT_EXPECTED(trace_type_or_err, llvm::Failed()); 405 } 406 407 // Error response with error message 408 { 409 std::future<llvm::Expected<TraceTypeInfo>> result = std::async( 410 std::launch::async, [&] { return client.SendGetSupportedTraceType(); }); 411 412 HandlePacket(server, "jLLDBTraceSupportedType", 413 "E23;50726F63657373206E6F742072756E6E696E672E"); 414 llvm::Expected<TraceTypeInfo> trace_type_or_err = result.get(); 415 ASSERT_THAT_EXPECTED(trace_type_or_err, 416 llvm::Failed<StringError>(testing::Property( 417 &StringError::getMessage, 418 testing::HasSubstr("Process not running.")))); 419 } 420 } 421 422 TEST_F(GDBRemoteCommunicationClientTest, SendStartTracePacket) { 423 TraceOptions options; 424 Status error; 425 426 options.setType(lldb::TraceType::eTraceTypeProcessorTrace); 427 options.setMetaDataBufferSize(8192); 428 options.setTraceBufferSize(8192); 429 options.setThreadID(0x23); 430 431 StructuredData::DictionarySP custom_params = 432 std::make_shared<StructuredData::Dictionary>(); 433 custom_params->AddStringItem("tracetech", "intel-pt"); 434 custom_params->AddIntegerItem("psb", 0x01); 435 436 options.setTraceParams(custom_params); 437 438 std::future<lldb::user_id_t> result = std::async(std::launch::async, [&] { 439 return client.SendStartTracePacket(options, error); 440 }); 441 442 // Since the line is exceeding 80 characters. 443 std::string expected_packet1 = 444 R"(jTraceStart:{"buffersize":8192,"metabuffersize":8192,"params":)"; 445 std::string expected_packet2 = 446 R"({"psb":1,"tracetech":"intel-pt"},"threadid":35,"type":1})"; 447 HandlePacket(server, (expected_packet1 + expected_packet2), "1"); 448 ASSERT_TRUE(error.Success()); 449 ASSERT_EQ(result.get(), 1u); 450 451 error.Clear(); 452 result = std::async(std::launch::async, [&] { 453 return client.SendStartTracePacket(options, error); 454 }); 455 456 HandlePacket(server, (expected_packet1 + expected_packet2), "E23"); 457 ASSERT_EQ(result.get(), LLDB_INVALID_UID); 458 ASSERT_FALSE(error.Success()); 459 } 460 461 TEST_F(GDBRemoteCommunicationClientTest, SendStopTracePacket) { 462 lldb::tid_t thread_id = 0x23; 463 lldb::user_id_t trace_id = 3; 464 465 std::future<Status> result = std::async(std::launch::async, [&] { 466 return client.SendStopTracePacket(trace_id, thread_id); 467 }); 468 469 const char *expected_packet = R"(jTraceStop:{"threadid":35,"traceid":3})"; 470 HandlePacket(server, expected_packet, "OK"); 471 ASSERT_TRUE(result.get().Success()); 472 473 result = std::async(std::launch::async, [&] { 474 return client.SendStopTracePacket(trace_id, thread_id); 475 }); 476 477 HandlePacket(server, expected_packet, "E23"); 478 ASSERT_FALSE(result.get().Success()); 479 } 480 481 TEST_F(GDBRemoteCommunicationClientTest, SendGetDataPacket) { 482 lldb::tid_t thread_id = 0x23; 483 lldb::user_id_t trace_id = 3; 484 485 uint8_t buf[32] = {}; 486 llvm::MutableArrayRef<uint8_t> buffer(buf, 32); 487 size_t offset = 0; 488 489 std::future<Status> result = std::async(std::launch::async, [&] { 490 return client.SendGetDataPacket(trace_id, thread_id, buffer, offset); 491 }); 492 493 std::string expected_packet1 = 494 R"(jTraceBufferRead:{"buffersize":32,"offset":0,"threadid":35,)"; 495 std::string expected_packet2 = R"("traceid":3})"; 496 HandlePacket(server, expected_packet1+expected_packet2, "123456"); 497 ASSERT_TRUE(result.get().Success()); 498 ASSERT_EQ(buffer.size(), 3u); 499 ASSERT_EQ(buf[0], 0x12); 500 ASSERT_EQ(buf[1], 0x34); 501 ASSERT_EQ(buf[2], 0x56); 502 503 llvm::MutableArrayRef<uint8_t> buffer2(buf, 32); 504 result = std::async(std::launch::async, [&] { 505 return client.SendGetDataPacket(trace_id, thread_id, buffer2, offset); 506 }); 507 508 HandlePacket(server, expected_packet1+expected_packet2, "E23"); 509 ASSERT_FALSE(result.get().Success()); 510 ASSERT_EQ(buffer2.size(), 0u); 511 } 512 513 TEST_F(GDBRemoteCommunicationClientTest, SendGetMetaDataPacket) { 514 lldb::tid_t thread_id = 0x23; 515 lldb::user_id_t trace_id = 3; 516 517 uint8_t buf[32] = {}; 518 llvm::MutableArrayRef<uint8_t> buffer(buf, 32); 519 size_t offset = 0; 520 521 std::future<Status> result = std::async(std::launch::async, [&] { 522 return client.SendGetMetaDataPacket(trace_id, thread_id, buffer, offset); 523 }); 524 525 std::string expected_packet1 = 526 R"(jTraceMetaRead:{"buffersize":32,"offset":0,"threadid":35,)"; 527 std::string expected_packet2 = R"("traceid":3})"; 528 HandlePacket(server, expected_packet1+expected_packet2, "123456"); 529 ASSERT_TRUE(result.get().Success()); 530 ASSERT_EQ(buffer.size(), 3u); 531 ASSERT_EQ(buf[0], 0x12); 532 ASSERT_EQ(buf[1], 0x34); 533 ASSERT_EQ(buf[2], 0x56); 534 535 llvm::MutableArrayRef<uint8_t> buffer2(buf, 32); 536 result = std::async(std::launch::async, [&] { 537 return client.SendGetMetaDataPacket(trace_id, thread_id, buffer2, offset); 538 }); 539 540 HandlePacket(server, expected_packet1+expected_packet2, "E23"); 541 ASSERT_FALSE(result.get().Success()); 542 ASSERT_EQ(buffer2.size(), 0u); 543 } 544 545 TEST_F(GDBRemoteCommunicationClientTest, SendGetTraceConfigPacket) { 546 lldb::tid_t thread_id = 0x23; 547 lldb::user_id_t trace_id = 3; 548 TraceOptions options; 549 options.setThreadID(thread_id); 550 551 std::future<Status> result = std::async(std::launch::async, [&] { 552 return client.SendGetTraceConfigPacket(trace_id, options); 553 }); 554 555 const char *expected_packet = 556 R"(jTraceConfigRead:{"threadid":35,"traceid":3})"; 557 std::string response1 = 558 R"({"buffersize":8192,"params":{"psb":1,"tracetech":"intel-pt"})"; 559 std::string response2 = R"(],"metabuffersize":8192,"threadid":35,"type":1}])"; 560 HandlePacket(server, expected_packet, response1+response2); 561 ASSERT_TRUE(result.get().Success()); 562 ASSERT_EQ(options.getTraceBufferSize(), 8192u); 563 ASSERT_EQ(options.getMetaDataBufferSize(), 8192u); 564 ASSERT_EQ(options.getType(), 1); 565 566 auto custom_params = options.getTraceParams(); 567 568 uint64_t psb_value; 569 llvm::StringRef trace_tech_value; 570 571 ASSERT_TRUE(custom_params); 572 ASSERT_EQ(custom_params->GetType(), eStructuredDataTypeDictionary); 573 ASSERT_TRUE(custom_params->GetValueForKeyAsInteger("psb", psb_value)); 574 ASSERT_EQ(psb_value, 1u); 575 ASSERT_TRUE( 576 custom_params->GetValueForKeyAsString("tracetech", trace_tech_value)); 577 ASSERT_STREQ(trace_tech_value.data(), "intel-pt"); 578 579 // Checking error response. 580 std::future<Status> result2 = std::async(std::launch::async, [&] { 581 return client.SendGetTraceConfigPacket(trace_id, options); 582 }); 583 584 HandlePacket(server, expected_packet, "E23"); 585 ASSERT_FALSE(result2.get().Success()); 586 587 // Wrong JSON as response. 588 std::future<Status> result3 = std::async(std::launch::async, [&] { 589 return client.SendGetTraceConfigPacket(trace_id, options); 590 }); 591 592 std::string incorrect_json1 = 593 R"("buffersize" : 8192,"params" : {"psb" : 1,"tracetech" : "intel-pt"})"; 594 std::string incorrect_json2 = 595 R"(],"metabuffersize" : 8192,"threadid" : 35,"type" : 1}])"; 596 HandlePacket(server, expected_packet, incorrect_json1+incorrect_json2); 597 ASSERT_FALSE(result3.get().Success()); 598 599 // Wrong JSON as custom_params. 600 std::future<Status> result4 = std::async(std::launch::async, [&] { 601 return client.SendGetTraceConfigPacket(trace_id, options); 602 }); 603 604 std::string incorrect_custom_params1 = 605 R"({"buffersize" : 8192,"params" : "psb" : 1,"tracetech" : "intel-pt"})"; 606 std::string incorrect_custom_params2 = 607 R"(],"metabuffersize" : 8192,"threadid" : 35,"type" : 1}])"; 608 HandlePacket(server, expected_packet, incorrect_custom_params1+ 609 incorrect_custom_params2); 610 ASSERT_FALSE(result4.get().Success()); 611 } 612 613 TEST_F(GDBRemoteCommunicationClientTest, GetQOffsets) { 614 const auto &GetQOffsets = [&](llvm::StringRef response) { 615 std::future<Optional<QOffsets>> result = std::async( 616 std::launch::async, [&] { return client.GetQOffsets(); }); 617 618 HandlePacket(server, "qOffsets", response); 619 return result.get(); 620 }; 621 EXPECT_EQ((QOffsets{false, {0x1234, 0x1234}}), 622 GetQOffsets("Text=1234;Data=1234")); 623 EXPECT_EQ((QOffsets{false, {0x1234, 0x1234, 0x1234}}), 624 GetQOffsets("Text=1234;Data=1234;Bss=1234")); 625 EXPECT_EQ((QOffsets{true, {0x1234}}), GetQOffsets("TextSeg=1234")); 626 EXPECT_EQ((QOffsets{true, {0x1234, 0x2345}}), 627 GetQOffsets("TextSeg=1234;DataSeg=2345")); 628 629 EXPECT_EQ(llvm::None, GetQOffsets("E05")); 630 EXPECT_EQ(llvm::None, GetQOffsets("Text=bogus")); 631 EXPECT_EQ(llvm::None, GetQOffsets("Text=1234")); 632 EXPECT_EQ(llvm::None, GetQOffsets("Text=1234;Data=1234;")); 633 EXPECT_EQ(llvm::None, GetQOffsets("Text=1234;Data=1234;Bss=1234;")); 634 EXPECT_EQ(llvm::None, GetQOffsets("TEXTSEG=1234")); 635 EXPECT_EQ(llvm::None, GetQOffsets("TextSeg=0x1234")); 636 EXPECT_EQ(llvm::None, GetQOffsets("TextSeg=12345678123456789")); 637 } 638