1 //===-- PlatformRemoteGDBServer.cpp -----------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "lldb/lldb-python.h" 11 12 #include "PlatformRemoteGDBServer.h" 13 #include "lldb/Host/Config.h" 14 15 // C++ Includes 16 // Other libraries and framework includes 17 // Project includes 18 #include "lldb/Breakpoint/BreakpointLocation.h" 19 #include "lldb/Core/Debugger.h" 20 #include "lldb/Core/Error.h" 21 #include "lldb/Core/Log.h" 22 #include "lldb/Core/Module.h" 23 #include "lldb/Core/ModuleList.h" 24 #include "lldb/Core/ModuleSpec.h" 25 #include "lldb/Core/PluginManager.h" 26 #include "lldb/Core/StreamString.h" 27 #include "lldb/Host/ConnectionFileDescriptor.h" 28 #include "lldb/Host/FileSpec.h" 29 #include "lldb/Host/Host.h" 30 #include "lldb/Target/Process.h" 31 #include "lldb/Target/Target.h" 32 33 #include "Utility/UriParser.h" 34 35 using namespace lldb; 36 using namespace lldb_private; 37 38 static bool g_initialized = false; 39 40 void 41 PlatformRemoteGDBServer::Initialize () 42 { 43 if (g_initialized == false) 44 { 45 g_initialized = true; 46 PluginManager::RegisterPlugin (PlatformRemoteGDBServer::GetPluginNameStatic(), 47 PlatformRemoteGDBServer::GetDescriptionStatic(), 48 PlatformRemoteGDBServer::CreateInstance); 49 } 50 } 51 52 void 53 PlatformRemoteGDBServer::Terminate () 54 { 55 if (g_initialized) 56 { 57 g_initialized = false; 58 PluginManager::UnregisterPlugin (PlatformRemoteGDBServer::CreateInstance); 59 } 60 } 61 62 PlatformSP 63 PlatformRemoteGDBServer::CreateInstance (bool force, const lldb_private::ArchSpec *arch) 64 { 65 bool create = force; 66 if (!create) 67 { 68 create = !arch->TripleVendorWasSpecified() && !arch->TripleOSWasSpecified(); 69 } 70 if (create) 71 return PlatformSP(new PlatformRemoteGDBServer()); 72 return PlatformSP(); 73 } 74 75 76 lldb_private::ConstString 77 PlatformRemoteGDBServer::GetPluginNameStatic() 78 { 79 static ConstString g_name("remote-gdb-server"); 80 return g_name; 81 } 82 83 const char * 84 PlatformRemoteGDBServer::GetDescriptionStatic() 85 { 86 return "A platform that uses the GDB remote protocol as the communication transport."; 87 } 88 89 const char * 90 PlatformRemoteGDBServer::GetDescription () 91 { 92 if (m_platform_description.empty()) 93 { 94 if (IsConnected()) 95 { 96 // Send the get description packet 97 } 98 } 99 100 if (!m_platform_description.empty()) 101 return m_platform_description.c_str(); 102 return GetDescriptionStatic(); 103 } 104 105 Error 106 PlatformRemoteGDBServer::ResolveExecutable (const ModuleSpec &module_spec, 107 lldb::ModuleSP &exe_module_sp, 108 const FileSpecList *module_search_paths_ptr) 109 { 110 // copied from PlatformRemoteiOS 111 112 Error error; 113 // Nothing special to do here, just use the actual file and architecture 114 115 ModuleSpec resolved_module_spec(module_spec); 116 117 // Resolve any executable within an apk on Android? 118 //Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec()); 119 120 if (resolved_module_spec.GetFileSpec().Exists()) 121 { 122 if (resolved_module_spec.GetArchitecture().IsValid() || resolved_module_spec.GetUUID().IsValid()) 123 { 124 error = ModuleList::GetSharedModule (resolved_module_spec, 125 exe_module_sp, 126 NULL, 127 NULL, 128 NULL); 129 130 if (exe_module_sp && exe_module_sp->GetObjectFile()) 131 return error; 132 exe_module_sp.reset(); 133 } 134 // No valid architecture was specified or the exact arch wasn't 135 // found so ask the platform for the architectures that we should be 136 // using (in the correct order) and see if we can find a match that way 137 StreamString arch_names; 138 for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx) 139 { 140 error = ModuleList::GetSharedModule (resolved_module_spec, 141 exe_module_sp, 142 NULL, 143 NULL, 144 NULL); 145 // Did we find an executable using one of the 146 if (error.Success()) 147 { 148 if (exe_module_sp && exe_module_sp->GetObjectFile()) 149 break; 150 else 151 error.SetErrorToGenericError(); 152 } 153 154 if (idx > 0) 155 arch_names.PutCString (", "); 156 arch_names.PutCString (resolved_module_spec.GetArchitecture().GetArchitectureName()); 157 } 158 159 if (error.Fail() || !exe_module_sp) 160 { 161 if (resolved_module_spec.GetFileSpec().Readable()) 162 { 163 error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s", 164 resolved_module_spec.GetFileSpec().GetPath().c_str(), 165 GetPluginName().GetCString(), 166 arch_names.GetString().c_str()); 167 } 168 else 169 { 170 error.SetErrorStringWithFormat("'%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str()); 171 } 172 } 173 } 174 else 175 { 176 error.SetErrorStringWithFormat ("'%s' does not exist", 177 resolved_module_spec.GetFileSpec().GetPath().c_str()); 178 } 179 180 return error; 181 } 182 183 Error 184 PlatformRemoteGDBServer::GetFileWithUUID (const FileSpec &platform_file, 185 const UUID *uuid_ptr, 186 FileSpec &local_file) 187 { 188 // Default to the local case 189 local_file = platform_file; 190 return Error(); 191 } 192 193 //------------------------------------------------------------------ 194 /// Default Constructor 195 //------------------------------------------------------------------ 196 PlatformRemoteGDBServer::PlatformRemoteGDBServer () : 197 Platform(false), // This is a remote platform 198 m_gdb_client(true) 199 { 200 } 201 202 //------------------------------------------------------------------ 203 /// Destructor. 204 /// 205 /// The destructor is virtual since this class is designed to be 206 /// inherited from by the plug-in instance. 207 //------------------------------------------------------------------ 208 PlatformRemoteGDBServer::~PlatformRemoteGDBServer() 209 { 210 } 211 212 bool 213 PlatformRemoteGDBServer::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch) 214 { 215 ArchSpec remote_arch = m_gdb_client.GetSystemArchitecture(); 216 217 // TODO: 64 bit systems should also advertize support for 32 bit arch 218 // unknown CPU, we just support the one arch 219 if (idx == 0) 220 { 221 arch = remote_arch; 222 return true; 223 } 224 return false; 225 } 226 227 size_t 228 PlatformRemoteGDBServer::GetSoftwareBreakpointTrapOpcode (Target &target, BreakpointSite *bp_site) 229 { 230 // This isn't needed if the z/Z packets are supported in the GDB remote 231 // server. But we might need a packet to detect this. 232 return 0; 233 } 234 235 bool 236 PlatformRemoteGDBServer::GetRemoteOSVersion () 237 { 238 uint32_t major, minor, update; 239 if (m_gdb_client.GetOSVersion (major, minor, update)) 240 { 241 m_major_os_version = major; 242 m_minor_os_version = minor; 243 m_update_os_version = update; 244 return true; 245 } 246 return false; 247 } 248 249 bool 250 PlatformRemoteGDBServer::GetRemoteOSBuildString (std::string &s) 251 { 252 return m_gdb_client.GetOSBuildString (s); 253 } 254 255 bool 256 PlatformRemoteGDBServer::GetRemoteOSKernelDescription (std::string &s) 257 { 258 return m_gdb_client.GetOSKernelDescription (s); 259 } 260 261 // Remote Platform subclasses need to override this function 262 ArchSpec 263 PlatformRemoteGDBServer::GetRemoteSystemArchitecture () 264 { 265 return m_gdb_client.GetSystemArchitecture(); 266 } 267 268 lldb_private::ConstString 269 PlatformRemoteGDBServer::GetRemoteWorkingDirectory() 270 { 271 if (IsConnected()) 272 { 273 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 274 std::string cwd; 275 if (m_gdb_client.GetWorkingDir(cwd)) 276 { 277 ConstString working_dir(cwd.c_str()); 278 if (log) 279 log->Printf("PlatformRemoteGDBServer::GetRemoteWorkingDirectory() -> '%s'", working_dir.GetCString()); 280 return working_dir; 281 } 282 else 283 { 284 return ConstString(); 285 } 286 } 287 else 288 { 289 return Platform::GetRemoteWorkingDirectory(); 290 } 291 } 292 293 bool 294 PlatformRemoteGDBServer::SetRemoteWorkingDirectory(const lldb_private::ConstString &path) 295 { 296 if (IsConnected()) 297 { 298 // Clear the working directory it case it doesn't get set correctly. This will 299 // for use to re-read it 300 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 301 if (log) 302 log->Printf("PlatformRemoteGDBServer::SetRemoteWorkingDirectory('%s')", path.GetCString()); 303 return m_gdb_client.SetWorkingDir(path.GetCString()) == 0; 304 } 305 else 306 return Platform::SetRemoteWorkingDirectory(path); 307 } 308 309 bool 310 PlatformRemoteGDBServer::IsConnected () const 311 { 312 return m_gdb_client.IsConnected(); 313 } 314 315 Error 316 PlatformRemoteGDBServer::ConnectRemote (Args& args) 317 { 318 Error error; 319 if (IsConnected()) 320 { 321 error.SetErrorStringWithFormat ("the platform is already connected to '%s', execute 'platform disconnect' to close the current connection", 322 GetHostname()); 323 } 324 else 325 { 326 if (args.GetArgumentCount() == 1) 327 { 328 const char *url = args.GetArgumentAtIndex(0); 329 m_gdb_client.SetConnection (new ConnectionFileDescriptor()); 330 331 // we're going to reuse the hostname when we connect to the debugserver 332 std::string scheme; 333 int port; 334 std::string path; 335 if ( !UriParser::Parse(url, scheme, m_platform_hostname, port, path) ) 336 { 337 error.SetErrorString("invalid uri"); 338 return error; 339 } 340 341 const ConnectionStatus status = m_gdb_client.Connect(url, &error); 342 if (status == eConnectionStatusSuccess) 343 { 344 if (m_gdb_client.HandshakeWithServer(&error)) 345 { 346 m_gdb_client.GetHostInfo(); 347 // If a working directory was set prior to connecting, send it down now 348 if (m_working_dir) 349 m_gdb_client.SetWorkingDir(m_working_dir.GetCString()); 350 } 351 else 352 { 353 m_gdb_client.Disconnect(); 354 if (error.Success()) 355 error.SetErrorString("handshake failed"); 356 } 357 } 358 } 359 else 360 { 361 error.SetErrorString ("\"platform connect\" takes a single argument: <connect-url>"); 362 } 363 } 364 365 return error; 366 } 367 368 Error 369 PlatformRemoteGDBServer::DisconnectRemote () 370 { 371 Error error; 372 m_gdb_client.Disconnect(&error); 373 return error; 374 } 375 376 const char * 377 PlatformRemoteGDBServer::GetHostname () 378 { 379 m_gdb_client.GetHostname (m_name); 380 if (m_name.empty()) 381 return NULL; 382 return m_name.c_str(); 383 } 384 385 const char * 386 PlatformRemoteGDBServer::GetUserName (uint32_t uid) 387 { 388 // Try and get a cache user name first 389 const char *cached_user_name = Platform::GetUserName(uid); 390 if (cached_user_name) 391 return cached_user_name; 392 std::string name; 393 if (m_gdb_client.GetUserName(uid, name)) 394 return SetCachedUserName(uid, name.c_str(), name.size()); 395 396 SetUserNameNotFound(uid); // Negative cache so we don't keep sending packets 397 return NULL; 398 } 399 400 const char * 401 PlatformRemoteGDBServer::GetGroupName (uint32_t gid) 402 { 403 const char *cached_group_name = Platform::GetGroupName(gid); 404 if (cached_group_name) 405 return cached_group_name; 406 std::string name; 407 if (m_gdb_client.GetGroupName(gid, name)) 408 return SetCachedGroupName(gid, name.c_str(), name.size()); 409 410 SetGroupNameNotFound(gid); // Negative cache so we don't keep sending packets 411 return NULL; 412 } 413 414 uint32_t 415 PlatformRemoteGDBServer::FindProcesses (const ProcessInstanceInfoMatch &match_info, 416 ProcessInstanceInfoList &process_infos) 417 { 418 return m_gdb_client.FindProcesses (match_info, process_infos); 419 } 420 421 bool 422 PlatformRemoteGDBServer::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) 423 { 424 return m_gdb_client.GetProcessInfo (pid, process_info); 425 } 426 427 428 Error 429 PlatformRemoteGDBServer::LaunchProcess (ProcessLaunchInfo &launch_info) 430 { 431 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PLATFORM)); 432 Error error; 433 434 if (log) 435 log->Printf ("PlatformRemoteGDBServer::%s() called", __FUNCTION__); 436 437 auto num_file_actions = launch_info.GetNumFileActions (); 438 for (decltype(num_file_actions) i = 0; i < num_file_actions; ++i) 439 { 440 const auto file_action = launch_info.GetFileActionAtIndex (i); 441 if (file_action->GetAction () != FileAction::eFileActionOpen) 442 continue; 443 switch(file_action->GetFD()) 444 { 445 case STDIN_FILENO: 446 m_gdb_client.SetSTDIN (file_action->GetPath()); 447 break; 448 case STDOUT_FILENO: 449 m_gdb_client.SetSTDOUT (file_action->GetPath()); 450 break; 451 case STDERR_FILENO: 452 m_gdb_client.SetSTDERR (file_action->GetPath()); 453 break; 454 } 455 } 456 457 m_gdb_client.SetDisableASLR (launch_info.GetFlags().Test (eLaunchFlagDisableASLR)); 458 m_gdb_client.SetDetachOnError (launch_info.GetFlags().Test (eLaunchFlagDetachOnError)); 459 460 const char *working_dir = launch_info.GetWorkingDirectory(); 461 if (working_dir && working_dir[0]) 462 { 463 m_gdb_client.SetWorkingDir (working_dir); 464 } 465 466 // Send the environment and the program + arguments after we connect 467 const char **envp = launch_info.GetEnvironmentEntries().GetConstArgumentVector(); 468 469 if (envp) 470 { 471 const char *env_entry; 472 for (int i=0; (env_entry = envp[i]); ++i) 473 { 474 if (m_gdb_client.SendEnvironmentPacket(env_entry) != 0) 475 break; 476 } 477 } 478 479 ArchSpec arch_spec = launch_info.GetArchitecture(); 480 const char *arch_triple = arch_spec.GetTriple().str().c_str(); 481 482 m_gdb_client.SendLaunchArchPacket(arch_triple); 483 if (log) 484 log->Printf ("PlatformRemoteGDBServer::%s() set launch architecture triple to '%s'", __FUNCTION__, arch_triple ? arch_triple : "<NULL>"); 485 486 const uint32_t old_packet_timeout = m_gdb_client.SetPacketTimeout (5); 487 int arg_packet_err = m_gdb_client.SendArgumentsPacket (launch_info); 488 m_gdb_client.SetPacketTimeout (old_packet_timeout); 489 if (arg_packet_err == 0) 490 { 491 std::string error_str; 492 if (m_gdb_client.GetLaunchSuccess (error_str)) 493 { 494 const auto pid = m_gdb_client.GetCurrentProcessID (false); 495 if (pid != LLDB_INVALID_PROCESS_ID) 496 { 497 launch_info.SetProcessID (pid); 498 if (log) 499 log->Printf ("PlatformRemoteGDBServer::%s() pid %" PRIu64 " launched successfully", __FUNCTION__, pid); 500 } 501 else 502 { 503 if (log) 504 log->Printf ("PlatformRemoteGDBServer::%s() launch succeeded but we didn't get a valid process id back!", __FUNCTION__); 505 error.SetErrorString ("failed to get PID"); 506 } 507 } 508 else 509 { 510 error.SetErrorString (error_str.c_str()); 511 if (log) 512 log->Printf ("PlatformRemoteGDBServer::%s() launch failed: %s", __FUNCTION__, error.AsCString ()); 513 } 514 } 515 else 516 { 517 error.SetErrorStringWithFormat("'A' packet returned an error: %i", arg_packet_err); 518 } 519 return error; 520 } 521 522 Error 523 PlatformRemoteGDBServer::KillProcess (const lldb::pid_t pid) 524 { 525 if (!m_gdb_client.KillSpawnedProcess(pid)) 526 return Error("failed to kill remote spawned process"); 527 return Error(); 528 } 529 530 lldb::ProcessSP 531 PlatformRemoteGDBServer::DebugProcess (lldb_private::ProcessLaunchInfo &launch_info, 532 lldb_private::Debugger &debugger, 533 lldb_private::Target *target, // Can be NULL, if NULL create a new target, else use existing one 534 lldb_private::Error &error) 535 { 536 lldb::ProcessSP process_sp; 537 if (IsRemote()) 538 { 539 if (IsConnected()) 540 { 541 lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; 542 ArchSpec remote_arch = GetRemoteSystemArchitecture(); 543 llvm::Triple &remote_triple = remote_arch.GetTriple(); 544 uint16_t port = 0; 545 if (remote_triple.getVendor() == llvm::Triple::Apple && remote_triple.getOS() == llvm::Triple::IOS) 546 { 547 // When remote debugging to iOS, we use a USB mux that always talks 548 // to localhost, so we will need the remote debugserver to accept connections 549 // only from localhost, no matter what our current hostname is 550 port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, "127.0.0.1"); 551 } 552 else 553 { 554 // All other hosts should use their actual hostname 555 port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, NULL); 556 } 557 558 if (port == 0) 559 { 560 error.SetErrorStringWithFormat ("unable to launch a GDB server on '%s'", GetHostname ()); 561 } 562 else 563 { 564 if (target == NULL) 565 { 566 TargetSP new_target_sp; 567 568 error = debugger.GetTargetList().CreateTarget (debugger, 569 NULL, 570 NULL, 571 false, 572 NULL, 573 new_target_sp); 574 target = new_target_sp.get(); 575 } 576 else 577 error.Clear(); 578 579 if (target && error.Success()) 580 { 581 debugger.GetTargetList().SetSelectedTarget(target); 582 583 // The darwin always currently uses the GDB remote debugger plug-in 584 // so even when debugging locally we are debugging remotely! 585 process_sp = target->CreateProcess (launch_info.GetListenerForProcess(debugger), "gdb-remote", NULL); 586 587 if (process_sp) 588 { 589 char connect_url[256]; 590 const char *override_hostname = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_HOSTNAME"); 591 const char *port_offset_c_str = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_PORT_OFFSET"); 592 int port_offset = port_offset_c_str ? ::atoi(port_offset_c_str) : 0; 593 const int connect_url_len = ::snprintf (connect_url, 594 sizeof(connect_url), 595 "connect://%s:%u", 596 override_hostname ? override_hostname : m_platform_hostname.c_str(), 597 port + port_offset); 598 assert (connect_url_len < (int)sizeof(connect_url)); 599 error = process_sp->ConnectRemote (NULL, connect_url); 600 // Retry the connect remote one time... 601 if (error.Fail()) 602 error = process_sp->ConnectRemote (NULL, connect_url); 603 if (error.Success()) 604 error = process_sp->Launch(launch_info); 605 else if (debugserver_pid != LLDB_INVALID_PROCESS_ID) 606 { 607 printf ("error: connect remote failed (%s)\n", error.AsCString()); 608 m_gdb_client.KillSpawnedProcess(debugserver_pid); 609 } 610 } 611 } 612 } 613 } 614 else 615 { 616 error.SetErrorString("not connected to remote gdb server"); 617 } 618 } 619 return process_sp; 620 621 } 622 623 lldb::ProcessSP 624 PlatformRemoteGDBServer::Attach (lldb_private::ProcessAttachInfo &attach_info, 625 Debugger &debugger, 626 Target *target, // Can be NULL, if NULL create a new target, else use existing one 627 Error &error) 628 { 629 lldb::ProcessSP process_sp; 630 if (IsRemote()) 631 { 632 if (IsConnected()) 633 { 634 lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; 635 ArchSpec remote_arch = GetRemoteSystemArchitecture(); 636 llvm::Triple &remote_triple = remote_arch.GetTriple(); 637 uint16_t port = 0; 638 if (remote_triple.getVendor() == llvm::Triple::Apple && remote_triple.getOS() == llvm::Triple::IOS) 639 { 640 // When remote debugging to iOS, we use a USB mux that always talks 641 // to localhost, so we will need the remote debugserver to accept connections 642 // only from localhost, no matter what our current hostname is 643 port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, "127.0.0.1"); 644 } 645 else 646 { 647 // All other hosts should use their actual hostname 648 port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, NULL); 649 } 650 651 if (port == 0) 652 { 653 error.SetErrorStringWithFormat ("unable to launch a GDB server on '%s'", GetHostname ()); 654 } 655 else 656 { 657 if (target == NULL) 658 { 659 TargetSP new_target_sp; 660 661 error = debugger.GetTargetList().CreateTarget (debugger, 662 NULL, 663 NULL, 664 false, 665 NULL, 666 new_target_sp); 667 target = new_target_sp.get(); 668 } 669 else 670 error.Clear(); 671 672 if (target && error.Success()) 673 { 674 debugger.GetTargetList().SetSelectedTarget(target); 675 676 // The darwin always currently uses the GDB remote debugger plug-in 677 // so even when debugging locally we are debugging remotely! 678 process_sp = target->CreateProcess (attach_info.GetListenerForProcess(debugger), "gdb-remote", NULL); 679 680 if (process_sp) 681 { 682 char connect_url[256]; 683 const char *override_hostname = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_HOSTNAME"); 684 const char *port_offset_c_str = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_PORT_OFFSET"); 685 int port_offset = port_offset_c_str ? ::atoi(port_offset_c_str) : 0; 686 const int connect_url_len = ::snprintf (connect_url, 687 sizeof(connect_url), 688 "connect://%s:%u", 689 override_hostname ? override_hostname : m_platform_hostname.c_str(), 690 port + port_offset); 691 assert (connect_url_len < (int)sizeof(connect_url)); 692 error = process_sp->ConnectRemote(nullptr, connect_url); 693 if (error.Success()) 694 { 695 auto listener = attach_info.GetHijackListener(); 696 if (listener != nullptr) 697 process_sp->HijackProcessEvents(listener.get()); 698 error = process_sp->Attach(attach_info); 699 } 700 701 if (error.Fail() && debugserver_pid != LLDB_INVALID_PROCESS_ID) 702 { 703 m_gdb_client.KillSpawnedProcess(debugserver_pid); 704 } 705 } 706 } 707 } 708 } 709 else 710 { 711 error.SetErrorString("not connected to remote gdb server"); 712 } 713 } 714 return process_sp; 715 } 716 717 Error 718 PlatformRemoteGDBServer::MakeDirectory (const char *path, uint32_t mode) 719 { 720 Error error = m_gdb_client.MakeDirectory(path,mode); 721 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 722 if (log) 723 log->Printf ("PlatformRemoteGDBServer::MakeDirectory(path='%s', mode=%o) error = %u (%s)", path, mode, error.GetError(), error.AsCString()); 724 return error; 725 } 726 727 728 Error 729 PlatformRemoteGDBServer::GetFilePermissions (const char *path, uint32_t &file_permissions) 730 { 731 Error error = m_gdb_client.GetFilePermissions(path, file_permissions); 732 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 733 if (log) 734 log->Printf ("PlatformRemoteGDBServer::GetFilePermissions(path='%s', file_permissions=%o) error = %u (%s)", path, file_permissions, error.GetError(), error.AsCString()); 735 return error; 736 } 737 738 Error 739 PlatformRemoteGDBServer::SetFilePermissions (const char *path, uint32_t file_permissions) 740 { 741 Error error = m_gdb_client.SetFilePermissions(path, file_permissions); 742 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 743 if (log) 744 log->Printf ("PlatformRemoteGDBServer::SetFilePermissions(path='%s', file_permissions=%o) error = %u (%s)", path, file_permissions, error.GetError(), error.AsCString()); 745 return error; 746 } 747 748 749 lldb::user_id_t 750 PlatformRemoteGDBServer::OpenFile (const lldb_private::FileSpec& file_spec, 751 uint32_t flags, 752 uint32_t mode, 753 Error &error) 754 { 755 return m_gdb_client.OpenFile (file_spec, flags, mode, error); 756 } 757 758 bool 759 PlatformRemoteGDBServer::CloseFile (lldb::user_id_t fd, Error &error) 760 { 761 return m_gdb_client.CloseFile (fd, error); 762 } 763 764 lldb::user_id_t 765 PlatformRemoteGDBServer::GetFileSize (const lldb_private::FileSpec& file_spec) 766 { 767 return m_gdb_client.GetFileSize(file_spec); 768 } 769 770 uint64_t 771 PlatformRemoteGDBServer::ReadFile (lldb::user_id_t fd, 772 uint64_t offset, 773 void *dst, 774 uint64_t dst_len, 775 Error &error) 776 { 777 return m_gdb_client.ReadFile (fd, offset, dst, dst_len, error); 778 } 779 780 uint64_t 781 PlatformRemoteGDBServer::WriteFile (lldb::user_id_t fd, 782 uint64_t offset, 783 const void* src, 784 uint64_t src_len, 785 Error &error) 786 { 787 return m_gdb_client.WriteFile (fd, offset, src, src_len, error); 788 } 789 790 lldb_private::Error 791 PlatformRemoteGDBServer::PutFile (const lldb_private::FileSpec& source, 792 const lldb_private::FileSpec& destination, 793 uint32_t uid, 794 uint32_t gid) 795 { 796 return Platform::PutFile(source,destination,uid,gid); 797 } 798 799 Error 800 PlatformRemoteGDBServer::CreateSymlink (const char *src, // The name of the link is in src 801 const char *dst) // The symlink points to dst 802 { 803 Error error = m_gdb_client.CreateSymlink (src, dst); 804 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 805 if (log) 806 log->Printf ("PlatformRemoteGDBServer::CreateSymlink(src='%s', dst='%s') error = %u (%s)", src, dst, error.GetError(), error.AsCString()); 807 return error; 808 } 809 810 Error 811 PlatformRemoteGDBServer::Unlink (const char *path) 812 { 813 Error error = m_gdb_client.Unlink (path); 814 Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); 815 if (log) 816 log->Printf ("PlatformRemoteGDBServer::Unlink(path='%s') error = %u (%s)", path, error.GetError(), error.AsCString()); 817 return error; 818 } 819 820 bool 821 PlatformRemoteGDBServer::GetFileExists (const lldb_private::FileSpec& file_spec) 822 { 823 return m_gdb_client.GetFileExists (file_spec); 824 } 825 826 lldb_private::Error 827 PlatformRemoteGDBServer::RunShellCommand (const char *command, // Shouldn't be NULL 828 const char *working_dir, // Pass NULL to use the current working directory 829 int *status_ptr, // Pass NULL if you don't want the process exit status 830 int *signo_ptr, // Pass NULL if you don't want the signal that caused the process to exit 831 std::string *command_output, // Pass NULL if you don't want the command output 832 uint32_t timeout_sec) // Timeout in seconds to wait for shell program to finish 833 { 834 return m_gdb_client.RunShellCommand (command, working_dir, status_ptr, signo_ptr, command_output, timeout_sec); 835 } 836 837 void 838 PlatformRemoteGDBServer::CalculateTrapHandlerSymbolNames () 839 { 840 m_trap_handlers.push_back (ConstString ("_sigtramp")); 841 } 842