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