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