DNB.cpp revision 0689f164af4e83dad8b48dc1248433f65a553f20
1//===-- DNB.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// Created by Greg Clayton on 3/23/07. 11// 12//===----------------------------------------------------------------------===// 13 14#include "DNB.h" 15#include <inttypes.h> 16#include <signal.h> 17#include <stdio.h> 18#include <stdlib.h> 19#include <sys/resource.h> 20#include <sys/stat.h> 21#include <sys/types.h> 22#include <sys/wait.h> 23#include <unistd.h> 24#include <sys/sysctl.h> 25#include <map> 26#include <vector> 27#include <libproc.h> 28 29#include "MacOSX/MachProcess.h" 30#include "MacOSX/MachTask.h" 31#include "CFString.h" 32#include "DNBLog.h" 33#include "DNBDataRef.h" 34#include "DNBThreadResumeActions.h" 35#include "DNBTimer.h" 36#include "CFBundle.h" 37 38 39typedef std::shared_ptr<MachProcess> MachProcessSP; 40typedef std::map<nub_process_t, MachProcessSP> ProcessMap; 41typedef ProcessMap::iterator ProcessMapIter; 42typedef ProcessMap::const_iterator ProcessMapConstIter; 43 44size_t GetAllInfos (std::vector<struct kinfo_proc>& proc_infos); 45static size_t GetAllInfosMatchingName (const char *process_name, std::vector<struct kinfo_proc>& matching_proc_infos); 46 47//---------------------------------------------------------------------- 48// A Thread safe singleton to get a process map pointer. 49// 50// Returns a pointer to the existing process map, or a pointer to a 51// newly created process map if CAN_CREATE is non-zero. 52//---------------------------------------------------------------------- 53static ProcessMap* 54GetProcessMap(bool can_create) 55{ 56 static ProcessMap* g_process_map_ptr = NULL; 57 58 if (can_create && g_process_map_ptr == NULL) 59 { 60 static pthread_mutex_t g_process_map_mutex = PTHREAD_MUTEX_INITIALIZER; 61 PTHREAD_MUTEX_LOCKER (locker, &g_process_map_mutex); 62 if (g_process_map_ptr == NULL) 63 g_process_map_ptr = new ProcessMap; 64 } 65 return g_process_map_ptr; 66} 67 68//---------------------------------------------------------------------- 69// Add PID to the shared process pointer map. 70// 71// Return non-zero value if we succeed in adding the process to the map. 72// The only time this should fail is if we run out of memory and can't 73// allocate a ProcessMap. 74//---------------------------------------------------------------------- 75static nub_bool_t 76AddProcessToMap (nub_process_t pid, MachProcessSP& procSP) 77{ 78 ProcessMap* process_map = GetProcessMap(true); 79 if (process_map) 80 { 81 process_map->insert(std::make_pair(pid, procSP)); 82 return true; 83 } 84 return false; 85} 86 87//---------------------------------------------------------------------- 88// Remove the shared pointer for PID from the process map. 89// 90// Returns the number of items removed from the process map. 91//---------------------------------------------------------------------- 92static size_t 93RemoveProcessFromMap (nub_process_t pid) 94{ 95 ProcessMap* process_map = GetProcessMap(false); 96 if (process_map) 97 { 98 return process_map->erase(pid); 99 } 100 return 0; 101} 102 103//---------------------------------------------------------------------- 104// Get the shared pointer for PID from the existing process map. 105// 106// Returns true if we successfully find a shared pointer to a 107// MachProcess object. 108//---------------------------------------------------------------------- 109static nub_bool_t 110GetProcessSP (nub_process_t pid, MachProcessSP& procSP) 111{ 112 ProcessMap* process_map = GetProcessMap(false); 113 if (process_map != NULL) 114 { 115 ProcessMapIter pos = process_map->find(pid); 116 if (pos != process_map->end()) 117 { 118 procSP = pos->second; 119 return true; 120 } 121 } 122 procSP.reset(); 123 return false; 124} 125 126 127static void * 128waitpid_thread (void *arg) 129{ 130 const pid_t pid = (pid_t)(intptr_t)arg; 131 int status; 132 while (1) 133 { 134 pid_t child_pid = waitpid(pid, &status, 0); 135 DNBLogThreadedIf(LOG_PROCESS, "waitpid_process_thread (): waitpid (pid = %i, &status, 0) => %i, status = %i, errno = %i", pid, child_pid, status, errno); 136 137 if (child_pid < 0) 138 { 139 if (errno == EINTR) 140 continue; 141 break; 142 } 143 else 144 { 145 if (WIFSTOPPED(status)) 146 { 147 continue; 148 } 149 else// if (WIFEXITED(status) || WIFSIGNALED(status)) 150 { 151 DNBLogThreadedIf(LOG_PROCESS, "waitpid_process_thread (): setting exit status for pid = %i to %i", child_pid, status); 152 DNBProcessSetExitStatus (child_pid, status); 153 return NULL; 154 } 155 } 156 } 157 158 // We should never exit as long as our child process is alive, so if we 159 // do something else went wrong and we should exit... 160 DNBLogThreadedIf(LOG_PROCESS, "waitpid_process_thread (): main loop exited, setting exit status to an invalid value (-1) for pid %i", pid); 161 DNBProcessSetExitStatus (pid, -1); 162 return NULL; 163} 164 165static bool 166spawn_waitpid_thread (pid_t pid) 167{ 168 pthread_t thread = THREAD_NULL; 169 ::pthread_create (&thread, NULL, waitpid_thread, (void *)(intptr_t)pid); 170 if (thread != THREAD_NULL) 171 { 172 ::pthread_detach (thread); 173 return true; 174 } 175 return false; 176} 177 178nub_process_t 179DNBProcessLaunch (const char *path, 180 char const *argv[], 181 const char *envp[], 182 const char *working_directory, // NULL => dont' change, non-NULL => set working directory for inferior to this 183 const char *stdin_path, 184 const char *stdout_path, 185 const char *stderr_path, 186 bool no_stdio, 187 nub_launch_flavor_t launch_flavor, 188 int disable_aslr, 189 char *err_str, 190 size_t err_len) 191{ 192 DNBLogThreadedIf(LOG_PROCESS, "%s ( path='%s', argv = %p, envp = %p, working_dir=%s, stdin=%s, stdout=%s, stderr=%s, no-stdio=%i, launch_flavor = %u, disable_aslr = %d, err = %p, err_len = %llu) called...", 193 __FUNCTION__, 194 path, 195 argv, 196 envp, 197 working_directory, 198 stdin_path, 199 stdout_path, 200 stderr_path, 201 no_stdio, 202 launch_flavor, 203 disable_aslr, 204 err_str, 205 (uint64_t)err_len); 206 207 if (err_str && err_len > 0) 208 err_str[0] = '\0'; 209 struct stat path_stat; 210 if (::stat(path, &path_stat) == -1) 211 { 212 char stat_error[256]; 213 ::strerror_r (errno, stat_error, sizeof(stat_error)); 214 snprintf(err_str, err_len, "%s (%s)", stat_error, path); 215 return INVALID_NUB_PROCESS; 216 } 217 218 MachProcessSP processSP (new MachProcess); 219 if (processSP.get()) 220 { 221 DNBError launch_err; 222 pid_t pid = processSP->LaunchForDebug (path, 223 argv, 224 envp, 225 working_directory, 226 stdin_path, 227 stdout_path, 228 stderr_path, 229 no_stdio, 230 launch_flavor, 231 disable_aslr, 232 launch_err); 233 if (err_str) 234 { 235 *err_str = '\0'; 236 if (launch_err.Fail()) 237 { 238 const char *launch_err_str = launch_err.AsString(); 239 if (launch_err_str) 240 { 241 strncpy(err_str, launch_err_str, err_len-1); 242 err_str[err_len-1] = '\0'; // Make sure the error string is terminated 243 } 244 } 245 } 246 247 DNBLogThreadedIf(LOG_PROCESS, "(DebugNub) new pid is %d...", pid); 248 249 if (pid != INVALID_NUB_PROCESS) 250 { 251 // Spawn a thread to reap our child inferior process... 252 spawn_waitpid_thread (pid); 253 254 if (processSP->Task().TaskPortForProcessID (launch_err) == TASK_NULL) 255 { 256 // We failed to get the task for our process ID which is bad. 257 // Kill our process otherwise it will be stopped at the entry 258 // point and get reparented to someone else and never go away. 259 DNBLog ("Could not get task port for process, sending SIGKILL and exiting."); 260 kill (SIGKILL, pid); 261 262 if (err_str && err_len > 0) 263 { 264 if (launch_err.AsString()) 265 { 266 ::snprintf (err_str, err_len, "failed to get the task for process %i (%s)", pid, launch_err.AsString()); 267 } 268 else 269 { 270 ::snprintf (err_str, err_len, "failed to get the task for process %i", pid); 271 } 272 } 273 } 274 else 275 { 276 bool res = AddProcessToMap(pid, processSP); 277 assert(res && "Couldn't add process to map!"); 278 return pid; 279 } 280 } 281 } 282 return INVALID_NUB_PROCESS; 283} 284 285nub_process_t 286DNBProcessAttachByName (const char *name, struct timespec *timeout, char *err_str, size_t err_len) 287{ 288 if (err_str && err_len > 0) 289 err_str[0] = '\0'; 290 std::vector<struct kinfo_proc> matching_proc_infos; 291 size_t num_matching_proc_infos = GetAllInfosMatchingName(name, matching_proc_infos); 292 if (num_matching_proc_infos == 0) 293 { 294 DNBLogError ("error: no processes match '%s'\n", name); 295 return INVALID_NUB_PROCESS; 296 } 297 else if (num_matching_proc_infos > 1) 298 { 299 DNBLogError ("error: %llu processes match '%s':\n", (uint64_t)num_matching_proc_infos, name); 300 size_t i; 301 for (i=0; i<num_matching_proc_infos; ++i) 302 DNBLogError ("%6u - %s\n", matching_proc_infos[i].kp_proc.p_pid, matching_proc_infos[i].kp_proc.p_comm); 303 return INVALID_NUB_PROCESS; 304 } 305 306 return DNBProcessAttach (matching_proc_infos[0].kp_proc.p_pid, timeout, err_str, err_len); 307} 308 309nub_process_t 310DNBProcessAttach (nub_process_t attach_pid, struct timespec *timeout, char *err_str, size_t err_len) 311{ 312 if (err_str && err_len > 0) 313 err_str[0] = '\0'; 314 315 pid_t pid = INVALID_NUB_PROCESS; 316 MachProcessSP processSP(new MachProcess); 317 if (processSP.get()) 318 { 319 DNBLogThreadedIf(LOG_PROCESS, "(DebugNub) attaching to pid %d...", attach_pid); 320 pid = processSP->AttachForDebug (attach_pid, err_str, err_len); 321 322 if (pid != INVALID_NUB_PROCESS) 323 { 324 bool res = AddProcessToMap(pid, processSP); 325 assert(res && "Couldn't add process to map!"); 326 spawn_waitpid_thread(pid); 327 } 328 } 329 330 while (pid != INVALID_NUB_PROCESS) 331 { 332 // Wait for process to start up and hit entry point 333 DNBLogThreadedIf (LOG_PROCESS, 334 "%s DNBProcessWaitForEvent (%4.4x, eEventProcessRunningStateChanged | eEventProcessStoppedStateChanged, true, INFINITE)...", 335 __FUNCTION__, 336 pid); 337 nub_event_t set_events = DNBProcessWaitForEvents (pid, 338 eEventProcessRunningStateChanged | eEventProcessStoppedStateChanged, 339 true, 340 timeout); 341 342 DNBLogThreadedIf (LOG_PROCESS, 343 "%s DNBProcessWaitForEvent (%4.4x, eEventProcessRunningStateChanged | eEventProcessStoppedStateChanged, true, INFINITE) => 0x%8.8x", 344 __FUNCTION__, 345 pid, 346 set_events); 347 348 if (set_events == 0) 349 { 350 if (err_str && err_len > 0) 351 snprintf(err_str, err_len, "operation timed out"); 352 pid = INVALID_NUB_PROCESS; 353 } 354 else 355 { 356 if (set_events & (eEventProcessRunningStateChanged | eEventProcessStoppedStateChanged)) 357 { 358 nub_state_t pid_state = DNBProcessGetState (pid); 359 DNBLogThreadedIf (LOG_PROCESS, "%s process %4.4x state changed (eEventProcessStateChanged): %s", 360 __FUNCTION__, pid, DNBStateAsString(pid_state)); 361 362 switch (pid_state) 363 { 364 default: 365 case eStateInvalid: 366 case eStateUnloaded: 367 case eStateAttaching: 368 case eStateLaunching: 369 case eStateSuspended: 370 break; // Ignore 371 372 case eStateRunning: 373 case eStateStepping: 374 // Still waiting to stop at entry point... 375 break; 376 377 case eStateStopped: 378 case eStateCrashed: 379 return pid; 380 381 case eStateDetached: 382 case eStateExited: 383 if (err_str && err_len > 0) 384 snprintf(err_str, err_len, "process exited"); 385 return INVALID_NUB_PROCESS; 386 } 387 } 388 389 DNBProcessResetEvents(pid, set_events); 390 } 391 } 392 393 return INVALID_NUB_PROCESS; 394} 395 396size_t 397GetAllInfos (std::vector<struct kinfo_proc>& proc_infos) 398{ 399 size_t size = 0; 400 int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_ALL }; 401 u_int namelen = sizeof(name)/sizeof(int); 402 int err; 403 404 // Try to find out how many processes are around so we can 405 // size the buffer appropriately. sysctl's man page specifically suggests 406 // this approach, and says it returns a bit larger size than needed to 407 // handle any new processes created between then and now. 408 409 err = ::sysctl (name, namelen, NULL, &size, NULL, 0); 410 411 if ((err < 0) && (err != ENOMEM)) 412 { 413 proc_infos.clear(); 414 perror("sysctl (mib, miblen, NULL, &num_processes, NULL, 0)"); 415 return 0; 416 } 417 418 419 // Increase the size of the buffer by a few processes in case more have 420 // been spawned 421 proc_infos.resize (size / sizeof(struct kinfo_proc)); 422 size = proc_infos.size() * sizeof(struct kinfo_proc); // Make sure we don't exceed our resize... 423 err = ::sysctl (name, namelen, &proc_infos[0], &size, NULL, 0); 424 if (err < 0) 425 { 426 proc_infos.clear(); 427 return 0; 428 } 429 430 // Trim down our array to fit what we actually got back 431 proc_infos.resize(size / sizeof(struct kinfo_proc)); 432 return proc_infos.size(); 433} 434 435static size_t 436GetAllInfosMatchingName(const char *full_process_name, std::vector<struct kinfo_proc>& matching_proc_infos) 437{ 438 439 matching_proc_infos.clear(); 440 if (full_process_name && full_process_name[0]) 441 { 442 // We only get the process name, not the full path, from the proc_info. So just take the 443 // base name of the process name... 444 const char *process_name; 445 process_name = strrchr (full_process_name, '/'); 446 if (process_name == NULL) 447 process_name = full_process_name; 448 else 449 process_name++; 450 451 const int process_name_len = strlen(process_name); 452 std::vector<struct kinfo_proc> proc_infos; 453 const size_t num_proc_infos = GetAllInfos(proc_infos); 454 if (num_proc_infos > 0) 455 { 456 uint32_t i; 457 for (i=0; i<num_proc_infos; i++) 458 { 459 // Skip zombie processes and processes with unset status 460 if (proc_infos[i].kp_proc.p_stat == 0 || proc_infos[i].kp_proc.p_stat == SZOMB) 461 continue; 462 463 // Check for process by name. We only check the first MAXCOMLEN 464 // chars as that is all that kp_proc.p_comm holds. 465 466 if (::strncasecmp(process_name, proc_infos[i].kp_proc.p_comm, MAXCOMLEN) == 0) 467 { 468 if (process_name_len > MAXCOMLEN) 469 { 470 // We found a matching process name whose first MAXCOMLEN 471 // characters match, but there is more to the name than 472 // this. We need to get the full process name. Use proc_pidpath, which will get 473 // us the full path to the executed process. 474 475 char proc_path_buf[PATH_MAX]; 476 477 int return_val = proc_pidpath (proc_infos[i].kp_proc.p_pid, proc_path_buf, PATH_MAX); 478 if (return_val > 0) 479 { 480 // Okay, now search backwards from that to see if there is a 481 // slash in the name. Note, even though we got all the args we don't care 482 // because the list data is just a bunch of concatenated null terminated strings 483 // so strrchr will start from the end of argv0. 484 485 const char *argv_basename = strrchr(proc_path_buf, '/'); 486 if (argv_basename) 487 { 488 // Skip the '/' 489 ++argv_basename; 490 } 491 else 492 { 493 // We didn't find a directory delimiter in the process argv[0], just use what was in there 494 argv_basename = proc_path_buf; 495 } 496 497 if (argv_basename) 498 { 499 if (::strncasecmp(process_name, argv_basename, PATH_MAX) == 0) 500 { 501 matching_proc_infos.push_back(proc_infos[i]); 502 } 503 } 504 } 505 } 506 else 507 { 508 // We found a matching process, add it to our list 509 matching_proc_infos.push_back(proc_infos[i]); 510 } 511 } 512 } 513 } 514 } 515 // return the newly added matches. 516 return matching_proc_infos.size(); 517} 518 519nub_process_t 520DNBProcessAttachWait (const char *waitfor_process_name, 521 nub_launch_flavor_t launch_flavor, 522 bool ignore_existing, 523 struct timespec *timeout_abstime, 524 useconds_t waitfor_interval, 525 char *err_str, 526 size_t err_len, 527 DNBShouldCancelCallback should_cancel_callback, 528 void *callback_data) 529{ 530 DNBError prepare_error; 531 std::vector<struct kinfo_proc> exclude_proc_infos; 532 size_t num_exclude_proc_infos; 533 534 // If the PrepareForAttach returns a valid token, use MachProcess to check 535 // for the process, otherwise scan the process table. 536 537 const void *attach_token = MachProcess::PrepareForAttach (waitfor_process_name, launch_flavor, true, prepare_error); 538 539 if (prepare_error.Fail()) 540 { 541 DNBLogError ("Error in PrepareForAttach: %s", prepare_error.AsString()); 542 return INVALID_NUB_PROCESS; 543 } 544 545 if (attach_token == NULL) 546 { 547 if (ignore_existing) 548 num_exclude_proc_infos = GetAllInfosMatchingName (waitfor_process_name, exclude_proc_infos); 549 else 550 num_exclude_proc_infos = 0; 551 } 552 553 DNBLogThreadedIf (LOG_PROCESS, "Waiting for '%s' to appear...\n", waitfor_process_name); 554 555 // Loop and try to find the process by name 556 nub_process_t waitfor_pid = INVALID_NUB_PROCESS; 557 558 while (waitfor_pid == INVALID_NUB_PROCESS) 559 { 560 if (attach_token != NULL) 561 { 562 nub_process_t pid; 563 pid = MachProcess::CheckForProcess(attach_token); 564 if (pid != INVALID_NUB_PROCESS) 565 { 566 waitfor_pid = pid; 567 break; 568 } 569 } 570 else 571 { 572 573 // Get the current process list, and check for matches that 574 // aren't in our original list. If anyone wants to attach 575 // to an existing process by name, they should do it with 576 // --attach=PROCNAME. Else we will wait for the first matching 577 // process that wasn't in our exclusion list. 578 std::vector<struct kinfo_proc> proc_infos; 579 const size_t num_proc_infos = GetAllInfosMatchingName (waitfor_process_name, proc_infos); 580 for (size_t i=0; i<num_proc_infos; i++) 581 { 582 nub_process_t curr_pid = proc_infos[i].kp_proc.p_pid; 583 for (size_t j=0; j<num_exclude_proc_infos; j++) 584 { 585 if (curr_pid == exclude_proc_infos[j].kp_proc.p_pid) 586 { 587 // This process was in our exclusion list, don't use it. 588 curr_pid = INVALID_NUB_PROCESS; 589 break; 590 } 591 } 592 593 // If we didn't find CURR_PID in our exclusion list, then use it. 594 if (curr_pid != INVALID_NUB_PROCESS) 595 { 596 // We found our process! 597 waitfor_pid = curr_pid; 598 break; 599 } 600 } 601 } 602 603 // If we haven't found our process yet, check for a timeout 604 // and then sleep for a bit until we poll again. 605 if (waitfor_pid == INVALID_NUB_PROCESS) 606 { 607 if (timeout_abstime != NULL) 608 { 609 // Check to see if we have a waitfor-duration option that 610 // has timed out? 611 if (DNBTimer::TimeOfDayLaterThan(*timeout_abstime)) 612 { 613 if (err_str && err_len > 0) 614 snprintf(err_str, err_len, "operation timed out"); 615 DNBLogError ("error: waiting for process '%s' timed out.\n", waitfor_process_name); 616 return INVALID_NUB_PROCESS; 617 } 618 } 619 620 // Call the should cancel callback as well... 621 622 if (should_cancel_callback != NULL 623 && should_cancel_callback (callback_data)) 624 { 625 DNBLogThreadedIf (LOG_PROCESS, "DNBProcessAttachWait cancelled by should_cancel callback."); 626 waitfor_pid = INVALID_NUB_PROCESS; 627 break; 628 } 629 630 ::usleep (waitfor_interval); // Sleep for WAITFOR_INTERVAL, then poll again 631 } 632 } 633 634 if (waitfor_pid != INVALID_NUB_PROCESS) 635 { 636 DNBLogThreadedIf (LOG_PROCESS, "Attaching to %s with pid %i...\n", waitfor_process_name, waitfor_pid); 637 waitfor_pid = DNBProcessAttach (waitfor_pid, timeout_abstime, err_str, err_len); 638 } 639 640 bool success = waitfor_pid != INVALID_NUB_PROCESS; 641 MachProcess::CleanupAfterAttach (attach_token, success, prepare_error); 642 643 return waitfor_pid; 644} 645 646nub_bool_t 647DNBProcessDetach (nub_process_t pid) 648{ 649 MachProcessSP procSP; 650 if (GetProcessSP (pid, procSP)) 651 { 652 return procSP->Detach(); 653 } 654 return false; 655} 656 657nub_bool_t 658DNBProcessKill (nub_process_t pid) 659{ 660 MachProcessSP procSP; 661 if (GetProcessSP (pid, procSP)) 662 { 663 return procSP->Kill (); 664 } 665 return false; 666} 667 668nub_bool_t 669DNBProcessSignal (nub_process_t pid, int signal) 670{ 671 MachProcessSP procSP; 672 if (GetProcessSP (pid, procSP)) 673 { 674 return procSP->Signal (signal); 675 } 676 return false; 677} 678 679 680nub_bool_t 681DNBProcessIsAlive (nub_process_t pid) 682{ 683 MachProcessSP procSP; 684 if (GetProcessSP (pid, procSP)) 685 { 686 return MachTask::IsValid (procSP->Task().TaskPort()); 687 } 688 return eStateInvalid; 689} 690 691//---------------------------------------------------------------------- 692// Process and Thread state information 693//---------------------------------------------------------------------- 694nub_state_t 695DNBProcessGetState (nub_process_t pid) 696{ 697 MachProcessSP procSP; 698 if (GetProcessSP (pid, procSP)) 699 { 700 return procSP->GetState(); 701 } 702 return eStateInvalid; 703} 704 705//---------------------------------------------------------------------- 706// Process and Thread state information 707//---------------------------------------------------------------------- 708nub_bool_t 709DNBProcessGetExitStatus (nub_process_t pid, int* status) 710{ 711 MachProcessSP procSP; 712 if (GetProcessSP (pid, procSP)) 713 { 714 return procSP->GetExitStatus(status); 715 } 716 return false; 717} 718 719nub_bool_t 720DNBProcessSetExitStatus (nub_process_t pid, int status) 721{ 722 MachProcessSP procSP; 723 if (GetProcessSP (pid, procSP)) 724 { 725 procSP->SetExitStatus(status); 726 return true; 727 } 728 return false; 729} 730 731 732const char * 733DNBThreadGetName (nub_process_t pid, nub_thread_t tid) 734{ 735 MachProcessSP procSP; 736 if (GetProcessSP (pid, procSP)) 737 return procSP->ThreadGetName(tid); 738 return NULL; 739} 740 741 742nub_bool_t 743DNBThreadGetIdentifierInfo (nub_process_t pid, nub_thread_t tid, thread_identifier_info_data_t *ident_info) 744{ 745 MachProcessSP procSP; 746 if (GetProcessSP (pid, procSP)) 747 return procSP->GetThreadList().GetIdentifierInfo(tid, ident_info); 748 return false; 749} 750 751nub_state_t 752DNBThreadGetState (nub_process_t pid, nub_thread_t tid) 753{ 754 MachProcessSP procSP; 755 if (GetProcessSP (pid, procSP)) 756 { 757 return procSP->ThreadGetState(tid); 758 } 759 return eStateInvalid; 760} 761 762const char * 763DNBStateAsString(nub_state_t state) 764{ 765 switch (state) 766 { 767 case eStateInvalid: return "Invalid"; 768 case eStateUnloaded: return "Unloaded"; 769 case eStateAttaching: return "Attaching"; 770 case eStateLaunching: return "Launching"; 771 case eStateStopped: return "Stopped"; 772 case eStateRunning: return "Running"; 773 case eStateStepping: return "Stepping"; 774 case eStateCrashed: return "Crashed"; 775 case eStateDetached: return "Detached"; 776 case eStateExited: return "Exited"; 777 case eStateSuspended: return "Suspended"; 778 } 779 return "nub_state_t ???"; 780} 781 782const char * 783DNBProcessGetExecutablePath (nub_process_t pid) 784{ 785 MachProcessSP procSP; 786 if (GetProcessSP (pid, procSP)) 787 { 788 return procSP->Path(); 789 } 790 return NULL; 791} 792 793nub_size_t 794DNBProcessGetArgumentCount (nub_process_t pid) 795{ 796 MachProcessSP procSP; 797 if (GetProcessSP (pid, procSP)) 798 { 799 return procSP->ArgumentCount(); 800 } 801 return 0; 802} 803 804const char * 805DNBProcessGetArgumentAtIndex (nub_process_t pid, nub_size_t idx) 806{ 807 MachProcessSP procSP; 808 if (GetProcessSP (pid, procSP)) 809 { 810 return procSP->ArgumentAtIndex (idx); 811 } 812 return NULL; 813} 814 815 816//---------------------------------------------------------------------- 817// Execution control 818//---------------------------------------------------------------------- 819nub_bool_t 820DNBProcessResume (nub_process_t pid, const DNBThreadResumeAction *actions, size_t num_actions) 821{ 822 DNBLogThreadedIf(LOG_PROCESS, "%s(pid = %4.4x)", __FUNCTION__, pid); 823 MachProcessSP procSP; 824 if (GetProcessSP (pid, procSP)) 825 { 826 DNBThreadResumeActions thread_actions (actions, num_actions); 827 828 // Below we add a default thread plan just in case one wasn't 829 // provided so all threads always know what they were supposed to do 830 if (thread_actions.IsEmpty()) 831 { 832 // No thread plans were given, so the default it to run all threads 833 thread_actions.SetDefaultThreadActionIfNeeded (eStateRunning, 0); 834 } 835 else 836 { 837 // Some thread plans were given which means anything that wasn't 838 // specified should remain stopped. 839 thread_actions.SetDefaultThreadActionIfNeeded (eStateStopped, 0); 840 } 841 return procSP->Resume (thread_actions); 842 } 843 return false; 844} 845 846nub_bool_t 847DNBProcessHalt (nub_process_t pid) 848{ 849 DNBLogThreadedIf(LOG_PROCESS, "%s(pid = %4.4x)", __FUNCTION__, pid); 850 MachProcessSP procSP; 851 if (GetProcessSP (pid, procSP)) 852 return procSP->Signal (SIGSTOP); 853 return false; 854} 855// 856//nub_bool_t 857//DNBThreadResume (nub_process_t pid, nub_thread_t tid, nub_bool_t step) 858//{ 859// DNBLogThreadedIf(LOG_THREAD, "%s(pid = %4.4x, tid = %4.4x, step = %u)", __FUNCTION__, pid, tid, (uint32_t)step); 860// MachProcessSP procSP; 861// if (GetProcessSP (pid, procSP)) 862// { 863// return procSP->Resume(tid, step, 0); 864// } 865// return false; 866//} 867// 868//nub_bool_t 869//DNBThreadResumeWithSignal (nub_process_t pid, nub_thread_t tid, nub_bool_t step, int signal) 870//{ 871// DNBLogThreadedIf(LOG_THREAD, "%s(pid = %4.4x, tid = %4.4x, step = %u, signal = %i)", __FUNCTION__, pid, tid, (uint32_t)step, signal); 872// MachProcessSP procSP; 873// if (GetProcessSP (pid, procSP)) 874// { 875// return procSP->Resume(tid, step, signal); 876// } 877// return false; 878//} 879 880nub_event_t 881DNBProcessWaitForEvents (nub_process_t pid, nub_event_t event_mask, bool wait_for_set, struct timespec* timeout) 882{ 883 nub_event_t result = 0; 884 MachProcessSP procSP; 885 if (GetProcessSP (pid, procSP)) 886 { 887 if (wait_for_set) 888 result = procSP->Events().WaitForSetEvents(event_mask, timeout); 889 else 890 result = procSP->Events().WaitForEventsToReset(event_mask, timeout); 891 } 892 return result; 893} 894 895void 896DNBProcessResetEvents (nub_process_t pid, nub_event_t event_mask) 897{ 898 MachProcessSP procSP; 899 if (GetProcessSP (pid, procSP)) 900 procSP->Events().ResetEvents(event_mask); 901} 902 903// Breakpoints 904nub_break_t 905DNBBreakpointSet (nub_process_t pid, nub_addr_t addr, nub_size_t size, nub_bool_t hardware) 906{ 907 MachProcessSP procSP; 908 if (GetProcessSP (pid, procSP)) 909 { 910 return procSP->CreateBreakpoint(addr, size, hardware, THREAD_NULL); 911 } 912 return INVALID_NUB_BREAK_ID; 913} 914 915nub_bool_t 916DNBBreakpointClear (nub_process_t pid, nub_break_t breakID) 917{ 918 if (NUB_BREAK_ID_IS_VALID(breakID)) 919 { 920 MachProcessSP procSP; 921 if (GetProcessSP (pid, procSP)) 922 { 923 return procSP->DisableBreakpoint(breakID, true); 924 } 925 } 926 return false; // Failed 927} 928 929nub_ssize_t 930DNBBreakpointGetHitCount (nub_process_t pid, nub_break_t breakID) 931{ 932 if (NUB_BREAK_ID_IS_VALID(breakID)) 933 { 934 MachProcessSP procSP; 935 if (GetProcessSP (pid, procSP)) 936 { 937 DNBBreakpoint *bp = procSP->Breakpoints().FindByID(breakID); 938 if (bp) 939 return bp->GetHitCount(); 940 } 941 } 942 return 0; 943} 944 945nub_ssize_t 946DNBBreakpointGetIgnoreCount (nub_process_t pid, nub_break_t breakID) 947{ 948 if (NUB_BREAK_ID_IS_VALID(breakID)) 949 { 950 MachProcessSP procSP; 951 if (GetProcessSP (pid, procSP)) 952 { 953 DNBBreakpoint *bp = procSP->Breakpoints().FindByID(breakID); 954 if (bp) 955 return bp->GetIgnoreCount(); 956 } 957 } 958 return 0; 959} 960 961nub_bool_t 962DNBBreakpointSetIgnoreCount (nub_process_t pid, nub_break_t breakID, nub_size_t ignore_count) 963{ 964 if (NUB_BREAK_ID_IS_VALID(breakID)) 965 { 966 MachProcessSP procSP; 967 if (GetProcessSP (pid, procSP)) 968 { 969 DNBBreakpoint *bp = procSP->Breakpoints().FindByID(breakID); 970 if (bp) 971 { 972 bp->SetIgnoreCount(ignore_count); 973 return true; 974 } 975 } 976 } 977 return false; 978} 979 980// Set the callback function for a given breakpoint. The callback function will 981// get called as soon as the breakpoint is hit. The function will be called 982// with the process ID, thread ID, breakpoint ID and the baton, and can return 983// 984nub_bool_t 985DNBBreakpointSetCallback (nub_process_t pid, nub_break_t breakID, DNBCallbackBreakpointHit callback, void *baton) 986{ 987 if (NUB_BREAK_ID_IS_VALID(breakID)) 988 { 989 MachProcessSP procSP; 990 if (GetProcessSP (pid, procSP)) 991 { 992 DNBBreakpoint *bp = procSP->Breakpoints().FindByID(breakID); 993 if (bp) 994 { 995 bp->SetCallback(callback, baton); 996 return true; 997 } 998 } 999 } 1000 return false; 1001} 1002 1003//---------------------------------------------------------------------- 1004// Dump the breakpoints stats for process PID for a breakpoint by ID. 1005//---------------------------------------------------------------------- 1006void 1007DNBBreakpointPrint (nub_process_t pid, nub_break_t breakID) 1008{ 1009 MachProcessSP procSP; 1010 if (GetProcessSP (pid, procSP)) 1011 procSP->DumpBreakpoint(breakID); 1012} 1013 1014//---------------------------------------------------------------------- 1015// Watchpoints 1016//---------------------------------------------------------------------- 1017nub_watch_t 1018DNBWatchpointSet (nub_process_t pid, nub_addr_t addr, nub_size_t size, uint32_t watch_flags, nub_bool_t hardware) 1019{ 1020 MachProcessSP procSP; 1021 if (GetProcessSP (pid, procSP)) 1022 { 1023 return procSP->CreateWatchpoint(addr, size, watch_flags, hardware, THREAD_NULL); 1024 } 1025 return INVALID_NUB_WATCH_ID; 1026} 1027 1028nub_bool_t 1029DNBWatchpointClear (nub_process_t pid, nub_watch_t watchID) 1030{ 1031 if (NUB_WATCH_ID_IS_VALID(watchID)) 1032 { 1033 MachProcessSP procSP; 1034 if (GetProcessSP (pid, procSP)) 1035 { 1036 return procSP->DisableWatchpoint(watchID, true); 1037 } 1038 } 1039 return false; // Failed 1040} 1041 1042nub_ssize_t 1043DNBWatchpointGetHitCount (nub_process_t pid, nub_watch_t watchID) 1044{ 1045 if (NUB_WATCH_ID_IS_VALID(watchID)) 1046 { 1047 MachProcessSP procSP; 1048 if (GetProcessSP (pid, procSP)) 1049 { 1050 DNBBreakpoint *bp = procSP->Watchpoints().FindByID(watchID); 1051 if (bp) 1052 return bp->GetHitCount(); 1053 } 1054 } 1055 return 0; 1056} 1057 1058nub_ssize_t 1059DNBWatchpointGetIgnoreCount (nub_process_t pid, nub_watch_t watchID) 1060{ 1061 if (NUB_WATCH_ID_IS_VALID(watchID)) 1062 { 1063 MachProcessSP procSP; 1064 if (GetProcessSP (pid, procSP)) 1065 { 1066 DNBBreakpoint *bp = procSP->Watchpoints().FindByID(watchID); 1067 if (bp) 1068 return bp->GetIgnoreCount(); 1069 } 1070 } 1071 return 0; 1072} 1073 1074nub_bool_t 1075DNBWatchpointSetIgnoreCount (nub_process_t pid, nub_watch_t watchID, nub_size_t ignore_count) 1076{ 1077 if (NUB_WATCH_ID_IS_VALID(watchID)) 1078 { 1079 MachProcessSP procSP; 1080 if (GetProcessSP (pid, procSP)) 1081 { 1082 DNBBreakpoint *bp = procSP->Watchpoints().FindByID(watchID); 1083 if (bp) 1084 { 1085 bp->SetIgnoreCount(ignore_count); 1086 return true; 1087 } 1088 } 1089 } 1090 return false; 1091} 1092 1093// Set the callback function for a given watchpoint. The callback function will 1094// get called as soon as the watchpoint is hit. The function will be called 1095// with the process ID, thread ID, watchpoint ID and the baton, and can return 1096// 1097nub_bool_t 1098DNBWatchpointSetCallback (nub_process_t pid, nub_watch_t watchID, DNBCallbackBreakpointHit callback, void *baton) 1099{ 1100 if (NUB_WATCH_ID_IS_VALID(watchID)) 1101 { 1102 MachProcessSP procSP; 1103 if (GetProcessSP (pid, procSP)) 1104 { 1105 DNBBreakpoint *bp = procSP->Watchpoints().FindByID(watchID); 1106 if (bp) 1107 { 1108 bp->SetCallback(callback, baton); 1109 return true; 1110 } 1111 } 1112 } 1113 return false; 1114} 1115 1116//---------------------------------------------------------------------- 1117// Dump the watchpoints stats for process PID for a watchpoint by ID. 1118//---------------------------------------------------------------------- 1119void 1120DNBWatchpointPrint (nub_process_t pid, nub_watch_t watchID) 1121{ 1122 MachProcessSP procSP; 1123 if (GetProcessSP (pid, procSP)) 1124 procSP->DumpWatchpoint(watchID); 1125} 1126 1127//---------------------------------------------------------------------- 1128// Return the number of supported hardware watchpoints. 1129//---------------------------------------------------------------------- 1130uint32_t 1131DNBWatchpointGetNumSupportedHWP (nub_process_t pid) 1132{ 1133 MachProcessSP procSP; 1134 if (GetProcessSP (pid, procSP)) 1135 return procSP->GetNumSupportedHardwareWatchpoints(); 1136 return 0; 1137} 1138 1139//---------------------------------------------------------------------- 1140// Read memory in the address space of process PID. This call will take 1141// care of setting and restoring permissions and breaking up the memory 1142// read into multiple chunks as required. 1143// 1144// RETURNS: number of bytes actually read 1145//---------------------------------------------------------------------- 1146nub_size_t 1147DNBProcessMemoryRead (nub_process_t pid, nub_addr_t addr, nub_size_t size, void *buf) 1148{ 1149 MachProcessSP procSP; 1150 if (GetProcessSP (pid, procSP)) 1151 return procSP->ReadMemory(addr, size, buf); 1152 return 0; 1153} 1154 1155//---------------------------------------------------------------------- 1156// Write memory to the address space of process PID. This call will take 1157// care of setting and restoring permissions and breaking up the memory 1158// write into multiple chunks as required. 1159// 1160// RETURNS: number of bytes actually written 1161//---------------------------------------------------------------------- 1162nub_size_t 1163DNBProcessMemoryWrite (nub_process_t pid, nub_addr_t addr, nub_size_t size, const void *buf) 1164{ 1165 MachProcessSP procSP; 1166 if (GetProcessSP (pid, procSP)) 1167 return procSP->WriteMemory(addr, size, buf); 1168 return 0; 1169} 1170 1171nub_addr_t 1172DNBProcessMemoryAllocate (nub_process_t pid, nub_size_t size, uint32_t permissions) 1173{ 1174 MachProcessSP procSP; 1175 if (GetProcessSP (pid, procSP)) 1176 return procSP->Task().AllocateMemory (size, permissions); 1177 return 0; 1178} 1179 1180nub_bool_t 1181DNBProcessMemoryDeallocate (nub_process_t pid, nub_addr_t addr) 1182{ 1183 MachProcessSP procSP; 1184 if (GetProcessSP (pid, procSP)) 1185 return procSP->Task().DeallocateMemory (addr); 1186 return 0; 1187} 1188 1189//---------------------------------------------------------------------- 1190// Find attributes of the memory region that contains ADDR for process PID, 1191// if possible, and return a string describing those attributes. 1192// 1193// Returns 1 if we could find attributes for this region and OUTBUF can 1194// be sent to the remote debugger. 1195// 1196// Returns 0 if we couldn't find the attributes for a region of memory at 1197// that address and OUTBUF should not be sent. 1198// 1199// Returns -1 if this platform cannot look up information about memory regions 1200// or if we do not yet have a valid launched process. 1201// 1202//---------------------------------------------------------------------- 1203int 1204DNBProcessMemoryRegionInfo (nub_process_t pid, nub_addr_t addr, DNBRegionInfo *region_info) 1205{ 1206 MachProcessSP procSP; 1207 if (GetProcessSP (pid, procSP)) 1208 return procSP->Task().GetMemoryRegionInfo (addr, region_info); 1209 1210 return -1; 1211} 1212 1213std::string 1214DNBProcessGetProfileData (nub_process_t pid, DNBProfileDataScanType scanType) 1215{ 1216 MachProcessSP procSP; 1217 if (GetProcessSP (pid, procSP)) 1218 return procSP->Task().GetProfileData(scanType); 1219 1220 return std::string(""); 1221} 1222 1223nub_bool_t 1224DNBProcessSetEnableAsyncProfiling (nub_process_t pid, nub_bool_t enable, uint64_t interval_usec, DNBProfileDataScanType scan_type) 1225{ 1226 MachProcessSP procSP; 1227 if (GetProcessSP (pid, procSP)) 1228 { 1229 procSP->SetEnableAsyncProfiling(enable, interval_usec, scan_type); 1230 return true; 1231 } 1232 1233 return false; 1234} 1235 1236//---------------------------------------------------------------------- 1237// Formatted output that uses memory and registers from process and 1238// thread in place of arguments. 1239//---------------------------------------------------------------------- 1240nub_size_t 1241DNBPrintf (nub_process_t pid, nub_thread_t tid, nub_addr_t base_addr, FILE *file, const char *format) 1242{ 1243 if (file == NULL) 1244 return 0; 1245 enum printf_flags 1246 { 1247 alternate_form = (1 << 0), 1248 zero_padding = (1 << 1), 1249 negative_field_width = (1 << 2), 1250 blank_space = (1 << 3), 1251 show_sign = (1 << 4), 1252 show_thousands_separator= (1 << 5), 1253 }; 1254 1255 enum printf_length_modifiers 1256 { 1257 length_mod_h = (1 << 0), 1258 length_mod_hh = (1 << 1), 1259 length_mod_l = (1 << 2), 1260 length_mod_ll = (1 << 3), 1261 length_mod_L = (1 << 4), 1262 length_mod_j = (1 << 5), 1263 length_mod_t = (1 << 6), 1264 length_mod_z = (1 << 7), 1265 length_mod_q = (1 << 8), 1266 }; 1267 1268 nub_addr_t addr = base_addr; 1269 char *end_format = (char*)format + strlen(format); 1270 char *end = NULL; // For strtoXXXX calls; 1271 std::basic_string<uint8_t> buf; 1272 nub_size_t total_bytes_read = 0; 1273 DNBDataRef data; 1274 const char *f; 1275 for (f = format; *f != '\0' && f < end_format; f++) 1276 { 1277 char ch = *f; 1278 switch (ch) 1279 { 1280 case '%': 1281 { 1282 f++; // Skip the '%' character 1283// int min_field_width = 0; 1284// int precision = 0; 1285 //uint32_t flags = 0; 1286 uint32_t length_modifiers = 0; 1287 uint32_t byte_size = 0; 1288 uint32_t actual_byte_size = 0; 1289 bool is_string = false; 1290 bool is_register = false; 1291 DNBRegisterValue register_value; 1292 int64_t register_offset = 0; 1293 nub_addr_t register_addr = INVALID_NUB_ADDRESS; 1294 1295 // Create the format string to use for this conversion specification 1296 // so we can remove and mprintf specific flags and formatters. 1297 std::string fprintf_format("%"); 1298 1299 // Decode any flags 1300 switch (*f) 1301 { 1302 case '#': fprintf_format += *f++; break; //flags |= alternate_form; break; 1303 case '0': fprintf_format += *f++; break; //flags |= zero_padding; break; 1304 case '-': fprintf_format += *f++; break; //flags |= negative_field_width; break; 1305 case ' ': fprintf_format += *f++; break; //flags |= blank_space; break; 1306 case '+': fprintf_format += *f++; break; //flags |= show_sign; break; 1307 case ',': fprintf_format += *f++; break; //flags |= show_thousands_separator;break; 1308 case '{': 1309 case '[': 1310 { 1311 // We have a register name specification that can take two forms: 1312 // ${regname} or ${regname+offset} 1313 // The action is to read the register value and add the signed offset 1314 // (if any) and use that as the value to format. 1315 // $[regname] or $[regname+offset] 1316 // The action is to read the register value and add the signed offset 1317 // (if any) and use the result as an address to dereference. The size 1318 // of what is dereferenced is specified by the actual byte size that 1319 // follows the minimum field width and precision (see comments below). 1320 switch (*f) 1321 { 1322 case '{': 1323 case '[': 1324 { 1325 char open_scope_ch = *f; 1326 f++; 1327 const char *reg_name = f; 1328 size_t reg_name_length = strcspn(f, "+-}]"); 1329 if (reg_name_length > 0) 1330 { 1331 std::string register_name(reg_name, reg_name_length); 1332 f += reg_name_length; 1333 register_offset = strtoll(f, &end, 0); 1334 if (f < end) 1335 f = end; 1336 if ((open_scope_ch == '{' && *f != '}') || (open_scope_ch == '[' && *f != ']')) 1337 { 1338 fprintf(file, "error: Invalid register format string. Valid formats are %%{regname} or %%{regname+offset}, %%[regname] or %%[regname+offset]\n"); 1339 return total_bytes_read; 1340 } 1341 else 1342 { 1343 f++; 1344 if (DNBThreadGetRegisterValueByName(pid, tid, REGISTER_SET_ALL, register_name.c_str(), ®ister_value)) 1345 { 1346 // Set the address to dereference using the register value plus the offset 1347 switch (register_value.info.size) 1348 { 1349 default: 1350 case 0: 1351 fprintf (file, "error: unsupported register size of %u.\n", register_value.info.size); 1352 return total_bytes_read; 1353 1354 case 1: register_addr = register_value.value.uint8 + register_offset; break; 1355 case 2: register_addr = register_value.value.uint16 + register_offset; break; 1356 case 4: register_addr = register_value.value.uint32 + register_offset; break; 1357 case 8: register_addr = register_value.value.uint64 + register_offset; break; 1358 case 16: 1359 if (open_scope_ch == '[') 1360 { 1361 fprintf (file, "error: register size (%u) too large for address.\n", register_value.info.size); 1362 return total_bytes_read; 1363 } 1364 break; 1365 } 1366 1367 if (open_scope_ch == '{') 1368 { 1369 byte_size = register_value.info.size; 1370 is_register = true; // value is in a register 1371 1372 } 1373 else 1374 { 1375 addr = register_addr; // Use register value and offset as the address 1376 } 1377 } 1378 else 1379 { 1380 fprintf(file, "error: unable to read register '%s' for process %#.4x and thread %#.8" PRIx64 "\n", register_name.c_str(), pid, tid); 1381 return total_bytes_read; 1382 } 1383 } 1384 } 1385 } 1386 break; 1387 1388 default: 1389 fprintf(file, "error: %%$ must be followed by (regname + n) or [regname + n]\n"); 1390 return total_bytes_read; 1391 } 1392 } 1393 break; 1394 } 1395 1396 // Check for a minimum field width 1397 if (isdigit(*f)) 1398 { 1399 //min_field_width = strtoul(f, &end, 10); 1400 strtoul(f, &end, 10); 1401 if (end > f) 1402 { 1403 fprintf_format.append(f, end - f); 1404 f = end; 1405 } 1406 } 1407 1408 1409 // Check for a precision 1410 if (*f == '.') 1411 { 1412 f++; 1413 if (isdigit(*f)) 1414 { 1415 fprintf_format += '.'; 1416 //precision = strtoul(f, &end, 10); 1417 strtoul(f, &end, 10); 1418 if (end > f) 1419 { 1420 fprintf_format.append(f, end - f); 1421 f = end; 1422 } 1423 } 1424 } 1425 1426 1427 // mprintf specific: read the optional actual byte size (abs) 1428 // after the standard minimum field width (mfw) and precision (prec). 1429 // Standard printf calls you can have "mfw.prec" or ".prec", but 1430 // mprintf can have "mfw.prec.abs", ".prec.abs" or "..abs". This is nice 1431 // for strings that may be in a fixed size buffer, but may not use all bytes 1432 // in that buffer for printable characters. 1433 if (*f == '.') 1434 { 1435 f++; 1436 actual_byte_size = strtoul(f, &end, 10); 1437 if (end > f) 1438 { 1439 byte_size = actual_byte_size; 1440 f = end; 1441 } 1442 } 1443 1444 // Decode the length modifiers 1445 switch (*f) 1446 { 1447 case 'h': // h and hh length modifiers 1448 fprintf_format += *f++; 1449 length_modifiers |= length_mod_h; 1450 if (*f == 'h') 1451 { 1452 fprintf_format += *f++; 1453 length_modifiers |= length_mod_hh; 1454 } 1455 break; 1456 1457 case 'l': // l and ll length modifiers 1458 fprintf_format += *f++; 1459 length_modifiers |= length_mod_l; 1460 if (*f == 'h') 1461 { 1462 fprintf_format += *f++; 1463 length_modifiers |= length_mod_ll; 1464 } 1465 break; 1466 1467 case 'L': fprintf_format += *f++; length_modifiers |= length_mod_L; break; 1468 case 'j': fprintf_format += *f++; length_modifiers |= length_mod_j; break; 1469 case 't': fprintf_format += *f++; length_modifiers |= length_mod_t; break; 1470 case 'z': fprintf_format += *f++; length_modifiers |= length_mod_z; break; 1471 case 'q': fprintf_format += *f++; length_modifiers |= length_mod_q; break; 1472 } 1473 1474 // Decode the conversion specifier 1475 switch (*f) 1476 { 1477 case '_': 1478 // mprintf specific format items 1479 { 1480 ++f; // Skip the '_' character 1481 switch (*f) 1482 { 1483 case 'a': // Print the current address 1484 ++f; 1485 fprintf_format += "ll"; 1486 fprintf_format += *f; // actual format to show address with folows the 'a' ("%_ax") 1487 fprintf (file, fprintf_format.c_str(), addr); 1488 break; 1489 case 'o': // offset from base address 1490 ++f; 1491 fprintf_format += "ll"; 1492 fprintf_format += *f; // actual format to show address with folows the 'a' ("%_ox") 1493 fprintf(file, fprintf_format.c_str(), addr - base_addr); 1494 break; 1495 default: 1496 fprintf (file, "error: unsupported mprintf specific format character '%c'.\n", *f); 1497 break; 1498 } 1499 continue; 1500 } 1501 break; 1502 1503 case 'D': 1504 case 'O': 1505 case 'U': 1506 fprintf_format += *f; 1507 if (byte_size == 0) 1508 byte_size = sizeof(long int); 1509 break; 1510 1511 case 'd': 1512 case 'i': 1513 case 'o': 1514 case 'u': 1515 case 'x': 1516 case 'X': 1517 fprintf_format += *f; 1518 if (byte_size == 0) 1519 { 1520 if (length_modifiers & length_mod_hh) 1521 byte_size = sizeof(char); 1522 else if (length_modifiers & length_mod_h) 1523 byte_size = sizeof(short); 1524 else if (length_modifiers & length_mod_ll) 1525 byte_size = sizeof(long long); 1526 else if (length_modifiers & length_mod_l) 1527 byte_size = sizeof(long); 1528 else 1529 byte_size = sizeof(int); 1530 } 1531 break; 1532 1533 case 'a': 1534 case 'A': 1535 case 'f': 1536 case 'F': 1537 case 'e': 1538 case 'E': 1539 case 'g': 1540 case 'G': 1541 fprintf_format += *f; 1542 if (byte_size == 0) 1543 { 1544 if (length_modifiers & length_mod_L) 1545 byte_size = sizeof(long double); 1546 else 1547 byte_size = sizeof(double); 1548 } 1549 break; 1550 1551 case 'c': 1552 if ((length_modifiers & length_mod_l) == 0) 1553 { 1554 fprintf_format += *f; 1555 if (byte_size == 0) 1556 byte_size = sizeof(char); 1557 break; 1558 } 1559 // Fall through to 'C' modifier below... 1560 1561 case 'C': 1562 fprintf_format += *f; 1563 if (byte_size == 0) 1564 byte_size = sizeof(wchar_t); 1565 break; 1566 1567 case 's': 1568 fprintf_format += *f; 1569 if (is_register || byte_size == 0) 1570 is_string = 1; 1571 break; 1572 1573 case 'p': 1574 fprintf_format += *f; 1575 if (byte_size == 0) 1576 byte_size = sizeof(void*); 1577 break; 1578 } 1579 1580 if (is_string) 1581 { 1582 std::string mem_string; 1583 const size_t string_buf_len = 4; 1584 char string_buf[string_buf_len+1]; 1585 char *string_buf_end = string_buf + string_buf_len; 1586 string_buf[string_buf_len] = '\0'; 1587 nub_size_t bytes_read; 1588 nub_addr_t str_addr = is_register ? register_addr : addr; 1589 while ((bytes_read = DNBProcessMemoryRead(pid, str_addr, string_buf_len, &string_buf[0])) > 0) 1590 { 1591 // Did we get a NULL termination character yet? 1592 if (strchr(string_buf, '\0') == string_buf_end) 1593 { 1594 // no NULL terminator yet, append as a std::string 1595 mem_string.append(string_buf, string_buf_len); 1596 str_addr += string_buf_len; 1597 } 1598 else 1599 { 1600 // yep 1601 break; 1602 } 1603 } 1604 // Append as a C-string so we don't get the extra NULL 1605 // characters in the temp buffer (since it was resized) 1606 mem_string += string_buf; 1607 size_t mem_string_len = mem_string.size() + 1; 1608 fprintf(file, fprintf_format.c_str(), mem_string.c_str()); 1609 if (mem_string_len > 0) 1610 { 1611 if (!is_register) 1612 { 1613 addr += mem_string_len; 1614 total_bytes_read += mem_string_len; 1615 } 1616 } 1617 else 1618 return total_bytes_read; 1619 } 1620 else 1621 if (byte_size > 0) 1622 { 1623 buf.resize(byte_size); 1624 nub_size_t bytes_read = 0; 1625 if (is_register) 1626 bytes_read = register_value.info.size; 1627 else 1628 bytes_read = DNBProcessMemoryRead(pid, addr, buf.size(), &buf[0]); 1629 if (bytes_read > 0) 1630 { 1631 if (!is_register) 1632 total_bytes_read += bytes_read; 1633 1634 if (bytes_read == byte_size) 1635 { 1636 switch (*f) 1637 { 1638 case 'd': 1639 case 'i': 1640 case 'o': 1641 case 'u': 1642 case 'X': 1643 case 'x': 1644 case 'a': 1645 case 'A': 1646 case 'f': 1647 case 'F': 1648 case 'e': 1649 case 'E': 1650 case 'g': 1651 case 'G': 1652 case 'p': 1653 case 'c': 1654 case 'C': 1655 { 1656 if (is_register) 1657 data.SetData(®ister_value.value.v_uint8[0], register_value.info.size); 1658 else 1659 data.SetData(&buf[0], bytes_read); 1660 DNBDataRef::offset_t data_offset = 0; 1661 if (byte_size <= 4) 1662 { 1663 uint32_t u32 = data.GetMax32(&data_offset, byte_size); 1664 // Show the actual byte width when displaying hex 1665 fprintf(file, fprintf_format.c_str(), u32); 1666 } 1667 else if (byte_size <= 8) 1668 { 1669 uint64_t u64 = data.GetMax64(&data_offset, byte_size); 1670 // Show the actual byte width when displaying hex 1671 fprintf(file, fprintf_format.c_str(), u64); 1672 } 1673 else 1674 { 1675 fprintf(file, "error: integer size not supported, must be 8 bytes or less (%u bytes).\n", byte_size); 1676 } 1677 if (!is_register) 1678 addr += byte_size; 1679 } 1680 break; 1681 1682 case 's': 1683 fprintf(file, fprintf_format.c_str(), buf.c_str()); 1684 addr += byte_size; 1685 break; 1686 1687 default: 1688 fprintf(file, "error: unsupported conversion specifier '%c'.\n", *f); 1689 break; 1690 } 1691 } 1692 } 1693 } 1694 else 1695 return total_bytes_read; 1696 } 1697 break; 1698 1699 case '\\': 1700 { 1701 f++; 1702 switch (*f) 1703 { 1704 case 'e': ch = '\e'; break; 1705 case 'a': ch = '\a'; break; 1706 case 'b': ch = '\b'; break; 1707 case 'f': ch = '\f'; break; 1708 case 'n': ch = '\n'; break; 1709 case 'r': ch = '\r'; break; 1710 case 't': ch = '\t'; break; 1711 case 'v': ch = '\v'; break; 1712 case '\'': ch = '\''; break; 1713 case '\\': ch = '\\'; break; 1714 case '0': 1715 case '1': 1716 case '2': 1717 case '3': 1718 case '4': 1719 case '5': 1720 case '6': 1721 case '7': 1722 ch = strtoul(f, &end, 8); 1723 f = end; 1724 break; 1725 default: 1726 ch = *f; 1727 break; 1728 } 1729 fputc(ch, file); 1730 } 1731 break; 1732 1733 default: 1734 fputc(ch, file); 1735 break; 1736 } 1737 } 1738 return total_bytes_read; 1739} 1740 1741 1742//---------------------------------------------------------------------- 1743// Get the number of threads for the specified process. 1744//---------------------------------------------------------------------- 1745nub_size_t 1746DNBProcessGetNumThreads (nub_process_t pid) 1747{ 1748 MachProcessSP procSP; 1749 if (GetProcessSP (pid, procSP)) 1750 return procSP->GetNumThreads(); 1751 return 0; 1752} 1753 1754//---------------------------------------------------------------------- 1755// Get the thread ID of the current thread. 1756//---------------------------------------------------------------------- 1757nub_thread_t 1758DNBProcessGetCurrentThread (nub_process_t pid) 1759{ 1760 MachProcessSP procSP; 1761 if (GetProcessSP (pid, procSP)) 1762 return procSP->GetCurrentThread(); 1763 return 0; 1764} 1765 1766//---------------------------------------------------------------------- 1767// Get the mach port number of the current thread. 1768//---------------------------------------------------------------------- 1769nub_thread_t 1770DNBProcessGetCurrentThreadMachPort (nub_process_t pid) 1771{ 1772 MachProcessSP procSP; 1773 if (GetProcessSP (pid, procSP)) 1774 return procSP->GetCurrentThreadMachPort(); 1775 return 0; 1776} 1777 1778//---------------------------------------------------------------------- 1779// Change the current thread. 1780//---------------------------------------------------------------------- 1781nub_thread_t 1782DNBProcessSetCurrentThread (nub_process_t pid, nub_thread_t tid) 1783{ 1784 MachProcessSP procSP; 1785 if (GetProcessSP (pid, procSP)) 1786 return procSP->SetCurrentThread (tid); 1787 return INVALID_NUB_THREAD; 1788} 1789 1790 1791//---------------------------------------------------------------------- 1792// Dump a string describing a thread's stop reason to the specified file 1793// handle 1794//---------------------------------------------------------------------- 1795nub_bool_t 1796DNBThreadGetStopReason (nub_process_t pid, nub_thread_t tid, struct DNBThreadStopInfo *stop_info) 1797{ 1798 MachProcessSP procSP; 1799 if (GetProcessSP (pid, procSP)) 1800 return procSP->GetThreadStoppedReason (tid, stop_info); 1801 return false; 1802} 1803 1804//---------------------------------------------------------------------- 1805// Return string description for the specified thread. 1806// 1807// RETURNS: NULL if the thread isn't valid, else a NULL terminated C 1808// string from a static buffer that must be copied prior to subsequent 1809// calls. 1810//---------------------------------------------------------------------- 1811const char * 1812DNBThreadGetInfo (nub_process_t pid, nub_thread_t tid) 1813{ 1814 MachProcessSP procSP; 1815 if (GetProcessSP (pid, procSP)) 1816 return procSP->GetThreadInfo (tid); 1817 return NULL; 1818} 1819 1820//---------------------------------------------------------------------- 1821// Get the thread ID given a thread index. 1822//---------------------------------------------------------------------- 1823nub_thread_t 1824DNBProcessGetThreadAtIndex (nub_process_t pid, size_t thread_idx) 1825{ 1826 MachProcessSP procSP; 1827 if (GetProcessSP (pid, procSP)) 1828 return procSP->GetThreadAtIndex (thread_idx); 1829 return INVALID_NUB_THREAD; 1830} 1831 1832//---------------------------------------------------------------------- 1833// Do whatever is needed to sync the thread's register state with it's kernel values. 1834//---------------------------------------------------------------------- 1835nub_bool_t 1836DNBProcessSyncThreadState (nub_process_t pid, nub_thread_t tid) 1837{ 1838 MachProcessSP procSP; 1839 if (GetProcessSP (pid, procSP)) 1840 return procSP->SyncThreadState (tid); 1841 return false; 1842 1843} 1844 1845nub_addr_t 1846DNBProcessGetSharedLibraryInfoAddress (nub_process_t pid) 1847{ 1848 MachProcessSP procSP; 1849 DNBError err; 1850 if (GetProcessSP (pid, procSP)) 1851 return procSP->Task().GetDYLDAllImageInfosAddress (err); 1852 return INVALID_NUB_ADDRESS; 1853} 1854 1855 1856nub_bool_t 1857DNBProcessSharedLibrariesUpdated(nub_process_t pid) 1858{ 1859 MachProcessSP procSP; 1860 if (GetProcessSP (pid, procSP)) 1861 { 1862 procSP->SharedLibrariesUpdated (); 1863 return true; 1864 } 1865 return false; 1866} 1867 1868//---------------------------------------------------------------------- 1869// Get the current shared library information for a process. Only return 1870// the shared libraries that have changed since the last shared library 1871// state changed event if only_changed is non-zero. 1872//---------------------------------------------------------------------- 1873nub_size_t 1874DNBProcessGetSharedLibraryInfo (nub_process_t pid, nub_bool_t only_changed, struct DNBExecutableImageInfo **image_infos) 1875{ 1876 MachProcessSP procSP; 1877 if (GetProcessSP (pid, procSP)) 1878 return procSP->CopyImageInfos (image_infos, only_changed); 1879 1880 // If we have no process, then return NULL for the shared library info 1881 // and zero for shared library count 1882 *image_infos = NULL; 1883 return 0; 1884} 1885 1886//---------------------------------------------------------------------- 1887// Get the register set information for a specific thread. 1888//---------------------------------------------------------------------- 1889const DNBRegisterSetInfo * 1890DNBGetRegisterSetInfo (nub_size_t *num_reg_sets) 1891{ 1892 return DNBArchProtocol::GetRegisterSetInfo (num_reg_sets); 1893} 1894 1895 1896//---------------------------------------------------------------------- 1897// Read a register value by register set and register index. 1898//---------------------------------------------------------------------- 1899nub_bool_t 1900DNBThreadGetRegisterValueByID (nub_process_t pid, nub_thread_t tid, uint32_t set, uint32_t reg, DNBRegisterValue *value) 1901{ 1902 MachProcessSP procSP; 1903 ::bzero (value, sizeof(DNBRegisterValue)); 1904 if (GetProcessSP (pid, procSP)) 1905 { 1906 if (tid != INVALID_NUB_THREAD) 1907 return procSP->GetRegisterValue (tid, set, reg, value); 1908 } 1909 return false; 1910} 1911 1912nub_bool_t 1913DNBThreadSetRegisterValueByID (nub_process_t pid, nub_thread_t tid, uint32_t set, uint32_t reg, const DNBRegisterValue *value) 1914{ 1915 if (tid != INVALID_NUB_THREAD) 1916 { 1917 MachProcessSP procSP; 1918 if (GetProcessSP (pid, procSP)) 1919 return procSP->SetRegisterValue (tid, set, reg, value); 1920 } 1921 return false; 1922} 1923 1924nub_size_t 1925DNBThreadGetRegisterContext (nub_process_t pid, nub_thread_t tid, void *buf, size_t buf_len) 1926{ 1927 MachProcessSP procSP; 1928 if (GetProcessSP (pid, procSP)) 1929 { 1930 if (tid != INVALID_NUB_THREAD) 1931 return procSP->GetThreadList().GetRegisterContext (tid, buf, buf_len); 1932 } 1933 ::bzero (buf, buf_len); 1934 return 0; 1935 1936} 1937 1938nub_size_t 1939DNBThreadSetRegisterContext (nub_process_t pid, nub_thread_t tid, const void *buf, size_t buf_len) 1940{ 1941 MachProcessSP procSP; 1942 if (GetProcessSP (pid, procSP)) 1943 { 1944 if (tid != INVALID_NUB_THREAD) 1945 return procSP->GetThreadList().SetRegisterContext (tid, buf, buf_len); 1946 } 1947 return 0; 1948} 1949 1950//---------------------------------------------------------------------- 1951// Read a register value by name. 1952//---------------------------------------------------------------------- 1953nub_bool_t 1954DNBThreadGetRegisterValueByName (nub_process_t pid, nub_thread_t tid, uint32_t reg_set, const char *reg_name, DNBRegisterValue *value) 1955{ 1956 MachProcessSP procSP; 1957 ::bzero (value, sizeof(DNBRegisterValue)); 1958 if (GetProcessSP (pid, procSP)) 1959 { 1960 const struct DNBRegisterSetInfo *set_info; 1961 nub_size_t num_reg_sets = 0; 1962 set_info = DNBGetRegisterSetInfo (&num_reg_sets); 1963 if (set_info) 1964 { 1965 uint32_t set = reg_set; 1966 uint32_t reg; 1967 if (set == REGISTER_SET_ALL) 1968 { 1969 for (set = 1; set < num_reg_sets; ++set) 1970 { 1971 for (reg = 0; reg < set_info[set].num_registers; ++reg) 1972 { 1973 if (strcasecmp(reg_name, set_info[set].registers[reg].name) == 0) 1974 return procSP->GetRegisterValue (tid, set, reg, value); 1975 } 1976 } 1977 } 1978 else 1979 { 1980 for (reg = 0; reg < set_info[set].num_registers; ++reg) 1981 { 1982 if (strcasecmp(reg_name, set_info[set].registers[reg].name) == 0) 1983 return procSP->GetRegisterValue (tid, set, reg, value); 1984 } 1985 } 1986 } 1987 } 1988 return false; 1989} 1990 1991 1992//---------------------------------------------------------------------- 1993// Read a register set and register number from the register name. 1994//---------------------------------------------------------------------- 1995nub_bool_t 1996DNBGetRegisterInfoByName (const char *reg_name, DNBRegisterInfo* info) 1997{ 1998 const struct DNBRegisterSetInfo *set_info; 1999 nub_size_t num_reg_sets = 0; 2000 set_info = DNBGetRegisterSetInfo (&num_reg_sets); 2001 if (set_info) 2002 { 2003 uint32_t set, reg; 2004 for (set = 1; set < num_reg_sets; ++set) 2005 { 2006 for (reg = 0; reg < set_info[set].num_registers; ++reg) 2007 { 2008 if (strcasecmp(reg_name, set_info[set].registers[reg].name) == 0) 2009 { 2010 *info = set_info[set].registers[reg]; 2011 return true; 2012 } 2013 } 2014 } 2015 2016 for (set = 1; set < num_reg_sets; ++set) 2017 { 2018 uint32_t reg; 2019 for (reg = 0; reg < set_info[set].num_registers; ++reg) 2020 { 2021 if (set_info[set].registers[reg].alt == NULL) 2022 continue; 2023 2024 if (strcasecmp(reg_name, set_info[set].registers[reg].alt) == 0) 2025 { 2026 *info = set_info[set].registers[reg]; 2027 return true; 2028 } 2029 } 2030 } 2031 } 2032 2033 ::bzero (info, sizeof(DNBRegisterInfo)); 2034 return false; 2035} 2036 2037 2038//---------------------------------------------------------------------- 2039// Set the name to address callback function that this nub can use 2040// for any name to address lookups that are needed. 2041//---------------------------------------------------------------------- 2042nub_bool_t 2043DNBProcessSetNameToAddressCallback (nub_process_t pid, DNBCallbackNameToAddress callback, void *baton) 2044{ 2045 MachProcessSP procSP; 2046 if (GetProcessSP (pid, procSP)) 2047 { 2048 procSP->SetNameToAddressCallback (callback, baton); 2049 return true; 2050 } 2051 return false; 2052} 2053 2054 2055//---------------------------------------------------------------------- 2056// Set the name to address callback function that this nub can use 2057// for any name to address lookups that are needed. 2058//---------------------------------------------------------------------- 2059nub_bool_t 2060DNBProcessSetSharedLibraryInfoCallback (nub_process_t pid, DNBCallbackCopyExecutableImageInfos callback, void *baton) 2061{ 2062 MachProcessSP procSP; 2063 if (GetProcessSP (pid, procSP)) 2064 { 2065 procSP->SetSharedLibraryInfoCallback (callback, baton); 2066 return true; 2067 } 2068 return false; 2069} 2070 2071nub_addr_t 2072DNBProcessLookupAddress (nub_process_t pid, const char *name, const char *shlib) 2073{ 2074 MachProcessSP procSP; 2075 if (GetProcessSP (pid, procSP)) 2076 { 2077 return procSP->LookupSymbol (name, shlib); 2078 } 2079 return INVALID_NUB_ADDRESS; 2080} 2081 2082 2083nub_size_t 2084DNBProcessGetAvailableSTDOUT (nub_process_t pid, char *buf, nub_size_t buf_size) 2085{ 2086 MachProcessSP procSP; 2087 if (GetProcessSP (pid, procSP)) 2088 return procSP->GetAvailableSTDOUT (buf, buf_size); 2089 return 0; 2090} 2091 2092nub_size_t 2093DNBProcessGetAvailableSTDERR (nub_process_t pid, char *buf, nub_size_t buf_size) 2094{ 2095 MachProcessSP procSP; 2096 if (GetProcessSP (pid, procSP)) 2097 return procSP->GetAvailableSTDERR (buf, buf_size); 2098 return 0; 2099} 2100 2101nub_size_t 2102DNBProcessGetAvailableProfileData (nub_process_t pid, char *buf, nub_size_t buf_size) 2103{ 2104 MachProcessSP procSP; 2105 if (GetProcessSP (pid, procSP)) 2106 return procSP->GetAsyncProfileData (buf, buf_size); 2107 return 0; 2108} 2109 2110nub_size_t 2111DNBProcessGetStopCount (nub_process_t pid) 2112{ 2113 MachProcessSP procSP; 2114 if (GetProcessSP (pid, procSP)) 2115 return procSP->StopCount(); 2116 return 0; 2117} 2118 2119uint32_t 2120DNBProcessGetCPUType (nub_process_t pid) 2121{ 2122 MachProcessSP procSP; 2123 if (GetProcessSP (pid, procSP)) 2124 return procSP->GetCPUType (); 2125 return 0; 2126 2127} 2128 2129nub_bool_t 2130DNBResolveExecutablePath (const char *path, char *resolved_path, size_t resolved_path_size) 2131{ 2132 if (path == NULL || path[0] == '\0') 2133 return false; 2134 2135 char max_path[PATH_MAX]; 2136 std::string result; 2137 CFString::GlobPath(path, result); 2138 2139 if (result.empty()) 2140 result = path; 2141 2142 struct stat path_stat; 2143 if (::stat(path, &path_stat) == 0) 2144 { 2145 if ((path_stat.st_mode & S_IFMT) == S_IFDIR) 2146 { 2147 CFBundle bundle (path); 2148 CFReleaser<CFURLRef> url(bundle.CopyExecutableURL ()); 2149 if (url.get()) 2150 { 2151 if (::CFURLGetFileSystemRepresentation (url.get(), true, (UInt8*)resolved_path, resolved_path_size)) 2152 return true; 2153 } 2154 } 2155 } 2156 2157 if (realpath(path, max_path)) 2158 { 2159 // Found the path relatively... 2160 ::strncpy(resolved_path, max_path, resolved_path_size); 2161 return strlen(resolved_path) + 1 < resolved_path_size; 2162 } 2163 else 2164 { 2165 // Not a relative path, check the PATH environment variable if the 2166 const char *PATH = getenv("PATH"); 2167 if (PATH) 2168 { 2169 const char *curr_path_start = PATH; 2170 const char *curr_path_end; 2171 while (curr_path_start && *curr_path_start) 2172 { 2173 curr_path_end = strchr(curr_path_start, ':'); 2174 if (curr_path_end == NULL) 2175 { 2176 result.assign(curr_path_start); 2177 curr_path_start = NULL; 2178 } 2179 else if (curr_path_end > curr_path_start) 2180 { 2181 size_t len = curr_path_end - curr_path_start; 2182 result.assign(curr_path_start, len); 2183 curr_path_start += len + 1; 2184 } 2185 else 2186 break; 2187 2188 result += '/'; 2189 result += path; 2190 struct stat s; 2191 if (stat(result.c_str(), &s) == 0) 2192 { 2193 ::strncpy(resolved_path, result.c_str(), resolved_path_size); 2194 return result.size() + 1 < resolved_path_size; 2195 } 2196 } 2197 } 2198 } 2199 return false; 2200} 2201 2202 2203void 2204DNBInitialize() 2205{ 2206 DNBLogThreadedIf (LOG_PROCESS, "DNBInitialize ()"); 2207#if defined (__i386__) || defined (__x86_64__) 2208 DNBArchImplI386::Initialize(); 2209 DNBArchImplX86_64::Initialize(); 2210#elif defined (__arm__) 2211 DNBArchMachARM::Initialize(); 2212#endif 2213} 2214 2215void 2216DNBTerminate() 2217{ 2218} 2219 2220nub_bool_t 2221DNBSetArchitecture (const char *arch) 2222{ 2223 if (arch && arch[0]) 2224 { 2225 if (strcasecmp (arch, "i386") == 0) 2226 return DNBArchProtocol::SetArchitecture (CPU_TYPE_I386); 2227 else if (strcasecmp (arch, "x86_64") == 0) 2228 return DNBArchProtocol::SetArchitecture (CPU_TYPE_X86_64); 2229 else if (strstr (arch, "arm") == arch) 2230 return DNBArchProtocol::SetArchitecture (CPU_TYPE_ARM); 2231 } 2232 return false; 2233} 2234