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PlatformDarwin.cpp
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1 //===-- PlatformDarwin.cpp ------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "PlatformDarwin.h"
10 
11 #include <cstring>
12 
13 #include <algorithm>
14 #include <memory>
15 #include <mutex>
16 
17 #include "lldb/Breakpoint/BreakpointLocation.h"
18 #include "lldb/Breakpoint/BreakpointSite.h"
19 #include "lldb/Core/Debugger.h"
20 #include "lldb/Core/Module.h"
21 #include "lldb/Core/ModuleSpec.h"
22 #include "lldb/Core/Section.h"
23 #include "lldb/Host/Host.h"
24 #include "lldb/Host/HostInfo.h"
25 #include "lldb/Host/XML.h"
26 #include "lldb/Interpreter/CommandInterpreter.h"
27 #include "lldb/Symbol/LocateSymbolFile.h"
28 #include "lldb/Symbol/ObjectFile.h"
29 #include "lldb/Symbol/SymbolFile.h"
30 #include "lldb/Symbol/SymbolVendor.h"
31 #include "lldb/Target/Platform.h"
32 #include "lldb/Target/Process.h"
33 #include "lldb/Target/Target.h"
34 #include "lldb/Utility/Log.h"
35 #include "lldb/Utility/ProcessInfo.h"
36 #include "lldb/Utility/Status.h"
37 #include "lldb/Utility/Timer.h"
38 #include "llvm/ADT/STLExtras.h"
39 #include "llvm/Support/FileSystem.h"
40 #include "llvm/Support/Threading.h"
41 #include "llvm/Support/VersionTuple.h"
42 
43 #if defined(__APPLE__)
44 #include <TargetConditionals.h>
45 #endif
46 
47 using namespace lldb;
48 using namespace lldb_private;
49 
50 /// Default Constructor
51 PlatformDarwin::PlatformDarwin(bool is_host) : PlatformPOSIX(is_host) {}
52 
53 /// Destructor.
54 ///
55 /// The destructor is virtual since this class is designed to be
56 /// inherited from by the plug-in instance.
57 PlatformDarwin::~PlatformDarwin() = default;
58 
59 lldb_private::Status
60 PlatformDarwin::PutFile(const lldb_private::FileSpec &source,
61  const lldb_private::FileSpec &destination, uint32_t uid,
62  uint32_t gid) {
63  // Unconditionally unlink the destination. If it is an executable,
64  // simply opening it and truncating its contents would invalidate
65  // its cached code signature.
66  Unlink(destination);
67  return PlatformPOSIX::PutFile(source, destination, uid, gid);
68 }
69 
70 FileSpecList PlatformDarwin::LocateExecutableScriptingResources(
71  Target *target, Module &module, Stream *feedback_stream) {
72  FileSpecList file_list;
73  if (target &&
74  target->GetDebugger().GetScriptLanguage() == eScriptLanguagePython) {
75  // NB some extensions might be meaningful and should not be stripped -
76  // "this.binary.file"
77  // should not lose ".file" but GetFileNameStrippingExtension() will do
78  // precisely that. Ideally, we should have a per-platform list of
79  // extensions (".exe", ".app", ".dSYM", ".framework") which should be
80  // stripped while leaving "this.binary.file" as-is.
81 
82  FileSpec module_spec = module.GetFileSpec();
83 
84  if (module_spec) {
85  if (SymbolFile *symfile = module.GetSymbolFile()) {
86  ObjectFile *objfile = symfile->GetObjectFile();
87  if (objfile) {
88  FileSpec symfile_spec(objfile->GetFileSpec());
89  if (symfile_spec &&
90  strcasestr(symfile_spec.GetPath().c_str(),
91  ".dSYM/Contents/Resources/DWARF") != nullptr &&
92  FileSystem::Instance().Exists(symfile_spec)) {
93  while (module_spec.GetFilename()) {
94  std::string module_basename(
95  module_spec.GetFilename().GetCString());
96  std::string original_module_basename(module_basename);
97 
98  bool was_keyword = false;
99 
100  // FIXME: for Python, we cannot allow certain characters in
101  // module
102  // filenames we import. Theoretically, different scripting
103  // languages may have different sets of forbidden tokens in
104  // filenames, and that should be dealt with by each
105  // ScriptInterpreter. For now, we just replace dots with
106  // underscores, but if we ever support anything other than
107  // Python we will need to rework this
108  std::replace(module_basename.begin(), module_basename.end(), '.',
109  '_');
110  std::replace(module_basename.begin(), module_basename.end(), ' ',
111  '_');
112  std::replace(module_basename.begin(), module_basename.end(), '-',
113  '_');
114  ScriptInterpreter *script_interpreter =
115  target->GetDebugger().GetScriptInterpreter();
116  if (script_interpreter &&
117  script_interpreter->IsReservedWord(module_basename.c_str())) {
118  module_basename.insert(module_basename.begin(), '_');
119  was_keyword = true;
120  }
121 
122  StreamString path_string;
123  StreamString original_path_string;
124  // for OSX we are going to be in
125  // .dSYM/Contents/Resources/DWARF/<basename> let us go to
126  // .dSYM/Contents/Resources/Python/<basename>.py and see if the
127  // file exists
128  path_string.Printf("%s/../Python/%s.py",
129  symfile_spec.GetDirectory().GetCString(),
130  module_basename.c_str());
131  original_path_string.Printf(
132  "%s/../Python/%s.py",
133  symfile_spec.GetDirectory().GetCString(),
134  original_module_basename.c_str());
135  FileSpec script_fspec(path_string.GetString());
136  FileSystem::Instance().Resolve(script_fspec);
137  FileSpec orig_script_fspec(original_path_string.GetString());
138  FileSystem::Instance().Resolve(orig_script_fspec);
139 
140  // if we did some replacements of reserved characters, and a
141  // file with the untampered name exists, then warn the user
142  // that the file as-is shall not be loaded
143  if (feedback_stream) {
144  if (module_basename != original_module_basename &&
145  FileSystem::Instance().Exists(orig_script_fspec)) {
146  const char *reason_for_complaint =
147  was_keyword ? "conflicts with a keyword"
148  : "contains reserved characters";
149  if (FileSystem::Instance().Exists(script_fspec))
150  feedback_stream->Printf(
151  "warning: the symbol file '%s' contains a debug "
152  "script. However, its name"
153  " '%s' %s and as such cannot be loaded. LLDB will"
154  " load '%s' instead. Consider removing the file with "
155  "the malformed name to"
156  " eliminate this warning.\n",
157  symfile_spec.GetPath().c_str(),
158  original_path_string.GetData(), reason_for_complaint,
159  path_string.GetData());
160  else
161  feedback_stream->Printf(
162  "warning: the symbol file '%s' contains a debug "
163  "script. However, its name"
164  " %s and as such cannot be loaded. If you intend"
165  " to have this script loaded, please rename '%s' to "
166  "'%s' and retry.\n",
167  symfile_spec.GetPath().c_str(), reason_for_complaint,
168  original_path_string.GetData(), path_string.GetData());
169  }
170  }
171 
172  if (FileSystem::Instance().Exists(script_fspec)) {
173  file_list.Append(script_fspec);
174  break;
175  }
176 
177  // If we didn't find the python file, then keep stripping the
178  // extensions and try again
179  ConstString filename_no_extension(
180  module_spec.GetFileNameStrippingExtension());
181  if (module_spec.GetFilename() == filename_no_extension)
182  break;
183 
184  module_spec.GetFilename() = filename_no_extension;
185  }
186  }
187  }
188  }
189  }
190  }
191  return file_list;
192 }
193 
194 Status PlatformDarwin::ResolveSymbolFile(Target &target,
195  const ModuleSpec &sym_spec,
196  FileSpec &sym_file) {
197  sym_file = sym_spec.GetSymbolFileSpec();
198  if (FileSystem::Instance().IsDirectory(sym_file)) {
199  sym_file = Symbols::FindSymbolFileInBundle(sym_file, sym_spec.GetUUIDPtr(),
200  sym_spec.GetArchitecturePtr());
201  }
202  return {};
203 }
204 
205 static lldb_private::Status
206 MakeCacheFolderForFile(const FileSpec &module_cache_spec) {
207  FileSpec module_cache_folder =
208  module_cache_spec.CopyByRemovingLastPathComponent();
209  return llvm::sys::fs::create_directory(module_cache_folder.GetPath());
210 }
211 
212 static lldb_private::Status
213 BringInRemoteFile(Platform *platform,
214  const lldb_private::ModuleSpec &module_spec,
215  const FileSpec &module_cache_spec) {
216  MakeCacheFolderForFile(module_cache_spec);
217  Status err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec);
218  return err;
219 }
220 
221 lldb_private::Status PlatformDarwin::GetSharedModuleWithLocalCache(
222  const lldb_private::ModuleSpec &module_spec, lldb::ModuleSP &module_sp,
223  const lldb_private::FileSpecList *module_search_paths_ptr,
224  llvm::SmallVectorImpl<lldb::ModuleSP> *old_modules, bool *did_create_ptr) {
225 
226  Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
227  LLDB_LOGF(log,
228  "[%s] Trying to find module %s/%s - platform path %s/%s symbol "
229  "path %s/%s",
230  (IsHost() ? "host" : "remote"),
231  module_spec.GetFileSpec().GetDirectory().AsCString(),
232  module_spec.GetFileSpec().GetFilename().AsCString(),
233  module_spec.GetPlatformFileSpec().GetDirectory().AsCString(),
234  module_spec.GetPlatformFileSpec().GetFilename().AsCString(),
235  module_spec.GetSymbolFileSpec().GetDirectory().AsCString(),
236  module_spec.GetSymbolFileSpec().GetFilename().AsCString());
237 
238  Status err;
239 
240  if (IsHost()) {
241  // When debugging on the host, we are most likely using the same shared
242  // cache as our inferior. The dylibs from the shared cache might not
243  // exist on the filesystem, so let's use the images in our own memory
244  // to create the modules.
245 
246  // Check if the requested image is in our shared cache.
247  SharedCacheImageInfo image_info =
248  HostInfo::GetSharedCacheImageInfo(module_spec.GetFileSpec().GetPath());
249 
250  // If we found it and it has the correct UUID, let's proceed with
251  // creating a module from the memory contents.
252  if (image_info.uuid &&
253  (!module_spec.GetUUID() || module_spec.GetUUID() == image_info.uuid)) {
254  ModuleSpec shared_cache_spec(module_spec.GetFileSpec(), image_info.uuid,
255  image_info.data_sp);
256  err = ModuleList::GetSharedModule(shared_cache_spec, module_sp,
257  module_search_paths_ptr, old_modules,
258  did_create_ptr);
259  if (module_sp)
260  return err;
261  }
262  }
263 
264  err = ModuleList::GetSharedModule(module_spec, module_sp,
265  module_search_paths_ptr, old_modules,
266  did_create_ptr);
267  if (module_sp)
268  return err;
269 
270  if (!IsHost()) {
271  std::string cache_path(GetLocalCacheDirectory());
272  // Only search for a locally cached file if we have a valid cache path
273  if (!cache_path.empty()) {
274  std::string module_path(module_spec.GetFileSpec().GetPath());
275  cache_path.append(module_path);
276  FileSpec module_cache_spec(cache_path);
277 
278  // if rsync is supported, always bring in the file - rsync will be very
279  // efficient when files are the same on the local and remote end of the
280  // connection
281  if (this->GetSupportsRSync()) {
282  err = BringInRemoteFile(this, module_spec, module_cache_spec);
283  if (err.Fail())
284  return err;
285  if (FileSystem::Instance().Exists(module_cache_spec)) {
286  Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
287  LLDB_LOGF(log, "[%s] module %s/%s was rsynced and is now there",
288  (IsHost() ? "host" : "remote"),
289  module_spec.GetFileSpec().GetDirectory().AsCString(),
290  module_spec.GetFileSpec().GetFilename().AsCString());
291  ModuleSpec local_spec(module_cache_spec,
292  module_spec.GetArchitecture());
293  module_sp = std::make_shared<Module>(local_spec);
294  module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
295  return Status();
296  }
297  }
298 
299  // try to find the module in the cache
300  if (FileSystem::Instance().Exists(module_cache_spec)) {
301  // get the local and remote MD5 and compare
302  if (m_remote_platform_sp) {
303  // when going over the *slow* GDB remote transfer mechanism we first
304  // check the hashes of the files - and only do the actual transfer if
305  // they differ
306  uint64_t high_local, high_remote, low_local, low_remote;
307  auto MD5 = llvm::sys::fs::md5_contents(module_cache_spec.GetPath());
308  if (!MD5)
309  return Status(MD5.getError());
310  std::tie(high_local, low_local) = MD5->words();
311 
312  m_remote_platform_sp->CalculateMD5(module_spec.GetFileSpec(),
313  low_remote, high_remote);
314  if (low_local != low_remote || high_local != high_remote) {
315  // bring in the remote file
316  Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
317  LLDB_LOGF(log,
318  "[%s] module %s/%s needs to be replaced from remote copy",
319  (IsHost() ? "host" : "remote"),
320  module_spec.GetFileSpec().GetDirectory().AsCString(),
321  module_spec.GetFileSpec().GetFilename().AsCString());
322  Status err =
323  BringInRemoteFile(this, module_spec, module_cache_spec);
324  if (err.Fail())
325  return err;
326  }
327  }
328 
329  ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
330  module_sp = std::make_shared<Module>(local_spec);
331  module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
332  Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
333  LLDB_LOGF(log, "[%s] module %s/%s was found in the cache",
334  (IsHost() ? "host" : "remote"),
335  module_spec.GetFileSpec().GetDirectory().AsCString(),
336  module_spec.GetFileSpec().GetFilename().AsCString());
337  return Status();
338  }
339 
340  // bring in the remote module file
341  LLDB_LOGF(log, "[%s] module %s/%s needs to come in remotely",
342  (IsHost() ? "host" : "remote"),
343  module_spec.GetFileSpec().GetDirectory().AsCString(),
344  module_spec.GetFileSpec().GetFilename().AsCString());
345  Status err = BringInRemoteFile(this, module_spec, module_cache_spec);
346  if (err.Fail())
347  return err;
348  if (FileSystem::Instance().Exists(module_cache_spec)) {
349  Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
350  LLDB_LOGF(log, "[%s] module %s/%s is now cached and fine",
351  (IsHost() ? "host" : "remote"),
352  module_spec.GetFileSpec().GetDirectory().AsCString(),
353  module_spec.GetFileSpec().GetFilename().AsCString());
354  ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
355  module_sp = std::make_shared<Module>(local_spec);
356  module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
357  return Status();
358  } else
359  return Status("unable to obtain valid module file");
360  } else
361  return Status("no cache path");
362  } else
363  return Status("unable to resolve module");
364 }
365 
366 Status PlatformDarwin::GetSharedModule(
367  const ModuleSpec &module_spec, Process *process, ModuleSP &module_sp,
368  const FileSpecList *module_search_paths_ptr,
369  llvm::SmallVectorImpl<ModuleSP> *old_modules, bool *did_create_ptr) {
370  Status error;
371  module_sp.reset();
372 
373  if (IsRemote()) {
374  // If we have a remote platform always, let it try and locate the shared
375  // module first.
376  if (m_remote_platform_sp) {
377  error = m_remote_platform_sp->GetSharedModule(
378  module_spec, process, module_sp, module_search_paths_ptr, old_modules,
379  did_create_ptr);
380  }
381  }
382 
383  if (!module_sp) {
384  // Fall back to the local platform and find the file locally
385  error = Platform::GetSharedModule(module_spec, process, module_sp,
386  module_search_paths_ptr, old_modules,
387  did_create_ptr);
388 
389  const FileSpec &platform_file = module_spec.GetFileSpec();
390  if (!module_sp && module_search_paths_ptr && platform_file) {
391  // We can try to pull off part of the file path up to the bundle
392  // directory level and try any module search paths...
393  FileSpec bundle_directory;
394  if (Host::GetBundleDirectory(platform_file, bundle_directory)) {
395  if (platform_file == bundle_directory) {
396  ModuleSpec new_module_spec(module_spec);
397  new_module_spec.GetFileSpec() = bundle_directory;
398  if (Host::ResolveExecutableInBundle(new_module_spec.GetFileSpec())) {
399  Status new_error(Platform::GetSharedModule(
400  new_module_spec, process, module_sp, nullptr, old_modules,
401  did_create_ptr));
402 
403  if (module_sp)
404  return new_error;
405  }
406  } else {
407  char platform_path[PATH_MAX];
408  char bundle_dir[PATH_MAX];
409  platform_file.GetPath(platform_path, sizeof(platform_path));
410  const size_t bundle_directory_len =
411  bundle_directory.GetPath(bundle_dir, sizeof(bundle_dir));
412  char new_path[PATH_MAX];
413  size_t num_module_search_paths = module_search_paths_ptr->GetSize();
414  for (size_t i = 0; i < num_module_search_paths; ++i) {
415  const size_t search_path_len =
416  module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath(
417  new_path, sizeof(new_path));
418  if (search_path_len < sizeof(new_path)) {
419  snprintf(new_path + search_path_len,
420  sizeof(new_path) - search_path_len, "/%s",
421  platform_path + bundle_directory_len);
422  FileSpec new_file_spec(new_path);
423  if (FileSystem::Instance().Exists(new_file_spec)) {
424  ModuleSpec new_module_spec(module_spec);
425  new_module_spec.GetFileSpec() = new_file_spec;
426  Status new_error(Platform::GetSharedModule(
427  new_module_spec, process, module_sp, nullptr, old_modules,
428  did_create_ptr));
429 
430  if (module_sp) {
431  module_sp->SetPlatformFileSpec(new_file_spec);
432  return new_error;
433  }
434  }
435  }
436  }
437  }
438  }
439  }
440  }
441  if (module_sp)
442  module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
443  return error;
444 }
445 
446 size_t
447 PlatformDarwin::GetSoftwareBreakpointTrapOpcode(Target &target,
448  BreakpointSite *bp_site) {
449  const uint8_t *trap_opcode = nullptr;
450  uint32_t trap_opcode_size = 0;
451  bool bp_is_thumb = false;
452 
453  llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine();
454  switch (machine) {
455  case llvm::Triple::aarch64_32:
456  case llvm::Triple::aarch64: {
457  // 'brk #0' or 0xd4200000 in BE byte order
458  static const uint8_t g_arm64_breakpoint_opcode[] = {0x00, 0x00, 0x20, 0xD4};
459  trap_opcode = g_arm64_breakpoint_opcode;
460  trap_opcode_size = sizeof(g_arm64_breakpoint_opcode);
461  } break;
462 
463  case llvm::Triple::thumb:
464  bp_is_thumb = true;
465  LLVM_FALLTHROUGH;
466  case llvm::Triple::arm: {
467  static const uint8_t g_arm_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7};
468  static const uint8_t g_thumb_breakpooint_opcode[] = {0xFE, 0xDE};
469 
470  // Auto detect arm/thumb if it wasn't explicitly specified
471  if (!bp_is_thumb) {
472  lldb::BreakpointLocationSP bp_loc_sp(bp_site->GetOwnerAtIndex(0));
473  if (bp_loc_sp)
474  bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass() ==
475  AddressClass::eCodeAlternateISA;
476  }
477  if (bp_is_thumb) {
478  trap_opcode = g_thumb_breakpooint_opcode;
479  trap_opcode_size = sizeof(g_thumb_breakpooint_opcode);
480  break;
481  }
482  trap_opcode = g_arm_breakpoint_opcode;
483  trap_opcode_size = sizeof(g_arm_breakpoint_opcode);
484  } break;
485 
486  case llvm::Triple::ppc:
487  case llvm::Triple::ppc64: {
488  static const uint8_t g_ppc_breakpoint_opcode[] = {0x7F, 0xC0, 0x00, 0x08};
489  trap_opcode = g_ppc_breakpoint_opcode;
490  trap_opcode_size = sizeof(g_ppc_breakpoint_opcode);
491  } break;
492 
493  default:
494  return Platform::GetSoftwareBreakpointTrapOpcode(target, bp_site);
495  }
496 
497  if (trap_opcode && trap_opcode_size) {
498  if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size))
499  return trap_opcode_size;
500  }
501  return 0;
502 }
503 
504 bool PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches(
505  lldb_private::Target &target, const lldb::ModuleSP &module_sp) {
506  if (!module_sp)
507  return false;
508 
509  ObjectFile *obj_file = module_sp->GetObjectFile();
510  if (!obj_file)
511  return false;
512 
513  ObjectFile::Type obj_type = obj_file->GetType();
514  return obj_type == ObjectFile::eTypeDynamicLinker;
515 }
516 
517 bool PlatformDarwin::x86GetSupportedArchitectureAtIndex(uint32_t idx,
518  ArchSpec &arch) {
519  ArchSpec host_arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
520  if (host_arch.GetCore() == ArchSpec::eCore_x86_64_x86_64h) {
521  switch (idx) {
522  case 0:
523  arch = host_arch;
524  return true;
525 
526  case 1:
527  arch.SetTriple("x86_64-apple-macosx");
528  return true;
529 
530  case 2:
531  arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
532  return true;
533 
534  default:
535  return false;
536  }
537  } else {
538  if (idx == 0) {
539  arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
540  return arch.IsValid();
541  } else if (idx == 1) {
542  ArchSpec platform_arch(
543  HostInfo::GetArchitecture(HostInfo::eArchKindDefault));
544  ArchSpec platform_arch64(
545  HostInfo::GetArchitecture(HostInfo::eArchKind64));
546  if (platform_arch.IsExactMatch(platform_arch64)) {
547  // This macosx platform supports both 32 and 64 bit. Since we already
548  // returned the 64 bit arch for idx == 0, return the 32 bit arch for
549  // idx == 1
550  arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
551  return arch.IsValid();
552  }
553  }
554  }
555  return false;
556 }
557 
558 /// The architecture selection rules for arm processors These cpu subtypes have
559 /// distinct names (e.g. armv7f) but armv7 binaries run fine on an armv7f
560 /// processor.
561 bool PlatformDarwin::ARMGetSupportedArchitectureAtIndex(uint32_t idx,
562  ArchSpec &arch) {
563  ArchSpec system_arch(GetSystemArchitecture());
564 
565 #if defined(TARGET_OS_TV) && TARGET_OS_TV == 1
566 #define OSNAME "tvos"
567 #elif defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
568 #define OSNAME "watchos"
569 #elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1
570 #define OSNAME "bridgeos"
571 #elif defined(TARGET_OS_OSX) && TARGET_OS_OSX == 1
572 #define OSNAME "macosx"
573 #else
574 #define OSNAME "ios"
575 #endif
576 
577 #if TARGET_OS_OSX
578  if (IsHost()) {
579  if (idx == 0) {
580  arch.SetTriple("arm64e-apple-macosx");
581  return true;
582  } else if (idx == 1) {
583  arch.SetTriple("arm64-apple-macosx");
584  return true;
585  }
586  return false;
587  }
588 #endif
589 
590  const ArchSpec::Core system_core = system_arch.GetCore();
591  switch (system_core) {
592  default:
593  switch (idx) {
594  case 0:
595  arch.SetTriple("arm64-apple-" OSNAME);
596  return true;
597  case 1:
598  arch.SetTriple("armv7-apple-" OSNAME);
599  return true;
600  case 2:
601  arch.SetTriple("armv7f-apple-" OSNAME);
602  return true;
603  case 3:
604  arch.SetTriple("armv7k-apple-" OSNAME);
605  return true;
606  case 4:
607  arch.SetTriple("armv7s-apple-" OSNAME);
608  return true;
609  case 5:
610  arch.SetTriple("armv7m-apple-" OSNAME);
611  return true;
612  case 6:
613  arch.SetTriple("armv7em-apple-" OSNAME);
614  return true;
615  case 7:
616  arch.SetTriple("armv6m-apple-" OSNAME);
617  return true;
618  case 8:
619  arch.SetTriple("armv6-apple-" OSNAME);
620  return true;
621  case 9:
622  arch.SetTriple("armv5-apple-" OSNAME);
623  return true;
624  case 10:
625  arch.SetTriple("armv4-apple-" OSNAME);
626  return true;
627  case 11:
628  arch.SetTriple("arm-apple-" OSNAME);
629  return true;
630  case 12:
631  arch.SetTriple("thumbv7-apple-" OSNAME);
632  return true;
633  case 13:
634  arch.SetTriple("thumbv7f-apple-" OSNAME);
635  return true;
636  case 14:
637  arch.SetTriple("thumbv7k-apple-" OSNAME);
638  return true;
639  case 15:
640  arch.SetTriple("thumbv7s-apple-" OSNAME);
641  return true;
642  case 16:
643  arch.SetTriple("thumbv7m-apple-" OSNAME);
644  return true;
645  case 17:
646  arch.SetTriple("thumbv7em-apple-" OSNAME);
647  return true;
648  case 18:
649  arch.SetTriple("thumbv6m-apple-" OSNAME);
650  return true;
651  case 19:
652  arch.SetTriple("thumbv6-apple-" OSNAME);
653  return true;
654  case 20:
655  arch.SetTriple("thumbv5-apple-" OSNAME);
656  return true;
657  case 21:
658  arch.SetTriple("thumbv4t-apple-" OSNAME);
659  return true;
660  case 22:
661  arch.SetTriple("thumb-apple-" OSNAME);
662  return true;
663  default:
664  break;
665  }
666  break;
667 
668  case ArchSpec::eCore_arm_arm64:
669  switch (idx) {
670  case 0:
671  arch.SetTriple("arm64-apple-" OSNAME);
672  return true;
673  case 1:
674  arch.SetTriple("armv7s-apple-" OSNAME);
675  return true;
676  case 2:
677  arch.SetTriple("armv7f-apple-" OSNAME);
678  return true;
679  case 3:
680  arch.SetTriple("armv7m-apple-" OSNAME);
681  return true;
682  case 4:
683  arch.SetTriple("armv7em-apple-" OSNAME);
684  return true;
685  case 5:
686  arch.SetTriple("armv7-apple-" OSNAME);
687  return true;
688  case 6:
689  arch.SetTriple("armv6m-apple-" OSNAME);
690  return true;
691  case 7:
692  arch.SetTriple("armv6-apple-" OSNAME);
693  return true;
694  case 8:
695  arch.SetTriple("armv5-apple-" OSNAME);
696  return true;
697  case 9:
698  arch.SetTriple("armv4-apple-" OSNAME);
699  return true;
700  case 10:
701  arch.SetTriple("arm-apple-" OSNAME);
702  return true;
703  case 11:
704  arch.SetTriple("thumbv7-apple-" OSNAME);
705  return true;
706  case 12:
707  arch.SetTriple("thumbv7f-apple-" OSNAME);
708  return true;
709  case 13:
710  arch.SetTriple("thumbv7k-apple-" OSNAME);
711  return true;
712  case 14:
713  arch.SetTriple("thumbv7s-apple-" OSNAME);
714  return true;
715  case 15:
716  arch.SetTriple("thumbv7m-apple-" OSNAME);
717  return true;
718  case 16:
719  arch.SetTriple("thumbv7em-apple-" OSNAME);
720  return true;
721  case 17:
722  arch.SetTriple("thumbv6m-apple-" OSNAME);
723  return true;
724  case 18:
725  arch.SetTriple("thumbv6-apple-" OSNAME);
726  return true;
727  case 19:
728  arch.SetTriple("thumbv5-apple-" OSNAME);
729  return true;
730  case 20:
731  arch.SetTriple("thumbv4t-apple-" OSNAME);
732  return true;
733  case 21:
734  arch.SetTriple("thumb-apple-" OSNAME);
735  return true;
736  default:
737  break;
738  }
739  break;
740 
741  case ArchSpec::eCore_arm_armv7f:
742  switch (idx) {
743  case 0:
744  arch.SetTriple("armv7f-apple-" OSNAME);
745  return true;
746  case 1:
747  arch.SetTriple("armv7-apple-" OSNAME);
748  return true;
749  case 2:
750  arch.SetTriple("armv6m-apple-" OSNAME);
751  return true;
752  case 3:
753  arch.SetTriple("armv6-apple-" OSNAME);
754  return true;
755  case 4:
756  arch.SetTriple("armv5-apple-" OSNAME);
757  return true;
758  case 5:
759  arch.SetTriple("armv4-apple-" OSNAME);
760  return true;
761  case 6:
762  arch.SetTriple("arm-apple-" OSNAME);
763  return true;
764  case 7:
765  arch.SetTriple("thumbv7f-apple-" OSNAME);
766  return true;
767  case 8:
768  arch.SetTriple("thumbv7-apple-" OSNAME);
769  return true;
770  case 9:
771  arch.SetTriple("thumbv6m-apple-" OSNAME);
772  return true;
773  case 10:
774  arch.SetTriple("thumbv6-apple-" OSNAME);
775  return true;
776  case 11:
777  arch.SetTriple("thumbv5-apple-" OSNAME);
778  return true;
779  case 12:
780  arch.SetTriple("thumbv4t-apple-" OSNAME);
781  return true;
782  case 13:
783  arch.SetTriple("thumb-apple-" OSNAME);
784  return true;
785  default:
786  break;
787  }
788  break;
789 
790  case ArchSpec::eCore_arm_armv7k:
791  switch (idx) {
792  case 0:
793  arch.SetTriple("armv7k-apple-" OSNAME);
794  return true;
795  case 1:
796  arch.SetTriple("armv7-apple-" OSNAME);
797  return true;
798  case 2:
799  arch.SetTriple("armv6m-apple-" OSNAME);
800  return true;
801  case 3:
802  arch.SetTriple("armv6-apple-" OSNAME);
803  return true;
804  case 4:
805  arch.SetTriple("armv5-apple-" OSNAME);
806  return true;
807  case 5:
808  arch.SetTriple("armv4-apple-" OSNAME);
809  return true;
810  case 6:
811  arch.SetTriple("arm-apple-" OSNAME);
812  return true;
813  case 7:
814  arch.SetTriple("thumbv7k-apple-" OSNAME);
815  return true;
816  case 8:
817  arch.SetTriple("thumbv7-apple-" OSNAME);
818  return true;
819  case 9:
820  arch.SetTriple("thumbv6m-apple-" OSNAME);
821  return true;
822  case 10:
823  arch.SetTriple("thumbv6-apple-" OSNAME);
824  return true;
825  case 11:
826  arch.SetTriple("thumbv5-apple-" OSNAME);
827  return true;
828  case 12:
829  arch.SetTriple("thumbv4t-apple-" OSNAME);
830  return true;
831  case 13:
832  arch.SetTriple("thumb-apple-" OSNAME);
833  return true;
834  default:
835  break;
836  }
837  break;
838 
839  case ArchSpec::eCore_arm_armv7s:
840  switch (idx) {
841  case 0:
842  arch.SetTriple("armv7s-apple-" OSNAME);
843  return true;
844  case 1:
845  arch.SetTriple("armv7-apple-" OSNAME);
846  return true;
847  case 2:
848  arch.SetTriple("armv6m-apple-" OSNAME);
849  return true;
850  case 3:
851  arch.SetTriple("armv6-apple-" OSNAME);
852  return true;
853  case 4:
854  arch.SetTriple("armv5-apple-" OSNAME);
855  return true;
856  case 5:
857  arch.SetTriple("armv4-apple-" OSNAME);
858  return true;
859  case 6:
860  arch.SetTriple("arm-apple-" OSNAME);
861  return true;
862  case 7:
863  arch.SetTriple("thumbv7s-apple-" OSNAME);
864  return true;
865  case 8:
866  arch.SetTriple("thumbv7-apple-" OSNAME);
867  return true;
868  case 9:
869  arch.SetTriple("thumbv6m-apple-" OSNAME);
870  return true;
871  case 10:
872  arch.SetTriple("thumbv6-apple-" OSNAME);
873  return true;
874  case 11:
875  arch.SetTriple("thumbv5-apple-" OSNAME);
876  return true;
877  case 12:
878  arch.SetTriple("thumbv4t-apple-" OSNAME);
879  return true;
880  case 13:
881  arch.SetTriple("thumb-apple-" OSNAME);
882  return true;
883  default:
884  break;
885  }
886  break;
887 
888  case ArchSpec::eCore_arm_armv7m:
889  switch (idx) {
890  case 0:
891  arch.SetTriple("armv7m-apple-" OSNAME);
892  return true;
893  case 1:
894  arch.SetTriple("armv7-apple-" OSNAME);
895  return true;
896  case 2:
897  arch.SetTriple("armv6m-apple-" OSNAME);
898  return true;
899  case 3:
900  arch.SetTriple("armv6-apple-" OSNAME);
901  return true;
902  case 4:
903  arch.SetTriple("armv5-apple-" OSNAME);
904  return true;
905  case 5:
906  arch.SetTriple("armv4-apple-" OSNAME);
907  return true;
908  case 6:
909  arch.SetTriple("arm-apple-" OSNAME);
910  return true;
911  case 7:
912  arch.SetTriple("thumbv7m-apple-" OSNAME);
913  return true;
914  case 8:
915  arch.SetTriple("thumbv7-apple-" OSNAME);
916  return true;
917  case 9:
918  arch.SetTriple("thumbv6m-apple-" OSNAME);
919  return true;
920  case 10:
921  arch.SetTriple("thumbv6-apple-" OSNAME);
922  return true;
923  case 11:
924  arch.SetTriple("thumbv5-apple-" OSNAME);
925  return true;
926  case 12:
927  arch.SetTriple("thumbv4t-apple-" OSNAME);
928  return true;
929  case 13:
930  arch.SetTriple("thumb-apple-" OSNAME);
931  return true;
932  default:
933  break;
934  }
935  break;
936 
937  case ArchSpec::eCore_arm_armv7em:
938  switch (idx) {
939  case 0:
940  arch.SetTriple("armv7em-apple-" OSNAME);
941  return true;
942  case 1:
943  arch.SetTriple("armv7-apple-" OSNAME);
944  return true;
945  case 2:
946  arch.SetTriple("armv6m-apple-" OSNAME);
947  return true;
948  case 3:
949  arch.SetTriple("armv6-apple-" OSNAME);
950  return true;
951  case 4:
952  arch.SetTriple("armv5-apple-" OSNAME);
953  return true;
954  case 5:
955  arch.SetTriple("armv4-apple-" OSNAME);
956  return true;
957  case 6:
958  arch.SetTriple("arm-apple-" OSNAME);
959  return true;
960  case 7:
961  arch.SetTriple("thumbv7em-apple-" OSNAME);
962  return true;
963  case 8:
964  arch.SetTriple("thumbv7-apple-" OSNAME);
965  return true;
966  case 9:
967  arch.SetTriple("thumbv6m-apple-" OSNAME);
968  return true;
969  case 10:
970  arch.SetTriple("thumbv6-apple-" OSNAME);
971  return true;
972  case 11:
973  arch.SetTriple("thumbv5-apple-" OSNAME);
974  return true;
975  case 12:
976  arch.SetTriple("thumbv4t-apple-" OSNAME);
977  return true;
978  case 13:
979  arch.SetTriple("thumb-apple-" OSNAME);
980  return true;
981  default:
982  break;
983  }
984  break;
985 
986  case ArchSpec::eCore_arm_armv7:
987  switch (idx) {
988  case 0:
989  arch.SetTriple("armv7-apple-" OSNAME);
990  return true;
991  case 1:
992  arch.SetTriple("armv6m-apple-" OSNAME);
993  return true;
994  case 2:
995  arch.SetTriple("armv6-apple-" OSNAME);
996  return true;
997  case 3:
998  arch.SetTriple("armv5-apple-" OSNAME);
999  return true;
1000  case 4:
1001  arch.SetTriple("armv4-apple-" OSNAME);
1002  return true;
1003  case 5:
1004  arch.SetTriple("arm-apple-" OSNAME);
1005  return true;
1006  case 6:
1007  arch.SetTriple("thumbv7-apple-" OSNAME);
1008  return true;
1009  case 7:
1010  arch.SetTriple("thumbv6m-apple-" OSNAME);
1011  return true;
1012  case 8:
1013  arch.SetTriple("thumbv6-apple-" OSNAME);
1014  return true;
1015  case 9:
1016  arch.SetTriple("thumbv5-apple-" OSNAME);
1017  return true;
1018  case 10:
1019  arch.SetTriple("thumbv4t-apple-" OSNAME);
1020  return true;
1021  case 11:
1022  arch.SetTriple("thumb-apple-" OSNAME);
1023  return true;
1024  default:
1025  break;
1026  }
1027  break;
1028 
1029  case ArchSpec::eCore_arm_armv6m:
1030  switch (idx) {
1031  case 0:
1032  arch.SetTriple("armv6m-apple-" OSNAME);
1033  return true;
1034  case 1:
1035  arch.SetTriple("armv6-apple-" OSNAME);
1036  return true;
1037  case 2:
1038  arch.SetTriple("armv5-apple-" OSNAME);
1039  return true;
1040  case 3:
1041  arch.SetTriple("armv4-apple-" OSNAME);
1042  return true;
1043  case 4:
1044  arch.SetTriple("arm-apple-" OSNAME);
1045  return true;
1046  case 5:
1047  arch.SetTriple("thumbv6m-apple-" OSNAME);
1048  return true;
1049  case 6:
1050  arch.SetTriple("thumbv6-apple-" OSNAME);
1051  return true;
1052  case 7:
1053  arch.SetTriple("thumbv5-apple-" OSNAME);
1054  return true;
1055  case 8:
1056  arch.SetTriple("thumbv4t-apple-" OSNAME);
1057  return true;
1058  case 9:
1059  arch.SetTriple("thumb-apple-" OSNAME);
1060  return true;
1061  default:
1062  break;
1063  }
1064  break;
1065 
1066  case ArchSpec::eCore_arm_armv6:
1067  switch (idx) {
1068  case 0:
1069  arch.SetTriple("armv6-apple-" OSNAME);
1070  return true;
1071  case 1:
1072  arch.SetTriple("armv5-apple-" OSNAME);
1073  return true;
1074  case 2:
1075  arch.SetTriple("armv4-apple-" OSNAME);
1076  return true;
1077  case 3:
1078  arch.SetTriple("arm-apple-" OSNAME);
1079  return true;
1080  case 4:
1081  arch.SetTriple("thumbv6-apple-" OSNAME);
1082  return true;
1083  case 5:
1084  arch.SetTriple("thumbv5-apple-" OSNAME);
1085  return true;
1086  case 6:
1087  arch.SetTriple("thumbv4t-apple-" OSNAME);
1088  return true;
1089  case 7:
1090  arch.SetTriple("thumb-apple-" OSNAME);
1091  return true;
1092  default:
1093  break;
1094  }
1095  break;
1096 
1097  case ArchSpec::eCore_arm_armv5:
1098  switch (idx) {
1099  case 0:
1100  arch.SetTriple("armv5-apple-" OSNAME);
1101  return true;
1102  case 1:
1103  arch.SetTriple("armv4-apple-" OSNAME);
1104  return true;
1105  case 2:
1106  arch.SetTriple("arm-apple-" OSNAME);
1107  return true;
1108  case 3:
1109  arch.SetTriple("thumbv5-apple-" OSNAME);
1110  return true;
1111  case 4:
1112  arch.SetTriple("thumbv4t-apple-" OSNAME);
1113  return true;
1114  case 5:
1115  arch.SetTriple("thumb-apple-" OSNAME);
1116  return true;
1117  default:
1118  break;
1119  }
1120  break;
1121 
1122  case ArchSpec::eCore_arm_armv4:
1123  switch (idx) {
1124  case 0:
1125  arch.SetTriple("armv4-apple-" OSNAME);
1126  return true;
1127  case 1:
1128  arch.SetTriple("arm-apple-" OSNAME);
1129  return true;
1130  case 2:
1131  arch.SetTriple("thumbv4t-apple-" OSNAME);
1132  return true;
1133  case 3:
1134  arch.SetTriple("thumb-apple-" OSNAME);
1135  return true;
1136  default:
1137  break;
1138  }
1139  break;
1140  }
1141  arch.Clear();
1142  return false;
1143 }
1144 
1145 static FileSpec GetXcodeSelectPath() {
1146  static FileSpec g_xcode_select_filespec;
1147 
1148  if (!g_xcode_select_filespec) {
1149  FileSpec xcode_select_cmd("/usr/bin/xcode-select");
1150  if (FileSystem::Instance().Exists(xcode_select_cmd)) {
1151  int exit_status = -1;
1152  int signo = -1;
1153  std::string command_output;
1154  Status status =
1155  Host::RunShellCommand("/usr/bin/xcode-select --print-path",
1156  FileSpec(), // current working directory
1157  &exit_status, &signo, &command_output,
1158  std::chrono::seconds(2), // short timeout
1159  false); // don't run in a shell
1160  if (status.Success() && exit_status == 0 && !command_output.empty()) {
1161  size_t first_non_newline = command_output.find_last_not_of("\r\n");
1162  if (first_non_newline != std::string::npos) {
1163  command_output.erase(first_non_newline + 1);
1164  }
1165  g_xcode_select_filespec = FileSpec(command_output);
1166  }
1167  }
1168  }
1169 
1170  return g_xcode_select_filespec;
1171 }
1172 
1173 BreakpointSP PlatformDarwin::SetThreadCreationBreakpoint(Target &target) {
1174  BreakpointSP bp_sp;
1175  static const char *g_bp_names[] = {
1176  "start_wqthread", "_pthread_wqthread", "_pthread_start",
1177  };
1178 
1179  static const char *g_bp_modules[] = {"libsystem_c.dylib",
1180  "libSystem.B.dylib"};
1181 
1182  FileSpecList bp_modules;
1183  for (size_t i = 0; i < llvm::array_lengthof(g_bp_modules); i++) {
1184  const char *bp_module = g_bp_modules[i];
1185  bp_modules.EmplaceBack(bp_module);
1186  }
1187 
1188  bool internal = true;
1189  bool hardware = false;
1190  LazyBool skip_prologue = eLazyBoolNo;
1191  bp_sp = target.CreateBreakpoint(&bp_modules, nullptr, g_bp_names,
1192  llvm::array_lengthof(g_bp_names),
1193  eFunctionNameTypeFull, eLanguageTypeUnknown,
1194  0, skip_prologue, internal, hardware);
1195  bp_sp->SetBreakpointKind("thread-creation");
1196 
1197  return bp_sp;
1198 }
1199 
1200 uint32_t
1201 PlatformDarwin::GetResumeCountForLaunchInfo(ProcessLaunchInfo &launch_info) {
1202  const FileSpec &shell = launch_info.GetShell();
1203  if (!shell)
1204  return 1;
1205 
1206  std::string shell_string = shell.GetPath();
1207  const char *shell_name = strrchr(shell_string.c_str(), '/');
1208  if (shell_name == nullptr)
1209  shell_name = shell_string.c_str();
1210  else
1211  shell_name++;
1212 
1213  if (strcmp(shell_name, "sh") == 0) {
1214  // /bin/sh re-exec's itself as /bin/bash requiring another resume. But it
1215  // only does this if the COMMAND_MODE environment variable is set to
1216  // "legacy".
1217  if (launch_info.GetEnvironment().lookup("COMMAND_MODE") == "legacy")
1218  return 2;
1219  return 1;
1220  } else if (strcmp(shell_name, "csh") == 0 ||
1221  strcmp(shell_name, "tcsh") == 0 ||
1222  strcmp(shell_name, "zsh") == 0) {
1223  // csh and tcsh always seem to re-exec themselves.
1224  return 2;
1225  } else
1226  return 1;
1227 }
1228 
1229 lldb::ProcessSP PlatformDarwin::DebugProcess(ProcessLaunchInfo &launch_info,
1230  Debugger &debugger, Target &target,
1231  Status &error) {
1232  ProcessSP process_sp;
1233 
1234  if (IsHost()) {
1235  // We are going to hand this process off to debugserver which will be in
1236  // charge of setting the exit status. However, we still need to reap it
1237  // from lldb. So, make sure we use a exit callback which does not set exit
1238  // status.
1239  const bool monitor_signals = false;
1240  launch_info.SetMonitorProcessCallback(
1241  &ProcessLaunchInfo::NoOpMonitorCallback, monitor_signals);
1242  process_sp = Platform::DebugProcess(launch_info, debugger, target, error);
1243  } else {
1244  if (m_remote_platform_sp)
1245  process_sp = m_remote_platform_sp->DebugProcess(launch_info, debugger,
1246  target, error);
1247  else
1248  error.SetErrorString("the platform is not currently connected");
1249  }
1250  return process_sp;
1251 }
1252 
1253 void PlatformDarwin::CalculateTrapHandlerSymbolNames() {
1254  m_trap_handlers.push_back(ConstString("_sigtramp"));
1255 }
1256 
1257 static FileSpec GetCommandLineToolsLibraryPath() {
1258  static FileSpec g_command_line_tools_filespec;
1259 
1260  if (!g_command_line_tools_filespec) {
1261  FileSpec command_line_tools_path(GetXcodeSelectPath());
1262  command_line_tools_path.AppendPathComponent("Library");
1263  if (FileSystem::Instance().Exists(command_line_tools_path)) {
1264  g_command_line_tools_filespec = command_line_tools_path;
1265  }
1266  }
1267 
1268  return g_command_line_tools_filespec;
1269 }
1270 
1271 FileSystem::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator(
1272  void *baton, llvm::sys::fs::file_type file_type, llvm::StringRef path) {
1273  SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(baton);
1274 
1275  FileSpec spec(path);
1276  if (XcodeSDK::SDKSupportsModules(enumerator_info->sdk_type, spec)) {
1277  enumerator_info->found_path = spec;
1278  return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
1279  }
1280 
1281  return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
1282 }
1283 
1284 FileSpec PlatformDarwin::FindSDKInXcodeForModules(XcodeSDK::Type sdk_type,
1285  const FileSpec &sdks_spec) {
1286  // Look inside Xcode for the required installed iOS SDK version
1287 
1288  if (!FileSystem::Instance().IsDirectory(sdks_spec)) {
1289  return FileSpec();
1290  }
1291 
1292  const bool find_directories = true;
1293  const bool find_files = false;
1294  const bool find_other = true; // include symlinks
1295 
1296  SDKEnumeratorInfo enumerator_info;
1297 
1298  enumerator_info.sdk_type = sdk_type;
1299 
1300  FileSystem::Instance().EnumerateDirectory(
1301  sdks_spec.GetPath(), find_directories, find_files, find_other,
1302  DirectoryEnumerator, &enumerator_info);
1303 
1304  if (FileSystem::Instance().IsDirectory(enumerator_info.found_path))
1305  return enumerator_info.found_path;
1306  else
1307  return FileSpec();
1308 }
1309 
1310 FileSpec PlatformDarwin::GetSDKDirectoryForModules(XcodeSDK::Type sdk_type) {
1311  FileSpec sdks_spec = HostInfo::GetXcodeContentsDirectory();
1312  sdks_spec.AppendPathComponent("Developer");
1313  sdks_spec.AppendPathComponent("Platforms");
1314 
1315  switch (sdk_type) {
1316  case XcodeSDK::Type::MacOSX:
1317  sdks_spec.AppendPathComponent("MacOSX.platform");
1318  break;
1319  case XcodeSDK::Type::iPhoneSimulator:
1320  sdks_spec.AppendPathComponent("iPhoneSimulator.platform");
1321  break;
1322  case XcodeSDK::Type::iPhoneOS:
1323  sdks_spec.AppendPathComponent("iPhoneOS.platform");
1324  break;
1325  case XcodeSDK::Type::WatchSimulator:
1326  sdks_spec.AppendPathComponent("WatchSimulator.platform");
1327  break;
1328  case XcodeSDK::Type::AppleTVSimulator:
1329  sdks_spec.AppendPathComponent("AppleTVSimulator.platform");
1330  break;
1331  default:
1332  llvm_unreachable("unsupported sdk");
1333  }
1334 
1335  sdks_spec.AppendPathComponent("Developer");
1336  sdks_spec.AppendPathComponent("SDKs");
1337 
1338  if (sdk_type == XcodeSDK::Type::MacOSX) {
1339  llvm::VersionTuple version = HostInfo::GetOSVersion();
1340 
1341  if (!version.empty()) {
1342  if (XcodeSDK::SDKSupportsModules(XcodeSDK::Type::MacOSX, version)) {
1343  // If the Xcode SDKs are not available then try to use the
1344  // Command Line Tools one which is only for MacOSX.
1345  if (!FileSystem::Instance().Exists(sdks_spec)) {
1346  sdks_spec = GetCommandLineToolsLibraryPath();
1347  sdks_spec.AppendPathComponent("SDKs");
1348  }
1349 
1350  // We slightly prefer the exact SDK for this machine. See if it is
1351  // there.
1352 
1353  FileSpec native_sdk_spec = sdks_spec;
1354  StreamString native_sdk_name;
1355  native_sdk_name.Printf("MacOSX%u.%u.sdk", version.getMajor(),
1356  version.getMinor().getValueOr(0));
1357  native_sdk_spec.AppendPathComponent(native_sdk_name.GetString());
1358 
1359  if (FileSystem::Instance().Exists(native_sdk_spec)) {
1360  return native_sdk_spec;
1361  }
1362  }
1363  }
1364  }
1365 
1366  return FindSDKInXcodeForModules(sdk_type, sdks_spec);
1367 }
1368 
1369 std::tuple<llvm::VersionTuple, llvm::StringRef>
1370 PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) {
1371  llvm::StringRef build;
1372  llvm::StringRef version_str;
1373  llvm::StringRef build_str;
1374  std::tie(version_str, build_str) = dir.split(' ');
1375  llvm::VersionTuple version;
1376  if (!version.tryParse(version_str) ||
1377  build_str.empty()) {
1378  if (build_str.consume_front("(")) {
1379  size_t pos = build_str.find(')');
1380  build = build_str.slice(0, pos);
1381  }
1382  }
1383 
1384  return std::make_tuple(version, build);
1385 }
1386 
1387 llvm::Expected<StructuredData::DictionarySP>
1388 PlatformDarwin::FetchExtendedCrashInformation(Process &process) {
1389  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
1390 
1391  StructuredData::ArraySP annotations = ExtractCrashInfoAnnotations(process);
1392 
1393  if (!annotations || !annotations->GetSize()) {
1394  LLDB_LOG(log, "Couldn't extract crash information annotations");
1395  return nullptr;
1396  }
1397 
1398  StructuredData::DictionarySP extended_crash_info =
1399  std::make_shared<StructuredData::Dictionary>();
1400 
1401  extended_crash_info->AddItem("crash-info annotations", annotations);
1402 
1403  return extended_crash_info;
1404 }
1405 
1406 StructuredData::ArraySP
1407 PlatformDarwin::ExtractCrashInfoAnnotations(Process &process) {
1408  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
1409 
1410  ConstString section_name("__crash_info");
1411  Target &target = process.GetTarget();
1412  StructuredData::ArraySP array_sp = std::make_shared<StructuredData::Array>();
1413 
1414  for (ModuleSP module : target.GetImages().Modules()) {
1415  SectionList *sections = module->GetSectionList();
1416 
1417  std::string module_name = module->GetSpecificationDescription();
1418 
1419  // The DYDL module is skipped since it's always loaded when running the
1420  // binary.
1421  if (module_name == "/usr/lib/dyld")
1422  continue;
1423 
1424  if (!sections) {
1425  LLDB_LOG(log, "Module {0} doesn't have any section!", module_name);
1426  continue;
1427  }
1428 
1429  SectionSP crash_info = sections->FindSectionByName(section_name);
1430  if (!crash_info) {
1431  LLDB_LOG(log, "Module {0} doesn't have section {1}!", module_name,
1432  section_name);
1433  continue;
1434  }
1435 
1436  addr_t load_addr = crash_info->GetLoadBaseAddress(&target);
1437 
1438  if (load_addr == LLDB_INVALID_ADDRESS) {
1439  LLDB_LOG(log, "Module {0} has an invalid '{1}' section load address: {2}",
1440  module_name, section_name, load_addr);
1441  continue;
1442  }
1443 
1444  Status error;
1445  CrashInfoAnnotations annotations;
1446  size_t expected_size = sizeof(CrashInfoAnnotations);
1447  size_t bytes_read = process.ReadMemoryFromInferior(load_addr, &annotations,
1448  expected_size, error);
1449 
1450  if (expected_size != bytes_read || error.Fail()) {
1451  LLDB_LOG(log, "Failed to read {0} section from memory in module {1}: {2}",
1452  section_name, module_name, error);
1453  continue;
1454  }
1455 
1456  // initial support added for version 5
1457  if (annotations.version < 5) {
1458  LLDB_LOG(log,
1459  "Annotation version lower than 5 unsupported! Module {0} has "
1460  "version {1} instead.",
1461  module_name, annotations.version);
1462  continue;
1463  }
1464 
1465  if (!annotations.message) {
1466  LLDB_LOG(log, "No message available for module {0}.", module_name);
1467  continue;
1468  }
1469 
1470  std::string message;
1471  bytes_read =
1472  process.ReadCStringFromMemory(annotations.message, message, error);
1473 
1474  if (message.empty() || bytes_read != message.size() || error.Fail()) {
1475  LLDB_LOG(log, "Failed to read the message from memory in module {0}: {1}",
1476  module_name, error);
1477  continue;
1478  }
1479 
1480  // Remove trailing newline from message
1481  if (message.back() == '\n')
1482  message.pop_back();
1483 
1484  if (!annotations.message2)
1485  LLDB_LOG(log, "No message2 available for module {0}.", module_name);
1486 
1487  std::string message2;
1488  bytes_read =
1489  process.ReadCStringFromMemory(annotations.message2, message2, error);
1490 
1491  if (!message2.empty() && bytes_read == message2.size() && error.Success())
1492  if (message2.back() == '\n')
1493  message2.pop_back();
1494 
1495  StructuredData::DictionarySP entry_sp =
1496  std::make_shared<StructuredData::Dictionary>();
1497 
1498  entry_sp->AddStringItem("image", module->GetFileSpec().GetPath(false));
1499  entry_sp->AddStringItem("uuid", module->GetUUID().GetAsString());
1500  entry_sp->AddStringItem("message", message);
1501  entry_sp->AddStringItem("message2", message2);
1502  entry_sp->AddIntegerItem("abort-cause", annotations.abort_cause);
1503 
1504  array_sp->AddItem(entry_sp);
1505  }
1506 
1507  return array_sp;
1508 }
1509 
1510 void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType(
1511  Target *target, std::vector<std::string> &options, XcodeSDK::Type sdk_type) {
1512  const std::vector<std::string> apple_arguments = {
1513  "-x", "objective-c++", "-fobjc-arc",
1514  "-fblocks", "-D_ISO646_H", "-D__ISO646_H",
1515  "-fgnuc-version=4.2.1"};
1516 
1517  options.insert(options.end(), apple_arguments.begin(), apple_arguments.end());
1518 
1519  StreamString minimum_version_option;
1520  bool use_current_os_version = false;
1521  // If the SDK type is for the host OS, use its version number.
1522  auto get_host_os = []() { return HostInfo::GetTargetTriple().getOS(); };
1523  switch (sdk_type) {
1524  case XcodeSDK::Type::MacOSX:
1525  use_current_os_version = get_host_os() == llvm::Triple::MacOSX;
1526  break;
1527  case XcodeSDK::Type::iPhoneOS:
1528  use_current_os_version = get_host_os() == llvm::Triple::IOS;
1529  break;
1530  case XcodeSDK::Type::AppleTVOS:
1531  use_current_os_version = get_host_os() == llvm::Triple::TvOS;
1532  break;
1533  case XcodeSDK::Type::watchOS:
1534  use_current_os_version = get_host_os() == llvm::Triple::WatchOS;
1535  break;
1536  default:
1537  break;
1538  }
1539 
1540  llvm::VersionTuple version;
1541  if (use_current_os_version)
1542  version = GetOSVersion();
1543  else if (target) {
1544  // Our OS doesn't match our executable so we need to get the min OS version
1545  // from the object file
1546  ModuleSP exe_module_sp = target->GetExecutableModule();
1547  if (exe_module_sp) {
1548  ObjectFile *object_file = exe_module_sp->GetObjectFile();
1549  if (object_file)
1550  version = object_file->GetMinimumOSVersion();
1551  }
1552  }
1553  // Only add the version-min options if we got a version from somewhere
1554  if (!version.empty() && sdk_type != XcodeSDK::Type::Linux) {
1555 #define OPTION(PREFIX, NAME, VAR, ...) \
1556  const char *opt_##VAR = NAME; \
1557  (void)opt_##VAR;
1558 #include "clang/Driver/Options.inc"
1559 #undef OPTION
1560  minimum_version_option << '-';
1561  switch (sdk_type) {
1562  case XcodeSDK::Type::MacOSX:
1563  minimum_version_option << opt_mmacosx_version_min_EQ;
1564  break;
1565  case XcodeSDK::Type::iPhoneSimulator:
1566  minimum_version_option << opt_mios_simulator_version_min_EQ;
1567  break;
1568  case XcodeSDK::Type::iPhoneOS:
1569  minimum_version_option << opt_mios_version_min_EQ;
1570  break;
1571  case XcodeSDK::Type::AppleTVSimulator:
1572  minimum_version_option << opt_mtvos_simulator_version_min_EQ;
1573  break;
1574  case XcodeSDK::Type::AppleTVOS:
1575  minimum_version_option << opt_mtvos_version_min_EQ;
1576  break;
1577  case XcodeSDK::Type::WatchSimulator:
1578  minimum_version_option << opt_mwatchos_simulator_version_min_EQ;
1579  break;
1580  case XcodeSDK::Type::watchOS:
1581  minimum_version_option << opt_mwatchos_version_min_EQ;
1582  break;
1583  case XcodeSDK::Type::bridgeOS:
1584  case XcodeSDK::Type::Linux:
1585  case XcodeSDK::Type::unknown:
1586  if (lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST)) {
1587  XcodeSDK::Info info;
1588  info.type = sdk_type;
1589  LLDB_LOGF(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST),
1590  "Clang modules on %s are not supported",
1591  XcodeSDK::GetCanonicalName(info).c_str());
1592  }
1593  return;
1594  }
1595  minimum_version_option << version.getAsString();
1596  options.emplace_back(std::string(minimum_version_option.GetString()));
1597  }
1598 
1599  FileSpec sysroot_spec;
1600  // Scope for mutex locker below
1601  {
1602  std::lock_guard<std::mutex> guard(m_mutex);
1603  sysroot_spec = GetSDKDirectoryForModules(sdk_type);
1604  }
1605 
1606  if (FileSystem::Instance().IsDirectory(sysroot_spec.GetPath())) {
1607  options.push_back("-isysroot");
1608  options.push_back(sysroot_spec.GetPath());
1609  }
1610 }
1611 
1612 ConstString PlatformDarwin::GetFullNameForDylib(ConstString basename) {
1613  if (basename.IsEmpty())
1614  return basename;
1615 
1616  StreamString stream;
1617  stream.Printf("lib%s.dylib", basename.GetCString());
1618  return ConstString(stream.GetString());
1619 }
1620 
1621 llvm::VersionTuple PlatformDarwin::GetOSVersion(Process *process) {
1622  if (process && strstr(GetPluginName().GetCString(), "-simulator")) {
1623  lldb_private::ProcessInstanceInfo proc_info;
1624  if (Host::GetProcessInfo(process->GetID(), proc_info)) {
1625  const Environment &env = proc_info.GetEnvironment();
1626 
1627  llvm::VersionTuple result;
1628  if (!result.tryParse(env.lookup("SIMULATOR_RUNTIME_VERSION")))
1629  return result;
1630 
1631  std::string dyld_root_path = env.lookup("DYLD_ROOT_PATH");
1632  if (!dyld_root_path.empty()) {
1633  dyld_root_path += "/System/Library/CoreServices/SystemVersion.plist";
1634  ApplePropertyList system_version_plist(dyld_root_path.c_str());
1635  std::string product_version;
1636  if (system_version_plist.GetValueAsString("ProductVersion",
1637  product_version)) {
1638  if (!result.tryParse(product_version))
1639  return result;
1640  }
1641  }
1642  }
1643  // For simulator platforms, do NOT call back through
1644  // Platform::GetOSVersion() as it might call Process::GetHostOSVersion()
1645  // which we don't want as it will be incorrect
1646  return llvm::VersionTuple();
1647  }
1648 
1649  return Platform::GetOSVersion(process);
1650 }
1651 
1652 lldb_private::FileSpec PlatformDarwin::LocateExecutable(const char *basename) {
1653  // A collection of SBFileSpec whose SBFileSpec.m_directory members are filled
1654  // in with any executable directories that should be searched.
1655  static std::vector<FileSpec> g_executable_dirs;
1656 
1657  // Find the global list of directories that we will search for executables
1658  // once so we don't keep doing the work over and over.
1659  static llvm::once_flag g_once_flag;
1660  llvm::call_once(g_once_flag, []() {
1661 
1662  // When locating executables, trust the DEVELOPER_DIR first if it is set
1663  FileSpec xcode_contents_dir = HostInfo::GetXcodeContentsDirectory();
1664  if (xcode_contents_dir) {
1665  FileSpec xcode_lldb_resources = xcode_contents_dir;
1666  xcode_lldb_resources.AppendPathComponent("SharedFrameworks");
1667  xcode_lldb_resources.AppendPathComponent("LLDB.framework");
1668  xcode_lldb_resources.AppendPathComponent("Resources");
1669  if (FileSystem::Instance().Exists(xcode_lldb_resources)) {
1670  FileSpec dir;
1671  dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str());
1672  g_executable_dirs.push_back(dir);
1673  }
1674  }
1675  // Xcode might not be installed so we also check for the Command Line Tools.
1676  FileSpec command_line_tools_dir = GetCommandLineToolsLibraryPath();
1677  if (command_line_tools_dir) {
1678  FileSpec cmd_line_lldb_resources = command_line_tools_dir;
1679  cmd_line_lldb_resources.AppendPathComponent("PrivateFrameworks");
1680  cmd_line_lldb_resources.AppendPathComponent("LLDB.framework");
1681  cmd_line_lldb_resources.AppendPathComponent("Resources");
1682  if (FileSystem::Instance().Exists(cmd_line_lldb_resources)) {
1683  FileSpec dir;
1684  dir.GetDirectory().SetCString(
1685  cmd_line_lldb_resources.GetPath().c_str());
1686  g_executable_dirs.push_back(dir);
1687  }
1688  }
1689  });
1690 
1691  // Now search the global list of executable directories for the executable we
1692  // are looking for
1693  for (const auto &executable_dir : g_executable_dirs) {
1694  FileSpec executable_file;
1695  executable_file.GetDirectory() = executable_dir.GetDirectory();
1696  executable_file.GetFilename().SetCString(basename);
1697  if (FileSystem::Instance().Exists(executable_file))
1698  return executable_file;
1699  }
1700 
1701  return FileSpec();
1702 }
1703 
1704 lldb_private::Status
1705 PlatformDarwin::LaunchProcess(lldb_private::ProcessLaunchInfo &launch_info) {
1706  // Starting in Fall 2016 OSes, NSLog messages only get mirrored to stderr if
1707  // the OS_ACTIVITY_DT_MODE environment variable is set. (It doesn't require
1708  // any specific value; rather, it just needs to exist). We will set it here
1709  // as long as the IDE_DISABLED_OS_ACTIVITY_DT_MODE flag is not set. Xcode
1710  // makes use of IDE_DISABLED_OS_ACTIVITY_DT_MODE to tell
1711  // LLDB *not* to muck with the OS_ACTIVITY_DT_MODE flag when they
1712  // specifically want it unset.
1713  const char *disable_env_var = "IDE_DISABLED_OS_ACTIVITY_DT_MODE";
1714  auto &env_vars = launch_info.GetEnvironment();
1715  if (!env_vars.count(disable_env_var)) {
1716  // We want to make sure that OS_ACTIVITY_DT_MODE is set so that we get
1717  // os_log and NSLog messages mirrored to the target process stderr.
1718  env_vars.try_emplace("OS_ACTIVITY_DT_MODE", "enable");
1719  }
1720 
1721  // Let our parent class do the real launching.
1722  return PlatformPOSIX::LaunchProcess(launch_info);
1723 }
1724 
1725 lldb_private::Status PlatformDarwin::FindBundleBinaryInExecSearchPaths(
1726  const ModuleSpec &module_spec, Process *process, ModuleSP &module_sp,
1727  const FileSpecList *module_search_paths_ptr,
1728  llvm::SmallVectorImpl<ModuleSP> *old_modules, bool *did_create_ptr) {
1729  const FileSpec &platform_file = module_spec.GetFileSpec();
1730  // See if the file is present in any of the module_search_paths_ptr
1731  // directories.
1732  if (!module_sp && module_search_paths_ptr && platform_file) {
1733  // create a vector of all the file / directory names in platform_file e.g.
1734  // this might be
1735  // /System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation
1736  //
1737  // We'll need to look in the module_search_paths_ptr directories for both
1738  // "UIFoundation" and "UIFoundation.framework" -- most likely the latter
1739  // will be the one we find there.
1740 
1741  FileSpec platform_pull_upart(platform_file);
1742  std::vector<std::string> path_parts;
1743  path_parts.push_back(
1744  platform_pull_upart.GetLastPathComponent().AsCString());
1745  while (platform_pull_upart.RemoveLastPathComponent()) {
1746  ConstString part = platform_pull_upart.GetLastPathComponent();
1747  path_parts.push_back(part.AsCString());
1748  }
1749  const size_t path_parts_size = path_parts.size();
1750 
1751  size_t num_module_search_paths = module_search_paths_ptr->GetSize();
1752  for (size_t i = 0; i < num_module_search_paths; ++i) {
1753  Log *log_verbose = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
1754  LLDB_LOGF(
1755  log_verbose,
1756  "PlatformRemoteDarwinDevice::GetSharedModule searching for binary in "
1757  "search-path %s",
1758  module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath().c_str());
1759  // Create a new FileSpec with this module_search_paths_ptr plus just the
1760  // filename ("UIFoundation"), then the parent dir plus filename
1761  // ("UIFoundation.framework/UIFoundation") etc - up to four names (to
1762  // handle "Foo.framework/Contents/MacOS/Foo")
1763 
1764  for (size_t j = 0; j < 4 && j < path_parts_size - 1; ++j) {
1765  FileSpec path_to_try(module_search_paths_ptr->GetFileSpecAtIndex(i));
1766 
1767  // Add the components backwards. For
1768  // .../PrivateFrameworks/UIFoundation.framework/UIFoundation path_parts
1769  // is
1770  // [0] UIFoundation
1771  // [1] UIFoundation.framework
1772  // [2] PrivateFrameworks
1773  //
1774  // and if 'j' is 2, we want to append path_parts[1] and then
1775  // path_parts[0], aka 'UIFoundation.framework/UIFoundation', to the
1776  // module_search_paths_ptr path.
1777 
1778  for (int k = j; k >= 0; --k) {
1779  path_to_try.AppendPathComponent(path_parts[k]);
1780  }
1781 
1782  if (FileSystem::Instance().Exists(path_to_try)) {
1783  ModuleSpec new_module_spec(module_spec);
1784  new_module_spec.GetFileSpec() = path_to_try;
1785  Status new_error(
1786  Platform::GetSharedModule(new_module_spec, process, module_sp,
1787  nullptr, old_modules, did_create_ptr));
1788 
1789  if (module_sp) {
1790  module_sp->SetPlatformFileSpec(path_to_try);
1791  return new_error;
1792  }
1793  }
1794  }
1795  }
1796  }
1797  return Status();
1798 }
1799 
1800 std::string PlatformDarwin::FindComponentInPath(llvm::StringRef path,
1801  llvm::StringRef component) {
1802  auto begin = llvm::sys::path::begin(path);
1803  auto end = llvm::sys::path::end(path);
1804  for (auto it = begin; it != end; ++it) {
1805  if (it->contains(component)) {
1806  llvm::SmallString<128> buffer;
1807  llvm::sys::path::append(buffer, begin, ++it,
1808  llvm::sys::path::Style::posix);
1809  return buffer.str().str();
1810  }
1811  }
1812  return {};
1813 }
1814 
1815 FileSpec PlatformDarwin::GetCurrentToolchainDirectory() {
1816  if (FileSpec fspec = HostInfo::GetShlibDir())
1817  return FileSpec(FindComponentInPath(fspec.GetPath(), ".xctoolchain"));
1818  return {};
1819 }
1820 
1821 FileSpec PlatformDarwin::GetCurrentCommandLineToolsDirectory() {
1822  if (FileSpec fspec = HostInfo::GetShlibDir())
1823  return FileSpec(FindComponentInPath(fspec.GetPath(), "CommandLineTools"));
1824  return {};
1825 }
lldb_private::ProcessInstanceInfo
Definition: ProcessInfo.h:108
lldb_private::SymbolFile
Definition: SymbolFile.h:37
PlatformDarwin::DirectoryEnumerator
static lldb_private::FileSystem::EnumerateDirectoryResult DirectoryEnumerator(void *baton, llvm::sys::fs::file_type file_type, llvm::StringRef path)
Definition: PlatformDarwin.cpp:1271
PlatformDarwin::FindSDKInXcodeForModules
static lldb_private::FileSpec FindSDKInXcodeForModules(lldb_private::XcodeSDK::Type sdk_type, const lldb_private::FileSpec &sdks_spec)
Definition: PlatformDarwin.cpp:1284
lldb_private::FileSpec::GetLastPathComponent
ConstString GetLastPathComponent() const
Definition: FileSpec.cpp:415
lldb_private::SectionList::FindSectionByName
lldb::SectionSP FindSectionByName(ConstString section_dstr) const
Definition: Section.cpp:484
lldb_private::ArchSpec
Definition: ArchSpec.h:33
lldb_private::ObjectFile::GetFileSpec
virtual FileSpec & GetFileSpec()
Get accessor to the object file specification.
Definition: ObjectFile.h:290
lldb_private::ModuleSpec::GetPlatformFileSpec
FileSpec & GetPlatformFileSpec()
Definition: ModuleSpec.h:70
lldb_private::ModuleSpec::GetUUIDPtr
UUID * GetUUIDPtr()
Definition: ModuleSpec.h:98
lldb_private::ModuleList::Modules
ModuleIterable Modules() const
Definition: ModuleList.h:482
lldb_private::ArchSpec::GetMachine
llvm::Triple::ArchType GetMachine() const
Returns a machine family for the current architecture.
Definition: ArchSpec.cpp:667
ModuleSpec.h
Host.h
PlatformDarwin::~PlatformDarwin
~PlatformDarwin() override
Destructor.
PlatformDarwin::x86GetSupportedArchitectureAtIndex
bool x86GetSupportedArchitectureAtIndex(uint32_t idx, lldb_private::ArchSpec &arch)
Definition: PlatformDarwin.cpp:517
lldb_private::ArchSpec::GetCore
Core GetCore() const
Definition: ArchSpec.h:423
GetCommandLineToolsLibraryPath
static FileSpec GetCommandLineToolsLibraryPath()
Definition: PlatformDarwin.cpp:1257
PlatformDarwin::CrashInfoAnnotations
Definition: PlatformDarwin.h:106
PlatformDarwin::SetThreadCreationBreakpoint
lldb::BreakpointSP SetThreadCreationBreakpoint(lldb_private::Target &target) override
Definition: PlatformDarwin.cpp:1173
LLDB_LOGF
#define LLDB_LOGF(log,...)
Definition: Log.h:249
lldb_private::Process
Definition: Process.h:340
lldb_private::Target::GetExecutableModule
lldb::ModuleSP GetExecutableModule()
Gets the module for the main executable.
Definition: Target.cpp:1348
lldb_private::Platform::GetLocalCacheDirectory
virtual const char * GetLocalCacheDirectory()
Definition: Platform.cpp:1346
Module.h
lldb_private::BreakpointSite::GetOwnerAtIndex
lldb::BreakpointLocationSP GetOwnerAtIndex(size_t idx)
This method returns the breakpoint location at index index located at this breakpoint site.
Definition: BreakpointSite.cpp:142
BreakpointLocation.h
PlatformDarwin::LocateExecutable
lldb_private::FileSpec LocateExecutable(const char *basename) override
Find a support executable that may not live within in the standard locations related to LLDB.
Definition: PlatformDarwin.cpp:1652
PlatformDarwin::GetSDKDirectoryForModules
static lldb_private::FileSpec GetSDKDirectoryForModules(lldb_private::XcodeSDK::Type sdk_type)
Definition: PlatformDarwin.cpp:1310
lldb_private::Process::GetTarget
Target & GetTarget()
Get the target object pointer for this module.
Definition: Process.h:1212
lldb_private::RemoteAwarePlatform::LaunchProcess
Status LaunchProcess(ProcessLaunchInfo &launch_info) override
Launch a new process on a platform, not necessarily for debugging, it could be just for running the p...
Definition: RemoteAwarePlatform.cpp:419
LIBLLDB_LOG_PLATFORM
#define LIBLLDB_LOG_PLATFORM
Definition: Logging.h:39
lldb_private::Module::GetSymbolFile
virtual SymbolFile * GetSymbolFile(bool can_create=true, Stream *feedback_strm=nullptr)
Get the module's symbol file.
Definition: Module.cpp:1035
lldb_private::ConstString::SetCString
void SetCString(const char *cstr)
Set the C string value.
Definition: ConstString.cpp:302
lldb_private::Module
Definition: Module.h:84
lldb_private::ConstString::AsCString
const char * AsCString(const char *value_if_empty=nullptr) const
Get the string value as a C string.
Definition: ConstString.h:193
LocateSymbolFile.h
lldb_private::SectionList
Definition: Section.h:34
lldb_private::Platform::m_trap_handlers
std::vector< ConstString > m_trap_handlers
Definition: Platform.h:900
PlatformDarwin::ARMGetSupportedArchitectureAtIndex
bool ARMGetSupportedArchitectureAtIndex(uint32_t idx, lldb_private::ArchSpec &arch)
The architecture selection rules for arm processors These cpu subtypes have distinct names (e....
Definition: PlatformDarwin.cpp:561
lldb_private::Stream
Definition: Stream.h:28
lldb_private::Process::ReadCStringFromMemory
size_t ReadCStringFromMemory(lldb::addr_t vm_addr, char *cstr, size_t cstr_max_len, Status &error)
Read a NULL terminated C string from memory.
Definition: Process.cpp:2028
PlatformDarwin::GetCurrentCommandLineToolsDirectory
static lldb_private::FileSpec GetCurrentCommandLineToolsDirectory()
Return the command line tools directory the current LLDB instance is located in.
Definition: PlatformDarwin.cpp:1821
lldb_private::Target::CreateBreakpoint
lldb::BreakpointSP CreateBreakpoint(const FileSpecList *containingModules, const FileSpec &file, uint32_t line_no, uint32_t column, lldb::addr_t offset, LazyBool check_inlines, LazyBool skip_prologue, bool internal, bool request_hardware, LazyBool move_to_nearest_code)
Definition: Target.cpp:331
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
lldb_private::XcodeSDK::Info
A parsed SDK directory name.
Definition: XcodeSDK.h:44
lldb_private::LazyBool
LazyBool
Definition: lldb-private-enumerations.h:115
lldb_private::Debugger::GetScriptLanguage
lldb::ScriptLanguage GetScriptLanguage() const
Definition: Debugger.cpp:306
lldb_private::ObjectFile::Type
Type
Definition: ObjectFile.h:64
lldb_private::Target::GetDebugger
Debugger & GetDebugger()
Definition: Target.h:999
lldb_private::FileSpec::CopyByRemovingLastPathComponent
FileSpec CopyByRemovingLastPathComponent() const
Definition: FileSpec.cpp:406
Debugger.h
lldb_private::Target
Definition: Target.h:450
PlatformDarwin::SDKEnumeratorInfo::found_path
lldb_private::FileSpec found_path
Definition: PlatformDarwin.h:144
lldb_private::Debugger::GetScriptInterpreter
ScriptInterpreter * GetScriptInterpreter(bool can_create=true, llvm::Optional< lldb::ScriptLanguage > language={})
Definition: Debugger.cpp:1275
Section.h
PlatformDarwin::SDKEnumeratorInfo
Definition: PlatformDarwin.h:143
lldb_private::Target::GetImages
const ModuleList & GetImages() const
Get accessor for the images for this process.
Definition: Target.h:924
lldb_private::StreamString::GetString
llvm::StringRef GetString() const
Definition: StreamString.cpp:51
lldb_private::Platform::m_mutex
std::mutex m_mutex
Definition: Platform.h:890
lldb_private::ModuleSpec::GetSymbolFileSpec
FileSpec & GetSymbolFileSpec()
Definition: ModuleSpec.h:82
lldb_private::ApplePropertyList::GetValueAsString
bool GetValueAsString(const char *key, std::string &value) const
Definition: XML.cpp:399
lldb_private::Process::ReadMemoryFromInferior
size_t ReadMemoryFromInferior(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)
Read of memory from a process.
Definition: Process.cpp:2074
Process.h
lldb_private::ArchSpec::Core
Core
Definition: ArchSpec.h:101
PlatformDarwin::GetSharedModule
lldb_private::Status GetSharedModule(const lldb_private::ModuleSpec &module_spec, lldb_private::Process *process, lldb::ModuleSP &module_sp, const lldb_private::FileSpecList *module_search_paths_ptr, llvm::SmallVectorImpl< lldb::ModuleSP > *old_modules, bool *did_create_ptr) override
Definition: PlatformDarwin.cpp:366
Target.h
lldb_private::ModuleSpec::GetUUID
UUID & GetUUID()
Definition: ModuleSpec.h:104
PlatformDarwin::PlatformDarwin
PlatformDarwin(bool is_host)
Default Constructor.
Definition: PlatformDarwin.cpp:51
LIBLLDB_LOG_HOST
#define LIBLLDB_LOG_HOST
Definition: Logging.h:28
lldb_private::Module::GetFileSpec
const FileSpec & GetFileSpec() const
Get const accessor for the module file specification.
Definition: Module.h:476
PlatformPOSIX::PutFile
lldb_private::Status PutFile(const lldb_private::FileSpec &source, const lldb_private::FileSpec &destination, uint32_t uid=UINT32_MAX, uint32_t gid=UINT32_MAX) override
Definition: PlatformPOSIX.cpp:89
lldb_private::Platform::GetSystemArchitecture
const ArchSpec & GetSystemArchitecture()
Definition: Platform.cpp:887
Platform.h
lldb_private::FileSpec
Definition: FileSpec.h:56
error
static llvm::raw_ostream & error(Stream &strm)
Definition: CommandReturnObject.cpp:17
lldb_private::Status::Success
bool Success() const
Test for success condition.
Definition: Status.cpp:288
PlatformPOSIX
Definition: PlatformPOSIX.h:18
ProcessInfo.h
lldb_private::BreakpointSite
Definition: BreakpointSite.h:35
PlatformDarwin::PutFile
lldb_private::Status PutFile(const lldb_private::FileSpec &source, const lldb_private::FileSpec &destination, uint32_t uid=UINT32_MAX, uint32_t gid=UINT32_MAX) override
Definition: PlatformDarwin.cpp:60
lldb_private::ProcessLaunchInfo
Definition: ProcessLaunchInfo.h:31
strcasestr
char * strcasestr(const char *s, const char *find)
Definition: Windows.cpp:47
Log.h
lldb_private::ConstString::IsEmpty
bool IsEmpty() const
Test for empty string.
Definition: ConstString.h:304
PlatformDarwin::CrashInfoAnnotations::abort_cause
uint64_t abort_cause
Definition: PlatformDarwin.h:114
MakeCacheFolderForFile
static lldb_private::Status MakeCacheFolderForFile(const FileSpec &module_cache_spec)
Definition: PlatformDarwin.cpp:206
GetXcodeSelectPath
static FileSpec GetXcodeSelectPath()
Definition: PlatformDarwin.cpp:1145
lldb_private::ArchSpec::SetTriple
bool SetTriple(const llvm::Triple &triple)
Architecture triple setter.
Definition: ArchSpec.cpp:739
PlatformDarwin::AddClangModuleCompilationOptionsForSDKType
void AddClangModuleCompilationOptionsForSDKType(lldb_private::Target *target, std::vector< std::string > &options, lldb_private::XcodeSDK::Type sdk_type)
Definition: PlatformDarwin.cpp:1510
lldb_private::Status::Fail
bool Fail() const
Test for error condition.
Definition: Status.cpp:182
PlatformDarwin::CalculateTrapHandlerSymbolNames
void CalculateTrapHandlerSymbolNames() override
Ask the Platform subclass to fill in the list of trap handler names.
Definition: PlatformDarwin.cpp:1253
lldb_private::StreamString::GetData
const char * GetData() const
Definition: StreamString.h:43
lldb_private::RemoteAwarePlatform::m_remote_platform_sp
lldb::PlatformSP m_remote_platform_sp
Definition: RemoteAwarePlatform.h:104
lldb_private::FileSystem::EnumerateDirectoryResult
EnumerateDirectoryResult
Definition: FileSystem.h:162
lldb_private::ConstString
Definition: ConstString.h:40
lldb_private::StreamString
Definition: StreamString.h:23
lldb_private::Platform::GetSupportsRSync
virtual bool GetSupportsRSync()
Definition: Platform.h:584
lldb::eScriptLanguagePython
@ eScriptLanguagePython
Definition: lldb-enumerations.h:218
Timer.h
lldb_private::GetLogIfAllCategoriesSet
Log * GetLogIfAllCategoriesSet(uint32_t mask)
Definition: Logging.cpp:58
lldb_private::StructuredData::DictionarySP
std::shared_ptr< Dictionary > DictionarySP
Definition: StructuredData.h:67
PlatformDarwin::ResolveSymbolFile
lldb_private::Status ResolveSymbolFile(lldb_private::Target &target, const lldb_private::ModuleSpec &sym_spec, lldb_private::FileSpec &sym_file) override
Find a symbol file given a symbol file module specification.
Definition: PlatformDarwin.cpp:194
lldb_private::Debugger
Definition: Debugger.h:70
lldb_private::RemoteAwarePlatform::Unlink
Status Unlink(const FileSpec &file_spec) override
Definition: RemoteAwarePlatform.cpp:285
HostInfo.h
PlatformDarwin::LocateExecutableScriptingResources
lldb_private::FileSpecList LocateExecutableScriptingResources(lldb_private::Target *target, lldb_private::Module &module, lldb_private::Stream *feedback_stream) override
Definition: PlatformDarwin.cpp:70
string
string(SUBSTRING ${p} 10 -1 pStripped) if($
Definition: Plugins/CMakeLists.txt:40
lldb_private::ArchSpec::IsValid
bool IsValid() const
Tests if this ArchSpec is valid.
Definition: ArchSpec.h:342
PlatformDarwin::ExtractCrashInfoAnnotations
lldb_private::StructuredData::ArraySP ExtractCrashInfoAnnotations(lldb_private::Process &process)
Extract the __crash_info annotations from each of of the target's modules.
Definition: PlatformDarwin.cpp:1407
ObjectFile.h
PlatformDarwin::FindBundleBinaryInExecSearchPaths
lldb_private::Status FindBundleBinaryInExecSearchPaths(const lldb_private::ModuleSpec &module_spec, lldb_private::Process *process, lldb::ModuleSP &module_sp, const lldb_private::FileSpecList *module_search_paths_ptr, llvm::SmallVectorImpl< lldb::ModuleSP > *old_modules, bool *did_create_ptr)
Definition: PlatformDarwin.cpp:1725
lldb_private::Platform::IsRemote
bool IsRemote() const
Definition: Platform.h:441
lldb_private::ScriptInterpreter::IsReservedWord
virtual bool IsReservedWord(const char *word)
Definition: ScriptInterpreter.h:541
lldb_private::ProcessLaunchInfo::SetMonitorProcessCallback
void SetMonitorProcessCallback(const Host::MonitorChildProcessCallback &callback, bool monitor_signals)
Definition: ProcessLaunchInfo.cpp:179
lldb_private::ModuleSpec::GetFileSpec
FileSpec & GetFileSpec()
Definition: ModuleSpec.h:58
lldb_private::ModuleSpec
Definition: ModuleSpec.h:26
lldb_private::Target::GetArchitecture
const ArchSpec & GetArchitecture() const
Definition: Target.h:966
lldb_private::SharedCacheImageInfo
Definition: HostInfoBase.h:28
lldb_private::Status
Definition: Status.h:44
PlatformDarwin::GetFullNameForDylib
lldb_private::ConstString GetFullNameForDylib(lldb_private::ConstString basename) override
Definition: PlatformDarwin.cpp:1612
lldb::eLanguageTypeUnknown
@ eLanguageTypeUnknown
Unknown or invalid language value.
Definition: lldb-enumerations.h:437
message
message(FATAL_ERROR "invalid libipt include path provided") endif() include_directories($
Definition: Plugins/Trace/intel-pt/CMakeLists.txt:6
uint32_t
lldb_private::eLazyBoolNo
@ eLazyBoolNo
Definition: lldb-private-enumerations.h:115
lldb_private::FileSpec::RemoveLastPathComponent
bool RemoveLastPathComponent()
Removes the last path component by replacing the current path with its parent.
Definition: FileSpec.cpp:446
lldb_private::ObjectFile::GetMinimumOSVersion
virtual llvm::VersionTuple GetMinimumOSVersion()
Get the minimum OS version this object file can run on.
Definition: ObjectFile.h:593
lldb_private::ModuleSpec::GetArchitecturePtr
ArchSpec * GetArchitecturePtr()
Definition: ModuleSpec.h:86
lldb_private::ProcessInfo::GetEnvironment
Environment & GetEnvironment()
Definition: ProcessInfo.h:87
lldb_private::XcodeSDK::Type
Type
Different types of Xcode SDKs.
Definition: XcodeSDK.h:29
lldb_private::ApplePropertyList
Definition: XML.h:145
PlatformDarwin::GetSharedModuleWithLocalCache
virtual lldb_private::Status GetSharedModuleWithLocalCache(const lldb_private::ModuleSpec &module_spec, lldb::ModuleSP &module_sp, const lldb_private::FileSpecList *module_search_paths_ptr, llvm::SmallVectorImpl< lldb::ModuleSP > *old_modules, bool *did_create_ptr)
Definition: PlatformDarwin.cpp:221
PlatformDarwin::GetCurrentToolchainDirectory
static lldb_private::FileSpec GetCurrentToolchainDirectory()
Return the toolchain directory the current LLDB instance is located in.
Definition: PlatformDarwin.cpp:1815
lldb_private::SharedCacheImageInfo::uuid
UUID uuid
Definition: HostInfoBase.h:29
lldb_private::SharedCacheImageInfo::data_sp
lldb::DataBufferSP data_sp
Definition: HostInfoBase.h:30
lldb_private::ProcessLaunchInfo::GetShell
const FileSpec & GetShell() const
Definition: ProcessLaunchInfo.cpp:140
XML.h
lldb_private::Environment
Definition: Environment.h:18
LLDB_INVALID_ADDRESS
#define LLDB_INVALID_ADDRESS
Definition: lldb-defines.h:86
lldb_private::ConstString::GetCString
const char * GetCString() const
Get the string value as a C string.
Definition: ConstString.h:216
lldb_private::ModuleSpec::GetArchitecture
ArchSpec & GetArchitecture()
Definition: ModuleSpec.h:94
lldb_private::ScriptInterpreter
Definition: ScriptInterpreter.h:126
LLDB_LOG
#define LLDB_LOG(log,...)
The LLDB_LOG* macros defined below are the way to emit log messages.
Definition: Log.h:242
lldb_private::Platform
Definition: Platform.h:71
lldb_private::Stream::Printf
size_t Printf(const char *format,...) __attribute__((format(printf
Output printf formatted output to the stream.
Definition: Stream.cpp:107
lldb_private::Process::GetID
lldb::pid_t GetID() const
Returns the pid of the process or LLDB_INVALID_PROCESS_ID if there is no known pid.
Definition: Process.h:540
PlatformDarwin::CrashInfoAnnotations::version
uint64_t version
Definition: PlatformDarwin.h:107
PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches
bool ModuleIsExcludedForUnconstrainedSearches(lldb_private::Target &target, const lldb::ModuleSP &module_sp) override
Definition: PlatformDarwin.cpp:504
PlatformDarwin::CrashInfoAnnotations::message
uint64_t message
Definition: PlatformDarwin.h:108
Status.h
lldb_private::FileSpec::AppendPathComponent
void AppendPathComponent(llvm::StringRef component)
Definition: FileSpec.cpp:435
lldb_private::XcodeSDK::Info::type
Type type
Definition: XcodeSDK.h:45
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
PlatformDarwin::CrashInfoAnnotations::message2
uint64_t message2
Definition: PlatformDarwin.h:111
lldb_private::BreakpointSite::SetTrapOpcode
bool SetTrapOpcode(const uint8_t *trap_opcode, uint32_t trap_opcode_size)
Sets the trap opcode.
Definition: BreakpointSite.cpp:104
CommandInterpreter.h
lldb_private::FileSpec::GetDirectory
ConstString & GetDirectory()
Directory string get accessor.
Definition: FileSpec.cpp:335
PlatformDarwin::FetchExtendedCrashInformation
llvm::Expected< lldb_private::StructuredData::DictionarySP > FetchExtendedCrashInformation(lldb_private::Process &process) override
Gather all of crash informations into a structured data dictionary.
Definition: PlatformDarwin.cpp:1388
BreakpointSite.h
lldb_private::Log
Definition: Log.h:49
lldb_private::StructuredData::ArraySP
std::shared_ptr< Array > ArraySP
Definition: StructuredData.h:62
PlatformDarwin::ParseVersionBuildDir
static std::tuple< llvm::VersionTuple, llvm::StringRef > ParseVersionBuildDir(llvm::StringRef str)
Definition: PlatformDarwin.cpp:1370
PlatformDarwin::GetResumeCountForLaunchInfo
uint32_t GetResumeCountForLaunchInfo(lldb_private::ProcessLaunchInfo &launch_info) override
Definition: PlatformDarwin.cpp:1201
lldb_private::PluginInterface::GetPluginName
virtual ConstString GetPluginName()=0
PlatformDarwin::GetSoftwareBreakpointTrapOpcode
size_t GetSoftwareBreakpointTrapOpcode(lldb_private::Target &target, lldb_private::BreakpointSite *bp_site) override
Definition: PlatformDarwin.cpp:447
llvm::SmallVectorImpl
Definition: Disassembler.h:42
lldb_private::GetLogIfAnyCategoriesSet
Log * GetLogIfAnyCategoriesSet(uint32_t mask)
Definition: Logging.cpp:62
PlatformDarwin::GetOSVersion
llvm::VersionTuple GetOSVersion(lldb_private::Process *process=nullptr) override
Get the OS version from a connected platform.
Definition: PlatformDarwin.cpp:1621
lldb_private::Platform::IsHost
bool IsHost() const
Definition: Platform.h:437
SymbolVendor.h
lldb_private::ArchSpec::Clear
void Clear()
Clears the object state.
Definition: ArchSpec.cpp:527
PATH_MAX
#define PATH_MAX
Definition: windows/PosixApi.h:25
PlatformDarwin::LaunchProcess
lldb_private::Status LaunchProcess(lldb_private::ProcessLaunchInfo &launch_info) override
Launch a new process on a platform, not necessarily for debugging, it could be just for running the p...
Definition: PlatformDarwin.cpp:1705
lldb_private::FileSpec::GetPath
size_t GetPath(char *path, size_t max_path_length, bool denormalize=true) const
Extract the full path to the file.
Definition: FileSpec.cpp:348
PlatformDarwin::DebugProcess
lldb::ProcessSP DebugProcess(lldb_private::ProcessLaunchInfo &launch_info, lldb_private::Debugger &debugger, lldb_private::Target &target, lldb_private::Status &error) override
Subclasses do not need to implement this function as it uses the Platform::LaunchProcess() followed b...
Definition: PlatformDarwin.cpp:1229
PlatformDarwin::SDKEnumeratorInfo::sdk_type
lldb_private::XcodeSDK::Type sdk_type
Definition: PlatformDarwin.h:145
PlatformDarwin::FindComponentInPath
static std::string FindComponentInPath(llvm::StringRef path, llvm::StringRef component)
Definition: PlatformDarwin.cpp:1800
lldb
Definition: SBAddress.h:15
LIBLLDB_LOG_PROCESS
#define LIBLLDB_LOG_PROCESS
Definition: Logging.h:15
BringInRemoteFile
static lldb_private::Status BringInRemoteFile(Platform *platform, const lldb_private::ModuleSpec &module_spec, const FileSpec &module_cache_spec)
Definition: PlatformDarwin.cpp:213
lldb_private::FileSpec::GetFilename
ConstString & GetFilename()
Filename string get accessor.
Definition: FileSpec.cpp:341
SymbolFile.h
lldb_private::ObjectFile
Definition: ObjectFile.h:58
lldb_private::Platform::GetFile
virtual Status GetFile(const FileSpec &source, const FileSpec &destination)
Definition: Platform.cpp:1262
PlatformDarwin.h
lldb_private::ArchSpec::IsExactMatch
bool IsExactMatch(const ArchSpec &rhs) const
Compare an ArchSpec to another ArchSpec, requiring an exact cpu type match between them.
Definition: ArchSpec.cpp:930
lldb_private::ObjectFile::GetType
Type GetType()
Definition: ObjectFile.h:615
OSNAME
#define OSNAME
lldb_private::FileSpec::GetFileNameStrippingExtension
ConstString GetFileNameStrippingExtension() const
Return the filename without the extension part.
Definition: FileSpec.cpp:389
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