File: | tools/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp |
Warning: | line 1148, column 54 Potential buffer overflow. Replace with 'sizeof(developer_dir_path) - strlen(developer_dir_path) - 1' or use a safer 'strlcat' API |
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1 | //===-- PlatformDarwin.cpp --------------------------------------*- C++ -*-===// |
2 | // |
3 | // The LLVM Compiler Infrastructure |
4 | // |
5 | // This file is distributed under the University of Illinois Open Source |
6 | // License. See LICENSE.TXT for details. |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | |
10 | #include "PlatformDarwin.h" |
11 | |
12 | // C Includes |
13 | #include <string.h> |
14 | |
15 | // C++ Includes |
16 | #include <algorithm> |
17 | #include <mutex> |
18 | |
19 | // Project includes |
20 | #include "lldb/Breakpoint/BreakpointLocation.h" |
21 | #include "lldb/Breakpoint/BreakpointSite.h" |
22 | #include "lldb/Core/Debugger.h" |
23 | #include "lldb/Core/Module.h" |
24 | #include "lldb/Core/ModuleSpec.h" |
25 | #include "lldb/Host/Host.h" |
26 | #include "lldb/Host/HostInfo.h" |
27 | #include "lldb/Host/Symbols.h" |
28 | #include "lldb/Host/XML.h" |
29 | #include "lldb/Interpreter/CommandInterpreter.h" |
30 | #include "lldb/Symbol/ObjectFile.h" |
31 | #include "lldb/Symbol/SymbolFile.h" |
32 | #include "lldb/Symbol/SymbolVendor.h" |
33 | #include "lldb/Target/Platform.h" |
34 | #include "lldb/Target/Process.h" |
35 | #include "lldb/Target/Target.h" |
36 | #include "lldb/Utility/DataBufferLLVM.h" |
37 | #include "lldb/Utility/Log.h" |
38 | #include "lldb/Utility/Status.h" |
39 | #include "lldb/Utility/Timer.h" |
40 | #include "llvm/ADT/STLExtras.h" |
41 | #include "llvm/Support/FileSystem.h" |
42 | #include "llvm/Support/Threading.h" |
43 | #include "llvm/Support/VersionTuple.h" |
44 | |
45 | #if defined(__APPLE__) |
46 | #include <TargetConditionals.h> // for TARGET_OS_TV, TARGET_OS_WATCH |
47 | #endif |
48 | |
49 | using namespace lldb; |
50 | using namespace lldb_private; |
51 | |
52 | //------------------------------------------------------------------ |
53 | /// Default Constructor |
54 | //------------------------------------------------------------------ |
55 | PlatformDarwin::PlatformDarwin(bool is_host) |
56 | : PlatformPOSIX(is_host), // This is the local host platform |
57 | m_developer_directory() {} |
58 | |
59 | //------------------------------------------------------------------ |
60 | /// Destructor. |
61 | /// |
62 | /// The destructor is virtual since this class is designed to be |
63 | /// inherited from by the plug-in instance. |
64 | //------------------------------------------------------------------ |
65 | PlatformDarwin::~PlatformDarwin() {} |
66 | |
67 | FileSpecList PlatformDarwin::LocateExecutableScriptingResources( |
68 | Target *target, Module &module, Stream *feedback_stream) { |
69 | FileSpecList file_list; |
70 | if (target && |
71 | target->GetDebugger().GetScriptLanguage() == eScriptLanguagePython) { |
72 | // NB some extensions might be meaningful and should not be stripped - |
73 | // "this.binary.file" |
74 | // should not lose ".file" but GetFileNameStrippingExtension() will do |
75 | // precisely that. Ideally, we should have a per-platform list of |
76 | // extensions (".exe", ".app", ".dSYM", ".framework") which should be |
77 | // stripped while leaving "this.binary.file" as-is. |
78 | ScriptInterpreter *script_interpreter = |
79 | target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
80 | |
81 | FileSpec module_spec = module.GetFileSpec(); |
82 | |
83 | if (module_spec) { |
84 | SymbolVendor *symbols = module.GetSymbolVendor(); |
85 | if (symbols) { |
86 | SymbolFile *symfile = symbols->GetSymbolFile(); |
87 | if (symfile) { |
88 | ObjectFile *objfile = symfile->GetObjectFile(); |
89 | if (objfile) { |
90 | FileSpec symfile_spec(objfile->GetFileSpec()); |
91 | if (symfile_spec && symfile_spec.Exists()) { |
92 | while (module_spec.GetFilename()) { |
93 | std::string module_basename( |
94 | module_spec.GetFilename().GetCString()); |
95 | std::string original_module_basename(module_basename); |
96 | |
97 | bool was_keyword = false; |
98 | |
99 | // FIXME: for Python, we cannot allow certain characters in |
100 | // module |
101 | // filenames we import. Theoretically, different scripting |
102 | // languages may have different sets of forbidden tokens in |
103 | // filenames, and that should be dealt with by each |
104 | // ScriptInterpreter. For now, we just replace dots with |
105 | // underscores, but if we ever support anything other than |
106 | // Python we will need to rework this |
107 | std::replace(module_basename.begin(), module_basename.end(), |
108 | '.', '_'); |
109 | std::replace(module_basename.begin(), module_basename.end(), |
110 | ' ', '_'); |
111 | std::replace(module_basename.begin(), module_basename.end(), |
112 | '-', '_'); |
113 | if (script_interpreter && |
114 | script_interpreter->IsReservedWord( |
115 | module_basename.c_str())) { |
116 | module_basename.insert(module_basename.begin(), '_'); |
117 | was_keyword = true; |
118 | } |
119 | |
120 | StreamString path_string; |
121 | StreamString original_path_string; |
122 | // for OSX we are going to be in |
123 | // .dSYM/Contents/Resources/DWARF/<basename> let us go to |
124 | // .dSYM/Contents/Resources/Python/<basename>.py and see if the |
125 | // file exists |
126 | path_string.Printf("%s/../Python/%s.py", |
127 | symfile_spec.GetDirectory().GetCString(), |
128 | module_basename.c_str()); |
129 | original_path_string.Printf( |
130 | "%s/../Python/%s.py", |
131 | symfile_spec.GetDirectory().GetCString(), |
132 | original_module_basename.c_str()); |
133 | FileSpec script_fspec(path_string.GetString(), true); |
134 | FileSpec orig_script_fspec(original_path_string.GetString(), |
135 | true); |
136 | |
137 | // if we did some replacements of reserved characters, and a |
138 | // file with the untampered name exists, then warn the user |
139 | // that the file as-is shall not be loaded |
140 | if (feedback_stream) { |
141 | if (module_basename != original_module_basename && |
142 | orig_script_fspec.Exists()) { |
143 | const char *reason_for_complaint = |
144 | was_keyword ? "conflicts with a keyword" |
145 | : "contains reserved characters"; |
146 | if (script_fspec.Exists()) |
147 | feedback_stream->Printf( |
148 | "warning: the symbol file '%s' contains a debug " |
149 | "script. However, its name" |
150 | " '%s' %s and as such cannot be loaded. LLDB will" |
151 | " load '%s' instead. Consider removing the file with " |
152 | "the malformed name to" |
153 | " eliminate this warning.\n", |
154 | symfile_spec.GetPath().c_str(), |
155 | original_path_string.GetData(), reason_for_complaint, |
156 | path_string.GetData()); |
157 | else |
158 | feedback_stream->Printf( |
159 | "warning: the symbol file '%s' contains a debug " |
160 | "script. However, its name" |
161 | " %s and as such cannot be loaded. If you intend" |
162 | " to have this script loaded, please rename '%s' to " |
163 | "'%s' and retry.\n", |
164 | symfile_spec.GetPath().c_str(), reason_for_complaint, |
165 | original_path_string.GetData(), |
166 | path_string.GetData()); |
167 | } |
168 | } |
169 | |
170 | if (script_fspec.Exists()) { |
171 | file_list.Append(script_fspec); |
172 | break; |
173 | } |
174 | |
175 | // If we didn't find the python file, then keep stripping the |
176 | // extensions and try again |
177 | ConstString filename_no_extension( |
178 | module_spec.GetFileNameStrippingExtension()); |
179 | if (module_spec.GetFilename() == filename_no_extension) |
180 | break; |
181 | |
182 | module_spec.GetFilename() = filename_no_extension; |
183 | } |
184 | } |
185 | } |
186 | } |
187 | } |
188 | } |
189 | } |
190 | return file_list; |
191 | } |
192 | |
193 | Status PlatformDarwin::ResolveSymbolFile(Target &target, |
194 | const ModuleSpec &sym_spec, |
195 | FileSpec &sym_file) { |
196 | Status error; |
197 | sym_file = sym_spec.GetSymbolFileSpec(); |
198 | |
199 | llvm::sys::fs::file_status st; |
200 | if (status(sym_file.GetPath(), st, false)) { |
201 | error.SetErrorString("Could not stat file!"); |
202 | return error; |
203 | } |
204 | |
205 | if (exists(st)) { |
206 | if (is_directory(st)) { |
207 | sym_file = Symbols::FindSymbolFileInBundle( |
208 | sym_file, sym_spec.GetUUIDPtr(), sym_spec.GetArchitecturePtr()); |
209 | } |
210 | } else { |
211 | if (sym_spec.GetUUID().IsValid()) { |
212 | } |
213 | } |
214 | return error; |
215 | } |
216 | |
217 | static lldb_private::Status |
218 | MakeCacheFolderForFile(const FileSpec &module_cache_spec) { |
219 | FileSpec module_cache_folder = |
220 | module_cache_spec.CopyByRemovingLastPathComponent(); |
221 | return llvm::sys::fs::create_directory(module_cache_folder.GetPath()); |
222 | } |
223 | |
224 | static lldb_private::Status |
225 | BringInRemoteFile(Platform *platform, |
226 | const lldb_private::ModuleSpec &module_spec, |
227 | const FileSpec &module_cache_spec) { |
228 | MakeCacheFolderForFile(module_cache_spec); |
229 | Status err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec); |
230 | return err; |
231 | } |
232 | |
233 | lldb_private::Status PlatformDarwin::GetSharedModuleWithLocalCache( |
234 | const lldb_private::ModuleSpec &module_spec, lldb::ModuleSP &module_sp, |
235 | const lldb_private::FileSpecList *module_search_paths_ptr, |
236 | lldb::ModuleSP *old_module_sp_ptr, bool *did_create_ptr) { |
237 | |
238 | Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM(1u << 25))); |
239 | if (log) |
240 | log->Printf("[%s] Trying to find module %s/%s - platform path %s/%s symbol " |
241 | "path %s/%s", |
242 | (IsHost() ? "host" : "remote"), |
243 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
244 | module_spec.GetFileSpec().GetFilename().AsCString(), |
245 | module_spec.GetPlatformFileSpec().GetDirectory().AsCString(), |
246 | module_spec.GetPlatformFileSpec().GetFilename().AsCString(), |
247 | module_spec.GetSymbolFileSpec().GetDirectory().AsCString(), |
248 | module_spec.GetSymbolFileSpec().GetFilename().AsCString()); |
249 | |
250 | Status err; |
251 | |
252 | err = ModuleList::GetSharedModule(module_spec, module_sp, |
253 | module_search_paths_ptr, old_module_sp_ptr, |
254 | did_create_ptr); |
255 | if (module_sp) |
256 | return err; |
257 | |
258 | if (!IsHost()) { |
259 | std::string cache_path(GetLocalCacheDirectory()); |
260 | // Only search for a locally cached file if we have a valid cache path |
261 | if (!cache_path.empty()) { |
262 | std::string module_path(module_spec.GetFileSpec().GetPath()); |
263 | cache_path.append(module_path); |
264 | FileSpec module_cache_spec(cache_path, false); |
265 | |
266 | // if rsync is supported, always bring in the file - rsync will be very |
267 | // efficient when files are the same on the local and remote end of the |
268 | // connection |
269 | if (this->GetSupportsRSync()) { |
270 | err = BringInRemoteFile(this, module_spec, module_cache_spec); |
271 | if (err.Fail()) |
272 | return err; |
273 | if (module_cache_spec.Exists()) { |
274 | Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM(1u << 25))); |
275 | if (log) |
276 | log->Printf("[%s] module %s/%s was rsynced and is now there", |
277 | (IsHost() ? "host" : "remote"), |
278 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
279 | module_spec.GetFileSpec().GetFilename().AsCString()); |
280 | ModuleSpec local_spec(module_cache_spec, |
281 | module_spec.GetArchitecture()); |
282 | module_sp.reset(new Module(local_spec)); |
283 | module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); |
284 | return Status(); |
285 | } |
286 | } |
287 | |
288 | // try to find the module in the cache |
289 | if (module_cache_spec.Exists()) { |
290 | // get the local and remote MD5 and compare |
291 | if (m_remote_platform_sp) { |
292 | // when going over the *slow* GDB remote transfer mechanism we first |
293 | // check the hashes of the files - and only do the actual transfer if |
294 | // they differ |
295 | uint64_t high_local, high_remote, low_local, low_remote; |
296 | auto MD5 = llvm::sys::fs::md5_contents(module_cache_spec.GetPath()); |
297 | if (!MD5) |
298 | return Status(MD5.getError()); |
299 | std::tie(high_local, low_local) = MD5->words(); |
300 | |
301 | m_remote_platform_sp->CalculateMD5(module_spec.GetFileSpec(), |
302 | low_remote, high_remote); |
303 | if (low_local != low_remote || high_local != high_remote) { |
304 | // bring in the remote file |
305 | Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM(1u << 25))); |
306 | if (log) |
307 | log->Printf( |
308 | "[%s] module %s/%s needs to be replaced from remote copy", |
309 | (IsHost() ? "host" : "remote"), |
310 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
311 | module_spec.GetFileSpec().GetFilename().AsCString()); |
312 | Status err = |
313 | BringInRemoteFile(this, module_spec, module_cache_spec); |
314 | if (err.Fail()) |
315 | return err; |
316 | } |
317 | } |
318 | |
319 | ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture()); |
320 | module_sp.reset(new Module(local_spec)); |
321 | module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); |
322 | Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM(1u << 25))); |
323 | if (log) |
324 | log->Printf("[%s] module %s/%s was found in the cache", |
325 | (IsHost() ? "host" : "remote"), |
326 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
327 | module_spec.GetFileSpec().GetFilename().AsCString()); |
328 | return Status(); |
329 | } |
330 | |
331 | // bring in the remote module file |
332 | if (log) |
333 | log->Printf("[%s] module %s/%s needs to come in remotely", |
334 | (IsHost() ? "host" : "remote"), |
335 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
336 | module_spec.GetFileSpec().GetFilename().AsCString()); |
337 | Status err = BringInRemoteFile(this, module_spec, module_cache_spec); |
338 | if (err.Fail()) |
339 | return err; |
340 | if (module_cache_spec.Exists()) { |
341 | Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM(1u << 25))); |
342 | if (log) |
343 | log->Printf("[%s] module %s/%s is now cached and fine", |
344 | (IsHost() ? "host" : "remote"), |
345 | module_spec.GetFileSpec().GetDirectory().AsCString(), |
346 | module_spec.GetFileSpec().GetFilename().AsCString()); |
347 | ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture()); |
348 | module_sp.reset(new Module(local_spec)); |
349 | module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); |
350 | return Status(); |
351 | } else |
352 | return Status("unable to obtain valid module file"); |
353 | } else |
354 | return Status("no cache path"); |
355 | } else |
356 | return Status("unable to resolve module"); |
357 | } |
358 | |
359 | Status PlatformDarwin::GetSharedModule( |
360 | const ModuleSpec &module_spec, Process *process, ModuleSP &module_sp, |
361 | const FileSpecList *module_search_paths_ptr, ModuleSP *old_module_sp_ptr, |
362 | bool *did_create_ptr) { |
363 | Status error; |
364 | module_sp.reset(); |
365 | |
366 | if (IsRemote()) { |
367 | // If we have a remote platform always, let it try and locate the shared |
368 | // module first. |
369 | if (m_remote_platform_sp) { |
370 | error = m_remote_platform_sp->GetSharedModule( |
371 | module_spec, process, module_sp, module_search_paths_ptr, |
372 | old_module_sp_ptr, did_create_ptr); |
373 | } |
374 | } |
375 | |
376 | if (!module_sp) { |
377 | // Fall back to the local platform and find the file locally |
378 | error = Platform::GetSharedModule(module_spec, process, module_sp, |
379 | module_search_paths_ptr, |
380 | old_module_sp_ptr, did_create_ptr); |
381 | |
382 | const FileSpec &platform_file = module_spec.GetFileSpec(); |
383 | if (!module_sp && module_search_paths_ptr && platform_file) { |
384 | // We can try to pull off part of the file path up to the bundle |
385 | // directory level and try any module search paths... |
386 | FileSpec bundle_directory; |
387 | if (Host::GetBundleDirectory(platform_file, bundle_directory)) { |
388 | if (platform_file == bundle_directory) { |
389 | ModuleSpec new_module_spec(module_spec); |
390 | new_module_spec.GetFileSpec() = bundle_directory; |
391 | if (Host::ResolveExecutableInBundle(new_module_spec.GetFileSpec())) { |
392 | Status new_error(Platform::GetSharedModule( |
393 | new_module_spec, process, module_sp, NULL__null, old_module_sp_ptr, |
394 | did_create_ptr)); |
395 | |
396 | if (module_sp) |
397 | return new_error; |
398 | } |
399 | } else { |
400 | char platform_path[PATH_MAX4096]; |
401 | char bundle_dir[PATH_MAX4096]; |
402 | platform_file.GetPath(platform_path, sizeof(platform_path)); |
403 | const size_t bundle_directory_len = |
404 | bundle_directory.GetPath(bundle_dir, sizeof(bundle_dir)); |
405 | char new_path[PATH_MAX4096]; |
406 | size_t num_module_search_paths = module_search_paths_ptr->GetSize(); |
407 | for (size_t i = 0; i < num_module_search_paths; ++i) { |
408 | const size_t search_path_len = |
409 | module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath( |
410 | new_path, sizeof(new_path)); |
411 | if (search_path_len < sizeof(new_path)) { |
412 | snprintf(new_path + search_path_len, |
413 | sizeof(new_path) - search_path_len, "/%s", |
414 | platform_path + bundle_directory_len); |
415 | FileSpec new_file_spec(new_path, false); |
416 | if (new_file_spec.Exists()) { |
417 | ModuleSpec new_module_spec(module_spec); |
418 | new_module_spec.GetFileSpec() = new_file_spec; |
419 | Status new_error(Platform::GetSharedModule( |
420 | new_module_spec, process, module_sp, NULL__null, |
421 | old_module_sp_ptr, did_create_ptr)); |
422 | |
423 | if (module_sp) { |
424 | module_sp->SetPlatformFileSpec(new_file_spec); |
425 | return new_error; |
426 | } |
427 | } |
428 | } |
429 | } |
430 | } |
431 | } |
432 | } |
433 | } |
434 | if (module_sp) |
435 | module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); |
436 | return error; |
437 | } |
438 | |
439 | size_t |
440 | PlatformDarwin::GetSoftwareBreakpointTrapOpcode(Target &target, |
441 | BreakpointSite *bp_site) { |
442 | const uint8_t *trap_opcode = nullptr; |
443 | uint32_t trap_opcode_size = 0; |
444 | bool bp_is_thumb = false; |
445 | |
446 | llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine(); |
447 | switch (machine) { |
448 | case llvm::Triple::aarch64: { |
449 | // TODO: fix this with actual darwin breakpoint opcode for arm64. |
450 | // right now debugging uses the Z packets with GDB remote so this is not |
451 | // needed, but the size needs to be correct... |
452 | static const uint8_t g_arm64_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7}; |
453 | trap_opcode = g_arm64_breakpoint_opcode; |
454 | trap_opcode_size = sizeof(g_arm64_breakpoint_opcode); |
455 | } break; |
456 | |
457 | case llvm::Triple::thumb: |
458 | bp_is_thumb = true; |
459 | LLVM_FALLTHROUGH[[clang::fallthrough]]; |
460 | case llvm::Triple::arm: { |
461 | static const uint8_t g_arm_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7}; |
462 | static const uint8_t g_thumb_breakpooint_opcode[] = {0xFE, 0xDE}; |
463 | |
464 | // Auto detect arm/thumb if it wasn't explicitly specified |
465 | if (!bp_is_thumb) { |
466 | lldb::BreakpointLocationSP bp_loc_sp(bp_site->GetOwnerAtIndex(0)); |
467 | if (bp_loc_sp) |
468 | bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass() == |
469 | AddressClass::eCodeAlternateISA; |
470 | } |
471 | if (bp_is_thumb) { |
472 | trap_opcode = g_thumb_breakpooint_opcode; |
473 | trap_opcode_size = sizeof(g_thumb_breakpooint_opcode); |
474 | break; |
475 | } |
476 | trap_opcode = g_arm_breakpoint_opcode; |
477 | trap_opcode_size = sizeof(g_arm_breakpoint_opcode); |
478 | } break; |
479 | |
480 | case llvm::Triple::ppc: |
481 | case llvm::Triple::ppc64: { |
482 | static const uint8_t g_ppc_breakpoint_opcode[] = {0x7F, 0xC0, 0x00, 0x08}; |
483 | trap_opcode = g_ppc_breakpoint_opcode; |
484 | trap_opcode_size = sizeof(g_ppc_breakpoint_opcode); |
485 | } break; |
486 | |
487 | default: |
488 | return Platform::GetSoftwareBreakpointTrapOpcode(target, bp_site); |
489 | } |
490 | |
491 | if (trap_opcode && trap_opcode_size) { |
492 | if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size)) |
493 | return trap_opcode_size; |
494 | } |
495 | return 0; |
496 | } |
497 | |
498 | bool PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches( |
499 | lldb_private::Target &target, const lldb::ModuleSP &module_sp) { |
500 | if (!module_sp) |
501 | return false; |
502 | |
503 | ObjectFile *obj_file = module_sp->GetObjectFile(); |
504 | if (!obj_file) |
505 | return false; |
506 | |
507 | ObjectFile::Type obj_type = obj_file->GetType(); |
508 | if (obj_type == ObjectFile::eTypeDynamicLinker) |
509 | return true; |
510 | else |
511 | return false; |
512 | } |
513 | |
514 | bool PlatformDarwin::x86GetSupportedArchitectureAtIndex(uint32_t idx, |
515 | ArchSpec &arch) { |
516 | ArchSpec host_arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault); |
517 | if (host_arch.GetCore() == ArchSpec::eCore_x86_64_x86_64h) { |
518 | switch (idx) { |
519 | case 0: |
520 | arch = host_arch; |
521 | return true; |
522 | |
523 | case 1: |
524 | arch.SetTriple("x86_64-apple-macosx"); |
525 | return true; |
526 | |
527 | case 2: |
528 | arch = HostInfo::GetArchitecture(HostInfo::eArchKind32); |
529 | return true; |
530 | |
531 | default: |
532 | return false; |
533 | } |
534 | } else { |
535 | if (idx == 0) { |
536 | arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault); |
537 | return arch.IsValid(); |
538 | } else if (idx == 1) { |
539 | ArchSpec platform_arch( |
540 | HostInfo::GetArchitecture(HostInfo::eArchKindDefault)); |
541 | ArchSpec platform_arch64( |
542 | HostInfo::GetArchitecture(HostInfo::eArchKind64)); |
543 | if (platform_arch.IsExactMatch(platform_arch64)) { |
544 | // This macosx platform supports both 32 and 64 bit. Since we already |
545 | // returned the 64 bit arch for idx == 0, return the 32 bit arch for |
546 | // idx == 1 |
547 | arch = HostInfo::GetArchitecture(HostInfo::eArchKind32); |
548 | return arch.IsValid(); |
549 | } |
550 | } |
551 | } |
552 | return false; |
553 | } |
554 | |
555 | // The architecture selection rules for arm processors These cpu subtypes have |
556 | // distinct names (e.g. armv7f) but armv7 binaries run fine on an armv7f |
557 | // processor. |
558 | |
559 | bool PlatformDarwin::ARMGetSupportedArchitectureAtIndex(uint32_t idx, |
560 | ArchSpec &arch) { |
561 | ArchSpec system_arch(GetSystemArchitecture()); |
562 | |
563 | // When lldb is running on a watch or tv, set the arch OS name appropriately. |
564 | #if defined(TARGET_OS_TV) && TARGET_OS_TV == 1 |
565 | #define OSNAME"ios" "tvos" |
566 | #elif defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1 |
567 | #define OSNAME"ios" "watchos" |
568 | #elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1 |
569 | #define OSNAME"ios" "bridgeos" |
570 | #else |
571 | #define OSNAME"ios" "ios" |
572 | #endif |
573 | |
574 | const ArchSpec::Core system_core = system_arch.GetCore(); |
575 | switch (system_core) { |
576 | default: |
577 | switch (idx) { |
578 | case 0: |
579 | arch.SetTriple("arm64-apple-" OSNAME"ios"); |
580 | return true; |
581 | case 1: |
582 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
583 | return true; |
584 | case 2: |
585 | arch.SetTriple("armv7f-apple-" OSNAME"ios"); |
586 | return true; |
587 | case 3: |
588 | arch.SetTriple("armv7k-apple-" OSNAME"ios"); |
589 | return true; |
590 | case 4: |
591 | arch.SetTriple("armv7s-apple-" OSNAME"ios"); |
592 | return true; |
593 | case 5: |
594 | arch.SetTriple("armv7m-apple-" OSNAME"ios"); |
595 | return true; |
596 | case 6: |
597 | arch.SetTriple("armv7em-apple-" OSNAME"ios"); |
598 | return true; |
599 | case 7: |
600 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
601 | return true; |
602 | case 8: |
603 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
604 | return true; |
605 | case 9: |
606 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
607 | return true; |
608 | case 10: |
609 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
610 | return true; |
611 | case 11: |
612 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
613 | return true; |
614 | case 12: |
615 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
616 | return true; |
617 | case 13: |
618 | arch.SetTriple("thumbv7f-apple-" OSNAME"ios"); |
619 | return true; |
620 | case 14: |
621 | arch.SetTriple("thumbv7k-apple-" OSNAME"ios"); |
622 | return true; |
623 | case 15: |
624 | arch.SetTriple("thumbv7s-apple-" OSNAME"ios"); |
625 | return true; |
626 | case 16: |
627 | arch.SetTriple("thumbv7m-apple-" OSNAME"ios"); |
628 | return true; |
629 | case 17: |
630 | arch.SetTriple("thumbv7em-apple-" OSNAME"ios"); |
631 | return true; |
632 | case 18: |
633 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
634 | return true; |
635 | case 19: |
636 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
637 | return true; |
638 | case 20: |
639 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
640 | return true; |
641 | case 21: |
642 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
643 | return true; |
644 | case 22: |
645 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
646 | return true; |
647 | default: |
648 | break; |
649 | } |
650 | break; |
651 | |
652 | case ArchSpec::eCore_arm_arm64: |
653 | switch (idx) { |
654 | case 0: |
655 | arch.SetTriple("arm64-apple-" OSNAME"ios"); |
656 | return true; |
657 | case 1: |
658 | arch.SetTriple("armv7s-apple-" OSNAME"ios"); |
659 | return true; |
660 | case 2: |
661 | arch.SetTriple("armv7f-apple-" OSNAME"ios"); |
662 | return true; |
663 | case 3: |
664 | arch.SetTriple("armv7m-apple-" OSNAME"ios"); |
665 | return true; |
666 | case 4: |
667 | arch.SetTriple("armv7em-apple-" OSNAME"ios"); |
668 | return true; |
669 | case 5: |
670 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
671 | return true; |
672 | case 6: |
673 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
674 | return true; |
675 | case 7: |
676 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
677 | return true; |
678 | case 8: |
679 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
680 | return true; |
681 | case 9: |
682 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
683 | return true; |
684 | case 10: |
685 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
686 | return true; |
687 | case 11: |
688 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
689 | return true; |
690 | case 12: |
691 | arch.SetTriple("thumbv7f-apple-" OSNAME"ios"); |
692 | return true; |
693 | case 13: |
694 | arch.SetTriple("thumbv7k-apple-" OSNAME"ios"); |
695 | return true; |
696 | case 14: |
697 | arch.SetTriple("thumbv7s-apple-" OSNAME"ios"); |
698 | return true; |
699 | case 15: |
700 | arch.SetTriple("thumbv7m-apple-" OSNAME"ios"); |
701 | return true; |
702 | case 16: |
703 | arch.SetTriple("thumbv7em-apple-" OSNAME"ios"); |
704 | return true; |
705 | case 17: |
706 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
707 | return true; |
708 | case 18: |
709 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
710 | return true; |
711 | case 19: |
712 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
713 | return true; |
714 | case 20: |
715 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
716 | return true; |
717 | case 21: |
718 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
719 | return true; |
720 | default: |
721 | break; |
722 | } |
723 | break; |
724 | |
725 | case ArchSpec::eCore_arm_armv7f: |
726 | switch (idx) { |
727 | case 0: |
728 | arch.SetTriple("armv7f-apple-" OSNAME"ios"); |
729 | return true; |
730 | case 1: |
731 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
732 | return true; |
733 | case 2: |
734 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
735 | return true; |
736 | case 3: |
737 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
738 | return true; |
739 | case 4: |
740 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
741 | return true; |
742 | case 5: |
743 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
744 | return true; |
745 | case 6: |
746 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
747 | return true; |
748 | case 7: |
749 | arch.SetTriple("thumbv7f-apple-" OSNAME"ios"); |
750 | return true; |
751 | case 8: |
752 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
753 | return true; |
754 | case 9: |
755 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
756 | return true; |
757 | case 10: |
758 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
759 | return true; |
760 | case 11: |
761 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
762 | return true; |
763 | case 12: |
764 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
765 | return true; |
766 | case 13: |
767 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
768 | return true; |
769 | default: |
770 | break; |
771 | } |
772 | break; |
773 | |
774 | case ArchSpec::eCore_arm_armv7k: |
775 | switch (idx) { |
776 | case 0: |
777 | arch.SetTriple("armv7k-apple-" OSNAME"ios"); |
778 | return true; |
779 | case 1: |
780 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
781 | return true; |
782 | case 2: |
783 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
784 | return true; |
785 | case 3: |
786 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
787 | return true; |
788 | case 4: |
789 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
790 | return true; |
791 | case 5: |
792 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
793 | return true; |
794 | case 6: |
795 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
796 | return true; |
797 | case 7: |
798 | arch.SetTriple("thumbv7k-apple-" OSNAME"ios"); |
799 | return true; |
800 | case 8: |
801 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
802 | return true; |
803 | case 9: |
804 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
805 | return true; |
806 | case 10: |
807 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
808 | return true; |
809 | case 11: |
810 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
811 | return true; |
812 | case 12: |
813 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
814 | return true; |
815 | case 13: |
816 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
817 | return true; |
818 | default: |
819 | break; |
820 | } |
821 | break; |
822 | |
823 | case ArchSpec::eCore_arm_armv7s: |
824 | switch (idx) { |
825 | case 0: |
826 | arch.SetTriple("armv7s-apple-" OSNAME"ios"); |
827 | return true; |
828 | case 1: |
829 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
830 | return true; |
831 | case 2: |
832 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
833 | return true; |
834 | case 3: |
835 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
836 | return true; |
837 | case 4: |
838 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
839 | return true; |
840 | case 5: |
841 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
842 | return true; |
843 | case 6: |
844 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
845 | return true; |
846 | case 7: |
847 | arch.SetTriple("thumbv7s-apple-" OSNAME"ios"); |
848 | return true; |
849 | case 8: |
850 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
851 | return true; |
852 | case 9: |
853 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
854 | return true; |
855 | case 10: |
856 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
857 | return true; |
858 | case 11: |
859 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
860 | return true; |
861 | case 12: |
862 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
863 | return true; |
864 | case 13: |
865 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
866 | return true; |
867 | default: |
868 | break; |
869 | } |
870 | break; |
871 | |
872 | case ArchSpec::eCore_arm_armv7m: |
873 | switch (idx) { |
874 | case 0: |
875 | arch.SetTriple("armv7m-apple-" OSNAME"ios"); |
876 | return true; |
877 | case 1: |
878 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
879 | return true; |
880 | case 2: |
881 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
882 | return true; |
883 | case 3: |
884 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
885 | return true; |
886 | case 4: |
887 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
888 | return true; |
889 | case 5: |
890 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
891 | return true; |
892 | case 6: |
893 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
894 | return true; |
895 | case 7: |
896 | arch.SetTriple("thumbv7m-apple-" OSNAME"ios"); |
897 | return true; |
898 | case 8: |
899 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
900 | return true; |
901 | case 9: |
902 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
903 | return true; |
904 | case 10: |
905 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
906 | return true; |
907 | case 11: |
908 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
909 | return true; |
910 | case 12: |
911 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
912 | return true; |
913 | case 13: |
914 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
915 | return true; |
916 | default: |
917 | break; |
918 | } |
919 | break; |
920 | |
921 | case ArchSpec::eCore_arm_armv7em: |
922 | switch (idx) { |
923 | case 0: |
924 | arch.SetTriple("armv7em-apple-" OSNAME"ios"); |
925 | return true; |
926 | case 1: |
927 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
928 | return true; |
929 | case 2: |
930 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
931 | return true; |
932 | case 3: |
933 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
934 | return true; |
935 | case 4: |
936 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
937 | return true; |
938 | case 5: |
939 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
940 | return true; |
941 | case 6: |
942 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
943 | return true; |
944 | case 7: |
945 | arch.SetTriple("thumbv7em-apple-" OSNAME"ios"); |
946 | return true; |
947 | case 8: |
948 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
949 | return true; |
950 | case 9: |
951 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
952 | return true; |
953 | case 10: |
954 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
955 | return true; |
956 | case 11: |
957 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
958 | return true; |
959 | case 12: |
960 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
961 | return true; |
962 | case 13: |
963 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
964 | return true; |
965 | default: |
966 | break; |
967 | } |
968 | break; |
969 | |
970 | case ArchSpec::eCore_arm_armv7: |
971 | switch (idx) { |
972 | case 0: |
973 | arch.SetTriple("armv7-apple-" OSNAME"ios"); |
974 | return true; |
975 | case 1: |
976 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
977 | return true; |
978 | case 2: |
979 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
980 | return true; |
981 | case 3: |
982 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
983 | return true; |
984 | case 4: |
985 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
986 | return true; |
987 | case 5: |
988 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
989 | return true; |
990 | case 6: |
991 | arch.SetTriple("thumbv7-apple-" OSNAME"ios"); |
992 | return true; |
993 | case 7: |
994 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
995 | return true; |
996 | case 8: |
997 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
998 | return true; |
999 | case 9: |
1000 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
1001 | return true; |
1002 | case 10: |
1003 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
1004 | return true; |
1005 | case 11: |
1006 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
1007 | return true; |
1008 | default: |
1009 | break; |
1010 | } |
1011 | break; |
1012 | |
1013 | case ArchSpec::eCore_arm_armv6m: |
1014 | switch (idx) { |
1015 | case 0: |
1016 | arch.SetTriple("armv6m-apple-" OSNAME"ios"); |
1017 | return true; |
1018 | case 1: |
1019 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
1020 | return true; |
1021 | case 2: |
1022 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
1023 | return true; |
1024 | case 3: |
1025 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
1026 | return true; |
1027 | case 4: |
1028 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
1029 | return true; |
1030 | case 5: |
1031 | arch.SetTriple("thumbv6m-apple-" OSNAME"ios"); |
1032 | return true; |
1033 | case 6: |
1034 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
1035 | return true; |
1036 | case 7: |
1037 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
1038 | return true; |
1039 | case 8: |
1040 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
1041 | return true; |
1042 | case 9: |
1043 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
1044 | return true; |
1045 | default: |
1046 | break; |
1047 | } |
1048 | break; |
1049 | |
1050 | case ArchSpec::eCore_arm_armv6: |
1051 | switch (idx) { |
1052 | case 0: |
1053 | arch.SetTriple("armv6-apple-" OSNAME"ios"); |
1054 | return true; |
1055 | case 1: |
1056 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
1057 | return true; |
1058 | case 2: |
1059 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
1060 | return true; |
1061 | case 3: |
1062 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
1063 | return true; |
1064 | case 4: |
1065 | arch.SetTriple("thumbv6-apple-" OSNAME"ios"); |
1066 | return true; |
1067 | case 5: |
1068 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
1069 | return true; |
1070 | case 6: |
1071 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
1072 | return true; |
1073 | case 7: |
1074 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
1075 | return true; |
1076 | default: |
1077 | break; |
1078 | } |
1079 | break; |
1080 | |
1081 | case ArchSpec::eCore_arm_armv5: |
1082 | switch (idx) { |
1083 | case 0: |
1084 | arch.SetTriple("armv5-apple-" OSNAME"ios"); |
1085 | return true; |
1086 | case 1: |
1087 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
1088 | return true; |
1089 | case 2: |
1090 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
1091 | return true; |
1092 | case 3: |
1093 | arch.SetTriple("thumbv5-apple-" OSNAME"ios"); |
1094 | return true; |
1095 | case 4: |
1096 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
1097 | return true; |
1098 | case 5: |
1099 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
1100 | return true; |
1101 | default: |
1102 | break; |
1103 | } |
1104 | break; |
1105 | |
1106 | case ArchSpec::eCore_arm_armv4: |
1107 | switch (idx) { |
1108 | case 0: |
1109 | arch.SetTriple("armv4-apple-" OSNAME"ios"); |
1110 | return true; |
1111 | case 1: |
1112 | arch.SetTriple("arm-apple-" OSNAME"ios"); |
1113 | return true; |
1114 | case 2: |
1115 | arch.SetTriple("thumbv4t-apple-" OSNAME"ios"); |
1116 | return true; |
1117 | case 3: |
1118 | arch.SetTriple("thumb-apple-" OSNAME"ios"); |
1119 | return true; |
1120 | default: |
1121 | break; |
1122 | } |
1123 | break; |
1124 | } |
1125 | arch.Clear(); |
1126 | return false; |
1127 | } |
1128 | |
1129 | // Return a directory path like /Applications/Xcode.app/Contents/Developer |
1130 | const char *PlatformDarwin::GetDeveloperDirectory() { |
1131 | std::lock_guard<std::mutex> guard(m_mutex); |
1132 | if (m_developer_directory.empty()) { |
1133 | bool developer_dir_path_valid = false; |
1134 | char developer_dir_path[PATH_MAX4096]; |
1135 | |
1136 | // Get the lldb framework's file path, and if it exists, truncate some |
1137 | // components to only the developer directory path. |
1138 | FileSpec temp_file_spec = HostInfo::GetShlibDir(); |
1139 | if (temp_file_spec) { |
1140 | if (temp_file_spec.GetPath(developer_dir_path, |
1141 | sizeof(developer_dir_path))) { |
1142 | // e.g. |
1143 | // /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework |
1144 | char *shared_frameworks = |
1145 | strstr(developer_dir_path, "/SharedFrameworks/LLDB.framework"); |
1146 | if (shared_frameworks) { |
1147 | shared_frameworks[0] = '\0'; // truncate developer_dir_path at this point |
1148 | strncat (developer_dir_path, "/Developer", sizeof (developer_dir_path) - 1); // add /Developer on |
Potential buffer overflow. Replace with 'sizeof(developer_dir_path) - strlen(developer_dir_path) - 1' or use a safer 'strlcat' API | |
1149 | developer_dir_path_valid = true; |
1150 | } else { |
1151 | // e.g. |
1152 | // /Applications/Xcode.app/Contents/Developer/Toolchains/iOS11.2.xctoolchain/System/Library/PrivateFrameworks/LLDB.framework |
1153 | char *developer_toolchains = |
1154 | strstr(developer_dir_path, "/Contents/Developer/Toolchains/"); |
1155 | if (developer_toolchains) { |
1156 | developer_toolchains += sizeof ("/Contents/Developer") - 1; |
1157 | developer_toolchains[0] = '\0'; // truncate developer_dir_path at this point |
1158 | developer_dir_path_valid = true; |
1159 | } |
1160 | } |
1161 | } |
1162 | } |
1163 | |
1164 | if (!developer_dir_path_valid) { |
1165 | std::string xcode_dir_path; |
1166 | const char *xcode_select_prefix_dir = getenv("XCODE_SELECT_PREFIX_DIR"); |
1167 | if (xcode_select_prefix_dir) |
1168 | xcode_dir_path.append(xcode_select_prefix_dir); |
1169 | xcode_dir_path.append("/usr/share/xcode-select/xcode_dir_path"); |
1170 | temp_file_spec.SetFile(xcode_dir_path, false, FileSpec::Style::native); |
1171 | auto dir_buffer = |
1172 | DataBufferLLVM::CreateFromPath(temp_file_spec.GetPath()); |
1173 | if (dir_buffer && dir_buffer->GetByteSize() > 0) { |
1174 | llvm::StringRef path_ref(dir_buffer->GetChars()); |
1175 | // Trim tailing newlines and make sure there is enough room for a null |
1176 | // terminator. |
1177 | path_ref = |
1178 | path_ref.rtrim("\r\n").take_front(sizeof(developer_dir_path) - 1); |
1179 | ::memcpy(developer_dir_path, path_ref.data(), path_ref.size()); |
1180 | developer_dir_path[path_ref.size()] = '\0'; |
1181 | developer_dir_path_valid = true; |
1182 | } |
1183 | } |
1184 | |
1185 | if (!developer_dir_path_valid) { |
1186 | FileSpec xcode_select_cmd("/usr/bin/xcode-select", false); |
1187 | if (xcode_select_cmd.Exists()) { |
1188 | int exit_status = -1; |
1189 | int signo = -1; |
1190 | std::string command_output; |
1191 | Status error = |
1192 | Host::RunShellCommand("/usr/bin/xcode-select --print-path", |
1193 | NULL__null, // current working directory |
1194 | &exit_status, &signo, &command_output, |
1195 | std::chrono::seconds(2), // short timeout |
1196 | false); // don't run in a shell |
1197 | if (error.Success() && exit_status == 0 && !command_output.empty()) { |
1198 | const char *cmd_output_ptr = command_output.c_str(); |
1199 | developer_dir_path[sizeof(developer_dir_path) - 1] = '\0'; |
1200 | size_t i; |
1201 | for (i = 0; i < sizeof(developer_dir_path) - 1; i++) { |
1202 | if (cmd_output_ptr[i] == '\r' || cmd_output_ptr[i] == '\n' || |
1203 | cmd_output_ptr[i] == '\0') |
1204 | break; |
1205 | developer_dir_path[i] = cmd_output_ptr[i]; |
1206 | } |
1207 | developer_dir_path[i] = '\0'; |
1208 | |
1209 | FileSpec devel_dir(developer_dir_path, false); |
1210 | if (llvm::sys::fs::is_directory(devel_dir.GetPath())) { |
1211 | developer_dir_path_valid = true; |
1212 | } |
1213 | } |
1214 | } |
1215 | } |
1216 | |
1217 | if (developer_dir_path_valid) { |
1218 | temp_file_spec.SetFile(developer_dir_path, false, |
1219 | FileSpec::Style::native); |
1220 | if (temp_file_spec.Exists()) { |
1221 | m_developer_directory.assign(developer_dir_path); |
1222 | return m_developer_directory.c_str(); |
1223 | } |
1224 | } |
1225 | // Assign a single NULL character so we know we tried to find the device |
1226 | // support directory and we don't keep trying to find it over and over. |
1227 | m_developer_directory.assign(1, '\0'); |
1228 | } |
1229 | |
1230 | // We should have put a single NULL character into m_developer_directory or |
1231 | // it should have a valid path if the code gets here |
1232 | assert(m_developer_directory.empty() == false)((m_developer_directory.empty() == false) ? static_cast<void > (0) : __assert_fail ("m_developer_directory.empty() == false" , "/build/llvm-toolchain-snapshot-8~svn345461/tools/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp" , 1232, __PRETTY_FUNCTION__)); |
1233 | if (m_developer_directory[0]) |
1234 | return m_developer_directory.c_str(); |
1235 | return NULL__null; |
1236 | } |
1237 | |
1238 | BreakpointSP PlatformDarwin::SetThreadCreationBreakpoint(Target &target) { |
1239 | BreakpointSP bp_sp; |
1240 | static const char *g_bp_names[] = { |
1241 | "start_wqthread", "_pthread_wqthread", "_pthread_start", |
1242 | }; |
1243 | |
1244 | static const char *g_bp_modules[] = {"libsystem_c.dylib", |
1245 | "libSystem.B.dylib"}; |
1246 | |
1247 | FileSpecList bp_modules; |
1248 | for (size_t i = 0; i < llvm::array_lengthof(g_bp_modules); i++) { |
1249 | const char *bp_module = g_bp_modules[i]; |
1250 | bp_modules.Append(FileSpec(bp_module, false)); |
1251 | } |
1252 | |
1253 | bool internal = true; |
1254 | bool hardware = false; |
1255 | LazyBool skip_prologue = eLazyBoolNo; |
1256 | bp_sp = target.CreateBreakpoint(&bp_modules, NULL__null, g_bp_names, |
1257 | llvm::array_lengthof(g_bp_names), |
1258 | eFunctionNameTypeFull, eLanguageTypeUnknown, |
1259 | 0, skip_prologue, internal, hardware); |
1260 | bp_sp->SetBreakpointKind("thread-creation"); |
1261 | |
1262 | return bp_sp; |
1263 | } |
1264 | |
1265 | int32_t |
1266 | PlatformDarwin::GetResumeCountForLaunchInfo(ProcessLaunchInfo &launch_info) { |
1267 | const FileSpec &shell = launch_info.GetShell(); |
1268 | if (!shell) |
1269 | return 1; |
1270 | |
1271 | std::string shell_string = shell.GetPath(); |
1272 | const char *shell_name = strrchr(shell_string.c_str(), '/'); |
1273 | if (shell_name == NULL__null) |
1274 | shell_name = shell_string.c_str(); |
1275 | else |
1276 | shell_name++; |
1277 | |
1278 | if (strcmp(shell_name, "sh") == 0) { |
1279 | // /bin/sh re-exec's itself as /bin/bash requiring another resume. But it |
1280 | // only does this if the COMMAND_MODE environment variable is set to |
1281 | // "legacy". |
1282 | if (launch_info.GetEnvironment().lookup("COMMAND_MODE") == "legacy") |
1283 | return 2; |
1284 | return 1; |
1285 | } else if (strcmp(shell_name, "csh") == 0 || |
1286 | strcmp(shell_name, "tcsh") == 0 || |
1287 | strcmp(shell_name, "zsh") == 0) { |
1288 | // csh and tcsh always seem to re-exec themselves. |
1289 | return 2; |
1290 | } else |
1291 | return 1; |
1292 | } |
1293 | |
1294 | void PlatformDarwin::CalculateTrapHandlerSymbolNames() { |
1295 | m_trap_handlers.push_back(ConstString("_sigtramp")); |
1296 | } |
1297 | |
1298 | static const char *const sdk_strings[] = { |
1299 | "MacOSX", "iPhoneSimulator", "iPhoneOS", |
1300 | }; |
1301 | |
1302 | static FileSpec CheckPathForXcode(const FileSpec &fspec) { |
1303 | if (fspec.Exists()) { |
1304 | const char substr[] = ".app/Contents"; |
1305 | |
1306 | std::string path_to_shlib = fspec.GetPath(); |
1307 | size_t pos = path_to_shlib.rfind(substr); |
1308 | if (pos != std::string::npos) { |
1309 | path_to_shlib.erase(pos + strlen(substr)); |
1310 | FileSpec ret(path_to_shlib, false); |
1311 | |
1312 | FileSpec xcode_binary_path = ret; |
1313 | xcode_binary_path.AppendPathComponent("MacOS"); |
1314 | xcode_binary_path.AppendPathComponent("Xcode"); |
1315 | |
1316 | if (xcode_binary_path.Exists()) { |
1317 | return ret; |
1318 | } |
1319 | } |
1320 | } |
1321 | return FileSpec(); |
1322 | } |
1323 | |
1324 | static FileSpec GetXcodeContentsPath() { |
1325 | static FileSpec g_xcode_filespec; |
1326 | static llvm::once_flag g_once_flag; |
1327 | llvm::call_once(g_once_flag, []() { |
1328 | |
1329 | FileSpec fspec; |
1330 | |
1331 | // First get the program file spec. If lldb.so or LLDB.framework is running |
1332 | // in a program and that program is Xcode, the path returned with be the |
1333 | // path to Xcode.app/Contents/MacOS/Xcode, so this will be the correct |
1334 | // Xcode to use. |
1335 | fspec = HostInfo::GetProgramFileSpec(); |
1336 | |
1337 | if (fspec) { |
1338 | // Ignore the current binary if it is python. |
1339 | std::string basename_lower = fspec.GetFilename().GetCString(); |
1340 | std::transform(basename_lower.begin(), basename_lower.end(), |
1341 | basename_lower.begin(), tolower); |
1342 | if (basename_lower != "python") { |
1343 | g_xcode_filespec = CheckPathForXcode(fspec); |
1344 | } |
1345 | } |
1346 | |
1347 | // Next check DEVELOPER_DIR environment variable |
1348 | if (!g_xcode_filespec) { |
1349 | const char *developer_dir_env_var = getenv("DEVELOPER_DIR"); |
1350 | if (developer_dir_env_var && developer_dir_env_var[0]) { |
1351 | g_xcode_filespec = |
1352 | CheckPathForXcode(FileSpec(developer_dir_env_var, true)); |
1353 | } |
1354 | |
1355 | // Fall back to using "xcrun" to find the selected Xcode |
1356 | if (!g_xcode_filespec) { |
1357 | int status = 0; |
1358 | int signo = 0; |
1359 | std::string output; |
1360 | const char *command = "/usr/bin/xcode-select -p"; |
1361 | lldb_private::Status error = Host::RunShellCommand( |
1362 | command, // shell command to run |
1363 | NULL__null, // current working directory |
1364 | &status, // Put the exit status of the process in here |
1365 | &signo, // Put the signal that caused the process to exit in here |
1366 | &output, // Get the output from the command and place it in this |
1367 | // string |
1368 | std::chrono::seconds(3)); |
1369 | if (status == 0 && !output.empty()) { |
1370 | size_t first_non_newline = output.find_last_not_of("\r\n"); |
1371 | if (first_non_newline != std::string::npos) { |
1372 | output.erase(first_non_newline + 1); |
1373 | } |
1374 | output.append("/.."); |
1375 | |
1376 | g_xcode_filespec = CheckPathForXcode(FileSpec(output, false)); |
1377 | } |
1378 | } |
1379 | } |
1380 | }); |
1381 | |
1382 | return g_xcode_filespec; |
1383 | } |
1384 | |
1385 | bool PlatformDarwin::SDKSupportsModules(SDKType sdk_type, |
1386 | llvm::VersionTuple version) { |
1387 | switch (sdk_type) { |
1388 | case SDKType::MacOSX: |
1389 | return version >= llvm::VersionTuple(10, 10); |
1390 | case SDKType::iPhoneOS: |
1391 | case SDKType::iPhoneSimulator: |
1392 | return version >= llvm::VersionTuple(8); |
1393 | } |
1394 | |
1395 | return false; |
1396 | } |
1397 | |
1398 | bool PlatformDarwin::SDKSupportsModules(SDKType desired_type, |
1399 | const FileSpec &sdk_path) { |
1400 | ConstString last_path_component = sdk_path.GetLastPathComponent(); |
1401 | |
1402 | if (last_path_component) { |
1403 | const llvm::StringRef sdk_name = last_path_component.GetStringRef(); |
1404 | |
1405 | if (!sdk_name.startswith(sdk_strings[desired_type])) |
1406 | return false; |
1407 | auto version_part = |
1408 | sdk_name.drop_front(strlen(sdk_strings[desired_type])); |
1409 | version_part.consume_back(".sdk"); |
1410 | |
1411 | llvm::VersionTuple version; |
1412 | if (version.tryParse(version_part)) |
1413 | return false; |
1414 | return SDKSupportsModules(desired_type, version); |
1415 | } |
1416 | |
1417 | return false; |
1418 | } |
1419 | |
1420 | FileSpec::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator( |
1421 | void *baton, llvm::sys::fs::file_type file_type, const FileSpec &spec) { |
1422 | SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(baton); |
1423 | |
1424 | if (SDKSupportsModules(enumerator_info->sdk_type, spec)) { |
1425 | enumerator_info->found_path = spec; |
1426 | return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext; |
1427 | } |
1428 | |
1429 | return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext; |
1430 | } |
1431 | |
1432 | FileSpec PlatformDarwin::FindSDKInXcodeForModules(SDKType sdk_type, |
1433 | const FileSpec &sdks_spec) { |
1434 | // Look inside Xcode for the required installed iOS SDK version |
1435 | |
1436 | if (!llvm::sys::fs::is_directory(sdks_spec.GetPath())) { |
1437 | return FileSpec(); |
1438 | } |
1439 | |
1440 | const bool find_directories = true; |
1441 | const bool find_files = false; |
1442 | const bool find_other = true; // include symlinks |
1443 | |
1444 | SDKEnumeratorInfo enumerator_info; |
1445 | |
1446 | enumerator_info.sdk_type = sdk_type; |
1447 | |
1448 | FileSpec::EnumerateDirectory(sdks_spec.GetPath(), find_directories, |
1449 | find_files, find_other, DirectoryEnumerator, |
1450 | &enumerator_info); |
1451 | |
1452 | if (llvm::sys::fs::is_directory(enumerator_info.found_path.GetPath())) |
1453 | return enumerator_info.found_path; |
1454 | else |
1455 | return FileSpec(); |
1456 | } |
1457 | |
1458 | FileSpec PlatformDarwin::GetSDKDirectoryForModules(SDKType sdk_type) { |
1459 | switch (sdk_type) { |
1460 | case SDKType::MacOSX: |
1461 | case SDKType::iPhoneSimulator: |
1462 | case SDKType::iPhoneOS: |
1463 | break; |
1464 | } |
1465 | |
1466 | FileSpec sdks_spec = GetXcodeContentsPath(); |
1467 | sdks_spec.AppendPathComponent("Developer"); |
1468 | sdks_spec.AppendPathComponent("Platforms"); |
1469 | |
1470 | switch (sdk_type) { |
1471 | case SDKType::MacOSX: |
1472 | sdks_spec.AppendPathComponent("MacOSX.platform"); |
1473 | break; |
1474 | case SDKType::iPhoneSimulator: |
1475 | sdks_spec.AppendPathComponent("iPhoneSimulator.platform"); |
1476 | break; |
1477 | case SDKType::iPhoneOS: |
1478 | sdks_spec.AppendPathComponent("iPhoneOS.platform"); |
1479 | break; |
1480 | } |
1481 | |
1482 | sdks_spec.AppendPathComponent("Developer"); |
1483 | sdks_spec.AppendPathComponent("SDKs"); |
1484 | |
1485 | if (sdk_type == SDKType::MacOSX) { |
1486 | llvm::VersionTuple version = HostInfo::GetOSVersion(); |
1487 | |
1488 | if (!version.empty()) { |
1489 | if (SDKSupportsModules(SDKType::MacOSX, version)) { |
1490 | // We slightly prefer the exact SDK for this machine. See if it is |
1491 | // there. |
1492 | |
1493 | FileSpec native_sdk_spec = sdks_spec; |
1494 | StreamString native_sdk_name; |
1495 | native_sdk_name.Printf("MacOSX%u.%u.sdk", version.getMajor(), |
1496 | version.getMinor().getValueOr(0)); |
1497 | native_sdk_spec.AppendPathComponent(native_sdk_name.GetString()); |
1498 | |
1499 | if (native_sdk_spec.Exists()) { |
1500 | return native_sdk_spec; |
1501 | } |
1502 | } |
1503 | } |
1504 | } |
1505 | |
1506 | return FindSDKInXcodeForModules(sdk_type, sdks_spec); |
1507 | } |
1508 | |
1509 | std::tuple<llvm::VersionTuple, llvm::StringRef> |
1510 | PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) { |
1511 | llvm::StringRef build; |
1512 | llvm::StringRef version_str; |
1513 | llvm::StringRef build_str; |
1514 | std::tie(version_str, build_str) = dir.split(' '); |
1515 | llvm::VersionTuple version; |
1516 | if (!version.tryParse(version_str) || |
1517 | build_str.empty()) { |
1518 | if (build_str.consume_front("(")) { |
1519 | size_t pos = build_str.find(')'); |
1520 | build = build_str.slice(0, pos); |
1521 | } |
1522 | } |
1523 | |
1524 | return std::make_tuple(version, build); |
1525 | } |
1526 | |
1527 | void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType( |
1528 | Target *target, std::vector<std::string> &options, SDKType sdk_type) { |
1529 | const std::vector<std::string> apple_arguments = { |
1530 | "-x", "objective-c++", "-fobjc-arc", |
1531 | "-fblocks", "-D_ISO646_H", "-D__ISO646_H"}; |
1532 | |
1533 | options.insert(options.end(), apple_arguments.begin(), apple_arguments.end()); |
1534 | |
1535 | StreamString minimum_version_option; |
1536 | bool use_current_os_version = false; |
1537 | switch (sdk_type) { |
1538 | case SDKType::iPhoneOS: |
1539 | #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) |
1540 | use_current_os_version = true; |
1541 | #else |
1542 | use_current_os_version = false; |
1543 | #endif |
1544 | break; |
1545 | |
1546 | case SDKType::iPhoneSimulator: |
1547 | use_current_os_version = false; |
1548 | break; |
1549 | |
1550 | case SDKType::MacOSX: |
1551 | #if defined(__i386__) || defined(__x86_64__1) |
1552 | use_current_os_version = true; |
1553 | #else |
1554 | use_current_os_version = false; |
1555 | #endif |
1556 | break; |
1557 | } |
1558 | |
1559 | llvm::VersionTuple version; |
1560 | if (use_current_os_version) |
1561 | version = GetOSVersion(); |
1562 | else if (target) { |
1563 | // Our OS doesn't match our executable so we need to get the min OS version |
1564 | // from the object file |
1565 | ModuleSP exe_module_sp = target->GetExecutableModule(); |
1566 | if (exe_module_sp) { |
1567 | ObjectFile *object_file = exe_module_sp->GetObjectFile(); |
1568 | if (object_file) |
1569 | version = object_file->GetMinimumOSVersion(); |
1570 | } |
1571 | } |
1572 | // Only add the version-min options if we got a version from somewhere |
1573 | if (!version.empty()) { |
1574 | switch (sdk_type) { |
1575 | case SDKType::iPhoneOS: |
1576 | minimum_version_option.PutCString("-mios-version-min="); |
1577 | minimum_version_option.PutCString(version.getAsString()); |
1578 | break; |
1579 | case SDKType::iPhoneSimulator: |
1580 | minimum_version_option.PutCString("-mios-simulator-version-min="); |
1581 | minimum_version_option.PutCString(version.getAsString()); |
1582 | break; |
1583 | case SDKType::MacOSX: |
1584 | minimum_version_option.PutCString("-mmacosx-version-min="); |
1585 | minimum_version_option.PutCString(version.getAsString()); |
1586 | } |
1587 | options.push_back(minimum_version_option.GetString()); |
1588 | } |
1589 | |
1590 | FileSpec sysroot_spec; |
1591 | // Scope for mutex locker below |
1592 | { |
1593 | std::lock_guard<std::mutex> guard(m_mutex); |
1594 | sysroot_spec = GetSDKDirectoryForModules(sdk_type); |
1595 | } |
1596 | |
1597 | if (llvm::sys::fs::is_directory(sysroot_spec.GetPath())) { |
1598 | options.push_back("-isysroot"); |
1599 | options.push_back(sysroot_spec.GetPath()); |
1600 | } |
1601 | } |
1602 | |
1603 | ConstString PlatformDarwin::GetFullNameForDylib(ConstString basename) { |
1604 | if (basename.IsEmpty()) |
1605 | return basename; |
1606 | |
1607 | StreamString stream; |
1608 | stream.Printf("lib%s.dylib", basename.GetCString()); |
1609 | return ConstString(stream.GetString()); |
1610 | } |
1611 | |
1612 | llvm::VersionTuple PlatformDarwin::GetOSVersion(Process *process) { |
1613 | if (process && strstr(GetPluginName().GetCString(), "-simulator")) { |
1614 | lldb_private::ProcessInstanceInfo proc_info; |
1615 | if (Host::GetProcessInfo(process->GetID(), proc_info)) { |
1616 | const Environment &env = proc_info.GetEnvironment(); |
1617 | |
1618 | llvm::VersionTuple result; |
1619 | if (!result.tryParse(env.lookup("SIMULATOR_RUNTIME_VERSION"))) |
1620 | return result; |
1621 | |
1622 | std::string dyld_root_path = env.lookup("DYLD_ROOT_PATH"); |
1623 | if (!dyld_root_path.empty()) { |
1624 | dyld_root_path += "/System/Library/CoreServices/SystemVersion.plist"; |
1625 | ApplePropertyList system_version_plist(dyld_root_path.c_str()); |
1626 | std::string product_version; |
1627 | if (system_version_plist.GetValueAsString("ProductVersion", |
1628 | product_version)) { |
1629 | if (!result.tryParse(product_version)) |
1630 | return result; |
1631 | } |
1632 | } |
1633 | } |
1634 | // For simulator platforms, do NOT call back through |
1635 | // Platform::GetOSVersion() as it might call Process::GetHostOSVersion() |
1636 | // which we don't want as it will be incorrect |
1637 | return llvm::VersionTuple(); |
1638 | } |
1639 | |
1640 | return Platform::GetOSVersion(process); |
1641 | } |
1642 | |
1643 | lldb_private::FileSpec PlatformDarwin::LocateExecutable(const char *basename) { |
1644 | // A collection of SBFileSpec whose SBFileSpec.m_directory members are filled |
1645 | // in with |
1646 | // any executable directories that should be searched. |
1647 | static std::vector<FileSpec> g_executable_dirs; |
1648 | |
1649 | // Find the global list of directories that we will search for executables |
1650 | // once so we don't keep doing the work over and over. |
1651 | static llvm::once_flag g_once_flag; |
1652 | llvm::call_once(g_once_flag, []() { |
1653 | |
1654 | // When locating executables, trust the DEVELOPER_DIR first if it is set |
1655 | FileSpec xcode_contents_dir = GetXcodeContentsPath(); |
1656 | if (xcode_contents_dir) { |
1657 | FileSpec xcode_lldb_resources = xcode_contents_dir; |
1658 | xcode_lldb_resources.AppendPathComponent("SharedFrameworks"); |
1659 | xcode_lldb_resources.AppendPathComponent("LLDB.framework"); |
1660 | xcode_lldb_resources.AppendPathComponent("Resources"); |
1661 | if (xcode_lldb_resources.Exists()) { |
1662 | FileSpec dir; |
1663 | dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str()); |
1664 | g_executable_dirs.push_back(dir); |
1665 | } |
1666 | } |
1667 | }); |
1668 | |
1669 | // Now search the global list of executable directories for the executable we |
1670 | // are looking for |
1671 | for (const auto &executable_dir : g_executable_dirs) { |
1672 | FileSpec executable_file; |
1673 | executable_file.GetDirectory() = executable_dir.GetDirectory(); |
1674 | executable_file.GetFilename().SetCString(basename); |
1675 | if (executable_file.Exists()) |
1676 | return executable_file; |
1677 | } |
1678 | |
1679 | return FileSpec(); |
1680 | } |
1681 | |
1682 | lldb_private::Status |
1683 | PlatformDarwin::LaunchProcess(lldb_private::ProcessLaunchInfo &launch_info) { |
1684 | // Starting in Fall 2016 OSes, NSLog messages only get mirrored to stderr if |
1685 | // the OS_ACTIVITY_DT_MODE environment variable is set. (It doesn't require |
1686 | // any specific value; rather, it just needs to exist). We will set it here |
1687 | // as long as the IDE_DISABLED_OS_ACTIVITY_DT_MODE flag is not set. Xcode |
1688 | // makes use of IDE_DISABLED_OS_ACTIVITY_DT_MODE to tell |
1689 | // LLDB *not* to muck with the OS_ACTIVITY_DT_MODE flag when they |
1690 | // specifically want it unset. |
1691 | const char *disable_env_var = "IDE_DISABLED_OS_ACTIVITY_DT_MODE"; |
1692 | auto &env_vars = launch_info.GetEnvironment(); |
1693 | if (!env_vars.count(disable_env_var)) { |
1694 | // We want to make sure that OS_ACTIVITY_DT_MODE is set so that we get |
1695 | // os_log and NSLog messages mirrored to the target process stderr. |
1696 | env_vars.try_emplace("OS_ACTIVITY_DT_MODE", "enable"); |
1697 | } |
1698 | |
1699 | // Let our parent class do the real launching. |
1700 | return PlatformPOSIX::LaunchProcess(launch_info); |
1701 | } |
1702 | |
1703 | lldb_private::Status |
1704 | PlatformDarwin::FindBundleBinaryInExecSearchPaths (const ModuleSpec &module_spec, Process *process, |
1705 | ModuleSP &module_sp, |
1706 | const FileSpecList *module_search_paths_ptr, |
1707 | ModuleSP *old_module_sp_ptr, bool *did_create_ptr) |
1708 | { |
1709 | const FileSpec &platform_file = module_spec.GetFileSpec(); |
1710 | // See if the file is present in any of the module_search_paths_ptr |
1711 | // directories. |
1712 | if (!module_sp && module_search_paths_ptr && platform_file) { |
1713 | // create a vector of all the file / directory names in platform_file e.g. |
1714 | // this might be |
1715 | // /System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation |
1716 | // |
1717 | // We'll need to look in the module_search_paths_ptr directories for both |
1718 | // "UIFoundation" and "UIFoundation.framework" -- most likely the latter |
1719 | // will be the one we find there. |
1720 | |
1721 | FileSpec platform_pull_apart(platform_file); |
1722 | std::vector<std::string> path_parts; |
1723 | path_parts.push_back( |
1724 | platform_pull_apart.GetLastPathComponent().AsCString()); |
1725 | while (platform_pull_apart.RemoveLastPathComponent()) { |
1726 | ConstString part = platform_pull_apart.GetLastPathComponent(); |
1727 | path_parts.push_back(part.AsCString()); |
1728 | } |
1729 | const size_t path_parts_size = path_parts.size(); |
1730 | |
1731 | size_t num_module_search_paths = module_search_paths_ptr->GetSize(); |
1732 | for (size_t i = 0; i < num_module_search_paths; ++i) { |
1733 | Log *log_verbose = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST(1u << 14)); |
1734 | if (log_verbose) |
1735 | log_verbose->Printf ("PlatformRemoteDarwinDevice::GetSharedModule searching for binary in search-path %s", module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath().c_str()); |
1736 | // Create a new FileSpec with this module_search_paths_ptr plus just the |
1737 | // filename ("UIFoundation"), then the parent dir plus filename |
1738 | // ("UIFoundation.framework/UIFoundation") etc - up to four names (to |
1739 | // handle "Foo.framework/Contents/MacOS/Foo") |
1740 | |
1741 | for (size_t j = 0; j < 4 && j < path_parts_size - 1; ++j) { |
1742 | FileSpec path_to_try(module_search_paths_ptr->GetFileSpecAtIndex(i)); |
1743 | |
1744 | // Add the components backwards. For |
1745 | // .../PrivateFrameworks/UIFoundation.framework/UIFoundation path_parts |
1746 | // is |
1747 | // [0] UIFoundation |
1748 | // [1] UIFoundation.framework |
1749 | // [2] PrivateFrameworks |
1750 | // |
1751 | // and if 'j' is 2, we want to append path_parts[1] and then |
1752 | // path_parts[0], aka 'UIFoundation.framework/UIFoundation', to the |
1753 | // module_search_paths_ptr path. |
1754 | |
1755 | for (int k = j; k >= 0; --k) { |
1756 | path_to_try.AppendPathComponent(path_parts[k]); |
1757 | } |
1758 | |
1759 | if (path_to_try.Exists()) { |
1760 | ModuleSpec new_module_spec(module_spec); |
1761 | new_module_spec.GetFileSpec() = path_to_try; |
1762 | Status new_error(Platform::GetSharedModule( |
1763 | new_module_spec, process, module_sp, NULL__null, old_module_sp_ptr, |
1764 | did_create_ptr)); |
1765 | |
1766 | if (module_sp) { |
1767 | module_sp->SetPlatformFileSpec(path_to_try); |
1768 | return new_error; |
1769 | } |
1770 | } |
1771 | } |
1772 | } |
1773 | } |
1774 | return Status(); |
1775 | } |