1 | //===-- ProcessMinidump.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 "ProcessMinidump.h" |
10 | |
11 | #include "ThreadMinidump.h" |
12 | |
13 | #include "lldb/Core/DumpDataExtractor.h" |
14 | #include "lldb/Core/Module.h" |
15 | #include "lldb/Core/ModuleSpec.h" |
16 | #include "lldb/Core/PluginManager.h" |
17 | #include "lldb/Core/Section.h" |
18 | #include "lldb/Interpreter/CommandInterpreter.h" |
19 | #include "lldb/Interpreter/CommandObject.h" |
20 | #include "lldb/Interpreter/CommandObjectMultiword.h" |
21 | #include "lldb/Interpreter/CommandReturnObject.h" |
22 | #include "lldb/Interpreter/OptionArgParser.h" |
23 | #include "lldb/Interpreter/OptionGroupBoolean.h" |
24 | #include "lldb/Target/DynamicLoader.h" |
25 | #include "lldb/Target/JITLoaderList.h" |
26 | #include "lldb/Target/MemoryRegionInfo.h" |
27 | #include "lldb/Target/SectionLoadList.h" |
28 | #include "lldb/Target/Target.h" |
29 | #include "lldb/Target/UnixSignals.h" |
30 | #include "lldb/Utility/DataBufferHeap.h" |
31 | #include "lldb/Utility/LLDBAssert.h" |
32 | #include "lldb/Utility/LLDBLog.h" |
33 | #include "lldb/Utility/Log.h" |
34 | #include "lldb/Utility/State.h" |
35 | #include "llvm/BinaryFormat/Magic.h" |
36 | #include "llvm/Support/MemoryBuffer.h" |
37 | #include "llvm/Support/Threading.h" |
38 | |
39 | #include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h" |
40 | #include "Plugins/ObjectFile/Placeholder/ObjectFilePlaceholder.h" |
41 | #include "Plugins/Process/Utility/StopInfoMachException.h" |
42 | |
43 | #include <memory> |
44 | #include <optional> |
45 | |
46 | using namespace lldb; |
47 | using namespace lldb_private; |
48 | using namespace minidump; |
49 | |
50 | LLDB_PLUGIN_DEFINE(ProcessMinidump) |
51 | |
52 | namespace { |
53 | |
54 | /// Duplicate the HashElfTextSection() from the breakpad sources. |
55 | /// |
56 | /// Breakpad, a Google crash log reporting tool suite, creates minidump files |
57 | /// for many different architectures. When using Breakpad to create ELF |
58 | /// minidumps, it will check for a GNU build ID when creating a minidump file |
59 | /// and if one doesn't exist in the file, it will say the UUID of the file is a |
60 | /// checksum of up to the first 4096 bytes of the .text section. Facebook also |
61 | /// uses breakpad and modified this hash to avoid collisions so we can |
62 | /// calculate and check for this as well. |
63 | /// |
64 | /// The breakpad code might end up hashing up to 15 bytes that immediately |
65 | /// follow the .text section in the file, so this code must do exactly what it |
66 | /// does so we can get an exact match for the UUID. |
67 | /// |
68 | /// \param[in] module_sp The module to grab the .text section from. |
69 | /// |
70 | /// \param[in,out] breakpad_uuid A vector that will receive the calculated |
71 | /// breakpad .text hash. |
72 | /// |
73 | /// \param[in,out] facebook_uuid A vector that will receive the calculated |
74 | /// facebook .text hash. |
75 | /// |
76 | void HashElfTextSection(ModuleSP module_sp, std::vector<uint8_t> &breakpad_uuid, |
77 | std::vector<uint8_t> &facebook_uuid) { |
78 | SectionList *sect_list = module_sp->GetSectionList(); |
79 | if (sect_list == nullptr) |
80 | return; |
81 | SectionSP sect_sp = sect_list->FindSectionByName(section_dstr: ConstString(".text" )); |
82 | if (!sect_sp) |
83 | return; |
84 | constexpr size_t kMDGUIDSize = 16; |
85 | constexpr size_t kBreakpadPageSize = 4096; |
86 | // The breakpad code has a bug where it might access beyond the end of a |
87 | // .text section by up to 15 bytes, so we must ensure we round up to the |
88 | // next kMDGUIDSize byte boundary. |
89 | DataExtractor data; |
90 | const size_t text_size = sect_sp->GetFileSize(); |
91 | const size_t read_size = std::min<size_t>( |
92 | a: llvm::alignTo(Value: text_size, Align: kMDGUIDSize), b: kBreakpadPageSize); |
93 | sect_sp->GetObjectFile()->GetData(offset: sect_sp->GetFileOffset(), length: read_size, data); |
94 | |
95 | breakpad_uuid.assign(n: kMDGUIDSize, val: 0); |
96 | facebook_uuid.assign(n: kMDGUIDSize, val: 0); |
97 | |
98 | // The only difference between the breakpad hash and the facebook hash is the |
99 | // hashing of the text section size into the hash prior to hashing the .text |
100 | // contents. |
101 | for (size_t i = 0; i < kMDGUIDSize; i++) |
102 | facebook_uuid[i] ^= text_size % 255; |
103 | |
104 | // This code carefully duplicates how the hash was created in Breakpad |
105 | // sources, including the error where it might has an extra 15 bytes past the |
106 | // end of the .text section if the .text section is less than a page size in |
107 | // length. |
108 | const uint8_t *ptr = data.GetDataStart(); |
109 | const uint8_t *ptr_end = data.GetDataEnd(); |
110 | while (ptr < ptr_end) { |
111 | for (unsigned i = 0; i < kMDGUIDSize; i++) { |
112 | breakpad_uuid[i] ^= ptr[i]; |
113 | facebook_uuid[i] ^= ptr[i]; |
114 | } |
115 | ptr += kMDGUIDSize; |
116 | } |
117 | } |
118 | |
119 | } // namespace |
120 | |
121 | llvm::StringRef ProcessMinidump::GetPluginDescriptionStatic() { |
122 | return "Minidump plug-in." ; |
123 | } |
124 | |
125 | lldb::ProcessSP ProcessMinidump::CreateInstance(lldb::TargetSP target_sp, |
126 | lldb::ListenerSP listener_sp, |
127 | const FileSpec *crash_file, |
128 | bool can_connect) { |
129 | if (!crash_file || can_connect) |
130 | return nullptr; |
131 | |
132 | lldb::ProcessSP process_sp; |
133 | // Read enough data for the Minidump header |
134 | constexpr size_t = sizeof(Header); |
135 | auto DataPtr = FileSystem::Instance().CreateDataBuffer(path: crash_file->GetPath(), |
136 | size: header_size, offset: 0); |
137 | if (!DataPtr) |
138 | return nullptr; |
139 | |
140 | lldbassert(DataPtr->GetByteSize() == header_size); |
141 | if (identify_magic(magic: toStringRef(Input: DataPtr->GetData())) != llvm::file_magic::minidump) |
142 | return nullptr; |
143 | |
144 | auto AllData = |
145 | FileSystem::Instance().CreateDataBuffer(path: crash_file->GetPath(), size: -1, offset: 0); |
146 | if (!AllData) |
147 | return nullptr; |
148 | |
149 | return std::make_shared<ProcessMinidump>(args&: target_sp, args&: listener_sp, args: *crash_file, |
150 | args: std::move(AllData)); |
151 | } |
152 | |
153 | bool ProcessMinidump::CanDebug(lldb::TargetSP target_sp, |
154 | bool plugin_specified_by_name) { |
155 | return true; |
156 | } |
157 | |
158 | ProcessMinidump::ProcessMinidump(lldb::TargetSP target_sp, |
159 | lldb::ListenerSP listener_sp, |
160 | const FileSpec &core_file, |
161 | DataBufferSP core_data) |
162 | : PostMortemProcess(target_sp, listener_sp, core_file), |
163 | m_core_data(std::move(core_data)), m_is_wow64(false) {} |
164 | |
165 | ProcessMinidump::~ProcessMinidump() { |
166 | Clear(); |
167 | // We need to call finalize on the process before destroying ourselves to |
168 | // make sure all of the broadcaster cleanup goes as planned. If we destruct |
169 | // this class, then Process::~Process() might have problems trying to fully |
170 | // destroy the broadcaster. |
171 | Finalize(destructing: true /* destructing */); |
172 | } |
173 | |
174 | void ProcessMinidump::Initialize() { |
175 | static llvm::once_flag g_once_flag; |
176 | |
177 | llvm::call_once(flag&: g_once_flag, F: []() { |
178 | PluginManager::RegisterPlugin(name: GetPluginNameStatic(), |
179 | description: GetPluginDescriptionStatic(), |
180 | create_callback: ProcessMinidump::CreateInstance); |
181 | }); |
182 | } |
183 | |
184 | void ProcessMinidump::Terminate() { |
185 | PluginManager::UnregisterPlugin(create_callback: ProcessMinidump::CreateInstance); |
186 | } |
187 | |
188 | Status ProcessMinidump::DoLoadCore() { |
189 | auto expected_parser = MinidumpParser::Create(data_buf_sp: m_core_data); |
190 | if (!expected_parser) |
191 | return Status::FromError(error: expected_parser.takeError()); |
192 | m_minidump_parser = std::move(*expected_parser); |
193 | |
194 | Status error; |
195 | |
196 | // Do we support the minidump's architecture? |
197 | ArchSpec arch = GetArchitecture(); |
198 | switch (arch.GetMachine()) { |
199 | case llvm::Triple::x86: |
200 | case llvm::Triple::x86_64: |
201 | case llvm::Triple::arm: |
202 | case llvm::Triple::aarch64: |
203 | // Any supported architectures must be listed here and also supported in |
204 | // ThreadMinidump::CreateRegisterContextForFrame(). |
205 | break; |
206 | default: |
207 | error = Status::FromErrorStringWithFormat( |
208 | format: "unsupported minidump architecture: %s" , arch.GetArchitectureName()); |
209 | return error; |
210 | } |
211 | GetTarget().SetArchitecture(arch_spec: arch, set_platform: true /*set_platform*/); |
212 | |
213 | m_thread_list = m_minidump_parser->GetThreads(); |
214 | auto exception_stream_it = m_minidump_parser->GetExceptionStreams(); |
215 | for (auto exception_stream : exception_stream_it) { |
216 | // If we can't read an exception stream skip it |
217 | // We should probably serve a warning |
218 | if (!exception_stream) |
219 | continue; |
220 | |
221 | if (!m_exceptions_by_tid |
222 | .try_emplace(k: exception_stream->ThreadId, args: exception_stream.get()) |
223 | .second) { |
224 | return Status::FromErrorStringWithFormatv( |
225 | format: "Duplicate exception stream for tid {0}" , args: exception_stream->ThreadId); |
226 | } |
227 | } |
228 | |
229 | SetUnixSignals(UnixSignals::Create(arch: GetArchitecture())); |
230 | |
231 | ReadModuleList(); |
232 | if (ModuleSP module = GetTarget().GetExecutableModule()) |
233 | GetTarget().MergeArchitecture(arch_spec: module->GetArchitecture()); |
234 | std::optional<lldb::pid_t> pid = m_minidump_parser->GetPid(); |
235 | if (!pid) { |
236 | Debugger::ReportWarning(message: "unable to retrieve process ID from minidump file, " |
237 | "setting process ID to 1" , |
238 | debugger_id: GetTarget().GetDebugger().GetID()); |
239 | pid = 1; |
240 | } |
241 | SetID(*pid); |
242 | |
243 | return error; |
244 | } |
245 | |
246 | Status ProcessMinidump::DoDestroy() { return Status(); } |
247 | |
248 | void ProcessMinidump::RefreshStateAfterStop() { |
249 | |
250 | for (const auto &[_, exception_stream] : m_exceptions_by_tid) { |
251 | constexpr uint32_t BreakpadDumpRequested = 0xFFFFFFFF; |
252 | if (exception_stream.ExceptionRecord.ExceptionCode == |
253 | BreakpadDumpRequested) { |
254 | // This "ExceptionCode" value is a sentinel that is sometimes used |
255 | // when generating a dump for a process that hasn't crashed. |
256 | |
257 | // TODO: The definition and use of this "dump requested" constant |
258 | // in Breakpad are actually Linux-specific, and for similar use |
259 | // cases on Mac/Windows it defines different constants, referring |
260 | // to them as "simulated" exceptions; consider moving this check |
261 | // down to the OS-specific paths and checking each OS for its own |
262 | // constant. |
263 | return; |
264 | } |
265 | |
266 | lldb::StopInfoSP stop_info; |
267 | lldb::ThreadSP stop_thread; |
268 | |
269 | Process::m_thread_list.SetSelectedThreadByID(tid: exception_stream.ThreadId); |
270 | stop_thread = Process::m_thread_list.GetSelectedThread(); |
271 | ArchSpec arch = GetArchitecture(); |
272 | |
273 | if (arch.GetTriple().getOS() == llvm::Triple::Linux) { |
274 | uint32_t signo = exception_stream.ExceptionRecord.ExceptionCode; |
275 | if (signo == 0) { |
276 | // No stop. |
277 | return; |
278 | } |
279 | const char *description = nullptr; |
280 | if (exception_stream.ExceptionRecord.ExceptionFlags == |
281 | llvm::minidump::Exception::LLDB_FLAG) |
282 | description = reinterpret_cast<const char *>( |
283 | exception_stream.ExceptionRecord.ExceptionInformation); |
284 | |
285 | llvm::StringRef description_str(description, |
286 | Exception::MaxParameterBytes); |
287 | stop_info = StopInfo::CreateStopReasonWithSignal( |
288 | thread&: *stop_thread, signo, description: description_str.str().c_str()); |
289 | } else if (arch.GetTriple().getVendor() == llvm::Triple::Apple) { |
290 | stop_info = StopInfoMachException::CreateStopReasonWithMachException( |
291 | thread&: *stop_thread, exc_type: exception_stream.ExceptionRecord.ExceptionCode, exc_data_count: 2, |
292 | exc_code: exception_stream.ExceptionRecord.ExceptionFlags, |
293 | exc_sub_code: exception_stream.ExceptionRecord.ExceptionAddress, exc_sub_sub_code: 0); |
294 | } else { |
295 | std::string desc; |
296 | llvm::raw_string_ostream desc_stream(desc); |
297 | desc_stream << "Exception " |
298 | << llvm::format_hex( |
299 | N: exception_stream.ExceptionRecord.ExceptionCode, Width: 8) |
300 | << " encountered at address " |
301 | << llvm::format_hex( |
302 | N: exception_stream.ExceptionRecord.ExceptionAddress, Width: 8); |
303 | stop_info = |
304 | StopInfo::CreateStopReasonWithException(thread&: *stop_thread, description: desc.c_str()); |
305 | } |
306 | |
307 | stop_thread->SetStopInfo(stop_info); |
308 | } |
309 | } |
310 | |
311 | bool ProcessMinidump::IsAlive() { return true; } |
312 | |
313 | bool ProcessMinidump::WarnBeforeDetach() const { return false; } |
314 | |
315 | size_t ProcessMinidump::ReadMemory(lldb::addr_t addr, void *buf, size_t size, |
316 | Status &error) { |
317 | // Don't allow the caching that lldb_private::Process::ReadMemory does since |
318 | // we have it all cached in our dump file anyway. |
319 | return DoReadMemory(addr, buf, size, error); |
320 | } |
321 | |
322 | size_t ProcessMinidump::DoReadMemory(lldb::addr_t addr, void *buf, size_t size, |
323 | Status &error) { |
324 | |
325 | llvm::ArrayRef<uint8_t> mem = m_minidump_parser->GetMemory(addr, size); |
326 | if (mem.empty()) { |
327 | error = Status::FromErrorString(str: "could not parse memory info" ); |
328 | return 0; |
329 | } |
330 | |
331 | std::memcpy(dest: buf, src: mem.data(), n: mem.size()); |
332 | return mem.size(); |
333 | } |
334 | |
335 | ArchSpec ProcessMinidump::GetArchitecture() { |
336 | if (!m_is_wow64) { |
337 | return m_minidump_parser->GetArchitecture(); |
338 | } |
339 | |
340 | llvm::Triple triple; |
341 | triple.setVendor(llvm::Triple::VendorType::UnknownVendor); |
342 | triple.setArch(Kind: llvm::Triple::ArchType::x86); |
343 | triple.setOS(llvm::Triple::OSType::Win32); |
344 | return ArchSpec(triple); |
345 | } |
346 | |
347 | DataExtractor ProcessMinidump::GetAuxvData() { |
348 | std::optional<llvm::ArrayRef<uint8_t>> auxv = |
349 | m_minidump_parser->GetStream(stream_type: StreamType::LinuxAuxv); |
350 | if (!auxv) |
351 | return DataExtractor(); |
352 | |
353 | return DataExtractor(auxv->data(), auxv->size(), GetByteOrder(), |
354 | GetAddressByteSize(), GetAddressByteSize()); |
355 | } |
356 | |
357 | bool ProcessMinidump::IsLLDBMinidump() { |
358 | std::optional<llvm::ArrayRef<uint8_t>> lldb_generated_section = |
359 | m_minidump_parser->GetRawStream(stream_type: StreamType::LLDBGenerated); |
360 | return lldb_generated_section.has_value(); |
361 | } |
362 | |
363 | DynamicLoader *ProcessMinidump::GetDynamicLoader() { |
364 | // This is a workaround for the dynamic loader not playing nice in issue |
365 | // #119598. The specific reason we use the dynamic loader is to get the TLS |
366 | // info sections, which we can assume are not being written to the minidump |
367 | // unless it's an LLDB generate minidump. |
368 | if (IsLLDBMinidump()) |
369 | return PostMortemProcess::GetDynamicLoader(); |
370 | return nullptr; |
371 | } |
372 | |
373 | void ProcessMinidump::BuildMemoryRegions() { |
374 | if (m_memory_regions) |
375 | return; |
376 | m_memory_regions.emplace(); |
377 | bool is_complete; |
378 | std::tie(args&: *m_memory_regions, args&: is_complete) = |
379 | m_minidump_parser->BuildMemoryRegions(); |
380 | |
381 | if (is_complete) |
382 | return; |
383 | |
384 | MemoryRegionInfos to_add; |
385 | ModuleList &modules = GetTarget().GetImages(); |
386 | Target &target = GetTarget(); |
387 | modules.ForEach(callback: [&](const ModuleSP &module_sp) { |
388 | SectionList *sections = module_sp->GetSectionList(); |
389 | for (size_t i = 0; i < sections->GetSize(); ++i) { |
390 | SectionSP section_sp = sections->GetSectionAtIndex(idx: i); |
391 | addr_t load_addr = target.GetSectionLoadAddress(section_sp); |
392 | if (load_addr == LLDB_INVALID_ADDRESS) |
393 | continue; |
394 | MemoryRegionInfo::RangeType section_range(load_addr, |
395 | section_sp->GetByteSize()); |
396 | MemoryRegionInfo region = |
397 | MinidumpParser::GetMemoryRegionInfo(regions: *m_memory_regions, load_addr); |
398 | if (region.GetMapped() != MemoryRegionInfo::eYes && |
399 | region.GetRange().GetRangeBase() <= section_range.GetRangeBase() && |
400 | section_range.GetRangeEnd() <= region.GetRange().GetRangeEnd()) { |
401 | to_add.emplace_back(); |
402 | to_add.back().GetRange() = section_range; |
403 | to_add.back().SetLLDBPermissions(section_sp->GetPermissions()); |
404 | to_add.back().SetMapped(MemoryRegionInfo::eYes); |
405 | to_add.back().SetName(module_sp->GetFileSpec().GetPath().c_str()); |
406 | } |
407 | } |
408 | return true; |
409 | }); |
410 | m_memory_regions->insert(position: m_memory_regions->end(), first: to_add.begin(), |
411 | last: to_add.end()); |
412 | llvm::sort(C&: *m_memory_regions); |
413 | } |
414 | |
415 | Status ProcessMinidump::DoGetMemoryRegionInfo(lldb::addr_t load_addr, |
416 | MemoryRegionInfo ®ion) { |
417 | BuildMemoryRegions(); |
418 | region = MinidumpParser::GetMemoryRegionInfo(regions: *m_memory_regions, load_addr); |
419 | return Status(); |
420 | } |
421 | |
422 | Status ProcessMinidump::GetMemoryRegions(MemoryRegionInfos ®ion_list) { |
423 | BuildMemoryRegions(); |
424 | region_list = *m_memory_regions; |
425 | return Status(); |
426 | } |
427 | |
428 | void ProcessMinidump::Clear() { Process::m_thread_list.Clear(); } |
429 | |
430 | bool ProcessMinidump::DoUpdateThreadList(ThreadList &old_thread_list, |
431 | ThreadList &new_thread_list) { |
432 | for (const minidump::Thread &thread : m_thread_list) { |
433 | LocationDescriptor context_location = thread.Context; |
434 | |
435 | // If the minidump contains an exception context, use it |
436 | if (auto it = m_exceptions_by_tid.find(x: thread.ThreadId); |
437 | it != m_exceptions_by_tid.end()) |
438 | context_location = it->second.ThreadContext; |
439 | |
440 | llvm::ArrayRef<uint8_t> context; |
441 | if (!m_is_wow64) |
442 | context = m_minidump_parser->GetThreadContext(location: context_location); |
443 | else |
444 | context = m_minidump_parser->GetThreadContextWow64(td: thread); |
445 | |
446 | lldb::ThreadSP thread_sp(new ThreadMinidump(*this, thread, context)); |
447 | new_thread_list.AddThread(thread_sp); |
448 | } |
449 | return new_thread_list.GetSize(can_update: false) > 0; |
450 | } |
451 | |
452 | ModuleSP ProcessMinidump::GetOrCreateModule(UUID minidump_uuid, |
453 | llvm::StringRef name, |
454 | ModuleSpec module_spec) { |
455 | Log *log = GetLog(mask: LLDBLog::DynamicLoader); |
456 | Status error; |
457 | |
458 | ModuleSP module_sp = |
459 | GetTarget().GetOrCreateModule(module_spec, notify: true /* notify */, error_ptr: &error); |
460 | if (!module_sp) |
461 | return module_sp; |
462 | // We consider the module to be a match if the minidump UUID is a |
463 | // prefix of the actual UUID, or if either of the UUIDs are empty. |
464 | const auto dmp_bytes = minidump_uuid.GetBytes(); |
465 | const auto mod_bytes = module_sp->GetUUID().GetBytes(); |
466 | const bool match = dmp_bytes.empty() || mod_bytes.empty() || |
467 | mod_bytes.take_front(N: dmp_bytes.size()) == dmp_bytes; |
468 | if (match) { |
469 | LLDB_LOG(log, "Partial uuid match for {0}." , name); |
470 | return module_sp; |
471 | } |
472 | |
473 | // Breakpad generates minindump files, and if there is no GNU build |
474 | // ID in the binary, it will calculate a UUID by hashing first 4096 |
475 | // bytes of the .text section and using that as the UUID for a module |
476 | // in the minidump. Facebook uses a modified breakpad client that |
477 | // uses a slightly modified this hash to avoid collisions. Check for |
478 | // UUIDs from the minindump that match these cases and accept the |
479 | // module we find if they do match. |
480 | std::vector<uint8_t> breakpad_uuid; |
481 | std::vector<uint8_t> facebook_uuid; |
482 | HashElfTextSection(module_sp, breakpad_uuid, facebook_uuid); |
483 | if (dmp_bytes == llvm::ArrayRef<uint8_t>(breakpad_uuid)) { |
484 | LLDB_LOG(log, "Breakpad .text hash match for {0}." , name); |
485 | return module_sp; |
486 | } |
487 | if (dmp_bytes == llvm::ArrayRef<uint8_t>(facebook_uuid)) { |
488 | LLDB_LOG(log, "Facebook .text hash match for {0}." , name); |
489 | return module_sp; |
490 | } |
491 | // The UUID wasn't a partial match and didn't match the .text hash |
492 | // so remove the module from the target, we will need to create a |
493 | // placeholder object file. |
494 | GetTarget().GetImages().Remove(module_sp); |
495 | module_sp.reset(); |
496 | return module_sp; |
497 | } |
498 | |
499 | void ProcessMinidump::ReadModuleList() { |
500 | std::vector<const minidump::Module *> filtered_modules = |
501 | m_minidump_parser->GetFilteredModuleList(); |
502 | |
503 | Log *log = GetLog(mask: LLDBLog::DynamicLoader); |
504 | |
505 | for (auto module : filtered_modules) { |
506 | std::string name = cantFail(ValOrErr: m_minidump_parser->GetMinidumpFile().getString( |
507 | Offset: module->ModuleNameRVA)); |
508 | const uint64_t load_addr = module->BaseOfImage; |
509 | const uint64_t load_size = module->SizeOfImage; |
510 | LLDB_LOG(log, "found module: name: {0} {1:x10}-{2:x10} size: {3}" , name, |
511 | load_addr, load_addr + load_size, load_size); |
512 | |
513 | // check if the process is wow64 - a 32 bit windows process running on a |
514 | // 64 bit windows |
515 | if (llvm::StringRef(name).ends_with_insensitive(Suffix: "wow64.dll" )) { |
516 | m_is_wow64 = true; |
517 | } |
518 | |
519 | const auto uuid = m_minidump_parser->GetModuleUUID(module); |
520 | auto file_spec = FileSpec(name, GetArchitecture().GetTriple()); |
521 | ModuleSpec module_spec(file_spec, uuid); |
522 | module_spec.GetArchitecture() = GetArchitecture(); |
523 | Status error; |
524 | // Try and find a module with a full UUID that matches. This function will |
525 | // add the module to the target if it finds one. |
526 | lldb::ModuleSP module_sp = GetTarget().GetOrCreateModule(module_spec, |
527 | notify: true /* notify */, error_ptr: &error); |
528 | if (module_sp) { |
529 | LLDB_LOG(log, "Full uuid match for {0}." , name); |
530 | } else { |
531 | // We couldn't find a module with an exactly-matching UUID. Sometimes |
532 | // a minidump UUID is only a partial match or is a hash. So try again |
533 | // without specifying the UUID, then again without specifying the |
534 | // directory if that fails. This will allow us to find modules with |
535 | // partial matches or hash UUIDs in user-provided sysroots or search |
536 | // directories (target.exec-search-paths). |
537 | ModuleSpec partial_module_spec = module_spec; |
538 | partial_module_spec.GetUUID().Clear(); |
539 | module_sp = GetOrCreateModule(minidump_uuid: uuid, name, module_spec: partial_module_spec); |
540 | if (!module_sp) { |
541 | partial_module_spec.GetFileSpec().ClearDirectory(); |
542 | module_sp = GetOrCreateModule(minidump_uuid: uuid, name, module_spec: partial_module_spec); |
543 | } |
544 | } |
545 | if (module_sp) { |
546 | // Watch out for place holder modules that have different paths, but the |
547 | // same UUID. If the base address is different, create a new module. If |
548 | // we don't then we will end up setting the load address of a different |
549 | // ObjectFilePlaceholder and an assertion will fire. |
550 | auto *objfile = module_sp->GetObjectFile(); |
551 | if (objfile && |
552 | objfile->GetPluginName() == |
553 | ObjectFilePlaceholder::GetPluginNameStatic()) { |
554 | if (((ObjectFilePlaceholder *)objfile)->GetBaseImageAddress() != |
555 | load_addr) |
556 | module_sp.reset(); |
557 | } |
558 | } |
559 | if (!module_sp) { |
560 | // We failed to locate a matching local object file. Fortunately, the |
561 | // minidump format encodes enough information about each module's memory |
562 | // range to allow us to create placeholder modules. |
563 | // |
564 | // This enables most LLDB functionality involving address-to-module |
565 | // translations (ex. identifing the module for a stack frame PC) and |
566 | // modules/sections commands (ex. target modules list, ...) |
567 | LLDB_LOG(log, |
568 | "Unable to locate the matching object file, creating a " |
569 | "placeholder module for: {0}" , |
570 | name); |
571 | |
572 | module_sp = Module::CreateModuleFromObjectFile<ObjectFilePlaceholder>( |
573 | args&: module_spec, args: load_addr, args: load_size); |
574 | // If we haven't loaded a main executable yet, set the first module to be |
575 | // main executable |
576 | if (!GetTarget().GetExecutableModule()) |
577 | GetTarget().SetExecutableModule(module_sp); |
578 | else |
579 | GetTarget().GetImages().Append(module_sp, notify: true /* notify */); |
580 | } |
581 | |
582 | bool load_addr_changed = false; |
583 | module_sp->SetLoadAddress(target&: GetTarget(), value: load_addr, value_is_offset: false, |
584 | changed&: load_addr_changed); |
585 | } |
586 | } |
587 | |
588 | bool ProcessMinidump::GetProcessInfo(ProcessInstanceInfo &info) { |
589 | info.Clear(); |
590 | info.SetProcessID(GetID()); |
591 | info.SetArchitecture(GetArchitecture()); |
592 | lldb::ModuleSP module_sp = GetTarget().GetExecutableModule(); |
593 | if (module_sp) { |
594 | const bool add_exe_file_as_first_arg = false; |
595 | info.SetExecutableFile(exe_file: GetTarget().GetExecutableModule()->GetFileSpec(), |
596 | add_exe_file_as_first_arg); |
597 | } |
598 | return true; |
599 | } |
600 | |
601 | // For minidumps there's no runtime generated code so we don't need JITLoader(s) |
602 | // Avoiding them will also speed up minidump loading since JITLoaders normally |
603 | // try to set up symbolic breakpoints, which in turn may force loading more |
604 | // debug information than needed. |
605 | JITLoaderList &ProcessMinidump::GetJITLoaders() { |
606 | if (!m_jit_loaders_up) { |
607 | m_jit_loaders_up = std::make_unique<JITLoaderList>(); |
608 | } |
609 | return *m_jit_loaders_up; |
610 | } |
611 | |
612 | #define INIT_BOOL(VAR, LONG, SHORT, DESC) \ |
613 | VAR(LLDB_OPT_SET_1, false, LONG, SHORT, DESC, false, true) |
614 | #define APPEND_OPT(VAR) \ |
615 | m_option_group.Append(&VAR, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1) |
616 | |
617 | class CommandObjectProcessMinidumpDump : public CommandObjectParsed { |
618 | private: |
619 | OptionGroupOptions m_option_group; |
620 | OptionGroupBoolean m_dump_all; |
621 | OptionGroupBoolean m_dump_directory; |
622 | OptionGroupBoolean m_dump_linux_cpuinfo; |
623 | OptionGroupBoolean m_dump_linux_proc_status; |
624 | OptionGroupBoolean m_dump_linux_lsb_release; |
625 | OptionGroupBoolean m_dump_linux_cmdline; |
626 | OptionGroupBoolean m_dump_linux_environ; |
627 | OptionGroupBoolean m_dump_linux_auxv; |
628 | OptionGroupBoolean m_dump_linux_maps; |
629 | OptionGroupBoolean m_dump_linux_proc_stat; |
630 | OptionGroupBoolean m_dump_linux_proc_uptime; |
631 | OptionGroupBoolean m_dump_linux_proc_fd; |
632 | OptionGroupBoolean m_dump_linux_all; |
633 | OptionGroupBoolean m_fb_app_data; |
634 | OptionGroupBoolean m_fb_build_id; |
635 | OptionGroupBoolean m_fb_version; |
636 | OptionGroupBoolean m_fb_java_stack; |
637 | OptionGroupBoolean m_fb_dalvik; |
638 | OptionGroupBoolean m_fb_unwind; |
639 | OptionGroupBoolean m_fb_error_log; |
640 | OptionGroupBoolean m_fb_app_state; |
641 | OptionGroupBoolean m_fb_abort; |
642 | OptionGroupBoolean m_fb_thread; |
643 | OptionGroupBoolean m_fb_logcat; |
644 | OptionGroupBoolean m_fb_all; |
645 | |
646 | void SetDefaultOptionsIfNoneAreSet() { |
647 | if (m_dump_all.GetOptionValue().GetCurrentValue() || |
648 | m_dump_linux_all.GetOptionValue().GetCurrentValue() || |
649 | m_fb_all.GetOptionValue().GetCurrentValue() || |
650 | m_dump_directory.GetOptionValue().GetCurrentValue() || |
651 | m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue() || |
652 | m_dump_linux_proc_status.GetOptionValue().GetCurrentValue() || |
653 | m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue() || |
654 | m_dump_linux_cmdline.GetOptionValue().GetCurrentValue() || |
655 | m_dump_linux_environ.GetOptionValue().GetCurrentValue() || |
656 | m_dump_linux_auxv.GetOptionValue().GetCurrentValue() || |
657 | m_dump_linux_maps.GetOptionValue().GetCurrentValue() || |
658 | m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue() || |
659 | m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue() || |
660 | m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue() || |
661 | m_fb_app_data.GetOptionValue().GetCurrentValue() || |
662 | m_fb_build_id.GetOptionValue().GetCurrentValue() || |
663 | m_fb_version.GetOptionValue().GetCurrentValue() || |
664 | m_fb_java_stack.GetOptionValue().GetCurrentValue() || |
665 | m_fb_dalvik.GetOptionValue().GetCurrentValue() || |
666 | m_fb_unwind.GetOptionValue().GetCurrentValue() || |
667 | m_fb_error_log.GetOptionValue().GetCurrentValue() || |
668 | m_fb_app_state.GetOptionValue().GetCurrentValue() || |
669 | m_fb_abort.GetOptionValue().GetCurrentValue() || |
670 | m_fb_thread.GetOptionValue().GetCurrentValue() || |
671 | m_fb_logcat.GetOptionValue().GetCurrentValue()) |
672 | return; |
673 | // If no options were set, then dump everything |
674 | m_dump_all.GetOptionValue().SetCurrentValue(true); |
675 | } |
676 | bool DumpAll() const { |
677 | return m_dump_all.GetOptionValue().GetCurrentValue(); |
678 | } |
679 | bool DumpDirectory() const { |
680 | return DumpAll() || |
681 | m_dump_directory.GetOptionValue().GetCurrentValue(); |
682 | } |
683 | bool DumpLinux() const { |
684 | return DumpAll() || m_dump_linux_all.GetOptionValue().GetCurrentValue(); |
685 | } |
686 | bool DumpLinuxCPUInfo() const { |
687 | return DumpLinux() || |
688 | m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue(); |
689 | } |
690 | bool DumpLinuxProcStatus() const { |
691 | return DumpLinux() || |
692 | m_dump_linux_proc_status.GetOptionValue().GetCurrentValue(); |
693 | } |
694 | bool DumpLinuxProcStat() const { |
695 | return DumpLinux() || |
696 | m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue(); |
697 | } |
698 | bool DumpLinuxLSBRelease() const { |
699 | return DumpLinux() || |
700 | m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue(); |
701 | } |
702 | bool DumpLinuxCMDLine() const { |
703 | return DumpLinux() || |
704 | m_dump_linux_cmdline.GetOptionValue().GetCurrentValue(); |
705 | } |
706 | bool DumpLinuxEnviron() const { |
707 | return DumpLinux() || |
708 | m_dump_linux_environ.GetOptionValue().GetCurrentValue(); |
709 | } |
710 | bool DumpLinuxAuxv() const { |
711 | return DumpLinux() || |
712 | m_dump_linux_auxv.GetOptionValue().GetCurrentValue(); |
713 | } |
714 | bool DumpLinuxMaps() const { |
715 | return DumpLinux() || |
716 | m_dump_linux_maps.GetOptionValue().GetCurrentValue(); |
717 | } |
718 | bool DumpLinuxProcUptime() const { |
719 | return DumpLinux() || |
720 | m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue(); |
721 | } |
722 | bool DumpLinuxProcFD() const { |
723 | return DumpLinux() || |
724 | m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue(); |
725 | } |
726 | bool DumpFacebook() const { |
727 | return DumpAll() || m_fb_all.GetOptionValue().GetCurrentValue(); |
728 | } |
729 | bool DumpFacebookAppData() const { |
730 | return DumpFacebook() || m_fb_app_data.GetOptionValue().GetCurrentValue(); |
731 | } |
732 | bool DumpFacebookBuildID() const { |
733 | return DumpFacebook() || m_fb_build_id.GetOptionValue().GetCurrentValue(); |
734 | } |
735 | bool DumpFacebookVersionName() const { |
736 | return DumpFacebook() || m_fb_version.GetOptionValue().GetCurrentValue(); |
737 | } |
738 | bool DumpFacebookJavaStack() const { |
739 | return DumpFacebook() || m_fb_java_stack.GetOptionValue().GetCurrentValue(); |
740 | } |
741 | bool DumpFacebookDalvikInfo() const { |
742 | return DumpFacebook() || m_fb_dalvik.GetOptionValue().GetCurrentValue(); |
743 | } |
744 | bool DumpFacebookUnwindSymbols() const { |
745 | return DumpFacebook() || m_fb_unwind.GetOptionValue().GetCurrentValue(); |
746 | } |
747 | bool DumpFacebookErrorLog() const { |
748 | return DumpFacebook() || m_fb_error_log.GetOptionValue().GetCurrentValue(); |
749 | } |
750 | bool DumpFacebookAppStateLog() const { |
751 | return DumpFacebook() || m_fb_app_state.GetOptionValue().GetCurrentValue(); |
752 | } |
753 | bool DumpFacebookAbortReason() const { |
754 | return DumpFacebook() || m_fb_abort.GetOptionValue().GetCurrentValue(); |
755 | } |
756 | bool DumpFacebookThreadName() const { |
757 | return DumpFacebook() || m_fb_thread.GetOptionValue().GetCurrentValue(); |
758 | } |
759 | bool DumpFacebookLogcat() const { |
760 | return DumpFacebook() || m_fb_logcat.GetOptionValue().GetCurrentValue(); |
761 | } |
762 | public: |
763 | CommandObjectProcessMinidumpDump(CommandInterpreter &interpreter) |
764 | : CommandObjectParsed(interpreter, "process plugin dump" , |
765 | "Dump information from the minidump file." , nullptr), |
766 | m_option_group(), |
767 | INIT_BOOL(m_dump_all, "all" , 'a', |
768 | "Dump the everything in the minidump." ), |
769 | INIT_BOOL(m_dump_directory, "directory" , 'd', |
770 | "Dump the minidump directory map." ), |
771 | INIT_BOOL(m_dump_linux_cpuinfo, "cpuinfo" , 'C', |
772 | "Dump linux /proc/cpuinfo." ), |
773 | INIT_BOOL(m_dump_linux_proc_status, "status" , 's', |
774 | "Dump linux /proc/<pid>/status." ), |
775 | INIT_BOOL(m_dump_linux_lsb_release, "lsb-release" , 'r', |
776 | "Dump linux /etc/lsb-release." ), |
777 | INIT_BOOL(m_dump_linux_cmdline, "cmdline" , 'c', |
778 | "Dump linux /proc/<pid>/cmdline." ), |
779 | INIT_BOOL(m_dump_linux_environ, "environ" , 'e', |
780 | "Dump linux /proc/<pid>/environ." ), |
781 | INIT_BOOL(m_dump_linux_auxv, "auxv" , 'x', |
782 | "Dump linux /proc/<pid>/auxv." ), |
783 | INIT_BOOL(m_dump_linux_maps, "maps" , 'm', |
784 | "Dump linux /proc/<pid>/maps." ), |
785 | INIT_BOOL(m_dump_linux_proc_stat, "stat" , 'S', |
786 | "Dump linux /proc/<pid>/stat." ), |
787 | INIT_BOOL(m_dump_linux_proc_uptime, "uptime" , 'u', |
788 | "Dump linux process uptime." ), |
789 | INIT_BOOL(m_dump_linux_proc_fd, "fd" , 'f', |
790 | "Dump linux /proc/<pid>/fd." ), |
791 | INIT_BOOL(m_dump_linux_all, "linux" , 'l', |
792 | "Dump all linux streams." ), |
793 | INIT_BOOL(m_fb_app_data, "fb-app-data" , 1, |
794 | "Dump Facebook application custom data." ), |
795 | INIT_BOOL(m_fb_build_id, "fb-build-id" , 2, |
796 | "Dump the Facebook build ID." ), |
797 | INIT_BOOL(m_fb_version, "fb-version" , 3, |
798 | "Dump Facebook application version string." ), |
799 | INIT_BOOL(m_fb_java_stack, "fb-java-stack" , 4, |
800 | "Dump Facebook java stack." ), |
801 | INIT_BOOL(m_fb_dalvik, "fb-dalvik-info" , 5, |
802 | "Dump Facebook Dalvik info." ), |
803 | INIT_BOOL(m_fb_unwind, "fb-unwind-symbols" , 6, |
804 | "Dump Facebook unwind symbols." ), |
805 | INIT_BOOL(m_fb_error_log, "fb-error-log" , 7, |
806 | "Dump Facebook error log." ), |
807 | INIT_BOOL(m_fb_app_state, "fb-app-state-log" , 8, |
808 | "Dump Facebook java stack." ), |
809 | INIT_BOOL(m_fb_abort, "fb-abort-reason" , 9, |
810 | "Dump Facebook abort reason." ), |
811 | INIT_BOOL(m_fb_thread, "fb-thread-name" , 10, |
812 | "Dump Facebook thread name." ), |
813 | INIT_BOOL(m_fb_logcat, "fb-logcat" , 11, |
814 | "Dump Facebook logcat." ), |
815 | INIT_BOOL(m_fb_all, "facebook" , 12, "Dump all Facebook streams." ) { |
816 | APPEND_OPT(m_dump_all); |
817 | APPEND_OPT(m_dump_directory); |
818 | APPEND_OPT(m_dump_linux_cpuinfo); |
819 | APPEND_OPT(m_dump_linux_proc_status); |
820 | APPEND_OPT(m_dump_linux_lsb_release); |
821 | APPEND_OPT(m_dump_linux_cmdline); |
822 | APPEND_OPT(m_dump_linux_environ); |
823 | APPEND_OPT(m_dump_linux_auxv); |
824 | APPEND_OPT(m_dump_linux_maps); |
825 | APPEND_OPT(m_dump_linux_proc_stat); |
826 | APPEND_OPT(m_dump_linux_proc_uptime); |
827 | APPEND_OPT(m_dump_linux_proc_fd); |
828 | APPEND_OPT(m_dump_linux_all); |
829 | APPEND_OPT(m_fb_app_data); |
830 | APPEND_OPT(m_fb_build_id); |
831 | APPEND_OPT(m_fb_version); |
832 | APPEND_OPT(m_fb_java_stack); |
833 | APPEND_OPT(m_fb_dalvik); |
834 | APPEND_OPT(m_fb_unwind); |
835 | APPEND_OPT(m_fb_error_log); |
836 | APPEND_OPT(m_fb_app_state); |
837 | APPEND_OPT(m_fb_abort); |
838 | APPEND_OPT(m_fb_thread); |
839 | APPEND_OPT(m_fb_logcat); |
840 | APPEND_OPT(m_fb_all); |
841 | m_option_group.Finalize(); |
842 | } |
843 | |
844 | ~CommandObjectProcessMinidumpDump() override = default; |
845 | |
846 | Options *GetOptions() override { return &m_option_group; } |
847 | |
848 | void DoExecute(Args &command, CommandReturnObject &result) override { |
849 | const size_t argc = command.GetArgumentCount(); |
850 | if (argc > 0) { |
851 | result.AppendErrorWithFormat(format: "'%s' take no arguments, only options" , |
852 | m_cmd_name.c_str()); |
853 | return; |
854 | } |
855 | SetDefaultOptionsIfNoneAreSet(); |
856 | |
857 | ProcessMinidump *process = static_cast<ProcessMinidump *>( |
858 | m_interpreter.GetExecutionContext().GetProcessPtr()); |
859 | result.SetStatus(eReturnStatusSuccessFinishResult); |
860 | Stream &s = result.GetOutputStream(); |
861 | MinidumpParser &minidump = *process->m_minidump_parser; |
862 | if (DumpDirectory()) { |
863 | s.Printf(format: "RVA SIZE TYPE StreamType\n" ); |
864 | s.Printf(format: "---------- ---------- ---------- --------------------------\n" ); |
865 | for (const auto &stream_desc : minidump.GetMinidumpFile().streams()) |
866 | s.Printf( |
867 | format: "0x%8.8x 0x%8.8x 0x%8.8x %s\n" , (uint32_t)stream_desc.Location.RVA, |
868 | (uint32_t)stream_desc.Location.DataSize, |
869 | (unsigned)(StreamType)stream_desc.Type, |
870 | MinidumpParser::GetStreamTypeAsString(stream_type: stream_desc.Type).data()); |
871 | s.Printf(format: "\n" ); |
872 | } |
873 | auto DumpTextStream = [&](StreamType stream_type, |
874 | llvm::StringRef label) -> void { |
875 | auto bytes = minidump.GetStream(stream_type); |
876 | if (!bytes.empty()) { |
877 | if (label.empty()) |
878 | label = MinidumpParser::GetStreamTypeAsString(stream_type); |
879 | s.Printf(format: "%s:\n%s\n\n" , label.data(), bytes.data()); |
880 | } |
881 | }; |
882 | auto DumpBinaryStream = [&](StreamType stream_type, |
883 | llvm::StringRef label) -> void { |
884 | auto bytes = minidump.GetStream(stream_type); |
885 | if (!bytes.empty()) { |
886 | if (label.empty()) |
887 | label = MinidumpParser::GetStreamTypeAsString(stream_type); |
888 | s.Printf(format: "%s:\n" , label.data()); |
889 | DataExtractor data(bytes.data(), bytes.size(), eByteOrderLittle, |
890 | process->GetAddressByteSize()); |
891 | DumpDataExtractor(DE: data, s: &s, offset: 0, item_format: lldb::eFormatBytesWithASCII, item_byte_size: 1, |
892 | item_count: bytes.size(), num_per_line: 16, base_addr: 0, item_bit_size: 0, item_bit_offset: 0); |
893 | s.Printf(format: "\n\n" ); |
894 | } |
895 | }; |
896 | |
897 | if (DumpLinuxCPUInfo()) |
898 | DumpTextStream(StreamType::LinuxCPUInfo, "/proc/cpuinfo" ); |
899 | if (DumpLinuxProcStatus()) |
900 | DumpTextStream(StreamType::LinuxProcStatus, "/proc/PID/status" ); |
901 | if (DumpLinuxLSBRelease()) |
902 | DumpTextStream(StreamType::LinuxLSBRelease, "/etc/lsb-release" ); |
903 | if (DumpLinuxCMDLine()) |
904 | DumpTextStream(StreamType::LinuxCMDLine, "/proc/PID/cmdline" ); |
905 | if (DumpLinuxEnviron()) |
906 | DumpTextStream(StreamType::LinuxEnviron, "/proc/PID/environ" ); |
907 | if (DumpLinuxAuxv()) |
908 | DumpBinaryStream(StreamType::LinuxAuxv, "/proc/PID/auxv" ); |
909 | if (DumpLinuxMaps()) |
910 | DumpTextStream(StreamType::LinuxMaps, "/proc/PID/maps" ); |
911 | if (DumpLinuxProcStat()) |
912 | DumpTextStream(StreamType::LinuxProcStat, "/proc/PID/stat" ); |
913 | if (DumpLinuxProcUptime()) |
914 | DumpTextStream(StreamType::LinuxProcUptime, "uptime" ); |
915 | if (DumpLinuxProcFD()) |
916 | DumpTextStream(StreamType::LinuxProcFD, "/proc/PID/fd" ); |
917 | if (DumpFacebookAppData()) |
918 | DumpTextStream(StreamType::FacebookAppCustomData, |
919 | "Facebook App Data" ); |
920 | if (DumpFacebookBuildID()) { |
921 | auto bytes = minidump.GetStream(stream_type: StreamType::FacebookBuildID); |
922 | if (bytes.size() >= 4) { |
923 | DataExtractor data(bytes.data(), bytes.size(), eByteOrderLittle, |
924 | process->GetAddressByteSize()); |
925 | lldb::offset_t offset = 0; |
926 | uint32_t build_id = data.GetU32(offset_ptr: &offset); |
927 | s.Printf(format: "Facebook Build ID:\n" ); |
928 | s.Printf(format: "%u\n" , build_id); |
929 | s.Printf(format: "\n" ); |
930 | } |
931 | } |
932 | if (DumpFacebookVersionName()) |
933 | DumpTextStream(StreamType::FacebookAppVersionName, |
934 | "Facebook Version String" ); |
935 | if (DumpFacebookJavaStack()) |
936 | DumpTextStream(StreamType::FacebookJavaStack, |
937 | "Facebook Java Stack" ); |
938 | if (DumpFacebookDalvikInfo()) |
939 | DumpTextStream(StreamType::FacebookDalvikInfo, |
940 | "Facebook Dalvik Info" ); |
941 | if (DumpFacebookUnwindSymbols()) |
942 | DumpBinaryStream(StreamType::FacebookUnwindSymbols, |
943 | "Facebook Unwind Symbols Bytes" ); |
944 | if (DumpFacebookErrorLog()) |
945 | DumpTextStream(StreamType::FacebookDumpErrorLog, |
946 | "Facebook Error Log" ); |
947 | if (DumpFacebookAppStateLog()) |
948 | DumpTextStream(StreamType::FacebookAppStateLog, |
949 | "Faceook Application State Log" ); |
950 | if (DumpFacebookAbortReason()) |
951 | DumpTextStream(StreamType::FacebookAbortReason, |
952 | "Facebook Abort Reason" ); |
953 | if (DumpFacebookThreadName()) |
954 | DumpTextStream(StreamType::FacebookThreadName, |
955 | "Facebook Thread Name" ); |
956 | if (DumpFacebookLogcat()) |
957 | DumpTextStream(StreamType::FacebookLogcat, "Facebook Logcat" ); |
958 | } |
959 | }; |
960 | |
961 | class CommandObjectMultiwordProcessMinidump : public CommandObjectMultiword { |
962 | public: |
963 | CommandObjectMultiwordProcessMinidump(CommandInterpreter &interpreter) |
964 | : CommandObjectMultiword(interpreter, "process plugin" , |
965 | "Commands for operating on a ProcessMinidump process." , |
966 | "process plugin <subcommand> [<subcommand-options>]" ) { |
967 | LoadSubCommand(cmd_name: "dump" , |
968 | command_obj: CommandObjectSP(new CommandObjectProcessMinidumpDump(interpreter))); |
969 | } |
970 | |
971 | ~CommandObjectMultiwordProcessMinidump() override = default; |
972 | }; |
973 | |
974 | CommandObject *ProcessMinidump::GetPluginCommandObject() { |
975 | if (!m_command_sp) |
976 | m_command_sp = std::make_shared<CommandObjectMultiwordProcessMinidump>( |
977 | args&: GetTarget().GetDebugger().GetCommandInterpreter()); |
978 | return m_command_sp.get(); |
979 | } |
980 | |