| //===-- ProcessMinidump.cpp -------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ProcessMinidump.h" |
| |
| #include "ThreadMinidump.h" |
| |
| #include "lldb/Core/DumpDataExtractor.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Core/Section.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/CommandObject.h" |
| #include "lldb/Interpreter/CommandObjectMultiword.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "lldb/Interpreter/OptionArgParser.h" |
| #include "lldb/Interpreter/OptionGroupBoolean.h" |
| #include "lldb/Target/JITLoaderList.h" |
| #include "lldb/Target/MemoryRegionInfo.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/UnixSignals.h" |
| #include "lldb/Utility/LLDBAssert.h" |
| #include "lldb/Utility/Log.h" |
| #include "lldb/Utility/State.h" |
| |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/Threading.h" |
| |
| #include "Plugins/Process/Utility/StopInfoMachException.h" |
| |
| #include <memory> |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace minidump; |
| |
| //------------------------------------------------------------------ |
| /// A placeholder module used for minidumps, where the original |
| /// object files may not be available (so we can't parse the object |
| /// files to extract the set of sections/segments) |
| /// |
| /// This placeholder module has a single synthetic section (.module_image) |
| /// which represents the module memory range covering the whole module. |
| //------------------------------------------------------------------ |
| class PlaceholderModule : public Module { |
| public: |
| PlaceholderModule(const ModuleSpec &module_spec) : |
| Module(module_spec.GetFileSpec(), module_spec.GetArchitecture()) { |
| if (module_spec.GetUUID().IsValid()) |
| SetUUID(module_spec.GetUUID()); |
| } |
| |
| // Creates a synthetic module section covering the whole module image (and |
| // sets the section load address as well) |
| void CreateImageSection(const MinidumpModule *module, Target& target) { |
| const ConstString section_name(".module_image"); |
| lldb::SectionSP section_sp(new Section( |
| shared_from_this(), // Module to which this section belongs. |
| nullptr, // ObjectFile |
| 0, // Section ID. |
| section_name, // Section name. |
| eSectionTypeContainer, // Section type. |
| module->base_of_image, // VM address. |
| module->size_of_image, // VM size in bytes of this section. |
| 0, // Offset of this section in the file. |
| module->size_of_image, // Size of the section as found in the file. |
| 12, // Alignment of the section (log2) |
| 0, // Flags for this section. |
| 1)); // Number of host bytes per target byte |
| section_sp->SetPermissions(ePermissionsExecutable | ePermissionsReadable); |
| GetSectionList()->AddSection(section_sp); |
| target.GetSectionLoadList().SetSectionLoadAddress( |
| section_sp, module->base_of_image); |
| } |
| |
| ObjectFile *GetObjectFile() override { return nullptr; } |
| |
| SectionList *GetSectionList() override { |
| return Module::GetUnifiedSectionList(); |
| } |
| }; |
| |
| ConstString ProcessMinidump::GetPluginNameStatic() { |
| static ConstString g_name("minidump"); |
| return g_name; |
| } |
| |
| const char *ProcessMinidump::GetPluginDescriptionStatic() { |
| return "Minidump plug-in."; |
| } |
| |
| lldb::ProcessSP ProcessMinidump::CreateInstance(lldb::TargetSP target_sp, |
| lldb::ListenerSP listener_sp, |
| const FileSpec *crash_file) { |
| if (!crash_file) |
| return nullptr; |
| |
| lldb::ProcessSP process_sp; |
| // Read enough data for the Minidump header |
| constexpr size_t header_size = sizeof(MinidumpHeader); |
| auto DataPtr = FileSystem::Instance().CreateDataBuffer(crash_file->GetPath(), |
| header_size, 0); |
| if (!DataPtr) |
| return nullptr; |
| |
| lldbassert(DataPtr->GetByteSize() == header_size); |
| |
| // first, only try to parse the header, beacuse we need to be fast |
| llvm::ArrayRef<uint8_t> HeaderBytes = DataPtr->GetData(); |
| const MinidumpHeader *header = MinidumpHeader::Parse(HeaderBytes); |
| if (header == nullptr) |
| return nullptr; |
| |
| auto AllData = |
| FileSystem::Instance().CreateDataBuffer(crash_file->GetPath(), -1, 0); |
| if (!AllData) |
| return nullptr; |
| |
| auto minidump_parser = MinidumpParser::Create(AllData); |
| // check if the parser object is valid |
| if (!minidump_parser) |
| return nullptr; |
| |
| return std::make_shared<ProcessMinidump>(target_sp, listener_sp, *crash_file, |
| minidump_parser.getValue()); |
| } |
| |
| bool ProcessMinidump::CanDebug(lldb::TargetSP target_sp, |
| bool plugin_specified_by_name) { |
| return true; |
| } |
| |
| ProcessMinidump::ProcessMinidump(lldb::TargetSP target_sp, |
| lldb::ListenerSP listener_sp, |
| const FileSpec &core_file, |
| MinidumpParser minidump_parser) |
| : Process(target_sp, listener_sp), m_minidump_parser(minidump_parser), |
| m_core_file(core_file), m_is_wow64(false) {} |
| |
| ProcessMinidump::~ProcessMinidump() { |
| Clear(); |
| // We need to call finalize on the process before destroying ourselves to |
| // make sure all of the broadcaster cleanup goes as planned. If we destruct |
| // this class, then Process::~Process() might have problems trying to fully |
| // destroy the broadcaster. |
| Finalize(); |
| } |
| |
| void ProcessMinidump::Initialize() { |
| static llvm::once_flag g_once_flag; |
| |
| llvm::call_once(g_once_flag, []() { |
| PluginManager::RegisterPlugin(GetPluginNameStatic(), |
| GetPluginDescriptionStatic(), |
| ProcessMinidump::CreateInstance); |
| }); |
| } |
| |
| void ProcessMinidump::Terminate() { |
| PluginManager::UnregisterPlugin(ProcessMinidump::CreateInstance); |
| } |
| |
| Status ProcessMinidump::DoLoadCore() { |
| Status error; |
| |
| // Minidump parser initialization & consistency checks |
| error = m_minidump_parser.Initialize(); |
| if (error.Fail()) |
| return error; |
| |
| // Do we support the minidump's architecture? |
| ArchSpec arch = GetArchitecture(); |
| switch (arch.GetMachine()) { |
| case llvm::Triple::x86: |
| case llvm::Triple::x86_64: |
| case llvm::Triple::arm: |
| case llvm::Triple::aarch64: |
| // Any supported architectures must be listed here and also supported in |
| // ThreadMinidump::CreateRegisterContextForFrame(). |
| break; |
| default: |
| error.SetErrorStringWithFormat("unsupported minidump architecture: %s", |
| arch.GetArchitectureName()); |
| return error; |
| } |
| GetTarget().SetArchitecture(arch, true /*set_platform*/); |
| |
| m_thread_list = m_minidump_parser.GetThreads(); |
| m_active_exception = m_minidump_parser.GetExceptionStream(); |
| ReadModuleList(); |
| |
| llvm::Optional<lldb::pid_t> pid = m_minidump_parser.GetPid(); |
| if (!pid) { |
| error.SetErrorString("failed to parse PID"); |
| return error; |
| } |
| SetID(pid.getValue()); |
| |
| return error; |
| } |
| |
| ConstString ProcessMinidump::GetPluginName() { return GetPluginNameStatic(); } |
| |
| uint32_t ProcessMinidump::GetPluginVersion() { return 1; } |
| |
| Status ProcessMinidump::DoDestroy() { return Status(); } |
| |
| void ProcessMinidump::RefreshStateAfterStop() { |
| if (!m_active_exception) |
| return; |
| |
| if (m_active_exception->exception_record.exception_code == |
| MinidumpException::DumpRequested) { |
| return; |
| } |
| |
| lldb::StopInfoSP stop_info; |
| lldb::ThreadSP stop_thread; |
| |
| Process::m_thread_list.SetSelectedThreadByID(m_active_exception->thread_id); |
| stop_thread = Process::m_thread_list.GetSelectedThread(); |
| ArchSpec arch = GetArchitecture(); |
| |
| if (arch.GetTriple().getOS() == llvm::Triple::Linux) { |
| stop_info = StopInfo::CreateStopReasonWithSignal( |
| *stop_thread, m_active_exception->exception_record.exception_code); |
| } else if (arch.GetTriple().getVendor() == llvm::Triple::Apple) { |
| stop_info = StopInfoMachException::CreateStopReasonWithMachException( |
| *stop_thread, m_active_exception->exception_record.exception_code, 2, |
| m_active_exception->exception_record.exception_flags, |
| m_active_exception->exception_record.exception_address, 0); |
| } else { |
| std::string desc; |
| llvm::raw_string_ostream desc_stream(desc); |
| desc_stream << "Exception " |
| << llvm::format_hex( |
| m_active_exception->exception_record.exception_code, 8) |
| << " encountered at address " |
| << llvm::format_hex( |
| m_active_exception->exception_record.exception_address, |
| 8); |
| stop_info = StopInfo::CreateStopReasonWithException( |
| *stop_thread, desc_stream.str().c_str()); |
| } |
| |
| stop_thread->SetStopInfo(stop_info); |
| } |
| |
| bool ProcessMinidump::IsAlive() { return true; } |
| |
| bool ProcessMinidump::WarnBeforeDetach() const { return false; } |
| |
| size_t ProcessMinidump::ReadMemory(lldb::addr_t addr, void *buf, size_t size, |
| Status &error) { |
| // Don't allow the caching that lldb_private::Process::ReadMemory does since |
| // we have it all cached in our dump file anyway. |
| return DoReadMemory(addr, buf, size, error); |
| } |
| |
| size_t ProcessMinidump::DoReadMemory(lldb::addr_t addr, void *buf, size_t size, |
| Status &error) { |
| |
| llvm::ArrayRef<uint8_t> mem = m_minidump_parser.GetMemory(addr, size); |
| if (mem.empty()) { |
| error.SetErrorString("could not parse memory info"); |
| return 0; |
| } |
| |
| std::memcpy(buf, mem.data(), mem.size()); |
| return mem.size(); |
| } |
| |
| ArchSpec ProcessMinidump::GetArchitecture() { |
| if (!m_is_wow64) { |
| return m_minidump_parser.GetArchitecture(); |
| } |
| |
| llvm::Triple triple; |
| triple.setVendor(llvm::Triple::VendorType::UnknownVendor); |
| triple.setArch(llvm::Triple::ArchType::x86); |
| triple.setOS(llvm::Triple::OSType::Win32); |
| return ArchSpec(triple); |
| } |
| |
| Status ProcessMinidump::GetMemoryRegionInfo(lldb::addr_t load_addr, |
| MemoryRegionInfo &range_info) { |
| range_info = m_minidump_parser.GetMemoryRegionInfo(load_addr); |
| return Status(); |
| } |
| |
| Status ProcessMinidump::GetMemoryRegions( |
| lldb_private::MemoryRegionInfos ®ion_list) { |
| region_list = m_minidump_parser.GetMemoryRegions(); |
| return Status(); |
| } |
| |
| void ProcessMinidump::Clear() { Process::m_thread_list.Clear(); } |
| |
| bool ProcessMinidump::UpdateThreadList(ThreadList &old_thread_list, |
| ThreadList &new_thread_list) { |
| for (const MinidumpThread& thread : m_thread_list) { |
| MinidumpLocationDescriptor context_location = thread.thread_context; |
| |
| // If the minidump contains an exception context, use it |
| if (m_active_exception != nullptr && |
| m_active_exception->thread_id == thread.thread_id) { |
| context_location = m_active_exception->thread_context; |
| } |
| |
| llvm::ArrayRef<uint8_t> context; |
| if (!m_is_wow64) |
| context = m_minidump_parser.GetThreadContext(context_location); |
| else |
| context = m_minidump_parser.GetThreadContextWow64(thread); |
| |
| lldb::ThreadSP thread_sp(new ThreadMinidump(*this, thread, context)); |
| new_thread_list.AddThread(thread_sp); |
| } |
| return new_thread_list.GetSize(false) > 0; |
| } |
| |
| void ProcessMinidump::ReadModuleList() { |
| std::vector<const MinidumpModule *> filtered_modules = |
| m_minidump_parser.GetFilteredModuleList(); |
| |
| for (auto module : filtered_modules) { |
| llvm::Optional<std::string> name = |
| m_minidump_parser.GetMinidumpString(module->module_name_rva); |
| |
| if (!name) |
| continue; |
| |
| Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_MODULES)); |
| if (log) { |
| log->Printf("ProcessMinidump::%s found module: name: %s %#010" PRIx64 |
| "-%#010" PRIx64 " size: %" PRIu32, |
| __FUNCTION__, name.getValue().c_str(), |
| uint64_t(module->base_of_image), |
| module->base_of_image + module->size_of_image, |
| uint32_t(module->size_of_image)); |
| } |
| |
| // check if the process is wow64 - a 32 bit windows process running on a |
| // 64 bit windows |
| if (llvm::StringRef(name.getValue()).endswith_lower("wow64.dll")) { |
| m_is_wow64 = true; |
| } |
| |
| const auto uuid = m_minidump_parser.GetModuleUUID(module); |
| auto file_spec = FileSpec(name.getValue(), GetArchitecture().GetTriple()); |
| FileSystem::Instance().Resolve(file_spec); |
| ModuleSpec module_spec(file_spec, uuid); |
| Status error; |
| lldb::ModuleSP module_sp = GetTarget().GetSharedModule(module_spec, &error); |
| if (!module_sp || error.Fail()) { |
| // We failed to locate a matching local object file. Fortunately, the |
| // minidump format encodes enough information about each module's memory |
| // range to allow us to create placeholder modules. |
| // |
| // This enables most LLDB functionality involving address-to-module |
| // translations (ex. identifing the module for a stack frame PC) and |
| // modules/sections commands (ex. target modules list, ...) |
| if (log) { |
| log->Printf("Unable to locate the matching object file, creating a " |
| "placeholder module for: %s", |
| name.getValue().c_str()); |
| } |
| |
| auto placeholder_module = |
| std::make_shared<PlaceholderModule>(module_spec); |
| placeholder_module->CreateImageSection(module, GetTarget()); |
| module_sp = placeholder_module; |
| GetTarget().GetImages().Append(module_sp); |
| } |
| |
| if (log) { |
| log->Printf("ProcessMinidump::%s load module: name: %s", __FUNCTION__, |
| name.getValue().c_str()); |
| } |
| |
| bool load_addr_changed = false; |
| module_sp->SetLoadAddress(GetTarget(), module->base_of_image, false, |
| load_addr_changed); |
| } |
| } |
| |
| bool ProcessMinidump::GetProcessInfo(ProcessInstanceInfo &info) { |
| info.Clear(); |
| info.SetProcessID(GetID()); |
| info.SetArchitecture(GetArchitecture()); |
| lldb::ModuleSP module_sp = GetTarget().GetExecutableModule(); |
| if (module_sp) { |
| const bool add_exe_file_as_first_arg = false; |
| info.SetExecutableFile(GetTarget().GetExecutableModule()->GetFileSpec(), |
| add_exe_file_as_first_arg); |
| } |
| return true; |
| } |
| |
| // For minidumps there's no runtime generated code so we don't need JITLoader(s) |
| // Avoiding them will also speed up minidump loading since JITLoaders normally |
| // try to set up symbolic breakpoints, which in turn may force loading more |
| // debug information than needed. |
| JITLoaderList &ProcessMinidump::GetJITLoaders() { |
| if (!m_jit_loaders_up) { |
| m_jit_loaders_up = llvm::make_unique<JITLoaderList>(); |
| } |
| return *m_jit_loaders_up; |
| } |
| |
| #define INIT_BOOL(VAR, LONG, SHORT, DESC) \ |
| VAR(LLDB_OPT_SET_1, false, LONG, SHORT, DESC, false, true) |
| #define APPEND_OPT(VAR) \ |
| m_option_group.Append(&VAR, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1) |
| |
| class CommandObjectProcessMinidumpDump : public CommandObjectParsed { |
| private: |
| OptionGroupOptions m_option_group; |
| OptionGroupBoolean m_dump_all; |
| OptionGroupBoolean m_dump_directory; |
| OptionGroupBoolean m_dump_linux_cpuinfo; |
| OptionGroupBoolean m_dump_linux_proc_status; |
| OptionGroupBoolean m_dump_linux_lsb_release; |
| OptionGroupBoolean m_dump_linux_cmdline; |
| OptionGroupBoolean m_dump_linux_environ; |
| OptionGroupBoolean m_dump_linux_auxv; |
| OptionGroupBoolean m_dump_linux_maps; |
| OptionGroupBoolean m_dump_linux_proc_stat; |
| OptionGroupBoolean m_dump_linux_proc_uptime; |
| OptionGroupBoolean m_dump_linux_proc_fd; |
| OptionGroupBoolean m_dump_linux_all; |
| |
| void SetDefaultOptionsIfNoneAreSet() { |
| if (m_dump_all.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_all.GetOptionValue().GetCurrentValue() || |
| m_dump_directory.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_proc_status.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_cmdline.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_environ.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_auxv.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_maps.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue() || |
| m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue()) |
| return; |
| // If no options were set, then dump everything |
| m_dump_all.GetOptionValue().SetCurrentValue(true); |
| } |
| bool DumpAll() const { |
| return m_dump_all.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpDirectory() const { |
| return DumpAll() || |
| m_dump_directory.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinux() const { |
| return DumpAll() || m_dump_linux_all.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxCPUInfo() const { |
| return DumpLinux() || |
| m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxProcStatus() const { |
| return DumpLinux() || |
| m_dump_linux_proc_status.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxProcStat() const { |
| return DumpLinux() || |
| m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxLSBRelease() const { |
| return DumpLinux() || |
| m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxCMDLine() const { |
| return DumpLinux() || |
| m_dump_linux_cmdline.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxEnviron() const { |
| return DumpLinux() || |
| m_dump_linux_environ.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxAuxv() const { |
| return DumpLinux() || |
| m_dump_linux_auxv.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxMaps() const { |
| return DumpLinux() || |
| m_dump_linux_maps.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxProcUptime() const { |
| return DumpLinux() || |
| m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue(); |
| } |
| bool DumpLinuxProcFD() const { |
| return DumpLinux() || |
| m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue(); |
| } |
| public: |
| |
| CommandObjectProcessMinidumpDump(CommandInterpreter &interpreter) |
| : CommandObjectParsed(interpreter, "process plugin dump", |
| "Dump information from the minidump file.", NULL), |
| m_option_group(), |
| INIT_BOOL(m_dump_all, "all", 'a', |
| "Dump the everything in the minidump."), |
| INIT_BOOL(m_dump_directory, "directory", 'd', |
| "Dump the minidump directory map."), |
| INIT_BOOL(m_dump_linux_cpuinfo, "cpuinfo", 'C', |
| "Dump linux /proc/cpuinfo."), |
| INIT_BOOL(m_dump_linux_proc_status, "status", 's', |
| "Dump linux /proc/<pid>/status."), |
| INIT_BOOL(m_dump_linux_lsb_release, "lsb-release", 'r', |
| "Dump linux /etc/lsb-release."), |
| INIT_BOOL(m_dump_linux_cmdline, "cmdline", 'c', |
| "Dump linux /proc/<pid>/cmdline."), |
| INIT_BOOL(m_dump_linux_environ, "environ", 'e', |
| "Dump linux /proc/<pid>/environ."), |
| INIT_BOOL(m_dump_linux_auxv, "auxv", 'x', |
| "Dump linux /proc/<pid>/auxv."), |
| INIT_BOOL(m_dump_linux_maps, "maps", 'm', |
| "Dump linux /proc/<pid>/maps."), |
| INIT_BOOL(m_dump_linux_proc_stat, "stat", 'S', |
| "Dump linux /proc/<pid>/stat."), |
| INIT_BOOL(m_dump_linux_proc_uptime, "uptime", 'u', |
| "Dump linux process uptime."), |
| INIT_BOOL(m_dump_linux_proc_fd, "fd", 'f', |
| "Dump linux /proc/<pid>/fd."), |
| INIT_BOOL(m_dump_linux_all, "linux", 'l', |
| "Dump all linux streams.") { |
| APPEND_OPT(m_dump_all); |
| APPEND_OPT(m_dump_directory); |
| APPEND_OPT(m_dump_linux_cpuinfo); |
| APPEND_OPT(m_dump_linux_proc_status); |
| APPEND_OPT(m_dump_linux_lsb_release); |
| APPEND_OPT(m_dump_linux_cmdline); |
| APPEND_OPT(m_dump_linux_environ); |
| APPEND_OPT(m_dump_linux_auxv); |
| APPEND_OPT(m_dump_linux_maps); |
| APPEND_OPT(m_dump_linux_proc_stat); |
| APPEND_OPT(m_dump_linux_proc_uptime); |
| APPEND_OPT(m_dump_linux_proc_fd); |
| APPEND_OPT(m_dump_linux_all); |
| m_option_group.Finalize(); |
| } |
| |
| ~CommandObjectProcessMinidumpDump() {} |
| |
| Options *GetOptions() override { return &m_option_group; } |
| |
| bool DoExecute(Args &command, CommandReturnObject &result) override { |
| const size_t argc = command.GetArgumentCount(); |
| if (argc > 0) { |
| result.AppendErrorWithFormat("'%s' take no arguments, only options", |
| m_cmd_name.c_str()); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| SetDefaultOptionsIfNoneAreSet(); |
| |
| ProcessMinidump *process = static_cast<ProcessMinidump *>( |
| m_interpreter.GetExecutionContext().GetProcessPtr()); |
| result.SetStatus(eReturnStatusSuccessFinishResult); |
| Stream &s = result.GetOutputStream(); |
| MinidumpParser &minidump = process->m_minidump_parser; |
| if (DumpDirectory()) { |
| s.Printf("RVA SIZE TYPE MinidumpStreamType\n"); |
| s.Printf("---------- ---------- ---------- --------------------------\n"); |
| for (const auto &pair: minidump.GetDirectoryMap()) |
| s.Printf("0x%8.8x 0x%8.8x 0x%8.8x %s\n", (uint32_t)pair.second.rva, |
| (uint32_t)pair.second.data_size, pair.first, |
| MinidumpParser::GetStreamTypeAsString(pair.first).data()); |
| s.Printf("\n"); |
| } |
| auto DumpTextStream = [&](MinidumpStreamType stream_type, |
| llvm::StringRef label) -> void { |
| auto bytes = minidump.GetStream(stream_type); |
| if (!bytes.empty()) { |
| if (label.empty()) |
| label = MinidumpParser::GetStreamTypeAsString((uint32_t)stream_type); |
| s.Printf("%s:\n%s\n\n", label.data(), bytes.data()); |
| } |
| }; |
| auto DumpBinaryStream = [&](MinidumpStreamType stream_type, |
| llvm::StringRef label) -> void { |
| auto bytes = minidump.GetStream(stream_type); |
| if (!bytes.empty()) { |
| if (label.empty()) |
| label = MinidumpParser::GetStreamTypeAsString((uint32_t)stream_type); |
| s.Printf("%s:\n", label.data()); |
| DataExtractor data(bytes.data(), bytes.size(), eByteOrderLittle, |
| process->GetAddressByteSize()); |
| DumpDataExtractor(data, &s, 0, lldb::eFormatBytesWithASCII, 1, |
| bytes.size(), 16, 0, 0, 0); |
| s.Printf("\n\n"); |
| } |
| }; |
| |
| if (DumpLinuxCPUInfo()) |
| DumpTextStream(MinidumpStreamType::LinuxCPUInfo, "/proc/cpuinfo"); |
| if (DumpLinuxProcStatus()) |
| DumpTextStream(MinidumpStreamType::LinuxProcStatus, "/proc/PID/status"); |
| if (DumpLinuxLSBRelease()) |
| DumpTextStream(MinidumpStreamType::LinuxLSBRelease, "/etc/lsb-release"); |
| if (DumpLinuxCMDLine()) |
| DumpTextStream(MinidumpStreamType::LinuxCMDLine, "/proc/PID/cmdline"); |
| if (DumpLinuxEnviron()) |
| DumpTextStream(MinidumpStreamType::LinuxEnviron, "/proc/PID/environ"); |
| if (DumpLinuxAuxv()) |
| DumpBinaryStream(MinidumpStreamType::LinuxAuxv, "/proc/PID/auxv"); |
| if (DumpLinuxMaps()) |
| DumpTextStream(MinidumpStreamType::LinuxMaps, "/proc/PID/maps"); |
| if (DumpLinuxProcStat()) |
| DumpTextStream(MinidumpStreamType::LinuxProcStat, "/proc/PID/stat"); |
| if (DumpLinuxProcUptime()) |
| DumpTextStream(MinidumpStreamType::LinuxProcUptime, "uptime"); |
| if (DumpLinuxProcFD()) |
| DumpTextStream(MinidumpStreamType::LinuxProcFD, "/proc/PID/fd"); |
| return true; |
| } |
| }; |
| |
| class CommandObjectMultiwordProcessMinidump : public CommandObjectMultiword { |
| public: |
| CommandObjectMultiwordProcessMinidump(CommandInterpreter &interpreter) |
| : CommandObjectMultiword(interpreter, "process plugin", |
| "Commands for operating on a ProcessMinidump process.", |
| "process plugin <subcommand> [<subcommand-options>]") { |
| LoadSubCommand("dump", |
| CommandObjectSP(new CommandObjectProcessMinidumpDump(interpreter))); |
| } |
| |
| ~CommandObjectMultiwordProcessMinidump() {} |
| }; |
| |
| CommandObject *ProcessMinidump::GetPluginCommandObject() { |
| if (!m_command_sp) |
| m_command_sp = std::make_shared<CommandObjectMultiwordProcessMinidump>( |
| GetTarget().GetDebugger().GetCommandInterpreter()); |
| return m_command_sp.get(); |
| } |
