| //===-- Module.cpp ----------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/lldb-python.h" |
| |
| #include "lldb/Core/AddressResolverFileLine.h" |
| #include "lldb/Core/Error.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/DataBuffer.h" |
| #include "lldb/Core/DataBufferHeap.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/RegularExpression.h" |
| #include "lldb/Core/Section.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Core/Timer.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/Symbols.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/ScriptInterpreter.h" |
| #include "lldb/lldb-private-log.h" |
| #include "lldb/Symbol/CompileUnit.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| #include "lldb/Symbol/SymbolVendor.h" |
| #include "lldb/Target/CPPLanguageRuntime.h" |
| #include "lldb/Target/ObjCLanguageRuntime.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Symbol/SymbolFile.h" |
| |
| #include "Plugins/ObjectFile/JIT/ObjectFileJIT.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| // Shared pointers to modules track module lifetimes in |
| // targets and in the global module, but this collection |
| // will track all module objects that are still alive |
| typedef std::vector<Module *> ModuleCollection; |
| |
| static ModuleCollection & |
| GetModuleCollection() |
| { |
| // This module collection needs to live past any module, so we could either make it a |
| // shared pointer in each module or just leak is. Since it is only an empty vector by |
| // the time all the modules have gone away, we just leak it for now. If we decide this |
| // is a big problem we can introduce a Finalize method that will tear everything down in |
| // a predictable order. |
| |
| static ModuleCollection *g_module_collection = NULL; |
| if (g_module_collection == NULL) |
| g_module_collection = new ModuleCollection(); |
| |
| return *g_module_collection; |
| } |
| |
| Mutex * |
| Module::GetAllocationModuleCollectionMutex() |
| { |
| // NOTE: The mutex below must be leaked since the global module list in |
| // the ModuleList class will get torn at some point, and we can't know |
| // if it will tear itself down before the "g_module_collection_mutex" below |
| // will. So we leak a Mutex object below to safeguard against that |
| |
| static Mutex *g_module_collection_mutex = NULL; |
| if (g_module_collection_mutex == NULL) |
| g_module_collection_mutex = new Mutex (Mutex::eMutexTypeRecursive); // NOTE: known leak |
| return g_module_collection_mutex; |
| } |
| |
| size_t |
| Module::GetNumberAllocatedModules () |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| return GetModuleCollection().size(); |
| } |
| |
| Module * |
| Module::GetAllocatedModuleAtIndex (size_t idx) |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| ModuleCollection &modules = GetModuleCollection(); |
| if (idx < modules.size()) |
| return modules[idx]; |
| return NULL; |
| } |
| #if 0 |
| |
| // These functions help us to determine if modules are still loaded, yet don't require that |
| // you have a command interpreter and can easily be called from an external debugger. |
| namespace lldb { |
| |
| void |
| ClearModuleInfo (void) |
| { |
| const bool mandatory = true; |
| ModuleList::RemoveOrphanSharedModules(mandatory); |
| } |
| |
| void |
| DumpModuleInfo (void) |
| { |
| Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex()); |
| ModuleCollection &modules = GetModuleCollection(); |
| const size_t count = modules.size(); |
| printf ("%s: %" PRIu64 " modules:\n", __PRETTY_FUNCTION__, (uint64_t)count); |
| for (size_t i=0; i<count; ++i) |
| { |
| |
| StreamString strm; |
| Module *module = modules[i]; |
| const bool in_shared_module_list = ModuleList::ModuleIsInCache (module); |
| module->GetDescription(&strm, eDescriptionLevelFull); |
| printf ("%p: shared = %i, ref_count = %3u, module = %s\n", |
| module, |
| in_shared_module_list, |
| (uint32_t)module->use_count(), |
| strm.GetString().c_str()); |
| } |
| } |
| } |
| |
| #endif |
| |
| Module::Module (const ModuleSpec &module_spec) : |
| m_mutex (Mutex::eMutexTypeRecursive), |
| m_mod_time (), |
| m_arch (), |
| m_uuid (), |
| m_file (), |
| m_platform_file(), |
| m_remote_install_file(), |
| m_symfile_spec (), |
| m_object_name (), |
| m_object_offset (), |
| m_object_mod_time (), |
| m_objfile_sp (), |
| m_symfile_ap (), |
| m_ast (), |
| m_source_mappings (), |
| m_sections_ap(), |
| m_did_load_objfile (false), |
| m_did_load_symbol_vendor (false), |
| m_did_parse_uuid (false), |
| m_did_init_ast (false), |
| m_is_dynamic_loader_module (false), |
| m_file_has_changed (false), |
| m_first_file_changed_log (false) |
| { |
| // Scope for locker below... |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| GetModuleCollection().push_back(this); |
| } |
| |
| Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); |
| if (log) |
| log->Printf ("%p Module::Module((%s) '%s%s%s%s')", |
| static_cast<void*>(this), |
| module_spec.GetArchitecture().GetArchitectureName(), |
| module_spec.GetFileSpec().GetPath().c_str(), |
| module_spec.GetObjectName().IsEmpty() ? "" : "(", |
| module_spec.GetObjectName().IsEmpty() ? "" : module_spec.GetObjectName().AsCString(""), |
| module_spec.GetObjectName().IsEmpty() ? "" : ")"); |
| |
| // First extract all module specifications from the file using the local |
| // file path. If there are no specifications, then don't fill anything in |
| ModuleSpecList modules_specs; |
| if (ObjectFile::GetModuleSpecifications(module_spec.GetFileSpec(), 0, 0, modules_specs) == 0) |
| return; |
| |
| // Now make sure that one of the module specifications matches what we just |
| // extract. We might have a module specification that specifies a file "/usr/lib/dyld" |
| // with UUID XXX, but we might have a local version of "/usr/lib/dyld" that has |
| // UUID YYY and we don't want those to match. If they don't match, just don't |
| // fill any ivars in so we don't accidentally grab the wrong file later since |
| // they don't match... |
| ModuleSpec matching_module_spec; |
| if (modules_specs.FindMatchingModuleSpec(module_spec, matching_module_spec) == 0) |
| return; |
| |
| if (module_spec.GetFileSpec()) |
| m_mod_time = module_spec.GetFileSpec().GetModificationTime(); |
| else if (matching_module_spec.GetFileSpec()) |
| m_mod_time = matching_module_spec.GetFileSpec().GetModificationTime(); |
| |
| // Copy the architecture from the actual spec if we got one back, else use the one that was specified |
| if (matching_module_spec.GetArchitecture().IsValid()) |
| m_arch = matching_module_spec.GetArchitecture(); |
| else if (module_spec.GetArchitecture().IsValid()) |
| m_arch = module_spec.GetArchitecture(); |
| |
| // Copy the file spec over and use the specified one (if there was one) so we |
| // don't use a path that might have gotten resolved a path in 'matching_module_spec' |
| if (module_spec.GetFileSpec()) |
| m_file = module_spec.GetFileSpec(); |
| else if (matching_module_spec.GetFileSpec()) |
| m_file = matching_module_spec.GetFileSpec(); |
| |
| // Copy the platform file spec over |
| if (module_spec.GetPlatformFileSpec()) |
| m_platform_file = module_spec.GetPlatformFileSpec(); |
| else if (matching_module_spec.GetPlatformFileSpec()) |
| m_platform_file = matching_module_spec.GetPlatformFileSpec(); |
| |
| // Copy the symbol file spec over |
| if (module_spec.GetSymbolFileSpec()) |
| m_symfile_spec = module_spec.GetSymbolFileSpec(); |
| else if (matching_module_spec.GetSymbolFileSpec()) |
| m_symfile_spec = matching_module_spec.GetSymbolFileSpec(); |
| |
| // Copy the object name over |
| if (matching_module_spec.GetObjectName()) |
| m_object_name = matching_module_spec.GetObjectName(); |
| else |
| m_object_name = module_spec.GetObjectName(); |
| |
| // Always trust the object offset (file offset) and object modification |
| // time (for mod time in a BSD static archive) of from the matching |
| // module specification |
| m_object_offset = matching_module_spec.GetObjectOffset(); |
| m_object_mod_time = matching_module_spec.GetObjectModificationTime(); |
| |
| } |
| |
| Module::Module(const FileSpec& file_spec, |
| const ArchSpec& arch, |
| const ConstString *object_name, |
| lldb::offset_t object_offset, |
| const TimeValue *object_mod_time_ptr) : |
| m_mutex (Mutex::eMutexTypeRecursive), |
| m_mod_time (file_spec.GetModificationTime()), |
| m_arch (arch), |
| m_uuid (), |
| m_file (file_spec), |
| m_platform_file(), |
| m_remote_install_file (), |
| m_symfile_spec (), |
| m_object_name (), |
| m_object_offset (object_offset), |
| m_object_mod_time (), |
| m_objfile_sp (), |
| m_symfile_ap (), |
| m_ast (), |
| m_source_mappings (), |
| m_sections_ap(), |
| m_did_load_objfile (false), |
| m_did_load_symbol_vendor (false), |
| m_did_parse_uuid (false), |
| m_did_init_ast (false), |
| m_is_dynamic_loader_module (false), |
| m_file_has_changed (false), |
| m_first_file_changed_log (false) |
| { |
| // Scope for locker below... |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| GetModuleCollection().push_back(this); |
| } |
| |
| if (object_name) |
| m_object_name = *object_name; |
| |
| if (object_mod_time_ptr) |
| m_object_mod_time = *object_mod_time_ptr; |
| |
| Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); |
| if (log) |
| log->Printf ("%p Module::Module((%s) '%s%s%s%s')", |
| static_cast<void*>(this), m_arch.GetArchitectureName(), |
| m_file.GetPath().c_str(), |
| m_object_name.IsEmpty() ? "" : "(", |
| m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), |
| m_object_name.IsEmpty() ? "" : ")"); |
| } |
| |
| Module::Module () : |
| m_mutex (Mutex::eMutexTypeRecursive), |
| m_mod_time (), |
| m_arch (), |
| m_uuid (), |
| m_file (), |
| m_platform_file(), |
| m_remote_install_file (), |
| m_symfile_spec (), |
| m_object_name (), |
| m_object_offset (0), |
| m_object_mod_time (), |
| m_objfile_sp (), |
| m_symfile_ap (), |
| m_ast (), |
| m_source_mappings (), |
| m_sections_ap(), |
| m_did_load_objfile (false), |
| m_did_load_symbol_vendor (false), |
| m_did_parse_uuid (false), |
| m_did_init_ast (false), |
| m_is_dynamic_loader_module (false), |
| m_file_has_changed (false), |
| m_first_file_changed_log (false) |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| GetModuleCollection().push_back(this); |
| } |
| |
| Module::~Module() |
| { |
| // Lock our module down while we tear everything down to make sure |
| // we don't get any access to the module while it is being destroyed |
| Mutex::Locker locker (m_mutex); |
| // Scope for locker below... |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| ModuleCollection &modules = GetModuleCollection(); |
| ModuleCollection::iterator end = modules.end(); |
| ModuleCollection::iterator pos = std::find(modules.begin(), end, this); |
| assert (pos != end); |
| modules.erase(pos); |
| } |
| Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); |
| if (log) |
| log->Printf ("%p Module::~Module((%s) '%s%s%s%s')", |
| static_cast<void*>(this), |
| m_arch.GetArchitectureName(), |
| m_file.GetPath().c_str(), |
| m_object_name.IsEmpty() ? "" : "(", |
| m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), |
| m_object_name.IsEmpty() ? "" : ")"); |
| // Release any auto pointers before we start tearing down our member |
| // variables since the object file and symbol files might need to make |
| // function calls back into this module object. The ordering is important |
| // here because symbol files can require the module object file. So we tear |
| // down the symbol file first, then the object file. |
| m_sections_ap.reset(); |
| m_symfile_ap.reset(); |
| m_objfile_sp.reset(); |
| } |
| |
| ObjectFile * |
| Module::GetMemoryObjectFile (const lldb::ProcessSP &process_sp, lldb::addr_t header_addr, Error &error, size_t size_to_read) |
| { |
| if (m_objfile_sp) |
| { |
| error.SetErrorString ("object file already exists"); |
| } |
| else |
| { |
| Mutex::Locker locker (m_mutex); |
| if (process_sp) |
| { |
| m_did_load_objfile = true; |
| std::unique_ptr<DataBufferHeap> data_ap (new DataBufferHeap (size_to_read, 0)); |
| Error readmem_error; |
| const size_t bytes_read = process_sp->ReadMemory (header_addr, |
| data_ap->GetBytes(), |
| data_ap->GetByteSize(), |
| readmem_error); |
| if (bytes_read == size_to_read) |
| { |
| DataBufferSP data_sp(data_ap.release()); |
| m_objfile_sp = ObjectFile::FindPlugin(shared_from_this(), process_sp, header_addr, data_sp); |
| if (m_objfile_sp) |
| { |
| StreamString s; |
| s.Printf("0x%16.16" PRIx64, header_addr); |
| m_object_name.SetCString (s.GetData()); |
| |
| // Once we get the object file, update our module with the object file's |
| // architecture since it might differ in vendor/os if some parts were |
| // unknown. |
| m_objfile_sp->GetArchitecture (m_arch); |
| } |
| else |
| { |
| error.SetErrorString ("unable to find suitable object file plug-in"); |
| } |
| } |
| else |
| { |
| error.SetErrorStringWithFormat ("unable to read header from memory: %s", readmem_error.AsCString()); |
| } |
| } |
| else |
| { |
| error.SetErrorString ("invalid process"); |
| } |
| } |
| return m_objfile_sp.get(); |
| } |
| |
| |
| const lldb_private::UUID& |
| Module::GetUUID() |
| { |
| Mutex::Locker locker (m_mutex); |
| if (m_did_parse_uuid == false) |
| { |
| ObjectFile * obj_file = GetObjectFile (); |
| |
| if (obj_file != NULL) |
| { |
| obj_file->GetUUID(&m_uuid); |
| m_did_parse_uuid = true; |
| } |
| } |
| return m_uuid; |
| } |
| |
| ClangASTContext & |
| Module::GetClangASTContext () |
| { |
| Mutex::Locker locker (m_mutex); |
| if (m_did_init_ast == false) |
| { |
| ObjectFile * objfile = GetObjectFile(); |
| ArchSpec object_arch; |
| if (objfile && objfile->GetArchitecture(object_arch)) |
| { |
| m_did_init_ast = true; |
| |
| // LLVM wants this to be set to iOS or MacOSX; if we're working on |
| // a bare-boards type image, change the triple for llvm's benefit. |
| if (object_arch.GetTriple().getVendor() == llvm::Triple::Apple |
| && object_arch.GetTriple().getOS() == llvm::Triple::UnknownOS) |
| { |
| if (object_arch.GetTriple().getArch() == llvm::Triple::arm || |
| object_arch.GetTriple().getArch() == llvm::Triple::arm64 || |
| object_arch.GetTriple().getArch() == llvm::Triple::thumb) |
| { |
| object_arch.GetTriple().setOS(llvm::Triple::IOS); |
| } |
| else |
| { |
| object_arch.GetTriple().setOS(llvm::Triple::MacOSX); |
| } |
| } |
| m_ast.SetArchitecture (object_arch); |
| } |
| } |
| return m_ast; |
| } |
| |
| void |
| Module::ParseAllDebugSymbols() |
| { |
| Mutex::Locker locker (m_mutex); |
| size_t num_comp_units = GetNumCompileUnits(); |
| if (num_comp_units == 0) |
| return; |
| |
| SymbolContext sc; |
| sc.module_sp = shared_from_this(); |
| SymbolVendor *symbols = GetSymbolVendor (); |
| |
| for (size_t cu_idx = 0; cu_idx < num_comp_units; cu_idx++) |
| { |
| sc.comp_unit = symbols->GetCompileUnitAtIndex(cu_idx).get(); |
| if (sc.comp_unit) |
| { |
| sc.function = NULL; |
| symbols->ParseVariablesForContext(sc); |
| |
| symbols->ParseCompileUnitFunctions(sc); |
| |
| for (size_t func_idx = 0; (sc.function = sc.comp_unit->GetFunctionAtIndex(func_idx).get()) != NULL; ++func_idx) |
| { |
| symbols->ParseFunctionBlocks(sc); |
| |
| // Parse the variables for this function and all its blocks |
| symbols->ParseVariablesForContext(sc); |
| } |
| |
| |
| // Parse all types for this compile unit |
| sc.function = NULL; |
| symbols->ParseTypes(sc); |
| } |
| } |
| } |
| |
| void |
| Module::CalculateSymbolContext(SymbolContext* sc) |
| { |
| sc->module_sp = shared_from_this(); |
| } |
| |
| ModuleSP |
| Module::CalculateSymbolContextModule () |
| { |
| return shared_from_this(); |
| } |
| |
| void |
| Module::DumpSymbolContext(Stream *s) |
| { |
| s->Printf(", Module{%p}", static_cast<void*>(this)); |
| } |
| |
| size_t |
| Module::GetNumCompileUnits() |
| { |
| Mutex::Locker locker (m_mutex); |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::GetNumCompileUnits (module = %p)", |
| static_cast<void*>(this)); |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->GetNumCompileUnits(); |
| return 0; |
| } |
| |
| CompUnitSP |
| Module::GetCompileUnitAtIndex (size_t index) |
| { |
| Mutex::Locker locker (m_mutex); |
| size_t num_comp_units = GetNumCompileUnits (); |
| CompUnitSP cu_sp; |
| |
| if (index < num_comp_units) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| cu_sp = symbols->GetCompileUnitAtIndex(index); |
| } |
| return cu_sp; |
| } |
| |
| bool |
| Module::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr) |
| { |
| Mutex::Locker locker (m_mutex); |
| Timer scoped_timer(__PRETTY_FUNCTION__, "Module::ResolveFileAddress (vm_addr = 0x%" PRIx64 ")", vm_addr); |
| SectionList *section_list = GetSectionList(); |
| if (section_list) |
| return so_addr.ResolveAddressUsingFileSections(vm_addr, section_list); |
| return false; |
| } |
| |
| uint32_t |
| Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc, |
| bool resolve_tail_call_address) |
| { |
| Mutex::Locker locker (m_mutex); |
| uint32_t resolved_flags = 0; |
| |
| // Clear the result symbol context in case we don't find anything, but don't clear the target |
| sc.Clear(false); |
| |
| // Get the section from the section/offset address. |
| SectionSP section_sp (so_addr.GetSection()); |
| |
| // Make sure the section matches this module before we try and match anything |
| if (section_sp && section_sp->GetModule().get() == this) |
| { |
| // If the section offset based address resolved itself, then this |
| // is the right module. |
| sc.module_sp = shared_from_this(); |
| resolved_flags |= eSymbolContextModule; |
| |
| SymbolVendor* sym_vendor = GetSymbolVendor(); |
| if (!sym_vendor) |
| return resolved_flags; |
| |
| // Resolve the compile unit, function, block, line table or line |
| // entry if requested. |
| if (resolve_scope & eSymbolContextCompUnit || |
| resolve_scope & eSymbolContextFunction || |
| resolve_scope & eSymbolContextBlock || |
| resolve_scope & eSymbolContextLineEntry ) |
| { |
| resolved_flags |= sym_vendor->ResolveSymbolContext (so_addr, resolve_scope, sc); |
| } |
| |
| // Resolve the symbol if requested, but don't re-look it up if we've already found it. |
| if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol)) |
| { |
| Symtab *symtab = sym_vendor->GetSymtab(); |
| if (symtab && so_addr.IsSectionOffset()) |
| { |
| sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress()); |
| if (!sc.symbol && |
| resolve_scope & eSymbolContextFunction && !(resolved_flags & eSymbolContextFunction)) |
| { |
| bool verify_unique = false; // No need to check again since ResolveSymbolContext failed to find a symbol at this address. |
| if (ObjectFile *obj_file = sc.module_sp->GetObjectFile()) |
| sc.symbol = obj_file->ResolveSymbolForAddress(so_addr, verify_unique); |
| } |
| |
| if (sc.symbol) |
| { |
| if (sc.symbol->IsSynthetic()) |
| { |
| // We have a synthetic symbol so lets check if the object file |
| // from the symbol file in the symbol vendor is different than |
| // the object file for the module, and if so search its symbol |
| // table to see if we can come up with a better symbol. For example |
| // dSYM files on MacOSX have an unstripped symbol table inside of |
| // them. |
| ObjectFile *symtab_objfile = symtab->GetObjectFile(); |
| if (symtab_objfile && symtab_objfile->IsStripped()) |
| { |
| SymbolFile *symfile = sym_vendor->GetSymbolFile(); |
| if (symfile) |
| { |
| ObjectFile *symfile_objfile = symfile->GetObjectFile(); |
| if (symfile_objfile != symtab_objfile) |
| { |
| Symtab *symfile_symtab = symfile_objfile->GetSymtab(); |
| if (symfile_symtab) |
| { |
| Symbol *symbol = symfile_symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress()); |
| if (symbol && !symbol->IsSynthetic()) |
| { |
| sc.symbol = symbol; |
| } |
| } |
| } |
| } |
| } |
| } |
| resolved_flags |= eSymbolContextSymbol; |
| } |
| } |
| } |
| |
| // For function symbols, so_addr may be off by one. This is a convention consistent |
| // with FDE row indices in eh_frame sections, but requires extra logic here to permit |
| // symbol lookup for disassembly and unwind. |
| if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol) && |
| resolve_tail_call_address && so_addr.IsSectionOffset()) |
| { |
| Address previous_addr = so_addr; |
| previous_addr.Slide(-1); |
| |
| bool do_resolve_tail_call_address = false; // prevent recursion |
| const uint32_t flags = ResolveSymbolContextForAddress(previous_addr, resolve_scope, sc, |
| do_resolve_tail_call_address); |
| if (flags & eSymbolContextSymbol) |
| { |
| AddressRange addr_range; |
| if (sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, addr_range)) |
| { |
| if (addr_range.GetBaseAddress().GetSection() == so_addr.GetSection()) |
| { |
| // If the requested address is one past the address range of a function (i.e. a tail call), |
| // or the decremented address is the start of a function (i.e. some forms of trampoline), |
| // indicate that the symbol has been resolved. |
| if (so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() || |
| so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() + addr_range.GetByteSize()) |
| { |
| resolved_flags |= flags; |
| } |
| } |
| else |
| { |
| sc.symbol = nullptr; // Don't trust the symbol if the sections didn't match. |
| } |
| } |
| } |
| } |
| } |
| return resolved_flags; |
| } |
| |
| uint32_t |
| Module::ResolveSymbolContextForFilePath |
| ( |
| const char *file_path, |
| uint32_t line, |
| bool check_inlines, |
| uint32_t resolve_scope, |
| SymbolContextList& sc_list |
| ) |
| { |
| FileSpec file_spec(file_path, false); |
| return ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list); |
| } |
| |
| uint32_t |
| Module::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) |
| { |
| Mutex::Locker locker (m_mutex); |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::ResolveSymbolContextForFilePath (%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)", |
| file_spec.GetPath().c_str(), |
| line, |
| check_inlines ? "yes" : "no", |
| resolve_scope); |
| |
| const uint32_t initial_count = sc_list.GetSize(); |
| |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| symbols->ResolveSymbolContext (file_spec, line, check_inlines, resolve_scope, sc_list); |
| |
| return sc_list.GetSize() - initial_count; |
| } |
| |
| |
| size_t |
| Module::FindGlobalVariables (const ConstString &name, |
| const ClangNamespaceDecl *namespace_decl, |
| bool append, |
| size_t max_matches, |
| VariableList& variables) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables); |
| return 0; |
| } |
| |
| size_t |
| Module::FindGlobalVariables (const RegularExpression& regex, |
| bool append, |
| size_t max_matches, |
| VariableList& variables) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->FindGlobalVariables(regex, append, max_matches, variables); |
| return 0; |
| } |
| |
| size_t |
| Module::FindCompileUnits (const FileSpec &path, |
| bool append, |
| SymbolContextList &sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const size_t start_size = sc_list.GetSize(); |
| const size_t num_compile_units = GetNumCompileUnits(); |
| SymbolContext sc; |
| sc.module_sp = shared_from_this(); |
| const bool compare_directory = (bool)path.GetDirectory(); |
| for (size_t i=0; i<num_compile_units; ++i) |
| { |
| sc.comp_unit = GetCompileUnitAtIndex(i).get(); |
| if (sc.comp_unit) |
| { |
| if (FileSpec::Equal (*sc.comp_unit, path, compare_directory)) |
| sc_list.Append(sc); |
| } |
| } |
| return sc_list.GetSize() - start_size; |
| } |
| |
| size_t |
| Module::FindFunctions (const ConstString &name, |
| const ClangNamespaceDecl *namespace_decl, |
| uint32_t name_type_mask, |
| bool include_symbols, |
| bool include_inlines, |
| bool append, |
| SymbolContextList& sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const size_t old_size = sc_list.GetSize(); |
| |
| // Find all the functions (not symbols, but debug information functions... |
| SymbolVendor *symbols = GetSymbolVendor (); |
| |
| if (name_type_mask & eFunctionNameTypeAuto) |
| { |
| ConstString lookup_name; |
| uint32_t lookup_name_type_mask = 0; |
| bool match_name_after_lookup = false; |
| Module::PrepareForFunctionNameLookup (name, |
| name_type_mask, |
| lookup_name, |
| lookup_name_type_mask, |
| match_name_after_lookup); |
| |
| if (symbols) |
| { |
| symbols->FindFunctions(lookup_name, |
| namespace_decl, |
| lookup_name_type_mask, |
| include_inlines, |
| append, |
| sc_list); |
| |
| // Now check our symbol table for symbols that are code symbols if requested |
| if (include_symbols) |
| { |
| Symtab *symtab = symbols->GetSymtab(); |
| if (symtab) |
| symtab->FindFunctionSymbols(lookup_name, lookup_name_type_mask, sc_list); |
| } |
| } |
| |
| if (match_name_after_lookup) |
| { |
| SymbolContext sc; |
| size_t i = old_size; |
| while (i<sc_list.GetSize()) |
| { |
| if (sc_list.GetContextAtIndex(i, sc)) |
| { |
| const char *func_name = sc.GetFunctionName().GetCString(); |
| if (func_name && strstr (func_name, name.GetCString()) == NULL) |
| { |
| // Remove the current context |
| sc_list.RemoveContextAtIndex(i); |
| // Don't increment i and continue in the loop |
| continue; |
| } |
| } |
| ++i; |
| } |
| } |
| } |
| else |
| { |
| if (symbols) |
| { |
| symbols->FindFunctions(name, namespace_decl, name_type_mask, include_inlines, append, sc_list); |
| |
| // Now check our symbol table for symbols that are code symbols if requested |
| if (include_symbols) |
| { |
| Symtab *symtab = symbols->GetSymtab(); |
| if (symtab) |
| symtab->FindFunctionSymbols(name, name_type_mask, sc_list); |
| } |
| } |
| } |
| |
| return sc_list.GetSize() - old_size; |
| } |
| |
| size_t |
| Module::FindFunctions (const RegularExpression& regex, |
| bool include_symbols, |
| bool include_inlines, |
| bool append, |
| SymbolContextList& sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const size_t start_size = sc_list.GetSize(); |
| |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| { |
| symbols->FindFunctions(regex, include_inlines, append, sc_list); |
| |
| // Now check our symbol table for symbols that are code symbols if requested |
| if (include_symbols) |
| { |
| Symtab *symtab = symbols->GetSymtab(); |
| if (symtab) |
| { |
| std::vector<uint32_t> symbol_indexes; |
| symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeAny, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); |
| const size_t num_matches = symbol_indexes.size(); |
| if (num_matches) |
| { |
| SymbolContext sc(this); |
| const size_t end_functions_added_index = sc_list.GetSize(); |
| size_t num_functions_added_to_sc_list = end_functions_added_index - start_size; |
| if (num_functions_added_to_sc_list == 0) |
| { |
| // No functions were added, just symbols, so we can just append them |
| for (size_t i=0; i<num_matches; ++i) |
| { |
| sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); |
| SymbolType sym_type = sc.symbol->GetType(); |
| if (sc.symbol && (sym_type == eSymbolTypeCode || |
| sym_type == eSymbolTypeResolver)) |
| sc_list.Append(sc); |
| } |
| } |
| else |
| { |
| typedef std::map<lldb::addr_t, uint32_t> FileAddrToIndexMap; |
| FileAddrToIndexMap file_addr_to_index; |
| for (size_t i=start_size; i<end_functions_added_index; ++i) |
| { |
| const SymbolContext &sc = sc_list[i]; |
| if (sc.block) |
| continue; |
| file_addr_to_index[sc.function->GetAddressRange().GetBaseAddress().GetFileAddress()] = i; |
| } |
| |
| FileAddrToIndexMap::const_iterator end = file_addr_to_index.end(); |
| // Functions were added so we need to merge symbols into any |
| // existing function symbol contexts |
| for (size_t i=start_size; i<num_matches; ++i) |
| { |
| sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); |
| SymbolType sym_type = sc.symbol->GetType(); |
| if (sc.symbol && (sym_type == eSymbolTypeCode || |
| sym_type == eSymbolTypeResolver)) |
| { |
| FileAddrToIndexMap::const_iterator pos = file_addr_to_index.find(sc.symbol->GetAddress().GetFileAddress()); |
| if (pos == end) |
| sc_list.Append(sc); |
| else |
| sc_list[pos->second].symbol = sc.symbol; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| return sc_list.GetSize() - start_size; |
| } |
| |
| void |
| Module::FindAddressesForLine (const lldb::TargetSP target_sp, |
| const FileSpec &file, uint32_t line, |
| Function *function, |
| std::vector<Address> &output_local, std::vector<Address> &output_extern) |
| { |
| SearchFilterByModule filter(target_sp, m_file); |
| AddressResolverFileLine resolver(file, line, true); |
| resolver.ResolveAddress (filter); |
| |
| for (size_t n=0;n<resolver.GetNumberOfAddresses();n++) |
| { |
| Address addr = resolver.GetAddressRangeAtIndex(n).GetBaseAddress(); |
| Function *f = addr.CalculateSymbolContextFunction(); |
| if (f && f == function) |
| output_local.push_back (addr); |
| else |
| output_extern.push_back (addr); |
| } |
| } |
| |
| size_t |
| Module::FindTypes_Impl (const SymbolContext& sc, |
| const ConstString &name, |
| const ClangNamespaceDecl *namespace_decl, |
| bool append, |
| size_t max_matches, |
| TypeList& types) |
| { |
| Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); |
| if (sc.module_sp.get() == NULL || sc.module_sp.get() == this) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->FindTypes(sc, name, namespace_decl, append, max_matches, types); |
| } |
| return 0; |
| } |
| |
| size_t |
| Module::FindTypesInNamespace (const SymbolContext& sc, |
| const ConstString &type_name, |
| const ClangNamespaceDecl *namespace_decl, |
| size_t max_matches, |
| TypeList& type_list) |
| { |
| const bool append = true; |
| return FindTypes_Impl(sc, type_name, namespace_decl, append, max_matches, type_list); |
| } |
| |
| lldb::TypeSP |
| Module::FindFirstType (const SymbolContext& sc, |
| const ConstString &name, |
| bool exact_match) |
| { |
| TypeList type_list; |
| const size_t num_matches = FindTypes (sc, name, exact_match, 1, type_list); |
| if (num_matches) |
| return type_list.GetTypeAtIndex(0); |
| return TypeSP(); |
| } |
| |
| |
| size_t |
| Module::FindTypes (const SymbolContext& sc, |
| const ConstString &name, |
| bool exact_match, |
| size_t max_matches, |
| TypeList& types) |
| { |
| size_t num_matches = 0; |
| const char *type_name_cstr = name.GetCString(); |
| std::string type_scope; |
| std::string type_basename; |
| const bool append = true; |
| TypeClass type_class = eTypeClassAny; |
| if (Type::GetTypeScopeAndBasename (type_name_cstr, type_scope, type_basename, type_class)) |
| { |
| // Check if "name" starts with "::" which means the qualified type starts |
| // from the root namespace and implies and exact match. The typenames we |
| // get back from clang do not start with "::" so we need to strip this off |
| // in order to get the qualified names to match |
| |
| if (type_scope.size() >= 2 && type_scope[0] == ':' && type_scope[1] == ':') |
| { |
| type_scope.erase(0,2); |
| exact_match = true; |
| } |
| ConstString type_basename_const_str (type_basename.c_str()); |
| if (FindTypes_Impl(sc, type_basename_const_str, NULL, append, max_matches, types)) |
| { |
| types.RemoveMismatchedTypes (type_scope, type_basename, type_class, exact_match); |
| num_matches = types.GetSize(); |
| } |
| } |
| else |
| { |
| // The type is not in a namespace/class scope, just search for it by basename |
| if (type_class != eTypeClassAny) |
| { |
| // The "type_name_cstr" will have been modified if we have a valid type class |
| // prefix (like "struct", "class", "union", "typedef" etc). |
| FindTypes_Impl(sc, ConstString(type_name_cstr), NULL, append, max_matches, types); |
| types.RemoveMismatchedTypes (type_class); |
| num_matches = types.GetSize(); |
| } |
| else |
| { |
| num_matches = FindTypes_Impl(sc, name, NULL, append, max_matches, types); |
| } |
| } |
| |
| return num_matches; |
| |
| } |
| |
| SymbolVendor* |
| Module::GetSymbolVendor (bool can_create, lldb_private::Stream *feedback_strm) |
| { |
| Mutex::Locker locker (m_mutex); |
| if (m_did_load_symbol_vendor == false && can_create) |
| { |
| ObjectFile *obj_file = GetObjectFile (); |
| if (obj_file != NULL) |
| { |
| Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); |
| m_symfile_ap.reset(SymbolVendor::FindPlugin(shared_from_this(), feedback_strm)); |
| m_did_load_symbol_vendor = true; |
| } |
| } |
| return m_symfile_ap.get(); |
| } |
| |
| void |
| Module::SetFileSpecAndObjectName (const FileSpec &file, const ConstString &object_name) |
| { |
| // Container objects whose paths do not specify a file directly can call |
| // this function to correct the file and object names. |
| m_file = file; |
| m_mod_time = file.GetModificationTime(); |
| m_object_name = object_name; |
| } |
| |
| const ArchSpec& |
| Module::GetArchitecture () const |
| { |
| return m_arch; |
| } |
| |
| std::string |
| Module::GetSpecificationDescription () const |
| { |
| std::string spec(GetFileSpec().GetPath()); |
| if (m_object_name) |
| { |
| spec += '('; |
| spec += m_object_name.GetCString(); |
| spec += ')'; |
| } |
| return spec; |
| } |
| |
| void |
| Module::GetDescription (Stream *s, lldb::DescriptionLevel level) |
| { |
| Mutex::Locker locker (m_mutex); |
| |
| if (level >= eDescriptionLevelFull) |
| { |
| if (m_arch.IsValid()) |
| s->Printf("(%s) ", m_arch.GetArchitectureName()); |
| } |
| |
| if (level == eDescriptionLevelBrief) |
| { |
| const char *filename = m_file.GetFilename().GetCString(); |
| if (filename) |
| s->PutCString (filename); |
| } |
| else |
| { |
| char path[PATH_MAX]; |
| if (m_file.GetPath(path, sizeof(path))) |
| s->PutCString(path); |
| } |
| |
| const char *object_name = m_object_name.GetCString(); |
| if (object_name) |
| s->Printf("(%s)", object_name); |
| } |
| |
| void |
| Module::ReportError (const char *format, ...) |
| { |
| if (format && format[0]) |
| { |
| StreamString strm; |
| strm.PutCString("error: "); |
| GetDescription(&strm, lldb::eDescriptionLevelBrief); |
| strm.PutChar (' '); |
| va_list args; |
| va_start (args, format); |
| strm.PrintfVarArg(format, args); |
| va_end (args); |
| |
| const int format_len = strlen(format); |
| if (format_len > 0) |
| { |
| const char last_char = format[format_len-1]; |
| if (last_char != '\n' || last_char != '\r') |
| strm.EOL(); |
| } |
| Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); |
| |
| } |
| } |
| |
| bool |
| Module::FileHasChanged () const |
| { |
| if (m_file_has_changed == false) |
| m_file_has_changed = (m_file.GetModificationTime() != m_mod_time); |
| return m_file_has_changed; |
| } |
| |
| void |
| Module::ReportErrorIfModifyDetected (const char *format, ...) |
| { |
| if (m_first_file_changed_log == false) |
| { |
| if (FileHasChanged ()) |
| { |
| m_first_file_changed_log = true; |
| if (format) |
| { |
| StreamString strm; |
| strm.PutCString("error: the object file "); |
| GetDescription(&strm, lldb::eDescriptionLevelFull); |
| strm.PutCString (" has been modified\n"); |
| |
| va_list args; |
| va_start (args, format); |
| strm.PrintfVarArg(format, args); |
| va_end (args); |
| |
| const int format_len = strlen(format); |
| if (format_len > 0) |
| { |
| const char last_char = format[format_len-1]; |
| if (last_char != '\n' || last_char != '\r') |
| strm.EOL(); |
| } |
| strm.PutCString("The debug session should be aborted as the original debug information has been overwritten.\n"); |
| Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); |
| } |
| } |
| } |
| } |
| |
| void |
| Module::ReportWarning (const char *format, ...) |
| { |
| if (format && format[0]) |
| { |
| StreamString strm; |
| strm.PutCString("warning: "); |
| GetDescription(&strm, lldb::eDescriptionLevelFull); |
| strm.PutChar (' '); |
| |
| va_list args; |
| va_start (args, format); |
| strm.PrintfVarArg(format, args); |
| va_end (args); |
| |
| const int format_len = strlen(format); |
| if (format_len > 0) |
| { |
| const char last_char = format[format_len-1]; |
| if (last_char != '\n' || last_char != '\r') |
| strm.EOL(); |
| } |
| Host::SystemLog (Host::eSystemLogWarning, "%s", strm.GetString().c_str()); |
| } |
| } |
| |
| void |
| Module::LogMessage (Log *log, const char *format, ...) |
| { |
| if (log) |
| { |
| StreamString log_message; |
| GetDescription(&log_message, lldb::eDescriptionLevelFull); |
| log_message.PutCString (": "); |
| va_list args; |
| va_start (args, format); |
| log_message.PrintfVarArg (format, args); |
| va_end (args); |
| log->PutCString(log_message.GetString().c_str()); |
| } |
| } |
| |
| void |
| Module::LogMessageVerboseBacktrace (Log *log, const char *format, ...) |
| { |
| if (log) |
| { |
| StreamString log_message; |
| GetDescription(&log_message, lldb::eDescriptionLevelFull); |
| log_message.PutCString (": "); |
| va_list args; |
| va_start (args, format); |
| log_message.PrintfVarArg (format, args); |
| va_end (args); |
| if (log->GetVerbose()) |
| Host::Backtrace (log_message, 1024); |
| log->PutCString(log_message.GetString().c_str()); |
| } |
| } |
| |
| void |
| Module::Dump(Stream *s) |
| { |
| Mutex::Locker locker (m_mutex); |
| //s->Printf("%.*p: ", (int)sizeof(void*) * 2, this); |
| s->Indent(); |
| s->Printf("Module %s%s%s%s\n", |
| m_file.GetPath().c_str(), |
| m_object_name ? "(" : "", |
| m_object_name ? m_object_name.GetCString() : "", |
| m_object_name ? ")" : ""); |
| |
| s->IndentMore(); |
| |
| ObjectFile *objfile = GetObjectFile (); |
| if (objfile) |
| objfile->Dump(s); |
| |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| symbols->Dump(s); |
| |
| s->IndentLess(); |
| } |
| |
| |
| TypeList* |
| Module::GetTypeList () |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return &symbols->GetTypeList(); |
| return NULL; |
| } |
| |
| const ConstString & |
| Module::GetObjectName() const |
| { |
| return m_object_name; |
| } |
| |
| ObjectFile * |
| Module::GetObjectFile() |
| { |
| Mutex::Locker locker (m_mutex); |
| if (m_did_load_objfile == false) |
| { |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString("")); |
| DataBufferSP data_sp; |
| lldb::offset_t data_offset = 0; |
| const lldb::offset_t file_size = m_file.GetByteSize(); |
| if (file_size > m_object_offset) |
| { |
| m_did_load_objfile = true; |
| m_objfile_sp = ObjectFile::FindPlugin (shared_from_this(), |
| &m_file, |
| m_object_offset, |
| file_size - m_object_offset, |
| data_sp, |
| data_offset); |
| if (m_objfile_sp) |
| { |
| // Once we get the object file, update our module with the object file's |
| // architecture since it might differ in vendor/os if some parts were |
| // unknown. |
| m_objfile_sp->GetArchitecture (m_arch); |
| } |
| } |
| } |
| return m_objfile_sp.get(); |
| } |
| |
| SectionList * |
| Module::GetSectionList() |
| { |
| // Populate m_unified_sections_ap with sections from objfile. |
| if (m_sections_ap.get() == NULL) |
| { |
| ObjectFile *obj_file = GetObjectFile(); |
| if (obj_file) |
| obj_file->CreateSections(*GetUnifiedSectionList()); |
| } |
| return m_sections_ap.get(); |
| } |
| |
| SectionList * |
| Module::GetUnifiedSectionList() |
| { |
| // Populate m_unified_sections_ap with sections from objfile. |
| if (m_sections_ap.get() == NULL) |
| m_sections_ap.reset(new SectionList()); |
| return m_sections_ap.get(); |
| } |
| |
| const Symbol * |
| Module::FindFirstSymbolWithNameAndType (const ConstString &name, SymbolType symbol_type) |
| { |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::FindFirstSymbolWithNameAndType (name = %s, type = %i)", |
| name.AsCString(), |
| symbol_type); |
| SymbolVendor* sym_vendor = GetSymbolVendor(); |
| if (sym_vendor) |
| { |
| Symtab *symtab = sym_vendor->GetSymtab(); |
| if (symtab) |
| return symtab->FindFirstSymbolWithNameAndType (name, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny); |
| } |
| return NULL; |
| } |
| void |
| Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list) |
| { |
| // No need to protect this call using m_mutex all other method calls are |
| // already thread safe. |
| |
| size_t num_indices = symbol_indexes.size(); |
| if (num_indices > 0) |
| { |
| SymbolContext sc; |
| CalculateSymbolContext (&sc); |
| for (size_t i = 0; i < num_indices; i++) |
| { |
| sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]); |
| if (sc.symbol) |
| sc_list.Append (sc); |
| } |
| } |
| } |
| |
| size_t |
| Module::FindFunctionSymbols (const ConstString &name, |
| uint32_t name_type_mask, |
| SymbolContextList& sc_list) |
| { |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::FindSymbolsFunctions (name = %s, mask = 0x%8.8x)", |
| name.AsCString(), |
| name_type_mask); |
| SymbolVendor* sym_vendor = GetSymbolVendor(); |
| if (sym_vendor) |
| { |
| Symtab *symtab = sym_vendor->GetSymtab(); |
| if (symtab) |
| return symtab->FindFunctionSymbols (name, name_type_mask, sc_list); |
| } |
| return 0; |
| } |
| |
| size_t |
| Module::FindSymbolsWithNameAndType (const ConstString &name, SymbolType symbol_type, SymbolContextList &sc_list) |
| { |
| // No need to protect this call using m_mutex all other method calls are |
| // already thread safe. |
| |
| |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::FindSymbolsWithNameAndType (name = %s, type = %i)", |
| name.AsCString(), |
| symbol_type); |
| const size_t initial_size = sc_list.GetSize(); |
| SymbolVendor* sym_vendor = GetSymbolVendor(); |
| if (sym_vendor) |
| { |
| Symtab *symtab = sym_vendor->GetSymtab(); |
| if (symtab) |
| { |
| std::vector<uint32_t> symbol_indexes; |
| symtab->FindAllSymbolsWithNameAndType (name, symbol_type, symbol_indexes); |
| SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); |
| } |
| } |
| return sc_list.GetSize() - initial_size; |
| } |
| |
| size_t |
| Module::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, SymbolType symbol_type, SymbolContextList &sc_list) |
| { |
| // No need to protect this call using m_mutex all other method calls are |
| // already thread safe. |
| |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::FindSymbolsMatchingRegExAndType (regex = %s, type = %i)", |
| regex.GetText(), |
| symbol_type); |
| const size_t initial_size = sc_list.GetSize(); |
| SymbolVendor* sym_vendor = GetSymbolVendor(); |
| if (sym_vendor) |
| { |
| Symtab *symtab = sym_vendor->GetSymtab(); |
| if (symtab) |
| { |
| std::vector<uint32_t> symbol_indexes; |
| symtab->FindAllSymbolsMatchingRexExAndType (regex, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); |
| SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); |
| } |
| } |
| return sc_list.GetSize() - initial_size; |
| } |
| |
| void |
| Module::SetSymbolFileFileSpec (const FileSpec &file) |
| { |
| // Remove any sections in the unified section list that come from the current symbol vendor. |
| if (m_symfile_ap) |
| { |
| SectionList *section_list = GetSectionList(); |
| SymbolFile *symbol_file = m_symfile_ap->GetSymbolFile(); |
| if (section_list && symbol_file) |
| { |
| ObjectFile *obj_file = symbol_file->GetObjectFile(); |
| // Make sure we have an object file and that the symbol vendor's objfile isn't |
| // the same as the module's objfile before we remove any sections for it... |
| if (obj_file && obj_file != m_objfile_sp.get()) |
| { |
| size_t num_sections = section_list->GetNumSections (0); |
| for (size_t idx = num_sections; idx > 0; --idx) |
| { |
| lldb::SectionSP section_sp (section_list->GetSectionAtIndex (idx - 1)); |
| if (section_sp->GetObjectFile() == obj_file) |
| { |
| section_list->DeleteSection (idx - 1); |
| } |
| } |
| } |
| } |
| } |
| |
| m_symfile_spec = file; |
| m_symfile_ap.reset(); |
| m_did_load_symbol_vendor = false; |
| } |
| |
| bool |
| Module::IsExecutable () |
| { |
| if (GetObjectFile() == NULL) |
| return false; |
| else |
| return GetObjectFile()->IsExecutable(); |
| } |
| |
| bool |
| Module::IsLoadedInTarget (Target *target) |
| { |
| ObjectFile *obj_file = GetObjectFile(); |
| if (obj_file) |
| { |
| SectionList *sections = GetSectionList(); |
| if (sections != NULL) |
| { |
| size_t num_sections = sections->GetSize(); |
| for (size_t sect_idx = 0; sect_idx < num_sections; sect_idx++) |
| { |
| SectionSP section_sp = sections->GetSectionAtIndex(sect_idx); |
| if (section_sp->GetLoadBaseAddress(target) != LLDB_INVALID_ADDRESS) |
| { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| bool |
| Module::LoadScriptingResourceInTarget (Target *target, Error& error, Stream* feedback_stream) |
| { |
| if (!target) |
| { |
| error.SetErrorString("invalid destination Target"); |
| return false; |
| } |
| |
| LoadScriptFromSymFile should_load = target->TargetProperties::GetLoadScriptFromSymbolFile(); |
| |
| Debugger &debugger = target->GetDebugger(); |
| const ScriptLanguage script_language = debugger.GetScriptLanguage(); |
| if (script_language != eScriptLanguageNone) |
| { |
| |
| PlatformSP platform_sp(target->GetPlatform()); |
| |
| if (!platform_sp) |
| { |
| error.SetErrorString("invalid Platform"); |
| return false; |
| } |
| |
| FileSpecList file_specs = platform_sp->LocateExecutableScriptingResources (target, |
| *this); |
| |
| |
| const uint32_t num_specs = file_specs.GetSize(); |
| if (num_specs) |
| { |
| ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); |
| if (script_interpreter) |
| { |
| for (uint32_t i=0; i<num_specs; ++i) |
| { |
| FileSpec scripting_fspec (file_specs.GetFileSpecAtIndex(i)); |
| if (scripting_fspec && scripting_fspec.Exists()) |
| { |
| if (should_load == eLoadScriptFromSymFileFalse) |
| return false; |
| if (should_load == eLoadScriptFromSymFileWarn) |
| { |
| if (feedback_stream) |
| feedback_stream->Printf("warning: '%s' contains a debug script. To run this script in " |
| "this debug session:\n\n command script import \"%s\"\n\n" |
| "To run all discovered debug scripts in this session:\n\n" |
| " settings set target.load-script-from-symbol-file true\n", |
| GetFileSpec().GetFileNameStrippingExtension().GetCString(), |
| scripting_fspec.GetPath().c_str()); |
| return false; |
| } |
| StreamString scripting_stream; |
| scripting_fspec.Dump(&scripting_stream); |
| const bool can_reload = true; |
| const bool init_lldb_globals = false; |
| bool did_load = script_interpreter->LoadScriptingModule(scripting_stream.GetData(), |
| can_reload, |
| init_lldb_globals, |
| error); |
| if (!did_load) |
| return false; |
| } |
| } |
| } |
| else |
| { |
| error.SetErrorString("invalid ScriptInterpreter"); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| bool |
| Module::SetArchitecture (const ArchSpec &new_arch) |
| { |
| if (!m_arch.IsValid()) |
| { |
| m_arch = new_arch; |
| return true; |
| } |
| return m_arch.IsCompatibleMatch(new_arch); |
| } |
| |
| bool |
| Module::SetLoadAddress (Target &target, lldb::addr_t value, bool value_is_offset, bool &changed) |
| { |
| ObjectFile *object_file = GetObjectFile(); |
| if (object_file) |
| { |
| changed = object_file->SetLoadAddress(target, value, value_is_offset); |
| return true; |
| } |
| else |
| { |
| changed = false; |
| } |
| return false; |
| } |
| |
| |
| bool |
| Module::MatchesModuleSpec (const ModuleSpec &module_ref) |
| { |
| const UUID &uuid = module_ref.GetUUID(); |
| |
| if (uuid.IsValid()) |
| { |
| // If the UUID matches, then nothing more needs to match... |
| if (uuid == GetUUID()) |
| return true; |
| else |
| return false; |
| } |
| |
| const FileSpec &file_spec = module_ref.GetFileSpec(); |
| if (file_spec) |
| { |
| if (!FileSpec::Equal (file_spec, m_file, (bool)file_spec.GetDirectory())) |
| return false; |
| } |
| |
| const FileSpec &platform_file_spec = module_ref.GetPlatformFileSpec(); |
| if (platform_file_spec) |
| { |
| if (!FileSpec::Equal (platform_file_spec, GetPlatformFileSpec (), (bool)platform_file_spec.GetDirectory())) |
| return false; |
| } |
| |
| const ArchSpec &arch = module_ref.GetArchitecture(); |
| if (arch.IsValid()) |
| { |
| if (!m_arch.IsCompatibleMatch(arch)) |
| return false; |
| } |
| |
| const ConstString &object_name = module_ref.GetObjectName(); |
| if (object_name) |
| { |
| if (object_name != GetObjectName()) |
| return false; |
| } |
| return true; |
| } |
| |
| bool |
| Module::FindSourceFile (const FileSpec &orig_spec, FileSpec &new_spec) const |
| { |
| Mutex::Locker locker (m_mutex); |
| return m_source_mappings.FindFile (orig_spec, new_spec); |
| } |
| |
| bool |
| Module::RemapSourceFile (const char *path, std::string &new_path) const |
| { |
| Mutex::Locker locker (m_mutex); |
| return m_source_mappings.RemapPath(path, new_path); |
| } |
| |
| uint32_t |
| Module::GetVersion (uint32_t *versions, uint32_t num_versions) |
| { |
| ObjectFile *obj_file = GetObjectFile(); |
| if (obj_file) |
| return obj_file->GetVersion (versions, num_versions); |
| |
| if (versions && num_versions) |
| { |
| for (uint32_t i=0; i<num_versions; ++i) |
| versions[i] = LLDB_INVALID_MODULE_VERSION; |
| } |
| return 0; |
| } |
| |
| void |
| Module::PrepareForFunctionNameLookup (const ConstString &name, |
| uint32_t name_type_mask, |
| ConstString &lookup_name, |
| uint32_t &lookup_name_type_mask, |
| bool &match_name_after_lookup) |
| { |
| const char *name_cstr = name.GetCString(); |
| lookup_name_type_mask = eFunctionNameTypeNone; |
| match_name_after_lookup = false; |
| const char *base_name_start = NULL; |
| const char *base_name_end = NULL; |
| |
| if (name_type_mask & eFunctionNameTypeAuto) |
| { |
| if (CPPLanguageRuntime::IsCPPMangledName (name_cstr)) |
| lookup_name_type_mask = eFunctionNameTypeFull; |
| else if (ObjCLanguageRuntime::IsPossibleObjCMethodName (name_cstr)) |
| lookup_name_type_mask = eFunctionNameTypeFull; |
| else |
| { |
| if (ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr)) |
| lookup_name_type_mask |= eFunctionNameTypeSelector; |
| |
| CPPLanguageRuntime::MethodName cpp_method (name); |
| llvm::StringRef basename (cpp_method.GetBasename()); |
| if (basename.empty()) |
| { |
| if (CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end)) |
| lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase); |
| } |
| else |
| { |
| base_name_start = basename.data(); |
| base_name_end = base_name_start + basename.size(); |
| lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase); |
| } |
| } |
| } |
| else |
| { |
| lookup_name_type_mask = name_type_mask; |
| if (lookup_name_type_mask & eFunctionNameTypeMethod || name_type_mask & eFunctionNameTypeBase) |
| { |
| // If they've asked for a CPP method or function name and it can't be that, we don't |
| // even need to search for CPP methods or names. |
| CPPLanguageRuntime::MethodName cpp_method (name); |
| if (cpp_method.IsValid()) |
| { |
| llvm::StringRef basename (cpp_method.GetBasename()); |
| base_name_start = basename.data(); |
| base_name_end = base_name_start + basename.size(); |
| |
| if (!cpp_method.GetQualifiers().empty()) |
| { |
| // There is a "const" or other qualifier following the end of the function parens, |
| // this can't be a eFunctionNameTypeBase |
| lookup_name_type_mask &= ~(eFunctionNameTypeBase); |
| if (lookup_name_type_mask == eFunctionNameTypeNone) |
| return; |
| } |
| } |
| else |
| { |
| if (!CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end)) |
| { |
| lookup_name_type_mask &= ~(eFunctionNameTypeMethod | eFunctionNameTypeBase); |
| if (lookup_name_type_mask == eFunctionNameTypeNone) |
| return; |
| } |
| } |
| } |
| |
| if (lookup_name_type_mask & eFunctionNameTypeSelector) |
| { |
| if (!ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr)) |
| { |
| lookup_name_type_mask &= ~(eFunctionNameTypeSelector); |
| if (lookup_name_type_mask == eFunctionNameTypeNone) |
| return; |
| } |
| } |
| } |
| |
| if (base_name_start && |
| base_name_end && |
| base_name_start != name_cstr && |
| base_name_start < base_name_end) |
| { |
| // The name supplied was a partial C++ path like "a::count". In this case we want to do a |
| // lookup on the basename "count" and then make sure any matching results contain "a::count" |
| // so that it would match "b::a::count" and "a::count". This is why we set "match_name_after_lookup" |
| // to true |
| lookup_name.SetCStringWithLength(base_name_start, base_name_end - base_name_start); |
| match_name_after_lookup = true; |
| } |
| else |
| { |
| // The name is already correct, just use the exact name as supplied, and we won't need |
| // to check if any matches contain "name" |
| lookup_name = name; |
| match_name_after_lookup = false; |
| } |
| } |
| |
| ModuleSP |
| Module::CreateJITModule (const lldb::ObjectFileJITDelegateSP &delegate_sp) |
| { |
| if (delegate_sp) |
| { |
| // Must create a module and place it into a shared pointer before |
| // we can create an object file since it has a std::weak_ptr back |
| // to the module, so we need to control the creation carefully in |
| // this static function |
| ModuleSP module_sp(new Module()); |
| module_sp->m_objfile_sp.reset (new ObjectFileJIT (module_sp, delegate_sp)); |
| if (module_sp->m_objfile_sp) |
| { |
| // Once we get the object file, update our module with the object file's |
| // architecture since it might differ in vendor/os if some parts were |
| // unknown. |
| module_sp->m_objfile_sp->GetArchitecture (module_sp->m_arch); |
| } |
| return module_sp; |
| } |
| return ModuleSP(); |
| } |
| |
