| //===-- 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/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/RegularExpression.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Core/Timer.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/lldb-private-log.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| #include "lldb/Symbol/SymbolVendor.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.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) |
| { |
| ModuleList::RemoveOrphanSharedModules(); |
| } |
| |
| void |
| DumpModuleInfo (void) |
| { |
| Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex()); |
| ModuleCollection &modules = GetModuleCollection(); |
| const size_t count = modules.size(); |
| printf ("%s: %zu modules:\n", __PRETTY_FUNCTION__, 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 FileSpec& file_spec, const lldb::ProcessSP &process_sp, lldb::addr_t header_addr) : |
| m_mutex (Mutex::eMutexTypeRecursive), |
| m_mod_time (), |
| m_arch (), |
| m_uuid (), |
| m_file (file_spec), |
| m_platform_file(), |
| m_object_name (), |
| m_object_offset (), |
| m_objfile_sp (), |
| m_symfile_ap (), |
| m_ast (), |
| 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_was_modified (false) |
| { |
| // Scope for locker below... |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| GetModuleCollection().push_back(this); |
| } |
| StreamString s; |
| if (m_file.GetFilename()) |
| s << m_file.GetFilename(); |
| s.Printf("[0x%16.16llx]", header_addr); |
| m_file.GetFilename().SetCString (s.GetData()); |
| Mutex::Locker locker (m_mutex); |
| DataBufferSP data_sp; |
| if (process_sp) |
| { |
| m_did_load_objfile = true; |
| std::auto_ptr<DataBufferHeap> data_ap (new DataBufferHeap (512, 0)); |
| Error error; |
| const size_t bytes_read = process_sp->ReadMemory (header_addr, |
| data_ap->GetBytes(), |
| data_ap->GetByteSize(), |
| error); |
| if (bytes_read == 512) |
| { |
| data_sp.reset (data_ap.release()); |
| m_objfile_sp = ObjectFile::FindPlugin(this, process_sp, header_addr, data_sp); |
| 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); |
| } |
| } |
| } |
| } |
| |
| Module::Module(const FileSpec& file_spec, const ArchSpec& arch, const ConstString *object_name, off_t object_offset) : |
| m_mutex (Mutex::eMutexTypeRecursive), |
| m_mod_time (file_spec.GetModificationTime()), |
| m_arch (arch), |
| m_uuid (), |
| m_file (file_spec), |
| m_platform_file(), |
| m_object_name (), |
| m_object_offset (object_offset), |
| m_objfile_sp (), |
| m_symfile_ap (), |
| m_ast (), |
| 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_was_modified (false) |
| { |
| // Scope for locker below... |
| { |
| Mutex::Locker locker (GetAllocationModuleCollectionMutex()); |
| GetModuleCollection().push_back(this); |
| } |
| |
| if (object_name) |
| m_object_name = *object_name; |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Module::Module((%s) '%s/%s%s%s%s')", |
| this, |
| m_arch.GetArchitectureName(), |
| m_file.GetDirectory().AsCString(""), |
| m_file.GetFilename().AsCString(""), |
| m_object_name.IsEmpty() ? "" : "(", |
| m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), |
| m_object_name.IsEmpty() ? "" : ")"); |
| } |
| |
| Module::~Module() |
| { |
| // 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); |
| if (pos != end) |
| modules.erase(pos); |
| } |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Module::~Module((%s) '%s/%s%s%s%s')", |
| this, |
| m_arch.GetArchitectureName(), |
| m_file.GetDirectory().AsCString(""), |
| m_file.GetFilename().AsCString(""), |
| 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_symfile_ap.reset(); |
| m_objfile_sp.reset(); |
| } |
| |
| |
| 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; |
| m_ast.SetArchitecture (object_arch); |
| } |
| } |
| return m_ast; |
| } |
| |
| void |
| Module::ParseAllDebugSymbols() |
| { |
| Mutex::Locker locker (m_mutex); |
| uint32_t num_comp_units = GetNumCompileUnits(); |
| if (num_comp_units == 0) |
| return; |
| |
| SymbolContext sc; |
| sc.module_sp = shared_from_this(); |
| uint32_t cu_idx; |
| SymbolVendor *symbols = GetSymbolVendor (); |
| |
| for (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); |
| |
| uint32_t func_idx; |
| for (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(); |
| } |
| |
| Module * |
| Module::CalculateSymbolContextModule () |
| { |
| return this; |
| } |
| |
| void |
| Module::DumpSymbolContext(Stream *s) |
| { |
| s->Printf(", Module{%p}", this); |
| } |
| |
| uint32_t |
| Module::GetNumCompileUnits() |
| { |
| Mutex::Locker locker (m_mutex); |
| Timer scoped_timer(__PRETTY_FUNCTION__, "Module::GetNumCompileUnits (module = %p)", this); |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->GetNumCompileUnits(); |
| return 0; |
| } |
| |
| CompUnitSP |
| Module::GetCompileUnitAtIndex (uint32_t index) |
| { |
| Mutex::Locker locker (m_mutex); |
| uint32_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%llx)", vm_addr); |
| ObjectFile* ofile = GetObjectFile(); |
| if (ofile) |
| return so_addr.ResolveAddressUsingFileSections(vm_addr, ofile->GetSectionList()); |
| return false; |
| } |
| |
| uint32_t |
| Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc) |
| { |
| Mutex::Locker locker (m_mutex); |
| uint32_t resolved_flags = 0; |
| |
| // Clear the result symbol context in case we don't find anything |
| sc.Clear(); |
| |
| // Get the section from the section/offset address. |
| const Section *section = so_addr.GetSection(); |
| |
| // Make sure the section matches this module before we try and match anything |
| if (section && section->GetModule() == this) |
| { |
| // If the section offset based address resolved itself, then this |
| // is the right module. |
| sc.module_sp = shared_from_this(); |
| resolved_flags |= eSymbolContextModule; |
| |
| // 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 ) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| resolved_flags |= symbols->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)) |
| { |
| ObjectFile* ofile = GetObjectFile(); |
| if (ofile) |
| { |
| Symtab *symtab = ofile->GetSymtab(); |
| if (symtab) |
| { |
| if (so_addr.IsSectionOffset()) |
| { |
| sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress()); |
| if (sc.symbol) |
| resolved_flags |= eSymbolContextSymbol; |
| } |
| } |
| } |
| } |
| } |
| 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%s%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)", |
| file_spec.GetDirectory().AsCString(""), |
| file_spec.GetDirectory() ? "/" : "", |
| file_spec.GetFilename().AsCString(""), |
| 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; |
| } |
| |
| |
| uint32_t |
| Module::FindGlobalVariables(const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, VariableList& variables) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables); |
| return 0; |
| } |
| uint32_t |
| Module::FindGlobalVariables(const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables) |
| { |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| return symbols->FindGlobalVariables(regex, append, max_matches, variables); |
| return 0; |
| } |
| |
| uint32_t |
| Module::FindCompileUnits (const FileSpec &path, |
| bool append, |
| SymbolContextList &sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const uint32_t start_size = sc_list.GetSize(); |
| const uint32_t num_compile_units = GetNumCompileUnits(); |
| SymbolContext sc; |
| sc.module_sp = shared_from_this(); |
| const bool compare_directory = path.GetDirectory(); |
| for (uint32_t i=0; i<num_compile_units; ++i) |
| { |
| sc.comp_unit = GetCompileUnitAtIndex(i).get(); |
| if (FileSpec::Equal (*sc.comp_unit, path, compare_directory)) |
| sc_list.Append(sc); |
| } |
| return sc_list.GetSize() - start_size; |
| } |
| |
| uint32_t |
| Module::FindFunctions (const ConstString &name, |
| const ClangNamespaceDecl *namespace_decl, |
| uint32_t name_type_mask, |
| bool include_symbols, |
| bool append, |
| SymbolContextList& sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const uint32_t start_size = sc_list.GetSize(); |
| |
| // Find all the functions (not symbols, but debug information functions... |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| symbols->FindFunctions(name, namespace_decl, name_type_mask, append, sc_list); |
| |
| // Now check our symbol table for symbols that are code symbols if requested |
| if (include_symbols) |
| { |
| ObjectFile *objfile = GetObjectFile(); |
| if (objfile) |
| { |
| Symtab *symtab = objfile->GetSymtab(); |
| if (symtab) |
| { |
| std::vector<uint32_t> symbol_indexes; |
| symtab->FindAllSymbolsWithNameAndType (name, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); |
| const uint32_t num_matches = symbol_indexes.size(); |
| if (num_matches) |
| { |
| const bool merge_symbol_into_function = true; |
| SymbolContext sc(this); |
| for (uint32_t i=0; i<num_matches; i++) |
| { |
| sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); |
| sc_list.AppendIfUnique (sc, merge_symbol_into_function); |
| } |
| } |
| } |
| } |
| } |
| return sc_list.GetSize() - start_size; |
| } |
| |
| uint32_t |
| Module::FindFunctions (const RegularExpression& regex, |
| bool include_symbols, |
| bool append, |
| SymbolContextList& sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| const uint32_t start_size = sc_list.GetSize(); |
| |
| SymbolVendor *symbols = GetSymbolVendor (); |
| if (symbols) |
| symbols->FindFunctions(regex, append, sc_list); |
| // Now check our symbol table for symbols that are code symbols if requested |
| if (include_symbols) |
| { |
| ObjectFile *objfile = GetObjectFile(); |
| if (objfile) |
| { |
| Symtab *symtab = objfile->GetSymtab(); |
| if (symtab) |
| { |
| std::vector<uint32_t> symbol_indexes; |
| symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); |
| const uint32_t num_matches = symbol_indexes.size(); |
| if (num_matches) |
| { |
| const bool merge_symbol_into_function = true; |
| SymbolContext sc(this); |
| for (uint32_t i=0; i<num_matches; i++) |
| { |
| sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); |
| sc_list.AppendIfUnique (sc, merge_symbol_into_function); |
| } |
| } |
| } |
| } |
| } |
| return sc_list.GetSize() - start_size; |
| } |
| |
| uint32_t |
| Module::FindTypes_Impl (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_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; |
| } |
| |
| // depending on implementation details, type lookup might fail because of |
| // embedded spurious namespace:: prefixes. this call strips them, paying |
| // attention to the fact that a type might have namespace'd type names as |
| // arguments to templates, and those must not be stripped off |
| static const char* |
| StripTypeName(const char* name_cstr) |
| { |
| // Protect against null c string. |
| if (!name_cstr) |
| return name_cstr; |
| const char* skip_namespace = strstr(name_cstr, "::"); |
| const char* template_arg_char = strchr(name_cstr, '<'); |
| while (skip_namespace != NULL) |
| { |
| if (template_arg_char != NULL && |
| skip_namespace > template_arg_char) // but namespace'd template arguments are still good to go |
| break; |
| name_cstr = skip_namespace+2; |
| skip_namespace = strstr(name_cstr, "::"); |
| } |
| return name_cstr; |
| } |
| |
| uint32_t |
| Module::FindTypes (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, TypeList& types) |
| { |
| uint32_t retval = FindTypes_Impl(sc, name, namespace_decl, append, max_matches, types); |
| |
| if (retval == 0) |
| { |
| const char *orig_name = name.GetCString(); |
| const char *stripped = StripTypeName(orig_name); |
| // Only do this lookup if StripTypeName has stripped the name: |
| if (stripped != orig_name) |
| return FindTypes_Impl(sc, ConstString(stripped), namespace_decl, append, max_matches, types); |
| else |
| return 0; |
| } |
| else |
| return retval; |
| |
| } |
| |
| //uint32_t |
| //Module::FindTypes(const SymbolContext& sc, const RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding encoding, const char *udt_name, TypeList& types) |
| //{ |
| // Timer scoped_timer(__PRETTY_FUNCTION__); |
| // SymbolVendor *symbols = GetSymbolVendor (); |
| // if (symbols) |
| // return symbols->FindTypes(sc, regex, append, max_matches, encoding, udt_name, types); |
| // return 0; |
| // |
| //} |
| |
| SymbolVendor* |
| Module::GetSymbolVendor (bool can_create) |
| { |
| 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(this)); |
| 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; |
| } |
| |
| 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()); |
| |
| } |
| } |
| |
| void |
| Module::ReportErrorIfModifyDetected (const char *format, ...) |
| { |
| if (!GetModified(true) && GetModified(false)) |
| { |
| 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()); |
| } |
| } |
| |
| bool |
| Module::GetModified (bool use_cached_only) |
| { |
| if (m_was_modified == false && use_cached_only == false) |
| { |
| TimeValue curr_mod_time (m_file.GetModificationTime()); |
| m_was_modified = curr_mod_time != m_mod_time; |
| } |
| return m_was_modified; |
| } |
| |
| bool |
| Module::SetModified (bool b) |
| { |
| const bool prev_value = m_was_modified; |
| m_was_modified = b; |
| return prev_value; |
| } |
| |
| |
| 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%s\n", |
| m_file.GetDirectory().AsCString(), |
| m_file.GetFilename().AsCString(), |
| 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) |
| { |
| m_did_load_objfile = true; |
| Timer scoped_timer(__PRETTY_FUNCTION__, |
| "Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString("")); |
| DataBufferSP file_data_sp; |
| m_objfile_sp = ObjectFile::FindPlugin(this, &m_file, m_object_offset, m_file.GetByteSize(), file_data_sp); |
| 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(); |
| } |
| |
| |
| 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); |
| ObjectFile *objfile = GetObjectFile(); |
| if (objfile) |
| { |
| Symtab *symtab = objfile->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::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(); |
| ObjectFile *objfile = GetObjectFile (); |
| if (objfile) |
| { |
| Symtab *symtab = objfile->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(); |
| ObjectFile *objfile = GetObjectFile (); |
| if (objfile) |
| { |
| Symtab *symtab = objfile->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; |
| } |
| |
| const TimeValue & |
| Module::GetModificationTime () const |
| { |
| return m_mod_time; |
| } |
| |
| 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 = obj_file->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::SetArchitecture (const ArchSpec &new_arch) |
| { |
| if (!m_arch.IsValid()) |
| { |
| m_arch = new_arch; |
| return true; |
| } |
| return m_arch == new_arch; |
| } |
| |
| bool |
| Module::SetLoadAddress (Target &target, lldb::addr_t offset, bool &changed) |
| { |
| changed = false; |
| ObjectFile *image_object_file = GetObjectFile(); |
| if (image_object_file) |
| { |
| SectionList *section_list = image_object_file->GetSectionList (); |
| if (section_list) |
| { |
| const size_t num_sections = section_list->GetSize(); |
| size_t sect_idx = 0; |
| for (sect_idx = 0; sect_idx < num_sections; ++sect_idx) |
| { |
| // Iterate through the object file sections to find the |
| // first section that starts of file offset zero and that |
| // has bytes in the file... |
| Section *section = section_list->GetSectionAtIndex (sect_idx).get(); |
| if (section) |
| { |
| if (target.GetSectionLoadList().SetSectionLoadAddress (section, section->GetFileAddress() + offset)) |
| changed = true; |
| } |
| } |
| return sect_idx > 0; |
| } |
| } |
| return false; |
| } |
| |