| //===-- ModuleList.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/ModuleList.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/Symbols.h" |
| #include "lldb/Symbol/ClangNamespaceDecl.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Symbol/VariableList.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //---------------------------------------------------------------------- |
| // ModuleList constructor |
| //---------------------------------------------------------------------- |
| ModuleList::ModuleList() : |
| m_modules(), |
| m_modules_mutex (Mutex::eMutexTypeRecursive) |
| { |
| } |
| |
| //---------------------------------------------------------------------- |
| // Copy constructor |
| //---------------------------------------------------------------------- |
| ModuleList::ModuleList(const ModuleList& rhs) : |
| m_modules(rhs.m_modules) |
| { |
| } |
| |
| //---------------------------------------------------------------------- |
| // Assignment operator |
| //---------------------------------------------------------------------- |
| const ModuleList& |
| ModuleList::operator= (const ModuleList& rhs) |
| { |
| if (this != &rhs) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| m_modules = rhs.m_modules; |
| } |
| return *this; |
| } |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| ModuleList::~ModuleList() |
| { |
| } |
| |
| void |
| ModuleList::Append (const ModuleSP &module_sp) |
| { |
| if (module_sp) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| m_modules.push_back(module_sp); |
| } |
| } |
| |
| bool |
| ModuleList::AppendIfNeeded (const ModuleSP &module_sp) |
| { |
| if (module_sp) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if (pos->get() == module_sp.get()) |
| return false; // Already in the list |
| } |
| // Only push module_sp on the list if it wasn't already in there. |
| m_modules.push_back(module_sp); |
| return true; |
| } |
| return false; |
| } |
| |
| bool |
| ModuleList::Remove (const ModuleSP &module_sp) |
| { |
| if (module_sp) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if (pos->get() == module_sp.get()) |
| { |
| m_modules.erase (pos); |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| |
| size_t |
| ModuleList::RemoveOrphans () |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::iterator pos = m_modules.begin(); |
| size_t remove_count = 0; |
| while (pos != m_modules.end()) |
| { |
| if (pos->unique()) |
| { |
| pos = m_modules.erase (pos); |
| ++remove_count; |
| } |
| else |
| { |
| ++pos; |
| } |
| } |
| return remove_count; |
| } |
| |
| size_t |
| ModuleList::Remove (ModuleList &module_list) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| size_t num_removed = 0; |
| collection::iterator pos, end = module_list.m_modules.end(); |
| for (pos = module_list.m_modules.begin(); pos != end; ++pos) |
| { |
| if (Remove (*pos)) |
| ++num_removed; |
| } |
| return num_removed; |
| } |
| |
| |
| |
| void |
| ModuleList::Clear() |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| m_modules.clear(); |
| } |
| |
| void |
| ModuleList::Destroy() |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection empty; |
| m_modules.swap(empty); |
| } |
| |
| Module* |
| ModuleList::GetModulePointerAtIndex (uint32_t idx) const |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| if (idx < m_modules.size()) |
| return m_modules[idx].get(); |
| return NULL; |
| } |
| |
| ModuleSP |
| ModuleList::GetModuleAtIndex(uint32_t idx) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| ModuleSP module_sp; |
| if (idx < m_modules.size()) |
| module_sp = m_modules[idx]; |
| return module_sp; |
| } |
| |
| uint32_t |
| ModuleList::FindFunctions (const ConstString &name, |
| uint32_t name_type_mask, |
| bool include_symbols, |
| bool append, |
| SymbolContextList &sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->FindFunctions (name, NULL, name_type_mask, include_symbols, true, sc_list); |
| } |
| |
| return sc_list.GetSize(); |
| } |
| |
| uint32_t |
| ModuleList::FindCompileUnits (const FileSpec &path, |
| bool append, |
| SymbolContextList &sc_list) |
| { |
| if (!append) |
| sc_list.Clear(); |
| |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->FindCompileUnits (path, true, sc_list); |
| } |
| |
| return sc_list.GetSize(); |
| } |
| |
| uint32_t |
| ModuleList::FindGlobalVariables (const ConstString &name, |
| bool append, |
| uint32_t max_matches, |
| VariableList& variable_list) |
| { |
| size_t initial_size = variable_list.GetSize(); |
| Mutex::Locker locker(m_modules_mutex); |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->FindGlobalVariables (name, NULL, append, max_matches, variable_list); |
| } |
| return variable_list.GetSize() - initial_size; |
| } |
| |
| |
| uint32_t |
| ModuleList::FindGlobalVariables (const RegularExpression& regex, |
| bool append, |
| uint32_t max_matches, |
| VariableList& variable_list) |
| { |
| size_t initial_size = variable_list.GetSize(); |
| Mutex::Locker locker(m_modules_mutex); |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->FindGlobalVariables (regex, append, max_matches, variable_list); |
| } |
| return variable_list.GetSize() - initial_size; |
| } |
| |
| |
| size_t |
| ModuleList::FindSymbolsWithNameAndType (const ConstString &name, |
| SymbolType symbol_type, |
| SymbolContextList &sc_list, |
| bool append) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| if (!append) |
| sc_list.Clear(); |
| size_t initial_size = sc_list.GetSize(); |
| |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| (*pos)->FindSymbolsWithNameAndType (name, symbol_type, sc_list); |
| return sc_list.GetSize() - initial_size; |
| } |
| |
| size_t |
| ModuleList::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, |
| lldb::SymbolType symbol_type, |
| SymbolContextList &sc_list, |
| bool append) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| if (!append) |
| sc_list.Clear(); |
| size_t initial_size = sc_list.GetSize(); |
| |
| collection::iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| (*pos)->FindSymbolsMatchingRegExAndType (regex, symbol_type, sc_list); |
| return sc_list.GetSize() - initial_size; |
| } |
| |
| class ModuleMatches |
| { |
| public: |
| //-------------------------------------------------------------- |
| /// Construct with the user ID to look for. |
| //-------------------------------------------------------------- |
| ModuleMatches (const FileSpec *file_spec_ptr, |
| const ArchSpec *arch_ptr, |
| const lldb_private::UUID *uuid_ptr, |
| const ConstString *object_name, |
| bool file_spec_is_platform) : |
| m_file_spec_ptr (file_spec_ptr), |
| m_arch_ptr (arch_ptr), |
| m_uuid_ptr (uuid_ptr), |
| m_object_name (object_name), |
| m_file_spec_compare_basename_only (false), |
| m_file_spec_is_platform (file_spec_is_platform) |
| { |
| if (file_spec_ptr) |
| m_file_spec_compare_basename_only = file_spec_ptr->GetDirectory(); |
| } |
| |
| |
| //-------------------------------------------------------------- |
| /// Unary predicate function object callback. |
| //-------------------------------------------------------------- |
| bool |
| operator () (const ModuleSP& module_sp) const |
| { |
| if (m_file_spec_ptr) |
| { |
| if (m_file_spec_is_platform) |
| { |
| if (!FileSpec::Equal (*m_file_spec_ptr, |
| module_sp->GetPlatformFileSpec(), |
| m_file_spec_compare_basename_only)) |
| return false; |
| |
| } |
| else |
| { |
| if (!FileSpec::Equal (*m_file_spec_ptr, |
| module_sp->GetFileSpec(), |
| m_file_spec_compare_basename_only)) |
| return false; |
| } |
| } |
| |
| if (m_arch_ptr && m_arch_ptr->IsValid()) |
| { |
| if (module_sp->GetArchitecture() != *m_arch_ptr) |
| return false; |
| } |
| |
| if (m_uuid_ptr && m_uuid_ptr->IsValid()) |
| { |
| if (module_sp->GetUUID() != *m_uuid_ptr) |
| return false; |
| } |
| |
| if (m_object_name) |
| { |
| if (module_sp->GetObjectName() != *m_object_name) |
| return false; |
| } |
| return true; |
| } |
| |
| private: |
| //-------------------------------------------------------------- |
| // Member variables. |
| //-------------------------------------------------------------- |
| const FileSpec * m_file_spec_ptr; |
| const ArchSpec * m_arch_ptr; |
| const lldb_private::UUID * m_uuid_ptr; |
| const ConstString * m_object_name; |
| bool m_file_spec_compare_basename_only; |
| bool m_file_spec_is_platform; |
| }; |
| |
| size_t |
| ModuleList::FindModules |
| ( |
| const FileSpec *file_spec_ptr, |
| const ArchSpec *arch_ptr, |
| const lldb_private::UUID *uuid_ptr, |
| const ConstString *object_name, |
| ModuleList& matching_module_list |
| ) const |
| { |
| size_t existing_matches = matching_module_list.GetSize(); |
| ModuleMatches matcher (file_spec_ptr, arch_ptr, uuid_ptr, object_name, false); |
| |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator end = m_modules.end(); |
| collection::const_iterator pos; |
| |
| for (pos = std::find_if (m_modules.begin(), end, matcher); |
| pos != end; |
| pos = std::find_if (++pos, end, matcher)) |
| { |
| ModuleSP module_sp(*pos); |
| matching_module_list.Append(module_sp); |
| } |
| return matching_module_list.GetSize() - existing_matches; |
| } |
| |
| ModuleSP |
| ModuleList::FindModule (const Module *module_ptr) |
| { |
| ModuleSP module_sp; |
| |
| // Scope for "locker" |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if ((*pos).get() == module_ptr) |
| { |
| module_sp = (*pos); |
| break; |
| } |
| } |
| } |
| return module_sp; |
| |
| } |
| |
| ModuleSP |
| ModuleList::FindModule (const UUID &uuid) |
| { |
| ModuleSP module_sp; |
| |
| if (uuid.IsValid()) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if ((*pos)->GetUUID() == uuid) |
| { |
| module_sp = (*pos); |
| break; |
| } |
| } |
| } |
| return module_sp; |
| } |
| |
| |
| uint32_t |
| ModuleList::FindTypes (const SymbolContext& sc, const ConstString &name, bool append, uint32_t max_matches, TypeList& types) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| |
| if (!append) |
| types.Clear(); |
| |
| uint32_t total_matches = 0; |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if (sc.module_sp.get() == NULL || sc.module_sp.get() == (*pos).get()) |
| total_matches += (*pos)->FindTypes (sc, name, NULL, true, max_matches, types); |
| |
| if (total_matches >= max_matches) |
| break; |
| } |
| return total_matches; |
| } |
| |
| ModuleSP |
| ModuleList::FindFirstModuleForFileSpec (const FileSpec &file_spec, |
| const ArchSpec *arch_ptr, |
| const ConstString *object_name) |
| { |
| ModuleSP module_sp; |
| ModuleMatches matcher (&file_spec, |
| arch_ptr, |
| NULL, |
| object_name, |
| false); |
| |
| // Scope for "locker" |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator end = m_modules.end(); |
| collection::const_iterator pos = m_modules.begin(); |
| |
| pos = std::find_if (pos, end, matcher); |
| if (pos != end) |
| module_sp = (*pos); |
| } |
| return module_sp; |
| |
| } |
| |
| ModuleSP |
| ModuleList::FindFirstModuleForPlatormFileSpec (const FileSpec &file_spec, |
| const ArchSpec *arch_ptr, |
| const ConstString *object_name) |
| { |
| ModuleSP module_sp; |
| ModuleMatches matcher (&file_spec, |
| arch_ptr, |
| NULL, |
| object_name, |
| true); |
| |
| // Scope for "locker" |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator end = m_modules.end(); |
| collection::const_iterator pos = m_modules.begin(); |
| |
| pos = std::find_if (pos, end, matcher); |
| if (pos != end) |
| module_sp = (*pos); |
| } |
| return module_sp; |
| |
| } |
| |
| |
| size_t |
| ModuleList::GetSize() const |
| { |
| size_t size = 0; |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| size = m_modules.size(); |
| } |
| return size; |
| } |
| |
| |
| void |
| ModuleList::Dump(Stream *s) const |
| { |
| // s.Printf("%.*p: ", (int)sizeof(void*) * 2, this); |
| // s.Indent(); |
| // s << "ModuleList\n"; |
| |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->Dump(s); |
| } |
| } |
| |
| void |
| ModuleList::LogUUIDAndPaths (LogSP &log_sp, const char *prefix_cstr) |
| { |
| if (log_sp) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| char uuid_cstr[256]; |
| collection::const_iterator pos, begin = m_modules.begin(), end = m_modules.end(); |
| for (pos = begin; pos != end; ++pos) |
| { |
| Module *module = pos->get(); |
| module->GetUUID().GetAsCString (uuid_cstr, sizeof(uuid_cstr)); |
| const FileSpec &module_file_spec = module->GetFileSpec(); |
| log_sp->Printf ("%s[%u] %s (%s) \"%s/%s\"", |
| prefix_cstr ? prefix_cstr : "", |
| (uint32_t)std::distance (begin, pos), |
| uuid_cstr, |
| module->GetArchitecture().GetArchitectureName(), |
| module_file_spec.GetDirectory().GetCString(), |
| module_file_spec.GetFilename().GetCString()); |
| } |
| } |
| } |
| |
| bool |
| ModuleList::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| if ((*pos)->ResolveFileAddress (vm_addr, so_addr)) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| uint32_t |
| ModuleList::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc) |
| { |
| // The address is already section offset so it has a module |
| uint32_t resolved_flags = 0; |
| Module *module = so_addr.GetModulePtr(); |
| if (module) |
| { |
| resolved_flags = module->ResolveSymbolContextForAddress (so_addr, |
| resolve_scope, |
| sc); |
| } |
| else |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| resolved_flags = (*pos)->ResolveSymbolContextForAddress (so_addr, |
| resolve_scope, |
| sc); |
| if (resolved_flags != 0) |
| break; |
| } |
| } |
| |
| return resolved_flags; |
| } |
| |
| uint32_t |
| ModuleList::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 |
| ModuleList::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos, end = m_modules.end(); |
| for (pos = m_modules.begin(); pos != end; ++pos) |
| { |
| (*pos)->ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list); |
| } |
| |
| return sc_list.GetSize(); |
| } |
| |
| uint32_t |
| ModuleList::GetIndexForModule (const Module *module) const |
| { |
| if (module) |
| { |
| Mutex::Locker locker(m_modules_mutex); |
| collection::const_iterator pos; |
| collection::const_iterator begin = m_modules.begin(); |
| collection::const_iterator end = m_modules.end(); |
| for (pos = begin; pos != end; ++pos) |
| { |
| if ((*pos).get() == module) |
| return std::distance (begin, pos); |
| } |
| } |
| return LLDB_INVALID_INDEX32; |
| } |
| |
| static ModuleList & |
| GetSharedModuleList () |
| { |
| static ModuleList g_shared_module_list; |
| return g_shared_module_list; |
| } |
| |
| bool |
| ModuleList::ModuleIsInCache (const Module *module_ptr) |
| { |
| if (module_ptr) |
| { |
| ModuleList &shared_module_list = GetSharedModuleList (); |
| return shared_module_list.FindModule (module_ptr).get() != NULL; |
| } |
| return false; |
| } |
| |
| size_t |
| ModuleList::FindSharedModules |
| ( |
| const FileSpec& in_file_spec, |
| const ArchSpec& arch, |
| const lldb_private::UUID *uuid_ptr, |
| const ConstString *object_name_ptr, |
| ModuleList &matching_module_list |
| ) |
| { |
| ModuleList &shared_module_list = GetSharedModuleList (); |
| return shared_module_list.FindModules (&in_file_spec, &arch, uuid_ptr, object_name_ptr, matching_module_list); |
| } |
| |
| uint32_t |
| ModuleList::RemoveOrphanSharedModules () |
| { |
| return GetSharedModuleList ().RemoveOrphans(); |
| } |
| //#define ENABLE_MODULE_SP_LOGGING |
| #if defined (ENABLE_MODULE_SP_LOGGING) |
| #include "lldb/Core/StreamFile.h" |
| #include "lldb/Host/Host.h" |
| static void |
| ModuleSharedPtrLogger(void* p, const ModuleSP& sp, bool will_decrement) |
| { |
| if (sp.get()) |
| { |
| const char *module_basename = sp->GetFileSpec().GetFilename().GetCString(); |
| // If "p" is set, then it is the basename of a module to watch for. This |
| // basename MUST be uniqued first by getting it from a ConstString or this |
| // won't work. |
| if (p && p != module_basename) |
| { |
| return; |
| } |
| long use_count = sp.use_count(); |
| if (will_decrement) |
| --use_count; |
| |
| printf("\nModuleSP(%p): %c %p {%lu} %s/%s\n", &sp, will_decrement ? '-' : '+', sp.get(), use_count, sp->GetFileSpec().GetDirectory().GetCString(), module_basename); |
| StreamFile stdout_strm(stdout, false); |
| Host::Backtrace (stdout_strm, 512); |
| } |
| } |
| #endif |
| |
| Error |
| ModuleList::GetSharedModule |
| ( |
| const FileSpec& in_file_spec, |
| const ArchSpec& arch, |
| const lldb_private::UUID *uuid_ptr, |
| const ConstString *object_name_ptr, |
| off_t object_offset, |
| ModuleSP &module_sp, |
| ModuleSP *old_module_sp_ptr, |
| bool *did_create_ptr, |
| bool always_create |
| ) |
| { |
| ModuleList &shared_module_list = GetSharedModuleList (); |
| Mutex::Locker locker(shared_module_list.m_modules_mutex); |
| char path[PATH_MAX]; |
| char uuid_cstr[64]; |
| |
| Error error; |
| |
| module_sp.reset(); |
| |
| if (did_create_ptr) |
| *did_create_ptr = false; |
| if (old_module_sp_ptr) |
| old_module_sp_ptr->reset(); |
| |
| |
| // First just try and get the file where it purports to be (path in |
| // in_file_spec), then check and uuid. |
| |
| if (in_file_spec) |
| { |
| // Make sure no one else can try and get or create a module while this |
| // function is actively working on it by doing an extra lock on the |
| // global mutex list. |
| if (always_create == false) |
| { |
| ModuleList matching_module_list; |
| const size_t num_matching_modules = shared_module_list.FindModules (&in_file_spec, &arch, NULL, object_name_ptr, matching_module_list); |
| if (num_matching_modules > 0) |
| { |
| for (uint32_t module_idx = 0; module_idx < num_matching_modules; ++module_idx) |
| { |
| module_sp = matching_module_list.GetModuleAtIndex(module_idx); |
| if (uuid_ptr && uuid_ptr->IsValid()) |
| { |
| // We found the module we were looking for. |
| if (module_sp->GetUUID() == *uuid_ptr) |
| return error; |
| } |
| else |
| { |
| // If we didn't have a UUID in mind when looking for the object file, |
| // then we should make sure the modification time hasn't changed! |
| TimeValue file_spec_mod_time(in_file_spec.GetModificationTime()); |
| if (file_spec_mod_time.IsValid()) |
| { |
| if (file_spec_mod_time == module_sp->GetModificationTime()) |
| return error; |
| } |
| } |
| if (old_module_sp_ptr && !old_module_sp_ptr->get()) |
| *old_module_sp_ptr = module_sp; |
| shared_module_list.Remove (module_sp); |
| module_sp.reset(); |
| } |
| } |
| } |
| |
| if (module_sp) |
| return error; |
| else |
| { |
| #if defined ENABLE_MODULE_SP_LOGGING |
| ModuleSP logging_module_sp (new Module (in_file_spec, arch, object_name_ptr, object_offset), ModuleSharedPtrLogger, (void *)ConstString("a.out").GetCString()); |
| module_sp = logging_module_sp; |
| #else |
| module_sp.reset (new Module (in_file_spec, arch, object_name_ptr, object_offset)); |
| #endif |
| // Make sure there are a module and an object file since we can specify |
| // a valid file path with an architecture that might not be in that file. |
| // By getting the object file we can guarantee that the architecture matches |
| if (module_sp && module_sp->GetObjectFile()) |
| { |
| // If we get in here we got the correct arch, now we just need |
| // to verify the UUID if one was given |
| if (uuid_ptr && *uuid_ptr != module_sp->GetUUID()) |
| module_sp.reset(); |
| else |
| { |
| if (did_create_ptr) |
| *did_create_ptr = true; |
| |
| shared_module_list.Append(module_sp); |
| return error; |
| } |
| } |
| } |
| } |
| |
| // Either the file didn't exist where at the path, or no path was given, so |
| // we now have to use more extreme measures to try and find the appropriate |
| // module. |
| |
| // Fixup the incoming path in case the path points to a valid file, yet |
| // the arch or UUID (if one was passed in) don't match. |
| FileSpec file_spec = Symbols::LocateExecutableObjectFile (in_file_spec ? &in_file_spec : NULL, |
| arch.IsValid() ? &arch : NULL, |
| uuid_ptr); |
| |
| // Don't look for the file if it appears to be the same one we already |
| // checked for above... |
| if (file_spec != in_file_spec) |
| { |
| if (!file_spec.Exists()) |
| { |
| file_spec.GetPath(path, sizeof(path)); |
| if (path[0] == '\0') |
| in_file_spec.GetPath(path, sizeof(path)); |
| if (file_spec.Exists()) |
| { |
| if (uuid_ptr && uuid_ptr->IsValid()) |
| uuid_ptr->GetAsCString(uuid_cstr, sizeof (uuid_cstr)); |
| else |
| uuid_cstr[0] = '\0'; |
| |
| |
| if (arch.IsValid()) |
| { |
| if (uuid_cstr[0]) |
| error.SetErrorStringWithFormat("'%s' does not contain the %s architecture and UUID %s", path, arch.GetArchitectureName(), uuid_cstr); |
| else |
| error.SetErrorStringWithFormat("'%s' does not contain the %s architecture.", path, arch.GetArchitectureName()); |
| } |
| } |
| else |
| { |
| error.SetErrorStringWithFormat("'%s' does not exist", path); |
| } |
| if (error.Fail()) |
| module_sp.reset(); |
| return error; |
| } |
| |
| |
| // Make sure no one else can try and get or create a module while this |
| // function is actively working on it by doing an extra lock on the |
| // global mutex list. |
| ModuleList matching_module_list; |
| if (shared_module_list.FindModules (&file_spec, &arch, uuid_ptr, object_name_ptr, matching_module_list) > 0) |
| { |
| module_sp = matching_module_list.GetModuleAtIndex(0); |
| |
| // If we didn't have a UUID in mind when looking for the object file, |
| // then we should make sure the modification time hasn't changed! |
| if (uuid_ptr == NULL) |
| { |
| TimeValue file_spec_mod_time(file_spec.GetModificationTime()); |
| if (file_spec_mod_time.IsValid()) |
| { |
| if (file_spec_mod_time != module_sp->GetModificationTime()) |
| { |
| if (old_module_sp_ptr) |
| *old_module_sp_ptr = module_sp; |
| shared_module_list.Remove (module_sp); |
| module_sp.reset(); |
| } |
| } |
| } |
| } |
| |
| if (module_sp.get() == NULL) |
| { |
| #if defined ENABLE_MODULE_SP_LOGGING |
| ModuleSP logging_module_sp (new Module (file_spec, arch, object_name_ptr, object_offset), ModuleSharedPtrLogger, 0); |
| module_sp = logging_module_sp; |
| #else |
| module_sp.reset (new Module (file_spec, arch, object_name_ptr, object_offset)); |
| #endif |
| // Make sure there are a module and an object file since we can specify |
| // a valid file path with an architecture that might not be in that file. |
| // By getting the object file we can guarantee that the architecture matches |
| if (module_sp && module_sp->GetObjectFile()) |
| { |
| if (did_create_ptr) |
| *did_create_ptr = true; |
| |
| shared_module_list.Append(module_sp); |
| } |
| else |
| { |
| file_spec.GetPath(path, sizeof(path)); |
| |
| if (file_spec) |
| { |
| if (arch.IsValid()) |
| error.SetErrorStringWithFormat("unable to open %s architecture in '%s'", arch.GetArchitectureName(), path); |
| else |
| error.SetErrorStringWithFormat("unable to open '%s'", path); |
| } |
| else |
| { |
| if (uuid_ptr && uuid_ptr->IsValid()) |
| uuid_ptr->GetAsCString(uuid_cstr, sizeof (uuid_cstr)); |
| else |
| uuid_cstr[0] = '\0'; |
| |
| if (uuid_cstr[0]) |
| error.SetErrorStringWithFormat("cannot locate a module for UUID '%s'", uuid_cstr); |
| else |
| error.SetErrorStringWithFormat("cannot locate a module"); |
| } |
| } |
| } |
| } |
| |
| return error; |
| } |
| |
| bool |
| ModuleList::RemoveSharedModule (lldb::ModuleSP &module_sp) |
| { |
| return GetSharedModuleList ().Remove (module_sp); |
| } |
| |
| |