| //===-- ObjectFile.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-private.h" |
| #include "lldb/lldb-private-log.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Core/RegularExpression.h" |
| #include "lldb/Core/Timer.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Symbol/ObjectContainer.h" |
| #include "lldb/Symbol/SymbolFile.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| ObjectFileSP |
| ObjectFile::FindPlugin (Module* module, const FileSpec* file, addr_t file_offset, addr_t file_size) |
| { |
| Timer scoped_timer (__PRETTY_FUNCTION__, |
| "ObjectFile::FindPlugin (module = %s/%s, file = %p, file_offset = 0x%z8.8x, file_size = 0x%z8.8x)", |
| module->GetFileSpec().GetDirectory().AsCString(), |
| module->GetFileSpec().GetFilename().AsCString(), |
| file, file_offset, file_size); |
| ObjectFileSP object_file_sp; |
| |
| if (module != NULL) |
| { |
| if (file) |
| { |
| if (file_size == 0) |
| file_size = file->GetByteSize(); |
| |
| if (file_size == 0) |
| { |
| // Check for archive file with format "/path/to/archive.a(object.o)" |
| char path_with_object[PATH_MAX*2]; |
| module->GetFileSpec().GetPath(path_with_object, sizeof(path_with_object)); |
| |
| RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$"); |
| if (g_object_regex.Execute (path_with_object, 2)) |
| { |
| FileSpec archive_file; |
| std::string path; |
| std::string object; |
| if (g_object_regex.GetMatchAtIndex (path_with_object, 1, path) && |
| g_object_regex.GetMatchAtIndex (path_with_object, 2, object)) |
| { |
| archive_file.SetFile (path.c_str(), false); |
| file_size = archive_file.GetByteSize(); |
| if (file_size > 0) |
| module->SetFileSpecAndObjectName (archive_file, ConstString(object.c_str())); |
| } |
| } |
| } |
| |
| // No need to delegate further if (file_offset, file_size) exceeds the total file size. |
| // This is the base case. |
| // if (file_offset + file_size > file->GetByteSize()) |
| // return NULL; |
| |
| DataBufferSP file_header_data_sp(file->ReadFileContents(file_offset, 512)); |
| uint32_t idx; |
| |
| // Check if this is a normal object file by iterating through |
| // all object file plugin instances. |
| ObjectFileCreateInstance create_object_file_callback; |
| for (idx = 0; (create_object_file_callback = PluginManager::GetObjectFileCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| { |
| object_file_sp.reset (create_object_file_callback(module, file_header_data_sp, file, file_offset, file_size)); |
| if (object_file_sp.get()) |
| return object_file_sp; |
| } |
| |
| // Check if this is a object container by iterating through |
| // all object container plugin instances and then trying to get |
| // an object file from the container. |
| ObjectContainerCreateInstance create_object_container_callback; |
| for (idx = 0; (create_object_container_callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| { |
| std::auto_ptr<ObjectContainer> object_container_ap(create_object_container_callback(module, file_header_data_sp, file, file_offset, file_size)); |
| |
| if (object_container_ap.get()) |
| object_file_sp = object_container_ap->GetObjectFile(file); |
| |
| if (object_file_sp.get()) |
| return object_file_sp; |
| } |
| } |
| } |
| // We didn't find it, so clear our shared pointer in case it |
| // contains anything and return an empty shared pointer |
| object_file_sp.reset(); |
| return object_file_sp; |
| } |
| |
| ObjectFile::ObjectFile (Module* module, |
| const FileSpec *file_spec_ptr, |
| addr_t offset, |
| addr_t length, |
| DataBufferSP& headerDataSP) : |
| ModuleChild (module), |
| m_file (), // This file could be different from the original module's file |
| m_type (eTypeInvalid), |
| m_strata (eStrataInvalid), |
| m_offset (offset), |
| m_length (length), |
| m_data (headerDataSP, endian::InlHostByteOrder(), 4), |
| m_unwind_table (*this) |
| { |
| if (file_spec_ptr) |
| m_file = *file_spec_ptr; |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| { |
| if (m_file) |
| { |
| log->Printf ("%p ObjectFile::ObjectFile () module = %s/%s, file = %s/%s, offset = 0x%8.8llx, size = %llu\n", |
| this, |
| m_module->GetFileSpec().GetDirectory().AsCString(), |
| m_module->GetFileSpec().GetFilename().AsCString(), |
| m_file.GetDirectory().AsCString(), |
| m_file.GetFilename().AsCString(), |
| m_offset, |
| m_length); |
| } |
| else |
| { |
| log->Printf ("%p ObjectFile::ObjectFile () module = %s/%s, file = <NULL>, offset = 0x%8.8llx, size = %llu\n", |
| this, |
| m_module->GetFileSpec().GetDirectory().AsCString(), |
| m_module->GetFileSpec().GetFilename().AsCString(), |
| m_offset, |
| m_length); |
| } |
| } |
| } |
| |
| ObjectFile::~ObjectFile() |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| { |
| if (m_file) |
| { |
| log->Printf ("%p ObjectFile::~ObjectFile () module = %s/%s, file = %s/%s, offset = 0x%8.8llx, size = %llu\n", |
| this, |
| m_module->GetFileSpec().GetDirectory().AsCString(), |
| m_module->GetFileSpec().GetFilename().AsCString(), |
| m_file.GetDirectory().AsCString(), |
| m_file.GetFilename().AsCString(), |
| m_offset, |
| m_length); |
| } |
| else |
| { |
| log->Printf ("%p ObjectFile::~ObjectFile () module = %s/%s, file = <NULL>, offset = 0x%8.8llx, size = %llu\n", |
| this, |
| m_module->GetFileSpec().GetDirectory().AsCString(), |
| m_module->GetFileSpec().GetFilename().AsCString(), |
| m_offset, |
| m_length); |
| } |
| } |
| } |
| |
| bool |
| ObjectFile::SetModulesArchitecture (const ArchSpec &new_arch) |
| { |
| return m_module->SetArchitecture (new_arch); |
| } |
| |
| AddressClass |
| ObjectFile::GetAddressClass (addr_t file_addr) |
| { |
| Symtab *symtab = GetSymtab(); |
| if (symtab) |
| { |
| Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr); |
| if (symbol) |
| { |
| const AddressRange *range_ptr = symbol->GetAddressRangePtr(); |
| if (range_ptr) |
| { |
| const Section *section = range_ptr->GetBaseAddress().GetSection(); |
| if (section) |
| { |
| const SectionType section_type = section->GetType(); |
| switch (section_type) |
| { |
| case eSectionTypeInvalid: return eAddressClassUnknown; |
| case eSectionTypeCode: return eAddressClassCode; |
| case eSectionTypeContainer: return eAddressClassUnknown; |
| case eSectionTypeData: return eAddressClassData; |
| case eSectionTypeDataCString: return eAddressClassData; |
| case eSectionTypeDataCStringPointers: return eAddressClassData; |
| case eSectionTypeDataSymbolAddress: return eAddressClassData; |
| case eSectionTypeData4: return eAddressClassData; |
| case eSectionTypeData8: return eAddressClassData; |
| case eSectionTypeData16: return eAddressClassData; |
| case eSectionTypeDataPointers: return eAddressClassData; |
| case eSectionTypeZeroFill: return eAddressClassData; |
| case eSectionTypeDataObjCMessageRefs: return eAddressClassData; |
| case eSectionTypeDataObjCCFStrings: return eAddressClassData; |
| case eSectionTypeDebug: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugAbbrev: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugAranges: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugFrame: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugInfo: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugLine: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugLoc: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugMacInfo: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugPubNames: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugPubTypes: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugRanges: return eAddressClassDebug; |
| case eSectionTypeDWARFDebugStr: return eAddressClassDebug; |
| case eSectionTypeDWARFAppleNames: return eAddressClassDebug; |
| case eSectionTypeDWARFAppleTypes: return eAddressClassDebug; |
| case eSectionTypeDWARFAppleNamespaces: return eAddressClassDebug; |
| case eSectionTypeEHFrame: return eAddressClassRuntime; |
| case eSectionTypeOther: return eAddressClassUnknown; |
| } |
| } |
| } |
| |
| const SymbolType symbol_type = symbol->GetType(); |
| switch (symbol_type) |
| { |
| case eSymbolTypeAny: return eAddressClassUnknown; |
| case eSymbolTypeAbsolute: return eAddressClassUnknown; |
| case eSymbolTypeExtern: return eAddressClassUnknown; |
| case eSymbolTypeCode: return eAddressClassCode; |
| case eSymbolTypeTrampoline: return eAddressClassCode; |
| case eSymbolTypeData: return eAddressClassData; |
| case eSymbolTypeRuntime: return eAddressClassRuntime; |
| case eSymbolTypeException: return eAddressClassRuntime; |
| case eSymbolTypeSourceFile: return eAddressClassDebug; |
| case eSymbolTypeHeaderFile: return eAddressClassDebug; |
| case eSymbolTypeObjectFile: return eAddressClassDebug; |
| case eSymbolTypeCommonBlock: return eAddressClassDebug; |
| case eSymbolTypeBlock: return eAddressClassDebug; |
| case eSymbolTypeLocal: return eAddressClassData; |
| case eSymbolTypeParam: return eAddressClassData; |
| case eSymbolTypeVariable: return eAddressClassData; |
| case eSymbolTypeVariableType: return eAddressClassDebug; |
| case eSymbolTypeLineEntry: return eAddressClassDebug; |
| case eSymbolTypeLineHeader: return eAddressClassDebug; |
| case eSymbolTypeScopeBegin: return eAddressClassDebug; |
| case eSymbolTypeScopeEnd: return eAddressClassDebug; |
| case eSymbolTypeAdditional: return eAddressClassUnknown; |
| case eSymbolTypeCompiler: return eAddressClassDebug; |
| case eSymbolTypeInstrumentation:return eAddressClassDebug; |
| case eSymbolTypeUndefined: return eAddressClassUnknown; |
| } |
| } |
| } |
| return eAddressClassUnknown; |
| } |
| |
| ObjectFileSP |
| ObjectFile::GetSP () |
| { |
| // This object contains an instrusive ref count base class so we can |
| // easily make a shared pointer to this object |
| return ObjectFileSP (this); |
| } |
| |
| |