diff options
Diffstat (limited to 'lldb/source/Symbol/ObjectFile.cpp')
| -rw-r--r-- | lldb/source/Symbol/ObjectFile.cpp | 1142 |
1 files changed, 561 insertions, 581 deletions
diff --git a/lldb/source/Symbol/ObjectFile.cpp b/lldb/source/Symbol/ObjectFile.cpp index 18da7ef..fd233cc 100644 --- a/lldb/source/Symbol/ObjectFile.cpp +++ b/lldb/source/Symbol/ObjectFile.cpp @@ -7,7 +7,8 @@ // //===----------------------------------------------------------------------===// -#include "lldb/lldb-private.h" +#include "lldb/Symbol/ObjectFile.h" +#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h" #include "lldb/Core/DataBuffer.h" #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/Log.h" @@ -17,653 +18,632 @@ #include "lldb/Core/RegularExpression.h" #include "lldb/Core/Section.h" #include "lldb/Core/Timer.h" -#include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/ObjectContainer.h" #include "lldb/Symbol/SymbolFile.h" #include "lldb/Target/Process.h" -#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h" +#include "lldb/lldb-private.h" using namespace lldb; using namespace lldb_private; ObjectFileSP -ObjectFile::FindPlugin (const lldb::ModuleSP &module_sp, - const FileSpec* file, - lldb::offset_t file_offset, - lldb::offset_t file_size, - DataBufferSP &data_sp, - lldb::offset_t &data_offset) -{ - ObjectFileSP object_file_sp; - - if (module_sp) - { - Timer scoped_timer (LLVM_PRETTY_FUNCTION, - "ObjectFile::FindPlugin (module = %s, file = %p, file_offset = 0x%8.8" PRIx64 ", file_size = 0x%8.8" PRIx64 ")", - module_sp->GetFileSpec().GetPath().c_str(), - static_cast<const void*>(file), - static_cast<uint64_t>(file_offset), - static_cast<uint64_t>(file_size)); - if (file) - { - FileSpec archive_file; - ObjectContainerCreateInstance create_object_container_callback; - - const bool file_exists = file->Exists(); - if (!data_sp) - { - // We have an object name which most likely means we have - // a .o file in a static archive (.a file). Try and see if - // we have a cached archive first without reading any data - // first - if (file_exists && module_sp->GetObjectName()) - { - for (uint32_t idx = 0; (create_object_container_callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(idx)) != nullptr; ++idx) - { - std::unique_ptr<ObjectContainer> object_container_ap(create_object_container_callback(module_sp, data_sp, data_offset, 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; - } - } - // Ok, we didn't find any containers that have a named object, now - // lets read the first 512 bytes from the file so the object file - // and object container plug-ins can use these bytes to see if they - // can parse this file. - if (file_size > 0) - { - data_sp = file->ReadFileContents(file_offset, std::min<size_t>(512, file_size)); - data_offset = 0; - } - } +ObjectFile::FindPlugin(const lldb::ModuleSP &module_sp, const FileSpec *file, + lldb::offset_t file_offset, lldb::offset_t file_size, + DataBufferSP &data_sp, lldb::offset_t &data_offset) { + ObjectFileSP object_file_sp; + + if (module_sp) { + Timer scoped_timer( + LLVM_PRETTY_FUNCTION, + "ObjectFile::FindPlugin (module = %s, file = %p, file_offset = " + "0x%8.8" PRIx64 ", file_size = 0x%8.8" PRIx64 ")", + module_sp->GetFileSpec().GetPath().c_str(), + static_cast<const void *>(file), static_cast<uint64_t>(file_offset), + static_cast<uint64_t>(file_size)); + if (file) { + FileSpec archive_file; + ObjectContainerCreateInstance create_object_container_callback; + + const bool file_exists = file->Exists(); + if (!data_sp) { + // We have an object name which most likely means we have + // a .o file in a static archive (.a file). Try and see if + // we have a cached archive first without reading any data + // first + if (file_exists && module_sp->GetObjectName()) { + for (uint32_t idx = 0; + (create_object_container_callback = + PluginManager::GetObjectContainerCreateCallbackAtIndex( + idx)) != nullptr; + ++idx) { + std::unique_ptr<ObjectContainer> object_container_ap( + create_object_container_callback(module_sp, data_sp, + data_offset, file, file_offset, + file_size)); + + if (object_container_ap.get()) + object_file_sp = object_container_ap->GetObjectFile(file); - if (!data_sp || data_sp->GetByteSize() == 0) - { - // Check for archive file with format "/path/to/archive.a(object.o)" - char path_with_object[PATH_MAX*2]; - module_sp->GetFileSpec().GetPath(path_with_object, sizeof(path_with_object)); - - ConstString archive_object; - const bool must_exist = true; - if (ObjectFile::SplitArchivePathWithObject (path_with_object, archive_file, archive_object, must_exist)) - { - file_size = archive_file.GetByteSize(); - if (file_size > 0) - { - file = &archive_file; - module_sp->SetFileSpecAndObjectName (archive_file, archive_object); - // 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 plugins since we had a name. Also, don't read - // ANY data in case there is data cached in the container plug-ins - // (like BSD archives caching the contained objects within an file). - for (uint32_t idx = 0; (create_object_container_callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(idx)) != nullptr; ++idx) - { - std::unique_ptr<ObjectContainer> object_container_ap(create_object_container_callback(module_sp, data_sp, data_offset, 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 failed to find any cached object files in the container - // plug-ins, so lets read the first 512 bytes and try again below... - data_sp = archive_file.ReadFileContents(file_offset, 512); - } - } - } - - if (data_sp && data_sp->GetByteSize() > 0) - { - // Check if this is a normal object file by iterating through - // all object file plugin instances. - ObjectFileCreateInstance create_object_file_callback; - for (uint32_t idx = 0; (create_object_file_callback = PluginManager::GetObjectFileCreateCallbackAtIndex(idx)) != nullptr; ++idx) - { - object_file_sp.reset (create_object_file_callback(module_sp, data_sp, data_offset, 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. - for (uint32_t idx = 0; (create_object_container_callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(idx)) != nullptr; ++idx) - { - std::unique_ptr<ObjectContainer> object_container_ap(create_object_container_callback(module_sp, data_sp, data_offset, 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; - } + if (object_file_sp.get()) + return object_file_sp; + } + } + // Ok, we didn't find any containers that have a named object, now + // lets read the first 512 bytes from the file so the object file + // and object container plug-ins can use these bytes to see if they + // can parse this file. + if (file_size > 0) { + data_sp = file->ReadFileContents(file_offset, + std::min<size_t>(512, file_size)); + data_offset = 0; + } + } + + if (!data_sp || data_sp->GetByteSize() == 0) { + // Check for archive file with format "/path/to/archive.a(object.o)" + char path_with_object[PATH_MAX * 2]; + module_sp->GetFileSpec().GetPath(path_with_object, + sizeof(path_with_object)); + + ConstString archive_object; + const bool must_exist = true; + if (ObjectFile::SplitArchivePathWithObject( + path_with_object, archive_file, archive_object, must_exist)) { + file_size = archive_file.GetByteSize(); + if (file_size > 0) { + file = &archive_file; + module_sp->SetFileSpecAndObjectName(archive_file, archive_object); + // 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 plugins since we had a name. Also, don't read + // ANY data in case there is data cached in the container plug-ins + // (like BSD archives caching the contained objects within an file). + for (uint32_t idx = 0; + (create_object_container_callback = + PluginManager::GetObjectContainerCreateCallbackAtIndex( + idx)) != nullptr; + ++idx) { + std::unique_ptr<ObjectContainer> object_container_ap( + create_object_container_callback(module_sp, data_sp, + data_offset, 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 failed to find any cached object files in the container + // plug-ins, so lets read the first 512 bytes and try again below... + data_sp = archive_file.ReadFileContents(file_offset, 512); + } } - } - // 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; -} - -ObjectFileSP -ObjectFile::FindPlugin (const lldb::ModuleSP &module_sp, - const ProcessSP &process_sp, - lldb::addr_t header_addr, - DataBufferSP &data_sp) -{ - ObjectFileSP object_file_sp; - - if (module_sp) - { - Timer scoped_timer (LLVM_PRETTY_FUNCTION, - "ObjectFile::FindPlugin (module = %s, process = %p, header_addr = 0x%" PRIx64 ")", - module_sp->GetFileSpec().GetPath().c_str(), - static_cast<void*>(process_sp.get()), header_addr); - uint32_t idx; + } + if (data_sp && data_sp->GetByteSize() > 0) { // Check if this is a normal object file by iterating through // all object file plugin instances. - ObjectFileCreateMemoryInstance create_callback; - for (idx = 0; (create_callback = PluginManager::GetObjectFileCreateMemoryCallbackAtIndex(idx)) != nullptr; ++idx) - { - object_file_sp.reset (create_callback(module_sp, data_sp, process_sp, header_addr)); - if (object_file_sp.get()) - return object_file_sp; + ObjectFileCreateInstance create_object_file_callback; + for (uint32_t idx = 0; + (create_object_file_callback = + PluginManager::GetObjectFileCreateCallbackAtIndex(idx)) != + nullptr; + ++idx) { + object_file_sp.reset(create_object_file_callback( + module_sp, data_sp, data_offset, file, file_offset, file_size)); + 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; -} -size_t -ObjectFile::GetModuleSpecifications (const FileSpec &file, - lldb::offset_t file_offset, - lldb::offset_t file_size, - ModuleSpecList &specs) -{ - DataBufferSP data_sp (file.ReadFileContents(file_offset, 512)); - if (data_sp) - { - if (file_size == 0) - { - const lldb::offset_t actual_file_size = file.GetByteSize(); - if (actual_file_size > file_offset) - file_size = actual_file_size - file_offset; + // 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. + for (uint32_t idx = 0; + (create_object_container_callback = + PluginManager::GetObjectContainerCreateCallbackAtIndex( + idx)) != nullptr; + ++idx) { + std::unique_ptr<ObjectContainer> object_container_ap( + create_object_container_callback(module_sp, data_sp, data_offset, + 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; } - return ObjectFile::GetModuleSpecifications (file, // file spec - data_sp, // data bytes - 0, // data offset - file_offset,// file offset - file_size, // file length - specs); + } } - return 0; + } + // 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; } -size_t -ObjectFile::GetModuleSpecifications (const lldb_private::FileSpec& file, - lldb::DataBufferSP& data_sp, - lldb::offset_t data_offset, - lldb::offset_t file_offset, - lldb::offset_t file_size, - lldb_private::ModuleSpecList &specs) -{ - const size_t initial_count = specs.GetSize(); - ObjectFileGetModuleSpecifications callback; - uint32_t i; - // Try the ObjectFile plug-ins - for (i = 0; (callback = PluginManager::GetObjectFileGetModuleSpecificationsCallbackAtIndex(i)) != nullptr; ++i) - { - if (callback (file, data_sp, data_offset, file_offset, file_size, specs) > 0) - return specs.GetSize() - initial_count; +ObjectFileSP ObjectFile::FindPlugin(const lldb::ModuleSP &module_sp, + const ProcessSP &process_sp, + lldb::addr_t header_addr, + DataBufferSP &data_sp) { + ObjectFileSP object_file_sp; + + if (module_sp) { + Timer scoped_timer(LLVM_PRETTY_FUNCTION, "ObjectFile::FindPlugin (module = " + "%s, process = %p, header_addr = " + "0x%" PRIx64 ")", + module_sp->GetFileSpec().GetPath().c_str(), + static_cast<void *>(process_sp.get()), header_addr); + uint32_t idx; + + // Check if this is a normal object file by iterating through + // all object file plugin instances. + ObjectFileCreateMemoryInstance create_callback; + for (idx = 0; + (create_callback = + PluginManager::GetObjectFileCreateMemoryCallbackAtIndex(idx)) != + nullptr; + ++idx) { + object_file_sp.reset( + create_callback(module_sp, data_sp, process_sp, header_addr)); + if (object_file_sp.get()) + return object_file_sp; } + } - // Try the ObjectContainer plug-ins - for (i = 0; (callback = PluginManager::GetObjectContainerGetModuleSpecificationsCallbackAtIndex(i)) != nullptr; ++i) - { - if (callback (file, data_sp, data_offset, file_offset, file_size, specs) > 0) - return specs.GetSize() - initial_count; - } - return 0; + // 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 (const lldb::ModuleSP &module_sp, - const FileSpec *file_spec_ptr, - lldb::offset_t file_offset, - lldb::offset_t length, - const lldb::DataBufferSP& data_sp, - lldb::offset_t data_offset) : - ModuleChild (module_sp), - m_file (), // This file could be different from the original module's file - m_type (eTypeInvalid), - m_strata (eStrataInvalid), - m_file_offset (file_offset), - m_length (length), - m_data (), - m_unwind_table (*this), - m_process_wp(), - m_memory_addr (LLDB_INVALID_ADDRESS), - m_sections_ap(), - m_symtab_ap (), - m_synthetic_symbol_idx (0) -{ - if (file_spec_ptr) - m_file = *file_spec_ptr; - if (data_sp) - m_data.SetData (data_sp, data_offset, length); - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - log->Printf ("%p ObjectFile::ObjectFile() module = %p (%s), file = %s, file_offset = 0x%8.8" PRIx64 ", size = %" PRIu64, - static_cast<void*>(this), - static_cast<void*>(module_sp.get()), - module_sp->GetSpecificationDescription().c_str(), - m_file ? m_file.GetPath().c_str() : "<NULL>", - m_file_offset, m_length); +size_t ObjectFile::GetModuleSpecifications(const FileSpec &file, + lldb::offset_t file_offset, + lldb::offset_t file_size, + ModuleSpecList &specs) { + DataBufferSP data_sp(file.ReadFileContents(file_offset, 512)); + if (data_sp) { + if (file_size == 0) { + const lldb::offset_t actual_file_size = file.GetByteSize(); + if (actual_file_size > file_offset) + file_size = actual_file_size - file_offset; + } + return ObjectFile::GetModuleSpecifications(file, // file spec + data_sp, // data bytes + 0, // data offset + file_offset, // file offset + file_size, // file length + specs); + } + return 0; } - -ObjectFile::ObjectFile (const lldb::ModuleSP &module_sp, - const ProcessSP &process_sp, - lldb::addr_t header_addr, - DataBufferSP& header_data_sp) : - ModuleChild (module_sp), - m_file (), - m_type (eTypeInvalid), - m_strata (eStrataInvalid), - m_file_offset (0), - m_length (0), - m_data (), - m_unwind_table (*this), - m_process_wp (process_sp), - m_memory_addr (header_addr), - m_sections_ap(), - m_symtab_ap (), - m_synthetic_symbol_idx (0) -{ - if (header_data_sp) - m_data.SetData (header_data_sp, 0, header_data_sp->GetByteSize()); - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - log->Printf ("%p ObjectFile::ObjectFile() module = %p (%s), process = %p, header_addr = 0x%" PRIx64, - static_cast<void*>(this), - static_cast<void*>(module_sp.get()), - module_sp->GetSpecificationDescription().c_str(), - static_cast<void*>(process_sp.get()), m_memory_addr); +size_t ObjectFile::GetModuleSpecifications( + const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp, + lldb::offset_t data_offset, lldb::offset_t file_offset, + lldb::offset_t file_size, lldb_private::ModuleSpecList &specs) { + const size_t initial_count = specs.GetSize(); + ObjectFileGetModuleSpecifications callback; + uint32_t i; + // Try the ObjectFile plug-ins + for (i = 0; + (callback = + PluginManager::GetObjectFileGetModuleSpecificationsCallbackAtIndex( + i)) != nullptr; + ++i) { + if (callback(file, data_sp, data_offset, file_offset, file_size, specs) > 0) + return specs.GetSize() - initial_count; + } + + // Try the ObjectContainer plug-ins + for (i = 0; + (callback = PluginManager:: + GetObjectContainerGetModuleSpecificationsCallbackAtIndex(i)) != + nullptr; + ++i) { + if (callback(file, data_sp, data_offset, file_offset, file_size, specs) > 0) + return specs.GetSize() - initial_count; + } + return 0; } +ObjectFile::ObjectFile(const lldb::ModuleSP &module_sp, + const FileSpec *file_spec_ptr, + lldb::offset_t file_offset, lldb::offset_t length, + const lldb::DataBufferSP &data_sp, + lldb::offset_t data_offset) + : ModuleChild(module_sp), + m_file(), // This file could be different from the original module's file + m_type(eTypeInvalid), m_strata(eStrataInvalid), + m_file_offset(file_offset), m_length(length), m_data(), + m_unwind_table(*this), m_process_wp(), + m_memory_addr(LLDB_INVALID_ADDRESS), m_sections_ap(), m_symtab_ap(), + m_synthetic_symbol_idx(0) { + if (file_spec_ptr) + m_file = *file_spec_ptr; + if (data_sp) + m_data.SetData(data_sp, data_offset, length); + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT)); + if (log) + log->Printf("%p ObjectFile::ObjectFile() module = %p (%s), file = %s, " + "file_offset = 0x%8.8" PRIx64 ", size = %" PRIu64, + static_cast<void *>(this), static_cast<void *>(module_sp.get()), + module_sp->GetSpecificationDescription().c_str(), + m_file ? m_file.GetPath().c_str() : "<NULL>", m_file_offset, + m_length); +} -ObjectFile::~ObjectFile() -{ - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - log->Printf ("%p ObjectFile::~ObjectFile ()\n", - static_cast<void*>(this)); +ObjectFile::ObjectFile(const lldb::ModuleSP &module_sp, + const ProcessSP &process_sp, lldb::addr_t header_addr, + DataBufferSP &header_data_sp) + : ModuleChild(module_sp), m_file(), m_type(eTypeInvalid), + m_strata(eStrataInvalid), m_file_offset(0), m_length(0), m_data(), + m_unwind_table(*this), m_process_wp(process_sp), + m_memory_addr(header_addr), m_sections_ap(), m_symtab_ap(), + m_synthetic_symbol_idx(0) { + if (header_data_sp) + m_data.SetData(header_data_sp, 0, header_data_sp->GetByteSize()); + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT)); + if (log) + log->Printf("%p ObjectFile::ObjectFile() module = %p (%s), process = %p, " + "header_addr = 0x%" PRIx64, + static_cast<void *>(this), static_cast<void *>(module_sp.get()), + module_sp->GetSpecificationDescription().c_str(), + static_cast<void *>(process_sp.get()), m_memory_addr); } -bool -ObjectFile::SetModulesArchitecture (const ArchSpec &new_arch) -{ - ModuleSP module_sp (GetModule()); - if (module_sp) - return module_sp->SetArchitecture (new_arch); - return false; +ObjectFile::~ObjectFile() { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT)); + if (log) + log->Printf("%p ObjectFile::~ObjectFile ()\n", static_cast<void *>(this)); } -AddressClass -ObjectFile::GetAddressClass (addr_t file_addr) -{ - Symtab *symtab = GetSymtab(); - if (symtab) - { - Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr); - if (symbol) - { - if (symbol->ValueIsAddress()) - { - const SectionSP section_sp (symbol->GetAddressRef().GetSection()); - if (section_sp) - { - const SectionType section_type = section_sp->GetType(); - switch (section_type) - { - case eSectionTypeInvalid: - return eAddressClassUnknown; - case eSectionTypeCode: - return eAddressClassCode; - case eSectionTypeContainer: - return eAddressClassUnknown; - case eSectionTypeData: - case eSectionTypeDataCString: - case eSectionTypeDataCStringPointers: - case eSectionTypeDataSymbolAddress: - case eSectionTypeData4: - case eSectionTypeData8: - case eSectionTypeData16: - case eSectionTypeDataPointers: - case eSectionTypeZeroFill: - case eSectionTypeDataObjCMessageRefs: - case eSectionTypeDataObjCCFStrings: - case eSectionTypeGoSymtab: - return eAddressClassData; - case eSectionTypeDebug: - case eSectionTypeDWARFDebugAbbrev: - case eSectionTypeDWARFDebugAddr: - case eSectionTypeDWARFDebugAranges: - case eSectionTypeDWARFDebugFrame: - case eSectionTypeDWARFDebugInfo: - case eSectionTypeDWARFDebugLine: - case eSectionTypeDWARFDebugLoc: - case eSectionTypeDWARFDebugMacInfo: - case eSectionTypeDWARFDebugMacro: - case eSectionTypeDWARFDebugPubNames: - case eSectionTypeDWARFDebugPubTypes: - case eSectionTypeDWARFDebugRanges: - case eSectionTypeDWARFDebugStr: - case eSectionTypeDWARFDebugStrOffsets: - case eSectionTypeDWARFAppleNames: - case eSectionTypeDWARFAppleTypes: - case eSectionTypeDWARFAppleNamespaces: - case eSectionTypeDWARFAppleObjC: - return eAddressClassDebug; - case eSectionTypeEHFrame: - case eSectionTypeARMexidx: - case eSectionTypeARMextab: - case eSectionTypeCompactUnwind: - return eAddressClassRuntime; - case eSectionTypeELFSymbolTable: - case eSectionTypeELFDynamicSymbols: - case eSectionTypeELFRelocationEntries: - case eSectionTypeELFDynamicLinkInfo: - case eSectionTypeOther: - return eAddressClassUnknown; - case eSectionTypeAbsoluteAddress: - // In case of absolute sections decide the address class based on the symbol - // type because the section type isn't specify if it is a code or a data - // section. - break; - } - } - } +bool ObjectFile::SetModulesArchitecture(const ArchSpec &new_arch) { + ModuleSP module_sp(GetModule()); + if (module_sp) + return module_sp->SetArchitecture(new_arch); + return false; +} - const SymbolType symbol_type = symbol->GetType(); - switch (symbol_type) - { - case eSymbolTypeAny: return eAddressClassUnknown; - case eSymbolTypeAbsolute: return eAddressClassUnknown; - case eSymbolTypeCode: return eAddressClassCode; - case eSymbolTypeTrampoline: return eAddressClassCode; - case eSymbolTypeResolver: 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; - case eSymbolTypeObjCClass: return eAddressClassRuntime; - case eSymbolTypeObjCMetaClass: return eAddressClassRuntime; - case eSymbolTypeObjCIVar: return eAddressClassRuntime; - case eSymbolTypeReExported: return eAddressClassRuntime; - } +AddressClass ObjectFile::GetAddressClass(addr_t file_addr) { + Symtab *symtab = GetSymtab(); + if (symtab) { + Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr); + if (symbol) { + if (symbol->ValueIsAddress()) { + const SectionSP section_sp(symbol->GetAddressRef().GetSection()); + if (section_sp) { + const SectionType section_type = section_sp->GetType(); + switch (section_type) { + case eSectionTypeInvalid: + return eAddressClassUnknown; + case eSectionTypeCode: + return eAddressClassCode; + case eSectionTypeContainer: + return eAddressClassUnknown; + case eSectionTypeData: + case eSectionTypeDataCString: + case eSectionTypeDataCStringPointers: + case eSectionTypeDataSymbolAddress: + case eSectionTypeData4: + case eSectionTypeData8: + case eSectionTypeData16: + case eSectionTypeDataPointers: + case eSectionTypeZeroFill: + case eSectionTypeDataObjCMessageRefs: + case eSectionTypeDataObjCCFStrings: + case eSectionTypeGoSymtab: + return eAddressClassData; + case eSectionTypeDebug: + case eSectionTypeDWARFDebugAbbrev: + case eSectionTypeDWARFDebugAddr: + case eSectionTypeDWARFDebugAranges: + case eSectionTypeDWARFDebugFrame: + case eSectionTypeDWARFDebugInfo: + case eSectionTypeDWARFDebugLine: + case eSectionTypeDWARFDebugLoc: + case eSectionTypeDWARFDebugMacInfo: + case eSectionTypeDWARFDebugMacro: + case eSectionTypeDWARFDebugPubNames: + case eSectionTypeDWARFDebugPubTypes: + case eSectionTypeDWARFDebugRanges: + case eSectionTypeDWARFDebugStr: + case eSectionTypeDWARFDebugStrOffsets: + case eSectionTypeDWARFAppleNames: + case eSectionTypeDWARFAppleTypes: + case eSectionTypeDWARFAppleNamespaces: + case eSectionTypeDWARFAppleObjC: + return eAddressClassDebug; + case eSectionTypeEHFrame: + case eSectionTypeARMexidx: + case eSectionTypeARMextab: + case eSectionTypeCompactUnwind: + return eAddressClassRuntime; + case eSectionTypeELFSymbolTable: + case eSectionTypeELFDynamicSymbols: + case eSectionTypeELFRelocationEntries: + case eSectionTypeELFDynamicLinkInfo: + case eSectionTypeOther: + return eAddressClassUnknown; + case eSectionTypeAbsoluteAddress: + // In case of absolute sections decide the address class based on + // the symbol + // type because the section type isn't specify if it is a code or a + // data + // section. + break; + } } + } + + const SymbolType symbol_type = symbol->GetType(); + switch (symbol_type) { + case eSymbolTypeAny: + return eAddressClassUnknown; + case eSymbolTypeAbsolute: + return eAddressClassUnknown; + case eSymbolTypeCode: + return eAddressClassCode; + case eSymbolTypeTrampoline: + return eAddressClassCode; + case eSymbolTypeResolver: + 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; + case eSymbolTypeObjCClass: + return eAddressClassRuntime; + case eSymbolTypeObjCMetaClass: + return eAddressClassRuntime; + case eSymbolTypeObjCIVar: + return eAddressClassRuntime; + case eSymbolTypeReExported: + return eAddressClassRuntime; + } } - return eAddressClassUnknown; + } + return eAddressClassUnknown; } -DataBufferSP -ObjectFile::ReadMemory (const ProcessSP &process_sp, lldb::addr_t addr, size_t byte_size) -{ - DataBufferSP data_sp; - if (process_sp) - { - std::unique_ptr<DataBufferHeap> data_ap (new DataBufferHeap (byte_size, 0)); - Error error; - const size_t bytes_read = process_sp->ReadMemory (addr, - data_ap->GetBytes(), - data_ap->GetByteSize(), - error); - if (bytes_read == byte_size) - data_sp.reset (data_ap.release()); - } - return data_sp; +DataBufferSP ObjectFile::ReadMemory(const ProcessSP &process_sp, + lldb::addr_t addr, size_t byte_size) { + DataBufferSP data_sp; + if (process_sp) { + std::unique_ptr<DataBufferHeap> data_ap(new DataBufferHeap(byte_size, 0)); + Error error; + const size_t bytes_read = process_sp->ReadMemory( + addr, data_ap->GetBytes(), data_ap->GetByteSize(), error); + if (bytes_read == byte_size) + data_sp.reset(data_ap.release()); + } + return data_sp; } -size_t -ObjectFile::GetData (lldb::offset_t offset, size_t length, DataExtractor &data) const -{ - // The entire file has already been mmap'ed into m_data, so just copy from there - // as the back mmap buffer will be shared with shared pointers. - return data.SetData (m_data, offset, length); +size_t ObjectFile::GetData(lldb::offset_t offset, size_t length, + DataExtractor &data) const { + // The entire file has already been mmap'ed into m_data, so just copy from + // there + // as the back mmap buffer will be shared with shared pointers. + return data.SetData(m_data, offset, length); } -size_t -ObjectFile::CopyData (lldb::offset_t offset, size_t length, void *dst) const -{ - // The entire file has already been mmap'ed into m_data, so just copy from there - // Note that the data remains in target byte order. - return m_data.CopyData (offset, length, dst); +size_t ObjectFile::CopyData(lldb::offset_t offset, size_t length, + void *dst) const { + // The entire file has already been mmap'ed into m_data, so just copy from + // there + // Note that the data remains in target byte order. + return m_data.CopyData(offset, length, dst); } - -size_t -ObjectFile::ReadSectionData (const Section *section, lldb::offset_t section_offset, void *dst, size_t dst_len) const -{ - assert(section); - section_offset *= section->GetTargetByteSize(); - - // If some other objectfile owns this data, pass this to them. - if (section->GetObjectFile() != this) - return section->GetObjectFile()->ReadSectionData (section, section_offset, dst, dst_len); - - if (IsInMemory()) - { - ProcessSP process_sp (m_process_wp.lock()); - if (process_sp) - { - Error error; - const addr_t base_load_addr = section->GetLoadBaseAddress (&process_sp->GetTarget()); - if (base_load_addr != LLDB_INVALID_ADDRESS) - return process_sp->ReadMemory (base_load_addr + section_offset, dst, dst_len, error); - } +size_t ObjectFile::ReadSectionData(const Section *section, + lldb::offset_t section_offset, void *dst, + size_t dst_len) const { + assert(section); + section_offset *= section->GetTargetByteSize(); + + // If some other objectfile owns this data, pass this to them. + if (section->GetObjectFile() != this) + return section->GetObjectFile()->ReadSectionData(section, section_offset, + dst, dst_len); + + if (IsInMemory()) { + ProcessSP process_sp(m_process_wp.lock()); + if (process_sp) { + Error error; + const addr_t base_load_addr = + section->GetLoadBaseAddress(&process_sp->GetTarget()); + if (base_load_addr != LLDB_INVALID_ADDRESS) + return process_sp->ReadMemory(base_load_addr + section_offset, dst, + dst_len, error); } - else - { - const lldb::offset_t section_file_size = section->GetFileSize(); - if (section_offset < section_file_size) - { - const size_t section_bytes_left = section_file_size - section_offset; - size_t section_dst_len = dst_len; - if (section_dst_len > section_bytes_left) - section_dst_len = section_bytes_left; - return CopyData (section->GetFileOffset() + section_offset, section_dst_len, dst); - } - else - { - if (section->GetType() == eSectionTypeZeroFill) - { - const uint64_t section_size = section->GetByteSize(); - const uint64_t section_bytes_left = section_size - section_offset; - uint64_t section_dst_len = dst_len; - if (section_dst_len > section_bytes_left) - section_dst_len = section_bytes_left; - memset(dst, 0, section_dst_len); - return section_dst_len; - } - } + } else { + const lldb::offset_t section_file_size = section->GetFileSize(); + if (section_offset < section_file_size) { + const size_t section_bytes_left = section_file_size - section_offset; + size_t section_dst_len = dst_len; + if (section_dst_len > section_bytes_left) + section_dst_len = section_bytes_left; + return CopyData(section->GetFileOffset() + section_offset, + section_dst_len, dst); + } else { + if (section->GetType() == eSectionTypeZeroFill) { + const uint64_t section_size = section->GetByteSize(); + const uint64_t section_bytes_left = section_size - section_offset; + uint64_t section_dst_len = dst_len; + if (section_dst_len > section_bytes_left) + section_dst_len = section_bytes_left; + memset(dst, 0, section_dst_len); + return section_dst_len; + } } - return 0; + } + return 0; } //---------------------------------------------------------------------- // Get the section data the file on disk //---------------------------------------------------------------------- -size_t -ObjectFile::ReadSectionData (const Section *section, DataExtractor& section_data) const -{ - // If some other objectfile owns this data, pass this to them. - if (section->GetObjectFile() != this) - return section->GetObjectFile()->ReadSectionData (section, section_data); - - if (IsInMemory()) - { - ProcessSP process_sp (m_process_wp.lock()); - if (process_sp) - { - const addr_t base_load_addr = section->GetLoadBaseAddress (&process_sp->GetTarget()); - if (base_load_addr != LLDB_INVALID_ADDRESS) - { - DataBufferSP data_sp (ReadMemory (process_sp, base_load_addr, section->GetByteSize())); - if (data_sp) - { - section_data.SetData (data_sp, 0, data_sp->GetByteSize()); - section_data.SetByteOrder (process_sp->GetByteOrder()); - section_data.SetAddressByteSize (process_sp->GetAddressByteSize()); - return section_data.GetByteSize(); - } - } +size_t ObjectFile::ReadSectionData(const Section *section, + DataExtractor §ion_data) const { + // If some other objectfile owns this data, pass this to them. + if (section->GetObjectFile() != this) + return section->GetObjectFile()->ReadSectionData(section, section_data); + + if (IsInMemory()) { + ProcessSP process_sp(m_process_wp.lock()); + if (process_sp) { + const addr_t base_load_addr = + section->GetLoadBaseAddress(&process_sp->GetTarget()); + if (base_load_addr != LLDB_INVALID_ADDRESS) { + DataBufferSP data_sp( + ReadMemory(process_sp, base_load_addr, section->GetByteSize())); + if (data_sp) { + section_data.SetData(data_sp, 0, data_sp->GetByteSize()); + section_data.SetByteOrder(process_sp->GetByteOrder()); + section_data.SetAddressByteSize(process_sp->GetAddressByteSize()); + return section_data.GetByteSize(); } - return GetData(section->GetFileOffset(), section->GetFileSize(), section_data); - } - else - { - // The object file now contains a full mmap'ed copy of the object file data, so just use this - return MemoryMapSectionData (section, section_data); + } } + return GetData(section->GetFileOffset(), section->GetFileSize(), + section_data); + } else { + // The object file now contains a full mmap'ed copy of the object file data, + // so just use this + return MemoryMapSectionData(section, section_data); + } } -size_t -ObjectFile::MemoryMapSectionData (const Section *section, DataExtractor& section_data) const -{ - // If some other objectfile owns this data, pass this to them. - if (section->GetObjectFile() != this) - return section->GetObjectFile()->MemoryMapSectionData (section, section_data); - - if (IsInMemory()) - { - return ReadSectionData (section, section_data); - } - else - { - // The object file now contains a full mmap'ed copy of the object file data, so just use this - return GetData(section->GetFileOffset(), section->GetFileSize(), section_data); - } +size_t ObjectFile::MemoryMapSectionData(const Section *section, + DataExtractor §ion_data) const { + // If some other objectfile owns this data, pass this to them. + if (section->GetObjectFile() != this) + return section->GetObjectFile()->MemoryMapSectionData(section, + section_data); + + if (IsInMemory()) { + return ReadSectionData(section, section_data); + } else { + // The object file now contains a full mmap'ed copy of the object file data, + // so just use this + return GetData(section->GetFileOffset(), section->GetFileSize(), + section_data); + } } - -bool -ObjectFile::SplitArchivePathWithObject (const char *path_with_object, FileSpec &archive_file, ConstString &archive_object, bool must_exist) -{ - RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$"); - RegularExpression::Match regex_match(2); - if (g_object_regex.Execute (path_with_object, ®ex_match)) - { - std::string path; - std::string obj; - if (regex_match.GetMatchAtIndex (path_with_object, 1, path) && - regex_match.GetMatchAtIndex (path_with_object, 2, obj)) - { - archive_file.SetFile (path.c_str(), false); - archive_object.SetCString(obj.c_str()); - if (must_exist && !archive_file.Exists()) - return false; - return true; - } +bool ObjectFile::SplitArchivePathWithObject(const char *path_with_object, + FileSpec &archive_file, + ConstString &archive_object, + bool must_exist) { + RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$"); + RegularExpression::Match regex_match(2); + if (g_object_regex.Execute(path_with_object, ®ex_match)) { + std::string path; + std::string obj; + if (regex_match.GetMatchAtIndex(path_with_object, 1, path) && + regex_match.GetMatchAtIndex(path_with_object, 2, obj)) { + archive_file.SetFile(path.c_str(), false); + archive_object.SetCString(obj.c_str()); + if (must_exist && !archive_file.Exists()) + return false; + return true; } - return false; + } + return false; } -void -ObjectFile::ClearSymtab () -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - log->Printf ("%p ObjectFile::ClearSymtab () symtab = %p", - static_cast<void*>(this), - static_cast<void*>(m_symtab_ap.get())); - m_symtab_ap.reset(); - } +void ObjectFile::ClearSymtab() { + ModuleSP module_sp(GetModule()); + if (module_sp) { + std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT)); + if (log) + log->Printf("%p ObjectFile::ClearSymtab () symtab = %p", + static_cast<void *>(this), + static_cast<void *>(m_symtab_ap.get())); + m_symtab_ap.reset(); + } } -SectionList * -ObjectFile::GetSectionList(bool update_module_section_list) -{ - if (m_sections_ap.get() == nullptr) - { - if (update_module_section_list) - { - ModuleSP module_sp(GetModule()); - if (module_sp) - { - std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); - CreateSections(*module_sp->GetUnifiedSectionList()); - } - } - else - { - SectionList unified_section_list; - CreateSections(unified_section_list); - } +SectionList *ObjectFile::GetSectionList(bool update_module_section_list) { + if (m_sections_ap.get() == nullptr) { + if (update_module_section_list) { + ModuleSP module_sp(GetModule()); + if (module_sp) { + std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); + CreateSections(*module_sp->GetUnifiedSectionList()); + } + } else { + SectionList unified_section_list; + CreateSections(unified_section_list); } - return m_sections_ap.get(); + } + return m_sections_ap.get(); } lldb::SymbolType -ObjectFile::GetSymbolTypeFromName (llvm::StringRef name, - lldb::SymbolType symbol_type_hint) -{ - if (!name.empty()) - { - if (name.startswith("_OBJC_")) - { - // ObjC - if (name.startswith("_OBJC_CLASS_$_")) - return lldb::eSymbolTypeObjCClass; - if (name.startswith("_OBJC_METACLASS_$_")) - return lldb::eSymbolTypeObjCMetaClass; - if (name.startswith("_OBJC_IVAR_$_")) - return lldb::eSymbolTypeObjCIVar; - } - else if (name.startswith(".objc_class_name_")) - { - // ObjC v1 - return lldb::eSymbolTypeObjCClass; - } +ObjectFile::GetSymbolTypeFromName(llvm::StringRef name, + lldb::SymbolType symbol_type_hint) { + if (!name.empty()) { + if (name.startswith("_OBJC_")) { + // ObjC + if (name.startswith("_OBJC_CLASS_$_")) + return lldb::eSymbolTypeObjCClass; + if (name.startswith("_OBJC_METACLASS_$_")) + return lldb::eSymbolTypeObjCMetaClass; + if (name.startswith("_OBJC_IVAR_$_")) + return lldb::eSymbolTypeObjCIVar; + } else if (name.startswith(".objc_class_name_")) { + // ObjC v1 + return lldb::eSymbolTypeObjCClass; } - return symbol_type_hint; + } + return symbol_type_hint; } -ConstString -ObjectFile::GetNextSyntheticSymbolName() -{ - StreamString ss; - ConstString file_name = GetModule()->GetFileSpec().GetFilename(); - ss.Printf("___lldb_unnamed_symbol%u$$%s", ++m_synthetic_symbol_idx, file_name.GetCString()); - return ConstString(ss.GetData()); +ConstString ObjectFile::GetNextSyntheticSymbolName() { + StreamString ss; + ConstString file_name = GetModule()->GetFileSpec().GetFilename(); + ss.Printf("___lldb_unnamed_symbol%u$$%s", ++m_synthetic_symbol_idx, + file_name.GetCString()); + return ConstString(ss.GetData()); } - |