diff options
Diffstat (limited to 'lldb/source/Symbol/ObjectFile.cpp')
| -rw-r--r-- | lldb/source/Symbol/ObjectFile.cpp | 457 |
1 files changed, 0 insertions, 457 deletions
diff --git a/lldb/source/Symbol/ObjectFile.cpp b/lldb/source/Symbol/ObjectFile.cpp deleted file mode 100644 index 7469b10e2aee..000000000000 --- a/lldb/source/Symbol/ObjectFile.cpp +++ /dev/null @@ -1,457 +0,0 @@ -//===-- 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/DataBuffer.h" -#include "lldb/Core/DataBufferHeap.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" -#include "lldb/Target/Process.h" - -using namespace lldb; -using namespace lldb_private; - -ObjectFileSP -ObjectFile::FindPlugin (const lldb::ModuleSP &module_sp, const FileSpec* file, addr_t file_offset, addr_t file_size, DataBufferSP &file_data_sp) -{ - ObjectFileSP object_file_sp; - - if (module_sp) - { - Timer scoped_timer (__PRETTY_FUNCTION__, - "ObjectFile::FindPlugin (module = %s/%s, file = %p, file_offset = 0x%z8.8x, file_size = 0x%z8.8x)", - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->GetFileSpec().GetFilename().AsCString(), - file, file_offset, file_size); - if (file) - { - // Memory map the entire file contents - if (!file_data_sp) - { - assert (file_offset == 0); - file_data_sp = file->MemoryMapFileContents(file_offset, file_size); - } - - if (!file_data_sp || file_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)); - - 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_sp->SetFileSpecAndObjectName (archive_file, ConstString(object.c_str())); - file_data_sp = archive_file.MemoryMapFileContents(file_offset, file_size); - } - } - } - } - - if (file_data_sp && file_data_sp->GetByteSize() > 0) - { - 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_sp, file_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_sp, file_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; -} - -ObjectFileSP -ObjectFile::FindPlugin (const lldb::ModuleSP &module_sp, - const ProcessSP &process_sp, - lldb::addr_t header_addr, - DataBufferSP &file_data_sp) -{ - ObjectFileSP object_file_sp; - - if (module_sp) - { - Timer scoped_timer (__PRETTY_FUNCTION__, - "ObjectFile::FindPlugin (module = %s/%s, process = %p, header_addr = 0x%llx)", - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->GetFileSpec().GetFilename().AsCString(), - 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)) != NULL; ++idx) - { - object_file_sp.reset (create_callback(module_sp, file_data_sp, process_sp, header_addr)); - 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 (const lldb::ModuleSP &module_sp, - const FileSpec *file_spec_ptr, - addr_t file_offset, - addr_t file_size, - DataBufferSP& file_data_sp) : - ModuleChild (module_sp), - m_file (), // This file could be different from the original module's file - m_type (eTypeInvalid), - m_strata (eStrataInvalid), - m_offset (file_offset), - m_length (file_size), - m_data (), - m_unwind_table (*this), - m_process_wp(), - m_memory_addr (LLDB_INVALID_ADDRESS) -{ - if (file_spec_ptr) - m_file = *file_spec_ptr; - if (file_data_sp) - m_data.SetData (file_data_sp, file_offset, file_size); - 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, - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->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, - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->GetFileSpec().GetFilename().AsCString(), - m_offset, - m_length); - } - } -} - - -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_offset (header_addr), - m_length (0), - m_data (), - m_unwind_table (*this), - m_process_wp (process_sp), - m_memory_addr (header_addr) -{ - if (header_data_sp) - m_data.SetData (header_data_sp, 0, header_data_sp->GetByteSize()); - LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - { - log->Printf ("%p ObjectFile::ObjectFile () module = %s/%s, process = %p, header_addr = 0x%llx\n", - this, - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->GetFileSpec().GetFilename().AsCString(), - process_sp.get(), - m_offset); - } -} - - -ObjectFile::~ObjectFile() -{ - LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); - if (log) - { - ModuleSP module_sp (GetModule()); - if (m_file) - { - log->Printf ("%p ObjectFile::~ObjectFile () module = %s/%s, file = %s/%s, offset = 0x%8.8llx, size = %llu\n", - this, - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->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, - module_sp->GetFileSpec().GetDirectory().AsCString(), - module_sp->GetFileSpec().GetFilename().AsCString(), - m_offset, - m_length); - } - } -} - -bool -ObjectFile::SetModulesArchitecture (const ArchSpec &new_arch) -{ - ModuleSP module_sp (GetModule()); - if (module_sp) - return module_sp->SetArchitecture (new_arch); - return false; -} - -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->GetAddress().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: - return eAddressClassData; - case eSectionTypeDebug: - case eSectionTypeDWARFDebugAbbrev: - case eSectionTypeDWARFDebugAranges: - case eSectionTypeDWARFDebugFrame: - case eSectionTypeDWARFDebugInfo: - case eSectionTypeDWARFDebugLine: - case eSectionTypeDWARFDebugLoc: - case eSectionTypeDWARFDebugMacInfo: - case eSectionTypeDWARFDebugPubNames: - case eSectionTypeDWARFDebugPubTypes: - case eSectionTypeDWARFDebugRanges: - case eSectionTypeDWARFDebugStr: - case eSectionTypeDWARFAppleNames: - case eSectionTypeDWARFAppleTypes: - case eSectionTypeDWARFAppleNamespaces: - case eSectionTypeDWARFAppleObjC: - 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 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; - case eSymbolTypeObjCClass: return eAddressClassRuntime; - case eSymbolTypeObjCMetaClass: return eAddressClassRuntime; - case eSymbolTypeObjCIVar: return eAddressClassRuntime; - } - } - } - return eAddressClassUnknown; -} - -DataBufferSP -ObjectFile::ReadMemory (const ProcessSP &process_sp, lldb::addr_t addr, size_t byte_size) -{ - DataBufferSP data_sp; - if (process_sp) - { - std::auto_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 (off_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 (off_t offset, size_t length, void *dst) const -{ - // The entire file has already been mmap'ed into m_data, so just copy from there - return m_data.CopyByteOrderedData (offset, length, dst, length, lldb::endian::InlHostByteOrder()); -} - - -size_t -ObjectFile::ReadSectionData (const Section *section, off_t section_offset, void *dst, size_t dst_len) const -{ - if (IsInMemory()) - { - ProcessSP process_sp (m_process_wp.lock()); - if (process_sp) - { - Error error; - return process_sp->ReadMemory (section->GetLoadBaseAddress (&process_sp->GetTarget()) + section_offset, dst, dst_len, error); - } - } - else - { - const uint64_t section_file_size = section->GetFileSize(); - if (section_offset < section_file_size) - { - const uint64_t section_bytes_left = section_file_size - section_offset; - uint64_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); - } - } - return 0; -} - -//---------------------------------------------------------------------- -// Get the section data the file on disk -//---------------------------------------------------------------------- -size_t -ObjectFile::ReadSectionData (const Section *section, DataExtractor& section_data) const -{ - if (IsInMemory()) - { - ProcessSP process_sp (m_process_wp.lock()); - if (process_sp) - { - DataBufferSP data_sp (ReadMemory (process_sp, section->GetLoadBaseAddress (&process_sp->GetTarget()), 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(); - } - } - } - 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); - } - section_data.Clear(); - return 0; -} - -size_t -ObjectFile::MemoryMapSectionData (const Section *section, DataExtractor& section_data) const -{ - 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); - } - section_data.Clear(); - return 0; -} - |