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//===-- ObjectContainerBSDArchive.h -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ObjectContainerBSDArchive_h_
#define liblldb_ObjectContainerBSDArchive_h_
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Symbol/ObjectContainer.h"
#include "lldb/Core/ArchSpec.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/Core/UniqueCStringMap.h"
#include "lldb/Host/TimeValue.h"
class ObjectContainerBSDArchive :
public lldb_private::ObjectContainer
{
public:
ObjectContainerBSDArchive(const lldb::ModuleSP &module_sp,
lldb::DataBufferSP& data_sp,
lldb::offset_t data_offset,
const lldb_private::FileSpec *file,
lldb::offset_t offset,
lldb::offset_t length);
~ObjectContainerBSDArchive() override;
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
static void
Initialize();
static void
Terminate();
static lldb_private::ConstString
GetPluginNameStatic();
static const char *
GetPluginDescriptionStatic();
static lldb_private::ObjectContainer *
CreateInstance (const lldb::ModuleSP &module_sp,
lldb::DataBufferSP& data_sp,
lldb::offset_t data_offset,
const lldb_private::FileSpec *file,
lldb::offset_t offset,
lldb::offset_t length);
static size_t
GetModuleSpecifications (const lldb_private::FileSpec& file,
lldb::DataBufferSP& data_sp,
lldb::offset_t data_offset,
lldb::offset_t file_offset,
lldb::offset_t length,
lldb_private::ModuleSpecList &specs);
static bool
MagicBytesMatch (const lldb_private::DataExtractor &data);
//------------------------------------------------------------------
// Member Functions
//------------------------------------------------------------------
bool
ParseHeader() override;
size_t
GetNumObjects() const override
{
if (m_archive_sp)
return m_archive_sp->GetNumObjects();
return 0;
}
void
Dump(lldb_private::Stream *s) const override;
lldb::ObjectFileSP
GetObjectFile(const lldb_private::FileSpec *file) override;
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
lldb_private::ConstString
GetPluginName() override;
uint32_t
GetPluginVersion() override;
protected:
struct Object
{
Object();
void
Clear();
lldb::offset_t
Extract (const lldb_private::DataExtractor& data, lldb::offset_t offset);
lldb_private::ConstString ar_name; // name
uint32_t ar_date; // modification time
uint16_t ar_uid; // user id
uint16_t ar_gid; // group id
uint16_t ar_mode; // octal file permissions
uint32_t ar_size; // size in bytes
lldb::offset_t ar_file_offset; // file offset in bytes from the beginning of the file of the object data
lldb::offset_t ar_file_size; // length of the object data
typedef std::vector<Object> collection;
typedef collection::iterator iterator;
typedef collection::const_iterator const_iterator;
};
class Archive
{
public:
typedef std::shared_ptr<Archive> shared_ptr;
typedef std::multimap<lldb_private::FileSpec, shared_ptr> Map;
Archive(const lldb_private::ArchSpec &arch,
const lldb_private::TimeValue &mod_time,
lldb::offset_t file_offset,
lldb_private::DataExtractor &data);
~Archive();
static Map &
GetArchiveCache ();
static lldb_private::Mutex &
GetArchiveCacheMutex ();
static Archive::shared_ptr
FindCachedArchive (const lldb_private::FileSpec &file,
const lldb_private::ArchSpec &arch,
const lldb_private::TimeValue &mod_time,
lldb::offset_t file_offset);
static Archive::shared_ptr
ParseAndCacheArchiveForFile (const lldb_private::FileSpec &file,
const lldb_private::ArchSpec &arch,
const lldb_private::TimeValue &mod_time,
lldb::offset_t file_offset,
lldb_private::DataExtractor &data);
size_t
GetNumObjects () const
{
return m_objects.size();
}
const Object *
GetObjectAtIndex (size_t idx)
{
if (idx < m_objects.size())
return &m_objects[idx];
return NULL;
}
size_t
ParseObjects ();
Object *
FindObject (const lldb_private::ConstString &object_name,
const lldb_private::TimeValue &object_mod_time);
lldb::offset_t
GetFileOffset () const
{
return m_file_offset;
}
const lldb_private::TimeValue &
GetModificationTime()
{
return m_time;
}
const lldb_private::ArchSpec &
GetArchitecture () const
{
return m_arch;
}
void
SetArchitecture (const lldb_private::ArchSpec &arch)
{
m_arch = arch;
}
bool
HasNoExternalReferences() const;
lldb_private::DataExtractor &
GetData ()
{
return m_data;
}
protected:
typedef lldb_private::UniqueCStringMap<uint32_t> ObjectNameToIndexMap;
//----------------------------------------------------------------------
// Member Variables
//----------------------------------------------------------------------
lldb_private::ArchSpec m_arch;
lldb_private::TimeValue m_time;
lldb::offset_t m_file_offset;
Object::collection m_objects;
ObjectNameToIndexMap m_object_name_to_index_map;
lldb_private::DataExtractor m_data; ///< The data for this object container so we don't lose data if the .a files gets modified
};
void
SetArchive (Archive::shared_ptr &archive_sp);
Archive::shared_ptr m_archive_sp;
};
#endif // liblldb_ObjectContainerBSDArchive_h_
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