#include <AppleObjCClassDescriptorV2.h>

Inheritance diagram for lldb_private::ClassDescriptorV2:

Classes
struct	class_ro_t

struct	class_rw_t

struct	ivar_list_t

struct	ivar_t

class	iVarsStorage

struct	method_list_t

struct	method_t

struct	objc_class_t

struct	relative_list_entry_t

struct	relative_list_list_t

Public Member Functions
	~ClassDescriptorV2 () override=default

ConstString	GetClassName () override

ObjCLanguageRuntime::ClassDescriptorSP	GetSuperclass () override

ObjCLanguageRuntime::ClassDescriptorSP	GetMetaclass () const override

bool	IsValid () override

lldb::LanguageType	GetImplementationLanguage () const override
	Determine whether this class is implemented in Swift.

bool	GetTaggedPointerInfo (uint64_t info_bits=nullptr, uint64_t value_bits=nullptr, uint64_t *payload=nullptr) override
	There are two routines in the ObjC runtime that tagged pointer clients can call to get the value from their tagged pointer, one that retrieves it as an unsigned value and one a signed value.

bool	GetTaggedPointerInfoSigned (uint64_t info_bits=nullptr, int64_t value_bits=nullptr, uint64_t *payload=nullptr) override

uint64_t	GetInstanceSize () override

ObjCLanguageRuntime::ObjCISA	GetISA () override

bool	Describe (std::function< void(ObjCLanguageRuntime::ObjCISA)> const &superclass_func, std::function< bool(const char , const char )> const &instance_method_func, std::function< bool(const char , const char )> const &class_method_func, std::function< bool(const char , const char , lldb::addr_t, uint64_t)> const &ivar_func) const override

size_t	GetNumIVars () override

iVarDescriptor	GetIVarAtIndex (size_t idx) override

Public Member Functions inherited from lldb_private::ObjCLanguageRuntime::ClassDescriptor
	ClassDescriptor ()

virtual	~ClassDescriptor ()=default

virtual ConstString	GetClassName ()=0

virtual ClassDescriptorSP	GetSuperclass ()=0

virtual ClassDescriptorSP	GetMetaclass () const =0

virtual bool	IsKVO ()

virtual bool	IsCFType ()

virtual lldb::LanguageType	GetImplementationLanguage () const
	Determine whether this class is implemented in Swift.

virtual bool	IsValid ()=0

virtual uint64_t	GetInstanceSize ()=0

virtual bool	CheckPointer (lldb::addr_t value, uint32_t ptr_size) const

virtual ObjCISA	GetISA ()=0

virtual bool	Describe (std::function< void(ObjCISA)> const &superclass_func, std::function< bool(const char , const char )> const &instance_method_func, std::function< bool(const char , const char )> const &class_method_func, std::function< bool(const char , const char , lldb::addr_t, uint64_t)> const &ivar_func) const

lldb::TypeSP	GetType ()

void	SetType (const lldb::TypeSP &type_sp)

virtual size_t	GetNumIVars ()

virtual iVarDescriptor	GetIVarAtIndex (size_t idx)

Protected Member Functions
void	GetIVarInformation ()

Protected Member Functions inherited from lldb_private::ObjCLanguageRuntime::ClassDescriptor
bool	IsPointerValid (lldb::addr_t value, uint32_t ptr_size, bool allow_NULLs=false, bool allow_tagged=false, bool check_version_specific=false) const

Private Member Functions
std::optional< method_list_t >	GetMethodList (Process *process, lldb::addr_t method_list_ptr) const

	ClassDescriptorV2 (AppleObjCRuntimeV2 &runtime, ObjCLanguageRuntime::ObjCISA isa, const char *name)

bool	Read_objc_class (Process *process, std::unique_ptr< objc_class_t > &objc_class) const

bool	Read_class_row (Process *process, const objc_class_t &objc_class, std::unique_ptr< class_ro_t > &class_ro, std::unique_ptr< class_rw_t > &class_rw) const

bool	ProcessMethodList (std::function< bool(const char , const char )> const &instance_method_func, method_list_t &method_list) const

bool	ProcessRelativeMethodLists (std::function< bool(const char , const char )> const &instance_method_func, lldb::addr_t relative_method_list_ptr) const

Private Attributes
AppleObjCRuntimeV2 &	m_runtime

lldb::addr_t	m_objc_class_ptr

ConstString	m_name

iVarsStorage	m_ivars_storage

std::map< uint16_t, std::vector< method_list_t > >	m_image_to_method_lists

std::optional< uint64_t >	m_last_version_updated

Static Private Attributes
static const uint32_t	RW_REALIZED = (1u << 31)

Friends
class	lldb_private::AppleObjCRuntimeV2

Detailed Description

Definition at line 22 of file AppleObjCClassDescriptorV2.h.

Constructor & Destructor Documentation

◆ ~ClassDescriptorV2()

lldb_private::ClassDescriptorV2::~ClassDescriptorV2 ( )

overridedefault

◆ ClassDescriptorV2()

lldb_private::ClassDescriptorV2::ClassDescriptorV2	(	AppleObjCRuntimeV2 &	runtime,
		ObjCLanguageRuntime::ObjCISA	isa,
		const char *	name
	)

inlineprivate

Definition at line 245 of file AppleObjCClassDescriptorV2.h.

Member Function Documentation

◆ Describe()

bool ClassDescriptorV2::Describe	(	std::function< void(ObjCLanguageRuntime::ObjCISA)> const &	superclass_func,
		std::function< bool(const char , const char )> const &	instance_method_func,
		std::function< bool(const char , const char )> const &	class_method_func,
		std::function< bool(const char , const char , lldb::addr_t, uint64_t)> const &	ivar_func
	)		const

override

Definition at line 524 of file AppleObjCClassDescriptorV2.cpp.

Referenced by lldb_private::ClassDescriptorV2::iVarsStorage::fill().

◆ GetClassName()

ConstString ClassDescriptorV2::GetClassName ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 602 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::Runtime::GetProcess(), m_name, m_runtime, Read_class_row(), and Read_objc_class().

Referenced by lldb_private::ClassDescriptorV2::iVarsStorage::fill().

◆ GetImplementationLanguage()

LanguageType ClassDescriptorV2::GetImplementationLanguage ( ) const

overridevirtual

Determine whether this class is implemented in Swift.

Reimplemented from lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 676 of file AppleObjCClassDescriptorV2.cpp.

References lldb::eLanguageTypeObjC, lldb::eLanguageTypeSwift, lldb_private::Runtime::GetProcess(), IS_SWIFT_STABLE, m_runtime, and Read_objc_class().

◆ GetInstanceSize()

uint64_t ClassDescriptorV2::GetInstanceSize ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 654 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::Runtime::GetProcess(), m_runtime, Read_class_row(), and Read_objc_class().

◆ GetISA()

ObjCLanguageRuntime::ObjCISA lldb_private::ClassDescriptorV2::GetISA ( )

inlineoverridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 55 of file AppleObjCClassDescriptorV2.h.

References m_objc_class_ptr.

◆ GetIVarAtIndex()

iVarDescriptor lldb_private::ClassDescriptorV2::GetIVarAtIndex ( size_t idx )

inlineoverridevirtual

Reimplemented from lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 70 of file AppleObjCClassDescriptorV2.h.

References GetNumIVars(), and m_ivars_storage.

◆ GetIVarInformation()

void ClassDescriptorV2::GetIVarInformation ( )

protected

Definition at line 745 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::ClassDescriptorV2::iVarsStorage::fill(), m_ivars_storage, and m_runtime.

Referenced by GetNumIVars().

◆ GetMetaclass()

ObjCLanguageRuntime::ClassDescriptorSP ClassDescriptorV2::GetMetaclass ( ) const

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 637 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::AppleObjCRuntimeV2::GetPointerISA(), lldb_private::Runtime::GetProcess(), m_runtime, and Read_objc_class().

Referenced by Describe().

◆ GetMethodList()

std::optional< ClassDescriptorV2::method_list_t > ClassDescriptorV2::GetMethodList	(	Process *	process,
		lldb::addr_t	method_list_ptr
	)		const

private

Definition at line 428 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::GetLog(), lldb_private::ClassDescriptorV2::method_t::GetSize(), LLDB_LOG, lldb_private::ClassDescriptorV2::method_list_t::m_entsize, lldb_private::ClassDescriptorV2::method_list_t::m_is_small, lldb_private::ClassDescriptorV2::method_list_t::Read(), and lldb_private::Types.

Referenced by Describe(), and ProcessRelativeMethodLists().

◆ GetNumIVars()

size_t lldb_private::ClassDescriptorV2::GetNumIVars ( )

inlineoverridevirtual

Reimplemented from lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 65 of file AppleObjCClassDescriptorV2.h.

References GetIVarInformation(), m_ivars_storage, and lldb_private::ClassDescriptorV2::iVarsStorage::size().

Referenced by GetIVarAtIndex().

◆ GetSuperclass()

ObjCLanguageRuntime::ClassDescriptorSP ClassDescriptorV2::GetSuperclass ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 622 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::Runtime::GetProcess(), m_runtime, and Read_objc_class().

◆ GetTaggedPointerInfo()

bool lldb_private::ClassDescriptorV2::GetTaggedPointerInfo	(	uint64_t *	info_bits = `nullptr`,
		uint64_t *	value_bits = `nullptr`,
		uint64_t *	payload = `nullptr`
	)

inlineoverridevirtual

There are two routines in the ObjC runtime that tagged pointer clients can call to get the value from their tagged pointer, one that retrieves it as an unsigned value and one a signed value.

These two GetTaggedPointerInfo methods mirror those two ObjC runtime calls.

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 41 of file AppleObjCClassDescriptorV2.h.

◆ GetTaggedPointerInfoSigned()

bool lldb_private::ClassDescriptorV2::GetTaggedPointerInfoSigned	(	uint64_t *	info_bits = `nullptr`,
		int64_t *	value_bits = `nullptr`,
		uint64_t *	payload = `nullptr`
	)

inlineoverridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 47 of file AppleObjCClassDescriptorV2.h.

◆ IsValid()

bool lldb_private::ClassDescriptorV2::IsValid ( )

inlineoverridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 34 of file AppleObjCClassDescriptorV2.h.

◆ ProcessMethodList()

bool ClassDescriptorV2::ProcessMethodList	(	std::function< bool(const char , const char )> const &	instance_method_func,
		ClassDescriptorV2::method_list_t &	method_list
	)		const

private

Definition at line 447 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::Runtime::GetProcess(), lldb_private::AppleObjCRuntimeV2::GetRelativeSelectorBaseAddr(), lldb_private::ClassDescriptorV2::method_list_t::m_count, lldb_private::ClassDescriptorV2::method_list_t::m_entsize, lldb_private::ClassDescriptorV2::method_list_t::m_first_ptr, lldb_private::ClassDescriptorV2::method_list_t::m_has_direct_selector, lldb_private::ClassDescriptorV2::method_list_t::m_is_small, and m_runtime.

Referenced by Describe(), and ProcessRelativeMethodLists().

◆ ProcessRelativeMethodLists()

bool ClassDescriptorV2::ProcessRelativeMethodLists	(	std::function< bool(const char , const char )> const &	instance_method_func,
		lldb::addr_t	relative_method_list_ptr
	)		const

private

Definition at line 477 of file AppleObjCClassDescriptorV2.cpp.

References GetMethodList(), lldb_private::Runtime::GetProcess(), lldb_private::AppleObjCRuntimeV2::GetSharedCacheImageHeaderVersion(), lldb_private::AppleObjCRuntimeV2::IsSharedCacheImageLoaded(), m_image_to_method_lists, m_last_version_updated, m_runtime, and ProcessMethodList().

Referenced by Describe().

◆ Read_class_row()

bool ClassDescriptorV2::Read_class_row	(	Process *	process,
		const objc_class_t &	objc_class,
		std::unique_ptr< class_ro_t > &	class_ro,
		std::unique_ptr< class_rw_t > &	class_rw
	)		const