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

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
llvm::SmallVector< method_t, 0 >	ReadMethods (llvm::ArrayRef< lldb::addr_t > addresses, lldb::addr_t relative_string_base_addr, bool is_small, bool has_direct_sel, bool has_relative_types) const
	ClassDescriptorV2 (AppleObjCRuntimeV2 &runtime, ObjCLanguageRuntime::ObjCISA isa, const char *name)
void	ProcessMethodList (std::function< bool(const char , const char )> const &instance_method_func, method_list_t &method_list) const
llvm::Error	ProcessRelativeMethodLists (std::function< bool(const char , const char )> const &instance_method_func, lldb::addr_t relative_method_list_ptr) const

Static Private Member Functions
static llvm::Expected< method_list_t >	GetMethodList (Process *process, lldb::addr_t method_list_ptr)
static llvm::Expected< class_ro_t >	Read_class_row (Process *process, const objc_class_t &objc_class)

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 246 of file AppleObjCClassDescriptorV2.h.

References lldb_private::AppleObjCRuntimeV2, m_image_to_method_lists, m_ivars_storage, m_last_version_updated, m_name, m_objc_class_ptr, and m_runtime.

Referenced by lldb_private::ClassDescriptorV2::iVarsStorage::fill(), and GetMetaclass().

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 544 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::GetLog(), GetMetaclass(), GetMethodList(), lldb_private::ClassDescriptorV2::ivar_t::GetSize(), LLDB_LOG_ERROR, m_name, m_objc_class_ptr, m_runtime, ProcessMethodList(), ProcessRelativeMethodLists(), lldb_private::ClassDescriptorV2::ivar_list_t::Read(), lldb_private::ClassDescriptorV2::ivar_t::Read(), lldb_private::ClassDescriptorV2::objc_class_t::Read(), Read_class_row(), and lldb_private::Types.

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

◆ GetClassName()

ConstString ClassDescriptorV2::GetClassName ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 632 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::GetLog(), LLDB_LOG_ERROR, m_name, m_objc_class_ptr, m_runtime, lldb_private::ClassDescriptorV2::objc_class_t::Read(), Read_class_row(), and lldb_private::Types.

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 712 of file AppleObjCClassDescriptorV2.cpp.

References lldb::eLanguageTypeObjC, lldb::eLanguageTypeSwift, lldb_private::GetLog(), IS_SWIFT_STABLE, LLDB_LOG_ERROR, m_objc_class_ptr, m_runtime, lldb_private::ClassDescriptorV2::objc_class_t::Read(), and lldb_private::Types.

◆ GetInstanceSize()

uint64_t ClassDescriptorV2::GetInstanceSize ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 688 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::GetLog(), LLDB_LOG_ERROR, m_objc_class_ptr, m_runtime, lldb_private::ClassDescriptorV2::objc_class_t::Read(), Read_class_row(), and lldb_private::Types.

◆ 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 786 of file AppleObjCClassDescriptorV2.cpp.

References m_ivars_storage, and m_runtime.

Referenced by GetNumIVars().

◆ GetMetaclass()

ObjCLanguageRuntime::ClassDescriptorSP ClassDescriptorV2::GetMetaclass ( ) const

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 670 of file AppleObjCClassDescriptorV2.cpp.

References ClassDescriptorV2(), lldb_private::GetLog(), LLDB_LOG_ERROR, m_objc_class_ptr, m_runtime, lldb_private::ClassDescriptorV2::objc_class_t::Read(), and lldb_private::Types.

Referenced by Describe().

◆ GetMethodList()

llvm::Expected< ClassDescriptorV2::method_list_t > ClassDescriptorV2::GetMethodList	(	Process *	process,
		lldb::addr_t	method_list_ptr )

staticprivate

Definition at line 447 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::ClassDescriptorV2::method_t::GetSize(), and lldb_private::ClassDescriptorV2::method_list_t::Read().

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(), and m_ivars_storage.

Referenced by GetIVarAtIndex().

◆ GetSuperclass()

ObjCLanguageRuntime::ClassDescriptorSP ClassDescriptorV2::GetSuperclass ( )

overridevirtual

Implements lldb_private::ObjCLanguageRuntime::ClassDescriptor.

Definition at line 654 of file AppleObjCClassDescriptorV2.cpp.

References lldb_private::GetLog(), LLDB_LOG_ERROR, m_objc_class_ptr, m_runtime, lldb_private::ClassDescriptorV2::objc_class_t::Read(), and lldb_private::Types.

◆ 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()

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

private

Definition at line 465 of file AppleObjCClassDescriptorV2.cpp.

References 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_has_relative_types, lldb_private::ClassDescriptorV2::method_list_t::m_is_small, m_runtime, and ReadMethods().

Referenced by Describe(), and ProcessRelativeMethodLists().

◆ ProcessRelativeMethodLists()

llvm::Error 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 497 of file AppleObjCClassDescriptorV2.cpp.

References GetMethodList(), m_image_to_method_lists, m_last_version_updated, m_runtime, ProcessMethodList(), lldb_private::ClassDescriptorV2::relative_list_entry_t::Read(), and lldb_private::ClassDescriptorV2::relative_list_list_t::Read().

Referenced by Describe().

◆ Read_class_row()

llvm::Expected< ClassDescriptorV2::class_ro_t > ClassDescriptorV2::Read_class_row	(	Process *	process,
		const objc_class_t &	objc_class )

staticprivate

Definition at line 192 of file AppleObjCClassDescriptorV2.cpp.

References error(), lldb_private::ClassDescriptorV2::objc_class_t::m_data_ptr, lldb_private::ClassDescriptorV2::class_ro_t::Read(), lldb_private::ClassDescriptorV2::class_rw_t::Read(), lldb_private::Process::ReadUnsignedIntegerFromMemory(), and RW_REALIZED.

Referenced by Describe(), GetClassName(), and GetInstanceSize().

◆ ReadMethods()

llvm::SmallVector< ClassDescriptorV2::method_t, 0 > ClassDescriptorV2::ReadMethods	(	llvm::ArrayRef< lldb::addr_t >	addresses,
		lldb::addr_t	relative_string_base_addr,
		bool	is_small,
		bool	has_direct_sel,
		bool	has_relative_types ) const