🌐 clang: clang::PointerAuthOptions Struct Reference - clang.llvm.org

clang 22.0.0git

#include "clang/Basic/PointerAuthOptions.h"

Public Attributes
bool	ReturnAddresses = false
	Should return addresses be authenticated?
bool	AuthTraps = false
	Do authentication failures cause a trap?
bool	IndirectGotos = false
	Do indirect goto label addresses need to be authenticated?
bool	AArch64JumpTableHardening = false
	Use hardened lowering for jump-table dispatch?
PointerAuthSchema	FunctionPointers
	The ABI for C function pointers.
PointerAuthSchema	CXXVTablePointers
	The ABI for C++ virtual table pointers (the pointer to the table itself) as installed in an actual class instance.
PointerAuthSchema	CXXTypeInfoVTablePointer
	TypeInfo has external ABI requirements and is emitted without actually having parsed the libcxx definition, so we can't simply perform a look up.
PointerAuthSchema	CXXVTTVTablePointers
	The ABI for C++ virtual table pointers as installed in a VTT.
PointerAuthSchema	CXXVirtualFunctionPointers
	The ABI for most C++ virtual function pointers, i.e. v-table entries.
PointerAuthSchema	CXXVirtualVariadicFunctionPointers
	The ABI for variadic C++ virtual function pointers.
PointerAuthSchema	CXXMemberFunctionPointers
	The ABI for C++ member function pointers.
PointerAuthSchema	InitFiniPointers
	The ABI for function addresses in .init_array and .fini_array.
PointerAuthSchema	BlockInvocationFunctionPointers
	The ABI for block invocation function pointers.
PointerAuthSchema	BlockHelperFunctionPointers
	The ABI for block object copy/destroy function pointers.
PointerAuthSchema	BlockByrefHelperFunctionPointers
	The ABI for __block variable copy/destroy function pointers.
PointerAuthSchema	BlockDescriptorPointers
	The ABI for pointers to block descriptors.
PointerAuthSchema	ObjCMethodListFunctionPointers
	The ABI for Objective-C method lists.
PointerAuthSchema	ObjCMethodListPointer
	The ABI for a reference to an Objective-C method list in _class_ro_t.
PointerAuthSchema	ObjCIsaPointers
	The ABI for Objective-C isa pointers.
PointerAuthSchema	ObjCSuperPointers
	The ABI for Objective-C superclass pointers.
PointerAuthSchema	ObjCClassROPointers
	The ABI for Objective-C class_ro_t pointers.

Detailed Description

Definition at line 189 of file PointerAuthOptions.h.

Member Data Documentation

◆ AArch64JumpTableHardening

bool clang::PointerAuthOptions::AArch64JumpTableHardening = false

Use hardened lowering for jump-table dispatch?

Definition at line 200 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::TargetCodeGenInfo::initPointerAuthFnAttributes(), clang::CompilerInvocation::setDefaultPointerAuthOptions(), and clang::CodeGen::TargetCodeGenInfo::setPointerAuthFnAttributes().

◆ AuthTraps

bool clang::PointerAuthOptions::AuthTraps = false

Do authentication failures cause a trap?

Definition at line 194 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::TargetCodeGenInfo::initPointerAuthFnAttributes(), clang::CompilerInvocation::setDefaultPointerAuthOptions(), and clang::CodeGen::TargetCodeGenInfo::setPointerAuthFnAttributes().

◆ BlockByrefHelperFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::BlockByrefHelperFunctionPointers

The ABI for __block variable copy/destroy function pointers.

Definition at line 237 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ BlockDescriptorPointers

PointerAuthSchema clang::PointerAuthOptions::BlockDescriptorPointers

The ABI for pointers to block descriptors.

Definition at line 240 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ BlockHelperFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::BlockHelperFunctionPointers

The ABI for block object copy/destroy function pointers.

Definition at line 234 of file PointerAuthOptions.h.

Referenced by buildBlockDescriptor(), and clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ BlockInvocationFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::BlockInvocationFunctionPointers

The ABI for block invocation function pointers.

Definition at line 231 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXMemberFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::CXXMemberFunctionPointers

The ABI for C++ member function pointers.

Definition at line 225 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::CodeGenModule::getMemberFunctionPointerAuthInfo(), and clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXTypeInfoVTablePointer

PointerAuthSchema clang::PointerAuthOptions::CXXTypeInfoVTablePointer

TypeInfo has external ABI requirements and is emitted without actually having parsed the libcxx definition, so we can't simply perform a look up.

The settings for this should match the exact specification in type_info.h

Definition at line 213 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXVirtualFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::CXXVirtualFunctionPointers

The ABI for most C++ virtual function pointers, i.e. v-table entries.

Definition at line 219 of file PointerAuthOptions.h.

Referenced by BuildAppleKextVirtualCall(), and clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXVirtualVariadicFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::CXXVirtualVariadicFunctionPointers

The ABI for variadic C++ virtual function pointers.

Definition at line 222 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXVTablePointers

PointerAuthSchema clang::PointerAuthOptions::CXXVTablePointers

The ABI for C++ virtual table pointers (the pointer to the table itself) as installed in an actual class instance.

Definition at line 207 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ CXXVTTVTablePointers

PointerAuthSchema clang::PointerAuthOptions::CXXVTTVTablePointers

The ABI for C++ virtual table pointers as installed in a VTT.

Definition at line 216 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ FunctionPointers

PointerAuthSchema clang::PointerAuthOptions::FunctionPointers

The ABI for C function pointers.

Definition at line 203 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::CodeGenModule::getFunctionPointerAuthInfo(), clang::CodeGen::TargetCodeGenInfo::initPointerAuthFnAttributes(), clang::CompilerInvocation::setDefaultPointerAuthOptions(), and clang::CodeGen::TargetCodeGenInfo::setPointerAuthFnAttributes().

◆ IndirectGotos

bool clang::PointerAuthOptions::IndirectGotos = false

Do indirect goto label addresses need to be authenticated?

Definition at line 197 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::TargetCodeGenInfo::initPointerAuthFnAttributes(), clang::CompilerInvocation::setDefaultPointerAuthOptions(), and clang::CodeGen::TargetCodeGenInfo::setPointerAuthFnAttributes().

◆ InitFiniPointers

PointerAuthSchema clang::PointerAuthOptions::InitFiniPointers

The ABI for function addresses in .init_array and .fini_array.

Definition at line 228 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ObjCClassROPointers

PointerAuthSchema clang::PointerAuthOptions::ObjCClassROPointers

The ABI for Objective-C class_ro_t pointers.

Definition at line 255 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ObjCIsaPointers

PointerAuthSchema clang::PointerAuthOptions::ObjCIsaPointers

The ABI for Objective-C isa pointers.

Definition at line 249 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ObjCMethodListFunctionPointers

PointerAuthSchema clang::PointerAuthOptions::ObjCMethodListFunctionPointers

The ABI for Objective-C method lists.

Definition at line 243 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ObjCMethodListPointer

PointerAuthSchema clang::PointerAuthOptions::ObjCMethodListPointer

The ABI for a reference to an Objective-C method list in _class_ro_t.

Definition at line 246 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ObjCSuperPointers

PointerAuthSchema clang::PointerAuthOptions::ObjCSuperPointers

The ABI for Objective-C superclass pointers.

Definition at line 252 of file PointerAuthOptions.h.

Referenced by clang::CompilerInvocation::setDefaultPointerAuthOptions().

◆ ReturnAddresses

bool clang::PointerAuthOptions::ReturnAddresses = false

Should return addresses be authenticated?

Definition at line 191 of file PointerAuthOptions.h.

Referenced by clang::CodeGen::TargetCodeGenInfo::initPointerAuthFnAttributes(), clang::CompilerInvocation::setDefaultPointerAuthOptions(), and clang::CodeGen::TargetCodeGenInfo::setPointerAuthFnAttributes().

The documentation for this struct was generated from the following file:

include/clang/Basic/PointerAuthOptions.h