CGPointerAuth.cpp File Reference

#include "CodeGenFunction.h"
#include "CodeGenModule.h"
#include "clang/CodeGen/CodeGenABITypes.h"
#include "clang/CodeGen/ConstantInitBuilder.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Support/SipHash.h"

Go to the source code of this file.

Functions
static CGPointerAuthInfo	getPointerAuthInfoForPointeeType (CodeGenModule &CGM, QualType PointeeType)
	Return the natural pointer authentication for values of the given pointee type.
static CGPointerAuthInfo	getPointerAuthInfoForType (CodeGenModule &CGM, QualType PointerType)
	Return the natural pointer authentication for values of the given pointer type.
static std::pair< llvm::Value *, CGPointerAuthInfo >	emitLoadOfOrigPointerRValue (CodeGenFunction &CGF, const LValue &LV, SourceLocation Loc)
static bool	isZeroConstant (const llvm::Value *Value)
static bool	equalAuthPolicies (const CGPointerAuthInfo &Left, const CGPointerAuthInfo &Right)
static llvm::Value *	getDiscriminatorOrZero (const CGPointerAuthInfo &Info, CGBuilderTy &Builder)

Function Documentation

emitLoadOfOrigPointerRValue()

std::pair< llvm::Value *, CGPointerAuthInfo > emitLoadOfOrigPointerRValue ( CodeGenFunction & CGF, const LValue & LV, SourceLocation Loc )

static

Definition at line 197 of file CGPointerAuth.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitLoadOfScalar(), clang::CodeGen::CodeGenFunction::EmitPointerAuthInfo(), and getPointerAuthInfoForType().

Referenced by clang::CodeGen::CodeGenFunction::EmitOrigPointerRValue().

equalAuthPolicies()

bool equalAuthPolicies ( const CGPointerAuthInfo & Left, const CGPointerAuthInfo & Right )

static

Definition at line 287 of file CGPointerAuth.cpp.

Referenced by clang::CodeGen::CodeGenFunction::emitPointerAuthResign().

getDiscriminatorOrZero()

llvm::Value * getDiscriminatorOrZero ( const CGPointerAuthInfo & Info, CGBuilderTy & Builder )

static

Definition at line 301 of file CGPointerAuth.cpp.

References clang::CodeGen::CGPointerAuthInfo::getDiscriminator().

Referenced by clang::CodeGen::CodeGenFunction::emitPointerAuthResignCall().

getPointerAuthInfoForPointeeType()

CGPointerAuthInfo getPointerAuthInfoForPointeeType ( CodeGenModule & CGM, QualType PointeeType )

static

Return the natural pointer authentication for values of the given pointee type.

Definition at line 158 of file CGPointerAuth.cpp.

References clang::CodeGen::CodeGenModule::getFunctionPointerAuthInfo(), clang::Type::isFunctionType(), and clang::QualType::isNull().

getPointerAuthInfoForType()

CGPointerAuthInfo getPointerAuthInfoForType ( CodeGenModule & CGM, QualType PointerType )

static

Return the natural pointer authentication for values of the given pointer type.

Definition at line 176 of file CGPointerAuth.cpp.

References clang::CodeGen::CodeGenModule::getContext(), clang::PointerType::getPointeeType(), clang::Type::isBlockPointerType(), and clang::Type::isSignableType().

Referenced by clang::CodeGen::CodeGenFunction::authPointerToPointerCast(), clang::CodeGen::CodeGenFunction::authPointerToPointerCast(), emitLoadOfOrigPointerRValue(), clang::CodeGen::CodeGenFunction::EmitOrigPointerRValue(), clang::CodeGen::CodeGenFunction::EmitPointerAuthQualify(), and clang::CodeGen::CodeGenFunction::EmitPointerAuthUnqualify().

isZeroConstant()

bool isZeroConstant ( const llvm::Value * Value )

static

Definition at line 281 of file CGPointerAuth.cpp.

Referenced by clang::CodeGen::CodeGenFunction::emitPointerAuthResign(), and clang::ento::CallEvent::hasNonNullArgumentsWithType().