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Showing content from https://clang.llvm.org/doxygen/SanitizerMetadata_8cpp_source.html below:

clang: lib/CodeGen/SanitizerMetadata.cpp Source File

17using namespace clang

;

18using namespace

CodeGen;

23 return

SS.

hasOneOf

(SanitizerKind::Address | SanitizerKind::KernelAddress |

24

SanitizerKind::HWAddress | SanitizerKind::MemTag |

29 if

(Mask & (SanitizerKind::Address | SanitizerKind::KernelAddress))

30

Mask |= SanitizerKind::Address | SanitizerKind::KernelAddress;

39 if

(G.getName().starts_with(

"llvm."

) || G.isThreadLocal() || G.isConstant())

78

FsanitizeArgument.

Mask

};

80

llvm::GlobalVariable::SanitizerMetadata Meta;

81 if

(GV->hasSanitizerMetadata())

82

Meta = GV->getSanitizerMetadata();

84

Meta.NoAddress |= NoSanitizeAttrSet.

hasOneOf

(SanitizerKind::Address);

86

FsanitizeArgument.

Mask

& SanitizerKind::Address, GV,

Loc

, Ty);

88

Meta.NoHWAddress |= NoSanitizeAttrSet.

hasOneOf

(SanitizerKind::HWAddress);

90

FsanitizeArgument.

Mask

& SanitizerKind::HWAddress, GV,

Loc

, Ty);

93

Meta.Memtag |=

static_cast<bool>

(FsanitizeArgument.

Mask

&

94

SanitizerKind::MemtagGlobals);

95

Meta.Memtag &= !NoSanitizeAttrSet.

hasOneOf

(SanitizerKind::MemTag);

97

FsanitizeArgument.

Mask

& SanitizerKind::MemTag, GV,

Loc

, Ty);

102

Meta.IsDynInit = IsDynInit && !Meta.NoAddress &&

103

FsanitizeArgument.

has

(SanitizerKind::Address) &&

105

SanitizerKind::KernelAddress,

106

GV,

Loc

, Ty,

"init"

);

108

GV->setSanitizerMetadata(Meta);

111

NoSanitizeAttrMask & SanitizerKind::Type)

118

llvm::Metadata *GlobalMetadata[] = {llvm::ConstantAsMetadata::get(GV),

122 if

(llvm::MDNode::getIfExists(CGM.

getLLVMContext

(), GlobalMetadata))

125

llvm::MDNode *ThisGlobal =

127

llvm::NamedMDNode *TysanGlobals =

128

CGM.

getModule

().getOrInsertNamedMetadata(

"llvm.tysan.globals"

);

129

TysanGlobals->addOperand(ThisGlobal);

136

std::string QualName;

137

llvm::raw_string_ostream OS(QualName);

138 D

.printQualifiedName(OS);

140 auto

getNoSanitizeMask = [](

const VarDecl

&

D

) {

141 if

(

D

.

hasAttr

<DisableSanitizerInstrumentationAttr>())

142 return

SanitizerKind::All;

146

NoSanitizeMask |=

Attr

->getMask();

150 if

(

D

.hasExternalStorage() ||

D

.getType()->isIncompleteType())

151

NoSanitizeMask |= SanitizerKind::Type;

153 return

NoSanitizeMask;

C Language Family Type Representation.

Attr - This represents one attribute.

This class organizes the cross-function state that is used while generating LLVM code.

llvm::Module & getModule() const

bool isInNoSanitizeList(SanitizerMask Kind, llvm::Function *Fn, SourceLocation Loc) const

const LangOptions & getLangOpts() const

ASTContext & getContext() const

llvm::MDNode * getTBAATypeInfo(QualType QTy)

getTBAATypeInfo - Get metadata used to describe accesses to objects of the given type.

llvm::LLVMContext & getLLVMContext()

llvm::iterator_range< specific_attr_iterator< T > > specific_attrs() const

SourceLocation getLocation() const

SanitizerSet Sanitize

Set of enabled sanitizers.

A (possibly-)qualified type.

bool isNull() const

Return true if this QualType doesn't point to a type yet.

Encodes a location in the source.

Represents a variable declaration or definition.

The JSON file list parser is used to communicate input to InstallAPI.

bool has(SanitizerMask K) const

Check if a certain (single) sanitizer is enabled.

SanitizerMask Mask

Bitmask of enabled sanitizers.

bool hasOneOf(SanitizerMask K) const

Check if one or more sanitizers are enabled.

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