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[ubsan] Add support for -fsanitize-blacklist

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llvm-svn: 172808
This commit is contained in:
Will Dietz
2013-01-18 11:30:38 +00:00
parent 63c36bbe5e
commit f54319c891
19 changed files with 133 additions and 68 deletions
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15
clang/lib/CodeGen/CodeGenModule.cpp
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@@ -77,8 +77,11 @@ CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
VMContext(M.getContext()),
NSConcreteGlobalBlock(0), NSConcreteStackBlock(0),
BlockObjectAssign(0), BlockObjectDispose(0),
BlockDescriptorType(0), GenericBlockLiteralType(0) {
BlockDescriptorType(0), GenericBlockLiteralType(0),
SanitizerBlacklist(CGO.SanitizerBlacklistFile),
SanOpts(SanitizerBlacklist.isIn(M) ?
SanitizerOptions::Disabled : LangOpts.Sanitize) {
// Initialize the type cache.
llvm::LLVMContext &LLVMContext = M.getContext();
VoidTy = llvm::Type::getVoidTy(LLVMContext);
@@ -104,7 +107,7 @@ CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
createCUDARuntime();
// Enable TBAA unless it's suppressed. ThreadSanitizer needs TBAA even at O0.
if (LangOpts.SanitizeThread ||
if (SanOpts.Thread ||
(!CodeGenOpts.RelaxedAliasing && CodeGenOpts.OptimizationLevel > 0))
TBAA = new CodeGenTBAA(Context, VMContext, CodeGenOpts, getLangOpts(),
ABI.getMangleContext());
@@ -603,8 +606,8 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
F->addFnAttr(llvm::Attribute::StackProtect);
else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
F->addFnAttr(llvm::Attribute::StackProtectReq);
if (LangOpts.SanitizeAddress) {
if (SanOpts.Address) {
// When AddressSanitizer is enabled, set AddressSafety attribute
// unless __attribute__((no_address_safety_analysis)) is used.
if (!D->hasAttr<NoAddressSafetyAnalysisAttr>())
@@ -1851,7 +1854,7 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D) {
// If we are compiling with ASan, add metadata indicating dynamically
// initialized globals.
if (LangOpts.SanitizeAddress && NeedsGlobalCtor) {
if (SanOpts.Address && NeedsGlobalCtor) {
llvm::Module &M = getModule();
llvm::NamedMDNode *DynamicInitializers =