| //===--- SanitizerBlacklist.cpp - Blacklist for sanitizers ----------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // User-provided blacklist used to disable/alter instrumentation done in |
| // sanitizers. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "SanitizerBlacklist.h" |
| #include "llvm/IR/Function.h" |
| #include "llvm/IR/GlobalValue.h" |
| #include "llvm/IR/Module.h" |
| |
| using namespace clang; |
| using namespace CodeGen; |
| |
| static StringRef GetGlobalTypeString(const llvm::GlobalValue &G) { |
| // Types of GlobalVariables are always pointer types. |
| llvm::Type *GType = G.getType()->getElementType(); |
| // For now we support blacklisting struct types only. |
| if (llvm::StructType *SGType = dyn_cast<llvm::StructType>(GType)) { |
| if (!SGType->isLiteral()) |
| return SGType->getName(); |
| } |
| return "<unknown type>"; |
| } |
| |
| bool SanitizerBlacklist::isIn(const llvm::Module &M, |
| const StringRef Category) const { |
| return SCL->inSection("src", M.getModuleIdentifier(), Category); |
| } |
| |
| bool SanitizerBlacklist::isIn(const llvm::Function &F) const { |
| return isIn(*F.getParent()) || |
| SCL->inSection("fun", F.getName(), ""); |
| } |
| |
| bool SanitizerBlacklist::isIn(const llvm::GlobalVariable &G, |
| const StringRef Category) const { |
| return isIn(*G.getParent(), Category) || |
| SCL->inSection("global", G.getName(), Category) || |
| SCL->inSection("type", GetGlobalTypeString(G), Category); |
| } |
| |
| bool SanitizerBlacklist::isBlacklistedType(StringRef MangledTypeName) const { |
| return SCL->inSection("type", MangledTypeName); |
| } |