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