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1 //===--- SanitizerSpecialCaseList.cpp - SCL for sanitizers ----------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // An extension of SpecialCaseList to allowing querying sections by
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10 // SanitizerMask.
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11 //
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12 //===----------------------------------------------------------------------===//
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13 #include "clang/Basic/SanitizerSpecialCaseList.h"
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14
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15 using namespace clang;
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16
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17 std::unique_ptr<SanitizerSpecialCaseList>
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18 SanitizerSpecialCaseList::create(const std::vector<std::string> &Paths,
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19 llvm::vfs::FileSystem &VFS,
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20 std::string &Error) {
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21 std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL(
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22 new SanitizerSpecialCaseList());
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23 if (SSCL->createInternal(Paths, VFS, Error)) {
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24 SSCL->createSanitizerSections();
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25 return SSCL;
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26 }
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27 return nullptr;
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28 }
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29
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30 std::unique_ptr<SanitizerSpecialCaseList>
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31 SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths,
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32 llvm::vfs::FileSystem &VFS) {
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33 std::string Error;
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34 if (auto SSCL = create(Paths, VFS, Error))
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35 return SSCL;
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36 llvm::report_fatal_error(Error);
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37 }
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38
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39 void SanitizerSpecialCaseList::createSanitizerSections() {
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40 for (auto &S : Sections) {
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41 SanitizerMask Mask;
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42
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43 #define SANITIZER(NAME, ID) \
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44 if (S.SectionMatcher->match(NAME)) \
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45 Mask |= SanitizerKind::ID;
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46 #define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID)
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47
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48 #include "clang/Basic/Sanitizers.def"
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49 #undef SANITIZER
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50 #undef SANITIZER_GROUP
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51
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52 SanitizerSections.emplace_back(Mask, S.Entries);
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53 }
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54 }
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55
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56 bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix,
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57 StringRef Query,
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58 StringRef Category) const {
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59 for (auto &S : SanitizerSections)
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60 if ((S.Mask & Mask) &&
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61 SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category))
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62 return true;
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63
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64 return false;
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65 }
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