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Diffstat (limited to 'include/llvm/Transforms/Utils/SpecialCaseList.h')
-rw-r--r-- | include/llvm/Transforms/Utils/SpecialCaseList.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/include/llvm/Transforms/Utils/SpecialCaseList.h b/include/llvm/Transforms/Utils/SpecialCaseList.h deleted file mode 100644 index 508a6df..0000000 --- a/include/llvm/Transforms/Utils/SpecialCaseList.h +++ /dev/null @@ -1,114 +0,0 @@ -//===-- SpecialCaseList.h - special case list for sanitizers ----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -//===----------------------------------------------------------------------===// -// -// This is a utility class for instrumentation passes (like AddressSanitizer -// or ThreadSanitizer) to avoid instrumenting some functions or global -// variables based on a user-supplied list. -// -// The list can also specify categories for specific globals, which can be used -// to instruct an instrumentation pass to treat certain functions or global -// variables in a specific way, such as by omitting certain aspects of -// instrumentation while keeping others, or informing the instrumentation pass -// that a specific uninstrumentable function has certain semantics, thus -// allowing the pass to instrument callers according to those semantics. -// -// For example, AddressSanitizer uses the "init" category for globals whose -// initializers should not be instrumented, but which in all other respects -// should be instrumented. -// -// Each line contains a prefix, followed by a colon and a wild card expression, -// followed optionally by an equals sign and an instrumentation-specific -// category. Empty lines and lines starting with "#" are ignored. -// --- -// # Blacklisted items: -// fun:*_ZN4base6subtle* -// global:*global_with_bad_access_or_initialization* -// global:*global_with_initialization_issues*=init -// type:*Namespace::ClassName*=init -// src:file_with_tricky_code.cc -// src:ignore-global-initializers-issues.cc=init -// -// # Functions with pure functional semantics: -// fun:cos=functional -// fun:sin=functional -// --- -// Note that the wild card is in fact an llvm::Regex, but * is automatically -// replaced with .* -// This is similar to the "ignore" feature of ThreadSanitizer. -// http://code.google.com/p/data-race-test/wiki/ThreadSanitizerIgnores -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_TRANSFORMS_UTILS_SPECIALCASELIST_H -#define LLVM_TRANSFORMS_UTILS_SPECIALCASELIST_H - -#include "llvm/ADT/StringMap.h" - -namespace llvm { -class Function; -class GlobalAlias; -class GlobalVariable; -class MemoryBuffer; -class Module; -class Regex; -class StringRef; - -class SpecialCaseList { - public: - /// Parses the special case list from a file. If Path is empty, returns - /// an empty special case list. On failure, returns 0 and writes an error - /// message to string. - static SpecialCaseList *create(const StringRef Path, std::string &Error); - /// Parses the special case list from a memory buffer. On failure, returns - /// 0 and writes an error message to string. - static SpecialCaseList *create(const MemoryBuffer *MB, std::string &Error); - /// Parses the special case list from a file. On failure, reports a fatal - /// error. - static SpecialCaseList *createOrDie(const StringRef Path); - - ~SpecialCaseList(); - - /// Returns whether either this function or its source file are listed in the - /// given category, which may be omitted to search the empty category. - bool isIn(const Function &F, const StringRef Category = StringRef()) const; - - /// Returns whether this global, its type or its source file are listed in the - /// given category, which may be omitted to search the empty category. - bool isIn(const GlobalVariable &G, - const StringRef Category = StringRef()) const; - - /// Returns whether this global alias is listed in the given category, which - /// may be omitted to search the empty category. - /// - /// If GA aliases a function, the alias's name is matched as a function name - /// would be. Similarly, aliases of globals are matched like globals. - bool isIn(const GlobalAlias &GA, - const StringRef Category = StringRef()) const; - - /// Returns whether this module is listed in the given category, which may be - /// omitted to search the empty category. - bool isIn(const Module &M, const StringRef Category = StringRef()) const; - - private: - SpecialCaseList(SpecialCaseList const &) LLVM_DELETED_FUNCTION; - SpecialCaseList &operator=(SpecialCaseList const &) LLVM_DELETED_FUNCTION; - - struct Entry; - StringMap<StringMap<Entry> > Entries; - - SpecialCaseList(); - /// Parses just-constructed SpecialCaseList entries from a memory buffer. - bool parse(const MemoryBuffer *MB, std::string &Error); - - bool inSectionCategory(const StringRef Section, const StringRef Query, - const StringRef Category) const; -}; - -} // namespace llvm - -#endif // LLVM_TRANSFORMS_UTILS_SPECIALCASELIST_H |