//===-- dfsan.h -------------------------------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file is a part of DataFlowSanitizer. // // Private DFSan header. //===----------------------------------------------------------------------===// #ifndef DFSAN_H #define DFSAN_H #include "sanitizer_common/sanitizer_internal_defs.h" #include "dfsan_platform.h" using __sanitizer::uptr; using __sanitizer::u16; // Copy declarations from public sanitizer/dfsan_interface.h header here. typedef u16 dfsan_label; struct dfsan_label_info { dfsan_label l1; dfsan_label l2; const char *desc; void *userdata; }; extern "C" { void dfsan_add_label(dfsan_label label, void *addr, uptr size); void dfsan_set_label(dfsan_label label, void *addr, uptr size); dfsan_label dfsan_read_label(const void *addr, uptr size); dfsan_label dfsan_union(dfsan_label l1, dfsan_label l2); } // extern "C" template <typename T> void dfsan_set_label(dfsan_label label, T &data) { // NOLINT dfsan_set_label(label, (void *)&data, sizeof(T)); } namespace __dfsan { void InitializeInterceptors(); inline dfsan_label *shadow_for(void *ptr) { return (dfsan_label *) ((((uptr) ptr) & ShadowMask()) << 1); } inline const dfsan_label *shadow_for(const void *ptr) { return shadow_for(const_cast<void *>(ptr)); } struct Flags { #define DFSAN_FLAG(Type, Name, DefaultValue, Description) Type Name; #include "dfsan_flags.inc" #undef DFSAN_FLAG void SetDefaults(); }; extern Flags flags_data; inline Flags &flags() { return flags_data; } } // namespace __dfsan #endif // DFSAN_H |