1 //===-- dfsan.h -------------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of DataFlowSanitizer.
12 // Private DFSan header.
13 //===----------------------------------------------------------------------===//
18 #include "sanitizer_common/sanitizer_internal_defs.h"
19 #include "dfsan_platform.h"
21 using __sanitizer::uptr;
22 using __sanitizer::u16;
24 // Copy declarations from public sanitizer/dfsan_interface.h header here.
25 typedef u16 dfsan_label;
27 struct dfsan_label_info {
35 void dfsan_add_label(dfsan_label label, void *addr, uptr size);
36 void dfsan_set_label(dfsan_label label, void *addr, uptr size);
37 dfsan_label dfsan_read_label(const void *addr, uptr size);
38 dfsan_label dfsan_union(dfsan_label l1, dfsan_label l2);
42 void dfsan_set_label(dfsan_label label, T &data) { // NOLINT
43 dfsan_set_label(label, (void *)&data, sizeof(T));
48 void InitializeInterceptors();
50 inline dfsan_label *shadow_for(void *ptr) {
51 return (dfsan_label *) ((((uptr) ptr) & ShadowMask()) << 1);
54 inline const dfsan_label *shadow_for(const void *ptr) {
55 return shadow_for(const_cast<void *>(ptr));
59 #define DFSAN_FLAG(Type, Name, DefaultValue, Description) Type Name;
60 #include "dfsan_flags.inc"
66 extern Flags flags_data;
67 inline Flags &flags() {
71 } // namespace __dfsan