74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
//===-- dfsan.h -------------------------------------------------*- C++ -*-===//
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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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// This file is a part of DataFlowSanitizer.
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//
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// Private DFSan header.
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//===----------------------------------------------------------------------===//
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#ifndef DFSAN_H
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#define DFSAN_H
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#include "sanitizer_common/sanitizer_internal_defs.h"
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// Copy declarations from public sanitizer/dfsan_interface.h header here.
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typedef u16 dfsan_label;
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struct dfsan_label_info {
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dfsan_label l1;
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dfsan_label l2;
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const char *desc;
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void *userdata;
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};
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extern "C" {
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void dfsan_add_label(dfsan_label label, void *addr, uptr size);
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void dfsan_set_label(dfsan_label label, void *addr, uptr size);
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dfsan_label dfsan_read_label(const void *addr, uptr size);
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dfsan_label dfsan_union(dfsan_label l1, dfsan_label l2);
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} // extern "C"
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template <typename T>
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void dfsan_set_label(dfsan_label label, T &data) { // NOLINT
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dfsan_set_label(label, (void *)&data, sizeof(T));
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}
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namespace __dfsan {
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void InitializeInterceptors();
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inline dfsan_label *shadow_for(void *ptr) {
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#if defined(__x86_64__)
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return (dfsan_label *) ((((uptr) ptr) & ~0x700000000000) << 1);
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#elif defined(__mips64)
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return (dfsan_label *) ((((uptr) ptr) & ~0xF000000000) << 1);
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#endif
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}
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inline const dfsan_label *shadow_for(const void *ptr) {
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return shadow_for(const_cast<void *>(ptr));
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}
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struct Flags {
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#define DFSAN_FLAG(Type, Name, DefaultValue, Description) Type Name;
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#include "dfsan_flags.inc"
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#undef DFSAN_FLAG
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void SetDefaults();
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};
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extern Flags flags_data;
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inline Flags &flags() {
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return flags_data;
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}
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} // namespace __dfsan
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#endif // DFSAN_H
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