libsanitizer/asan/asan_mapping_myriad.h

   1 //===-- asan_mapping_myriad.h -----------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of AddressSanitizer, an address sanity checker.
  10 //
  11 // Myriad-specific definitions for ASan memory mapping.
  12 //===----------------------------------------------------------------------===//
  13 #ifndef ASAN_MAPPING_MYRIAD_H
  14 #define ASAN_MAPPING_MYRIAD_H
  15
  16 #define RAW_ADDR(mem) ((mem) & ~kMyriadCacheBitMask32)
  17 #define MEM_TO_SHADOW(mem) \
  18   (((RAW_ADDR(mem) - kLowMemBeg) >> SHADOW_SCALE) + (SHADOW_OFFSET))
  19
  20 #define kLowMemBeg     kMyriadMemoryOffset32
  21 #define kLowMemEnd     (SHADOW_OFFSET - 1)
  22
  23 #define kLowShadowBeg  SHADOW_OFFSET
  24 #define kLowShadowEnd  MEM_TO_SHADOW(kLowMemEnd)
  25
  26 #define kHighMemBeg    0
  27
  28 #define kHighShadowBeg 0
  29 #define kHighShadowEnd 0
  30
  31 #define kMidShadowBeg  0
  32 #define kMidShadowEnd  0
  33
  34 #define kShadowGapBeg  (kLowShadowEnd + 1)
  35 #define kShadowGapEnd  kMyriadMemoryEnd32
  36
  37 #define kShadowGap2Beg 0
  38 #define kShadowGap2End 0
  39
  40 #define kShadowGap3Beg 0
  41 #define kShadowGap3End 0
  42
  43 namespace __asan {
  44
  45 static inline bool AddrIsInLowMem(uptr a) {
  46   PROFILE_ASAN_MAPPING();
  47   a = RAW_ADDR(a);
  48   return a >= kLowMemBeg && a <= kLowMemEnd;
  49 }
  50
  51 static inline bool AddrIsInLowShadow(uptr a) {
  52   PROFILE_ASAN_MAPPING();
  53   a = RAW_ADDR(a);
  54   return a >= kLowShadowBeg && a <= kLowShadowEnd;
  55 }
  56
  57 static inline bool AddrIsInMidMem(uptr a) {
  58   PROFILE_ASAN_MAPPING();
  59   return false;
  60 }
  61
  62 static inline bool AddrIsInMidShadow(uptr a) {
  63   PROFILE_ASAN_MAPPING();
  64   return false;
  65 }
  66
  67 static inline bool AddrIsInHighMem(uptr a) {
  68   PROFILE_ASAN_MAPPING();
  69   return false;
  70 }
  71
  72 static inline bool AddrIsInHighShadow(uptr a) {
  73   PROFILE_ASAN_MAPPING();
  74   return false;
  75 }
  76
  77 static inline bool AddrIsInShadowGap(uptr a) {
  78   PROFILE_ASAN_MAPPING();
  79   a = RAW_ADDR(a);
  80   return a >= kShadowGapBeg && a <= kShadowGapEnd;
  81 }
  82
  83 }  // namespace __asan
  84
  85 #endif  // ASAN_MAPPING_MYRIAD_H