libsanitizer/asan/asan_mapping_myriad.h

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