10 /// This file is a part of HWAddressSanitizer. It reserves dynamic shadow memory
56   const uptr shadow = reinterpret_cast<uptr>(&__hwasan_shadow);  in IsPremapShadowAvailable()  local
58   // shadow == resolver is how Android KitKat and older handles ifunc.  in IsPremapShadowAvailable()
59   // shadow == 0 just in case.  in IsPremapShadowAvailable()
60   return shadow != 0 && shadow != resolver;  in IsPremapShadowAvailable()
79   // The resolver might be called multiple times. Map the shadow just once.  in __hwasan_premap_shadow()
80   static __sanitizer::uptr shadow = 0;  in __hwasan_premap_shadow()  local
81   if (!shadow)  in __hwasan_premap_shadow()
82     shadow = __hwasan::PremapShadow();  in __hwasan_premap_shadow()
83   return reinterpret_cast<decltype(__hwasan_shadow)*>(shadow);  in __hwasan_premap_shadow()
87 // of the shadow mapping.