745   uint8_t* pregion = tlsPtr_.stack_begin - GetStackOverflowProtectedSize();  in InstallImplicitProtection()  local
751         static_cast<void*>(pregion) << " to " <<  in InstallImplicitProtection()
752         static_cast<void*>(pregion + GetStackOverflowProtectedSize() - 1);  in InstallImplicitProtection()
757         reinterpret_cast<uintptr_t>(stack_top) - reinterpret_cast<uintptr_t>(pregion) - gPageSize;  in InstallImplicitProtection()
758     madvise(pregion, unwanted_size, MADV_DONTNEED);  in InstallImplicitProtection()
786       static_cast<void*>(pregion);  in InstallImplicitProtection()
819   RecurseDownStack::Touch(reinterpret_cast<uintptr_t>(pregion));  in InstallImplicitProtection()
822       static_cast<void*>(pregion) << " to " <<  in InstallImplicitProtection()
823       static_cast<void*>(pregion + GetStackOverflowProtectedSize() - 1);  in InstallImplicitProtection()
831       reinterpret_cast<uintptr_t>(stack_top) - reinterpret_cast<uintptr_t>(pregion) - gPageSize;  in InstallImplicitProtection()
832   madvise(pregion, unwanted_size, MADV_DONTNEED);  in InstallImplicitProtection()
4664   void* pregion = tlsPtr_.stack_begin - GetStackOverflowProtectedSize();  in ProtectStack()  local
4665   VLOG(threads) << "Protecting stack at " << pregion;  in ProtectStack()
4666   if (mprotect(pregion, GetStackOverflowProtectedSize(), PROT_NONE) == -1) {  in ProtectStack()
4680   void* pregion = tlsPtr_.stack_begin - GetStackOverflowProtectedSize();  in UnprotectStack()  local
4681   VLOG(threads) << "Unprotecting stack at " << pregion;  in UnprotectStack()
4682   return mprotect(pregion, GetStackOverflowProtectedSize(), PROT_READ|PROT_WRITE) == 0;  in UnprotectStack()