1 //===-- mem_map.cpp ---------------------------------------------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
15 bool MemMapDefault::mapImpl(uptr Addr, uptr Size, const char *Name,  in mapImpl()  argument
18       ::scudo::map(reinterpret_cast<void *>(Addr), Size, Name, Flags, &Data);  in mapImpl()
27 void MemMapDefault::unmapImpl(uptr Addr, uptr Size) {  in unmapImpl()  argument
31     if (Base == Addr) {  in unmapImpl()
32       Base = Addr + Size;  in unmapImpl()
35     Capacity -= Size;  in unmapImpl()
38   ::scudo::unmap(reinterpret_cast<void *>(Addr), Size, UNMAP_ALL, &Data);  in unmapImpl()
41 bool MemMapDefault::remapImpl(uptr Addr, uptr Size, const char *Name,  in remapImpl()  argument
44       ::scudo::map(reinterpret_cast<void *>(Addr), Size, Name, Flags, &Data);  in remapImpl()
47   return RemappedAddr == Addr;  in remapImpl()
53   return ::scudo::releasePagesToOS(MappedBase, From - MappedBase, Size, &Data);  in releaseAndZeroPagesToOSImpl()
56 void MemMapDefault::setMemoryPermissionImpl(uptr Addr, uptr Size, uptr Flags) {  in setMemoryPermissionImpl()  argument
57   return ::scudo::setMemoryPermission(Addr, Size, Flags);  in setMemoryPermissionImpl()
61   ::scudo::unmap(reinterpret_cast<void *>(Base), Capacity, UNMAP_ALL, &Data);  in releaseImpl()
64 bool ReservedMemoryDefault::createImpl(uptr Addr, uptr Size, const char *Name,  in createImpl()  argument
66   void *Reserved = ::scudo::map(reinterpret_cast<void *>(Addr), Size, Name,  in createImpl()
67                                 Flags | MAP_NOACCESS, &Data);  in createImpl()
77 ReservedMemoryDefault::MemMapT ReservedMemoryDefault::dispatchImpl(uptr Addr,  in dispatchImpl()  argument
79   ReservedMemoryDefault::MemMapT NewMap(Addr, Size);  in dispatchImpl()
80   NewMap.setMapPlatformData(Data);  in dispatchImpl()