11 // MemorySanitizer allocator.
51 // Note: to ensure that the allocator is compatible with the application memory
53 // duplicated as MappingDesc::ALLOCATOR in msan.h.
146 typedef CombinedAllocator<PrimaryAllocator> Allocator;  typedef
147 typedef Allocator::AllocatorCache AllocatorCache;
149 static Allocator allocator;  variable
157   allocator.Init(common_flags()->allocator_release_to_os_interval_ms);  in MsanAllocatorInit()
165 void LockAllocator() { allocator.ForceLock(); }  in LockAllocator()
167 void UnlockAllocator() { allocator.ForceUnlock(); }  in UnlockAllocator()
176   allocator.InitCache(GetAllocatorCache(this));  in Init()
180   allocator.SwallowCache(GetAllocatorCache(this));  in CommitBack()
181   allocator.DestroyCache(GetAllocatorCache(this));  in CommitBack()
204     allocated = allocator.Allocate(cache, size, alignment);  in MsanAllocate()
208     allocated = allocator.Allocate(cache, size, alignment);  in MsanAllocate()
218       reinterpret_cast<Metadata *>(allocator.GetMetaData(allocated));  in MsanAllocate()
221     if (allocator.FromPrimary(allocated))  in MsanAllocate()
243   Metadata *meta = reinterpret_cast<Metadata *>(allocator.GetMetaData(p));  in MsanDeallocate()
247   // poisoned. The secondary allocator will unmap and unpoison by  in MsanDeallocate()
249   if (flags()->poison_in_free && allocator.FromPrimary(p)) {  in MsanDeallocate()
260     allocator.Deallocate(cache, p);  in MsanDeallocate()
264     allocator.Deallocate(cache, p);  in MsanDeallocate()
270   Metadata *meta = reinterpret_cast<Metadata*>(allocator.GetMetaData(old_p));  in MsanReallocate()
272   uptr actually_allocated_size = allocator.GetActuallyAllocatedSize(old_p);  in MsanReallocate()
306   void *beg = allocator.GetBlockBegin(p);  in AllocationBegin()
309   Metadata *b = (Metadata *)allocator.GetMetaData(beg);  in AllocationBegin()
320   const void *beg = allocator.GetBlockBegin(p);  in AllocationSize()
322   Metadata *b = (Metadata *)allocator.GetMetaData(p);  in AllocationSize()
327   return reinterpret_cast<Metadata *>(allocator.GetMetaData(p))->requested_size;  in AllocationSizeFast()
423   allocator.GetStats(stats);  in __sanitizer_get_current_allocated_bytes()
429   allocator.GetStats(stats);  in __sanitizer_get_heap_size()
454 void __sanitizer_purge_allocator() { allocator.ForceReleaseToOS(); }  in __sanitizer_purge_allocator()