1 //===-- sanitizer_allocator.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 // Specialized memory allocator for ThreadSanitizer, MemorySanitizer, etc. 9 // 10 //===----------------------------------------------------------------------===// 11 12 #ifndef SANITIZER_ALLOCATOR_H 13 #define SANITIZER_ALLOCATOR_H 14 15 #include "sanitizer_internal_defs.h" 16 #include "sanitizer_common.h" 17 #include "sanitizer_libc.h" 18 #include "sanitizer_list.h" 19 #include "sanitizer_mutex.h" 20 #include "sanitizer_lfstack.h" 21 #include "sanitizer_procmaps.h" 22 23 namespace __sanitizer { 24 25 // Returns true if ReportAllocatorCannotReturnNull(true) was called. 26 // Can be use to avoid memory hungry operations. 27 bool IsReportingOOM(); 28 29 // Prints error message and kills the program. 30 void NORETURN ReportAllocatorCannotReturnNull(bool out_of_memory); 31 32 // Allocators call these callbacks on mmap/munmap. 33 struct NoOpMapUnmapCallback { 34 void OnMap(uptr p, uptr size) const { } 35 void OnUnmap(uptr p, uptr size) const { } 36 }; 37 38 // Callback type for iterating over chunks. 39 typedef void (*ForEachChunkCallback)(uptr chunk, void *arg); 40 41 // Returns true if calloc(size, n) should return 0 due to overflow in size*n. 42 bool CallocShouldReturnNullDueToOverflow(uptr size, uptr n); 43 44 #include "sanitizer_allocator_size_class_map.h" 45 #include "sanitizer_allocator_stats.h" 46 #include "sanitizer_allocator_primary64.h" 47 #include "sanitizer_allocator_bytemap.h" 48 #include "sanitizer_allocator_primary32.h" 49 #include "sanitizer_allocator_local_cache.h" 50 #include "sanitizer_allocator_secondary.h" 51 #include "sanitizer_allocator_combined.h" 52 53 } // namespace __sanitizer 54 55 #endif // SANITIZER_ALLOCATOR_H 56