1/* Copyright (C) 2021 Free Software Foundation, Inc. 2 Contributed by Oracle. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21#ifndef _HEAPMAP_H 22#define _HEAPMAP_H 23 24#include "dbe_types.h" 25#include "vec.h" 26 27struct HeapObj; 28struct HeapChunk; 29 30typedef struct UnmapChunk 31{ 32 long val; 33 int64_t size; 34 UnmapChunk *next; 35} UnmapChunk; 36 37class HeapMap 38{ 39public: 40 HeapMap (); 41 ~HeapMap (); 42 void allocate (uint64_t addr, long val); 43 long deallocate (uint64_t addr); 44 UnmapChunk *mmap (uint64_t addr, int64_t size, long val); 45 UnmapChunk *munmap (uint64_t addr, int64_t size); 46 47private: 48 void allocateChunk (); 49 HeapObj *getHeapObj (); 50 void releaseHeapObj (HeapObj*); 51 UnmapChunk *process (HeapObj *obj, uint64_t addr, int64_t size); 52 53 HeapChunk *chunks; 54 HeapObj *empty; 55 HeapObj **chain; 56 HeapObj *mmaps; 57}; 58 59#endif /* _HEAPMAP_H */ 60