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https://github.com/autc04/Retro68.git
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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _HEAPMAP_H
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#define _HEAPMAP_H
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#include "dbe_types.h"
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#include "vec.h"
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struct HeapObj;
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struct HeapChunk;
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typedef struct UnmapChunk
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{
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long val;
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int64_t size;
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UnmapChunk *next;
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} UnmapChunk;
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class HeapMap
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{
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public:
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HeapMap ();
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~HeapMap ();
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void allocate (uint64_t addr, long val);
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long deallocate (uint64_t addr);
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UnmapChunk *mmap (uint64_t addr, int64_t size, long val);
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UnmapChunk *munmap (uint64_t addr, int64_t size);
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private:
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void allocateChunk ();
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HeapObj *getHeapObj ();
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void releaseHeapObj (HeapObj*);
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UnmapChunk *process (HeapObj *obj, uint64_t addr, int64_t size);
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HeapChunk *chunks;
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HeapObj *empty;
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HeapObj **chain;
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HeapObj *mmaps;
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};
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#endif /* _HEAPMAP_H */
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