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