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fd67aa11 | 1 | /* Copyright (C) 2021-2024 Free Software Foundation, Inc. |
bb368aad VM |
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 | ||
27 | struct HeapObj; | |
28 | struct HeapChunk; | |
29 | ||
30 | typedef struct UnmapChunk | |
31 | { | |
32 | long val; | |
33 | int64_t size; | |
34 | UnmapChunk *next; | |
35 | } UnmapChunk; | |
36 | ||
37 | class HeapMap | |
38 | { | |
39 | public: | |
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 | ||
47 | private: | |
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 */ |