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      1 /* Copyright (C) 2021-2026 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 _MEMMGR_H
     22 #define _MEMMGR_H
     23 
     24 struct Heap;
     25 typedef struct Heap Heap;
     26 
     27 Heap *__collector_newHeap ();
     28 void __collector_deleteHeap (Heap *heap);
     29 
     30 /*
     31  * Initialize memmgr mutex locks.
     32  */
     33 void __collector_mmgr_init_mutex_locks (Heap *heap);
     34 
     35 /*
     36  * Allocate non-resizable memory.
     37  */
     38 void *__collector_allocCSize (Heap *heap, unsigned sz, int log);
     39 
     40 /*
     41  * Free non-resizable memory.
     42  */
     43 void __collector_freeCSize (Heap *heap, void *ptr, unsigned sz);
     44 
     45 /*
     46  * Allocate resizable memory
     47  */
     48 void *__collector_allocVSize (Heap *heap, unsigned sz);
     49 
     50 /*
     51  * Change size of resizable memory.
     52  * ptr - if not NULL, it must have been previously allocated from
     53  *       the same heap, otherwise returns allocVSize(heap, newsz);
     54  * newsz - new size; if 0, memory is freed and no new allocation
     55  *       occurs;
     56  */
     57 void *__collector_reallocVSize (Heap *heap, void *ptr, unsigned newsz);
     58 
     59 #endif
     60