135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
/* GNU Objective C Runtime Memory allocation functions
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Copyright (C) 1993-2020 Free Software Foundation, Inc.
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Contributed by Kresten Krab Thorup
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file includes the standard functions for memory allocation and
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disposal. Users should use these functions in their ObjC programs
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so that they work properly with garbage collectors. */
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/* TODO: Turn these into macros or inline functions. */
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#include "objc-private/common.h"
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#include "objc-private/error.h"
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/* __USE_FIXED_PROTOTYPES__ used to be required to get prototypes for
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malloc, free, etc. on some platforms. It is unclear if we still
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need it, but it can't hurt. */
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#define __USE_FIXED_PROTOTYPES__
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#include <stdlib.h>
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#include "objc/runtime.h"
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#if OBJC_WITH_GC
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#include <gc/gc.h>
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void *
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objc_malloc (size_t size)
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{
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void *res = (void *)(GC_malloc (size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_atomic_malloc (size_t size)
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{
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void *res = (void *)(GC_malloc_atomic (size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_realloc (void *mem, size_t size)
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{
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void *res = (void *)(GC_realloc (mem, size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_calloc (size_t nelem, size_t size)
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{
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/* Note that GC_malloc returns cleared memory (see documentation) so
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there is no need to clear it. */
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void *res = (void *)(GC_malloc (nelem * size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void
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objc_free (void *mem __attribute__ ((__unused__)))
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{
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return;
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}
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#else
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void *
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objc_malloc (size_t size)
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{
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void *res = (void *)(malloc (size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_atomic_malloc (size_t size)
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{
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void *res = (void *)(malloc (size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_realloc (void *mem, size_t size)
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{
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void *res = (void *)(realloc (mem, size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void *
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objc_calloc (size_t nelem, size_t size)
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{
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void *res = (void *)(calloc (nelem, size));
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if (! res)
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_objc_abort ("Virtual memory exhausted\n");
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return res;
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}
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void
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objc_free (void *mem)
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{
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free (mem);
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}
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#endif /* !OBJC_WITH_GC */
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