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/* GNU Objective C Runtime Memory allocation functions
Copyright (C) 1993-2024 Free Software Foundation, Inc.
Contributed by Kresten Krab Thorup
This file is part of GCC.
GCC 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.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* This file includes the standard functions for memory allocation and
disposal. Users should use these functions in their ObjC programs
so that they work properly with garbage collectors. */
/* TODO: Turn these into macros or inline functions. */
#include "objc-private/common.h"
#include "objc-private/error.h"
/* __USE_FIXED_PROTOTYPES__ used to be required to get prototypes for
malloc, free, etc. on some platforms. It is unclear if we still
need it, but it can't hurt. */
#define __USE_FIXED_PROTOTYPES__
#include <stdlib.h>
#include "objc/runtime.h"
#if OBJC_WITH_GC
#include <gc/gc.h>
void *
objc_malloc (size_t size)
{
void *res = (void *)(GC_malloc (size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_atomic_malloc (size_t size)
{
void *res = (void *)(GC_malloc_atomic (size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_realloc (void *mem, size_t size)
{
void *res = (void *)(GC_realloc (mem, size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_calloc (size_t nelem, size_t size)
{
/* Note that GC_malloc returns cleared memory (see documentation) so
there is no need to clear it. */
void *res = (void *)(GC_malloc (nelem * size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void
objc_free (void *mem __attribute__ ((__unused__)))
{
return;
}
#else
void *
objc_malloc (size_t size)
{
void *res = (void *)(malloc (size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_atomic_malloc (size_t size)
{
void *res = (void *)(malloc (size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_realloc (void *mem, size_t size)
{
void *res = (void *)(realloc (mem, size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void *
objc_calloc (size_t nelem, size_t size)
{
void *res = (void *)(calloc (nelem, size));
if (! res)
_objc_abort ("Virtual memory exhausted\n");
return res;
}
void
objc_free (void *mem)
{
free (mem);
}
#endif /* !OBJC_WITH_GC */
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