| /* GNU Objective C Runtime Memory allocation functions |
| Copyright (C) 1993-2022 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 */ |