From 40d7cd0fd78fe2004e2a53c4618c148339b02733 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Mon, 19 Dec 2011 16:56:54 -0800 Subject: Add gcc-4.6. Synced to @180989 Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439 svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile --- gcc-4.6/libobjc/memory.c | 170 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 gcc-4.6/libobjc/memory.c (limited to 'gcc-4.6/libobjc/memory.c') diff --git a/gcc-4.6/libobjc/memory.c b/gcc-4.6/libobjc/memory.c new file mode 100644 index 000000000..b0519fc87 --- /dev/null +++ b/gcc-4.6/libobjc/memory.c @@ -0,0 +1,170 @@ +/* GNU Objective C Runtime Memory allocation functions + Copyright (C) 1993, 1994, 1995, 1996, 1997, 2002, 2009, 2010 + 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 +. */ + +/* 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 + +#include "objc/runtime.h" + +#if OBJC_WITH_GC +#include + +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 */ + +/* The rest of the file contains deprecated code. */ + +#if OBJC_WITH_GC + +void * +objc_valloc (size_t size) +{ + void *res = (void *)(GC_malloc (size)); + if (! res) + _objc_abort ("Virtual memory exhausted\n"); + return res; +} + +#else + +void * +objc_valloc (size_t size) +{ + void *res = (void *)(malloc (size)); + if (! res) + _objc_abort ("Virtual memory exhausted\n"); + return res; +} + +#endif /* !OBJC_WITH_GC */ + +/* Hook functions for memory allocation and disposal. Deprecated and + currently unused. */ +void *(*_objc_malloc) (size_t) = malloc; +void *(*_objc_atomic_malloc) (size_t) = malloc; +void *(*_objc_valloc) (size_t) = malloc; +void *(*_objc_realloc) (void *, size_t) = realloc; +void *(*_objc_calloc) (size_t, size_t) = calloc; +void (*_objc_free) (void *) = free; -- cgit v1.2.3