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/*
* Copyright (c) 2009 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* CFBase.c
Copyright (c) 1998-2009, Apple Inc. All rights reserved.
Responsibility: Christopher Kane
*/
#ifndef THIRD_PARTY_APPLE_APSL_CFBASE_H_
#define THIRD_PARTY_APPLE_APSL_CFBASE_H_
#include "CFRuntime.h"
struct ChromeCFAllocatorLeopards {
ChromeCFRuntimeBase _base;
#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
size_t (*size)(struct _malloc_zone_t *zone, const void *ptr); /* returns the size of a block or 0 if not in this zone; must be fast, especially for negative answers */
void *(*malloc)(struct _malloc_zone_t *zone, size_t size);
void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */
void *(*valloc)(struct _malloc_zone_t *zone, size_t size); /* same as malloc, but block returned is set to zero and is guaranteed to be page aligned */
void (*free)(struct _malloc_zone_t *zone, void *ptr);
void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size);
void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
const char *zone_name;
unsigned (*batch_malloc)(struct _malloc_zone_t *zone, size_t size, void **results, unsigned num_requested); /* given a size, returns pointers capable of holding that size; returns the number of pointers allocated (maybe 0 or less than num_requested) */
void (*batch_free)(struct _malloc_zone_t *zone, void **to_be_freed, unsigned num_to_be_freed); /* frees all the pointers in to_be_freed; note that to_be_freed may be overwritten during the process */
struct malloc_introspection_t *introspect;
void *reserved5;
#endif
CFAllocatorRef _allocator;
CFAllocatorContext _context;
};
// TODO(avi): update upon source release; http://crbug.com/74589
struct ChromeCFAllocatorLion {
ChromeCFRuntimeBase _base;
// CFAllocator in Darwin 9 included a complete copy of _malloc_zone_t. The
// version in Darwin 10 had an abbreviated _malloc_zone_t that ended after the
// version/"reserved" field (see above). Darwin 11 appears to have a truncated
// _malloc_zone_t as well, but two fields larger than 9/10.
void* presumedSizeFunctionPtr;
void* presumedMallocFunctionPtr;
void* presumedCallocFunctionPtr;
void* presumedVallocFunctionPtr;
void* presumedFreeFunctionPtr;
void* presumedReallocFunctionPtr;
void* presumedDestroyFunctionPtr;
const char *zone_name;
void* presumedBatchMallocFunctionPtr;
void* presumedBatchFreeFunctionPtr;
void* presumedIntrospectStructPtr;
void* presumedReservedSlashVersion; // always 6 in CFAllocators
void* presumedMemalignFunctionPtr;
void* presumedFreeDefiniteSizeFunctionPtr;
CFAllocatorRef _allocator;
CFAllocatorContext _context;
};
#endif // THIRD_PARTY_APPLE_APSL_CFBASE_H_
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