X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..d26ffc64f583ab2d29df48f13518685602bc8832:/osfmk/kern/kalloc.h diff --git a/osfmk/kern/kalloc.h b/osfmk/kern/kalloc.h index fefa9f69f..3c6f5804b 100644 --- a/osfmk/kern/kalloc.h +++ b/osfmk/kern/kalloc.h @@ -1,14 +1,19 @@ /* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_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. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * 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 @@ -18,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -55,33 +60,108 @@ #define _KERN_KALLOC_H_ #include +#include #include +#include __BEGIN_DECLS -extern void *kalloc(vm_size_t size); +#if XNU_KERNEL_PRIVATE + +extern void * +kalloc_canblock( + vm_size_t * size, + boolean_t canblock, + vm_allocation_site_t * site); + +extern vm_size_t +kalloc_size( + void * addr); + +extern vm_size_t +kfree_addr( + void * addr); + +extern vm_size_t +kalloc_bucket_size( + vm_size_t size); + +#define kalloc(size) \ + ({ VM_ALLOC_SITE_STATIC(0, 0); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, TRUE, &site); }) + +#define kalloc_tag(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(0, (itag)); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, TRUE, &site); }) + +#define kalloc_tag_bt(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag)); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, TRUE, &site); }) + +#define kalloc_noblock(size) \ + ({ VM_ALLOC_SITE_STATIC(0, 0); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, FALSE, &site); }) + +#define kalloc_noblock_tag(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(0, (itag)); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, FALSE, &site); }) + +#define kalloc_noblock_tag_bt(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag)); \ + vm_size_t tsize = (size); \ + kalloc_canblock(&tsize, FALSE, &site); }) + + +/* these versions update the size reference with the actual size allocated */ + +#define kallocp(size) \ + ({ VM_ALLOC_SITE_STATIC(0, 0); \ + kalloc_canblock((size), TRUE, &site); }) + +#define kallocp_tag(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(0, (itag)); \ + kalloc_canblock((size), TRUE, &site); }) + +#define kallocp_tag_bt(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag)); \ + kalloc_canblock((size), TRUE, &site); }) + +#define kallocp_noblock(size) \ + ({ VM_ALLOC_SITE_STATIC(0, 0); \ + kalloc_canblock((size), FALSE, &site); }) + +#define kallocp_noblock_tag_bt(size, itag) \ + ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag)); \ + kalloc_canblock((size), FALSE, &site); }) -extern void *kalloc_noblock(vm_size_t size); -extern void *kget(vm_size_t size); extern void kfree(void *data, vm_size_t size); -__END_DECLS +#else /* XNU_KERNEL_PRIVATE */ -#ifdef MACH_KERNEL_PRIVATE +extern void *kalloc(vm_size_t size) __attribute__((alloc_size(1))); -#include +extern void *kalloc_noblock(vm_size_t size) __attribute__((alloc_size(1))); -#define KALLOC_MINSIZE 16 +extern void kfree(void *data, + vm_size_t size); + +#endif /* !XNU_KERNEL_PRIVATE */ + +__END_DECLS + +#ifdef MACH_KERNEL_PRIVATE extern void kalloc_init(void); -extern void krealloc(void **addrp, - vm_size_t old_size, - vm_size_t new_size, - simple_lock_t lock); +extern void kalloc_fake_zone_init( int ); extern void kalloc_fake_zone_info( int *count, @@ -89,10 +169,13 @@ extern void kalloc_fake_zone_info( vm_size_t *max_size, vm_size_t *elem_size, vm_size_t *alloc_size, + uint64_t *sum_size, int *collectable, - int *exhaustable); + int *exhaustable, + int *caller_acct); extern vm_size_t kalloc_max_prerounded; +extern vm_size_t kalloc_large_total; #endif /* MACH_KERNEL_PRIVATE */