xnu-4903.221.2.tar.gz

[apple/xnu.git] / osfmk / kern / kalloc.h

diff --git a/osfmk/kern/kalloc.h b/osfmk/kern/kalloc.h
index 657848b41b8a7659c93e97ae16292061862538f1..3c6f5804bb72dfc7015a138dde9b05d272d3a319 100644 (file)
--- a/osfmk/kern/kalloc.h
+++ b/osfmk/kern/kalloc.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * @OSF_COPYRIGHT@
  */
 /*
  * @OSF_COPYRIGHT@


@@ -48,43 +54,131 @@
  * the rights to redistribute these changes.
  */
 
  * the rights to redistribute these changes.
  */
 

+#ifdef KERNEL_PRIVATE
+

 #ifndef        _KERN_KALLOC_H_
 #define _KERN_KALLOC_H_
 
 #include <mach/machine/vm_types.h>
 #ifndef        _KERN_KALLOC_H_
 #define _KERN_KALLOC_H_
 
 #include <mach/machine/vm_types.h>

+#include <mach/boolean.h>
+#include <sys/cdefs.h>
+#include <mach/vm_types.h>
+
+__BEGIN_DECLS
+
+#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_MINSIZE         16
+#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); })

 
 

-extern vm_offset_t     kalloc(
-                                               vm_size_t       size);

 
 

-extern vm_offset_t     kalloc_noblock(
-                                      vm_size_t        size);
+/* these versions update the size reference with the actual size allocated */

 
 

-extern vm_offset_t     kget(
-                                               vm_size_t       size);
+#define kallocp(size)                               \
+       ({ VM_ALLOC_SITE_STATIC(0, 0);                  \
+       kalloc_canblock((size), TRUE, &site); })

 
 

-extern void                    kfree(
-                                               vm_offset_t     data,
-                                               vm_size_t       size);
+#define kallocp_tag(size, itag)                     \
+       ({ VM_ALLOC_SITE_STATIC(0, (itag));             \
+       kalloc_canblock((size), TRUE, &site); })

 
 

-#include <sys/appleapiopts.h>
+#define kallocp_tag_bt(size, itag)                  \
+       ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag));     \
+       kalloc_canblock((size), TRUE, &site); })

 
 

-#ifdef __APPLE_API_PRIVATE
+#define kallocp_noblock(size)                       \
+       ({ VM_ALLOC_SITE_STATIC(0, 0);                  \
+       kalloc_canblock((size), FALSE, &site); })

 
 

-#ifdef MACH_KERNEL_PRIVATE
-#include <kern/lock.h>
+#define kallocp_noblock_tag_bt(size, itag)          \
+       ({ VM_ALLOC_SITE_STATIC(VM_TAG_BT, (itag));     \
+       kalloc_canblock((size), FALSE, &site); })
+
+
+
+extern void kfree(void         *data,
+                 vm_size_t     size);
+
+#else /* XNU_KERNEL_PRIVATE */
+
+extern void *kalloc(vm_size_t  size) __attribute__((alloc_size(1)));
+
+extern void *kalloc_noblock(vm_size_t  size) __attribute__((alloc_size(1)));
+
+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            kalloc_init(void);
 

-extern void            krealloc(
-                                       vm_offset_t     *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,
+                               vm_size_t       *cur_size,
+                               vm_size_t       *max_size,
+                               vm_size_t       *elem_size,
+                               vm_size_t       *alloc_size,
+                               uint64_t        *sum_size,
+                               int             *collectable,
+                               int             *exhaustable,
+                               int             *caller_acct);

 
 

-#endif /* MACH_KERNEL_PRIVATE */
+extern vm_size_t kalloc_max_prerounded;
+extern vm_size_t kalloc_large_total;

 
 

-#endif /* __APPLE_APPI_PRIVATE */
+#endif /* MACH_KERNEL_PRIVATE */

 
 #endif /* _KERN_KALLOC_H_ */
 
 #endif /* _KERN_KALLOC_H_ */

+
+#endif /* KERNEL_PRIVATE */