src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/uptcpip/src/include/sys/bsd_malloc.h - public/gem5-resources - Git at Google

 /*-
  * Copyright (c) 1987, 1993
  *	The Regents of the University of California.
  * Copyright (c) 2005, 2009 Robert N. M. Watson
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  *	@(#)malloc.h	8.5 (Berkeley) 5/3/95
  * $FreeBSD$
  */

 #ifndef _BSD_SYS_MALLOC_H_
 #define	_BSD_SYS_MALLOC_H_

 #include <sys/bsd_param.h>
 #include <sys/bsd_queue.h>
 #include <sys/bsd__lock.h>
 #include <sys/bsd__mutex.h>

 #define	MINALLOCSIZE	UMA_SMALLEST_UNIT

 /*
  * flags to malloc.
  */
 #define	M_NOWAIT	0x0001		/* do not block */
 #define	M_WAITOK	0x0002		/* ok to block */
 #define	M_ZERO		0x0100		/* bzero the allocation */
 #define	M_NOVM		0x0200		/* don't ask VM for pages */
 #define	M_USE_RESERVE	0x0400		/* can alloc out of reserve memory */

 #define	M_MAGIC		877983977	/* time when first defined :-) */

 /*
  * Two malloc type structures are present: malloc_type, which is used by a
  * type owner to declare the type, and malloc_type_internal, which holds
  * malloc-owned statistics and other ABI-sensitive fields, such as the set of
  * malloc statistics indexed by the compile-time MAXCPU constant.
  * Applications should avoid introducing dependence on the allocator private
  * data layout and size.
  *
  * The malloc_type ks_next field is protected by malloc_mtx.  Other fields in
  * malloc_type are static after initialization so unsynchronized.
  *
  * Statistics in malloc_type_stats are written only when holding a critical
  * section and running on the CPU associated with the index into the stat
  * array, but read lock-free resulting in possible (minor) races, which the
  * monitoring app should take into account.
  */
 struct malloc_type_stats {
 	uint64_t	mts_memalloced;	/* Bytes allocated on CPU. */
 	uint64_t	mts_memfreed;	/* Bytes freed on CPU. */
 	uint64_t	mts_numallocs;	/* Number of allocates on CPU. */
 	uint64_t	mts_numfrees;	/* number of frees on CPU. */
 	uint64_t	mts_size;	/* Bitmask of sizes allocated on CPU. */
 	uint64_t	_mts_reserved1;	/* Reserved field. */
 	uint64_t	_mts_reserved2;	/* Reserved field. */
 	uint64_t	_mts_reserved3;	/* Reserved field. */
 };

 /*
  * Index definitions for the mti_probes[] array.
  */
 #define DTMALLOC_PROBE_MALLOC		0
 #define DTMALLOC_PROBE_FREE		1
 #define DTMALLOC_PROBE_MAX		2

 struct malloc_type_internal {
 	uint32_t	mti_probes[DTMALLOC_PROBE_MAX];
 					/* DTrace probe ID array. */
 	struct malloc_type_stats	mti_stats[MAXCPU];
 };

 /*
  * Public data structure describing a malloc type.  Private data is hung off
  * of ks_handle to avoid encoding internal malloc(9) data structures in
  * modules, which will statically allocate struct malloc_type.
  */
 struct malloc_type {
 	struct malloc_type *ks_next;	/* Next in global chain. */
 	u_long		 ks_magic;	/* Detect programmer error. */
 	const char	*ks_shortdesc;	/* Printable type name. */
 	void		*ks_handle;	/* Priv. data, was lo_class. */
 };

 /*
  * Statistics structure headers for user space.  The kern.malloc sysctl
  * exposes a structure stream consisting of a stream header, then a series of
  * malloc type headers and statistics structures (quantity maxcpus).  For
  * convenience, the kernel will provide the current value of maxcpus at the
  * head of the stream.
  */
 #define	MALLOC_TYPE_STREAM_VERSION	0x00000001
 struct malloc_type_stream_header {
 	uint32_t	mtsh_version;	/* Stream format version. */
 	uint32_t	mtsh_maxcpus;	/* Value of MAXCPU for stream. */
 	uint32_t	mtsh_count;	/* Number of records. */
 	uint32_t	_mtsh_pad;	/* Pad/reserved field. */
 };

 #define	MALLOC_MAX_NAME	32
 struct malloc_type_header {
 	char				mth_name[MALLOC_MAX_NAME];
 };

 #ifdef _FREEBSD_KERNEL
 #define	MALLOC_DEFINE(type, shortdesc, longdesc)			\
 	struct malloc_type type[1] = {					\
 		{ NULL, M_MAGIC, shortdesc, NULL }			\
 	};								\
 	SYSINIT(type##_init, SI_SUB_KMEM, SI_ORDER_SECOND, malloc_init,	\
 	    type);							\
 	SYSUNINIT(type##_uninit, SI_SUB_KMEM, SI_ORDER_ANY,		\
 	    malloc_uninit, type)

 #define	MALLOC_DECLARE(type) \
 	extern struct malloc_type type[1]

 MALLOC_DECLARE(M_CACHE);
 MALLOC_DECLARE(M_DEVBUF);
 MALLOC_DECLARE(M_TEMP);

 MALLOC_DECLARE(M_IP6OPT); /* for INET6 */
 MALLOC_DECLARE(M_IP6NDP); /* for INET6 */

 /*
  * Deprecated macro versions of not-quite-malloc() and free().
  */
 #define	MALLOC(space, cast, size, type, flags) \
 	((space) = (cast)bsd_malloc((u_long)(size), (type), (flags)))
 #define	FREE(addr, type) bsd_free((addr), (type))

 /*
  * XXX this should be declared in <sys/uio.h>, but that tends to fail
  * because <sys/uio.h> is included in a header before the source file
  * has a chance to include <sys/malloc.h> to get MALLOC_DECLARE() defined.
  */
 MALLOC_DECLARE(M_IOV);

 extern struct mtx malloc_mtx;

 /*
  * Function type used when iterating over the list of malloc types.
  */
 typedef void malloc_type_list_func_t(struct malloc_type *, void *);

 void	contigfree(void *addr, unsigned long size, struct malloc_type *type);
 void	*contigmalloc(unsigned long size, struct malloc_type *type, int flags,
 	    vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
 	    unsigned long boundary) __malloc_like;
 void	bsd_free(void *addr, struct malloc_type *type);
 void	*bsd_malloc(unsigned long size, struct malloc_type *type, int flags) __malloc_like;
 void	malloc_init(void *);
 int	malloc_last_fail(void);
 void	malloc_type_allocated(struct malloc_type *type, unsigned long size);
 void	malloc_type_freed(struct malloc_type *type, unsigned long size);
 void	malloc_type_list(malloc_type_list_func_t *, void *);
 void	malloc_uninit(void *);
 void	*bsd_realloc(void *addr, unsigned long size, struct malloc_type *type,
 	    int flags);
 void	*reallocf(void *addr, unsigned long size, struct malloc_type *type,
 	    int flags);

 struct malloc_type *malloc_desc2type(const char *desc);
 #endif /* _FREEBSD_KERNEL */

 #endif /* !_BSD_SYS_MALLOC_H_ */
	/*-
	* Copyright (c) 1987, 1993
	* The Regents of the University of California.
	* Copyright (c) 2005, 2009 Robert N. M. Watson
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 4. Neither the name of the University nor the names of its contributors
	* may be used to endorse or promote products derived from this software
	* without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*
	* @(#)malloc.h 8.5 (Berkeley) 5/3/95
	* $FreeBSD$
	*/

	#ifndef _BSD_SYS_MALLOC_H_
	#define _BSD_SYS_MALLOC_H_

	#include <sys/bsd_param.h>
	#include <sys/bsd_queue.h>
	#include <sys/bsd__lock.h>
	#include <sys/bsd__mutex.h>

	#define MINALLOCSIZE UMA_SMALLEST_UNIT

	/*
	* flags to malloc.
	*/
	#define M_NOWAIT 0x0001 /* do not block */
	#define M_WAITOK 0x0002 /* ok to block */
	#define M_ZERO 0x0100 /* bzero the allocation */
	#define M_NOVM 0x0200 /* don't ask VM for pages */
	#define M_USE_RESERVE 0x0400 /* can alloc out of reserve memory */

	#define M_MAGIC 877983977 /* time when first defined :-) */

	/*
	* Two malloc type structures are present: malloc_type, which is used by a
	* type owner to declare the type, and malloc_type_internal, which holds
	* malloc-owned statistics and other ABI-sensitive fields, such as the set of
	* malloc statistics indexed by the compile-time MAXCPU constant.
	* Applications should avoid introducing dependence on the allocator private
	* data layout and size.
	*
	* The malloc_type ks_next field is protected by malloc_mtx. Other fields in
	* malloc_type are static after initialization so unsynchronized.
	*
	* Statistics in malloc_type_stats are written only when holding a critical
	* section and running on the CPU associated with the index into the stat
	* array, but read lock-free resulting in possible (minor) races, which the
	* monitoring app should take into account.
	*/
	struct malloc_type_stats {
	uint64_t mts_memalloced; /* Bytes allocated on CPU. */
	uint64_t mts_memfreed; /* Bytes freed on CPU. */
	uint64_t mts_numallocs; /* Number of allocates on CPU. */
	uint64_t mts_numfrees; /* number of frees on CPU. */
	uint64_t mts_size; /* Bitmask of sizes allocated on CPU. */
	uint64_t _mts_reserved1; /* Reserved field. */
	uint64_t _mts_reserved2; /* Reserved field. */
	uint64_t _mts_reserved3; /* Reserved field. */
	};

	/*
	* Index definitions for the mti_probes[] array.
	*/
	#define DTMALLOC_PROBE_MALLOC 0
	#define DTMALLOC_PROBE_FREE 1
	#define DTMALLOC_PROBE_MAX 2

	struct malloc_type_internal {
	uint32_t mti_probes[DTMALLOC_PROBE_MAX];
	/* DTrace probe ID array. */
	struct malloc_type_stats mti_stats[MAXCPU];
	};

	/*
	* Public data structure describing a malloc type. Private data is hung off
	* of ks_handle to avoid encoding internal malloc(9) data structures in
	* modules, which will statically allocate struct malloc_type.
	*/
	struct malloc_type {
	struct malloc_type ks_next; / Next in global chain. */
	u_long ks_magic; /* Detect programmer error. */
	const char ks_shortdesc; / Printable type name. */
	void ks_handle; / Priv. data, was lo_class. */
	};

	/*
	* Statistics structure headers for user space. The kern.malloc sysctl
	* exposes a structure stream consisting of a stream header, then a series of
	* malloc type headers and statistics structures (quantity maxcpus). For
	* convenience, the kernel will provide the current value of maxcpus at the
	* head of the stream.
	*/
	#define MALLOC_TYPE_STREAM_VERSION 0x00000001
	struct malloc_type_stream_header {
	uint32_t mtsh_version; /* Stream format version. */
	uint32_t mtsh_maxcpus; /* Value of MAXCPU for stream. */
	uint32_t mtsh_count; /* Number of records. */
	uint32_t _mtsh_pad; /* Pad/reserved field. */
	};

	#define MALLOC_MAX_NAME 32
	struct malloc_type_header {
	char mth_name[MALLOC_MAX_NAME];
	};

	#ifdef _FREEBSD_KERNEL
	#define MALLOC_DEFINE(type, shortdesc, longdesc) \
	struct malloc_type type[1] = { \
	{ NULL, M_MAGIC, shortdesc, NULL } \
	}; \
	SYSINIT(type##_init, SI_SUB_KMEM, SI_ORDER_SECOND, malloc_init, \
	type); \
	SYSUNINIT(type##_uninit, SI_SUB_KMEM, SI_ORDER_ANY, \
	malloc_uninit, type)

	#define MALLOC_DECLARE(type) \
	extern struct malloc_type type[1]

	MALLOC_DECLARE(M_CACHE);
	MALLOC_DECLARE(M_DEVBUF);
	MALLOC_DECLARE(M_TEMP);

	MALLOC_DECLARE(M_IP6OPT); /* for INET6 */
	MALLOC_DECLARE(M_IP6NDP); /* for INET6 */

	/*
	* Deprecated macro versions of not-quite-malloc() and free().
	*/
	#define MALLOC(space, cast, size, type, flags) \
	((space) = (cast)bsd_malloc((u_long)(size), (type), (flags)))
	#define FREE(addr, type) bsd_free((addr), (type))

	/*
	* XXX this should be declared in <sys/uio.h>, but that tends to fail
	* because <sys/uio.h> is included in a header before the source file
	* has a chance to include <sys/malloc.h> to get MALLOC_DECLARE() defined.
	*/
	MALLOC_DECLARE(M_IOV);

	extern struct mtx malloc_mtx;

	/*
	* Function type used when iterating over the list of malloc types.
	*/
	typedef void malloc_type_list_func_t(struct malloc_type , void );

	void contigfree(void addr, unsigned long size, struct malloc_type type);
	void contigmalloc(unsigned long size, struct malloc_type type, int flags,
	vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
	unsigned long boundary) __malloc_like;
	void bsd_free(void addr, struct malloc_type type);
	void bsd_malloc(unsigned long size, struct malloc_type type, int flags) __malloc_like;
	void malloc_init(void *);
	int malloc_last_fail(void);
	void malloc_type_allocated(struct malloc_type *type, unsigned long size);
	void malloc_type_freed(struct malloc_type *type, unsigned long size);
	void malloc_type_list(malloc_type_list_func_t , void );
	void malloc_uninit(void *);
	void bsd_realloc(void addr, unsigned long size, struct malloc_type *type,
	int flags);
	void reallocf(void addr, unsigned long size, struct malloc_type *type,
	int flags);

	struct malloc_type malloc_desc2type(const char desc);
	#endif /* _FREEBSD_KERNEL */

	#endif /* !_BSD_SYS_MALLOC_H_ */