Move rtems/freebsd to freebsd and contrib to freebsd/contrib

1 files changed, 189 insertions, 0 deletions

diff --git a/freebsd/sys/malloc.h b/freebsd/sys/malloc.h
new file mode 100644
index 00000000..7d229310
--- /dev/null
+++ b/freebsd/sys/malloc.h
@@ -0,0 +1,189 @@
+/*-
+ * 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 _SYS_MALLOC_HH_
+#define	_SYS_MALLOC_HH_
+
+#include <rtems/freebsd/sys/param.h>
+#include <rtems/freebsd/sys/queue.h>
+#include <rtems/freebsd/sys/_lock.h>
+#include <rtems/freebsd/sys/_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 _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)malloc((u_long)(size), (type), (flags)))
+#define	FREE(addr, type) 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	free(void *addr, struct malloc_type *type);
+void	*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	*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 /* _KERNEL */
+
+#endif /* !_SYS_MALLOC_HH_ */