Initial creation of sourceware repository

1 files changed, 0 insertions, 352 deletions

diff --git a/mmalloc/mmprivate.h b/mmalloc/mmprivate.h
deleted file mode 100644
index 30a5d26783f..00000000000
--- a/mmalloc/mmprivate.h
+++ /dev/null
@@ -1,352 +0,0 @@
-/* Declarations for `mmalloc' and friends.
-   Copyright 1990, 1991, 1992 Free Software Foundation
-
-   Written May 1989 by Mike Haertel.
-   Heavily modified Mar 1992 by Fred Fish. (fnf@cygnus.com)
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
-
-   The author may be reached (Email) at the address mike@ai.mit.edu,
-   or (US mail) as Mike Haertel c/o Free Software Foundation. */
-
-
-#ifndef __MMPRIVATE_H
-#define __MMPRIVATE_H 1
-
-#include "mmalloc.h"
-
-#ifdef	STDC_HEADERS
-#  include <limits.h>
-#  ifndef NULL
-#    define NULL (void *) 0
-#  endif
-#else
-#  ifndef size_t
-#    define size_t unsigned int
-#  endif
-#  ifndef CHAR_BIT
-#    define CHAR_BIT 8
-#  endif
-#  ifndef NULL
-#    define NULL 0
-#  endif
-#endif
-
-#ifndef MIN
-#  define MIN(A, B) ((A) < (B) ? (A) : (B))
-#endif
-
-#define MMALLOC_MAGIC		"mmalloc"	/* Mapped file magic number */
-#define MMALLOC_MAGIC_SIZE	8		/* Size of magic number buf */
-#define MMALLOC_VERSION		1		/* Current mmalloc version */
-#define MMALLOC_KEYS		16		/* Keys for application use */
-
-/* The allocator divides the heap into blocks of fixed size; large
-   requests receive one or more whole blocks, and small requests
-   receive a fragment of a block.  Fragment sizes are powers of two,
-   and all fragments of a block are the same size.  When all the
-   fragments in a block have been freed, the block itself is freed.  */
-
-#define INT_BIT		(CHAR_BIT * sizeof(int))
-#define BLOCKLOG	(INT_BIT > 16 ? 12 : 9)
-#define BLOCKSIZE	((unsigned int) 1 << BLOCKLOG)
-#define BLOCKIFY(SIZE)	(((SIZE) + BLOCKSIZE - 1) / BLOCKSIZE)
-
-/* The difference between two pointers is a signed int.  On machines where
-   the data addresses have the high bit set, we need to ensure that the
-   difference becomes an unsigned int when we are using the address as an
-   integral value.  In addition, when using with the '%' operator, the
-   sign of the result is machine dependent for negative values, so force
-   it to be treated as an unsigned int. */
-
-#define ADDR2UINT(addr)	((unsigned int) ((char *) (addr) - (char *) NULL))
-#define RESIDUAL(addr,bsize) ((unsigned int) (ADDR2UINT (addr) % (bsize)))
-
-/* Determine the amount of memory spanned by the initial heap table
-   (not an absolute limit).  */
-
-#define HEAP		(INT_BIT > 16 ? 4194304 : 65536)
-
-/* Number of contiguous free blocks allowed to build up at the end of
-   memory before they will be returned to the system.  */
-
-#define FINAL_FREE_BLOCKS	8
-
-/* Where to start searching the free list when looking for new memory.
-   The two possible values are 0 and heapindex.  Starting at 0 seems
-   to reduce total memory usage, while starting at heapindex seems to
-   run faster.  */
-
-#define MALLOC_SEARCH_START	mdp -> heapindex
-
-/* Address to block number and vice versa.  */
-
-#define BLOCK(A) (((char *) (A) - mdp -> heapbase) / BLOCKSIZE + 1)
-
-#define ADDRESS(B) ((PTR) (((B) - 1) * BLOCKSIZE + mdp -> heapbase))
-
-/* Data structure giving per-block information.  */
-
-typedef union
-  {
-    /* Heap information for a busy block.  */
-    struct
-      {
-	/* Zero for a large block, or positive giving the
-	   logarithm to the base two of the fragment size.  */
-	int type;
-	union
-	  {
-	    struct
-	      {
-		size_t nfree;	/* Free fragments in a fragmented block.  */
-		size_t first;	/* First free fragment of the block.  */
-	      } frag;
-	    /* Size (in blocks) of a large cluster.  */
-	    size_t size;
-	  } info;
-      } busy;
-    /* Heap information for a free block (that may be the first of
-       a free cluster).  */
-    struct
-      {
-	size_t size;		/* Size (in blocks) of a free cluster.  */
-	size_t next;		/* Index of next free cluster.  */
-	size_t prev;		/* Index of previous free cluster.  */
-      } free;
-  } malloc_info;
-
-/* List of blocks allocated with `mmemalign' (or `mvalloc').  */
-
-struct alignlist
-  {
-    struct alignlist *next;
-    PTR aligned;		/* The address that mmemaligned returned.  */
-    PTR exact;			/* The address that malloc returned.  */
-  };
-
-/* Doubly linked lists of free fragments.  */
-
-struct list
-  {
-    struct list *next;
-    struct list *prev;
-  };
-
-/* Statistics available to the user.
-   FIXME:  By design, the internals of the malloc package are no longer
-   exported to the user via an include file, so access to this data needs
-   to be via some other mechanism, such as mmstat_<something> where the
-   return value is the <something> the user is interested in. */
-
-struct mstats
-  {
-    size_t bytes_total;		/* Total size of the heap. */
-    size_t chunks_used;		/* Chunks allocated by the user. */
-    size_t bytes_used;		/* Byte total of user-allocated chunks. */
-    size_t chunks_free;		/* Chunks in the free list. */
-    size_t bytes_free;		/* Byte total of chunks in the free list. */
-  };
-
-/* Internal structure that defines the format of the malloc-descriptor.
-   This gets written to the base address of the region that mmalloc is
-   managing, and thus also becomes the file header for the mapped file,
-   if such a file exists. */
-
-struct mdesc
-{
-  /* The "magic number" for an mmalloc file. */
-
-  char magic[MMALLOC_MAGIC_SIZE];
-
-  /* The size in bytes of this structure, used as a sanity check when reusing
-     a previously created mapped file. */
-
-  unsigned int headersize;
-
-  /* The version number of the mmalloc package that created this file. */
-
-  unsigned char version;
-
-  /* Some flag bits to keep track of various internal things. */
-
-  unsigned int flags;
-
-  /* If a system call made by the mmalloc package fails, the errno is
-     preserved for future examination. */
-
-  int saved_errno;
-
-  /* Pointer to the function that is used to get more core, or return core
-     to the system, for requests using this malloc descriptor.  For memory
-     mapped regions, this is the mmap() based routine.  There may also be
-     a single malloc descriptor that points to an sbrk() based routine
-     for systems without mmap() or for applications that call the mmalloc()
-     package with a NULL malloc descriptor.
-
-     FIXME:  For mapped regions shared by more than one process, this
-     needs to be maintained on a per-process basis. */
-
-  PTR (*morecore) PARAMS ((struct mdesc *, int));
-     
-  /* Pointer to the function that causes an abort when the memory checking
-     features are activated.  By default this is set to abort(), but can
-     be set to another function by the application using mmalloc().
-
-     FIXME:  For mapped regions shared by more than one process, this
-     needs to be maintained on a per-process basis. */
-
-  void (*abortfunc) PARAMS ((void));
-
-  /* Debugging hook for free.
-
-     FIXME:  For mapped regions shared by more than one process, this
-     needs to be maintained on a per-process basis. */
-
-  void (*mfree_hook) PARAMS ((PTR, PTR));
-
-  /* Debugging hook for `malloc'.
-
-     FIXME:  For mapped regions shared by more than one process, this
-     needs to be maintained on a per-process basis. */
-
-  PTR (*mmalloc_hook) PARAMS ((PTR, size_t));
-
-  /* Debugging hook for realloc.
-
-     FIXME:  For mapped regions shared by more than one process, this
-     needs to be maintained on a per-process basis. */
-
-  PTR (*mrealloc_hook) PARAMS ((PTR, PTR, size_t));
-
-  /* Number of info entries.  */
-
-  size_t heapsize;
-
-  /* Pointer to first block of the heap (base of the first block).  */
-
-  char *heapbase;
-
-  /* Current search index for the heap table.  */
-  /* Search index in the info table.  */
-
-  size_t heapindex;
-
-  /* Limit of valid info table indices.  */
-
-  size_t heaplimit;
-
-  /* Block information table.
-     Allocated with malign/__mmalloc_free (not mmalloc/mfree).  */
-  /* Table indexed by block number giving per-block information.  */
-
-  malloc_info *heapinfo;
-
-  /* Instrumentation.  */
-
-  struct mstats heapstats;
-
-  /* Free list headers for each fragment size.  */
-  /* Free lists for each fragment size.  */
-
-  struct list fraghead[BLOCKLOG];
-
-  /* List of blocks allocated by memalign.  */
-
-  struct alignlist *aligned_blocks;
-
-  /* The base address of the memory region for this malloc heap.  This
-     is the location where the bookkeeping data for mmap and for malloc
-     begins. */
-
-  char *base;
-
-  /* The current location in the memory region for this malloc heap which
-     represents the end of memory in use. */
-
-  char *breakval;
-
-  /* The end of the current memory region for this malloc heap.  This is
-     the first location past the end of mapped memory. */
-
-  char *top;
-
-  /* Open file descriptor for the file to which this malloc heap is mapped.
-     This will always be a valid file descriptor, since /dev/zero is used
-     by default if no open file is supplied by the client.  Also note that
-     it may change each time the region is mapped and unmapped. */
-
-  int fd;
-
-  /* An array of keys to data within the mapped region, for use by the
-     application.  */
-
-  PTR keys[MMALLOC_KEYS];
-
-};
-
-/* Bits to look at in the malloc descriptor flags word */
-
-#define MMALLOC_DEVZERO		(1 << 0)	/* Have mapped to /dev/zero */
-#define MMALLOC_INITIALIZED	(1 << 1)	/* Initialized mmalloc */
-#define MMALLOC_MMCHECK_USED	(1 << 2)	/* mmcheck() called already */
-
-/* Internal version of `mfree' used in `morecore'. */
-
-extern void __mmalloc_free PARAMS ((struct mdesc *, PTR));
-
-/* Hooks for debugging versions.  */
-
-extern void (*__mfree_hook) PARAMS ((PTR, PTR));
-extern PTR (*__mmalloc_hook) PARAMS ((PTR, size_t));
-extern PTR (*__mrealloc_hook) PARAMS ((PTR, PTR, size_t));
-
-/* A default malloc descriptor for the single sbrk() managed region. */
-
-extern struct mdesc *__mmalloc_default_mdp;
-
-/* Initialize the first use of the default malloc descriptor, which uses
-   an sbrk() region. */
-
-extern struct mdesc *__mmalloc_sbrk_init PARAMS ((void));
-
-/* Grow or shrink a contiguous mapped region using mmap().
-   Works much like sbrk() */
-
-#if defined(HAVE_MMAP)
-
-extern PTR __mmalloc_mmap_morecore PARAMS ((struct mdesc *, int));
-
-#endif
-
-/* Remap a mmalloc region that was previously mapped. */
-
-extern PTR __mmalloc_remap_core PARAMS ((struct mdesc *));
-
-/* Macro to convert from a user supplied malloc descriptor to pointer to the
-   internal malloc descriptor.  If the user supplied descriptor is NULL, then
-   use the default internal version, initializing it if necessary.  Otherwise
-   just cast the user supplied version (which is void *) to the proper type
-   (struct mdesc *). */
-
-#define MD_TO_MDP(md) \
-  ((md) == NULL \
-   ? (__mmalloc_default_mdp == NULL \
-      ? __mmalloc_sbrk_init () \
-      : __mmalloc_default_mdp) \
-   : (struct mdesc *) (md))
-
-#endif  /* __MMPRIVATE_H */