2010-04-09 Kai Tietz <kai.tietz@onevision.com>

[pf3gnuchains/gcc-fork.git] / gcc / alloc-pool.h

diff --git a/gcc/alloc-pool.h b/gcc/alloc-pool.h
index 6038a03..fa9848a 100644 (file)
--- a/gcc/alloc-pool.h
+++ b/gcc/alloc-pool.h
@@ -1,12 +1,13 @@
-
 /* Functions to support a pool of allocatable objects
-   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2007
+   Free Software Foundation, Inc.
    Contributed by Daniel Berlin <dan@cgsoftware.com>
+
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GCC is distributed in the hope that it will be useful,
@@ -15,12 +16,13 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 #ifndef ALLOC_POOL_H
 #define ALLOC_POOL_H
 
+typedef unsigned long ALLOC_POOL_ID_TYPE;
+
 typedef struct alloc_pool_list_def
 {
   struct alloc_pool_list_def *next;
@@ -29,9 +31,23 @@ typedef struct alloc_pool_list_def
 
 typedef struct alloc_pool_def
 {
-  char *name;
+  const char *name;
+#ifdef ENABLE_CHECKING
+  ALLOC_POOL_ID_TYPE id;
+#endif
   size_t elts_per_block;
-  alloc_pool_list free_list;
+
+  /* These are the elements that have been allocated at least once and freed.  */
+  alloc_pool_list returned_free_list;
+
+  /* These are the elements that have not yet been allocated out of
+     the last block obtained from XNEWVEC.  */
+  char* virgin_free_list;
+
+  /* The number of elements in the virgin_free_list that can be
+     allocated before needing another block.  */
+  size_t virgin_elts_remaining;
+
   size_t elts_allocated;
   size_t elts_free;
   size_t blocks_allocated;
@@ -41,8 +57,11 @@ typedef struct alloc_pool_def
 }
  *alloc_pool;
 
-extern alloc_pool create_alloc_pool PARAMS ((const char *, size_t, size_t));
-extern void free_alloc_pool PARAMS ((alloc_pool));
-extern void *pool_alloc PARAMS ((alloc_pool));
-extern void pool_free PARAMS ((alloc_pool, void *));
+extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
+extern void free_alloc_pool (alloc_pool);
+extern void empty_alloc_pool (alloc_pool);
+extern void free_alloc_pool_if_empty (alloc_pool *);
+extern void *pool_alloc (alloc_pool);
+extern void pool_free (alloc_pool, void *);
+extern void dump_alloc_pool_statistics (void);
 #endif