gcc/ggc-none.c

   1 /* Null garbage collection for the GNU compiler.
   2    Copyright (C) 1998, 1999, 2000, 2003, 2004, 2005, 2007, 2010
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 /* This version is used by the gen* programs and certain language-specific
  22    targets (such as java), where we don't really need GC at all.
  23    This prevents problems with pulling in all the tree stuff.  */
  24
  25 #ifdef GENERATOR_FILE
  26 #include "bconfig.h"
  27 #else
  28 #include "config.h"
  29 #endif
  30
  31 #include "system.h"
  32 #include "coretypes.h"
  33 #include "ggc.h"
  34
  35 void *
  36 ggc_alloc_typed_stat (enum gt_types_enum ARG_UNUSED (gte), size_t size
  37                       MEM_STAT_DECL)
  38 {
  39   return xmalloc (size);
  40 }
  41
  42 /* For a given size of memory requested for allocation, return the
  43    actual size that is going to be allocated.  */
  44
  45 size_t
  46 ggc_round_alloc_size (size_t requested_size)
  47 {
  48   return requested_size;
  49 }
  50
  51 void *
  52 ggc_internal_alloc_stat (size_t size MEM_STAT_DECL)
  53 {
  54   return xmalloc (size);
  55 }
  56
  57 void *
  58 ggc_internal_cleared_alloc_stat (size_t size MEM_STAT_DECL)
  59 {
  60   return xcalloc (size, 1);
  61 }
  62
  63 void *
  64 ggc_realloc_stat (void *x, size_t size MEM_STAT_DECL)
  65 {
  66   return xrealloc (x, size);
  67 }
  68
  69 void
  70 ggc_free (void *p)
  71 {
  72   free (p);
  73 }
  74
  75 struct alloc_zone
  76 {
  77   int dummy;
  78 };
  79
  80 struct alloc_zone rtl_zone;
  81 struct alloc_zone tree_zone;
  82 struct alloc_zone tree_id_zone;
  83
  84 #if defined (GGC_ZONE) && !defined (GENERATOR_FILE)
  85
  86 void *
  87 ggc_internal_alloc_zone_stat (size_t size,
  88                               struct alloc_zone * ARG_UNUSED(z) MEM_STAT_DECL)
  89 {
  90     return xmalloc (size);
  91 }
  92
  93 void *
  94 ggc_internal_cleared_alloc_zone_stat (size_t size,
  95                                       struct alloc_zone * ARG_UNUSED(z)
  96                                       MEM_STAT_DECL)
  97 {
  98     return xcalloc (size, 1);
  99 }
 100
 101 #endif