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 void *
  43 ggc_internal_alloc_stat (size_t size MEM_STAT_DECL)
  44 {
  45   return xmalloc (size);
  46 }
  47
  48 void *
  49 ggc_internal_cleared_alloc_stat (size_t size MEM_STAT_DECL)
  50 {
  51   return xcalloc (size, 1);
  52 }
  53
  54 void *
  55 ggc_realloc_stat (void *x, size_t size MEM_STAT_DECL)
  56 {
  57   return xrealloc (x, size);
  58 }
  59
  60 void
  61 ggc_free (void *p)
  62 {
  63   free (p);
  64 }
  65
  66 struct alloc_zone
  67 {
  68   int dummy;
  69 };
  70
  71 struct alloc_zone rtl_zone;
  72 struct alloc_zone tree_zone;
  73 struct alloc_zone tree_id_zone;
  74
  75 #if defined (GGC_ZONE) && !defined (GENERATOR_FILE)
  76
  77 void *
  78 ggc_internal_alloc_zone_stat (size_t size,
  79                               struct alloc_zone * ARG_UNUSED(z) MEM_STAT_DECL)
  80 {
  81     return xmalloc (size);
  82 }
  83
  84 void *
  85 ggc_internal_cleared_alloc_zone_stat (size_t size,
  86                                       struct alloc_zone * ARG_UNUSED(z)
  87                                       MEM_STAT_DECL)
  88 {
  89     return xcalloc (size, 1);
  90 }
  91
  92 #endif