gcc/ggc-none.c

   1 /* Null garbage collection for the GNU compiler.
   2    Copyright (C) 1998-2013 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING3.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* This version is used by the gen* programs and certain language-specific
  21    targets (such as java), where we don't really need GC at all.
  22    This prevents problems with pulling in all the tree stuff.  */
  23
  24 #ifdef GENERATOR_FILE
  25 #include "bconfig.h"
  26 #else
  27 #include "config.h"
  28 #endif
  29
  30 #include "system.h"
  31 #include "coretypes.h"
  32 #include "ggc.h"
  33
  34 void *
  35 ggc_alloc_typed_stat (enum gt_types_enum ARG_UNUSED (gte), size_t size
  36                       MEM_STAT_DECL)
  37 {
  38   return xmalloc (size);
  39 }
  40
  41 /* For a given size of memory requested for allocation, return the
  42    actual size that is going to be allocated.  */
  43
  44 size_t
  45 ggc_round_alloc_size (size_t requested_size)
  46 {
  47   return requested_size;
  48 }
  49
  50 void *
  51 ggc_internal_alloc_stat (size_t size MEM_STAT_DECL)
  52 {
  53   return xmalloc (size);
  54 }
  55
  56 void *
  57 ggc_internal_cleared_alloc_stat (size_t size MEM_STAT_DECL)
  58 {
  59   return xcalloc (size, 1);
  60 }
  61
  62 void *
  63 ggc_realloc_stat (void *x, size_t size MEM_STAT_DECL)
  64 {
  65   return xrealloc (x, size);
  66 }
  67
  68 void
  69 ggc_free (void *p)
  70 {
  71   free (p);
  72 }
  73
  74 struct alloc_zone
  75 {
  76   int dummy;
  77 };
  78
  79 struct alloc_zone rtl_zone;
  80 struct alloc_zone tree_zone;
  81 struct alloc_zone tree_id_zone;
  82
  83 #if defined (GGC_ZONE) && !defined (GENERATOR_FILE)
  84
  85 void *
  86 ggc_internal_alloc_zone_stat (size_t size,
  87                               struct alloc_zone * ARG_UNUSED(z) MEM_STAT_DECL)
  88 {
  89     return xmalloc (size);
  90 }
  91
  92 void *
  93 ggc_internal_cleared_alloc_zone_stat (size_t size,
  94                                       struct alloc_zone * ARG_UNUSED(z)
  95                                       MEM_STAT_DECL)
  96 {
  97     return xcalloc (size, 1);
  98 }
  99
 100 #endif