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      1 /* Null garbage collection for the GNU compiler.
      2    Copyright (C) 1998-2022 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 "hash-table.h"
     33 
     34 /* For a given size of memory requested for allocation, return the
     35    actual size that is going to be allocated.  */
     36 
     37 size_t
     38 ggc_round_alloc_size (size_t requested_size)
     39 {
     40   return requested_size;
     41 }
     42 
     43 void *
     44 ggc_internal_alloc (size_t size, void (*f)(void *), size_t, size_t
     45 		    MEM_STAT_DECL)
     46 {
     47   gcc_assert (!f); // ggc-none doesn't support finalizers
     48   return xmalloc (size);
     49 }
     50 
     51 void *
     52 ggc_internal_cleared_alloc (size_t size, void (*f)(void *), size_t, size_t
     53 			    MEM_STAT_DECL)
     54 {
     55   gcc_assert (!f); // ggc-none doesn't support finalizers
     56   return xcalloc (size, 1);
     57 }
     58 
     59 void *
     60 ggc_realloc_stat (void *x, size_t size MEM_STAT_DECL)
     61 {
     62   return xrealloc (x, size);
     63 }
     64 
     65 void
     66 ggc_free (void *p)
     67 {
     68   free (p);
     69 }
     70 
     71 void
     72 ggc_grow (void)
     73 {
     74 }
     75 
     76 void
     77 ggc_trim (void)
     78 {
     79 }
     80