xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/ggc-none.c (revision 8feb0f0b7eaff0608f8350bbfa3098827b4bb91b)

/* Null garbage collection for the GNU compiler.
   Copyright (C) 1998-2020 Free Software Foundation, Inc.

   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 3, or (at your option)
   any later version.

   GCC is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of 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 COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */

/* This version is used by the gen* programs and certain language-specific
   targets (such as java), where we don't really need GC at all.
   This prevents problems with pulling in all the tree stuff.  */

#ifdef GENERATOR_FILE
#include "bconfig.h"
#else
#include "config.h"
#endif

#include "system.h"
#include "coretypes.h"
#include "hash-table.h"

/* For a given size of memory requested for allocation, return the
   actual size that is going to be allocated.  */

size_t
ggc_round_alloc_size (size_t requested_size)
{
  return requested_size;
}

void *
ggc_internal_alloc (size_t size, void (*f)(void *), size_t, size_t
		    MEM_STAT_DECL)
{
  gcc_assert (!f); // ggc-none doesn't support finalizers
  return xmalloc (size);
}

void *
ggc_internal_cleared_alloc (size_t size, void (*f)(void *), size_t, size_t
			    MEM_STAT_DECL)
{
  gcc_assert (!f); // ggc-none doesn't support finalizers
  return xcalloc (size, 1);
}

void *
ggc_realloc_stat (void *x, size_t size MEM_STAT_DECL)
{
  return xrealloc (x, size);
}

void
ggc_free (void *p)
{
  free (p);
}

void
ggc_grow (void)
{
}

void
ggc_trim (void)
{
}