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/* Garbage collection for the GNU compiler.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "gansidecl.h"
/* Symbols are marked with `ggc' for `gcc gc' so as not to interfere with
an external gc library that might be linked in. */
/* Startup */
extern void init_ggc PROTO ((void));
/* Allocation. */
struct rtx_def *ggc_alloc_rtx PROTO ((int nslots));
struct rtvec_def *ggc_alloc_rtvec PROTO ((int nelt));
union tree_node *ggc_alloc_tree PROTO ((int length));
char *ggc_alloc_string PROTO ((const char *contents, int length));
/* Invoke the collector. This is really just a hint, but in the case of
the simple collector, the only time it will happen. */
void ggc_collect PROTO ((int ignore_after));
/* Manipulate global roots that are needed between calls to gc. */
void ggc_add_root PROTO ((void *base, int nelt, int size,
void (*)(void *)));
void ggc_add_rtx_root PROTO ((struct rtx_def **, int nelt));
void ggc_add_tree_root PROTO ((union tree_node **, int nelt));
void ggc_del_root PROTO ((void *base));
/* Mark nodes from the gc_add_root callback. */
void ggc_mark_rtx PROTO ((struct rtx_def *));
void ggc_mark_rtvec PROTO ((struct rtvec_def *));
void ggc_mark_tree PROTO ((union tree_node *));
void ggc_mark_string PROTO ((char *));
/* Callbacks to the languages. */
/* This is the language's opportunity to mark nodes held through
the lang_specific hooks in the tree. */
void lang_mark_tree PROTO ((union tree_node *));
/* And similarly to free that data when the tree node is released. */
void lang_cleanup_tree PROTO ((union tree_node *));
/* Mark functions for various structs scattered about. */
void mark_binding_level PROTO ((void *));
void mark_temp_slot PROTO ((void *));
void mark_function_chain PROTO ((void *));
void mark_eh_state PROTO ((void *));
void mark_stmt_state PROTO ((void *));
void mark_emit_state PROTO ((void *));
void mark_pool_constant PROTO ((void *));
void mark_optab PROTO ((void *));
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