* Makefile.in (GGC, GGC_LIB): New.

	(HOST_RTL): Include ggc-none.o.
	(ggc-simple.o): New target.
	(ggc-none.o): Likewise.
	* tree.h (tree_common): Add gc_mark.
	* rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
	(struct rtvec_def): Add gc_mark.
	* emit-rtl.c (global_rtl): Update static initializers to contain
	enough initializers.
	* ggc.h, ggc-none.c, ggc-simple.c: New files.
	* toplev.c (gc_time): New variable.
	(all_time): New variable.
	(compile_file): Print gc time.
	(print_time): Calculate percentage of the whole.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29106 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 72 insertions, 0 deletions

diff --git a/gcc/ggc.h b/gcc/ggc.h
new file mode 100644
index 00000000000..bb0be13623e
--- /dev/null
+++ b/gcc/ggc.h
@@ -0,0 +1,72 @@
+/* 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 ((void));
+
+/* 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_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_varasm_state PROTO ((void *));
+void mark_optab PROTO ((void *));