Makefile.in (parse.o): Depend on ggc.h.

	* Makefile.in (parse.o): Depend on ggc.h.
	(decl2.o): Depend on ggc.h.
	(init.o): Depend on ggc.h.
	* cp-tree.h (init_decl2): Declare.
	(cp_parse_init): Likewise.
	* decl.c (ggc_p): Define to zero.
	(mark_saved_scope): New function.
	(init_decl_processing): Call cp_parse_init, and cp_decl2.
	Register GC roots.
	(expand_static_init): Add GC roots.
	* decl2.c: Include ggc.h.
	(init_decl2): New function.
	* init.c: Include ggc.h.
	(init_init_processing): Add GC roots.
	* parse.y: Include ggc.h.
	(cp_parse_init): New function.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29126

7 files changed, 134 insertions, 3 deletions

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 5dedc9c..3bb762b 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,24 @@
+1999-09-05  Richard Henderson  <rth@cygnus.com>
+            Bernd Schmidt <bernds@cygnus.co.uk>
+            Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (parse.o): Depend on ggc.h.
+	(decl2.o): Depend on ggc.h.
+	(init.o): Depend on ggc.h.
+	* cp-tree.h (init_decl2): Declare.
+	(cp_parse_init): Likewise.
+	* decl.c (ggc_p): Define to zero.
+	(mark_saved_scope): New function.
+	(init_decl_processing): Call cp_parse_init, and cp_decl2.
+	Register GC roots.
+	(expand_static_init): Add GC roots.
+	* decl2.c: Include ggc.h.
+	(init_decl2): New function.
+	* init.c: Include ggc.h.
+	(init_init_processing): Add GC roots.
+	* parse.y: Include ggc.h.
+	(cp_parse_init): New function.
+	
 1999-09-04  Mark Mitchell  <mark@codesourcery.com>
 
 	* decl.c (init_decl_processing): Set mark_lang_status.
diff --git a/gcc/cp/Makefile.in b/gcc/cp/Makefile.in
index d71938f..c01bd5e 100644
--- a/gcc/cp/Makefile.in
+++ b/gcc/cp/Makefile.in
@@ -209,7 +209,7 @@ EXPR_H = $(srcdir)/../expr.h ../insn-codes.h
 
 parse.o : $(PARSE_C) $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h lex.h \
 	$(srcdir)/../except.h $(srcdir)/../output.h $(srcdir)/../system.h \
-	$(srcdir)/../toplev.h
+	$(srcdir)/../toplev.h $(srcdir)/../ggc.h
 	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(BIG_SWITCHFLAG) \
   `echo $(PARSE_C) | sed 's,^\./,,'`
 
@@ -250,7 +250,8 @@ decl2.o : decl2.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h \
   lex.h decl.h $(EXPR_H) $(srcdir)/../except.h \
   $(srcdir)/../output.h $(srcdir)/../except.h $(srcdir)/../system.h \
   $(srcdir)/../toplev.h $(srcdir)/../dwarf2out.h $(srcdir)/../dwarfout.h \
-  $(srcdir)/../../include/splay-tree.h $(srcdir)/../varray.h
+  $(srcdir)/../../include/splay-tree.h $(srcdir)/../varray.h \
+  $(srcdir)/../ggc.h
 typeck2.o : typeck2.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h \
   $(srcdir)/../system.h $(srcdir)/../toplev.h
 typeck.o : typeck.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h $(RTL_H) \
@@ -263,7 +264,7 @@ call.o : call.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h \
 friend.o : friend.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h $(RTL_H) \
   $(srcdir)/../system.h $(srcdir)/../toplev.h
 init.o : init.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../flags.h $(RTL_H) \
-  $(EXPR_H) $(srcdir)/../system.h $(srcdir)/../toplev.h 
+  $(EXPR_H) $(srcdir)/../system.h $(srcdir)/../toplev.h $(srcdir)/../ggc.h
 method.o : method.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../system.h \
   $(srcdir)/../toplev.h
 cvt.o : cvt.c $(CONFIG_H) $(CXX_TREE_H) $(srcdir)/../system.h decl.h \
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index 6d4cd85..cdb93e3 100644
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -3101,6 +3101,7 @@ extern tree create_implicit_typedef             PROTO((tree, tree));
 extern tree maybe_push_decl                     PROTO((tree));
 
 /* in decl2.c */
+extern void init_decl2				PROTO((void));
 extern int check_java_method			PROTO((tree));
 extern int lang_decode_option			PROTO((int, char **));
 extern tree grok_method_quals			PROTO((tree, tree, tree));
@@ -3161,6 +3162,9 @@ extern tree handle_class_head			PROTO((tree, tree, tree));
 extern tree lookup_arg_dependent                PROTO((tree, tree, tree));
 extern void finish_static_data_member_decl      PROTO((tree, tree, tree, int, int));
 
+/* in parse.y */
+extern void cp_parse_init			PROTO((void));
+
 /* in errfn.c */
 /* The cp_* functions aren't suitable for ATTRIBUTE_PRINTF. */
 extern void cp_error				PVPROTO((const char *, ...));
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 4fc9f8b..5f5e72f 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -60,6 +60,10 @@ extern tree global_namespace;
 
 extern int (*valid_lang_attribute) PROTO ((tree, tree, tree, tree));
 
+/* Don't use garbage collection.  */
+
+int ggc_p = 0;
+
 /* Obstack used for remembering local class declarations (like
    enums and static (const) members.  */
 #include "stack.h"
@@ -2002,6 +2006,8 @@ wrapup_globals_for_namespace (namespace, data)
 }
 
 
+/* Mark ARG (which is really a struct binding_level **) for GC.  */
+
 static void
 mark_binding_level (arg)
      void *arg;
@@ -2447,6 +2453,36 @@ struct saved_scope {
 };
 static struct saved_scope *current_saved_scope;
 
+/* Mark ARG (which is really a struct saved_scoipe **) for GC.  */
+
+static void
+mark_saved_scope (arg)
+     void *arg;
+{
+  struct saved_scope *t = *(struct saved_scope **)arg;
+  while (t)
+    {
+      mark_binding_level (&t->old_binding_level);
+      mark_binding_level (&t->class_bindings);
+      ggc_mark_tree (t->old_bindings);
+      ggc_mark_tree (t->old_namespace);
+      ggc_mark_tree (t->class_name);
+      ggc_mark_tree (t->class_type);
+      ggc_mark_tree (t->access_specifier);
+      ggc_mark_tree (t->function_decl);
+      if (t->lang_base)
+	ggc_mark_tree (*t->lang_base);
+      if (t->lang_stack)
+	ggc_mark_tree (*t->lang_stack);
+      ggc_mark_tree (t->lang_name);
+      ggc_mark_tree (t->last_function_parms);
+      ggc_mark_tree (t->template_parms);
+      ggc_mark_tree (t->previous_class_type);
+      ggc_mark_tree (t->previous_class_values);
+      t = t->prev;
+    }
+}
+
 /* A chain of the binding vecs created by store_bindings.  We create a
    whole bunch of these during compilation, on permanent_obstack, so we
    can't just throw them away.  */
@@ -6207,6 +6243,9 @@ init_decl_processing ()
   restore_lang_status = &pop_cp_function_context;
   mark_lang_status = &mark_cp_function_context;
 
+  cp_parse_init ();
+  init_decl2 ();
+
   /* Create the global per-function variables.  */
   push_function_context_to (NULL_TREE);
 
@@ -6660,6 +6699,44 @@ init_decl_processing ()
      say -fwritable-strings?  */
   if (flag_writable_strings)
     flag_const_strings = 0;
+
+  /* Add GC roots for all of our global variables.  */
+  ggc_add_tree_root (c_global_trees, sizeof c_global_trees / sizeof(tree));
+  ggc_add_tree_root (cp_global_trees, sizeof cp_global_trees / sizeof(tree));
+  ggc_add_tree_root (&char_type_node, 1);
+  ggc_add_tree_root (&current_function_decl, 1);
+  ggc_add_tree_root (&error_mark_node, 1);
+  ggc_add_tree_root (&integer_type_node, 1);
+  ggc_add_tree_root (&integer_three_node, 1);
+  ggc_add_tree_root (&integer_two_node, 1);
+  ggc_add_tree_root (&integer_one_node, 1);
+  ggc_add_tree_root (&integer_zero_node, 1);
+  ggc_add_tree_root (&signed_size_zero_node, 1);
+  ggc_add_tree_root (&named_labels, 1);
+  ggc_add_tree_root (&null_pointer_node, 1);
+  ggc_add_tree_root (&size_one_node, 1);
+  ggc_add_tree_root (&size_zero_node, 1);
+  ggc_add_tree_root (&unsigned_type_node, 1);
+  ggc_add_tree_root (&void_type_node, 1);
+  ggc_add_root (&global_binding_level, 1, sizeof global_binding_level,
+		mark_binding_level);
+  ggc_add_root (&current_saved_scope, 1, sizeof current_saved_scope,
+		&mark_saved_scope);
+  ggc_add_tree_root (&static_ctors, 1);
+  ggc_add_tree_root (&static_dtors, 1);
+
+  ggc_add_tree_root (&enum_next_value, 1);
+  ggc_add_tree_root (&last_function_parms, 1);
+  ggc_add_tree_root (&last_function_parm_tags, 1);
+  ggc_add_tree_root (&current_function_return_value, 1);
+  ggc_add_tree_root (&current_function_parms, 1);
+  ggc_add_tree_root (&current_function_parm_tags, 1);
+  ggc_add_tree_root (&error_mark_list, 1);
+  ggc_add_tree_root (&void_list_node, 1);
+  ggc_add_tree_root (&global_namespace, 1);
+  ggc_add_tree_root (&current_namespace, 1);
+  ggc_add_tree_root (&global_type_node, 1);
+  ggc_add_tree_root (&anonymous_namespace_name, 1);
 }
 
 /* Function to print any language-specific context for an error message.  */
@@ -8252,6 +8329,9 @@ expand_static_init (decl, init)
 	  if (Atexit == 0)
 	    {
 	      tree atexit_fndecl, PFV, pfvlist;
+
+	      ggc_add_tree_root (&Atexit, 1);
+
 	      /* Remember this information until end of file.  */
 	      push_obstacks (&permanent_obstack, &permanent_obstack);
 	      PFV = build_pointer_type (build_function_type
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index 8e6ae60..76cebf8 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -44,6 +44,7 @@ Boston, MA 02111-1307, USA.  */
 #include "dwarfout.h"
 #include "splay-tree.h"
 #include "varray.h"
+#include "ggc.h"
 
 #if USE_CPPLIB
 #include "cpplib.h"
@@ -5267,3 +5268,12 @@ handle_class_head (aggr, scope, id)
 
   return decl;
 }
+
+/* Initialize decl2.c.  */
+
+void
+init_decl2 ()
+{
+  ggc_add_tree_root (&decl_namespace_list, 1);
+  ggc_add_tree_varray_root (&saved_inlines, 1);
+}
diff --git a/gcc/cp/init.c b/gcc/cp/init.c
index 33a82cc..e2e082b 100644
--- a/gcc/cp/init.c
+++ b/gcc/cp/init.c
@@ -31,6 +31,7 @@ Boston, MA 02111-1307, USA.  */
 #include "except.h"
 #include "expr.h"
 #include "toplev.h"
+#include "ggc.h"
 
 static void expand_aggr_vbase_init_1 PROTO((tree, tree, tree, tree));
 static void construct_virtual_bases PROTO((tree, tree, tree, tree, tree));
@@ -73,6 +74,10 @@ void init_init_processing ()
   finish_builtin_type (BI_header_type, "__new_cookie", fields,
 		       0, double_type_node);
   BI_header_size = size_in_bytes (BI_header_type);
+
+  ggc_add_tree_root (&current_base_init_list, 1);
+  ggc_add_tree_root (&current_member_init_list, 1);
+  ggc_add_tree_root (&minus_one, 1);
 }
 
 /* Subroutine of emit_base_init.  For BINFO, initialize all the
diff --git a/gcc/cp/parse.y b/gcc/cp/parse.y
index de9c1f3..bed84ab 100644
--- a/gcc/cp/parse.y
+++ b/gcc/cp/parse.y
@@ -42,6 +42,7 @@ Boston, MA 02111-1307, USA.  */
 #include "output.h"
 #include "except.h"
 #include "toplev.h"
+#include "ggc.h"
 
 /* Since parsers are distinct for each language, put the language string
    definition here.  (fnf) */
@@ -335,6 +336,15 @@ parse_decl(declarator, specs_attrs, attributes, initialized, decl)
 		      attributes, prefix_attributes);
   return sm;
 }
+
+void
+cp_parse_init ()
+{
+  ggc_add_tree_root (&current_declspecs, 1);
+  ggc_add_tree_root (&prefix_attributes, 1);
+  ggc_add_tree_root (&current_aggr, 1);
+  ggc_add_tree_root (&current_enum_type, 1);
+}
 %}
 
 %%