* c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.

	(lang_mark_false_label_stack): Remove.
	* c-lex.c (init_c_lex): Add file_info_tree as GC root.  Allocate
	<top level> string in GC area.
	(mark_splay_tree_node): New function.
	(mark_splay_tree): Likewise.
	* except.c (mark_eh_status): Only call lang_mark_false_label_stack
	if it exists.
	* ggc-callbacks.c (lang_mark_false_label_stack): Remove.
	* ggc-common.c (lang_mark_false_label_stack): Change type.
	* ggc.h (ggc_alloc_string): Add comment.
	(ggc_strdup): New function.

	* decl.c (lang_mark_false_label_stack): Remove.
	* lex.c (cp_mang_lang_type): Use ggc_alloc_cleared.

	* com.c (lang_mark_false_label_stack): Remove.

	Convert to GC.
	* Make-lang.in (s-java): Don't depend on ggc-callbacks.o.
	* Makefile.in (BACKEND): Don't include ggc-callbacks.o.
	(typeck.o): Depend on ggc.h.
	* class.c (add_method_1): Use GC functions for allocation.
	(init_class_processing): Register roots.
	* decl.c (ggc_p): Set to 1.
	(pending_local_decls): Make it static.
	(push_jvm_slot): Use GC functions for allocation.
	(init_decl_processing): Register roots.
	(give_name_to_locals): Use GC functions for allocation.
	(lang_mark_tree): New function.
	* java-tree.h (MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC): Use GC
	functions for allocation.
	* jcf-parse.c (jcf_parse_source): Use ggc_strdup.
	* lex.c (java_lex): Use build_string, rather than replicating it
	inline.
	* parse.y (goal): Add more roots.
	(mark_parser_ctxt): New function.
	* typeck.c: Include ggc.h.

	* splay-tree.c (splay_tree_insert): Fix formatting.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36687 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 4 deletions

diff --git a/gcc/ggc.h b/gcc/ggc.h
index 8796fd1a830..1a5b4d886af 100644
--- a/gcc/ggc.h
+++ b/gcc/ggc.h
@@ -142,8 +142,15 @@ void *ggc_alloc_cleared PARAMS ((size_t));
 
 #define ggc_alloc_tree(LENGTH) ((union tree_node *) ggc_alloc (LENGTH))
 
+/* Allocate a gc-able string.  If CONTENTS is null, then the memory will
+   be uninitialized.  If LENGTH is -1, then CONTENTS is assumed to be a
+   null-terminated string and the memory sized accordingly.  Otherwise,
+   the memory is filled with LENGTH bytes from CONTENTS.  */
 char *ggc_alloc_string PARAMS ((const char *contents, int length));
 
+/* Make a copy of S, in GC-able memory.  */
+#define ggc_strdup(S) ggc_alloc_string((S), -1)
+
 /* 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 PARAMS ((void));
@@ -161,10 +168,11 @@ int ggc_set_mark PARAMS ((const void *));
    the lang_specific hooks in the tree.  */
 void lang_mark_tree PARAMS ((union tree_node *));
 
-/* The FALSE_LABEL_STACK, declared in except.h, has
-   language-dependent semantics.  Each front-end should define this
-   function appropriately.  */
-void lang_mark_false_label_stack PARAMS ((struct label_node *));
+/* The FALSE_LABEL_STACK, declared in except.h, has language-dependent
+   semantics.  If a front-end needs to mark the false label stack, it
+   should set this pointer to a non-NULL value.  Otherwise, no marking
+   will be done.  */
+extern void (*lang_mark_false_label_stack) PARAMS ((struct label_node *));
 
 /* Mark functions for various structs scattered about.  */