PR/21391

[pf3gnuchains/gcc-fork.git] / gcc / except.h

diff --git a/gcc/except.h b/gcc/except.h
index 7a58990..5b28296 100644 (file)
--- a/gcc/except.h
+++ b/gcc/except.h
@@ -1,5 +1,5 @@
 /* Exception Handling interface routines.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    Contributed by Mike Stump <mrs@cygnus.com>.
 
@@ -17,14 +17,12 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 
 struct function;
 
-struct inline_remap;
-
 /* Per-function EH data.  Used only in except.c, but GC and others
    manipulate pointers to the opaque type.  */
 struct eh_status;
@@ -48,13 +46,13 @@ extern void for_each_eh_label (void (*) (rtx));
 extern void for_each_eh_region (void (*) (struct eh_region *));
 
 /* Determine if the given INSN can throw an exception.  */
-extern bool can_throw_internal_1 (int);
+extern bool can_throw_internal_1 (int, bool);
 extern bool can_throw_internal (rtx);
-extern bool can_throw_external_1 (int);
+extern bool can_throw_external_1 (int, bool);
 extern bool can_throw_external (rtx);
 
 /* Set TREE_NOTHROW and cfun->all_throwers_are_sibcalls.  */
-extern void set_nothrow_function_flags (void);
+extern unsigned int set_nothrow_function_flags (void);
 
 /* After initial rtl generation, call back to finish generating
    exception support code.  */
@@ -67,7 +65,7 @@ extern rtx reachable_handlers (rtx);
 extern void maybe_remove_eh_handler (rtx);
 
 extern void convert_from_eh_region_ranges (void);
-extern void convert_to_eh_region_ranges (void);
+extern unsigned int convert_to_eh_region_ranges (void);
 extern void find_exception_handler_labels (void);
 extern bool current_function_has_exception_handlers (void);
 extern void output_function_exception_table (void);
@@ -83,10 +81,12 @@ extern void expand_eh_return (void);
 extern rtx expand_builtin_extend_pointer (tree);
 extern rtx get_exception_pointer (struct function *);
 extern rtx get_exception_filter (struct function *);
-extern int duplicate_eh_regions (struct function *, struct inline_remap *);
-extern int check_handled (tree, tree);
+typedef tree (*duplicate_eh_regions_map) (tree, void *);
+extern int duplicate_eh_regions (struct function *, duplicate_eh_regions_map,
+                                void *, int, int);
 
 extern void sjlj_emit_function_exit_after (rtx);
+extern void default_init_unwind_resume_libfunc (void);
 
 extern struct eh_region *gen_eh_region_cleanup (struct eh_region *,
                                                struct eh_region *);
@@ -105,9 +105,16 @@ extern void foreach_reachable_handler (int, bool,
 
 extern void collect_eh_region_array (void);
 extern void expand_resx_expr (tree);
+extern void verify_eh_tree (struct function *);
+extern void dump_eh_tree (FILE *, struct function *);
+extern bool eh_region_outer_p (struct function *, int, int);
 
 /* tree-eh.c */
+extern void add_stmt_to_eh_region_fn (struct function *, tree, int);
+extern bool remove_stmt_from_eh_region_fn (struct function *, tree);
+extern int lookup_stmt_eh_region_fn (struct function *, tree);
 extern int lookup_stmt_eh_region (tree);
+extern bool verify_eh_edges (tree);
 
 /* If non-NULL, this is a function that returns an expression to be
    executed if an unhandled exception is propagated out of a cleanup
@@ -130,7 +137,7 @@ extern tree (*lang_eh_runtime_type) (tree);
 
 #ifndef MUST_USE_SJLJ_EXCEPTIONS
 # if !(defined (EH_RETURN_DATA_REGNO)                  \
-       && (defined (IA64_UNWIND_INFO)                  \
+       && (defined (TARGET_UNWIND_INFO)                        \
           || (DWARF2_UNWIND_INFO                       \
               && (defined (EH_RETURN_HANDLER_RTX)      \
                   || defined (HAVE_eh_return)))))
@@ -152,10 +159,23 @@ extern tree (*lang_eh_runtime_type) (tree);
 #  if !defined(EH_RETURN_HANDLER_RTX) && !defined(HAVE_eh_return)
     #error "EH_RETURN_HANDLER_RTX or eh_return required"
 #  endif
-#  if !defined(DWARF2_UNWIND_INFO) && !defined(IA64_UNWIND_INFO)
-    #error "{DWARF2,IA64}_UNWIND_INFO required"
+#  if !defined(DWARF2_UNWIND_INFO) && !defined(TARGET_UNWIND_INFO)
+    #error "{DWARF2,TARGET}_UNWIND_INFO required"
 #  endif
 # endif
 #else
 # define USING_SJLJ_EXCEPTIONS         MUST_USE_SJLJ_EXCEPTIONS
 #endif
+
+struct throw_stmt_node GTY(())
+{
+  tree stmt;
+  int region_nr;
+};
+
+extern struct htab *get_eh_throw_stmt_table (struct function *);
+extern void set_eh_throw_stmt_table (struct function *, struct htab *);
+
+#ifdef ENABLE_CHECKING
+extern void verify_eh_throw_table_statements (void);
+#endif