X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fexcept.h;h=5b28296c8b4660cbc45035c2a1deb4232da14c09;hb=f6e5971197e69aa040ca3ad0dc9e580bf3dcbb89;hp=7a5899009ff46516abc134bee62ac98fa86bc4e0;hpb=6388f9f700c2179281798c832fa45aa1914706f8;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/except.h b/gcc/except.h index 7a5899009ff..5b28296c8b4 100644 --- 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 . @@ -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