diff options
Diffstat (limited to 'gcc/except.h')
| -rw-r--r-- | gcc/except.h | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/gcc/except.h b/gcc/except.h index 50d6b314efd..70506d3a8c5 100644 --- a/gcc/except.h +++ b/gcc/except.h @@ -1,6 +1,6 @@ /* Exception Handling interface routines. Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2007, 2008 Free Software Foundation, Inc. + 2007, 2008, 2009 Free Software Foundation, Inc. Contributed by Mike Stump <mrs@cygnus.com>. This file is part of GCC. @@ -24,6 +24,18 @@ along with GCC; see the file COPYING3. If not see struct function; +/* The type of an exception region. */ +enum eh_region_type +{ + ERT_UNKNOWN = 0, + ERT_CLEANUP, + ERT_TRY, + ERT_CATCH, + ERT_ALLOWED_EXCEPTIONS, + ERT_MUST_NOT_THROW, + ERT_THROW +}; + /* Describes one exception region. */ struct GTY(()) eh_region { @@ -45,16 +57,7 @@ struct GTY(()) eh_region bitmap aka; /* Each region does exactly one thing. */ - enum eh_region_type - { - ERT_UNKNOWN = 0, - ERT_CLEANUP, - ERT_TRY, - ERT_CATCH, - ERT_ALLOWED_EXCEPTIONS, - ERT_MUST_NOT_THROW, - ERT_THROW - } type; + enum eh_region_type type; /* Holds the action to perform based on the preceding type. */ union eh_region_u { @@ -85,12 +88,6 @@ struct GTY(()) eh_region struct eh_region_u_throw { tree type; } GTY ((tag ("ERT_THROW"))) eh_throw; - - /* Retain the cleanup expression even after expansion so that - we can match up fixup regions. */ - struct eh_region_u_cleanup { - struct eh_region *prev_try; - } GTY ((tag ("ERT_CLEANUP"))) cleanup; } GTY ((desc ("%0.type"))) u; /* Entry point for this region's handler before landing pads are built. */ @@ -185,8 +182,7 @@ extern int duplicate_eh_regions (struct function *, duplicate_eh_regions_map, 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 *); +extern struct eh_region *gen_eh_region_cleanup (struct eh_region *); extern struct eh_region *gen_eh_region_try (struct eh_region *); extern struct eh_region *gen_eh_region_catch (struct eh_region *, tree); extern struct eh_region *gen_eh_region_allowed (struct eh_region *, tree); |