diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/gcc/except.c b/gcc/except.c index 3eb31bd0237..e5079f99e0d 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -214,12 +214,6 @@ struct eh_status /* This is the region for which we are processing catch blocks. */ struct eh_region *try_region; - /* A stack (TREE_LIST) of lists of handlers. The TREE_VALUE of each - node is itself a TREE_CHAINed list of handlers for regions that - are not yet closed. The TREE_VALUE of each entry contains the - handler for the corresponding entry on the ehstack. */ - tree protect_list; - rtx filter; rtx exc_ptr; @@ -560,7 +554,6 @@ mark_eh_status (eh) tree_done:; } - ggc_mark_tree (eh->protect_list); ggc_mark_rtx (eh->filter); ggc_mark_rtx (eh->exc_ptr); ggc_mark_tree_varray (eh->ttype_data); @@ -1012,55 +1005,6 @@ get_exception_filter (fun) return filter; } -/* Begin a region that will contain entries created with - add_partial_entry. */ - -void -begin_protect_partials () -{ - /* Push room for a new list. */ - cfun->eh->protect_list - = tree_cons (NULL_TREE, NULL_TREE, cfun->eh->protect_list); -} - -/* Start a new exception region for a region of code that has a - cleanup action and push the HANDLER for the region onto - protect_list. All of the regions created with add_partial_entry - will be ended when end_protect_partials is invoked. - - ??? The only difference between this purpose and that of - expand_decl_cleanup is that in this case, we only want the cleanup to - run if an exception is thrown. This should also be handled using - binding levels. */ - -void -add_partial_entry (handler) - tree handler; -{ - expand_eh_region_start (); - - /* Add this entry to the front of the list. */ - TREE_VALUE (cfun->eh->protect_list) - = tree_cons (NULL_TREE, handler, TREE_VALUE (cfun->eh->protect_list)); -} - -/* End all the pending exception regions on protect_list. */ - -void -end_protect_partials () -{ - tree t; - - /* Pop the topmost entry. */ - t = TREE_VALUE (cfun->eh->protect_list); - cfun->eh->protect_list = TREE_CHAIN (cfun->eh->protect_list); - - /* End all the exception regions. */ - for (; t; t = TREE_CHAIN (t)) - expand_eh_region_end_cleanup (TREE_VALUE (t)); -} - - /* This section is for the exception handling specific optimization pass. */ /* Random access the exception region tree. It's just as simple to |