Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12551 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 98 insertions, 0 deletions

diff --git a/gcc/except.h b/gcc/except.h
new file mode 100644
index 00000000000..56be5203fde
--- /dev/null
+++ b/gcc/except.h
@@ -0,0 +1,98 @@
+/* Exception Handling interface routines.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Mike Stump <mrs@cygnus.com>.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#ifndef GET_CODE
+#define rtx int *
+#endif
+
+#ifdef TREE_CODE
+
+struct label_node {
+  union {
+    rtx rlabel;
+    tree tlabel;
+  } u;
+  struct label_node *chain;
+};
+
+/* A entry for the exception handling stack EHSTACK or the exception
+   handling queue EHQUEUE.  */
+struct eh_entry {
+  rtx start_label;
+  rtx end_label;
+  rtx exception_handler_label;
+
+  tree finalization;
+};
+
+struct eh_node {
+  struct eh_entry *entry;
+  struct eh_node *chain;
+};
+
+struct eh_stack {
+  struct eh_node *top;
+};
+
+struct eh_queue {
+  struct eh_node *head;
+  struct eh_node *tail;
+};
+
+
+extern void push_label_entry			PROTO((struct label_node **labelstack, rtx rlabel, tree tlabel));
+extern rtx pop_label_entry			PROTO((struct label_node **labelstack));
+extern tree top_label_entry			PROTO((struct label_node **labelstack));
+
+extern struct eh_stack ehstack;
+extern struct eh_queue ehqueue;
+extern rtx catch_clauses;
+extern tree protect_list;
+
+#endif
+
+struct function;
+
+extern void init_eh				PROTO((void));
+extern void init_eh_for_function		PROTO((void));
+extern void save_eh_status			PROTO((struct function *p));
+extern void restore_eh_status			PROTO((struct function *p));
+extern void add_eh_table_entry			PROTO((int));
+extern int exception_table_p			PROTO((void));
+extern void output_exception_table		PROTO((void));
+extern rtx eh_outer_context			PROTO((rtx));
+extern void emit_unwinder			PROTO((void));
+extern void end_eh_unwinder			PROTO((void));
+extern void find_handler_labels			PROTO((void));
+extern void check_handler_labels		PROTO((void));
+
+
+extern struct label_node *caught_return_label_stack;
+extern struct label_node *false_label_stack;
+
+extern rtx exception_handler_labels;
+
+/* The rtx for the saved PC value.  */
+
+extern rtx eh_saved_pc_rtx;
+
+extern void exception_optimize			PROTO((void));