2007-09-12 H.J. Lu <hongjiu.lu@intel.com>

[deliverable/binutils-gdb.git] / gdb / dummy-frame.h

diff --git a/gdb/dummy-frame.h b/gdb/dummy-frame.h
index 07f8f5a57fa124b5a2691da18c510dad570ebf63..f6469c278662088c07a8b2d2f3420d25dcc583a1 100644 (file)
--- a/gdb/dummy-frame.h
+++ b/gdb/dummy-frame.h
@@ -1,12 +1,12 @@
 /* Code dealing with dummy stack frames, for GDB, the GNU debugger.
 
-   Copyright 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program 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 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !defined (DUMMY_FRAME_H)
 #define DUMMY_FRAME_H 1
@@ -27,9 +25,25 @@ struct regcache;
 struct frame_unwind;
 struct frame_id;
 
+/* Push the information needed to identify, and unwind from, a dummy
+   frame onto the dummy frame stack.  */
+
+/* NOTE: cagney/2004-08-02: This interface will eventually need to be
+   parameterized with the caller's thread - that will allow per-thread
+   dummy-frame stacks and, hence, per-thread inferior function
+   calls.  */
+
+/* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code
+   containing more than one instruction, this interface many need to
+   be expanded so that it knowns the lower/upper extent of the dummy
+   frame's code.  */
+
+extern void dummy_frame_push (struct regcache *regcache,
+                             const struct frame_id *dummy_id);
+
 /* If the PC falls in a dummy frame, return a dummy frame
    unwinder.  */
 
-extern const struct frame_unwind *dummy_frame_sniffer (struct frame_info *next_frame);
+extern const struct frame_unwind *const dummy_frame_unwind;
 
 #endif /* !defined (DUMMY_FRAME_H)  */