/* Code dealing with register stack frames, for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
- Foundation, Inc.
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, 2008, 2009, 2010
+ 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,
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/>. */
#include "defs.h"
{
struct frame_unwind_cache *cache =
FRAME_OBSTACK_ZALLOC (struct frame_unwind_cache);
+
cache->regcache = regcache;
return cache;
}
/* Here the register value is taken direct from the register cache. */
-void
-sentinel_frame_prev_register (struct frame_info *next_frame,
+static struct value *
+sentinel_frame_prev_register (struct frame_info *this_frame,
void **this_prologue_cache,
- int regnum, int *optimized,
- enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnum, void *bufferp)
+ int regnum)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct frame_unwind_cache *cache = *this_prologue_cache;
- /* Describe the register's location. A reg-frame maps all registers
- onto the corresponding hardware register. */
- *optimized = 0;
- *lvalp = lval_register;
- *addrp = REGISTER_BYTE (regnum);
- *realnum = regnum;
-
- /* If needed, find and return the value of the register. */
- if (bufferp != NULL)
- {
- /* Return the actual value. */
- /* Use the regcache_cooked_read() method so that it, on the fly,
- constructs either a raw or pseudo register from the raw
- register cache. */
- regcache_cooked_read (cache->regcache, regnum, bufferp);
- }
+ struct value *value;
+
+ /* Return the actual value. */
+ value = allocate_value (register_type (gdbarch, regnum));
+ VALUE_LVAL (value) = lval_register;
+ VALUE_REGNUM (value) = regnum;
+ VALUE_FRAME_ID (value) = get_frame_id (this_frame);
+
+ /* Use the regcache_cooked_read() method so that it, on the fly,
+ constructs either a raw or pseudo register from the raw
+ register cache. */
+ regcache_cooked_read (cache->regcache, regnum, value_contents_raw (value));
+
+ return value;
}
-void
-sentinel_frame_this_id (struct frame_info *next_frame,
+static void
+sentinel_frame_this_id (struct frame_info *this_frame,
void **this_prologue_cache,
struct frame_id *this_id)
{
/* The sentinel frame is used as a starting point for creating the
previous (inner most) frame. That frame's THIS_ID method will be
called to determine the inner most frame's ID. Not this one. */
- internal_error (__FILE__, __LINE__, "sentinel_frame_this_id called");
+ internal_error (__FILE__, __LINE__, _("sentinel_frame_this_id called"));
+}
+
+static struct gdbarch *
+sentinel_frame_prev_arch (struct frame_info *this_frame,
+ void **this_prologue_cache)
+{
+ struct frame_unwind_cache *cache = *this_prologue_cache;
+
+ return get_regcache_arch (cache->regcache);
}
-const struct frame_unwind sentinel_frame_unwinder =
+const struct frame_unwind sentinel_frame_unwind =
{
- /* Should the sentinel frame be given a special type? */
- NORMAL_FRAME,
+ SENTINEL_FRAME,
sentinel_frame_this_id,
- sentinel_frame_prev_register
+ sentinel_frame_prev_register,
+ NULL,
+ NULL,
+ NULL,
+ sentinel_frame_prev_arch,
};
-
-const struct frame_unwind *const sentinel_frame_unwind = &sentinel_frame_unwinder;