/* Code dealing with register stack frames, for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, 2008, 2009, 2010
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct frame_unwind_cache *cache = *this_prologue_cache;
struct value *value;
+ struct type *regtype = register_type (gdbarch, regnum);
/* Return the actual value. */
- value = allocate_value (register_type (gdbarch, regnum));
+ value = allocate_value (regtype);
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));
+ if (regcache_cooked_read (cache->regcache,
+ regnum,
+ value_contents_raw (value)) == REG_UNAVAILABLE)
+ mark_value_bytes_unavailable (value, 0, TYPE_LENGTH (regtype));
return value;
}
const struct frame_unwind sentinel_frame_unwind =
{
SENTINEL_FRAME,
+ default_frame_unwind_stop_reason,
sentinel_frame_this_id,
sentinel_frame_prev_register,
NULL,