/* Definitions for dealing with stack frames, for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,
+ Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#if !defined (FRAME_H)
#define FRAME_H 1
struct gdbarch;
struct ui_file;
-/* A legacy unwinder to prop up architectures using the old style
- saved regs array. */
-extern const struct frame_unwind *legacy_saved_regs_unwind;
-
/* The frame object. */
struct frame_info;
extern void reinit_frame_cache (void);
/* On demand, create the selected frame and then return it. If the
- selected frame can not be created, this function throws an error. */
+ selected frame can not be created, this function prints then throws
+ an error. When MESSAGE is non-NULL, use it for the error message,
+ otherwize use a generic error message. */
/* FIXME: cagney/2002-11-28: At present, when there is no selected
frame, this function always returns the current (inner most) frame.
It should instead, when a thread has previously had its frame
selected (but not resumed) and the frame cache invalidated, find
and then return that thread's previously selected frame. */
-extern struct frame_info *get_selected_frame (void);
+extern struct frame_info *get_selected_frame (const char *message);
/* Select a specific frame. NULL, apparently implies re-select the
inner most frame. */
enum frame_type
{
- /* The frame's type hasn't yet been defined. This is a catch-all
- for legacy_get_prev_frame that uses really strange techniques to
- determine the frame's type. New code should not use this
- value. */
- UNKNOWN_FRAME,
/* A true stack frame, created by the target program during normal
execution. */
NORMAL_FRAME,
extern void frame_register_unwind (struct frame_info *frame, int regnum,
int *optimizedp, enum lval_type *lvalp,
CORE_ADDR *addrp, int *realnump,
- void *valuep);
+ gdb_byte *valuep);
/* Fetch a register from this, or unwind a register from the next
frame. Note that the get_frame methods are wrappers to
fetch fails. */
extern void frame_unwind_register (struct frame_info *frame,
- int regnum, void *buf);
+ int regnum, gdb_byte *buf);
extern void get_frame_register (struct frame_info *frame,
- int regnum, void *buf);
+ int regnum, gdb_byte *buf);
extern LONGEST frame_unwind_register_signed (struct frame_info *frame,
int regnum);
int regnum, ULONGEST *val);
/* Get the value of the register that belongs to this FRAME. This
- function is a wrapper to the call sequence ``frame_unwind_register
+ function is a wrapper to the call sequence ``frame_register_unwind
(get_next_frame (FRAME))''. As per frame_register_unwind(), if
VALUEP is NULL, the registers value is not fetched/computed. */
extern void frame_register (struct frame_info *frame, int regnum,
int *optimizedp, enum lval_type *lvalp,
CORE_ADDR *addrp, int *realnump,
- void *valuep);
+ gdb_byte *valuep);
/* The reverse. Store a register value relative to the specified
frame. Note: this call makes the frame's state undefined. The
register and frame caches must be flushed. */
extern void put_frame_register (struct frame_info *frame, int regnum,
- const void *buf);
+ const gdb_byte *buf);
/* Map between a frame register number and its name. A frame register
space is a superset of the cooked register space --- it also
adaptor frames this should be ok. */
extern void get_frame_memory (struct frame_info *this_frame, CORE_ADDR addr,
- void *buf, int len);
+ gdb_byte *buf, int len);
extern LONGEST get_frame_memory_signed (struct frame_info *this_frame,
CORE_ADDR memaddr, int len);
extern ULONGEST get_frame_memory_unsigned (struct frame_info *this_frame,
/* Same as above, but return non-zero when the entire memory read
succeeds, zero otherwize. */
extern int safe_frame_unwind_memory (struct frame_info *this_frame,
- CORE_ADDR addr, void *buf, int len);
+ CORE_ADDR addr, gdb_byte *buf, int len);
/* Return this frame's architecture. */
#define FRAME_OBSTACK_ZALLOC(TYPE) ((TYPE *) frame_obstack_zalloc (sizeof (TYPE)))
#define FRAME_OBSTACK_CALLOC(NUMBER,TYPE) ((TYPE *) frame_obstack_zalloc ((NUMBER) * sizeof (TYPE)))
-/* If legacy_frame_chain_valid() returns zero it means that the given
- frame is the outermost one and has no caller.
-
- This method has been superseded by the per-architecture
- frame_unwind_pc() (returns 0 to indicate an invalid return address)
- and per-frame this_id() (returns a NULL frame ID to indicate an
- invalid frame). */
-extern int legacy_frame_chain_valid (CORE_ADDR, struct frame_info *);
-
-extern void generic_save_dummy_frame_tos (CORE_ADDR sp);
+/* Create a regcache, and copy the frame's registers into it. */
+struct regcache *frame_save_as_regcache (struct frame_info *this_frame);
extern struct block *get_frame_block (struct frame_info *,
CORE_ADDR *addr_in_block);
extern CORE_ADDR get_pc_function_start (CORE_ADDR);
-extern int legacy_frameless_look_for_prologue (struct frame_info *);
-
extern struct frame_info *find_relative_frame (struct frame_info *, int *);
extern void show_and_print_stack_frame (struct frame_info *fi, int print_level,
extern struct frame_info *block_innermost_frame (struct block *);
-/* NOTE: cagney/2002-09-13: There is no need for this function. */
-extern CORE_ADDR deprecated_read_register_dummy (CORE_ADDR pc,
- CORE_ADDR fp, int);
-extern void generic_push_dummy_frame (void);
-extern void deprecated_pop_dummy_frame (void);
-
extern int deprecated_pc_in_call_dummy (CORE_ADDR pc);
-/* NOTE: cagney/2002-06-26: Targets should no longer use this
- function. Instead, the contents of a dummy frame register can be
- obtained by applying: frame_register_unwind to the dummy frame; or
- frame_register_unwind() to the next outer frame. */
-
-extern char *deprecated_generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp);
-
-
-extern void generic_save_call_dummy_addr (CORE_ADDR lo, CORE_ADDR hi);
-
/* FIXME: cagney/2003-02-02: Should be deprecated or replaced with a
function called get_frame_register_p(). This slightly weird (and
older) variant of get_frame_register() returns zero (indicating the
isn't available (it could have been fetched from memory). */
extern int frame_register_read (struct frame_info *frame, int regnum,
- void *buf);
+ gdb_byte *buf);
/* From stack.c. */
extern void args_info (char *, int);
extern struct frame_info *create_new_frame (CORE_ADDR base, CORE_ADDR pc);
-
-/* Create/access the frame's `extra info'. The extra info is used by
- older code to store information such as the analyzed prologue. The
- zalloc() should only be called by the INIT_EXTRA_INFO method. */
-
-extern struct frame_extra_info *frame_extra_info_zalloc (struct frame_info *fi,
- long size);
-extern struct frame_extra_info *get_frame_extra_info (struct frame_info *fi);
-
-/* Create/access the frame's `saved_regs'. The saved regs are used by
- older code to store the address of each register (except for
- SP_REGNUM where the value of the register in the previous frame is
- stored). */
-extern CORE_ADDR *frame_saved_regs_zalloc (struct frame_info *);
-extern CORE_ADDR *deprecated_get_frame_saved_regs (struct frame_info *);
-
/* FIXME: cagney/2002-12-06: Has the PC in the current frame changed?
"infrun.c", Thanks to DECR_PC_AFTER_BREAK, can change the PC after
the initial frame create. This puts things back in sync.
/* FIXME: cagney/2002-12-18: Has the frame's base changed? Or to be
more exact, was that initial guess at the frame's base as returned
- by deprecated_read_fp() wrong? If it was, fix it. This shouldn't
+ by the deleted read_fp() wrong? If it was, fix it. This shouldn't
be necessary since the code should be getting the frame's base
correct from the outset.
extern void deprecated_update_frame_base_hack (struct frame_info *frame,
CORE_ADDR base);
-/* FIXME: cagney/2003-01-05: Allocate a frame, along with the
- saved_regs and extra_info. Set up cleanups for all three. Same as
- for deprecated_frame_xmalloc, targets are calling this when
- creating a scratch `struct frame_info'. The frame overhaul makes
- this unnecessary since all frame queries are parameterized with a
- common cache parameter and a frame. */
-extern struct frame_info *deprecated_frame_xmalloc_with_cleanup (long sizeof_saved_regs,
- long sizeof_extra_info);
-
-/* Return non-zero if the architecture is relying on legacy frame
- code. */
-extern int legacy_frame_p (struct gdbarch *gdbarch);
-
#endif /* !defined (FRAME_H) */