/* Code dealing with dummy 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, 2003, 2004 Free
- Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 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,
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"
/* Function: deprecated_pc_in_call_dummy (pc)
Return non-zero if the PC falls in a dummy frame created by gdb for
- an inferior call. The code below which allows DECR_PC_AFTER_BREAK
+ an inferior call. The code below which allows gdbarch_decr_pc_after_break
is for infrun.c, which may give the function a PC without that
subtracted out.
dummyframe = dummyframe->next)
{
if ((pc >= dummyframe->id.code_addr)
- && (pc <= dummyframe->id.code_addr + DECR_PC_AFTER_BREAK))
+ && (pc <= dummyframe->id.code_addr
+ + gdbarch_decr_pc_after_break (current_gdbarch)))
return 1;
}
return 0;
dummy_frame_push (struct regcache *caller_regcache,
const struct frame_id *dummy_id)
{
+ struct gdbarch *gdbarch = get_regcache_arch (caller_regcache);
struct dummy_frame *dummy_frame;
/* Check to see if there are stale dummy frames, perhaps left over
dummy_frame = dummy_frame_stack;
while (dummy_frame)
/* FIXME: cagney/2004-08-02: Should just test IDs. */
- if (frame_id_inner (dummy_frame->id, (*dummy_id)))
+ if (frame_id_inner (gdbarch, dummy_frame->id, (*dummy_id)))
/* Stale -- destroy! */
{
dummy_frame_stack = dummy_frame->next;
entry point, or some random address on the stack. Trying to use
that PC to apply standard frame ID unwind techniques is just
asking for trouble. */
- /* Use an architecture specific method to extract the prev's dummy
- ID from the next frame. Note that this method uses
- frame_register_unwind to obtain the register values needed to
- determine the dummy frame's ID. */
- this_id = gdbarch_unwind_dummy_id (get_frame_arch (next_frame), next_frame);
-
- /* Use that ID to find the corresponding cache entry. */
- for (dummyframe = dummy_frame_stack;
- dummyframe != NULL;
- dummyframe = dummyframe->next)
+
+ /* Don't bother unles there is at least one dummy frame. */
+ if (dummy_frame_stack != NULL)
{
- if (frame_id_eq (dummyframe->id, this_id))
+ /* Use an architecture specific method to extract the prev's
+ dummy ID from the next frame. Note that this method uses
+ frame_register_unwind to obtain the register values needed to
+ determine the dummy frame's ID. */
+ this_id = gdbarch_unwind_dummy_id (get_frame_arch (next_frame),
+ next_frame);
+
+ /* Use that ID to find the corresponding cache entry. */
+ for (dummyframe = dummy_frame_stack;
+ dummyframe != NULL;
+ dummyframe = dummyframe->next)
{
- struct dummy_frame_cache *cache;
- cache = FRAME_OBSTACK_ZALLOC (struct dummy_frame_cache);
- cache->prev_regcache = dummyframe->regcache;
- cache->this_id = this_id;
- (*this_prologue_cache) = cache;
- return 1;
+ if (frame_id_eq (dummyframe->id, this_id))
+ {
+ struct dummy_frame_cache *cache;
+ cache = FRAME_OBSTACK_ZALLOC (struct dummy_frame_cache);
+ cache->prev_regcache = dummyframe->regcache;
+ cache->this_id = this_id;
+ (*this_prologue_cache) = cache;
+ return 1;
+ }
}
}
return 0;
void **this_prologue_cache,
int regnum, int *optimized,
enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnum, void *bufferp)
+ int *realnum, gdb_byte *bufferp)
{
/* The dummy-frame sniffer always fills in the cache. */
struct dummy_frame_cache *cache = (*this_prologue_cache);
_initialize_dummy_frame (void)
{
add_cmd ("dummy-frames", class_maintenance, maintenance_print_dummy_frames,
- "Print the contents of the internal dummy-frame stack.",
+ _("Print the contents of the internal dummy-frame stack."),
&maintenanceprintlist);
}