1/* Fetch live process Dwfl_Frame from PID.
2   Copyright (C) 2013, 2014 Red Hat, Inc.
3   This file is part of elfutils.
4
5   This file is free software; you can redistribute it and/or modify
6   it under the terms of either
7
8     * the GNU Lesser General Public License as published by the Free
9       Software Foundation; either version 3 of the License, or (at
10       your option) any later version
11
12   or
13
14     * the GNU General Public License as published by the Free
15       Software Foundation; either version 2 of the License, or (at
16       your option) any later version
17
18   or both in parallel, as here.
19
20   elfutils is distributed in the hope that it will be useful, but
21   WITHOUT ANY WARRANTY; without even the implied warranty of
22   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23   General Public License for more details.
24
25   You should have received copies of the GNU General Public License and
26   the GNU Lesser General Public License along with this program.  If
27   not, see <http://www.gnu.org/licenses/>.  */
28
29#ifdef HAVE_CONFIG_H
30# include <config.h>
31#endif
32
33#include <libeblP.h>
34#include <assert.h>
35
36bool
37ebl_set_initial_registers_tid (Ebl *ebl, pid_t tid,
38			       ebl_tid_registers_t *setfunc,
39			       void *arg)
40{
41  /* Otherwise caller could not allocate THREAD frame of proper size.
42     If set_initial_registers_tid is unsupported then FRAME_NREGS is zero.  */
43  assert (ebl->set_initial_registers_tid != NULL);
44  return ebl->set_initial_registers_tid (tid, setfunc, arg);
45}
46
47size_t
48ebl_frame_nregs (Ebl *ebl)
49{
50  return ebl == NULL ? 0 : ebl->frame_nregs;
51}
52
53GElf_Addr
54ebl_func_addr_mask (Ebl *ebl)
55{
56  return ((ebl == NULL || ebl->func_addr_mask == 0)
57	  ? ~(GElf_Addr)0 : ebl->func_addr_mask);
58}
59