Branch data Line data Source code
1 : : /* Fetch live process registers from TID.
2 : : This file is part of elfutils.
3 : :
4 : : This file is free software; you can redistribute it and/or modify
5 : : it under the terms of either
6 : :
7 : : * the GNU Lesser General Public License as published by the Free
8 : : Software Foundation; either version 3 of the License, or (at
9 : : your option) any later version
10 : :
11 : : or
12 : :
13 : : * the GNU General Public License as published by the Free
14 : : Software Foundation; either version 2 of the License, or (at
15 : : your option) any later version
16 : :
17 : : or both in parallel, as here.
18 : :
19 : : elfutils is distributed in the hope that it will be useful, but
20 : : WITHOUT ANY WARRANTY; without even the implied warranty of
21 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 : : General Public License for more details.
23 : :
24 : : You should have received copies of the GNU General Public License and
25 : : the GNU Lesser General Public License along with this program. If
26 : : not, see <http://www.gnu.org/licenses/>. */
27 : :
28 : : #ifdef HAVE_CONFIG_H
29 : : # include <config.h>
30 : : #endif
31 : :
32 : : #if defined __m68k__ && defined __linux__
33 : : # include <sys/types.h>
34 : : # include <sys/user.h>
35 : : # include <sys/ptrace.h>
36 : : #endif
37 : :
38 : : #define BACKEND m68k_
39 : : #include "libebl_CPU.h"
40 : :
41 : : bool
42 : 0 : m68k_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
43 : : ebl_tid_registers_t *setfunc __attribute__ ((unused)),
44 : : void *arg __attribute__ ((unused)))
45 : : {
46 : : #if !defined __m68k__ || !defined __linux__
47 : 0 : return false;
48 : : #else /* __m68k__ */
49 : : struct user_regs_struct user_regs;
50 : : if (ptrace (PTRACE_GETREGS, tid, NULL, &user_regs) != 0)
51 : : return false;
52 : :
53 : : Dwarf_Word dwarf_regs[16];
54 : : dwarf_regs[0] = user_regs.d0;
55 : : dwarf_regs[1] = user_regs.d1;
56 : : dwarf_regs[2] = user_regs.d2;
57 : : dwarf_regs[3] = user_regs.d3;
58 : : dwarf_regs[4] = user_regs.d4;
59 : : dwarf_regs[5] = user_regs.d5;
60 : : dwarf_regs[6] = user_regs.d6;
61 : : dwarf_regs[7] = user_regs.d7;
62 : : dwarf_regs[8] = user_regs.a0;
63 : : dwarf_regs[9] = user_regs.a1;
64 : : dwarf_regs[10] = user_regs.a2;
65 : : dwarf_regs[11] = user_regs.a3;
66 : : dwarf_regs[12] = user_regs.a4;
67 : : dwarf_regs[13] = user_regs.a5;
68 : : dwarf_regs[14] = user_regs.a6;
69 : : dwarf_regs[15] = user_regs.usp;
70 : :
71 : : /* D0..D7, A0..A7. */
72 : : if (! setfunc (0, 16, dwarf_regs, arg))
73 : : return false;
74 : :
75 : : /* PC. */
76 : : dwarf_regs[0] = user_regs.pc;
77 : : if (! setfunc (24, 1, dwarf_regs, arg))
78 : : return false;
79 : :
80 : : return true;
81 : : #endif /* __m68k__ */
82 : : }
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